vendor: make vendor-update

See https://www.alpinelinux.org/posts/Alpine-3.18.0-released.html

.github/workflows/check-licenses.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@main
         with:
-          go-version: 1.17
+          go-version: 1.20.4
         id: go
       - name: Code checkout
         uses: actions/checkout@master

.github/workflows/codeql-analysis.yml

@@ -1,70 +0,0 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
-name: "CodeQL"
-
-on:
-  push:
-    branches: [ master, cluster ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master, cluster ]
-  schedule:
-    - cron: '30 18 * * 2'
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'go', 'javascript' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
-        # Learn more about CodeQL language support at https://git.io/codeql-language-support
-
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3
-
-    # Initializes the CodeQL tools for scanning.
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
-      with:
-        languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
-
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
-    # If this step fails, then you should remove it and run the build manually (see below)
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
-
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 https://git.io/JvXDl
-
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
-
-    #- run: |
-    #   make bootstrap
-    #   make release
-
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2

.github/workflows/main.yml

@@ -1,47 +0,0 @@
-name: main
-on:
-  push:
-    paths-ignore:
-      - 'docs/**'
-      - '**.md'
-  pull_request:
-    paths-ignore:
-      - 'docs/**'
-      - '**.md'
-permissions:
-  contents: read
-
-jobs:
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    steps:
-      - name: Setup Go
-        uses: actions/setup-go@main
-        with:
-          go-version: 1.17
-        id: go
-      - name: Code checkout
-        uses: actions/checkout@master
-      - name: Dependencies
-        run: |
-          make install-golint
-          make install-errcheck
-          make install-golangci-lint
-      - name: Build
-        env:
-          GO111MODULE: on
-        run: |
-          export PATH=$PATH:$(go env GOPATH)/bin # temporary fix. See https://github.com/actions/setup-go/issues/14
-          make check-all
-          git diff --exit-code
-          make test-full
-          make test-pure
-          make test-full-386
-          make victoria-metrics-crossbuild
-          make vmuitils-crossbuild
-      - name: Publish coverage
-        uses: codecov/codecov-action@v3
-        with:
-          file: ./coverage.txt
-

.golangci.yml

@@ -0,0 +1,15 @@
+run:
+  timeout: 2m
+
+enable:
+  - revive
+
+issues:
+  exclude-rules:
+    - linters:
+      - staticcheck
+      text: "SA(4003|1019|5011):"
+
+linters-settings:
+  errcheck:
+    exclude: ./errcheck_excludes.txt

Makefile

@@ -16,6 +16,7 @@ GO_BUILDINFO = -X '$(PKG_PREFIX)/lib/buildinfo.Version=$(APP_NAME)-$(DATEINFO_TA
 include app/*/Makefile
 include deployment/*/Makefile
 include snap/local/Makefile
+include package/release/Makefile
 
 all: \
 	victoria-metrics-prod \
@@ -313,29 +314,7 @@ vet:
 	go vet -mod=vendor ./lib/...
 	go vet -mod=vendor ./app/...
 
-lint: install-golint
-	golint lib/...
-	golint app/...
-
-install-golint:
-	which golint || GO111MODULE=off go get golang.org/x/lint/golint
-
-errcheck: install-errcheck
-	errcheck -exclude=errcheck_excludes.txt ./lib/...
-	errcheck -exclude=errcheck_excludes.txt ./app/vminsert/...
-	errcheck -exclude=errcheck_excludes.txt ./app/vmselect/...
-	errcheck -exclude=errcheck_excludes.txt ./app/vmstorage/...
-	errcheck -exclude=errcheck_excludes.txt ./app/vmagent/...
-	errcheck -exclude=errcheck_excludes.txt ./app/vmalert/...
-	errcheck -exclude=errcheck_excludes.txt ./app/vmauth/...
-	errcheck -exclude=errcheck_excludes.txt ./app/vmbackup/...
-	errcheck -exclude=errcheck_excludes.txt ./app/vmrestore/...
-	errcheck -exclude=errcheck_excludes.txt ./app/vmctl/...
-
-install-errcheck:
-	which errcheck || GO111MODULE=off go get github.com/kisielk/errcheck
-
-check-all: fmt vet lint errcheck golangci-lint
+check-all: fmt vet golangci-lint
 
 test:
 	go test -mod=vendor ./lib/... ./app/...
@@ -386,10 +365,10 @@ install-qtc:
 
 
 golangci-lint: install-golangci-lint
-	golangci-lint run --exclude '(SA4003|SA1019|SA5011):' -D errcheck -D structcheck --timeout 2m
+	golangci-lint run
 
 install-golangci-lint:
-	which golangci-lint || curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(shell go env GOPATH)/bin v1.46.2
+	which golangci-lint || curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(shell go env GOPATH)/bin v1.51.2
 
 install-wwhrd:
 	which wwhrd || GO111MODULE=off go get github.com/frapposelli/wwhrd

README.md

@@ -729,7 +729,7 @@ to your needs or when testing bugfixes.
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make victoria-metrics` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `victoria-metrics` binary and puts it into the `bin` folder.
 
@@ -745,7 +745,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 ### Development ARM build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make victoria-metrics-linux-arm` or `make victoria-metrics-linux-arm64` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `victoria-metrics-linux-arm` or `victoria-metrics-linux-arm64` binary respectively and puts it into the `bin` folder.
 
@@ -759,7 +759,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 `Pure Go` mode builds only Go code without [cgo](https://golang.org/cmd/cgo/) dependencies.
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make victoria-metrics-pure` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `victoria-metrics-pure` binary and puts it into the `bin` folder.
 

app/victoria-metrics/self_scraper.go

@@ -85,7 +85,9 @@ func selfScraper(scrapeInterval time.Duration) {
 			mr.Timestamp = currentTimestamp
 			mr.Value = r.Value
 		}
-		vmstorage.AddRows(mrs)
+		if err := vmstorage.AddRows(mrs); err != nil {
+			logger.Errorf("cannot store self-scraped metrics: %s", err)
+		}
 	}
 }
 

app/vmagent/README.md

@@ -789,7 +789,7 @@ We recommend using [binary releases](https://github.com/VictoriaMetrics/Victoria
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmagent` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds the `vmagent` binary and puts it into the `bin` folder.
 
@@ -818,7 +818,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 ### Development ARM build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmagent-linux-arm` or `make vmagent-linux-arm64` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics)
    It builds `vmagent-linux-arm` or `vmagent-linux-arm64` binary respectively and puts it into the `bin` folder.
 

app/vmagent/remotewrite/client.go

@@ -56,10 +56,12 @@ var (
 
 	awsUseSigv4 = flagutil.NewArrayBool("remoteWrite.aws.useSigv4", "Enables SigV4 request signing for the corresponding -remoteWrite.url. "+
 		"It is expected that other -remoteWrite.aws.* command-line flags are set if sigv4 request signing is enabled")
-	awsRegion    = flagutil.NewArray("remoteWrite.aws.region", "Optional AWS region to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set")
-	awsRoleARN   = flagutil.NewArray("remoteWrite.aws.roleARN", "Optional AWS roleARN to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set")
-	awsAccessKey = flagutil.NewArray("remoteWrite.aws.accessKey", "Optional AWS AccessKey to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set")
-	awsService   = flagutil.NewArray("remoteWrite.aws.service", "Optional AWS Service to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set. "+
+	awsEC2Endpoint = flagutil.NewArray("remoteWrite.aws.ec2Endpoint", "Optional AWS EC2 API endpoint to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set")
+	awsSTSEndpoint = flagutil.NewArray("remoteWrite.aws.stsEndpoint", "Optional AWS STS API endpoint to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set")
+	awsRegion      = flagutil.NewArray("remoteWrite.aws.region", "Optional AWS region to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set")
+	awsRoleARN     = flagutil.NewArray("remoteWrite.aws.roleARN", "Optional AWS roleARN to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set")
+	awsAccessKey   = flagutil.NewArray("remoteWrite.aws.accessKey", "Optional AWS AccessKey to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set")
+	awsService     = flagutil.NewArray("remoteWrite.aws.service", "Optional AWS Service to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set. "+
 		"Defaults to \"aps\"")
 	awsSecretKey = flagutil.NewArray("remoteWrite.aws.secretKey", "Optional AWS SecretKey to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set")
 )
@@ -154,6 +156,9 @@ func (c *client) init(argIdx, concurrency int, sanitizedURL string) {
 	c.packetsDropped = metrics.GetOrCreateCounter(fmt.Sprintf(`vmagent_remotewrite_packets_dropped_total{url=%q}`, c.sanitizedURL))
 	c.retriesCount = metrics.GetOrCreateCounter(fmt.Sprintf(`vmagent_remotewrite_retries_count_total{url=%q}`, c.sanitizedURL))
 	c.sendDuration = metrics.GetOrCreateFloatCounter(fmt.Sprintf(`vmagent_remotewrite_send_duration_seconds_total{url=%q}`, c.sanitizedURL))
+	metrics.GetOrCreateGauge(fmt.Sprintf(`vmagent_remotewrite_queues{url=%q}`, c.sanitizedURL), func() float64 {
+		return float64(*queues)
+	})
 	for i := 0; i < concurrency; i++ {
 		c.wg.Add(1)
 		go func() {
@@ -231,12 +236,14 @@ func getAWSAPIConfig(argIdx int) (*awsapi.Config, error) {
 	if !awsUseSigv4.GetOptionalArg(argIdx) {
 		return nil, nil
 	}
+	ec2Endpoint := awsEC2Endpoint.GetOptionalArg(argIdx)
+	stsEndpoint := awsSTSEndpoint.GetOptionalArg(argIdx)
 	region := awsRegion.GetOptionalArg(argIdx)
 	roleARN := awsRoleARN.GetOptionalArg(argIdx)
 	accessKey := awsAccessKey.GetOptionalArg(argIdx)
 	secretKey := awsSecretKey.GetOptionalArg(argIdx)
 	service := awsService.GetOptionalArg(argIdx)
-	cfg, err := awsapi.NewConfig(region, roleARN, accessKey, secretKey, service)
+	cfg, err := awsapi.NewConfig(ec2Endpoint, stsEndpoint, region, roleARN, accessKey, secretKey, service)
 	if err != nil {
 		return nil, err
 	}

app/vmagent/remotewrite/pendingseries.go

@@ -195,7 +195,7 @@ func pushWriteRequest(wr *prompbmarshal.WriteRequest, pushBlock func(block []byt
 	}
 	bb := writeRequestBufPool.Get()
 	bb.B = prompbmarshal.MarshalWriteRequest(bb.B[:0], wr)
-	if len(bb.B) <= maxUnpackedBlockSize.N {
+	if len(bb.B) <= maxUnpackedBlockSize.IntN() {
 		zb := snappyBufPool.Get()
 		zb.B = snappy.Encode(zb.B[:cap(zb.B)], bb.B)
 		writeRequestBufPool.Put(bb)

app/vmalert/README.md

@@ -637,11 +637,13 @@ The shortlist of configuration flags is the following:
   -datasource.oauth2.tokenUrl string
      Optional OAuth2 tokenURL to use for -datasource.url.
   -datasource.queryStep duration
-     queryStep defines how far a value can fallback to when evaluating queries. For example, if datasource.queryStep=15s then param "step" with value "15s" will be added to every query.If queryStep isn't specified, rule's evaluationInterval will be used instead.
+     How far a value can fallback to when evaluating queries. For example, if -datasource.queryStep=15s then param "step" with value "15s" will be added to every query. If set to 0, rule's evaluation interval will be used instead. (default 5m0s)
   -datasource.queryTimeAlignment
      Whether to align "time" parameter with evaluation interval.Alignment supposed to produce deterministic results despite of number of vmalert replicas or time they were started. See more details here https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1257 (default true)
   -datasource.roundDigits int
      Adds "round_digits" GET param to datasource requests. In VM "round_digits" limits the number of digits after the decimal point in response values.
+  -datasource.showURL
+     Whether to show -datasource.url in the exported metrics. It is hidden by default, since it can contain sensitive info such as auth key
   -datasource.tlsCAFile string
      Optional path to TLS CA file to use for verifying connections to -datasource.url. By default, system CA is used
   -datasource.tlsCertFile string
@@ -653,7 +655,7 @@ The shortlist of configuration flags is the following:
   -datasource.tlsServerName string
      Optional TLS server name to use for connections to -datasource.url. By default, the server name from -datasource.url is used
   -datasource.url string
-     VictoriaMetrics or vmselect url. Required parameter. E.g. http://127.0.0.1:8428 . See also -remoteRead.disablePathAppend
+     Datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect URL. Required parameter. E.g. http://127.0.0.1:8428 . See also '-datasource.disablePathAppend', '-datasource.showURL'.
   -defaultTenant.graphite string
      Default tenant for Graphite alerting groups. See https://docs.victoriametrics.com/vmalert.html#multitenancy
   -defaultTenant.prometheus string
@@ -673,8 +675,8 @@ The shortlist of configuration flags is the following:
   -evaluationInterval duration
      How often to evaluate the rules (default 1m0s)
   -external.alert.source string
-     External Alert Source allows to override the Source link for alerts sent to AlertManager for cases where you want to build a custom link to Grafana, Prometheus or any other service.
-     eg. 'explore?orgId=1&left=[\"now-1h\",\"now\",\"VictoriaMetrics\",{\"expr\": \"{{$expr|quotesEscape|crlfEscape|queryEscape}}\"},{\"mode\":\"Metrics\"},{\"ui\":[true,true,true,\"none\"]}]'.If empty '/vmalert/api/v1/alert?group_id=&alert_id=' is used
+     External Alert Source allows to override the Source link for alerts sent to AlertManager for cases where you want to build a custom link to Grafana, Prometheus or any other service. Supports templating - see https://docs.victoriametrics.com/vmalert.html#templating . For example, link to Grafana: -external.alert.source='explore?orgId=1&left=["now-1h","now","VictoriaMetrics",{"expr":{{$expr|jsonEscape|queryEscape}} },{"mode":"Metrics"},{"ui":[true,true,true,"none"]}]' . If empty 'vmalert/alert?group_id={{.GroupID}}&alert_id={{.AlertID}}' is used
+     If empty 'vmalert/alert?group_id={{.GroupID}}&alert_id={{.AlertID}}' is used.
   -external.label array
      Optional label in the form 'Name=value' to add to all generated recording rules and alerts. Pass multiple -label flags in order to add multiple label sets.
      Supports an array of values separated by comma or specified via multiple flags.
@@ -813,6 +815,8 @@ The shortlist of configuration flags is the following:
      Optional OAuth2 scopes to use for -remoteRead.url. Scopes must be delimited by ';'.
   -remoteRead.oauth2.tokenUrl string
      Optional OAuth2 tokenURL to use for -remoteRead.url. 
+  -remoteRead.showURL
+     Whether to show -remoteRead.url in the exported metrics. It is hidden by default, since it can contain sensitive info such as auth key
   -remoteRead.tlsCAFile string
      Optional path to TLS CA file to use for verifying connections to -remoteRead.url. By default system CA is used
   -remoteRead.tlsCertFile string
@@ -824,7 +828,7 @@ The shortlist of configuration flags is the following:
   -remoteRead.tlsServerName string
      Optional TLS server name to use for connections to -remoteRead.url. By default the server name from -remoteRead.url is used
   -remoteRead.url vmalert
-     Optional URL to VictoriaMetrics or vmselect that will be used to restore alerts state. This configuration makes sense only if vmalert was configured with `remoteWrite.url` before and has been successfully persisted its state. E.g. http://127.0.0.1:8428. See also -remoteRead.disablePathAppend
+     Optional URL to datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect.Remote read is used to restore alerts state.This configuration makes sense only if vmalert was configured with `remoteWrite.url` before and has been successfully persisted its state. E.g. http://127.0.0.1:8428. See also '-remoteRead.disablePathAppend', '-remoteRead.showURL'.
   -remoteWrite.basicAuth.password string
      Optional basic auth password for -remoteWrite.url
   -remoteWrite.basicAuth.passwordFile string
@@ -855,6 +859,8 @@ The shortlist of configuration flags is the following:
      Optional OAuth2 scopes to use for -notifier.url. Scopes must be delimited by ';'.
   -remoteWrite.oauth2.tokenUrl string
      Optional OAuth2 tokenURL to use for -notifier.url.
+  -remoteWrite.showURL
+     Whether to show -remoteWrite.url in the exported metrics. It is hidden by default, since it can contain sensitive info such as auth key
   -remoteWrite.tlsCAFile string
      Optional path to TLS CA file to use for verifying connections to -remoteWrite.url. By default system CA is used
   -remoteWrite.tlsCertFile string
@@ -866,7 +872,7 @@ The shortlist of configuration flags is the following:
   -remoteWrite.tlsServerName string
      Optional TLS server name to use for connections to -remoteWrite.url. By default the server name from -remoteWrite.url is used
   -remoteWrite.url string
-     Optional URL to VictoriaMetrics or vminsert where to persist alerts state and recording rules results in form of timeseries. For example, if -remoteWrite.url=http://127.0.0.1:8428 is specified, then the alerts state will be written to http://127.0.0.1:8428/api/v1/write . See also -remoteWrite.disablePathAppend
+     Optional URL to VictoriaMetrics or vminsert where to persist alerts state and recording rules results in form of timeseries. For example, if -remoteWrite.url=http://127.0.0.1:8428 is specified, then the alerts state will be written to http://127.0.0.1:8428/api/v1/write . See also -remoteWrite.disablePathAppend, '-remoteWrite.showURL'.
   -replay.disableProgressBar
      Whether to disable rendering progress bars during the replay. Progress bar rendering might be verbose or break the logs parsing, so it is recommended to be disabled when not used in interactive mode.
   -replay.maxDatapointsPerQuery int
@@ -1084,7 +1090,7 @@ spec:
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmalert` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmalert` binary and puts it into the `bin` folder.
 
@@ -1100,7 +1106,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 ### Development ARM build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmalert-linux-arm` or `make vmalert-linux-arm64` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmalert-linux-arm` or `vmalert-linux-arm64` binary respectively and puts it into the `bin` folder.
 

app/vmalert/alerting.go

@@ -285,15 +285,11 @@ func (ar *AlertingRule) Exec(ctx context.Context, ts time.Time, limit int) ([]pr
 				a.State = notifier.StatePending
 				a.ActiveAt = ts
 			}
-			if a.Value != m.Values[0] {
-				// update Value field with latest value
-				a.Value = m.Values[0]
-				// and re-exec template since Value can be used
-				// in annotations
-				a.Annotations, err = a.ExecTemplate(qFn, ls.origin, ar.Annotations)
-				if err != nil {
-					return nil, err
-				}
+			a.Value = m.Values[0]
+			// re-exec template since Value or query can be used in annotations
+			a.Annotations, err = a.ExecTemplate(qFn, ls.origin, ar.Annotations)
+			if err != nil {
+				return nil, err
 			}
 			continue
 		}

app/vmalert/datasource/init.go

@@ -6,14 +6,18 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+	"time"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 )
 
 var (
-	addr = flag.String("datasource.url", "", "VictoriaMetrics or vmselect url. Required parameter. "+
-		"E.g. http://127.0.0.1:8428 . See also -remoteRead.disablePathAppend")
-	appendTypePrefix = flag.Bool("datasource.appendTypePrefix", false, "Whether to add type prefix to -datasource.url based on the query type. Set to true if sending different query types to the vmselect URL.")
+	addr = flag.String("datasource.url", "", "Datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect URL. Required parameter. "+
+		"E.g. http://127.0.0.1:8428 . See also '-datasource.disablePathAppend', '-datasource.showURL'.")
+	appendTypePrefix  = flag.Bool("datasource.appendTypePrefix", false, "Whether to add type prefix to -datasource.url based on the query type. Set to true if sending different query types to the vmselect URL.")
+	showDatasourceURL = flag.Bool("datasource.showURL", false, "Whether to show -datasource.url in the exported metrics. "+
+		"It is hidden by default, since it can contain sensitive info such as auth key")
 
 	basicAuthUsername     = flag.String("datasource.basicAuth.username", "", "Optional basic auth username for -datasource.url")
 	basicAuthPassword     = flag.String("datasource.basicAuth.password", "", "Optional basic auth password for -datasource.url")
@@ -35,9 +39,9 @@ var (
 	oauth2Scopes           = flag.String("datasource.oauth2.scopes", "", "Optional OAuth2 scopes to use for -datasource.url. Scopes must be delimited by ';'")
 
 	lookBack  = flag.Duration("datasource.lookback", 0, `Lookback defines how far into the past to look when evaluating queries. For example, if the datasource.lookback=5m then param "time" with value now()-5m will be added to every query.`)
-	queryStep = flag.Duration("datasource.queryStep", 0, "queryStep defines how far a value can fallback to when evaluating queries. "+
-		"For example, if datasource.queryStep=15s then param \"step\" with value \"15s\" will be added to every query."+
-		"If queryStep isn't specified, rule's evaluationInterval will be used instead.")
+	queryStep = flag.Duration("datasource.queryStep", 5*time.Minute, "How far a value can fallback to when evaluating queries. "+
+		"For example, if -datasource.queryStep=15s then param \"step\" with value \"15s\" will be added to every query. "+
+		"If set to 0, rule's evaluation interval will be used instead.")
 	queryTimeAlignment = flag.Bool("datasource.queryTimeAlignment", true, `Whether to align "time" parameter with evaluation interval.`+
 		"Alignment supposed to produce deterministic results despite of number of vmalert replicas or time they were started. See more details here https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1257")
 	maxIdleConnections = flag.Int("datasource.maxIdleConnections", 100, `Defines the number of idle (keep-alive connections) to each configured datasource. Consider setting this value equal to the value: groups_total * group.concurrency. Too low a value may result in a high number of sockets in TIME_WAIT state.`)
@@ -47,6 +51,13 @@ var (
 		`In VM "round_digits" limits the number of digits after the decimal point in response values.`)
 )
 
+// InitSecretFlags must be called after flag.Parse and before any logging
+func InitSecretFlags() {
+	if !*showDatasourceURL {
+		flagutil.RegisterSecretFlag("datasource.url")
+	}
+}
+
 // Param represents an HTTP GET param
 type Param struct {
 	Key, Value string

app/vmalert/datasource/vm_prom_api.go

@@ -149,6 +149,16 @@ func (s *VMStorage) setPrometheusInstantReqParams(r *http.Request, query string,
 		timestamp = timestamp.Truncate(s.evaluationInterval)
 	}
 	q.Set("time", fmt.Sprintf("%d", timestamp.Unix()))
+	if s.evaluationInterval > 0 { // set step as evaluationInterval by default
+		// always convert to seconds to keep compatibility with older
+		// Prometheus versions. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1943
+		q.Set("step", fmt.Sprintf("%ds", int(s.evaluationInterval.Seconds())))
+	}
+	if s.queryStep > 0 { // override step with user-specified value
+		// always convert to seconds to keep compatibility with older
+		// Prometheus versions. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1943
+		q.Set("step", fmt.Sprintf("%ds", int(s.queryStep.Seconds())))
+	}
 	r.URL.RawQuery = q.Encode()
 	s.setPrometheusReqParams(r, query)
 }
@@ -163,6 +173,11 @@ func (s *VMStorage) setPrometheusRangeReqParams(r *http.Request, query string, s
 	q := r.URL.Query()
 	q.Add("start", fmt.Sprintf("%d", start.Unix()))
 	q.Add("end", fmt.Sprintf("%d", end.Unix()))
+	if s.evaluationInterval > 0 { // set step as evaluationInterval by default
+		// always convert to seconds to keep compatibility with older
+		// Prometheus versions. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1943
+		q.Set("step", fmt.Sprintf("%ds", int(s.evaluationInterval.Seconds())))
+	}
 	r.URL.RawQuery = q.Encode()
 	s.setPrometheusReqParams(r, query)
 }
@@ -178,15 +193,5 @@ func (s *VMStorage) setPrometheusReqParams(r *http.Request, query string) {
 		}
 	}
 	q.Set("query", query)
-	if s.evaluationInterval > 0 { // set step as evaluationInterval by default
-		// always convert to seconds to keep compatibility with older
-		// Prometheus versions. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1943
-		q.Set("step", fmt.Sprintf("%ds", int(s.evaluationInterval.Seconds())))
-	}
-	if s.queryStep > 0 { // override step with user-specified value
-		// always convert to seconds to keep compatibility with older
-		// Prometheus versions. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1943
-		q.Set("step", fmt.Sprintf("%ds", int(s.queryStep.Seconds())))
-	}
 	r.URL.RawQuery = q.Encode()
 }

app/vmalert/datasource/vm_test.go

@@ -197,6 +197,10 @@ func TestVMRangeQuery(t *testing.T) {
 		if _, err := strconv.ParseInt(endTS, 10, 64); err != nil {
 			t.Errorf("failed to parse 'end' query param: %s", err)
 		}
+		step := r.URL.Query().Get("step")
+		if step != "15s" {
+			t.Errorf("expected 'step' query param to be 15s; got %q instead", step)
+		}
 		switch c {
 		case 0:
 			w.Write([]byte(`{"status":"success","data":{"resultType":"matrix","result":[{"metric":{"__name__":"vm_rows"},"values":[[1583786142,"13763"]]}]}}`))
@@ -210,7 +214,7 @@ func TestVMRangeQuery(t *testing.T) {
 	if err != nil {
 		t.Fatalf("unexpected: %s", err)
 	}
-	s := NewVMStorage(srv.URL, authCfg, time.Minute, 0, false, srv.Client())
+	s := NewVMStorage(srv.URL, authCfg, time.Minute, *queryStep, false, srv.Client())
 
 	p := NewPrometheusType()
 	pq := s.BuildWithParams(QuerierParams{DataSourceType: &p, EvaluationInterval: 15 * time.Second})

app/vmalert/group.go

@@ -412,20 +412,26 @@ func (e *executor) exec(ctx context.Context, rule Rule, ts time.Time, resolveDur
 		return fmt.Errorf("rule %q: failed to execute: %w", rule, err)
 	}
 
-	errGr := new(utils.ErrGroup)
 	if e.rw != nil {
-		pushToRW := func(tss []prompbmarshal.TimeSeries) {
+		pushToRW := func(tss []prompbmarshal.TimeSeries) error {
+			var lastErr error
 			for _, ts := range tss {
 				remoteWriteTotal.Inc()
 				if err := e.rw.Push(ts); err != nil {
 					remoteWriteErrors.Inc()
-					errGr.Add(fmt.Errorf("rule %q: remote write failure: %w", rule, err))
+					lastErr = fmt.Errorf("rule %q: remote write failure: %w", rule, err)
 				}
 			}
+			return lastErr
 		}
-		pushToRW(tss)
+		if err := pushToRW(tss); err != nil {
+			return err
+		}
+
 		staleSeries := e.getStaleSeries(rule, tss, ts)
-		pushToRW(staleSeries)
+		if err := pushToRW(staleSeries); err != nil {
+			return err
+		}
 	}
 
 	ar, ok := rule.(*AlertingRule)
@@ -439,6 +445,7 @@ func (e *executor) exec(ctx context.Context, rule Rule, ts time.Time, resolveDur
 	}
 
 	wg := sync.WaitGroup{}
+	errGr := new(utils.ErrGroup)
 	for _, nt := range e.notifiers() {
 		wg.Add(1)
 		go func(nt notifier.Notifier) {

app/vmalert/group_test.go

@@ -3,8 +3,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/decimal"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 	"reflect"
 	"sort"
 	"testing"
@@ -12,6 +10,9 @@ import (
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/config"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/notifier"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/remotewrite"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/decimal"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 )
 
@@ -452,3 +453,23 @@ func TestFaultyNotifier(t *testing.T) {
 	}
 	t.Fatalf("alive notifier didn't receive notification by %v", deadline)
 }
+
+func TestFaultyRW(t *testing.T) {
+	fq := &fakeQuerier{}
+	fq.add(metricWithValueAndLabels(t, 1, "__name__", "foo", "job", "bar"))
+
+	r := &RecordingRule{
+		Name: "test",
+		q:    fq,
+	}
+
+	e := &executor{
+		rw:                       &remotewrite.Client{},
+		previouslySentSeriesToRW: make(map[uint64]map[string][]prompbmarshal.Label),
+	}
+
+	err := e.exec(context.Background(), r, time.Now(), 0, 10)
+	if err == nil {
+		t.Fatalf("expected to get an error from faulty RW client, got nil instead")
+	}
+}

app/vmalert/main.go

@@ -58,8 +58,11 @@ absolute path to all .tpl files in root.`)
 	resendDelay = flag.Duration("rule.resendDelay", 0, "Minimum amount of time to wait before resending an alert to notifier")
 
 	externalURL         = flag.String("external.url", "", "External URL is used as alert's source for sent alerts to the notifier")
-	externalAlertSource = flag.String("external.alert.source", "", `External Alert Source allows to override the Source link for alerts sent to AlertManager for cases where you want to build a custom link to Grafana, Prometheus or any other service.
-eg. 'explore?orgId=1&left=[\"now-1h\",\"now\",\"VictoriaMetrics\",{\"expr\": \"{{$expr|quotesEscape|crlfEscape|queryEscape}}\"},{\"mode\":\"Metrics\"},{\"ui\":[true,true,true,\"none\"]}]'.If empty '/vmalert/api/v1/alert?group_id=&alert_id=' is used`)
+	externalAlertSource = flag.String("external.alert.source", "", `External Alert Source allows to override the Source link for alerts sent to AlertManager `+
+		`for cases where you want to build a custom link to Grafana, Prometheus or any other service. `+
+		`Supports templating - see https://docs.victoriametrics.com/vmalert.html#templating . `+
+		`For example, link to Grafana: -external.alert.source='explore?orgId=1&left=["now-1h","now","VictoriaMetrics",{"expr":{{$expr|jsonEscape|queryEscape}} },{"mode":"Metrics"},{"ui":[true,true,true,"none"]}]' . `+
+		`If empty 'vmalert/alert?group_id={{.GroupID}}&alert_id={{.AlertID}}' is used.`)
 	externalLabels = flagutil.NewArray("external.label", "Optional label in the form 'Name=value' to add to all generated recording rules and alerts. "+
 		"Pass multiple -label flags in order to add multiple label sets.")
 
@@ -79,6 +82,9 @@ func main() {
 	flag.CommandLine.SetOutput(os.Stdout)
 	flag.Usage = usage
 	envflag.Parse()
+	remoteread.InitSecretFlags()
+	remotewrite.InitSecretFlags()
+	datasource.InitSecretFlags()
 	buildinfo.Init()
 	logger.Init()
 	err := templates.Load(*ruleTemplatesPath, true)

app/vmalert/notifier/alert_test.go

@@ -66,15 +66,21 @@ func TestAlert_ExecTemplate(t *testing.T) {
 		{
 			name: "expression-template",
 			alert: &Alert{
-				Expr: `vm_rows{"label"="bar"}>0`,
+				Expr: `vm_rows{"label"="bar"}<0`,
 			},
 			annotations: map[string]string{
-				"exprEscapedQuery": "{{ $expr|quotesEscape|queryEscape }}",
-				"exprEscapedPath":  "{{ $expr|quotesEscape|pathEscape }}",
+				"exprEscapedQuery":  "{{ $expr|queryEscape }}",
+				"exprEscapedPath":   "{{ $expr|pathEscape }}",
+				"exprEscapedJSON":   "{{ $expr|jsonEscape }}",
+				"exprEscapedQuotes": "{{ $expr|quotesEscape }}",
+				"exprEscapedHTML":   "{{ $expr|htmlEscape }}",
 			},
 			expTpl: map[string]string{
-				"exprEscapedQuery": "vm_rows%7B%5C%22label%5C%22%3D%5C%22bar%5C%22%7D%3E0",
-				"exprEscapedPath":  "vm_rows%7B%5C%22label%5C%22=%5C%22bar%5C%22%7D%3E0",
+				"exprEscapedQuery":  "vm_rows%7B%22label%22%3D%22bar%22%7D%3C0",
+				"exprEscapedPath":   "vm_rows%7B%22label%22=%22bar%22%7D%3C0",
+				"exprEscapedJSON":   `"vm_rows{\"label\"=\"bar\"}\u003c0"`,
+				"exprEscapedQuotes": `vm_rows{\"label\"=\"bar\"}\u003c0`,
+				"exprEscapedHTML":   "vm_rows{&quot;label&quot;=&quot;bar&quot;}&lt;0",
 			},
 		},
 		{

app/vmalert/remoteread/init.go

@@ -7,12 +7,17 @@ import (
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/datasource"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 )
 
 var (
-	addr = flag.String("remoteRead.url", "", "Optional URL to VictoriaMetrics or vmselect that will be used to restore alerts "+
-		"state. This configuration makes sense only if `vmalert` was configured with `remoteWrite.url` before and has been successfully persisted its state. "+
-		"E.g. http://127.0.0.1:8428. See also -remoteRead.disablePathAppend")
+	addr = flag.String("remoteRead.url", "", "Optional URL to datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect."+
+		"Remote read is used to restore alerts state."+
+		"This configuration makes sense only if `vmalert` was configured with `remoteWrite.url` before and has been successfully persisted its state. "+
+		"E.g. http://127.0.0.1:8428. See also '-remoteRead.disablePathAppend', '-remoteRead.showURL'.")
+
+	showRemoteReadURL = flag.Bool("remoteRead.showURL", false, "Whether to show -remoteRead.url in the exported metrics. "+
+		"It is hidden by default, since it can contain sensitive info such as auth key")
 
 	basicAuthUsername     = flag.String("remoteRead.basicAuth.username", "", "Optional basic auth username for -remoteRead.url")
 	basicAuthPassword     = flag.String("remoteRead.basicAuth.password", "", "Optional basic auth password for -remoteRead.url")
@@ -36,6 +41,13 @@ var (
 	oauth2Scopes           = flag.String("remoteRead.oauth2.scopes", "", "Optional OAuth2 scopes to use for -remoteRead.url. Scopes must be delimited by ';'.")
 )
 
+// InitSecretFlags must be called after flag.Parse and before any logging
+func InitSecretFlags() {
+	if !*showRemoteReadURL {
+		flagutil.RegisterSecretFlag("remoteRead.url")
+	}
+}
+
 // Init creates a Querier from provided flag values.
 // Returns nil if addr flag wasn't set.
 func Init() (datasource.QuerierBuilder, error) {

app/vmalert/remotewrite/init.go

@@ -7,12 +7,15 @@ import (
 	"time"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 )
 
 var (
 	addr = flag.String("remoteWrite.url", "", "Optional URL to VictoriaMetrics or vminsert where to persist alerts state "+
 		"and recording rules results in form of timeseries. For example, if -remoteWrite.url=http://127.0.0.1:8428 is specified, "+
-		"then the alerts state will be written to http://127.0.0.1:8428/api/v1/write . See also -remoteWrite.disablePathAppend")
+		"then the alerts state will be written to http://127.0.0.1:8428/api/v1/write . See also -remoteWrite.disablePathAppend, '-remoteWrite.showURL'.")
+	showRemoteWriteURL = flag.Bool("remoteWrite.showURL", false, "Whether to show -remoteWrite.url in the exported metrics. "+
+		"It is hidden by default, since it can contain sensitive info such as auth key")
 
 	basicAuthUsername     = flag.String("remoteWrite.basicAuth.username", "", "Optional basic auth username for -remoteWrite.url")
 	basicAuthPassword     = flag.String("remoteWrite.basicAuth.password", "", "Optional basic auth password for -remoteWrite.url")
@@ -41,6 +44,13 @@ var (
 	oauth2Scopes           = flag.String("remoteWrite.oauth2.scopes", "", "Optional OAuth2 scopes to use for -notifier.url. Scopes must be delimited by ';'.")
 )
 
+// InitSecretFlags must be called after flag.Parse and before any logging
+func InitSecretFlags() {
+	if !*showRemoteWriteURL {
+		flagutil.RegisterSecretFlag("remoteWrite.url")
+	}
+}
+
 // Init creates Client object from given flags.
 // Returns nil if addr flag wasn't set.
 func Init(ctx context.Context) (*Client, error) {

app/vmalert/remotewrite/remotewrite.go

@@ -218,7 +218,7 @@ func (c *Client) flush(ctx context.Context, wr *prompbmarshal.WriteRequest) {
 			return
 		}
 
-		logger.Errorf("attempt %d to send request failed: %s", i+1, err)
+		logger.Warnf("attempt %d to send request failed: %s", i+1, err)
 		// sleeping to avoid remote db hammering
 		time.Sleep(time.Second)
 		continue

app/vmalert/templates/funcs.qtpl

@@ -0,0 +1,15 @@
+{% stripspace %}
+
+{% func quotesEscape(s string) %}
+	{%j= s %}
+{% endfunc %}
+
+{% func jsonEscape(s string) %}
+	{%q= s %}
+{% endfunc %}
+
+{% func htmlEscape(s string) %}
+	{%s s %}
+{% endfunc %}
+
+{% endstripspace %}

app/vmalert/templates/funcs.qtpl.go

@@ -0,0 +1,117 @@
+// Code generated by qtc from "funcs.qtpl". DO NOT EDIT.
+// See https://github.com/valyala/quicktemplate for details.
+
+//line app/vmalert/templates/funcs.qtpl:3
+package templates
+
+//line app/vmalert/templates/funcs.qtpl:3
+import (
+	qtio422016 "io"
+
+	qt422016 "github.com/valyala/quicktemplate"
+)
+
+//line app/vmalert/templates/funcs.qtpl:3
+var (
+	_ = qtio422016.Copy
+	_ = qt422016.AcquireByteBuffer
+)
+
+//line app/vmalert/templates/funcs.qtpl:3
+func streamquotesEscape(qw422016 *qt422016.Writer, s string) {
+//line app/vmalert/templates/funcs.qtpl:4
+	qw422016.N().J(s)
+//line app/vmalert/templates/funcs.qtpl:5
+}
+
+//line app/vmalert/templates/funcs.qtpl:5
+func writequotesEscape(qq422016 qtio422016.Writer, s string) {
+//line app/vmalert/templates/funcs.qtpl:5
+	qw422016 := qt422016.AcquireWriter(qq422016)
+//line app/vmalert/templates/funcs.qtpl:5
+	streamquotesEscape(qw422016, s)
+//line app/vmalert/templates/funcs.qtpl:5
+	qt422016.ReleaseWriter(qw422016)
+//line app/vmalert/templates/funcs.qtpl:5
+}
+
+//line app/vmalert/templates/funcs.qtpl:5
+func quotesEscape(s string) string {
+//line app/vmalert/templates/funcs.qtpl:5
+	qb422016 := qt422016.AcquireByteBuffer()
+//line app/vmalert/templates/funcs.qtpl:5
+	writequotesEscape(qb422016, s)
+//line app/vmalert/templates/funcs.qtpl:5
+	qs422016 := string(qb422016.B)
+//line app/vmalert/templates/funcs.qtpl:5
+	qt422016.ReleaseByteBuffer(qb422016)
+//line app/vmalert/templates/funcs.qtpl:5
+	return qs422016
+//line app/vmalert/templates/funcs.qtpl:5
+}
+
+//line app/vmalert/templates/funcs.qtpl:7
+func streamjsonEscape(qw422016 *qt422016.Writer, s string) {
+//line app/vmalert/templates/funcs.qtpl:8
+	qw422016.N().Q(s)
+//line app/vmalert/templates/funcs.qtpl:9
+}
+
+//line app/vmalert/templates/funcs.qtpl:9
+func writejsonEscape(qq422016 qtio422016.Writer, s string) {
+//line app/vmalert/templates/funcs.qtpl:9
+	qw422016 := qt422016.AcquireWriter(qq422016)
+//line app/vmalert/templates/funcs.qtpl:9
+	streamjsonEscape(qw422016, s)
+//line app/vmalert/templates/funcs.qtpl:9
+	qt422016.ReleaseWriter(qw422016)
+//line app/vmalert/templates/funcs.qtpl:9
+}
+
+//line app/vmalert/templates/funcs.qtpl:9
+func jsonEscape(s string) string {
+//line app/vmalert/templates/funcs.qtpl:9
+	qb422016 := qt422016.AcquireByteBuffer()
+//line app/vmalert/templates/funcs.qtpl:9
+	writejsonEscape(qb422016, s)
+//line app/vmalert/templates/funcs.qtpl:9
+	qs422016 := string(qb422016.B)
+//line app/vmalert/templates/funcs.qtpl:9
+	qt422016.ReleaseByteBuffer(qb422016)
+//line app/vmalert/templates/funcs.qtpl:9
+	return qs422016
+//line app/vmalert/templates/funcs.qtpl:9
+}
+
+//line app/vmalert/templates/funcs.qtpl:11
+func streamhtmlEscape(qw422016 *qt422016.Writer, s string) {
+//line app/vmalert/templates/funcs.qtpl:12
+	qw422016.E().S(s)
+//line app/vmalert/templates/funcs.qtpl:13
+}
+
+//line app/vmalert/templates/funcs.qtpl:13
+func writehtmlEscape(qq422016 qtio422016.Writer, s string) {
+//line app/vmalert/templates/funcs.qtpl:13
+	qw422016 := qt422016.AcquireWriter(qq422016)
+//line app/vmalert/templates/funcs.qtpl:13
+	streamhtmlEscape(qw422016, s)
+//line app/vmalert/templates/funcs.qtpl:13
+	qt422016.ReleaseWriter(qw422016)
+//line app/vmalert/templates/funcs.qtpl:13
+}
+
+//line app/vmalert/templates/funcs.qtpl:13
+func htmlEscape(s string) string {
+//line app/vmalert/templates/funcs.qtpl:13
+	qb422016 := qt422016.AcquireByteBuffer()
+//line app/vmalert/templates/funcs.qtpl:13
+	writehtmlEscape(qb422016, s)
+//line app/vmalert/templates/funcs.qtpl:13
+	qs422016 := string(qb422016.B)
+//line app/vmalert/templates/funcs.qtpl:13
+	qt422016.ReleaseByteBuffer(qb422016)
+//line app/vmalert/templates/funcs.qtpl:13
+	return qs422016
+//line app/vmalert/templates/funcs.qtpl:13
+}

app/vmalert/templates/template.go

@@ -207,23 +207,10 @@ func FuncsWithExternalURL(externalURL *url.URL) textTpl.FuncMap {
 // templateFuncs initiates template helper functions
 func templateFuncs() textTpl.FuncMap {
 	// See https://prometheus.io/docs/prometheus/latest/configuration/template_reference/
+	// and https://github.com/prometheus/prometheus/blob/fa6e05903fd3ce52e374a6e1bf4eb98c9f1f45a7/template/template.go#L150
 	return textTpl.FuncMap{
 		/* Strings */
 
-		// reReplaceAll ReplaceAllString returns a copy of src, replacing matches of the Regexp with
-		// the replacement string repl. Inside repl, $ signs are interpreted as in Expand,
-		// so for instance $1 represents the text of the first submatch.
-		// alias for https://golang.org/pkg/regexp/#Regexp.ReplaceAllString
-		"reReplaceAll": func(pattern, repl, text string) string {
-			re := regexp.MustCompile(pattern)
-			return re.ReplaceAllString(text, repl)
-		},
-
-		// match reports whether the string s
-		// contains any match of the regular expression pattern.
-		// alias for https://golang.org/pkg/regexp/#MatchString
-		"match": regexp.MatchString,
-
 		// title returns a copy of the string s with all Unicode letters
 		// that begin words mapped to their Unicode title case.
 		// alias for https://golang.org/pkg/strings/#Title
@@ -237,6 +224,31 @@ func templateFuncs() textTpl.FuncMap {
 		// alias for https://golang.org/pkg/strings/#ToLower
 		"toLower": strings.ToLower,
 
+		// crlfEscape replaces '\n' and '\r' chars with `\\n` and `\\r`.
+		// This funcion is deprectated.
+		//
+		// It is better to use quotesEscape, jsonEscape, queryEscape or pathEscape instead -
+		// these functions properly escape `\n` and `\r` chars according to their purpose.
+		"crlfEscape": func(q string) string {
+			q = strings.Replace(q, "\n", `\n`, -1)
+			return strings.Replace(q, "\r", `\r`, -1)
+		},
+
+		// quotesEscape escapes the string, so it can be safely put inside JSON string.
+		//
+		// See also jsonEscape.
+		"quotesEscape": quotesEscape,
+
+		// jsonEscape converts the string to properly encoded JSON string.
+		//
+		// See also quotesEscape.
+		"jsonEscape": jsonEscape,
+
+		// htmlEscape applies html-escaping to q, so it can be safely embedded as plaintext into html.
+		//
+		// See also safeHtml.
+		"htmlEscape": htmlEscape,
+
 		// stripPort splits string into host and port, then returns only host.
 		"stripPort": func(hostPort string) string {
 			host, _, err := net.SplitHostPort(hostPort)
@@ -246,6 +258,37 @@ func templateFuncs() textTpl.FuncMap {
 			return host
 		},
 
+		// stripDomain removes the domain part of a FQDN. Leaves port untouched.
+		"stripDomain": func(hostPort string) string {
+			host, port, err := net.SplitHostPort(hostPort)
+			if err != nil {
+				host = hostPort
+			}
+			ip := net.ParseIP(host)
+			if ip != nil {
+				return hostPort
+			}
+			host = strings.Split(host, ".")[0]
+			if port != "" {
+				return net.JoinHostPort(host, port)
+			}
+			return host
+		},
+
+		// match reports whether the string s
+		// contains any match of the regular expression pattern.
+		// alias for https://golang.org/pkg/regexp/#MatchString
+		"match": regexp.MatchString,
+
+		// reReplaceAll ReplaceAllString returns a copy of src, replacing matches of the Regexp with
+		// the replacement string repl. Inside repl, $ signs are interpreted as in Expand,
+		// so for instance $1 represents the text of the first submatch.
+		// alias for https://golang.org/pkg/regexp/#Regexp.ReplaceAllString
+		"reReplaceAll": func(pattern, repl, text string) string {
+			re := regexp.MustCompile(pattern)
+			return re.ReplaceAllString(text, repl)
+		},
+
 		// parseDuration parses a duration string such as "1h" into the number of seconds it represents
 		"parseDuration": func(s string) (float64, error) {
 			d, err := promutils.ParseDuration(s)
@@ -399,31 +442,15 @@ func templateFuncs() textTpl.FuncMap {
 			return ""
 		},
 
-		// pathEscape escapes the string so it can be safely placed inside a URL path segment,
-		// replacing special characters (including /) with %XX sequences as needed.
-		// alias for https://golang.org/pkg/net/url/#PathEscape
-		"pathEscape": func(u string) string {
-			return url.PathEscape(u)
-		},
+		// pathEscape escapes the string so it can be safely placed inside a URL path segment.
+		//
+		// See also queryEscape.
+		"pathEscape": url.PathEscape,
 
-		// queryEscape escapes the string so it can be safely placed
-		// inside a URL query.
-		// alias for https://golang.org/pkg/net/url/#QueryEscape
-		"queryEscape": func(q string) string {
-			return url.QueryEscape(q)
-		},
-
-		// crlfEscape replaces new line chars to skip URL encoding.
-		// see https://github.com/VictoriaMetrics/VictoriaMetrics/issues/890
-		"crlfEscape": func(q string) string {
-			q = strings.Replace(q, "\n", `\n`, -1)
-			return strings.Replace(q, "\r", `\r`, -1)
-		},
-
-		// quotesEscape escapes quote char
-		"quotesEscape": func(q string) string {
-			return strings.Replace(q, `"`, `\"`, -1)
-		},
+		// queryEscape escapes the string so it can be safely placed inside a query arg in URL.
+		//
+		// See also queryEscape.
+		"queryEscape": url.QueryEscape,
 
 		// query executes the MetricsQL/PromQL query against
 		// configured `datasource.url` address.
@@ -455,6 +482,17 @@ func templateFuncs() textTpl.FuncMap {
 			return m.Labels[label]
 		},
 
+		// value returns the value of the given metric.
+		// usually used alongside with `query` template function.
+		"value": func(m metric) float64 {
+			return m.Value
+		},
+
+		// strvalue returns metric name.
+		"strvalue": func(m metric) string {
+			return m.Labels["__name__"]
+		},
+
 		// sortByLabel sorts the given metrics by provided label key
 		"sortByLabel": func(label string, metrics []metric) []metric {
 			sort.SliceStable(metrics, func(i, j int) bool {
@@ -463,12 +501,6 @@ func templateFuncs() textTpl.FuncMap {
 			return metrics
 		},
 
-		// value returns the value of the given metric.
-		// usually used alongside with `query` template function.
-		"value": func(m metric) float64 {
-			return m.Value
-		},
-
 		/* Helpers */
 
 		// Converts a list of objects to a map with keys arg0, arg1 etc.
@@ -482,6 +514,8 @@ func templateFuncs() textTpl.FuncMap {
 		},
 
 		// safeHtml marks string as HTML not requiring auto-escaping.
+		//
+		// See also htmlEscape.
 		"safeHtml": func(text string) htmlTpl.HTML {
 			return htmlTpl.HTML(text)
 		},

app/vmalert/templates/template_test.go

@@ -6,6 +6,52 @@ import (
 	textTpl "text/template"
 )
 
+func TestTemplateFuncs(t *testing.T) {
+	funcs := templateFuncs()
+	f := func(funcName, s, resultExpected string) {
+		t.Helper()
+		v := funcs[funcName]
+		fLocal := v.(func(s string) string)
+		result := fLocal(s)
+		if result != resultExpected {
+			t.Fatalf("unexpected result for %s(%q); got\n%s\nwant\n%s", funcName, s, result, resultExpected)
+		}
+	}
+	f("title", "foo bar", "Foo Bar")
+	f("toUpper", "foo", "FOO")
+	f("toLower", "FOO", "foo")
+	f("pathEscape", "foo/bar\n+baz", "foo%2Fbar%0A+baz")
+	f("queryEscape", "foo+bar\n+baz", "foo%2Bbar%0A%2Bbaz")
+	f("jsonEscape", `foo{bar="baz"}`+"\n + 1", `"foo{bar=\"baz\"}\n + 1"`)
+	f("quotesEscape", `foo{bar="baz"}`+"\n + 1", `foo{bar=\"baz\"}\n + 1`)
+	f("htmlEscape", "foo < 10\nabc", "foo &lt; 10\nabc")
+	f("crlfEscape", "foo\nbar\rx", `foo\nbar\rx`)
+	f("stripPort", "foo", "foo")
+	f("stripPort", "foo:1234", "foo")
+	f("stripDomain", "foo.bar.baz", "foo")
+	f("stripDomain", "foo.bar:123", "foo:123")
+
+	// check "match" func
+	matchFunc := funcs["match"].(func(pattern, s string) (bool, error))
+	if _, err := matchFunc("invalid[regexp", "abc"); err == nil {
+		t.Fatalf("expecting non-nil error on invalid regexp")
+	}
+	ok, err := matchFunc("abc", "def")
+	if err != nil {
+		t.Fatalf("unexpected error")
+	}
+	if ok {
+		t.Fatalf("unexpected match")
+	}
+	ok, err = matchFunc("a.+b", "acsdb")
+	if err != nil {
+		t.Fatalf("unexpected error")
+	}
+	if !ok {
+		t.Fatalf("unexpected mismatch")
+	}
+}
+
 func mkTemplate(current, replacement interface{}) textTemplate {
 	tmpl := textTemplate{}
 	if current != nil {

app/vmalert/web.go

@@ -160,7 +160,7 @@ func (rh *requestHandler) handler(w http.ResponseWriter, r *http.Request) bool {
 		if strings.HasPrefix(r.URL.Path, "/api/v1/") {
 			redirectURL = alert.APILink()
 		}
-		http.Redirect(w, r, "/"+redirectURL, http.StatusPermanentRedirect)
+		httpserver.RedirectPermanent(w, "/"+redirectURL)
 		return true
 	}
 }

app/vmauth/README.md

@@ -166,7 +166,7 @@ It is recommended using [binary releases](https://github.com/VictoriaMetrics/Vic
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmauth` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmauth` binary and puts it into the `bin` folder.
 

app/vmauth/target_url.go

@@ -39,10 +39,19 @@ func createTargetURL(ui *UserInfo, uOrig *url.URL) (*url.URL, []Header, error) {
 	u := *uOrig
 	// Prevent from attacks with using `..` in r.URL.Path
 	u.Path = path.Clean(u.Path)
+	if !strings.HasSuffix(u.Path, "/") && strings.HasSuffix(uOrig.Path, "/") {
+		// The path.Clean() removes traling slash.
+		// Return it back if needed.
+		// This should fix https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1752
+		u.Path += "/"
+	}
 	if !strings.HasPrefix(u.Path, "/") {
 		u.Path = "/" + u.Path
 	}
-	u.Path = strings.TrimSuffix(u.Path, "/")
+	if u.Path == "/" {
+		// See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1554
+		u.Path = ""
+	}
 	for _, e := range ui.URLMap {
 		for _, sp := range e.SrcPaths {
 			if sp.match(u.Path) {

app/vmbackup/README.md

@@ -268,7 +268,7 @@ It is recommended using [binary releases](https://github.com/VictoriaMetrics/Vic
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmbackup` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmbackup` binary and puts it into the `bin` folder.
 

app/vmbackup/main.go

@@ -143,7 +143,7 @@ func newSrcFS() (*fslocal.FS, error) {
 
 	fs := &fslocal.FS{
 		Dir:               snapshotPath,
-		MaxBytesPerSecond: maxBytesPerSecond.N,
+		MaxBytesPerSecond: maxBytesPerSecond.IntN(),
 	}
 	if err := fs.Init(); err != nil {
 		return nil, fmt.Errorf("cannot initialize fs: %w", err)

app/vmctl/README.md

@@ -631,7 +631,7 @@ It is recommended using [binary releases](https://github.com/VictoriaMetrics/Vic
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmctl` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmctl` binary and puts it into the `bin` folder.
 
@@ -660,7 +660,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 #### Development ARM build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmctl-linux-arm` or `make vmctl-linux-arm64` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmctl-linux-arm` or `vmctl-linux-arm64` binary respectively and puts it into the `bin` folder.
 

app/vmrestore/README.md

@@ -168,7 +168,7 @@ It is recommended using [binary releases](https://github.com/VictoriaMetrics/Vic
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmrestore` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmrestore` binary and puts it into the `bin` folder.
 

app/vmrestore/main.go

@@ -81,7 +81,7 @@ func newDstFS() (*fslocal.FS, error) {
 	}
 	fs := &fslocal.FS{
 		Dir:               *storageDataPath,
-		MaxBytesPerSecond: maxBytesPerSecond.N,
+		MaxBytesPerSecond: maxBytesPerSecond.IntN(),
 	}
 	if err := fs.Init(); err != nil {
 		return nil, fmt.Errorf("cannot initialize local fs: %w", err)

app/vmselect/bufferedwriter/bufferedwriter.go

@@ -54,6 +54,9 @@ func (bw *Writer) reset() {
 
 // Write writes p to bw.
 func (bw *Writer) Write(p []byte) (int, error) {
+	if len(p) == 0 {
+		return 0, nil
+	}
 	bw.lock.Lock()
 	defer bw.lock.Unlock()
 	if bw.err != nil {

app/vmselect/main.go

@@ -168,7 +168,7 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 		_ = r.ParseForm()
 		path = strings.TrimPrefix(path, "/")
 		newURL := path + "/?" + r.Form.Encode()
-		http.Redirect(w, r, newURL, http.StatusMovedPermanently)
+		httpserver.RedirectPermanent(w, newURL)
 		return true
 	}
 	if strings.HasPrefix(path, "/vmui/") {
@@ -217,7 +217,7 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 		// vmalert access via incomplete url without `/` in the end. Redirecto to complete url.
 		// Use relative redirect, since, since the hostname and path prefix may be incorrect if VictoriaMetrics
 		// is hidden behind vmauth or similar proxy.
-		http.Redirect(w, r, "vmalert/", http.StatusMovedPermanently)
+		httpserver.RedirectPermanent(w, "vmalert/")
 		return true
 	}
 	if strings.HasPrefix(path, "/vmalert/") {

app/vmselect/prometheus/federate.qtpl

@@ -1,4 +1,6 @@
 {% import (
+	"math"
+
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/netstorage"
 ) %}
 
@@ -7,10 +9,25 @@
 // Federate writes rs in /federate format.
 // See https://prometheus.io/docs/prometheus/latest/federation/
 {% func Federate(rs *netstorage.Result) %}
-	{% if len(rs.Timestamps) == 0 || len(rs.Values) == 0 %}{% return %}{% endif %}
+	{% code
+		values := rs.Values
+		timestamps := rs.Timestamps
+	%}
+	{% if len(timestamps) == 0 || len(values) == 0 %}{% return %}{% endif %}
+	{% code
+		lastValue := values[len(values)-1]
+	%}
+	{% if math.IsNaN(lastValue) %}
+		{% comment %}
+			This is most likely a staleness marker.
+			Return nothing after the staleness marker.
+			See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3185
+		{% endcomment %}
+		{% return %}
+	{% endif %}
 	{%= prometheusMetricName(&rs.MetricName) %}{% space %}
-	{%f= rs.Values[len(rs.Values)-1] %}{% space %}
-	{%dl= rs.Timestamps[len(rs.Timestamps)-1] %}{% newline %}
+	{%f= lastValue %}{% space %}
+	{%dl= timestamps[len(timestamps)-1] %}{% newline %}
 {% endfunc %}
 
 {% endstripspace %}

app/vmselect/prometheus/federate.qtpl.go

@@ -6,70 +6,85 @@ package prometheus
 
 //line app/vmselect/prometheus/federate.qtpl:1
 import (
+	"math"
+
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/netstorage"
 )
 
 // Federate writes rs in /federate format.// See https://prometheus.io/docs/prometheus/latest/federation/
 
-//line app/vmselect/prometheus/federate.qtpl:9
+//line app/vmselect/prometheus/federate.qtpl:11
 import (
 	qtio422016 "io"
 
 	qt422016 "github.com/valyala/quicktemplate"
 )
 
-//line app/vmselect/prometheus/federate.qtpl:9
+//line app/vmselect/prometheus/federate.qtpl:11
 var (
 	_ = qtio422016.Copy
 	_ = qt422016.AcquireByteBuffer
 )
 
-//line app/vmselect/prometheus/federate.qtpl:9
+//line app/vmselect/prometheus/federate.qtpl:11
 func StreamFederate(qw422016 *qt422016.Writer, rs *netstorage.Result) {
-//line app/vmselect/prometheus/federate.qtpl:10
-	if len(rs.Timestamps) == 0 || len(rs.Values) == 0 {
-//line app/vmselect/prometheus/federate.qtpl:10
+//line app/vmselect/prometheus/federate.qtpl:13
+	values := rs.Values
+	timestamps := rs.Timestamps
+
+//line app/vmselect/prometheus/federate.qtpl:16
+	if len(timestamps) == 0 || len(values) == 0 {
+//line app/vmselect/prometheus/federate.qtpl:16
 		return
-//line app/vmselect/prometheus/federate.qtpl:10
+//line app/vmselect/prometheus/federate.qtpl:16
 	}
-//line app/vmselect/prometheus/federate.qtpl:11
+//line app/vmselect/prometheus/federate.qtpl:18
+	lastValue := values[len(values)-1]
+
+//line app/vmselect/prometheus/federate.qtpl:20
+	if math.IsNaN(lastValue) {
+//line app/vmselect/prometheus/federate.qtpl:26
+		return
+//line app/vmselect/prometheus/federate.qtpl:27
+	}
+//line app/vmselect/prometheus/federate.qtpl:28
 	streamprometheusMetricName(qw422016, &rs.MetricName)
-//line app/vmselect/prometheus/federate.qtpl:11
+//line app/vmselect/prometheus/federate.qtpl:28
 	qw422016.N().S(` `)
-//line app/vmselect/prometheus/federate.qtpl:12
-	qw422016.N().F(rs.Values[len(rs.Values)-1])
-//line app/vmselect/prometheus/federate.qtpl:12
+//line app/vmselect/prometheus/federate.qtpl:29
+	qw422016.N().F(lastValue)
+//line app/vmselect/prometheus/federate.qtpl:29
 	qw422016.N().S(` `)
-//line app/vmselect/prometheus/federate.qtpl:13
-	qw422016.N().DL(rs.Timestamps[len(rs.Timestamps)-1])
-//line app/vmselect/prometheus/federate.qtpl:13
+//line app/vmselect/prometheus/federate.qtpl:30
+	qw422016.N().DL(timestamps[len(timestamps)-1])
+//line app/vmselect/prometheus/federate.qtpl:30
 	qw422016.N().S(`
 `)
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 }
 
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 func WriteFederate(qq422016 qtio422016.Writer, rs *netstorage.Result) {
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 	qw422016 := qt422016.AcquireWriter(qq422016)
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 	StreamFederate(qw422016, rs)
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 	qt422016.ReleaseWriter(qw422016)
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 }
 
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 func Federate(rs *netstorage.Result) string {
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 	qb422016 := qt422016.AcquireByteBuffer()
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 	WriteFederate(qb422016, rs)
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 	qs422016 := string(qb422016.B)
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 	qt422016.ReleaseByteBuffer(qb422016)
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 	return qs422016
-//line app/vmselect/prometheus/federate.qtpl:14
+//line app/vmselect/prometheus/federate.qtpl:31
 }

app/vmselect/prometheus/prometheus.go

@@ -665,7 +665,7 @@ func QueryHandler(qt *querytracer.Tracer, startTime time.Time, w http.ResponseWr
 		step = defaultStep
 	}
 
-	if len(query) > maxQueryLen.N {
+	if len(query) > maxQueryLen.IntN() {
 		return fmt.Errorf("too long query; got %d bytes; mustn't exceed `-search.maxQueryLen=%d` bytes", len(query), maxQueryLen.N)
 	}
 	etfs, err := searchutils.GetExtraTagFilters(r)
@@ -812,7 +812,7 @@ func queryRangeHandler(qt *querytracer.Tracer, startTime time.Time, w http.Respo
 	}
 
 	// Validate input args.
-	if len(query) > maxQueryLen.N {
+	if len(query) > maxQueryLen.IntN() {
 		return fmt.Errorf("too long query; got %d bytes; mustn't exceed `-search.maxQueryLen=%d` bytes", len(query), maxQueryLen.N)
 	}
 	if start > end {

app/vmselect/promql/aggr.go

@@ -104,6 +104,9 @@ func removeGroupTags(metricName *storage.MetricName, modifier *metricsql.Modifie
 
 func aggrFuncExt(afe func(tss []*timeseries, modifier *metricsql.ModifierExpr) []*timeseries, argOrig []*timeseries,
 	modifier *metricsql.ModifierExpr, maxSeries int, keepOriginal bool) ([]*timeseries, error) {
+	// Remove empty time series, e.g. series with all NaN samples,
+	// since such series are ignored by aggregate functions.
+	argOrig = removeEmptySeries(argOrig)
 	arg := copyTimeseriesMetricNames(argOrig, keepOriginal)
 
 	// Perform grouping.

app/vmselect/promql/binary_op.go

@@ -36,9 +36,9 @@ var binaryOpFuncs = map[string]binaryOpFunc{
 	"unless": binaryOpUnless,
 
 	// New ops
-	"if":      newBinaryOpArithFunc(binaryop.If),
-	"ifnot":   newBinaryOpArithFunc(binaryop.Ifnot),
-	"default": newBinaryOpArithFunc(binaryop.Default),
+	"if":      binaryOpIf,
+	"ifnot":   binaryOpIfnot,
+	"default": binaryOpDefault,
 }
 
 func getBinaryOpFunc(op string) binaryOpFunc {
@@ -86,17 +86,6 @@ func newBinaryOpFunc(bf func(left, right float64, isBool bool) float64) binaryOp
 		right := bfa.right
 		op := bfa.be.Op
 		switch true {
-		case op == "ifnot":
-			left = removeEmptySeries(left)
-			// Do not remove empty series on the right side,
-			// so the left-side series could be matched against them.
-		case op == "default":
-			// Do not remove empty series on the left and the right side,
-			// since this may lead to missing result:
-			// - if empty time series are removed on the left side,
-			// then they won't be substituted by time series from the right side.
-			// - if empty time series are removed on the right side,
-			// then this may result in missing time series from the left side.
 		case metricsql.IsBinaryOpCmp(op):
 			// Do not remove empty series for comparison operations,
 			// since this may lead to missing result.
@@ -136,7 +125,7 @@ func newBinaryOpFunc(bf func(left, right float64, isBool bool) float64) binaryOp
 
 func adjustBinaryOpTags(be *metricsql.BinaryOpExpr, left, right []*timeseries) ([]*timeseries, []*timeseries, []*timeseries, error) {
 	if len(be.GroupModifier.Op) == 0 && len(be.JoinModifier.Op) == 0 {
-		if isScalar(left) && be.Op != "default" && be.Op != "if" && be.Op != "ifnot" {
+		if isScalar(left) {
 			// Fast path: `scalar op vector`
 			rvsLeft := make([]*timeseries, len(right))
 			tsLeft := left[0]
@@ -324,14 +313,23 @@ func resetMetricGroupIfRequired(be *metricsql.BinaryOpExpr, ts *timeseries) {
 		// Do not reset MetricGroup for non-boolean `compare` binary ops like Prometheus does.
 		return
 	}
-	switch be.Op {
-	case "default", "if", "ifnot":
-		// Do not reset MetricGroup for these ops.
-		return
-	}
 	ts.MetricName.ResetMetricGroup()
 }
 
+func binaryOpIf(bfa *binaryOpFuncArg) ([]*timeseries, error) {
+	mLeft, mRight := createTimeseriesMapByTagSet(bfa.be, bfa.left, bfa.right)
+	var rvs []*timeseries
+	for k, tssLeft := range mLeft {
+		tssRight := seriesByKey(mRight, k)
+		if tssRight == nil {
+			continue
+		}
+		tssLeft = addRightNaNsToLeft(tssLeft, tssRight)
+		rvs = append(rvs, tssLeft...)
+	}
+	return rvs, nil
+}
+
 func binaryOpAnd(bfa *binaryOpFuncArg) ([]*timeseries, error) {
 	mLeft, mRight := createTimeseriesMapByTagSet(bfa.be, bfa.left, bfa.right)
 	var rvs []*timeseries
@@ -340,24 +338,47 @@ func binaryOpAnd(bfa *binaryOpFuncArg) ([]*timeseries, error) {
 		if tssLeft == nil {
 			continue
 		}
-		// Add gaps to tssLeft if there are gaps at tssRight.
-		for _, tsLeft := range tssLeft {
-			valuesLeft := tsLeft.Values
-			for i := range valuesLeft {
-				hasValue := false
-				for _, tsRight := range tssRight {
-					if !math.IsNaN(tsRight.Values[i]) {
-						hasValue = true
-						break
-					}
-				}
-				if !hasValue {
-					valuesLeft[i] = nan
+		tssLeft = addRightNaNsToLeft(tssLeft, tssRight)
+		rvs = append(rvs, tssLeft...)
+	}
+	return rvs, nil
+}
+
+func addRightNaNsToLeft(tssLeft, tssRight []*timeseries) []*timeseries {
+	for _, tsLeft := range tssLeft {
+		valuesLeft := tsLeft.Values
+		for i := range valuesLeft {
+			hasValue := false
+			for _, tsRight := range tssRight {
+				if !math.IsNaN(tsRight.Values[i]) {
+					hasValue = true
+					break
 				}
 			}
+			if !hasValue {
+				valuesLeft[i] = nan
+			}
 		}
-		tssLeft = removeEmptySeries(tssLeft)
+	}
+	return removeEmptySeries(tssLeft)
+}
+
+func binaryOpDefault(bfa *binaryOpFuncArg) ([]*timeseries, error) {
+	mLeft, mRight := createTimeseriesMapByTagSet(bfa.be, bfa.left, bfa.right)
+	var rvs []*timeseries
+	if len(mLeft) == 0 {
+		for _, tss := range mRight {
+			rvs = append(rvs, tss...)
+		}
+		return rvs, nil
+	}
+	for k, tssLeft := range mLeft {
 		rvs = append(rvs, tssLeft...)
+		tssRight := seriesByKey(mRight, k)
+		if tssRight == nil {
+			continue
+		}
+		fillLeftNaNsWithRightValues(tssLeft, tssRight)
 	}
 	return rvs, nil
 }
@@ -374,24 +395,43 @@ func binaryOpOr(bfa *binaryOpFuncArg) ([]*timeseries, error) {
 			rvs = append(rvs, tssRight...)
 			continue
 		}
-		// Fill gaps in tssLeft with values from tssRight as Prometheus does.
-		// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/552
-		for _, tsLeft := range tssLeft {
-			valuesLeft := tsLeft.Values
-			for i, v := range valuesLeft {
-				if !math.IsNaN(v) {
-					continue
-				}
-				for _, tsRight := range tssRight {
-					vRight := tsRight.Values[i]
-					if !math.IsNaN(vRight) {
-						valuesLeft[i] = vRight
-						break
-					}
+		fillLeftNaNsWithRightValues(tssLeft, tssRight)
+	}
+	return rvs, nil
+}
+
+func fillLeftNaNsWithRightValues(tssLeft, tssRight []*timeseries) {
+	// Fill gaps in tssLeft with values from tssRight as Prometheus does.
+	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/552
+	for _, tsLeft := range tssLeft {
+		valuesLeft := tsLeft.Values
+		for i, v := range valuesLeft {
+			if !math.IsNaN(v) {
+				continue
+			}
+			for _, tsRight := range tssRight {
+				vRight := tsRight.Values[i]
+				if !math.IsNaN(vRight) {
+					valuesLeft[i] = vRight
+					break
 				}
 			}
 		}
 	}
+}
+
+func binaryOpIfnot(bfa *binaryOpFuncArg) ([]*timeseries, error) {
+	mLeft, mRight := createTimeseriesMapByTagSet(bfa.be, bfa.left, bfa.right)
+	var rvs []*timeseries
+	for k, tssLeft := range mLeft {
+		tssRight := seriesByKey(mRight, k)
+		if tssRight == nil {
+			rvs = append(rvs, tssLeft...)
+			continue
+		}
+		tssLeft = addLeftNaNsIfNoRightNaNs(tssLeft, tssRight)
+		rvs = append(rvs, tssLeft...)
+	}
 	return rvs, nil
 }
 
@@ -404,24 +444,44 @@ func binaryOpUnless(bfa *binaryOpFuncArg) ([]*timeseries, error) {
 			rvs = append(rvs, tssLeft...)
 			continue
 		}
-		// Add gaps to tssLeft if the are no gaps at tssRight.
-		for _, tsLeft := range tssLeft {
-			valuesLeft := tsLeft.Values
-			for i := range valuesLeft {
-				for _, tsRight := range tssRight {
-					if !math.IsNaN(tsRight.Values[i]) {
-						valuesLeft[i] = nan
-						break
-					}
-				}
-			}
-		}
-		tssLeft = removeEmptySeries(tssLeft)
+		tssLeft = addLeftNaNsIfNoRightNaNs(tssLeft, tssRight)
 		rvs = append(rvs, tssLeft...)
 	}
 	return rvs, nil
 }
 
+func addLeftNaNsIfNoRightNaNs(tssLeft, tssRight []*timeseries) []*timeseries {
+	for _, tsLeft := range tssLeft {
+		valuesLeft := tsLeft.Values
+		for i := range valuesLeft {
+			for _, tsRight := range tssRight {
+				if !math.IsNaN(tsRight.Values[i]) {
+					valuesLeft[i] = nan
+					break
+				}
+			}
+		}
+	}
+	return removeEmptySeries(tssLeft)
+}
+
+func seriesByKey(m map[string][]*timeseries, key string) []*timeseries {
+	tss := m[key]
+	if tss != nil {
+		return tss
+	}
+	if len(m) != 1 {
+		return nil
+	}
+	for _, tss := range m {
+		if isScalar(tss) {
+			return tss
+		}
+		return nil
+	}
+	return nil
+}
+
 func createTimeseriesMapByTagSet(be *metricsql.BinaryOpExpr, left, right []*timeseries) (map[string][]*timeseries, map[string][]*timeseries) {
 	groupTags := be.GroupModifier.Args
 	groupOp := strings.ToLower(be.GroupModifier.Op)

app/vmselect/promql/exec_test.go

@@ -85,6 +85,61 @@ func TestExecSuccess(t *testing.T) {
 		resultExpected := []netstorage.Result{r}
 		f(q, resultExpected)
 	})
+	t.Run("duration-constant", func(t *testing.T) {
+		t.Parallel()
+		q := `1h23m5S`
+		r := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{4985, 4985, 4985, 4985, 4985, 4985},
+			Timestamps: timestampsExpected,
+		}
+		resultExpected := []netstorage.Result{r}
+		f(q, resultExpected)
+	})
+	t.Run("num-with-suffix-1", func(t *testing.T) {
+		t.Parallel()
+		q := `123M`
+		r := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{123e6, 123e6, 123e6, 123e6, 123e6, 123e6},
+			Timestamps: timestampsExpected,
+		}
+		resultExpected := []netstorage.Result{r}
+		f(q, resultExpected)
+	})
+	t.Run("num-with-suffix-2", func(t *testing.T) {
+		t.Parallel()
+		q := `1.23TB`
+		r := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{1.23e12, 1.23e12, 1.23e12, 1.23e12, 1.23e12, 1.23e12},
+			Timestamps: timestampsExpected,
+		}
+		resultExpected := []netstorage.Result{r}
+		f(q, resultExpected)
+	})
+	t.Run("num-with-suffix-3", func(t *testing.T) {
+		t.Parallel()
+		q := `1.23Mib`
+		r := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{1.23 * (1 << 20), 1.23 * (1 << 20), 1.23 * (1 << 20), 1.23 * (1 << 20), 1.23 * (1 << 20), 1.23 * (1 << 20)},
+			Timestamps: timestampsExpected,
+		}
+		resultExpected := []netstorage.Result{r}
+		f(q, resultExpected)
+	})
+	t.Run("num-with-suffix-4", func(t *testing.T) {
+		t.Parallel()
+		q := `1.23mib`
+		r := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{1.23 * (1 << 20), 1.23 * (1 << 20), 1.23 * (1 << 20), 1.23 * (1 << 20), 1.23 * (1 << 20), 1.23 * (1 << 20)},
+			Timestamps: timestampsExpected,
+		}
+		resultExpected := []netstorage.Result{r}
+		f(q, resultExpected)
+	})
 	t.Run("simple-arithmetic", func(t *testing.T) {
 		t.Parallel()
 		q := `-1+2 *3 ^ 4+5%6`
@@ -2280,6 +2335,37 @@ func TestExecSuccess(t *testing.T) {
 		resultExpected := []netstorage.Result{r}
 		f(q, resultExpected)
 	})
+	t.Run(`limit_offset(too-big-offset)`, func(t *testing.T) {
+		t.Parallel()
+		q := `limit_offset(1, 10, sort_by_label((
+			label_set(time()*1, "foo", "y"),
+			label_set(time()*2, "foo", "a"),
+			label_set(time()*3, "foo", "x"),
+		), "foo"))`
+		resultExpected := []netstorage.Result{}
+		f(q, resultExpected)
+	})
+	t.Run(`limit_offset NaN`, func(t *testing.T) {
+		t.Parallel()
+		// q returns 3 time series, where foo=3 contains only NaN values
+		// limit_offset suppose to apply offset for non-NaN series only
+		q := `limit_offset(1, 1, sort_by_label_desc((
+			label_set(time()*1, "foo", "1"),
+			label_set(time()*2, "foo", "2"),
+			label_set(time()*3, "foo", "3"),
+		) < 3000, "foo"))`
+		r := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{1000, 1200, 1400, 1600, 1800, 2000},
+			Timestamps: timestampsExpected,
+		}
+		r.MetricName.Tags = []storage.Tag{{
+			Key:   []byte("foo"),
+			Value: []byte("1"),
+		}}
+		resultExpected := []netstorage.Result{r}
+		f(q, resultExpected)
+	})
 	t.Run(`sum(label_graphite_group)`, func(t *testing.T) {
 		t.Parallel()
 		q := `sort(sum by (__name__) (
@@ -2803,7 +2889,12 @@ func TestExecSuccess(t *testing.T) {
 	t.Run(`scalar default vector1`, func(t *testing.T) {
 		t.Parallel()
 		q := `time() > 1400 default label_set(123, "foo", "bar")`
-		resultExpected := []netstorage.Result{}
+		r := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{nan, nan, nan, 1600, 1800, 2000},
+			Timestamps: timestampsExpected,
+		}
+		resultExpected := []netstorage.Result{r}
 		f(q, resultExpected)
 	})
 	t.Run(`scalar default vector2`, func(t *testing.T) {
@@ -3762,6 +3853,27 @@ func TestExecSuccess(t *testing.T) {
 		resultExpected := []netstorage.Result{r}
 		f(q, resultExpected)
 	})
+	t.Run(`histogram_quantile(duplicate-le)`, func(t *testing.T) {
+		// See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3225
+		t.Parallel()
+		q := `round(sort(histogram_quantile(0.6,
+			label_set(90, "foo", "bar", "le", "5")
+			or label_set(100, "foo", "bar", "le", "5.0")
+			or label_set(200, "foo", "bar", "le", "6.0")
+			or label_set(300, "foo", "bar", "le", "+Inf")
+		)), 0.1)`
+		r1 := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{4.7, 4.7, 4.7, 4.7, 4.7, 4.7},
+			Timestamps: timestampsExpected,
+		}
+		r1.MetricName.Tags = []storage.Tag{{
+			Key:   []byte("foo"),
+			Value: []byte("bar"),
+		}}
+		resultExpected := []netstorage.Result{r1}
+		f(q, resultExpected)
+	})
 	t.Run(`histogram_quantile(valid)`, func(t *testing.T) {
 		t.Parallel()
 		q := `sort(histogram_quantile(0.6,
@@ -5084,7 +5196,40 @@ func TestExecSuccess(t *testing.T) {
 		resultExpected := []netstorage.Result{r}
 		f(q, resultExpected)
 	})
-	t.Run(`quantiles_over_time`, func(t *testing.T) {
+	t.Run(`quantiles_over_time(single_sample)`, func(t *testing.T) {
+		t.Parallel()
+		q := `sort_by_label(
+			quantiles_over_time("phi", 0.5, 0.9,
+				time()[100s:100s]
+			),
+			"phi",
+		)`
+		r1 := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{1000, 1200, 1400, 1600, 1800, 2000},
+			Timestamps: timestampsExpected,
+		}
+		r1.MetricName.Tags = []storage.Tag{
+			{
+				Key:   []byte("phi"),
+				Value: []byte("0.5"),
+			},
+		}
+		r2 := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{1000, 1200, 1400, 1600, 1800, 2000},
+			Timestamps: timestampsExpected,
+		}
+		r2.MetricName.Tags = []storage.Tag{
+			{
+				Key:   []byte("phi"),
+				Value: []byte("0.9"),
+			},
+		}
+		resultExpected := []netstorage.Result{r1, r2}
+		f(q, resultExpected)
+	})
+	t.Run(`quantiles_over_time(multiple_samples)`, func(t *testing.T) {
 		t.Parallel()
 		q := `sort_by_label(
 			quantiles_over_time("phi", 0.5, 0.9,
@@ -5485,6 +5630,12 @@ func TestExecSuccess(t *testing.T) {
 		resultExpected := []netstorage.Result{r}
 		f(q, resultExpected)
 	})
+	t.Run(`any(empty-series)`, func(t *testing.T) {
+		t.Parallel()
+		q := `any(label_set(time()<0, "foo", "bar"))`
+		resultExpected := []netstorage.Result{}
+		f(q, resultExpected)
+	})
 	t.Run(`group() by (test)`, func(t *testing.T) {
 		t.Parallel()
 		q := `group((
@@ -6092,7 +6243,18 @@ func TestExecSuccess(t *testing.T) {
 	t.Run(`ifnot-no-matching-timeseries`, func(t *testing.T) {
 		t.Parallel()
 		q := `label_set(time(), "foo", "bar") ifnot label_set(time() > 1400, "x", "y")`
-		resultExpected := []netstorage.Result{}
+		r := netstorage.Result{
+			MetricName: metricNameExpected,
+			Values:     []float64{1000, 1200, 1400, 1600, 1800, 2000},
+			Timestamps: timestampsExpected,
+		}
+		r.MetricName.Tags = []storage.Tag{
+			{
+				Key:   []byte("foo"),
+				Value: []byte("bar"),
+			},
+		}
+		resultExpected := []netstorage.Result{r}
 		f(q, resultExpected)
 	})
 	t.Run(`quantile(-2)`, func(t *testing.T) {
@@ -7115,7 +7277,7 @@ func TestExecSuccess(t *testing.T) {
 	})
 	t.Run(`rollup_scrape_interval()`, func(t *testing.T) {
 		t.Parallel()
-		q := `sort_by_label(rollup_scrape_interval(1[5m:10s]), "rollup")`
+		q := `sort_by_label(rollup_scrape_interval(1[5m:10S]), "rollup")`
 		r1 := netstorage.Result{
 			MetricName: metricNameExpected,
 			Values:     []float64{10, 10, 10, 10, 10, 10},
@@ -7925,6 +8087,7 @@ func TestExecError(t *testing.T) {
 	f(`limit_offet(1, (alias(1,"foo"),alias(2,"bar")), 10)`)
 	f(`round(1, 1 or label_set(2, "xx", "foo"))`)
 	f(`histogram_quantile(1 or label_set(2, "xx", "foo"), 1)`)
+	f(`histogram_quantiles("foo", 1 or label_set(2, "xxx", "foo"), 2)`)
 	f(`label_set(1, 2, 3)`)
 	f(`label_set(1, "foo", (label_set(1, "foo", bar") or label_set(2, "xxx", "yy")))`)
 	f(`label_set(1, "foo", 3)`)

app/vmselect/promql/rollup.go

@@ -167,6 +167,8 @@ var rollupFuncsCanAdjustWindow = map[string]bool{
 	"timestamp":              true,
 }
 
+// rollupFuncsRemoveCounterResets contains functions, which need to call removeCounterResets
+// over input samples before calling the corresponding rollup functions.
 var rollupFuncsRemoveCounterResets = map[string]bool{
 	"increase":            true,
 	"increase_prometheus": true,
@@ -177,6 +179,36 @@ var rollupFuncsRemoveCounterResets = map[string]bool{
 	"rollup_rate":         true,
 }
 
+// rollupFuncsSamplesScannedPerCall contains functions, which scan lower number of samples
+// than is passed to the rollup func.
+//
+// It is expected that the remaining rollupFuncs scan all the samples passed to them.
+var rollupFuncsSamplesScannedPerCall = map[string]int{
+	"absent_over_time":    1,
+	"count_over_time":     1,
+	"default_rollup":      1,
+	"delta":               2,
+	"delta_prometheus":    2,
+	"deriv_fast":          2,
+	"first_over_time":     1,
+	"idelta":              2,
+	"ideriv":              2,
+	"increase":            2,
+	"increase_prometheus": 2,
+	"increase_pure":       2,
+	"irate":               2,
+	"lag":                 1,
+	"last_over_time":      1,
+	"lifetime":            2,
+	"present_over_time":   1,
+	"rate":                2,
+	"scrape_interval":     2,
+	"tfirst_over_time":    1,
+	"timestamp":           1,
+	"timestamp_with_name": 1,
+	"tlast_over_time":     1,
+}
+
 // These functions don't change physical meaning of input time series,
 // so they don't drop metric name
 var rollupFuncsKeepMetricName = map[string]bool{
@@ -248,26 +280,29 @@ func getRollupAggrFuncNames(expr metricsql.Expr) ([]string, error) {
 	return aggrFuncNames, nil
 }
 
-func getRollupConfigs(name string, rf rollupFunc, expr metricsql.Expr, start, end, step, window int64, lookbackDelta int64, sharedTimestamps []int64) (
+func getRollupConfigs(funcName string, rf rollupFunc, expr metricsql.Expr, start, end, step, window int64, lookbackDelta int64, sharedTimestamps []int64) (
 	func(values []float64, timestamps []int64), []*rollupConfig, error) {
 	preFunc := func(values []float64, timestamps []int64) {}
-	if rollupFuncsRemoveCounterResets[name] {
+	funcName = strings.ToLower(funcName)
+	if rollupFuncsRemoveCounterResets[funcName] {
 		preFunc = func(values []float64, timestamps []int64) {
 			removeCounterResets(values)
 		}
 	}
+	samplesScannedPerCall := rollupFuncsSamplesScannedPerCall[funcName]
 	newRollupConfig := func(rf rollupFunc, tagValue string) *rollupConfig {
 		return &rollupConfig{
-			TagValue:        tagValue,
-			Func:            rf,
-			Start:           start,
-			End:             end,
-			Step:            step,
-			Window:          window,
-			MayAdjustWindow: rollupFuncsCanAdjustWindow[name],
-			LookbackDelta:   lookbackDelta,
-			Timestamps:      sharedTimestamps,
-			isDefaultRollup: name == "default_rollup",
+			TagValue:              tagValue,
+			Func:                  rf,
+			Start:                 start,
+			End:                   end,
+			Step:                  step,
+			Window:                window,
+			MayAdjustWindow:       rollupFuncsCanAdjustWindow[funcName],
+			LookbackDelta:         lookbackDelta,
+			Timestamps:            sharedTimestamps,
+			isDefaultRollup:       funcName == "default_rollup",
+			samplesScannedPerCall: samplesScannedPerCall,
 		}
 	}
 	appendRollupConfigs := func(dst []*rollupConfig) []*rollupConfig {
@@ -277,7 +312,7 @@ func getRollupConfigs(name string, rf rollupFunc, expr metricsql.Expr, start, en
 		return dst
 	}
 	var rcs []*rollupConfig
-	switch name {
+	switch funcName {
 	case "rollup":
 		rcs = appendRollupConfigs(rcs)
 	case "rollup_rate", "rollup_deriv":
@@ -414,6 +449,11 @@ type rollupConfig struct {
 
 	// Whether default_rollup is used.
 	isDefaultRollup bool
+
+	// The estimated number of samples scanned per Func call.
+	//
+	// If zero, then it is considered that Func scans all the samples passed to it.
+	samplesScannedPerCall int
 }
 
 func (rc *rollupConfig) String() string {
@@ -552,7 +592,8 @@ func (rc *rollupConfig) doInternal(dstValues []float64, tsm *timeseriesMap, valu
 	ni := 0
 	nj := 0
 	f := rc.Func
-	var samplesScanned uint64
+	samplesScanned := uint64(len(values))
+	samplesScannedPerCall := uint64(rc.samplesScannedPerCall)
 	for _, tEnd := range rc.Timestamps {
 		tStart := tEnd - window
 		ni = seekFirstTimestampIdxAfter(timestamps[i:], tStart, ni)
@@ -584,7 +625,11 @@ func (rc *rollupConfig) doInternal(dstValues []float64, tsm *timeseriesMap, valu
 		rfa.currTimestamp = tEnd
 		value := f(rfa)
 		rfa.idx++
-		samplesScanned += uint64(len(rfa.values))
+		if samplesScannedPerCall > 0 {
+			samplesScanned += samplesScannedPerCall
+		} else {
+			samplesScanned += uint64(len(rfa.values))
+		}
 		dstValues = append(dstValues, value)
 	}
 	putRollupFuncArg(rfa)
@@ -1112,11 +1157,7 @@ func newRollupQuantiles(args []interface{}) (rollupFunc, error) {
 		// before calling rollup funcs.
 		values := rfa.values
 		if len(values) == 0 {
-			return rfa.prevValue
-		}
-		if len(values) == 1 {
-			// Fast path - only a single value.
-			return values[0]
+			return nan
 		}
 		qs := getFloat64s()
 		qs.A = quantiles(qs.A[:0], phis, values)
@@ -1339,15 +1380,11 @@ func rollupRateOverSum(rfa *rollupFuncArg) float64 {
 		// Assume that the value didn't change since rfa.prevValue.
 		return 0
 	}
-	dt := rfa.window
-	if !math.IsNaN(rfa.prevValue) {
-		dt = timestamps[len(timestamps)-1] - rfa.prevTimestamp
-	}
 	sum := float64(0)
 	for _, v := range rfa.values {
 		sum += v
 	}
-	return sum / (float64(dt) / 1e3)
+	return sum / (float64(rfa.window) / 1e3)
 }
 
 func rollupRange(rfa *rollupFuncArg) float64 {
@@ -1489,11 +1526,8 @@ func rollupDelta(rfa *rollupFuncArg) float64 {
 			// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/894
 			return values[len(values)-1] - rfa.realPrevValue
 		}
-		// Assume that the previous non-existing value was 0 only in the following cases:
-		//
-		// - If the delta with the next value equals to 0.
-		//   This is the case for slow-changing counter - see https://github.com/VictoriaMetrics/VictoriaMetrics/issues/962
-		// - If the first value doesn't exceed too much the delta with the next value.
+		// Assume that the previous non-existing value was 0
+		// only if the first value doesn't exceed too much the delta with the next value.
 		//
 		// This should prevent from improper increase() results for os-level counters
 		// such as cpu time or bytes sent over the network interface.
@@ -1507,9 +1541,6 @@ func rollupDelta(rfa *rollupFuncArg) float64 {
 		} else if !math.IsNaN(rfa.realNextValue) {
 			d = rfa.realNextValue - values[0]
 		}
-		if d == 0 {
-			d = 10
-		}
 		if math.Abs(values[0]) < 10*(math.Abs(d)+1) {
 			prevValue = 0
 		} else {

app/vmselect/promql/rollup_result_cache.go

@@ -152,6 +152,9 @@ func InitRollupResultCache(cachePath string) {
 	metrics.GetOrCreateGauge(`vm_cache_size_bytes{type="promql/rollupResult"}`, func() float64 {
 		return float64(fcs().BytesSize)
 	})
+	metrics.GetOrCreateGauge(`vm_cache_size_max_bytes{type="promql/rollupResult"}`, func() float64 {
+		return float64(fcs().MaxBytesSize)
+	})
 	metrics.GetOrCreateGauge(`vm_cache_requests_total{type="promql/rollupResult"}`, func() float64 {
 		return float64(fcs().GetCalls)
 	})
@@ -439,7 +442,7 @@ func mustSaveRollupResultCacheKeyPrefix(path string) {
 var tooBigRollupResults = metrics.NewCounter("vm_too_big_rollup_results_total")
 
 // Increment this value every time the format of the cache changes.
-const rollupResultCacheVersion = 8
+const rollupResultCacheVersion = 9
 
 func marshalRollupResultCacheKey(dst []byte, expr metricsql.Expr, window, step int64, etfs [][]storage.TagFilter) []byte {
 	dst = append(dst, rollupResultCacheVersion)

app/vmselect/promql/rollup_test.go

@@ -586,8 +586,8 @@ func TestRollupNoWindowNoPoints(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned != 0 {
-			t.Fatalf("expecting zero samplesScanned from rollupConfig.Do; got %d", samplesScanned)
+		if samplesScanned != 12 {
+			t.Fatalf("expecting 12 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, nan, nan, nan, nan}
 		timestampsExpected := []int64{0, 1, 2, 3, 4}
@@ -623,8 +623,8 @@ func TestRollupWindowNoPoints(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned != 0 {
-			t.Fatalf("expecting zero samplesScanned from rollupConfig.Do; got %d", samplesScanned)
+		if samplesScanned != 12 {
+			t.Fatalf("expecting 12 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, nan, nan, nan, nan}
 		timestampsExpected := []int64{0, 1, 2, 3, 4}
@@ -640,8 +640,8 @@ func TestRollupWindowNoPoints(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned != 0 {
-			t.Fatalf("expecting zero samplesScanned from rollupConfig.Do; got %d", samplesScanned)
+		if samplesScanned != 12 {
+			t.Fatalf("expecting 12 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, nan, nan, nan}
 		timestampsExpected := []int64{161, 171, 181, 191}
@@ -660,8 +660,8 @@ func TestRollupNoWindowPartialPoints(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 15 {
+			t.Fatalf("expecting 15 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 123, nan, 34, nan, 44}
 		timestampsExpected := []int64{0, 5, 10, 15, 20, 25}
@@ -677,8 +677,8 @@ func TestRollupNoWindowPartialPoints(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 16 {
+			t.Fatalf("expecting 16 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{44, 32, 34, nan}
 		timestampsExpected := []int64{100, 120, 140, 160}
@@ -694,8 +694,8 @@ func TestRollupNoWindowPartialPoints(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, nan, 123, 34, 32}
 		timestampsExpected := []int64{-50, 0, 50, 100, 150}
@@ -714,8 +714,8 @@ func TestRollupWindowPartialPoints(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 16 {
+			t.Fatalf("expecting 16 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 123, 123, 34, 34}
 		timestampsExpected := []int64{0, 5, 10, 15, 20}
@@ -731,8 +731,8 @@ func TestRollupWindowPartialPoints(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 16 {
+			t.Fatalf("expecting 16 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{44, 34, 34, nan}
 		timestampsExpected := []int64{100, 120, 140, 160}
@@ -748,8 +748,8 @@ func TestRollupWindowPartialPoints(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 15 {
+			t.Fatalf("expecting 15 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 54, 44, nan}
 		timestampsExpected := []int64{0, 50, 100, 150}
@@ -768,8 +768,8 @@ func TestRollupFuncsLookbackDelta(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 18 {
+			t.Fatalf("expecting 18 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{99, nan, 44, nan, 32, 34, nan}
 		timestampsExpected := []int64{80, 90, 100, 110, 120, 130, 140}
@@ -785,8 +785,8 @@ func TestRollupFuncsLookbackDelta(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 18 {
+			t.Fatalf("expecting 18 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{99, nan, 44, nan, 32, 34, nan}
 		timestampsExpected := []int64{80, 90, 100, 110, 120, 130, 140}
@@ -802,8 +802,8 @@ func TestRollupFuncsLookbackDelta(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 18 {
+			t.Fatalf("expecting 18 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{99, nan, 44, nan, 32, 34, nan}
 		timestampsExpected := []int64{80, 90, 100, 110, 120, 130, 140}
@@ -822,8 +822,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 123, 54, 44, 34}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -839,8 +839,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 4, 4, 3, 1}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -856,8 +856,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 21, 12, 32, 34}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -873,8 +873,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 123, 99, 44, 34}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -890,8 +890,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 222, 199, 110, 34}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -907,8 +907,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 21, -9, 22, 0}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -924,8 +924,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, -102, -42, -10, nan}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -941,8 +941,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{123, 33, -87, 0}
 		timestampsExpected := []int64{10, 50, 90, 130}
@@ -958,8 +958,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 0.004, 0, 0, 0.03}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -975,8 +975,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 0.031, 0.044, 0.04, 0.01}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -992,8 +992,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 47 {
+			t.Fatalf("expecting 47 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 0.031, 0.075, 0.115, 0.125}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1009,8 +1009,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 0.010333333333333333, 0.011, 0.013333333333333334, 0.01}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1026,8 +1026,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 35 {
+			t.Fatalf("expecting 35 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 0.010333333333333333, 0.010714285714285714, 0.012, 0.0125}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1043,8 +1043,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 4, 4, 3, 0}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1060,8 +1060,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 3, 3, 2, 0}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1077,8 +1077,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 16 {
+			t.Fatalf("expecting 16 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 1, 1, 1, 1, 0}
 		timestampsExpected := []int64{0, 9, 18, 27, 36, 45}
@@ -1094,8 +1094,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 2, 2, 1, 0}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1111,8 +1111,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 55.5, 49.75, 36.666666666666664, 34}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1128,8 +1128,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, -2879.310344827588, 127.87627310448904, -496.5831435079728, 0}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1145,8 +1145,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 14 {
+			t.Fatalf("expecting 14 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, nan, nan, 0, -8900, 0}
 		timestampsExpected := []int64{0, 4, 8, 12, 16, 20}
@@ -1162,8 +1162,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, -1916.6666666666665, -43500, 400, 0}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1179,8 +1179,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 39.81519810323691, 32.080952292598795, 5.2493385826745405, 0}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1196,8 +1196,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 2.148, 1.593, 1.156, 1.36}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1213,8 +1213,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 24 {
+			t.Fatalf("expecting 24 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 4, 4, 3, 1}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1230,8 +1230,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 35 {
+			t.Fatalf("expecting 35 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 4, 7, 6, 3}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1247,8 +1247,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 35 {
+			t.Fatalf("expecting 35 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, 21, 34, 34, 34}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1264,10 +1264,10 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 35 {
+			t.Fatalf("expecting 35 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
-		valuesExpected := []float64{nan, 2775, 5262.5, 3678.5714285714284, 2880}
+		valuesExpected := []float64{nan, 2775, 5262.5, 3862.5, 1800}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
 		testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
 	})
@@ -1281,8 +1281,8 @@ func TestRollupFuncsNoWindow(t *testing.T) {
 		}
 		rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
 		values, samplesScanned := rc.Do(nil, testValues, testTimestamps)
-		if samplesScanned == 0 {
-			t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+		if samplesScanned != 35 {
+			t.Fatalf("expecting 35 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 		}
 		valuesExpected := []float64{nan, -0.86650328627136, -1.1200838283548589, -0.40035755084856683, nan}
 		timestampsExpected := []int64{0, 40, 80, 120, 160}
@@ -1306,8 +1306,8 @@ func TestRollupBigNumberOfValues(t *testing.T) {
 		srcTimestamps[i] = int64(i / 2)
 	}
 	values, samplesScanned := rc.Do(nil, srcValues, srcTimestamps)
-	if samplesScanned == 0 {
-		t.Fatalf("expecting non-zero samplesScanned from rollupConfig.Do")
+	if samplesScanned != 22002 {
+		t.Fatalf("expecting 22002 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
 	}
 	valuesExpected := []float64{1, 4001, 8001, 9999, nan, nan}
 	timestampsExpected := []int64{0, 2000, 4000, 6000, 8000, 10000}
@@ -1383,19 +1383,16 @@ func TestRollupDelta(t *testing.T) {
 
 	// Small initial value
 	f(nan, nan, nan, []float64{1}, 1)
-	f(nan, nan, nan, []float64{10}, 10)
-	f(nan, nan, nan, []float64{100}, 100)
+	f(nan, nan, nan, []float64{10}, 0)
+	f(nan, nan, nan, []float64{100}, 0)
 	f(nan, nan, nan, []float64{1, 2, 3}, 3)
 	f(1, nan, nan, []float64{1, 2, 3}, 2)
 	f(nan, nan, nan, []float64{5, 6, 8}, 8)
 	f(2, nan, nan, []float64{5, 6, 8}, 6)
 
-	// Moderate initial value with zero delta after that.
-	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/962
-	f(nan, nan, nan, []float64{100}, 100)
-	f(nan, nan, nan, []float64{100, 100}, 100)
+	f(nan, nan, nan, []float64{100, 100}, 0)
 
-	// Big initial value with with zero delta after that.
+	// Big initial value with zero delta after that.
 	f(nan, nan, nan, []float64{1000}, 0)
 	f(nan, nan, nan, []float64{1000, 1000}, 0)
 

app/vmselect/promql/timeseries.go

@@ -82,15 +82,17 @@ func marshalTimeseriesFast(dst []byte, tss []*timeseries, maxSize int, step int6
 		logger.Panicf("BUG: tss cannot be empty")
 	}
 
-	// Calculate the required size for marshaled tss.
-	size := 0
-	for _, ts := range tss {
-		size += ts.marshaledFastSizeNoTimestamps()
-	}
-	// timestamps are stored only once for all the tss, since they are identical.
+	// timestamps are stored only once for all the tss, since they must be identical
 	assertIdenticalTimestamps(tss, step)
-	size += 8 * len(tss[0].Timestamps)
+	timestamps := tss[0].Timestamps
 
+	// Calculate the required size for marshaled tss.
+	size := 8 + 8                          // 8 bytes for len(tss) and 8 bytes for len(timestamps)
+	size += 8 * len(timestamps)            // encoded timestamps
+	size += 8 * len(tss) * len(timestamps) // encoded values
+	for _, ts := range tss {
+		size += marshaledFastMetricNameSize(&ts.MetricName)
+	}
 	if size > maxSize {
 		// Do not marshal tss, since it would occupy too much space
 		return dst
@@ -98,176 +100,133 @@ func marshalTimeseriesFast(dst []byte, tss []*timeseries, maxSize int, step int6
 
 	// Allocate the buffer for the marshaled tss before its' marshaling.
 	// This should reduce memory fragmentation and memory usage.
-	dst = bytesutil.ResizeNoCopyMayOverallocate(dst, size)
-	dst = marshalFastTimestamps(dst[:0], tss[0].Timestamps)
+	dstLen := len(dst)
+	dst = bytesutil.ResizeWithCopyMayOverallocate(dst, size+dstLen)
+	dst = dst[:dstLen]
+
+	// Marshal timestamps and values at first, so they are 8-byte aligned.
+	// This prevents from SIGBUS error on arm architectures.
+	// See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3927
+	dst = encoding.MarshalUint64(dst, uint64(len(tss)))
+	dst = encoding.MarshalUint64(dst, uint64(len(timestamps)))
+	dst = marshalTimestampsFast(dst, timestamps)
 	for _, ts := range tss {
-		dst = ts.marshalFastNoTimestamps(dst)
+		dst = marshalValuesFast(dst, ts.Values)
+	}
+	for _, ts := range tss {
+		dst = marshalMetricNameFast(dst, &ts.MetricName)
 	}
 	return dst
 }
 
 // unmarshalTimeseriesFast unmarshals timeseries from src.
 //
-// The returned timeseries refer to src, so it is unsafe to modify it
-// until timeseries are in use.
+// The returned timeseries refer to src, so it is unsafe to modify it while timeseries are in use.
 func unmarshalTimeseriesFast(src []byte) ([]*timeseries, error) {
-	tail, timestamps, err := unmarshalFastTimestamps(src)
+	if len(src) < 16 {
+		return nil, fmt.Errorf("cannot unmarshal timeseries from %d bytes; need at least 16 bytes", len(src))
+	}
+	tssLen := encoding.UnmarshalUint64(src)
+	timestampsLen := encoding.UnmarshalUint64(src[8:])
+	src = src[16:]
+
+	// Unmarshal timestamps
+	tail, timestamps, err := unmarshalTimestampsFast(src, timestampsLen)
 	if err != nil {
 		return nil, err
 	}
 	src = tail
 
-	var tss []*timeseries
-	for len(src) > 0 {
+	tss := make([]*timeseries, tssLen)
+	for i := range tss {
 		var ts timeseries
-		ts.denyReuse = false
+		ts.denyReuse = true
 		ts.Timestamps = timestamps
+		tss[i] = &ts
+	}
 
-		tail, err := ts.unmarshalFastNoTimestamps(src)
+	// Unmarshal values
+	for _, ts := range tss {
+		tail, values, err := unmarshalValuesFast(src, timestampsLen)
+		if err != nil {
+			return nil, err
+		}
+		ts.Values = values
+		src = tail
+	}
+
+	// Unmarshal metric names for the time series
+	for _, ts := range tss {
+		tail, err := unmarshalMetricNameFast(&ts.MetricName, src)
 		if err != nil {
 			return nil, err
 		}
 		src = tail
+	}
 
-		tss = append(tss, &ts)
+	if len(src) > 0 {
+		return nil, fmt.Errorf("unexpected non-empty tail left after unmarshaling %d timeseries; len(tail)=%d", len(tss), len(src))
 	}
 	return tss, nil
 }
 
-// marshaledFastSizeNoTimestamps returns the size of marshaled ts
-// returned from marshalFastNoTimestamps.
-func (ts *timeseries) marshaledFastSizeNoTimestamps() int {
-	mn := &ts.MetricName
-	n := 2 + len(mn.MetricGroup)
+// marshaledFastMetricNameSize returns the size of marshaled mn returned from marshalMetricNameFast.
+func marshaledFastMetricNameSize(mn *storage.MetricName) int {
+	n := 0
+	n += 2 + len(mn.MetricGroup)
 	n += 2 // Length of tags.
 	for i := range mn.Tags {
 		tag := &mn.Tags[i]
 		n += 2 + len(tag.Key)
 		n += 2 + len(tag.Value)
 	}
-	n += 8 * len(ts.Values)
 	return n
 }
 
-// marshalFastNoTimestamps appends marshaled ts to dst and returns the result.
-//
-// It doesn't marshal timestamps.
-//
-// The result must be unmarshaled with unmarshalFastNoTimestamps.
-func (ts *timeseries) marshalFastNoTimestamps(dst []byte) []byte {
-	mn := &ts.MetricName
-	dst = marshalBytesFast(dst, mn.MetricGroup)
-	dst = encoding.MarshalUint16(dst, uint16(len(mn.Tags)))
-	// There is no need in tags' sorting - they must be sorted after unmarshaling.
-	for i := range mn.Tags {
-		tag := &mn.Tags[i]
-		dst = marshalBytesFast(dst, tag.Key)
-		dst = marshalBytesFast(dst, tag.Value)
-	}
-
-	// Do not marshal len(ts.Values), since it is already encoded as len(ts.Timestamps)
-	// during marshalFastTimestamps.
-	var valuesBuf []byte
-	if len(ts.Values) > 0 {
-		valuesBuf = float64ToByteSlice(ts.Values)
-	}
+func marshalValuesFast(dst []byte, values []float64) []byte {
+	// Do not marshal len(values), since it is already encoded as len(timestamps) at marshalTimestampsFast.
+	valuesBuf := float64ToByteSlice(values)
 	dst = append(dst, valuesBuf...)
 	return dst
 }
 
-func marshalFastTimestamps(dst []byte, timestamps []int64) []byte {
-	dst = encoding.MarshalUint32(dst, uint32(len(timestamps)))
-	var timestampsBuf []byte
-	if len(timestamps) > 0 {
-		timestampsBuf = int64ToByteSlice(timestamps)
+// it is unsafe modifying src while the returned values is in use.
+func unmarshalValuesFast(src []byte, valuesLen uint64) ([]byte, []float64, error) {
+	bufSize := valuesLen * 8
+	if uint64(len(src)) < bufSize {
+		return src, nil, fmt.Errorf("cannot unmarshal values; got %d ytes; want at least %d bytes", uint64(len(src)), bufSize)
 	}
+	values := byteSliceToFloat64(src[:bufSize])
+	return src[bufSize:], values, nil
+}
+
+func marshalTimestampsFast(dst []byte, timestamps []int64) []byte {
+	timestampsBuf := int64ToByteSlice(timestamps)
 	dst = append(dst, timestampsBuf...)
 	return dst
 }
 
 // it is unsafe modifying src while the returned timestamps is in use.
-func unmarshalFastTimestamps(src []byte) ([]byte, []int64, error) {
-	if len(src) < 4 {
-		return src, nil, fmt.Errorf("cannot decode len(timestamps); got %d bytes; want at least %d bytes", len(src), 4)
-	}
-	timestampsCount := int(encoding.UnmarshalUint32(src))
-	src = src[4:]
-	if timestampsCount == 0 {
-		return src, nil, nil
-	}
-
-	bufSize := timestampsCount * 8
-	if len(src) < bufSize {
+func unmarshalTimestampsFast(src []byte, timestampsLen uint64) ([]byte, []int64, error) {
+	bufSize := timestampsLen * 8
+	if uint64(len(src)) < bufSize {
 		return src, nil, fmt.Errorf("cannot unmarshal timestamps; got %d bytes; want at least %d bytes", len(src), bufSize)
 	}
 	timestamps := byteSliceToInt64(src[:bufSize])
-	src = src[bufSize:]
-
-	return src, timestamps, nil
+	return src[bufSize:], timestamps, nil
 }
 
-// unmarshalFastNoTimestamps unmarshals ts from src, so ts members reference src.
+// marshalMetricNameFast appends marshaled mn to dst and returns the result.
 //
-// It is expected that ts.Timestamps is already unmarshaled.
-//
-// It is unsafe to modify src while ts is in use.
-func (ts *timeseries) unmarshalFastNoTimestamps(src []byte) ([]byte, error) {
-	// ts members point to src, so they cannot be re-used.
-	ts.denyReuse = true
-
-	tail, err := unmarshalMetricNameFast(&ts.MetricName, src)
-	if err != nil {
-		return tail, fmt.Errorf("cannot unmarshal MetricName: %w", err)
-	}
-	src = tail
-
-	valuesCount := len(ts.Timestamps)
-	if valuesCount == 0 {
-		return src, nil
-	}
-	bufSize := valuesCount * 8
-	if len(src) < bufSize {
-		return src, fmt.Errorf("cannot unmarshal values; got %d bytes; want at least %d bytes", len(src), bufSize)
-	}
-	ts.Values = byteSliceToFloat64(src[:bufSize])
-
-	return src[bufSize:], nil
+// The result must be unmarshaled with unmarshalMetricNameFast.
+func marshalMetricNameFast(dst []byte, mn *storage.MetricName) []byte {
+	dst = marshalBytesFast(dst, mn.MetricGroup)
+	dst = encoding.MarshalUint16(dst, uint16(len(mn.Tags)))
+	// There is no need in tags' sorting - they must be sorted after unmarshaling.
+	return marshalMetricTagsFast(dst, mn.Tags)
 }
 
-func float64ToByteSlice(a []float64) (b []byte) {
-	sh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
-	sh.Data = uintptr(unsafe.Pointer(&a[0]))
-	sh.Len = len(a) * int(unsafe.Sizeof(a[0]))
-	sh.Cap = sh.Len
-	return
-}
-
-func int64ToByteSlice(a []int64) (b []byte) {
-	sh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
-	sh.Data = uintptr(unsafe.Pointer(&a[0]))
-	sh.Len = len(a) * int(unsafe.Sizeof(a[0]))
-	sh.Cap = sh.Len
-	return
-}
-
-func byteSliceToInt64(b []byte) (a []int64) {
-	sh := (*reflect.SliceHeader)(unsafe.Pointer(&a))
-	sh.Data = uintptr(unsafe.Pointer(&b[0]))
-	sh.Len = len(b) / int(unsafe.Sizeof(a[0]))
-	sh.Cap = sh.Len
-	return
-}
-
-func byteSliceToFloat64(b []byte) (a []float64) {
-	sh := (*reflect.SliceHeader)(unsafe.Pointer(&a))
-	sh.Data = uintptr(unsafe.Pointer(&b[0]))
-	sh.Len = len(b) / int(unsafe.Sizeof(a[0]))
-	sh.Cap = sh.Len
-	return
-}
-
-// unmarshalMetricNameFast unmarshals mn from src, so mn members
-// hold references to src.
+// unmarshalMetricNameFast unmarshals mn from src, so mn members hold references to src.
 //
 // It is unsafe modifying src while mn is in use.
 func unmarshalMetricNameFast(mn *storage.MetricName, src []byte) ([]byte, error) {
@@ -320,9 +279,7 @@ func marshalMetricTagsFast(dst []byte, tags []storage.Tag) []byte {
 
 func marshalMetricNameSorted(dst []byte, mn *storage.MetricName) []byte {
 	dst = marshalBytesFast(dst, mn.MetricGroup)
-	sortMetricTags(mn.Tags)
-	dst = marshalMetricTagsFast(dst, mn.Tags)
-	return dst
+	return marshalMetricTagsSorted(dst, mn)
 }
 
 func marshalMetricTagsSorted(dst []byte, mn *storage.MetricName) []byte {
@@ -358,6 +315,62 @@ func unmarshalBytesFast(src []byte) ([]byte, []byte, error) {
 	return src[n:], src[:n], nil
 }
 
+func float64ToByteSlice(a []float64) (b []byte) {
+	if len(a) == 0 {
+		return nil
+	}
+	sh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
+	sh.Data = uintptr(unsafe.Pointer(&a[0]))
+	sh.Len = len(a) * int(unsafe.Sizeof(a[0]))
+	sh.Cap = sh.Len
+	return
+}
+
+func int64ToByteSlice(a []int64) (b []byte) {
+	if len(a) == 0 {
+		return nil
+	}
+	sh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
+	sh.Data = uintptr(unsafe.Pointer(&a[0]))
+	sh.Len = len(a) * int(unsafe.Sizeof(a[0]))
+	sh.Cap = sh.Len
+	return
+}
+
+func byteSliceToInt64(b []byte) (a []int64) {
+	if len(b) == 0 {
+		return nil
+	}
+	sh := (*reflect.SliceHeader)(unsafe.Pointer(&a))
+	sh.Data = uintptr(unsafe.Pointer(&b[0]))
+	sh.Len = len(b) / int(unsafe.Sizeof(a[0]))
+	sh.Cap = sh.Len
+	// Make sure that the returned slice is properly aligned to 8 bytes.
+	// This prevents from SIGBUS error on arm architectures, which deny unaligned access.
+	// See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3927
+	if sh.Data%8 != 0 {
+		logger.Panicf("BUG: the input byte slice b must be aligned to 8 bytes")
+	}
+	return
+}
+
+func byteSliceToFloat64(b []byte) (a []float64) {
+	if len(b) == 0 {
+		return nil
+	}
+	sh := (*reflect.SliceHeader)(unsafe.Pointer(&a))
+	sh.Data = uintptr(unsafe.Pointer(&b[0]))
+	sh.Len = len(b) / int(unsafe.Sizeof(a[0]))
+	sh.Cap = sh.Len
+	// Make sure that the returned slice is properly aligned to 8 bytes.
+	// This prevents from SIGBUS error on arm architectures, which deny unaligned access.
+	// See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3927
+	if sh.Data%8 != 0 {
+		logger.Panicf("BUG: the input byte slice b must be aligned to 8 bytes")
+	}
+	return
+}
+
 func stringMetricName(mn *storage.MetricName) string {
 	var dst []byte
 	dst = append(dst, mn.MetricGroup...)

app/vmselect/promql/timeseries_test.go

@@ -1,7 +1,6 @@
 package promql
 
 import (
-	"fmt"
 	"os"
 	"reflect"
 	"testing"
@@ -14,91 +13,78 @@ func TestMain(m *testing.M) {
 	os.Exit(n)
 }
 
-func TestTimeseriesMarshalUnmarshalFast(t *testing.T) {
-	t.Run("single", func(t *testing.T) {
-		var tsOrig timeseries
-		buf := tsOrig.marshalFastNoTimestamps(nil)
-		n := tsOrig.marshaledFastSizeNoTimestamps()
-		if n != len(buf) {
-			t.Fatalf("unexpected marshaled size; got %d; want %d", n, len(buf))
-		}
-
-		var tsGot timeseries
-		tail, err := tsGot.unmarshalFastNoTimestamps(buf)
+func TestMarshalTimeseriesFast(t *testing.T) {
+	f := func(tss []*timeseries) {
+		t.Helper()
+		data := marshalTimeseriesFast(nil, tss, 1e9, 10)
+		tss2, err := unmarshalTimeseriesFast(data)
 		if err != nil {
 			t.Fatalf("cannot unmarshal timeseries: %s", err)
 		}
-		if len(tail) > 0 {
-			t.Fatalf("unexpected non-empty tail left: len(tail)=%d; tail=%X", len(tail), tail)
+		if !reflect.DeepEqual(tss, tss2) {
+			t.Fatalf("unexpected timeseries unmarshaled\ngot\n%#v\nwant\n%#v", tss2[0], tss[0])
 		}
-		tsOrig.denyReuse = true
-		tsOrig.MetricName.MetricGroup = []byte{}
-		if !reflect.DeepEqual(&tsOrig, &tsGot) {
-			t.Fatalf("unexpected ts\ngot:\n%s\nwant:\n%s", &tsGot, &tsOrig)
-		}
-	})
-	t.Run("multiple", func(t *testing.T) {
-		var dst []byte
-		var tssOrig []*timeseries
-		timestamps := []int64{2}
-		for i := 0; i < 10; i++ {
-			var ts timeseries
-			ts.denyReuse = true
-			ts.MetricName.MetricGroup = []byte(fmt.Sprintf("metricGroup %d", i))
-			ts.MetricName.Tags = []storage.Tag{{
-				Key:   []byte(fmt.Sprintf("key %d", i)),
-				Value: []byte(fmt.Sprintf("value %d", i)),
-			}}
-			ts.Values = []float64{float64(i) + 0.2}
-			ts.Timestamps = timestamps
+	}
 
-			dstLen := len(dst)
-			dst = ts.marshalFastNoTimestamps(dst)
-			n := ts.marshaledFastSizeNoTimestamps()
-			if n != len(dst)-dstLen {
-				t.Fatalf("unexpected marshaled size on iteration %d; got %d; want %d", i, n, len(dst)-dstLen)
-			}
+	// Single series
+	f([]*timeseries{{
+		MetricName: storage.MetricName{
+			MetricGroup: []byte{},
+		},
+		denyReuse: true,
+	}})
+	f([]*timeseries{{
+		MetricName: storage.MetricName{
+			MetricGroup: []byte("foobar"),
+			Tags: []storage.Tag{
+				{
+					Key:   []byte("tag1"),
+					Value: []byte("value1"),
+				},
+				{
+					Key:   []byte("tag2"),
+					Value: []byte("value2"),
+				},
+			},
+		},
+		Values:     []float64{1, 2, 3.234},
+		Timestamps: []int64{10, 20, 30},
+		denyReuse:  true,
+	}})
 
-			var tsGot timeseries
-			tsGot.Timestamps = ts.Timestamps
-			tail, err := tsGot.unmarshalFastNoTimestamps(dst[dstLen:])
-			if err != nil {
-				t.Fatalf("cannot unmarshal timeseries on iteration %d: %s", i, err)
-			}
-			if len(tail) > 0 {
-				t.Fatalf("unexpected non-empty tail left on iteration %d: len(tail)=%d; tail=%x", i, len(tail), tail)
-			}
-			if !reflect.DeepEqual(&ts, &tsGot) {
-				t.Fatalf("unexpected ts on iteration %d\ngot:\n%s\nwant:\n%s", i, &tsGot, &ts)
-			}
-
-			tssOrig = append(tssOrig, &ts)
-		}
-		buf := marshalTimeseriesFast(nil, tssOrig, 1e6, 123)
-		tssGot, err := unmarshalTimeseriesFast(buf)
-		if err != nil {
-			t.Fatalf("error in unmarshalTimeseriesFast: %s", err)
-		}
-		if !reflect.DeepEqual(tssOrig, tssGot) {
-			t.Fatalf("unexpected unmarshaled timeseries\ngot:\n%s\nwant:\n%s", tssGot, tssOrig)
-		}
-
-		src := dst
-		for i := 0; i < 10; i++ {
-			tsOrig := tssOrig[i]
-			var ts timeseries
-			ts.Timestamps = tsOrig.Timestamps
-			tail, err := ts.unmarshalFastNoTimestamps(src)
-			if err != nil {
-				t.Fatalf("cannot unmarshal timeseries[%d]: %s", i, err)
-			}
-			src = tail
-			if !reflect.DeepEqual(tsOrig, &ts) {
-				t.Fatalf("unexpected ts on iteration %d:\n%+v\nwant:\n%+v", i, &ts, tsOrig)
-			}
-		}
-		if len(src) > 0 {
-			t.Fatalf("unexpected tail left; len(tail)=%d; tail=%X", len(src), src)
-		}
+	// Multiple series
+	f([]*timeseries{
+		{
+			MetricName: storage.MetricName{
+				MetricGroup: []byte("foobar"),
+				Tags: []storage.Tag{
+					{
+						Key:   []byte("tag1"),
+						Value: []byte("value1"),
+					},
+					{
+						Key:   []byte("tag2"),
+						Value: []byte("value2"),
+					},
+				},
+			},
+			Values:     []float64{1, 2.34, -33},
+			Timestamps: []int64{-10, 0, 10},
+			denyReuse:  true,
+		},
+		{
+			MetricName: storage.MetricName{
+				MetricGroup: []byte("baz"),
+				Tags: []storage.Tag{
+					{
+						Key:   []byte("tag12"),
+						Value: []byte("value13"),
+					},
+				},
+			},
+			Values:     []float64{4, 1, 2.34},
+			Timestamps: []int64{-10, 0, 10},
+			denyReuse:  true,
+		},
 	})
 }

app/vmselect/promql/transform.go

@@ -659,6 +659,7 @@ func transformHistogramShare(tfa *transformFuncArg) ([]*timeseries, error) {
 		sort.Slice(xss, func(i, j int) bool {
 			return xss[i].le < xss[j].le
 		})
+		xss = mergeSameLE(xss)
 		dst := xss[0].ts
 		var tsLower, tsUpper *timeseries
 		if len(boundsLabel) > 0 {
@@ -822,8 +823,12 @@ func transformHistogramQuantiles(tfa *transformFuncArg) ([]*timeseries, error) {
 	tssOrig := args[len(args)-1]
 	// Calculate quantile individually per each phi.
 	var rvs []*timeseries
-	for _, phiArg := range phiArgs {
-		phiStr := fmt.Sprintf("%g", phiArg[0].Values[0])
+	for i, phiArg := range phiArgs {
+		phis, err := getScalar(phiArg, i)
+		if err != nil {
+			return nil, fmt.Errorf("cannot parse phi: %w", err)
+		}
+		phiStr := fmt.Sprintf("%g", phis[0])
 		tss := copyTimeseries(tssOrig)
 		tfaTmp := &transformFuncArg{
 			ec: tfa.ec,
@@ -935,6 +940,7 @@ func transformHistogramQuantile(tfa *transformFuncArg) ([]*timeseries, error) {
 		sort.Slice(xss, func(i, j int) bool {
 			return xss[i].le < xss[j].le
 		})
+		xss = mergeSameLE(xss)
 		dst := xss[0].ts
 		var tsLower, tsUpper *timeseries
 		if len(boundsLabel) > 0 {
@@ -1002,6 +1008,7 @@ func fixBrokenBuckets(i int, xss []leTimeseries) {
 	if len(xss) < 2 {
 		return
 	}
+	// Fill NaN in upper buckets with the first non-NaN value found in lower buckets.
 	for j := len(xss) - 1; j >= 0; j-- {
 		v := xss[j].ts.Values[i]
 		if !math.IsNaN(v) {
@@ -1013,6 +1020,8 @@ func fixBrokenBuckets(i int, xss []leTimeseries) {
 			break
 		}
 	}
+	// Substitute lower bucket values with upper values if the lower values are NaN
+	// or are bigger than the upper bucket values.
 	vNext := xss[len(xss)-1].ts.Values[i]
 	for j := len(xss) - 2; j >= 0; j-- {
 		v := xss[j].ts.Values[i]
@@ -1024,6 +1033,26 @@ func fixBrokenBuckets(i int, xss []leTimeseries) {
 	}
 }
 
+func mergeSameLE(xss []leTimeseries) []leTimeseries {
+	// Merge buckets with identical le values.
+	// See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3225
+	xsDst := xss[0]
+	dst := xss[:1]
+	for j := 1; j < len(xss); j++ {
+		xs := xss[j]
+		if xs.le != xsDst.le {
+			dst = append(dst, xs)
+			xsDst = xs
+			continue
+		}
+		dstValues := xsDst.ts.Values
+		for k, v := range xs.ts.Values {
+			dstValues[k] += v
+		}
+	}
+	return dst
+}
+
 func transformHour(t time.Time) int {
 	return t.Hour()
 }
@@ -1844,9 +1873,13 @@ func transformLimitOffset(tfa *transformFuncArg) ([]*timeseries, error) {
 	if err != nil {
 		return nil, fmt.Errorf("cannot obtain offset arg: %w", err)
 	}
-	rvs := args[2]
+	// removeEmptySeries so offset will be calculated after empty series
+	// were filtered out.
+	rvs := removeEmptySeries(args[2])
 	if len(rvs) >= offset {
 		rvs = rvs[offset:]
+	} else {
+		rvs = nil
 	}
 	if len(rvs) > limit {
 		rvs = rvs[:limit]
@@ -2183,17 +2216,13 @@ func transformTimezoneOffset(tfa *transformFuncArg) ([]*timeseries, error) {
 		return nil, fmt.Errorf("cannot load timezone %q: %w", tzString, err)
 	}
 
-	var ts timeseries
-	ts.denyReuse = true
-	timestamps := tfa.ec.getSharedTimestamps()
-	values := make([]float64, len(timestamps))
-	for i, v := range timestamps {
-		_, offset := time.Unix(v/1000, 0).In(loc).Zone()
-		values[i] = float64(offset)
+	tss := evalNumber(tfa.ec, nan)
+	ts := tss[0]
+	for i, timestamp := range ts.Timestamps {
+		_, offset := time.Unix(timestamp/1000, 0).In(loc).Zone()
+		ts.Values[i] = float64(offset)
 	}
-	ts.Values = values
-	ts.Timestamps = timestamps
-	return []*timeseries{&ts}, nil
+	return tss, nil
 }
 
 func transformTime(tfa *transformFuncArg) ([]*timeseries, error) {

app/vmselect/vmui/asset-manifest.json

@@ -1,12 +1,12 @@
 {
   "files": {
     "main.css": "./static/css/main.7e6d0c89.css",
-    "main.js": "./static/js/main.a6398eac.js",
+    "main.js": "./static/js/main.9f52c638.js",
     "static/js/27.939f971b.chunk.js": "./static/js/27.939f971b.chunk.js",
     "index.html": "./index.html"
   },
   "entrypoints": [
     "static/css/main.7e6d0c89.css",
-    "static/js/main.a6398eac.js"
+    "static/js/main.9f52c638.js"
   ]
 }

app/vmselect/vmui/index.html

@@ -1 +1 @@
-<!doctype html><html lang="en"><head><meta charset="utf-8"/><link rel="icon" href="./favicon.ico"/><meta name="viewport" content="width=device-width,initial-scale=1"/><meta name="theme-color" content="#000000"/><meta name="description" content="VM-UI is a metric explorer for Victoria Metrics"/><link rel="apple-touch-icon" href="./apple-touch-icon.png"/><link rel="icon" type="image/png" sizes="32x32" href="./favicon-32x32.png"><link rel="manifest" href="./manifest.json"/><title>VM UI</title><link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap"/><script src="./dashboards/index.js" type="module"></script><script defer="defer" src="./static/js/main.a6398eac.js"></script><link href="./static/css/main.7e6d0c89.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>
+<!doctype html><html lang="en"><head><meta charset="utf-8"/><link rel="icon" href="./favicon.ico"/><meta name="viewport" content="width=device-width,initial-scale=1"/><meta name="theme-color" content="#000000"/><meta name="description" content="VM-UI is a metric explorer for Victoria Metrics"/><link rel="apple-touch-icon" href="./apple-touch-icon.png"/><link rel="icon" type="image/png" sizes="32x32" href="./favicon-32x32.png"><link rel="manifest" href="./manifest.json"/><title>VM UI</title><link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap"/><script src="./dashboards/index.js" type="module"></script><script defer="defer" src="./static/js/main.9f52c638.js"></script><link href="./static/css/main.7e6d0c89.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>

app/vmstorage/main.go

@@ -97,10 +97,10 @@ func InitWithoutMetrics(resetCacheIfNeeded func(mrs []storage.MetricRow)) {
 	storage.SetSmallMergeWorkersCount(*smallMergeConcurrency)
 	storage.SetRetentionTimezoneOffset(*retentionTimezoneOffset)
 	storage.SetFreeDiskSpaceLimit(minFreeDiskSpaceBytes.N)
-	storage.SetTSIDCacheSize(cacheSizeStorageTSID.N)
-	storage.SetTagFilterCacheSize(cacheSizeIndexDBTagFilters.N)
-	mergeset.SetIndexBlocksCacheSize(cacheSizeIndexDBIndexBlocks.N)
-	mergeset.SetDataBlocksCacheSize(cacheSizeIndexDBDataBlocks.N)
+	storage.SetTSIDCacheSize(cacheSizeStorageTSID.IntN())
+	storage.SetTagFilterCacheSize(cacheSizeIndexDBTagFilters.IntN())
+	mergeset.SetIndexBlocksCacheSize(cacheSizeIndexDBIndexBlocks.IntN())
+	mergeset.SetDataBlocksCacheSize(cacheSizeIndexDBDataBlocks.IntN())
 
 	if retentionPeriod.Msecs < 24*3600*1000 {
 		logger.Fatalf("-retentionPeriod cannot be smaller than a day; got %s", retentionPeriod)

app/vmui/Dockerfile-build

@@ -1,4 +1,4 @@
-FROM node:18-alpine3.15
+FROM node:18-alpine3.17
 
 RUN apk update && apk upgrade
 RUN apk add --no-cache bash bash-doc bash-completion libtool autoconf automake nasm pkgconfig libpng gcc make g++ zlib-dev gawk

app/vmui/Dockerfile-web

@@ -1,4 +1,4 @@
-FROM golang:1.18.4 as build-web-stage
+FROM golang:1.20.4 as build-web-stage
 COPY build /build
 
 WORKDIR /build
@@ -6,7 +6,7 @@ COPY web/ /build/
 RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o web-amd64 github.com/VictoriMetrics/vmui/ && \
     GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -o web-windows github.com/VictoriMetrics/vmui/
 
-FROM alpine:3.16.0
+FROM alpine:3.18.0
 USER root
 
 COPY --from=build-web-stage /build/web-amd64 /app/web

app/vmui/packages/vmui/package-lock.json

@@ -13301,9 +13301,9 @@
       }
     },
     "node_modules/loader-utils": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.2.tgz",
-      "integrity": "sha512-TM57VeHptv569d/GKh6TAYdzKblwDNiumOdkFnejjD0XwTH87K90w3O7AiJRqdQoXygvi1VQTJTLGhJl7WqA7A==",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.3.tgz",
+      "integrity": "sha512-THWqIsn8QRnvLl0shHYVBN9syumU8pYWEHPTmkiVGd+7K5eFNVSY6AJhRvgGF70gg1Dz+l/k8WicvFCxdEs60A==",
       "dev": true,
       "peer": true,
       "dependencies": {
@@ -16366,29 +16366,16 @@
       }
     },
     "node_modules/recursive-readdir": {
-      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/recursive-readdir/-/recursive-readdir-2.2.2.tgz",
-      "integrity": "sha512-nRCcW9Sj7NuZwa2XvH9co8NPeXUBhZP7CRKJtU+cS6PW9FpCIFoI5ib0NT1ZrbNuPoRy0ylyCaUL8Gih4LSyFg==",
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/recursive-readdir/-/recursive-readdir-2.2.3.tgz",
+      "integrity": "sha512-8HrF5ZsXk5FAH9dgsx3BlUer73nIhuj+9OrQwEbLTPOBzGkL1lsFCR01am+v+0m2Cmbs1nP12hLDl5FA7EszKA==",
       "dev": true,
       "peer": true,
       "dependencies": {
-        "minimatch": "3.0.4"
+        "minimatch": "^3.0.5"
       },
       "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/recursive-readdir/node_modules/minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-      "dev": true,
-      "peer": true,
-      "dependencies": {
-        "brace-expansion": "^1.1.7"
-      },
-      "engines": {
-        "node": "*"
+        "node": ">=6.0.0"
       }
     },
     "node_modules/redent": {
@@ -29424,9 +29411,9 @@
       "peer": true
     },
     "loader-utils": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.2.tgz",
-      "integrity": "sha512-TM57VeHptv569d/GKh6TAYdzKblwDNiumOdkFnejjD0XwTH87K90w3O7AiJRqdQoXygvi1VQTJTLGhJl7WqA7A==",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.3.tgz",
+      "integrity": "sha512-THWqIsn8QRnvLl0shHYVBN9syumU8pYWEHPTmkiVGd+7K5eFNVSY6AJhRvgGF70gg1Dz+l/k8WicvFCxdEs60A==",
       "dev": true,
       "peer": true,
       "requires": {
@@ -31614,25 +31601,13 @@
       }
     },
     "recursive-readdir": {
-      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/recursive-readdir/-/recursive-readdir-2.2.2.tgz",
-      "integrity": "sha512-nRCcW9Sj7NuZwa2XvH9co8NPeXUBhZP7CRKJtU+cS6PW9FpCIFoI5ib0NT1ZrbNuPoRy0ylyCaUL8Gih4LSyFg==",
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/recursive-readdir/-/recursive-readdir-2.2.3.tgz",
+      "integrity": "sha512-8HrF5ZsXk5FAH9dgsx3BlUer73nIhuj+9OrQwEbLTPOBzGkL1lsFCR01am+v+0m2Cmbs1nP12hLDl5FA7EszKA==",
       "dev": true,
       "peer": true,
       "requires": {
-        "minimatch": "3.0.4"
-      },
-      "dependencies": {
-        "minimatch": {
-          "version": "3.0.4",
-          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-          "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-          "dev": true,
-          "peer": true,
-          "requires": {
-            "brace-expansion": "^1.1.7"
-          }
-        }
+        "minimatch": "^3.0.5"
       }
     },
     "redent": {

app/vmui/packages/vmui/src/components/CustomPanel/Configurator/Time/TimeSelector.tsx

@@ -110,7 +110,9 @@ export const TimeSelector: FC = () => {
       open={open}
       anchorEl={anchorEl}
       placement="bottom-end"
-      modifiers={[{name: "offset", options: {offset: [0, 6]}}]}>
+      modifiers={[{name: "offset", options: {offset: [0, 6]}}]}
+      sx={{zIndex: 3, position: "relative"}}
+    >
       <ClickAwayListener onClickAway={() => setAnchorEl(null)}>
         <Paper elevation={3}>
           <Box sx={classes.container}>

app/vmui/packages/vmui/src/hooks/useFetchQuery.ts

@@ -50,9 +50,10 @@ export const useFetchQuery = ({predefinedQuery, visible, display, customStep}: F
   const fetchData = async (fetchUrl: string[], fetchQueue: AbortController[], displayType: DisplayType, query: string[]) => {
     const controller = new AbortController();
     setFetchQueue([...fetchQueue, controller]);
+    const isDisplayChart = displayType === "chart";
     try {
       const responses = await Promise.all(fetchUrl.map(url => fetch(url, {signal: controller.signal})));
-      const tempData = [];
+      const tempData: MetricBase[] = [];
       const tempTraces: Trace[] = [];
       let counter = 1;
       for await (const response of responses) {
@@ -63,16 +64,16 @@ export const useFetchQuery = ({predefinedQuery, visible, display, customStep}: F
             const trace = new Trace(resp.trace, query[counter-1]);
             tempTraces.push(trace);
           }
-          tempData.push(...resp.data.result.map((d: MetricBase) => {
+          resp.data.result.forEach((d: MetricBase) => {
             d.group = counter;
-            return d;
-          }));
+            tempData.push(d);
+          });
           counter++;
         } else {
           setError(`${resp.errorType}\r\n${resp?.error}`);
         }
       }
-      displayType === "chart" ? setGraphData(tempData) : setLiveData(tempData);
+      isDisplayChart ? setGraphData(tempData as MetricResult[]) : setLiveData(tempData as InstantMetricResult[]);
       setTraces(tempTraces);
     } catch (e) {
       if (e instanceof Error && e.name !== "AbortError") {

dashboards/vmagent.json

@@ -6,7 +6,7 @@
       "type": "grafana",
       "id": "grafana",
       "name": "Grafana",
-      "version": "8.5.3"
+      "version": "8.4.4"
     },
     {
       "type": "panel",
@@ -61,12 +61,12 @@
       }
     ]
   },
-  "description": "Overview for VictoriaMetrics vmagent v1.73.0 or higher",
+  "description": "Overview for VictoriaMetrics vmagent v1.79.0 or higher",
   "editable": true,
   "fiscalYearStartMonth": 0,
   "graphTooltip": 1,
   "id": null,
-  "iteration": 1656943336787,
+  "iteration": 1657810604530,
   "links": [
     {
       "icon": "doc",
@@ -154,7 +154,7 @@
         "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "targets": [
         {
           "expr": "sum(vm_promscrape_targets{job=~\"$job\", instance=~\"$instance\", status=\"up\"})",
@@ -218,7 +218,7 @@
         "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "targets": [
         {
           "expr": "sum(vm_promscrape_targets{job=~\"$job\", instance=~\"$instance\", status=\"down\"})",
@@ -285,7 +285,7 @@
         "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "targets": [
         {
           "expr": "sum(increase(vm_log_messages_total{job=~\"$job\", instance=~\"$instance\", level!=\"info\"}[30m]))",
@@ -344,7 +344,7 @@
         "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "targets": [
         {
           "expr": "sum(vm_persistentqueue_bytes_pending{job=~\"$job\", instance=~\"$instance\"})",
@@ -490,7 +490,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -589,7 +589,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -702,7 +702,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -805,7 +805,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -946,7 +946,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -1039,7 +1039,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -1138,7 +1138,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -1237,7 +1237,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -1344,7 +1344,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.5.3",
+      "pluginVersion": "8.4.4",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -2457,7 +2457,7 @@
             "h": 8,
             "w": 12,
             "x": 0,
-            "y": 4
+            "y": 43
           },
           "hiddenSeries": false,
           "id": 60,
@@ -2480,7 +2480,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.5.3",
+          "pluginVersion": "8.4.4",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2555,7 +2555,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 4
+            "y": 43
           },
           "hiddenSeries": false,
           "id": 66,
@@ -2578,7 +2578,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.5.3",
+          "pluginVersion": "8.4.4",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2652,7 +2652,7 @@
             "h": 8,
             "w": 12,
             "x": 0,
-            "y": 12
+            "y": 51
           },
           "hiddenSeries": false,
           "id": 61,
@@ -2675,7 +2675,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.5.3",
+          "pluginVersion": "8.4.4",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2748,7 +2748,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 12
+            "y": 51
           },
           "hiddenSeries": false,
           "id": 65,
@@ -2771,7 +2771,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.5.3",
+          "pluginVersion": "8.4.4",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2837,7 +2837,7 @@
             "h": 8,
             "w": 12,
             "x": 0,
-            "y": 20
+            "y": 59
           },
           "heatmap": {},
           "hideZeroBuckets": false,
@@ -2881,9 +2881,10 @@
           "dashLength": 10,
           "dashes": false,
           "datasource": {
+            "type": "prometheus",
             "uid": "$ds"
           },
-          "description": "Shows saturation of every connection to remote storage. If the threshold of 0.9sec is reached, then the connection is saturated by more than 90% and vmagent won't be able to keep up. This usually means that `-remoteWrite.queues` command-line flag must be increased in order to increase the number of connections per each remote storage.\n",
+          "description": "Shows saturation of every connection to remote storage. If the threshold of 90% is reached, then the connection is saturated (busy or slow) by more than 90%, so vmagent won't be able to keep up and can start buffering data. \n\nThis usually means that `-remoteWrite.queues` command-line flag must be increased in order to increase the number of connections per each remote storage.\n",
           "fieldConfig": {
             "defaults": {
               "links": []
@@ -2896,7 +2897,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 20
+            "y": 59
           },
           "hiddenSeries": false,
           "id": 84,
@@ -2919,7 +2920,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.5.3",
+          "pluginVersion": "8.4.4",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2930,7 +2931,7 @@
           "targets": [
             {
               "exemplar": true,
-              "expr": "sum(rate(vmagent_remotewrite_send_duration_seconds_total{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}[$__rate_interval])) by (instance, url)",
+              "expr": "sum(rate(vmagent_remotewrite_send_duration_seconds_total{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}[$__rate_interval])) by (instance, url)\n/\nmax(vmagent_remotewrite_queues{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}) by(instance, url)",
               "interval": "",
               "legendFormat": "",
               "refId": "A"
@@ -2943,7 +2944,7 @@
               "fill": true,
               "line": true,
               "op": "gt",
-              "value": 0.9,
+              "value": 90,
               "yaxis": "left"
             }
           ],
@@ -2963,7 +2964,7 @@
           "yaxes": [
             {
               "$$hashKey": "object:662",
-              "format": "s",
+              "format": "percentunit",
               "logBase": 1,
               "min": "0",
               "show": true
@@ -2997,7 +2998,7 @@
             "h": 8,
             "w": 12,
             "x": 0,
-            "y": 28
+            "y": 67
           },
           "heatmap": {},
           "hideZeroBuckets": false,
@@ -3053,7 +3054,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 28
+            "y": 67
           },
           "heatmap": {},
           "hideZeroBuckets": false,
@@ -3104,7 +3105,7 @@
             "h": 8,
             "w": 12,
             "x": 0,
-            "y": 36
+            "y": 75
           },
           "hiddenSeries": false,
           "id": 88,
@@ -3124,7 +3125,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.5.3",
+          "pluginVersion": "8.4.4",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -3207,7 +3208,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 36
+            "y": 75
           },
           "hiddenSeries": false,
           "id": 90,
@@ -3227,7 +3228,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.5.3",
+          "pluginVersion": "8.4.4",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -4567,7 +4568,7 @@
     }
   ],
   "refresh": "",
-  "schemaVersion": 36,
+  "schemaVersion": 35,
   "style": "dark",
   "tags": [
     "vmagent",
@@ -4577,7 +4578,9 @@
     "list": [
       {
         "current": {
-          "selected": false
+          "selected": true,
+          "text": "VM",
+          "value": "VM"
         },
         "hide": 0,
         "includeAll": false,

deployment/docker/Makefile

@@ -2,9 +2,14 @@
 
 DOCKER_NAMESPACE := victoriametrics
 
-ROOT_IMAGE ?= alpine:3.16.0
-CERTS_IMAGE := alpine:3.16.0
-GO_BUILDER_IMAGE := golang:1.18.4-alpine
+ROOT_IMAGE ?= alpine:3.18.0
+
+# Use alpine:3.17.3 instead of 3.18.0 for CERTS_IMAGE
+# because alpine:3.18.0 is broken for cross-platform builds
+# TODO: sync it with ROOT_IMAGE when it will be fixed in the new alpine releases
+CERTS_IMAGE := alpine:3.17.3
+
+GO_BUILDER_IMAGE := golang:1.20.4-alpine
 BUILDER_IMAGE := local/builder:2.0.0-$(shell echo $(GO_BUILDER_IMAGE) | tr :/ __)-1
 BASE_IMAGE := local/base:1.1.3-$(shell echo $(ROOT_IMAGE) | tr :/ __)-$(shell echo $(CERTS_IMAGE) | tr :/ __)
 
@@ -74,7 +79,6 @@ publish-via-docker: \
 		--build-arg root_image=$(ROOT_IMAGE) \
 		--build-arg APP_NAME=$(APP_NAME) \
 		--tag $(DOCKER_NAMESPACE)/$(APP_NAME):$(PKG_TAG)$(RACE) \
-		--tag $(DOCKER_NAMESPACE)/$(APP_NAME):latest$(RACE) \
 		-o type=image \
 		-f app/$(APP_NAME)/multiarch/Dockerfile \
 		--push \

deployment/docker/alerts.yml

@@ -270,7 +270,9 @@ groups:
             Ensure that destination is up and reachable."
 
       - alert: RemoteWriteConnectionIsSaturated
-        expr: rate(vmagent_remotewrite_send_duration_seconds_total[5m]) > 0.9
+        expr: |
+          sum(rate(vmagent_remotewrite_send_duration_seconds_total[5m])) by(job, instance, url) 
+          > 0.9 * max(vmagent_remotewrite_queues) by(job, instance, url)
         for: 15m
         labels:
           severity: warning

deployment/docker/docker-compose.yml

@@ -72,7 +72,8 @@ services:
       - "--rule=/etc/alerts/*.yml"
       # display source of alerts in grafana
       - "--external.url=http://127.0.0.1:3000" #grafana outside container
-      - '--external.alert.source=explore?orgId=1&left=["now-1h","now","VictoriaMetrics",{"expr":"{{$$expr|quotesEscape|crlfEscape|queryEscape}}"},{"mode":"Metrics"},{"ui":[true,true,true,"none"]}]' ## when copypaste the line be aware of '$$' for escaping in '$expr'
+      # when copypaste the line be aware of '$$' for escaping in '$expr'
+      - '--external.alert.source=explore?orgId=1&left=["now-1h","now","VictoriaMetrics",{"expr":{{$$expr|jsonEscape|queryEscape}} },{"mode":"Metrics"},{"ui":[true,true,true,"none"]}]'
     networks:
       - vm_net
     restart: always

docs/CHANGELOG.md

@@ -13,11 +13,210 @@ The following tip changes can be tested by building VictoriaMetrics components f
 * [How to build vmauth](https://docs.victoriametrics.com/vmauth.html#how-to-build-from-sources)
 * [How to build vmctl](https://docs.victoriametrics.com/vmctl.html#how-to-build)
 
-## tip
+## v1.79.x long-time support release (LTS)
+
+## [v1.79.13](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.13)
+
+Released at 2023-05-18
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* SECURITY: upgrade Go builder from Go1.20.3 to Go1.20.4. See [the list of issues addressed in Go1.20.4](https://github.com/golang/go/issues?q=milestone%3AGo1.20.4+label%3ACherryPickApproved).
+* SECURITY: upgrade base docker image (alpine) from 3.17.3 to 3.18.0. See [alpine 3.18.0 release notes](https://www.alpinelinux.org/posts/Alpine-3.18.0-released.html).
+* SECURITY: serve `/robots.txt` content to disallow indexing of the exposed instances by search engines. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4128) for details.
+
+## [v1.79.12](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.12)
+
+Released at 2023-04-06
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* SECURITY: upgrade base docker image (alpine) from 3.17.2 to 3.17.3. See [alpine 3.17.3 release notes](https://alpinelinux.org/posts/Alpine-3.17.3-released.html).
+* SECURITY: upgrade Go builder from Go1.20.2 to Go1.20.3. See [the list of issues addressed in Go1.20.3](https://github.com/golang/go/issues?q=milestone%3AGo1.20.3+label%3ACherryPickApproved).
+
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmgent.html): fix CPU and memory usage spikes when files pointed by [file_sd_config](https://docs.victoriametrics.com/sd_configs.html#file_sd_configs) cannot be re-read. See [this_issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3989).
+* BUGFIX: prevent unexpected merges on start-up when `-storage.minFreeDiskSpaceBytes` is set. See [the issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4023).
+* BUGFIX: verify response code when fetching configuration files via HTTP. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4034).
+
+## [v1.79.11](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.11)
+
+Released at 2023-03-12
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* SECURITY: upgrade Go builder from Go1.20.1 to Go1.20.2. See [the list of issues addressed in Go1.20.2](https://github.com/golang/go/issues?q=milestone%3AGo1.20.2+label%3ACherryPickApproved).
+
+* BUGFIX: fix a bug, which could lead to incomplete or empty results for heavy queries selecting tens of thousands of time series. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3946).
+* BUGFIX: [VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html): properly take into account `-rpc.disableCompression` command-line flag at `vmstorage`. It was ignored since [v1.78.0](https://docs.victoriametrics.com/CHANGELOG.html#v1780). See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3932).
+* BUGFIX: prevent from possible `SIGBUS` crash on ARM architectures (Raspberry Pi), which deny unaligned access to 8-byte words. Thanks to @oliverpool for narrowing down the issue and for [the initial attempt to fix it](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3927).
+
+## [v1.79.10](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.10)
+
+Released at 2023-02-27
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* BUGFIX: prevent from high CPU usage on the first UTC hour of the data. The issue has been introduced in [v1.79.5](https://docs.victoriametrics.com/CHANGELOG.html#v1795) when fixing [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3309).
+
+
+## [v1.79.9](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.9)
+
+Released at 2023-02-24
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* SECURITY: upgrade base docker image (alpine) from 3.17.1 to 3.17.2. See [alpine 3.17.2 release notes](https://alpinelinux.org/posts/Alpine-3.17.2-released.html).
+* SECURITY: upgrade Go builder from Go1.20.0 to Go1.20.1. See [the list of issues addressed in Go1.20.1](https://github.com/golang/go/issues?q=milestone%3AGo1.20.1+label%3ACherryPickApproved).
+
+* BUGFIX: properly parse timestamps in milliseconds when [ingesting data via OpenTSDB telnet put protocol](https://docs.victoriametrics.com/#sending-data-via-telnet-put-protocol). Previously timestamps in milliseconds were mistakenly multiplied by 1000. Thanks to @Droxenator for the [pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3810).
+
+## [v1.79.8](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.8)
+
+Released at 2023-02-03
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* BUGFIX: fix a bug, which could prevent background merges for the previous partitions until restart if the storage didn't have enough disk space for final deduplication and down-sampling.
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): update API version for [ec2_sd_configs](https://docs.victoriametrics.com/sd_configs.html#ec2_sd_configs) to fix [the issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3700) with missing `__meta_ec2_availability_zone_id` attribute.
+* BUGFIX: [VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html): fix panic on top-level vmselect nodes of [multi-level setup](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#multi-level-cluster-setup) when the `-replicationFactor` flag is set and request contains `trace` query parameter. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3734).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): [dockerswarm_sd_configs](https://docs.victoriametrics.com/sd_configs.html#dockerswarm_sd_configs): apply `filters` only to objects of the specified `role`. Previously filters were applied to all the objects, which could cause errors when different types of objects were used with filters that were not compatible with them. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3579).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): suppress all the scrape errors when `-promscrape.suppressScrapeErrors` is enabled. Previously some scrape errors were logged even if `-promscrape.suppressScrapeErrors` flag was set.
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): consistently put the scrape url with scrape target labels to all error logs for failed scrapes. Previously some failed scrapes were logged without this information.
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): properly parse `M` and `Mi` suffixes as `1e6` multipliers in `1M` and `1Mi` numeric constants. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3664). The issue has been introduced in [v1.79.7](https://docs.victoriametrics.com/CHANGELOG.html#v1797).
+
+## [v1.79.7](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.7)
+
+Released at 2023-01-10
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* BUGFIX: properly parse floating-point numbers without integer or fractional parts such as `.123` and `20.` during [data import](https://docs.victoriametrics.com/#how-to-import-time-series-data). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3544).
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): properly parse durations with uppercase suffixes such as `10S`, `5MS`, `1W`, etc. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3589).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): [dockerswarm_sd_configs](https://docs.victoriametrics.com/sd_configs.html#dockerswarm_sd_configs): properly encode `filters` field. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3579)
+* BUGFIX: allow specifying values bigger than 2GiB to the following command-line flag values on 32-bit architectures (`386` and `arm`): `-storage.minFreeDiskSpaceBytes` and `-remoteWrite.maxDiskUsagePerURL`. Previously values bigger than 2GiB were incorrectly truncated on these architectures.
+* BUGFIX: [VictoriaMetrics enterprise](https://docs.victoriametrics.com/enterprise.html): expose proper values for `vm_downsampling_partitions_scheduled` and `vm_downsampling_partitions_scheduled_size_bytes` metrics, which were added at [v1.78.0](https://docs.victoriametrics.com/CHANGELOG.html#v1780). See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2612).
+* BUGFIX: [DataDog protocol parser](https://docs.victoriametrics.com/#how-to-send-data-from-datadog-agent): do not re-use `host` and `device` fields from the previously parsed messages if these fields are missing in the currently parsed message. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3432).
+
+
+## [v1.79.6](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.6)
+
+Released at 2022-12-11
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* SECURITY: update Go builder from v1.19.3 to v1.19.4. See [the changelog](https://github.com/golang/go/issues?q=milestone%3AGo1.19.4+label%3ACherryPickApproved).
+* SECURITY: update base Docker image for VictoriaMetrics components from Alpine 3.16.2 to Alpine v3.17.0. See [the changelog](https://alpinelinux.org/releases/).
+
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): fix the `The request did not have a subscription or a valid tenant level resource provider` error when discovering Azure targets with [azure_sd_configs](https://docs.victoriametrics.com/sd_configs.html#azure_sd_configs). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3247).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): properly discover GCE zones when `filter` option is set at [gce_sd_configs](https://docs.victoriametrics.com/sd_configs.html#gce_sd_configs). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3202).
+* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): properly specify rule evaluation step during the [replay mode](https://docs.victoriametrics.com/vmalert.html#rules-backfilling). The `step` value was previously overriden by `-datasource.queryStep` command-line flag.
+* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): properly return the error message from remote-write failures. Before, error was ignored and only `vmalert_remotewrite_errors_total` was incremented.
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): properly return an empty result from [limit_offset](https://docs.victoriametrics.com/MetricsQL.html#limit_offset) if the `offset` arg exceeds the number of inner time series. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3312).
+
+## [v1.79.5](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.5)
+
+Released at 2022-11-10
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+**Update note 1:** [vmalert](https://docs.victoriametrics.com/vmalert.html): the `crlfEscape` [template function](https://docs.victoriametrics.com/vmalert.html#template-functions) becames obsolete starting from this release. It can be safely removed from alerting templates, since `\n` chars are properly escaped with other `*Escape` functions now. See [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3139) and [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/890) issue for details.
+
+* SECURITY: update Go builder to v1.19.3. This fixes [CVE-2022 security issue](https://github.com/golang/go/issues/56328). See [the changelog](https://github.com/golang/go/issues?q=milestone%3AGo1.19.3+label%3ACherryPickApproved).
+
+* BUGFIX: properly register new time series in per-day inverted index if they were ingested during the last 10 seconds of the day. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3309). Thanks to @lmarszal for the bugreport and for the [initial fix](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3320).
+* BUGFIX: properly accept [OpenTSDB telnet put lines](https://docs.victoriametrics.com/#sending-data-via-telnet-put-protocol) without tags without the need to specify the trailing whitespace. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3290).
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): properly merge buckets with identical `le` values, but with different string representation of these values when calculating [histogram_quantile](https://docs.victoriametrics.com/MetricsQL.html#histogram_quantile) and [histogram_share](https://docs.victoriametrics.com/MetricsQL.html#histogram_share). For example, `http_request_duration_seconds_bucket{le="5"}` and `http_requests_duration_seconds_bucket{le="5.0"}`. Such buckets may be returned from distinct targets. Thanks to @647-coder for the [pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3225).
+* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): change severity level for log messages about failed attempts for sending data to remote storage from `error` to `warn`. The message for about all failed send attempts remains at `error` severity level.
+* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): properly escape string passed to `quotesEscape` [template function](https://docs.victoriametrics.com/vmalert.html#template-functions), so it can be safely embedded into JSON string. This makes obsolete the `crlfEscape` function. See [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3139) and [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/890) issue.
+* BUGFIX: `vmselect`: expose missing metric `vm_cache_size_max_bytes{type="promql/rollupResult"}` . This metric is used for monitoring rollup cache usage with the query `vm_cache_size_bytes{type="promql/rollupResult"} / vm_cache_size_max_bytes{type="promql/rollupResult"}` in the same way as this is done for other cache types.
+
+
+## [v1.79.4](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.4)
+
+Released at 2022-10-07
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+**Update note 1:** [vmalert](https://docs.victoriametrics.com/vmalert.html) changes default value for command-line flag `-datasource.queryStep` from `0s` to `5m`. The change supposed to improve reliability of the rules evaluation when evaluation interval is lower than scraping interval.
+
+* FEATURE: expose `vmagent_remotewrite_queues` metric and use it in alerting rules in order to improve the detection of remote storage connection saturation. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2871).
+
+* BUGFIX: do not export stale metrics via [/federate api](https://docs.victoriametrics.com/#federation) after the staleness markers. Previously such metrics were exported with `NaN` values. this could break some setups. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3185).
+* BUGFIX: [vmauth](https://docs.victoriametrics.com/vmauth.html): properly handle request paths ending with `/` such as `/vmui/`. Previously `vmui` was dropping the traling `/`, which could prevent from using `vmui` via `vmauth`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1752).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): properly encode query params for aws signed requests, use `%20` instead of `+` as api requires. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3171).
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): properly calculate `rate_over_sum(m[d])` as `sum_over_time(m[d])/d`. Previously the `sum_over_time(m[d])` could be improperly divided by smaller than `d` time range. See [rate_over_sum() docs](https://docs.victoriametrics.com/MetricsQL.html#rate_over_sum) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3045).
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): properly calculate `increase(m[d])` over slow-changing counters with values smaller than 100. Previously [increase](https://docs.victoriametrics.com/MetricsQL.html#increase) could return unexpectedly big results in this case. See [the related issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/962) and [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3163).
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): ignore empty series when applying [limit_offset](https://docs.victoriametrics.com/MetricsQL.html#limit_offset). It should improve queries with additional filters by value in expressions like `limit_offset(1,1, foo > 1)`.
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): properly calculate [quantiles_over_time](https://docs.victoriametrics.com/MetricsQL.html#quantiles_over_time) when the lookbehind window contains only a single sample. Previously an empty result was incorrectly returned in this case.
+* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix `RangeError: Maximum call stack size exceeded` error when the query returns too many data points at `Table` view. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3092/files).
+* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): re-evaluate annotations per each alert evaluation. Previously, annotations were evaluated only on alert's value change. This could result in stale annotations in some cases described in [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3119).
+* BUGFIX: prevent from excessive CPU usage when the storage enters [read-only mode](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#readonly-mode). The previous fix in [v1.79.3](https://docs.victoriametrics.com/CHANGELOG.html#v1793) wasn't complete.
+* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): change default value for command-line flag `-datasource.queryStep` from `0s` to `5m`. Param `step` is added by vmalert to every rule evaluation request sent to datasource. Before this change, `step` was equal to group's evaluation interval by default. Param `step` for instant queries defines how far VM can look back for the last written data point. The change supposed to improve reliability of the rules evaluation when evaluation interval is lower than scraping interval.
+* BUGFIX: properly calculate `vm_rows_scanned_per_query` histogram exported at `/metrics` page of `vmselect` and single-node VictoriaMetrics. Previously it could return misleadingly high numbers for [rollup functions](https://docs.victoriametrics.com/MetricsQL.html#rollup-functions), which scan only a few samples on the provided lookbehind window in square brackets. For example, `increase(m[1d])` always scans only 2 rows (aka `raw samples`) per each returned time series.
+
+
+## [v1.79.3](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.3)
+
+Released at 2022-08-30
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* SECURITY: [vmalert](https://docs.victoriametrics.com/vmalert.html): do not expose `-remoteWrite.url`, `-remoteRead.url` and `-datasource.url` command-line flag values in logs and at `http://vmalert:8880/flags` page by default, since they may contain sensitive data such as auth keys. This aligns `vmalert` behaviour with [vmagent](), which doesn't expose `-remoteWrite.url` command-line flag value in logs and at `http://vmagent:8429/flags` page by default. Specify `-remoteWrite.showURL`, `-remoteRead.showURL` and `-datasource.showURL` command-line flags for showing values for the corresponding `-*.url` flags in logs. Thanks to @mble for [the pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2965).
+* SECURITY: upgrade base docker image (alpine) from 3.16.1 to 3.16.2. See [alpine 3.16.2 release notes](https://alpinelinux.org/posts/Alpine-3.13.12-3.14.8-3.15.6-3.16.2-released.html).
+
+* BUGFIX: prevent from excess CPU usage when the storage enters [read-only mode](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#readonly-mode).
+* BUGFIX: improve performance for requests to [/api/v1/labels](https://docs.victoriametrics.com/url-examples.html#apiv1labels) and [/api/v1/label/.../values](https://docs.victoriametrics.com/url-examples.html#apiv1labelvalues) when the filter in the `match[]` query arg matches small number of time series. The performance for this case has been reduced in [v1.78.0](https://docs.victoriametrics.com/CHANGELOG.html#v1780). See [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2978) and [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1533) issues.
+* BUGFIX: increase the default limit on the number of concurrent merges for small parts from 8 to 16. This should help resolving potential issues with heavy data ingestion. See [this comment](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2673#issuecomment-1218185978) from @lukepalmer .
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): fix panic when incorrect arg is passed as `phi` into [histogram_quantiles](https://docs.victoriametrics.com/MetricsQL.html#histogram_quantiles) function. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3026).
+
+## [v1.79.2](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.2)
+
+Released at 2022-08-08
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* BUGFIX: [VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html): fix potential panic in [multi-level cluster setup](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#multi-level-cluster-setup) when top-level `vmselect` is configured with `-replicationFactor` bigger than 1. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2961).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): properly handle custom `endpoint` value in [ec2_sd_configs](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#ec2_sd_config). It was ignored since [v1.77.0](https://docs.victoriametrics.com/CHANGELOG.html#v1770) because of a bug in the implementation of [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1287).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): add missing `__meta_kubernetes_ingress_class_name` meta-label for `role: ingress` service discovery in Kubernetes. See [this commit from Prometheus](https://github.com/prometheus/prometheus/commit/7e65ad3e432bd2837c17e3e63e85dcbcc30f4a8a).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): allow stale responses from Consul service discovery (aka [consul_sd_configs](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#consul_sd_config)) by default in the same way as Prometheus does. This should reduce load on Consul when discovering big number of targets. Stale responses can be disabled by specifying `allow_stale: false` option in `consul_sd_config`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2940).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): [dockerswarm_sd_configs](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#dockerswarm_sd_config): properly set `__meta_dockerswarm_container_label_*` labels instead of `__meta_dockerswarm_task_label_*` labels as Prometheus does. See [this issue](https://github.com/prometheus/prometheus/issues/9187).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): set `up` metric to `0` for partial scrapes in [stream parsing mode](https://docs.victoriametrics.com/vmagent.html#stream-parsing-mode). Previously the `up` metric was set to `1` when at least a single metric has been scraped before the error. This aligns the behaviour of `vmselect` with Prometheus.
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): restart all the scrape jobs during [config reload](https://docs.victoriametrics.com/vmagent.html#configuration-update) after `global` section is changed inside `-promscrape.config`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2884).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): properly assume role with AWS ECS credentials. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2875). Thanks to @transacid for [the fix](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2876).
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): do not split regex in [relabeling rules](https://docs.victoriametrics.com/vmagent.html#relabeling) into multiple lines if it contains groups. This fixes [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2928).
+* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): return series from `q1` if `q2` doesn't return matching time series in the query `q1 ifnot q2`. Previously series from `q1` weren't returned in this case.
+* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): properly show date picker at `Table` tab. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2874).
+* BUGFIX: properly generate http redirects if `-http.pathPrefix` command-line flag is set. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2918).
+
+
+## [v1.79.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.1)
+
+Released at 2022-08-02
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
+
+* SECURITY: upgrade base docker image (alpine) from 3.16.0 to 3.16.1 . See [alpine 3.16.1 release notes](https://alpinelinux.org/posts/Alpine-3.16.1-released.html).
+
 
 ## [v1.79.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.0)
 
-Released at 14-07-2022
+Released at 2022-07-14
+
+**v1.79.x is a line of LTS releases (e.g. long-time support). It contains important up-to-date bugfixes.
+The v1.79.x line will be supported for at least 12 months since [v1.79.0](https://docs.victoriametrics.com/CHANGELOG.html#v1790) release**
 
 **Update note 1:** this release introduces backwards-incompatible changes to `vm_partial_results_total` metric by changing its labels to be consistent with `vm_requests_total` metric. If you use alerting rules or Grafana dashboards, which rely on this metric, then they must be updated. The official dashboards for VictoriaMetrics don't use this metric.
 
@@ -89,7 +288,7 @@ scrape_configs:
 
 ## [v1.78.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.78.1)
 
-Released at 08-07-2022
+Released at 2022-07-08
 
 **Update notes:** it is recommended [clearing caches](https://docs.victoriametrics.com/#cache-removal) after the upgrade from [v1.78.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.78.0) in order to immediately fix the issue for newly ingested data. Otherwise the issue may exist for newly ingested data for up to a day after the upgrade.
 
@@ -97,9 +296,9 @@ Released at 08-07-2022
 
 ## [v1.78.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.78.0)
 
-Released at 20-06-2022
+Released at 2022-06-20
 
-**Warning (03-07-2022):** VictoriaMetrics v1.78.0 contains a bug, which may result in missing time series during queries. It is recommended upgrading to [v1.78.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.78.1), which fixes the bug.
+**Warning (2022-07-03):** VictoriaMetrics v1.78.0 contains a bug, which may result in missing time series during queries. It is recommended upgrading to [v1.78.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.78.1), which fixes the bug.
 
 **Update notes:** this release introduces backwards-incompatible changes to communication protocol between `vmselect` and `vmstorage` nodes in cluster version of VictoriaMetrics because of added [query tracing](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#query-tracing), so read requests to `vmselect` will fail until the upgrade is complete. These errors will stop after all the `vmselect` and `vmstorage` nodes are updated to the new release. It is safe to downgrade to previous releases.
 
@@ -142,7 +341,7 @@ Released at 20-06-2022
 
 ## [v1.77.2](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.77.2)
 
-Released at 21-05-2022
+Released at 2022-05-21
 
 * FEATURE: [vmalert](https://docs.victoriametrics.com/vmalert.html): support [reusable templates](https://prometheus.io/docs/prometheus/latest/configuration/template_examples/#defining-reusable-templates) for rules annotations. The path to the template files can be specified via `-rule.templates` flag. See more about this feature [here](https://docs.victoriametrics.com/vmalert.html#reusable-templates). Thanks to @AndrewChubatiuk for [the pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2532). See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2510).
 * FEATURE: [vmalert](https://docs.victoriametrics.com/vmalert.html): expose `vmalert_iteration_interval_seconds` metric at `http://vmalert:8880/metrics`. This metric shows the configured per-group evaluation interval. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2618).
@@ -161,7 +360,7 @@ Released at 21-05-2022
 
 ## [v1.77.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.77.1)
 
-Released at 07-05-2022
+Released at 2022-05-07
 
 * FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): add ability to specify filters for Availability Zones in [ec2_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#ec2_sd_config) via `az_filters` section. This section can contain AZ-specific set of filters in the same way as the existing `filters` section, which is used for filtering EC2 instances. The list of supported AZ-specific filters is available [here](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeAvailabilityZones.html).
 * FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): expose `vmagent_remotewrite_global_rows_pushed_before_relabel_total` and `vmagent_remotewrite_rows_pushed_after_relabel_total` metrics at `http://vmagent:8429/metrics`, which can be used for monitoring the rate of rows (aka samples) pushed to remote storage before and after the relabeling via `-remoteWrite.relabelConfig` and `-remoteWrite.urlRelabelConfig`. See [relabeling docs](https://docs.victoriametrics.com/vmagent.html#relabeling) for details.
@@ -179,7 +378,7 @@ Released at 07-05-2022
 
 ## [v1.77.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.77.0)
 
-Released at 05-05-2022
+Released at 2022-05-05
 
 * FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): add support for sending data to remote storage with AWS sigv4 authorization. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1287).
 * FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): allow filtering targets by target url and by target labels with [time series selector](https://prometheus.io/docs/prometheus/latest/querying/basics/#time-series-selectors) on `http://vmagent:8429/targets` page. This may be useful when `vmagent` scrapes big number of targets. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1796).
@@ -221,7 +420,7 @@ Released at 05-05-2022
 
 ## [v1.76.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.76.1)
 
-Released at 12-04-2022
+Released at 2022-04-12
 
 **Update notes:** this release introduces backwards-incompatible changes to communication protocol between `vmselect` and `vmstorage` nodes in cluster version of VictoriaMetrics, so read requests to `vmselect` will fail until the upgrade is complete. These errors will stop after all the `vmselect` and `vmstorage` nodes are updated to the new release. It is safe to downgrade to previous releases.
 
@@ -237,7 +436,7 @@ Released at 12-04-2022
 
 ## [v1.76.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.76.0)
 
-Released at 07-04-2022
+Released at 2022-04-07
 
 **Update notes:** this release introduces backwards-incompatible changes to communication protocol between `vmselect` and `vmstorage` nodes in cluster version of VictoriaMetrics, so read requests to `vmselect` will fail until the upgrade is complete. These errors will stop after all the `vmselect` and `vmstorage` nodes are updated to the new release. It is safe to downgrade to previous releases.
 
@@ -265,13 +464,13 @@ When using [cluster version of VictoriaMetrics](https://docs.victoriametrics.com
 
 ## [v1.75.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.75.1)
 
-Released at 28-03-2022
+Released at 2022-03-28
 
 * BUGFIX: update base image for VictoriaMetrics from `alpine-3.15.0` to `alpine-3.15.2`. This fixes [CVE-2022-0778](https://nvd.nist.gov/vuln/detail/CVE-2022-0778). See [alpine 3.15.2 release docs](https://alpinelinux.org/posts/Alpine-3.15.2-released.html).
 
 ## [v1.75.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.75.0)
 
-Released at 18-03-2022
+Released at 2022-03-18
 
 **Update notes:** release contains breaking change to vmalert's API introduced in [ee396b5](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2320/commits/ee396b5750d0bcb98233d624f88fa6cf92a8253b).
 It replaces the `api/v1/groups` API handler with `api/v1/rules` handler in order to become compatible
@@ -295,7 +494,7 @@ See other changes introduced to vmalert [here](https://github.com/VictoriaMetric
 
 ## [v1.74.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.74.0)
 
-Released at 03-03-2022
+Released at 2022-03-03
 
 **Update notes:** In this release VictoriaMetrics may use some extra memory due to issues [#2242](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2242) and [#2007](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2007). These issues were addressed in [v1.75.0](#v1750), so we recommend updating straight to it.
 
@@ -326,7 +525,7 @@ This rule is equivalent to less clear traditional one:
 
 ## [v1.73.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.73.1)
 
-Released at 22-02-2022
+Released at 2022-02-22
 
 **Update notes:** In this release VictoriaMetrics may use some extra memory due to issues [#2242](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2242) and [#2007](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2007). These issues were addressed in [v1.75.0](#v1750), so we recommend updating straight to it.
 
@@ -347,7 +546,7 @@ Released at 22-02-2022
 
 ## [v1.73.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.73.0)
 
-Released at 14-02-2022
+Released at 2022-02-14
 
 **Update notes:** In this release VictoriaMetrics may use some extra memory described in issues [#2242](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2242) and [#2007](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2007). These issues were addressed in [v1.75.0](#v1750), so we recommend updating straight to it.
 
@@ -388,7 +587,7 @@ Released at 14-02-2022
 
 ## [v1.72.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.72.0)
 
-Released at 18-01-2022
+Released at 2022-01-18
 
 * FEATURE: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): add support for `@` modifier, which is enabled by default in Prometheus starting from [Prometheus v2.33.0](https://github.com/prometheus/prometheus/pull/10121). See [these docs](https://prometheus.io/docs/prometheus/latest/querying/basics/#modifier) and [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1348). VictoriaMetrics extends `@` modifier with the following additional features:
   * It can contain arbitrary expression. For example, `foo @ (end() - 1h)` would return `foo` value at `end - 1 hour` timestamp on the selected time range `[start ... end]`. Another example: `foo @ (now() - 10m)` would return `foo` value 10 minutes ago from the current time.
@@ -429,7 +628,7 @@ Released at 18-01-2022
 
 ## [v1.71.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.71.0)
 
-Released at 20-12-2021
+Released at 2021-12-20
 
 **Update notes:** deduplication logic was slightly changed on the release, which may cause extra
 [background merges](https://medium.com/@valyala/how-victoriametrics-makes-instant-snapshots-for-multi-terabyte-time-series-data-e1f3fb0e0282)
@@ -462,7 +661,7 @@ We recommend updating in "off-peak" time when load on the VictoriaMetrics is on
 
 ## [v1.70.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.70.0)
 
-Released at 02-12-2021
+Released at 2021-12-02
 
 * FEATURE: [vmalert](https://docs.victoriametrics.com/vmalert.html): add ability to pass arbitrary query args to `-datasource.url` on a per-group basis via `params` option. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1892).
 * FEATURE: add `now()` function to MetricsQL. This function returns the current timestamp in seconds. See [these docs](https://docs.victoriametrics.com/MetricsQL.html#now).
@@ -491,7 +690,7 @@ Released at 02-12-2021
 
 ## [v1.69.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.69.0)
 
-Released at 08-11-2021
+Released at 2021-11-08
 
 * FEATURE: vmalert: allow groups with empty rules list like Prometheus does. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1742).
 * FEATURE: vmalert: allow groups with default `tenant` in `-clusterMode`. Default `tenant` values can be specified via `-defaultTenant.prometheus` and `-defaultTenant.graphite`. See [these docs](https://docs.victoriametrics.com/vmalert.html#multitenancy).
@@ -513,7 +712,7 @@ Released at 08-11-2021
 
 ## [v1.68.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.68.0)
 
-Released at 22-10-2021
+Released at 2021-10-22
 
 * FEATURE: vmagent: expose `-promscrape.config` contents at `/config` page as Prometheus does. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1695).
 * FEATURE: vmagent: add `show original labels` button per each scrape target displayed at `http://vmagent:8429/targets` page. This should improve debuggability for service discovery and relabeling issues similar to [this one](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1664). See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1698).
@@ -541,7 +740,7 @@ Released at 22-10-2021
 
 ## [v1.67.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.67.0)
 
-Released at 08-10-2021
+Released at 2021-10-08
 
 * FEATURE: add ability to accept metrics from [DataDog agent](https://docs.datadoghq.com/agent/) and [DogStatsD](https://docs.datadoghq.com/developers/dogstatsd/). See [these docs](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#how-to-send-data-from-datadog-agent). This option simplifies the migration path from DataDog to VictoriaMetrics. See also [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/206).
 * FEATURE: vmagent [enterprise](https://victoriametrics.com/products/enterprise/): add support for data reading and writing from/to [Apache Kafka](https://kafka.apache.org/). See [these docs](https://docs.victoriametrics.com/vmagent.html#kafka-integration).
@@ -558,7 +757,7 @@ Released at 08-10-2021
 
 ## [v1.66.2](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.66.2)
 
-Released at 23-09-2021
+Released at 2021-09-23
 
 * FEATURE: vmagent: add `vm_promscrape_max_scrape_size_exceeded_errors_total` metric for counting of the failed scrapes due to the exceeded response size (the response size limit can be configured via `-promscrape.maxScrapeSize` command-line flag). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1639).
 
@@ -567,7 +766,7 @@ Released at 23-09-2021
 
 ## [v1.66.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.66.1)
 
-Released at 22-09-2021
+Released at 2021-09-22
 
 * FEATURE: add `-cluster` and/or `-enterprise` suffixes to `short_version` label at `vm_app_version` metric exposed at `/metrics` page of every VictoriaMetrics component. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1635).
 
@@ -576,7 +775,7 @@ Released at 22-09-2021
 
 ## [v1.66.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.66.0)
 
-Released at 20-09-2021
+Released at 2021-09-20
 
 * FEATURE: vmalert: add web UI with the list of alerting groups, alerts and alert statuses. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1602).
 * FEATURE: vmalert: add `-rule.maxResolveDuration` command-line flag, which could be used for limiting the auto-resolve duration for the alerting rule. By default it is limited to 3x evaluation interval. This could be too high for big evaluation intervals. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1586).
@@ -613,7 +812,7 @@ Released at 20-09-2021
 
 ## [v1.65.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.65.0)
 
-Released at 01-09-2021
+Released at 2021-09-01
 
 * FEATURE: vmagent: add ability to read scrape configs from multiple files specified in `scrape_config_files` section. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1559).
 * FEATURE: vmagent: reduce memory usage and CPU usage when [Prometheus staleness tracking](https://docs.victoriametrics.com/vmagent.html#prometheus-staleness-markers) is enabled for metrics exported from the deleted or disappeared scrape targets.
@@ -637,7 +836,7 @@ Released at 01-09-2021
 
 ## [v1.64.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.64.1)
 
-Released at 19-08-2021
+Released at 2021-08-19
 
 * FEATURE: add `bitmap_and(q, mask)`, `bitmap_or(q, mask)` and `bitmak_xor(q, mask)` functions to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html). These functions allow performing bitwise operations over data points in time series. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1541).
 * FEATURE: vmalert: add `-remoteWrite.disablePathAppend` command-line flag, which can be used when custom `-remoteWrite.url` must be specified. For example, `./vmalert -disablePathAppend -remoteWrite.url='http://foo.bar/a/b/c?d=e'` would write data to `http://foo.bar/a/b/c?d=e` instead of `http://foo.bar/a/b/c?d=e/api/v1/write`. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1536).
@@ -651,7 +850,7 @@ Released at 19-08-2021
 
 ## [v1.64.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.64.0)
 
-Released at 15-08-2021
+Released at 2021-08-15
 
 * FEATURE: add support for Prometheus staleness markers. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1526).
 * FEATURE: vmagent: automatically generate Prometheus staleness markers for the scraped metrics when scrape targets disappear in the same way as Prometheus does. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1526).
@@ -677,7 +876,7 @@ Released at 15-08-2021
 
 ## [v1.63.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.63.0)
 
-Released at 15-07-2021
+Released at 2021-07-15
 
 * FEATURE: reduce memory usage by up to 30% on production workloads.
 * FEATURE: vmselect: embed [vmui](https://github.com/VictoriaMetrics/vmui) into a single-node VictoriaMetrics and into `vmselect` component of cluster version. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1413). The web interface is available at the following paths:
@@ -698,7 +897,7 @@ Released at 15-07-2021
 
 ## [v1.62.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.62.0)
 
-Released at 25-06-2021
+Released at 2021-06-25
 
 * FEATURE: vmagent: add service discovery for Docker (aka [docker_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#docker_sd_config)). See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1402).
 * FEATURE: vmagent: add service discovery for DigitalOcean (aka [digitalocean_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#digitalocean_sd_config)). See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1367).
@@ -721,14 +920,14 @@ Released at 25-06-2021
 
 ## [v1.61.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.61.1)
 
-Released at 11-06-2021
+Released at 2021-06-11
 
 * BUGFIX: vmalert: fix recording rules, which were broken in v1.61.0. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1369).
 * BUGFIX: reset the on-disk cache for mapping from the full metric name to an internal metric id (e.g. `metric_name{labels} -> internal_metric_id`) after deleting metrics via [delete API](https://docs.victoriametrics.com/#how-to-delete-time-series). This should prevent from possible inconsistent state after unclean shutdown. This [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1347).
 
 ## [v1.61.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.61.0)
 
-Released at 09-06-2021
+Released at 2021-06-09
 
 * FEATURE: vmalert: add support for backfilling (aka replay) of recording and alerting rules. See [these docs](https://docs.victoriametrics.com/vmalert.html#rules-backfilling) and [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/836).
 * FEATURE: vmalert: add a command-line flag `-rule.configCheckInterval` for automatic re-reading of `-rule` files without the need to send SIGHUP signal. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/512).
@@ -746,7 +945,7 @@ Released at 09-06-2021
 
 ## [v1.60.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.60.0)
 
-Released at 24-05-2021
+Released at 2021-05-24
 
 * FEATURE: add ability to limit the number of unique time series, which can be added to storage per hour and per day. This can help dealing with high cardinality and high churn rate issues. See [these docs](https://docs.victoriametrics.com/#cardinality-limiter).
 * FEATURE: vmagent: add ability to limit the number of unique time series, which can be sent to remote storage systems per hour and per day. This can help dealing with high cardinality and high churn rate issues. See [these docs](https://docs.victoriametrics.com/vmagent.html#cardinality-limiter).
@@ -782,7 +981,7 @@ Released at 24-05-2021
 
 ## [v1.59.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.59.0)
 
-Released at 01-05-2021
+Released at 2021-05-01
 
 * FEATURE: improved new time series registration speed on systems with many CPU cores. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1244). Thanks to @waldoweng for the idea and [draft implementation](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1243).
 * FEATURE: vmalert: use the same technique as Grafana for determining evaluation timestamps for recording rules. This should make consistent graphs for series generated by recording rules compared to graphs generated for queries from recording rules in Grafana. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1232).
@@ -799,7 +998,7 @@ Thanks to @johnseekins!
 
 ## [v1.58.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.58.0)
 
-Released at 08-04-2021
+Released at 2021-04-08
 
 * FEATURE: vminsert and vmagent: add `-sortLabels` command-line flag for sorting metric labels before pushing them to `vmstorage`. This should reduce the size of `MetricName -> internal_series_id` cache (aka `vm_cache_size_bytes{type="storage/tsid"}`) when ingesting samples for the same time series with distinct order of labels. For example, `foo{k1="v1",k2="v2"}` and `foo{k2="v2",k1="v1"}` represent a single time series. Labels sorting is disabled by default, since the majority of established exporters preserve the order of labels for the exported metrics.
 * FEATURE: allow specifying label value alongside label name for the `others sum` time series returned from `topk_*` and `bottomk_*` functions from [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html). For example, `topk_avg(3, max(process_resident_memory_bytes) by (instance), "instance=other_sum")` would return top 3 series from `max(process_resident_memory_bytes) by (instance)` plus a series containing the sum of other series. The `others sum` series will have `{instance="other_sum"}` label.
@@ -826,7 +1025,7 @@ Released at 08-04-2021
 
 ## [v1.57.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.57.1)
 
-Released at 30-03-2021
+Released at 2021-03-30
 
 * FEATURE: publish vmutils for `GOOS=arm` on [releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases).
 
@@ -836,7 +1035,7 @@ Released at 30-03-2021
 
 ## [v1.57.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.57.0)
 
-Released at 29-03-2021
+Released at 2021-03-29
 
 * FEATURE: optimize query performance by up to 10x on systems with many CPU cores. See [this tweet](https://twitter.com/MetricsVictoria/status/1375064484860067840).
 * FEATURE: add the following metrics at `/metrics` page for every VictoraMetrics app:
@@ -860,7 +1059,7 @@ Released at 29-03-2021
 
 ## [v1.56.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.56.0)
 
-Released at 17-03-2021
+Released at 2021-03-17
 
 * FEATURE: add the following functions to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html):
   * `histogram_avg(buckets)` - returns the average value for the given buckets.
@@ -890,14 +1089,14 @@ Released at 17-03-2021
 
 ## [v1.55.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.55.1)
 
-Released at 03-03-2021
+Released at 2021-03-03
 
 * BUGFIX: vmagent: fix a panic in Kubernetes service discovery when a target is filtered out with relabeling. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1107>
 * BUGFIX: vmagent: fix Kubernetes service discovery for `role: ingress`. See <https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1110>
 
 ## [v1.55.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.55.0)
 
-Released at 02-03-2021
+Released at 2021-03-02
 
 * FEATURE: add `sign(q)` and `clamp(q, min, max)` functions, which are planned to be added in [the upcoming Prometheus release](https://twitter.com/roidelapluie/status/1363428376162295811) . The `last_over_time(m[d])` function is already supported in [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html).
 * FEATURE: vmagent: add `scrape_align_interval` config option, which can be used for aligning scrapes to the beginning of the configured interval. See [these docs](https://docs.victoriametrics.com/vmagent.html#troubleshooting) for details.
@@ -933,13 +1132,13 @@ Released at 02-03-2021
 
 ## [v1.54.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.54.1)
 
-Released at 18-02-2021
+Released at 2021-08-18
 
 * BUGFIX: properly handle queries containing a filter on metric name plus any number of negative filters and zero non-negative filters. For example, `node_cpu_seconds_total{mode!="idle"}`. The bug was introduced in [v1.54.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.54.0).
 
 ## [v1.54.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.54.0)
 
-Released at 18-02-2021
+Released at 2021-02-18
 
 * FEATURE: optimize searching for matching metrics for `metric{<label_filters>}` queries if `<label_filters>` contains at least a single filter. For example, the query `up{job="foobar"}` should find the matching time series much faster than previously.
 * FEATURE: reduce execution times for `q1 <binary_op> q2` queries by executing `q1` and `q2` in parallel.
@@ -961,13 +1160,13 @@ Released at 18-02-2021
 
 ## [v1.53.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.53.1)
 
-Released at 03-02-2021
+Released at 2021-02-03
 
 * BUGFIX: vmselect: fix the bug peventing from proper searching by Graphite filter with wildcards such as `{__graphite__="foo.*.bar"}`.
 
 ## [v1.53.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.53.0)
 
-Released at 03-02-2021
+Released at 2021-02-03
 
 * FEATURE: added [vmctl tool](https://docs.victoriametrics.com/vmctl.html) to VictoriaMetrics release process. Now it is packaged in `vmutils-*.tar.gz` archive on [the releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases). Source code for `vmctl` tool has been moved from [github.com/VictoriaMetrics/vmctl](https://github.com/VictoriaMetrics/vmctl) to [github.com/VictoriaMetrics/VictoriaMetrics/app/vmctl](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/app/vmctl).
 * FEATURE: added `-loggerTimezone` command-line flag for adjusting time zone for timestamps in log messages. By default UTC is used.
@@ -993,7 +1192,7 @@ in front of VictoriaMetrics. [Contact us](mailto:sales@victoriametrics.com) if y
 
 ## [v1.52.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.52.0)
 
-Released at 13-01-2021
+Released at 2021-01-13
 
 * FEATURE: provide a sample list of alerting rules for VictoriaMetrics components. It is available [here](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/alerts.yml).
 * FEATURE: disable final merge for data for the previous month at the beginning of new month, since it may result in high disk IO and CPU usage. Final merge can be enabled by setting `-finalMergeDelay` command-line flag to positive duration.
@@ -1014,7 +1213,7 @@ Released at 13-01-2021
 
 ## [v1.51.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.51.0)
 
-Released at 27-12-2020
+Released at 2020-12-27
 
 * FEATURE: add `/api/v1/status/top_queries` handler, which returns the most frequently executed queries and queries that took the most time for execution. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/907>
 * FEATURE: vmagent: add support for `proxy_url` config option in Prometheus scrape configs. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/503>
@@ -1027,7 +1226,7 @@ Released at 27-12-2020
 
 ## [v1.50.2](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.50.2)
 
-Released at 19-12-2020
+Released at 2020-12-19
 
 * FEATURE: do not publish duplicate Docker images with `-cluster` tag suffix for [vmagent](https://docs.victoriametrics.com/vmagent.html), [vmalert](https://docs.victoriametrics.com/vmalert.html), [vmauth](https://docs.victoriametrics.com/vmauth.html), [vmbackup](https://docs.victoriametrics.com/vmbackup.html) and [vmrestore](https://docs.victoriametrics.com/vmrestore.html), since they are identical to images without `-cluster` tag suffix.
 
@@ -1037,7 +1236,7 @@ Released at 19-12-2020
 
 ## [v1.50.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.50.1)
 
-Released at 15-12-2020
+Released at 2020-12-15
 
 * FEATURE: vmagent: export `vmagent_remotewrite_blocks_sent_total` and `vmagent_remotewrite_blocks_sent_total` metrics for each `-remoteWrite.url`.
 
@@ -1045,7 +1244,7 @@ Released at 15-12-2020
 
 ## [v1.50.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.50.0)
 
-Released at 15-12-2020
+Released at 2020-12-15
 
 * FEATURE: automatically reset response cache when samples with timestamps older than `now - search.cacheTimestampOffset` are ingested to VictoriaMetrics. This makes unnecessary disabling response cache during data backfilling or resetting it after backfilling is complete as described [in these docs](https://docs.victoriametrics.com/#backfilling). This feature applies only to single-node VictoriaMetrics. It doesn't apply to cluster version of VictoriaMetrics because `vminsert` nodes don't know about `vmselect` nodes where the response cache must be reset.
 * FEATURE: vmalert: add `query`, `first` and `value` functions to alert templates. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/539>
@@ -1071,7 +1270,7 @@ Released at 15-12-2020
 
 ## [v1.49.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.49.0)
 
-Released at 05-12-2020
+Released at 2020-12-05
 
 * FEATURE: optimize Consul service discovery speed when discovering big number of services. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/574>
 * FEATURE: add `label_uppercase(q, label1, ... labelN)` and `label_lowercase(q, label1, ... labelN)` function to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html)
@@ -1092,7 +1291,7 @@ Released at 05-12-2020
 
 ## [v1.48.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.48.0)
 
-Released at 26-11-2020
+Released at 2020-11-26
 
 * FEATURE: added [Snap package for single-node VictoriaMetrics](https://snapcraft.io/victoriametrics). This simplifies installation under Ubuntu to a single command:
 
@@ -1121,7 +1320,7 @@ Released at 26-11-2020
 
 ## [v1.47.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.47.0)
 
-Released at 16-11-2020
+Released at 2020-11-16
 
 * FEATURE: vmselect: return the original error from `vmstorage` node in query response if `-search.denyPartialResponse` is set.
   See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/891>
@@ -1152,7 +1351,7 @@ Released at 16-11-2020
 
 ## [v1.46.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.46.0)
 
-Released at 07-11-2020
+Released at 2020-11-07
 
 * FEATURE: optimize requests to `/api/v1/labels` and `/api/v1/label/<name>/values` when `start` and `end` args are set.
 * FEATURE: reduce memory usage when query touches big number of time series.
@@ -1171,7 +1370,7 @@ Released at 07-11-2020
 
 ## [v1.45.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.45.0)
 
-Released at 02-11-2020
+Released at 2020-11-02
 
 * FEATURE: allow setting `-retentionPeriod` smaller than one month. I.e. `-retentionPeriod=3d`, `-retentionPeriod=2w`, etc. is supported now.
   See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/173>
@@ -1206,7 +1405,7 @@ Released at 02-11-2020
 
 ## [v1.44.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.44.0)
 
-Released at 13-10-2020
+Released at 2020-10-13
 
 * FEATURE: automatically add missing label filters to binary operands as described at <https://utcc.utoronto.ca/~cks/space/blog/sysadmin/PrometheusLabelNonOptimization> .
   This should improve performance for queries with missing label filters in binary operands. For example, the following query should work faster now, because it shouldn't
@@ -1269,7 +1468,7 @@ Released at 13-10-2020
 
 ## [v1.43.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.43.0)
 
-Released at 06-10-2020
+Released at 2020-10-06
 
 * FEATURE: reduce CPU usage for repeated queries over sliding time window when no new time series are added to the database.
   Typical use cases: repeated evaluation of alerting rules in [vmalert](https://docs.victoriametrics.com/vmalert.html) or dashboard auto-refresh in Grafana.
@@ -1289,7 +1488,7 @@ Released at 06-10-2020
 
 ## [v1.42.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.42.0)
 
-Released at 30-09-2020
+Released at 2020-09-30
 
 * FEATURE: use all the available CPU cores when accepting data via a single TCP connection
   for [all the supported protocols](https://docs.victoriametrics.com/#how-to-import-time-series-data).

docs/Cluster-VictoriaMetrics.md

@@ -96,7 +96,7 @@ vmstorage-prod
 
 ### Development Builds
 
-1. [Install go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make` from [the repository root](https://github.com/VictoriaMetrics/VictoriaMetrics). It should build `vmstorage`, `vmselect`
    and `vminsert` binaries and put them into the `bin` folder.
 

docs/MetricsQL.md

@@ -487,7 +487,7 @@ See also [implicit query conversions](#implicit-query-conversions).
 
 #### histogram_quantiles
 
-`histogram_quantiles("phiLabel", phi1, ..., phiN, buckets)` calculates the given `phi*`-quantiles over the given [histogram buckets](https://valyala.medium.com/improving-histogram-usability-for-prometheus-and-grafana-bc7e5df0e350). `phi*` must be in the range `[0...1]`. Each calculated quantile is returned in a separate time series with the corresponding `{phiLabel="phi*"}` label. See also [histogram_quantile](#histogram_quantile).
+`histogram_quantiles("phiLabel", phi1, ..., phiN, buckets)` calculates the given `phi*`-quantiles over the given [histogram buckets](https://valyala.medium.com/improving-histogram-usability-for-prometheus-and-grafana-bc7e5df0e350). Argument `phi*` must be in the range `[0...1]`. For example, `histogram_quantiles('le', 0.3, 0.5, sum(rate(http_request_duration_seconds_bucket[5m]) by (le))`. Each calculated quantile is returned in a separate time series with the corresponding `{phiLabel="phi*"}` label. See also [histogram_quantile](#histogram_quantile).
 
 #### histogram_share
 

docs/README.md

@@ -729,7 +729,7 @@ to your needs or when testing bugfixes.
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make victoria-metrics` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `victoria-metrics` binary and puts it into the `bin` folder.
 
@@ -745,7 +745,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 ### Development ARM build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make victoria-metrics-linux-arm` or `make victoria-metrics-linux-arm64` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `victoria-metrics-linux-arm` or `victoria-metrics-linux-arm64` binary respectively and puts it into the `bin` folder.
 
@@ -759,7 +759,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 `Pure Go` mode builds only Go code without [cgo](https://golang.org/cmd/cgo/) dependencies.
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make victoria-metrics-pure` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `victoria-metrics-pure` binary and puts it into the `bin` folder.
 

docs/Release-Guide.md

@@ -4,21 +4,59 @@ sort: 18
 
 # Release process guidance
 
+## Prereqs
+1. Make sure you have enterprise remote configured
+```
+git remote add enterprise <url>
+```
+2. Make sure you have singing key configured
+3. Make sure you have github token with at least `read:org, repo, write:packages` permissions exported under `GITHUB_TOKEN` env variable.
+   You can create token [here](https://github.com/settings/tokens)
+
 ## Release version and Docker images
 
 0. Make sure that the release commits have no security issues.
-1. Document all the changes for new release in [CHANGELOG.md](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/docs/CHANGELOG.md).
+1a. Document all the changes for new release in [CHANGELOG.md](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/docs/CHANGELOG.md).
+1b. Add `(available starting from v1.xx.y)` line to feature docs introduced in the upcoming release.
 2. Create the following release tags:
    * `git tag -s v1.xx.y` in `master` branch
    * `git tag -s v1.xx.y-cluster` in `cluster` branch
    * `git tag -s v1.xx.y-enterprise` in `enterprise` branch
    * `git tag -s v1.xx.y-enterprise-cluster` in `enterprise-cluster` branch
-3. Run `TAG=v1.xx.y make publish-release`. It will create `*.tar.gz` release archives with the corresponding `_checksums.txt` files inside `bin` directory and publish Docker images for the given `TAG`, `TAG-cluster`, `TAG-enterprise` and `TAG-enterprise-cluster`.
-4. Push release tags to <https://github.com/VictoriaMetrics/VictoriaMetrics> : `git push origin v1.xx.y` and `git push origin v1.xx.y-cluster`. Do not push `-enterprise` tags to public repository.
-5. Go to <https://github.com/VictoriaMetrics/VictoriaMetrics/releases> , create new release from the pushed tag on step 4 and upload `*.tar.gz` archive with the corresponding `_checksums.txt` from step 3.
-6. Copy the [CHANGELOG](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/docs/CHANGELOG.md) for this release to [releases](https://github.com/VictoriaMetrics/VictoriaMetrics/releases) page.
-7. Bump version of the VictoriaMetrics cluster setup in for [sandbox environment](https://github.com/VictoriaMetrics/ops/blob/main/sandbox/manifests/benchmark-vm/vmcluster.yaml)
-by [opening and merging PR](https://github.com/VictoriaMetrics/ops/pull/58).
+3. Run `TAG=v1.xx.y make publish-release`. This command performs the following tasks:
+   a) Build and package binaries in `*.tar.gz` release archives with the corresponding `_checksums.txt` files inside `bin` directory.
+      This step can be run manually with the command `make release` from the needed git tag.
+   b) Build and publish [multi-platform Docker images](https://docs.docker.com/build/buildx/multiplatform-images/)
+      for the given `TAG`, `TAG-cluster`, `TAG-enterprise` and `TAG-enterprise-cluster`.
+      The multi-platform Docker image is built for the following platforms:
+      * linux/amd64
+      * linux/arm64
+      * linux/arm
+      * linux/ppc64le
+      * linux/386
+      This step can be run manually with the command `make publish` from the needed git tag.
+4. Push the tags created `v1.xx.y` and `v1.xx.y-cluster` at step 2 to public GitHub repository at https://github.com/VictoriaMetrics/VictoriaMetrics .
+   **Important note:** do not push enteprise tags to public GitHub repository - they must be pushed only to private repository.
+5. Run `TAG=v1.xx.yy make github-create-release github-upload-assets`. This command performs the following tasks:
+   a) Create draft GitHub release with the name `TAG`. This step can be run manually
+      with the command `TAG=v1.xx.y make github-create-release`.
+      The release id is stored at `/tmp/vm-github-release` file.
+   b) Upload all the binaries and checksums created at step `3a` to that release.
+      This step can be run manually with the command `make github-upload-assets`.
+      It is expected that the needed release id is stored at `/tmp/vm-github-release` file,
+      which must be created at the step `a`.
+      If the upload process is interrupted by any reason, then the following recovery steps must be performed:
+      - To delete the created draft release by running the command `make github-delete-release`.
+        This command expects that the id of the release to delete is located at `/tmp/vm-github-release`
+        file created at the step `a`.
+      - To run the command `TAG=v1.xx.y make github-create-release github-upload-assets`, so new release is created
+        and all the needed assets are re-uploaded to it.
+6. Go to <https://github.com/VictoriaMetrics/VictoriaMetrics/releases> and verify that draft release with the name `TAG` has been created
+   and this release contains all the needed binaries and checksums.
+7. Update the release description with the [CHANGELOG](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/docs/CHANGELOG.md) for this release.
+8. Remove the `draft` checkbox for the `TAG` release and manually publish it.
+9. Bump version of the VictoriaMetrics cluster in the [sandbox environment](https://github.com/VictoriaMetrics/ops/blob/main/sandbox/manifests/benchmark-vm/vmcluster.yaml)
+   by [opening and merging PR](https://github.com/VictoriaMetrics/ops/pull/58).
 
 ## Building snap package
 
@@ -74,7 +112,3 @@ Repository [https://github.com/VictoriaMetrics/ansible-playbooks](https://github
 5. Commit changes
 6. Create a new tag
 7. Create a new release. This automatically publishes the new versions to galaxy.ansible.com 
-
-## Github pages
-
-All changes in `README.md`, `docs` folder and `.md` extension automatically push to Wiki

docs/Single-server-VictoriaMetrics.md

@@ -733,7 +733,7 @@ to your needs or when testing bugfixes.
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make victoria-metrics` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `victoria-metrics` binary and puts it into the `bin` folder.
 
@@ -749,7 +749,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 ### Development ARM build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make victoria-metrics-linux-arm` or `make victoria-metrics-linux-arm64` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `victoria-metrics-linux-arm` or `victoria-metrics-linux-arm64` binary respectively and puts it into the `bin` folder.
 
@@ -763,7 +763,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 `Pure Go` mode builds only Go code without [cgo](https://golang.org/cmd/cgo/) dependencies.
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make victoria-metrics-pure` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `victoria-metrics-pure` binary and puts it into the `bin` folder.
 

docs/vmagent.md

@@ -793,7 +793,7 @@ We recommend using [binary releases](https://github.com/VictoriaMetrics/Victoria
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmagent` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds the `vmagent` binary and puts it into the `bin` folder.
 
@@ -822,7 +822,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 ### Development ARM build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmagent-linux-arm` or `make vmagent-linux-arm64` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics)
    It builds `vmagent-linux-arm` or `vmagent-linux-arm64` binary respectively and puts it into the `bin` folder.
 

docs/vmalert.md

@@ -641,11 +641,13 @@ The shortlist of configuration flags is the following:
   -datasource.oauth2.tokenUrl string
      Optional OAuth2 tokenURL to use for -datasource.url.
   -datasource.queryStep duration
-     queryStep defines how far a value can fallback to when evaluating queries. For example, if datasource.queryStep=15s then param "step" with value "15s" will be added to every query.If queryStep isn't specified, rule's evaluationInterval will be used instead.
+     How far a value can fallback to when evaluating queries. For example, if -datasource.queryStep=15s then param "step" with value "15s" will be added to every query. If set to 0, rule's evaluation interval will be used instead. (default 5m0s)
   -datasource.queryTimeAlignment
      Whether to align "time" parameter with evaluation interval.Alignment supposed to produce deterministic results despite of number of vmalert replicas or time they were started. See more details here https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1257 (default true)
   -datasource.roundDigits int
      Adds "round_digits" GET param to datasource requests. In VM "round_digits" limits the number of digits after the decimal point in response values.
+  -datasource.showURL
+     Whether to show -datasource.url in the exported metrics. It is hidden by default, since it can contain sensitive info such as auth key
   -datasource.tlsCAFile string
      Optional path to TLS CA file to use for verifying connections to -datasource.url. By default, system CA is used
   -datasource.tlsCertFile string
@@ -657,7 +659,7 @@ The shortlist of configuration flags is the following:
   -datasource.tlsServerName string
      Optional TLS server name to use for connections to -datasource.url. By default, the server name from -datasource.url is used
   -datasource.url string
-     VictoriaMetrics or vmselect url. Required parameter. E.g. http://127.0.0.1:8428 . See also -remoteRead.disablePathAppend
+     Datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect URL. Required parameter. E.g. http://127.0.0.1:8428 . See also '-datasource.disablePathAppend', '-datasource.showURL'.
   -defaultTenant.graphite string
      Default tenant for Graphite alerting groups. See https://docs.victoriametrics.com/vmalert.html#multitenancy
   -defaultTenant.prometheus string
@@ -677,8 +679,8 @@ The shortlist of configuration flags is the following:
   -evaluationInterval duration
      How often to evaluate the rules (default 1m0s)
   -external.alert.source string
-     External Alert Source allows to override the Source link for alerts sent to AlertManager for cases where you want to build a custom link to Grafana, Prometheus or any other service.
-     eg. 'explore?orgId=1&left=[\"now-1h\",\"now\",\"VictoriaMetrics\",{\"expr\": \"{{$expr|quotesEscape|crlfEscape|queryEscape}}\"},{\"mode\":\"Metrics\"},{\"ui\":[true,true,true,\"none\"]}]'.If empty '/vmalert/api/v1/alert?group_id=&alert_id=' is used
+     External Alert Source allows to override the Source link for alerts sent to AlertManager for cases where you want to build a custom link to Grafana, Prometheus or any other service. Supports templating - see https://docs.victoriametrics.com/vmalert.html#templating . For example, link to Grafana: -external.alert.source='explore?orgId=1&left=["now-1h","now","VictoriaMetrics",{"expr":{{$expr|jsonEscape|queryEscape}} },{"mode":"Metrics"},{"ui":[true,true,true,"none"]}]' . If empty 'vmalert/alert?group_id={{.GroupID}}&alert_id={{.AlertID}}' is used
+     If empty 'vmalert/alert?group_id={{.GroupID}}&alert_id={{.AlertID}}' is used.
   -external.label array
      Optional label in the form 'Name=value' to add to all generated recording rules and alerts. Pass multiple -label flags in order to add multiple label sets.
      Supports an array of values separated by comma or specified via multiple flags.
@@ -817,6 +819,8 @@ The shortlist of configuration flags is the following:
      Optional OAuth2 scopes to use for -remoteRead.url. Scopes must be delimited by ';'.
   -remoteRead.oauth2.tokenUrl string
      Optional OAuth2 tokenURL to use for -remoteRead.url. 
+  -remoteRead.showURL
+     Whether to show -remoteRead.url in the exported metrics. It is hidden by default, since it can contain sensitive info such as auth key
   -remoteRead.tlsCAFile string
      Optional path to TLS CA file to use for verifying connections to -remoteRead.url. By default system CA is used
   -remoteRead.tlsCertFile string
@@ -828,7 +832,7 @@ The shortlist of configuration flags is the following:
   -remoteRead.tlsServerName string
      Optional TLS server name to use for connections to -remoteRead.url. By default the server name from -remoteRead.url is used
   -remoteRead.url vmalert
-     Optional URL to VictoriaMetrics or vmselect that will be used to restore alerts state. This configuration makes sense only if vmalert was configured with `remoteWrite.url` before and has been successfully persisted its state. E.g. http://127.0.0.1:8428. See also -remoteRead.disablePathAppend
+     Optional URL to datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect.Remote read is used to restore alerts state.This configuration makes sense only if vmalert was configured with `remoteWrite.url` before and has been successfully persisted its state. E.g. http://127.0.0.1:8428. See also '-remoteRead.disablePathAppend', '-remoteRead.showURL'.
   -remoteWrite.basicAuth.password string
      Optional basic auth password for -remoteWrite.url
   -remoteWrite.basicAuth.passwordFile string
@@ -859,6 +863,8 @@ The shortlist of configuration flags is the following:
      Optional OAuth2 scopes to use for -notifier.url. Scopes must be delimited by ';'.
   -remoteWrite.oauth2.tokenUrl string
      Optional OAuth2 tokenURL to use for -notifier.url.
+  -remoteWrite.showURL
+     Whether to show -remoteWrite.url in the exported metrics. It is hidden by default, since it can contain sensitive info such as auth key
   -remoteWrite.tlsCAFile string
      Optional path to TLS CA file to use for verifying connections to -remoteWrite.url. By default system CA is used
   -remoteWrite.tlsCertFile string
@@ -870,7 +876,7 @@ The shortlist of configuration flags is the following:
   -remoteWrite.tlsServerName string
      Optional TLS server name to use for connections to -remoteWrite.url. By default the server name from -remoteWrite.url is used
   -remoteWrite.url string
-     Optional URL to VictoriaMetrics or vminsert where to persist alerts state and recording rules results in form of timeseries. For example, if -remoteWrite.url=http://127.0.0.1:8428 is specified, then the alerts state will be written to http://127.0.0.1:8428/api/v1/write . See also -remoteWrite.disablePathAppend
+     Optional URL to VictoriaMetrics or vminsert where to persist alerts state and recording rules results in form of timeseries. For example, if -remoteWrite.url=http://127.0.0.1:8428 is specified, then the alerts state will be written to http://127.0.0.1:8428/api/v1/write . See also -remoteWrite.disablePathAppend, '-remoteWrite.showURL'.
   -replay.disableProgressBar
      Whether to disable rendering progress bars during the replay. Progress bar rendering might be verbose or break the logs parsing, so it is recommended to be disabled when not used in interactive mode.
   -replay.maxDatapointsPerQuery int
@@ -1088,7 +1094,7 @@ spec:
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmalert` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmalert` binary and puts it into the `bin` folder.
 
@@ -1104,7 +1110,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 ### Development ARM build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmalert-linux-arm` or `make vmalert-linux-arm64` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmalert-linux-arm` or `vmalert-linux-arm64` binary respectively and puts it into the `bin` folder.
 

docs/vmauth.md

@@ -170,7 +170,7 @@ It is recommended using [binary releases](https://github.com/VictoriaMetrics/Vic
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmauth` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmauth` binary and puts it into the `bin` folder.
 

docs/vmbackup.md

@@ -272,7 +272,7 @@ It is recommended using [binary releases](https://github.com/VictoriaMetrics/Vic
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmbackup` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmbackup` binary and puts it into the `bin` folder.
 

docs/vmctl.md

@@ -635,7 +635,7 @@ It is recommended using [binary releases](https://github.com/VictoriaMetrics/Vic
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmctl` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmctl` binary and puts it into the `bin` folder.
 
@@ -664,7 +664,7 @@ ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://b
 
 #### Development ARM build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmctl-linux-arm` or `make vmctl-linux-arm64` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmctl-linux-arm` or `vmctl-linux-arm64` binary respectively and puts it into the `bin` folder.
 

docs/vmrestore.md

@@ -172,7 +172,7 @@ It is recommended using [binary releases](https://github.com/VictoriaMetrics/Vic
 
 ### Development build
 
-1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.17.
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.19.
 2. Run `make vmrestore` from the root folder of [the repository](https://github.com/VictoriaMetrics/VictoriaMetrics).
    It builds `vmrestore` binary and puts it into the `bin` folder.
 

go.mod

@@ -1,82 +1,84 @@
 module github.com/VictoriaMetrics/VictoriaMetrics
 
-go 1.17
+go 1.19
 
 require (
-	cloud.google.com/go/storage v1.23.0
-	github.com/VictoriaMetrics/fastcache v1.10.0
+	cloud.google.com/go/storage v1.30.1
+	github.com/VictoriaMetrics/fastcache v1.12.1
 
 	// Do not use the original github.com/valyala/fasthttp because of issues
 	// like https://github.com/valyala/fasthttp/commit/996610f021ff45fdc98c2ce7884d5fa4e7f9199b
-	github.com/VictoriaMetrics/fasthttp v1.1.0
-	github.com/VictoriaMetrics/metrics v1.18.1
-	github.com/VictoriaMetrics/metricsql v0.44.1
-	github.com/aws/aws-sdk-go v1.44.53
-	github.com/cespare/xxhash/v2 v2.1.2
+	github.com/VictoriaMetrics/fasthttp v1.2.0
+	github.com/VictoriaMetrics/metrics v1.24.0
+	github.com/VictoriaMetrics/metricsql v0.56.2
+	github.com/aws/aws-sdk-go v1.44.265
+	github.com/cespare/xxhash/v2 v2.2.0
 
 	// TODO: switch back to https://github.com/cheggaaa/pb/v3 when v3-pooling branch
 	// is merged into main branch.
 	// See https://github.com/cheggaaa/pb/pull/192#issuecomment-1121285954 for details.
 	github.com/dmitryk-dk/pb/v3 v3.0.9
 	github.com/golang/snappy v0.0.4
-	github.com/influxdata/influxdb v1.9.8
-	github.com/klauspost/compress v1.15.8
+	github.com/influxdata/influxdb v1.11.1
+	github.com/klauspost/compress v1.16.5
 	github.com/prometheus/prometheus v1.8.2-0.20201119142752-3ad25a6dc3d9
-	github.com/urfave/cli/v2 v2.11.0
-	github.com/valyala/fastjson v1.6.3
+	github.com/urfave/cli/v2 v2.25.3
+	github.com/valyala/fastjson v1.6.4
 	github.com/valyala/fastrand v1.1.0
-	github.com/valyala/fasttemplate v1.2.1
-	github.com/valyala/gozstd v1.17.0
+	github.com/valyala/fasttemplate v1.2.2
+	github.com/valyala/gozstd v1.20.1
 	github.com/valyala/quicktemplate v1.7.0
-	golang.org/x/net v0.0.0-20220708220712-1185a9018129
-	golang.org/x/oauth2 v0.0.0-20220630143837-2104d58473e0
-	golang.org/x/sys v0.0.0-20220712014510-0a85c31ab51e
-	google.golang.org/api v0.87.0
+	golang.org/x/net v0.10.0
+	golang.org/x/oauth2 v0.8.0
+	golang.org/x/sys v0.8.0
+	google.golang.org/api v0.123.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
-	cloud.google.com/go v0.103.0 // indirect
-	cloud.google.com/go/compute v1.7.0 // indirect
-	cloud.google.com/go/iam v0.3.0 // indirect
+	cloud.google.com/go v0.110.2 // indirect
+	cloud.google.com/go/compute v1.19.3 // indirect
+	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	cloud.google.com/go/iam v1.0.1 // indirect
 	github.com/VividCortex/ewma v1.2.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
-	github.com/fatih/color v1.13.0 // indirect
+	github.com/fatih/color v1.15.0 // indirect
 	github.com/go-kit/kit v0.12.0 // indirect
 	github.com/go-kit/log v0.2.1 // indirect
-	github.com/go-logfmt/logfmt v0.5.1 // indirect
+	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/google/go-cmp v0.5.8 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/s2a-go v0.1.3 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/googleapis/enterprise-certificate-proxy v0.1.0 // indirect
-	github.com/googleapis/gax-go/v2 v2.4.0 // indirect
-	github.com/googleapis/go-type-adapters v1.0.0 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.2.3 // indirect
+	github.com/googleapis/gax-go/v2 v2.8.0 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
-	github.com/mattn/go-colorable v0.1.12 // indirect
-	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/mattn/go-runewidth v0.0.13 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.18 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/oklog/ulid v1.3.1 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/prometheus/client_golang v1.12.2 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.36.0 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
-	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/prometheus/client_golang v1.15.1 // indirect
+	github.com/prometheus/client_model v0.4.0 // indirect
+	github.com/prometheus/common v0.43.0 // indirect
+	github.com/prometheus/procfs v0.9.0 // indirect
+	github.com/rivo/uniseg v0.4.4 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/histogram v1.2.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
-	go.opencensus.io v0.23.0 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
+	go.opencensus.io v0.24.0 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
 	go.uber.org/goleak v1.1.11-0.20210813005559-691160354723 // indirect
-	golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f // indirect
-	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f // indirect
+	golang.org/x/crypto v0.9.0 // indirect
+	golang.org/x/sync v0.2.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20220712132514-bdd2acd4974d // indirect
-	google.golang.org/grpc v1.48.0 // indirect
-	google.golang.org/protobuf v1.28.0 // indirect
+	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
+	google.golang.org/grpc v1.55.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 )

go.sum

@@ -15,24 +15,8 @@ cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKV
 cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
 cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
 cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
-cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
-cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
-cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
-cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
-cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY=
-cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM=
-cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY=
-cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ=
-cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI=
-cloud.google.com/go v0.94.1/go.mod h1:qAlAugsXlC+JWO+Bke5vCtc9ONxjQT3drlTTnAplMW4=
-cloud.google.com/go v0.97.0/go.mod h1:GF7l59pYBVlXQIBLx3a761cZ41F9bBH3JUlihCt2Udc=
-cloud.google.com/go v0.99.0/go.mod h1:w0Xx2nLzqWJPuozYQX+hFfCSI8WioryfRDzkoI/Y2ZA=
-cloud.google.com/go v0.100.2/go.mod h1:4Xra9TjzAeYHrl5+oeLlzbM2k3mjVhZh4UqTZ//w99A=
-cloud.google.com/go v0.102.0/go.mod h1:oWcCzKlqJ5zgHQt9YsaeTY9KzIvjyy0ArmiBUgpQ+nc=
-cloud.google.com/go v0.102.1/go.mod h1:XZ77E9qnTEnrgEOvr4xzfdX5TRo7fB4T2F4O6+34hIU=
-cloud.google.com/go v0.103.0 h1:YXtxp9ymmZjlGzxV7VrYQ8aaQuAgcqxSy6YhDX4I458=
-cloud.google.com/go v0.103.0/go.mod h1:vwLx1nqLrzLX/fpwSMOXmFIqBOyHsvHbnAdbGSJ+mKk=
+cloud.google.com/go v0.110.2 h1:sdFPBr6xG9/wkBbfhmUz/JmZC7X6LavQgcrVINrKiVA=
+cloud.google.com/go v0.110.2/go.mod h1:k04UEeEtb6ZBRTv3dZz4CeJC3jKGxyhl0sAiVVquxiw=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
@@ -40,17 +24,15 @@ cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUM
 cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/bigtable v1.2.0/go.mod h1:JcVAOl45lrTmQfLj7T6TxyMzIN/3FGGcFm+2xVAli2o=
-cloud.google.com/go/compute v0.1.0/go.mod h1:GAesmwr110a34z04OlxYkATPBEfVhkymfTBXtfbBFow=
-cloud.google.com/go/compute v1.3.0/go.mod h1:cCZiE1NHEtai4wiufUhW8I8S1JKkAnhnQJWM7YD99wM=
-cloud.google.com/go/compute v1.5.0/go.mod h1:9SMHyhJlzhlkJqrPAc839t2BZFTSk6Jdj6mkzQJeu0M=
-cloud.google.com/go/compute v1.6.0/go.mod h1:T29tfhtVbq1wvAPo0E3+7vhgmkOYeXjhFvz/FMzPu0s=
-cloud.google.com/go/compute v1.6.1/go.mod h1:g85FgpzFvNULZ+S8AYq87axRKuf2Kh7deLqV/jJ3thU=
-cloud.google.com/go/compute v1.7.0 h1:v/k9Eueb8aAJ0vZuxKMrgm6kPhCLZU9HxFU+AFDs9Uk=
-cloud.google.com/go/compute v1.7.0/go.mod h1:435lt8av5oL9P3fv1OEzSbSUe+ybHXGMPQHHZWZxy9U=
+cloud.google.com/go/compute v1.19.3 h1:DcTwsFgGev/wV5+q8o2fzgcHOaac+DKGC91ZlvpsQds=
+cloud.google.com/go/compute v1.19.3/go.mod h1:qxvISKp/gYnXkSAD1ppcSOveRAmzxicEv/JlizULFrI=
+cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY=
+cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/iam v0.3.0 h1:exkAomrVUuzx9kWFI1wm3KI0uoDeUFPB4kKGzx6x+Gc=
-cloud.google.com/go/iam v0.3.0/go.mod h1:XzJPvDayI+9zsASAFO68Hk07u3z+f+JrT2xXNdp4bnY=
+cloud.google.com/go/iam v1.0.1 h1:lyeCAU6jpnVNrE9zGQkTl3WgNgK/X+uWwaw0kynZJMU=
+cloud.google.com/go/iam v1.0.1/go.mod h1:yR3tmSL8BcZB4bxByRv2jkSIahVmCtfKZwLYGBalRE8=
+cloud.google.com/go/longrunning v0.4.1 h1:v+yFJOfKC3yZdY6ZUI933pIYdhyhV8S3NpWrXWmg7jM=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
@@ -60,9 +42,8 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-cloud.google.com/go/storage v1.22.1/go.mod h1:S8N1cAStu7BOeFfE8KAQzmyyLkK8p/vmRq6kuBTW58Y=
-cloud.google.com/go/storage v1.23.0 h1:wWRIaDURQA8xxHguFCshYepGlrWIrbBnAmc7wfg07qY=
-cloud.google.com/go/storage v1.23.0/go.mod h1:vOEEDNFnciUMhBeT6hsJIn3ieU5cFRmzeLgDvXzfIXc=
+cloud.google.com/go/storage v1.30.1 h1:uOdMxAs8HExqBlnLtnQyP0YkvbiDpdGShGKtx6U/oNM=
+cloud.google.com/go/storage v1.30.1/go.mod h1:NfxhC0UJE1aXSx7CIIbCf7y9HKT7BiccwkR7+P7gN8E=
 collectd.org v0.3.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/Azure/azure-sdk-for-go v48.2.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
@@ -103,14 +84,15 @@ github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdko
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
-github.com/VictoriaMetrics/fastcache v1.10.0 h1:5hDJnLsKLpnUEToub7ETuRu8RCkb40woBZAUiKonXzY=
-github.com/VictoriaMetrics/fastcache v1.10.0/go.mod h1:tjiYeEfYXCqacuvYw/7UoDIeJaNxq6132xHICNP77w8=
-github.com/VictoriaMetrics/fasthttp v1.1.0 h1:3crd4YWHsMwu60GUXRH6OstowiFvqrwS4a/ueoLdLL0=
-github.com/VictoriaMetrics/fasthttp v1.1.0/go.mod h1:/7DMcogqd+aaD3G3Hg5kFgoFwlR2uydjiWvoLp5ZTqQ=
-github.com/VictoriaMetrics/metrics v1.18.1 h1:OZ0+kTTto8oPfHnVAnTOoyl0XlRhRkoQrD2n2cOuRw0=
+github.com/VictoriaMetrics/fastcache v1.12.1 h1:i0mICQuojGDL3KblA7wUNlY5lOK6a4bwt3uRKnkZU40=
+github.com/VictoriaMetrics/fastcache v1.12.1/go.mod h1:tX04vaqcNoQeGLD+ra5pU5sWkuxnzWhEzLwhP9w653o=
+github.com/VictoriaMetrics/fasthttp v1.2.0 h1:nd9Wng4DlNtaI27WlYh5mGXCJOmee/2c2blTJwfyU9I=
+github.com/VictoriaMetrics/fasthttp v1.2.0/go.mod h1:zv5YSmasAoSyv8sBVexfArzFDIGGTN4TfCKAtAw7IfE=
 github.com/VictoriaMetrics/metrics v1.18.1/go.mod h1:ArjwVz7WpgpegX/JpB0zpNF2h2232kErkEnzH1sxMmA=
-github.com/VictoriaMetrics/metricsql v0.44.1 h1:qGoRt0g84uMUscVjS7P3uDZKmjJubWKaIx9v0iHKgck=
-github.com/VictoriaMetrics/metricsql v0.44.1/go.mod h1:6pP1ZeLVJHqJrHlF6Ij3gmpQIznSsgktEcZgsAWYel0=
+github.com/VictoriaMetrics/metrics v1.24.0 h1:ILavebReOjYctAGY5QU2F9X0MYvkcrG3aEn2RKa1Zkw=
+github.com/VictoriaMetrics/metrics v1.24.0/go.mod h1:eFT25kvsTidQFHb6U0oa0rTrDRdz4xTYjpL8+UPohys=
+github.com/VictoriaMetrics/metricsql v0.56.2 h1:quBAbYOlWMhmdgzFSCr1yjtVcdZYZrVQJ7nR9zor7ZM=
+github.com/VictoriaMetrics/metricsql v0.56.2/go.mod h1:6pP1ZeLVJHqJrHlF6Ij3gmpQIznSsgktEcZgsAWYel0=
 github.com/VividCortex/ewma v1.2.0 h1:f58SaIzcDXrSy3kWaHNvuJgJ3Nmz59Zji6XoJR/q1ow=
 github.com/VividCortex/ewma v1.2.0/go.mod h1:nz4BbCtbLyFDeC9SUHbtcT5644juEuWfUAUnGx7j5l4=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
@@ -146,8 +128,8 @@ github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQ
 github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.34.28/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/+8rV9s48=
 github.com/aws/aws-sdk-go v1.35.31/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
-github.com/aws/aws-sdk-go v1.44.53 h1:2MErE8gRyBLuE1fuH2Sqlj1xoN3S6/jXb0aO/A1jGfk=
-github.com/aws/aws-sdk-go v1.44.53/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
+github.com/aws/aws-sdk-go v1.44.265 h1:rlBuD8OYjM5Vfcf7jDa264oVHqlPqY7y7o+JmrjNFUc=
+github.com/aws/aws-sdk-go v1.44.265/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
 github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@@ -163,8 +145,8 @@ github.com/cenkalti/backoff/v4 v4.0.2/go.mod h1:eEew/i+1Q6OrCDZh3WiXYv3+nJwBASZ8
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
-github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -173,13 +155,10 @@ github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp
 github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4/go.mod h1:6pvJx4me5XPnfI9Z40ddWsdw2W/uZgQLFXToKeRcDiI=
-github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
-github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
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@@ -221,18 +200,14 @@ github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4s
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@@ -253,15 +228,13 @@ github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2
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@@ -388,8 +361,6 @@ github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
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@@ -405,9 +376,9 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
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@@ -426,21 +397,16 @@ github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -448,34 +414,22 @@ github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hf
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@@ -530,8 +484,8 @@ github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJ
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@@ -585,6 +537,7 @@ github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFB
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@@ -646,7 +600,6 @@ github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJ
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@@ -806,14 +756,19 @@ github.com/streadway/handy v0.0.0-20190108123426-d5acb3125c2a/go.mod h1:qNTQ5P5J
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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@@ -822,19 +777,19 @@ github.com/uber/jaeger-client-go v2.25.0+incompatible/go.mod h1:WVhlPFC8FDjOFMMW
 github.com/uber/jaeger-lib v2.4.0+incompatible/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U=
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-github.com/valyala/gozstd v1.17.0/go.mod h1:y5Ew47GLlP37EkTB+B4s7r6A5rdaeB7ftbl9zoYiIPQ=
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@@ -854,6 +809,7 @@ github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
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@@ -869,15 +825,14 @@ go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
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-go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
-go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M=
-go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
+go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
+go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
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@@ -905,6 +860,10 @@ golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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@@ -931,8 +890,6 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl
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 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
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@@ -941,9 +898,8 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
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-golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
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@@ -984,26 +940,15 @@ golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81R
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@@ -1011,22 +956,8 @@ golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4Iltr
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@@ -1037,10 +968,10 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -1100,57 +1031,34 @@ golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1262,32 +1160,8 @@ google.golang.org/api v0.28.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0M
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@@ -1331,58 +1205,8 @@ google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6D
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-google.golang.org/genproto v0.0.0-20220310185008-1973136f34c6/go.mod h1:kGP+zUP2Ddo0ayMi4YuN7C3WZyJvGLZRh8Z5wnAqvEI=
-google.golang.org/genproto v0.0.0-20220324131243-acbaeb5b85eb/go.mod h1:hAL49I2IFola2sVEjAn7MEwsja0xp51I0tlGAf9hz4E=
-google.golang.org/genproto v0.0.0-20220407144326-9054f6ed7bac/go.mod h1:8w6bsBMX6yCPbAVTeqQHvzxW0EIFigd5lZyahWgyfDo=
-google.golang.org/genproto v0.0.0-20220413183235-5e96e2839df9/go.mod h1:8w6bsBMX6yCPbAVTeqQHvzxW0EIFigd5lZyahWgyfDo=
-google.golang.org/genproto v0.0.0-20220414192740-2d67ff6cf2b4/go.mod h1:8w6bsBMX6yCPbAVTeqQHvzxW0EIFigd5lZyahWgyfDo=
-google.golang.org/genproto v0.0.0-20220421151946-72621c1f0bd3/go.mod h1:8w6bsBMX6yCPbAVTeqQHvzxW0EIFigd5lZyahWgyfDo=
-google.golang.org/genproto v0.0.0-20220429170224-98d788798c3e/go.mod h1:8w6bsBMX6yCPbAVTeqQHvzxW0EIFigd5lZyahWgyfDo=
-google.golang.org/genproto v0.0.0-20220505152158-f39f71e6c8f3/go.mod h1:RAyBrSAP7Fh3Nc84ghnVLDPuV51xc9agzmm4Ph6i0Q4=
-google.golang.org/genproto v0.0.0-20220518221133-4f43b3371335/go.mod h1:RAyBrSAP7Fh3Nc84ghnVLDPuV51xc9agzmm4Ph6i0Q4=
-google.golang.org/genproto v0.0.0-20220523171625-347a074981d8/go.mod h1:RAyBrSAP7Fh3Nc84ghnVLDPuV51xc9agzmm4Ph6i0Q4=
-google.golang.org/genproto v0.0.0-20220608133413-ed9918b62aac/go.mod h1:KEWEmljWE5zPzLBa/oHl6DaEt9LmfH6WtH1OHIvleBA=
-google.golang.org/genproto v0.0.0-20220616135557-88e70c0c3a90/go.mod h1:KEWEmljWE5zPzLBa/oHl6DaEt9LmfH6WtH1OHIvleBA=
-google.golang.org/genproto v0.0.0-20220617124728-180714bec0ad/go.mod h1:KEWEmljWE5zPzLBa/oHl6DaEt9LmfH6WtH1OHIvleBA=
-google.golang.org/genproto v0.0.0-20220624142145-8cd45d7dbd1f/go.mod h1:KEWEmljWE5zPzLBa/oHl6DaEt9LmfH6WtH1OHIvleBA=
-google.golang.org/genproto v0.0.0-20220628213854-d9e0b6570c03/go.mod h1:KEWEmljWE5zPzLBa/oHl6DaEt9LmfH6WtH1OHIvleBA=
-google.golang.org/genproto v0.0.0-20220712132514-bdd2acd4974d h1:YbuF5+kdiC516xIP60RvlHeFbY9sRDR73QsAGHpkeVw=
-google.golang.org/genproto v0.0.0-20220712132514-bdd2acd4974d/go.mod h1:KEWEmljWE5zPzLBa/oHl6DaEt9LmfH6WtH1OHIvleBA=
+google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 h1:KpwkzHKEF7B9Zxg18WzOa7djJ+Ha5DzthMyZYQfEn2A=
+google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1/go.mod h1:nKE/iIaLqn2bQwXBg8f1g2Ylh6r5MN5CmZvuzZCgsCU=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
@@ -1403,25 +1227,10 @@ google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM
 google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
-google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
-google.golang.org/grpc v1.39.1/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
-google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
-google.golang.org/grpc v1.40.1/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
-google.golang.org/grpc v1.44.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
 google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
-google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc v1.46.2/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc v1.48.0 h1:rQOsyJ/8+ufEDJd/Gdsz7HG220Mh9HAhFHRGnIjda0w=
-google.golang.org/grpc v1.48.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
+google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
+google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -1434,15 +1243,14 @@ google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGj
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
-google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
@@ -1466,6 +1274,7 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

lib/awsapi/config.go

@@ -43,8 +43,8 @@ type credentials struct {
 	Expiration      time.Time
 }
 
-// NewConfig returns new AWS Config.
-func NewConfig(region, roleARN, accessKey, secretKey, service string) (*Config, error) {
+// NewConfig returns new AWS Config from the given args.
+func NewConfig(ec2Endpoint, stsEndpoint, region, roleARN, accessKey, secretKey, service string) (*Config, error) {
 	cfg := &Config{
 		client:           http.DefaultClient,
 		region:           region,
@@ -65,8 +65,8 @@ func NewConfig(region, roleARN, accessKey, secretKey, service string) (*Config,
 		}
 		cfg.region = r
 	}
-	cfg.ec2Endpoint = buildAPIEndpoint(cfg.ec2Endpoint, cfg.region, "ec2")
-	cfg.stsEndpoint = buildAPIEndpoint(cfg.stsEndpoint, cfg.region, "sts")
+	cfg.ec2Endpoint = buildAPIEndpoint(ec2Endpoint, cfg.region, "ec2")
+	cfg.stsEndpoint = buildAPIEndpoint(stsEndpoint, cfg.region, "sts")
 	if cfg.roleARN == "" {
 		cfg.roleARN = os.Getenv("AWS_ROLE_ARN")
 	}
@@ -108,7 +108,7 @@ func (cfg *Config) GetEC2APIResponse(action, filtersQueryString, nextPageToken s
 	if len(nextPageToken) > 0 {
 		apiURL += fmt.Sprintf("&NextToken=%s", url.QueryEscape(nextPageToken))
 	}
-	apiURL += "&Version=2013-10-15"
+	apiURL += "&Version=2016-11-15"
 	req, err := newSignedGetRequest(apiURL, "ec2", cfg.region, ac)
 	if err != nil {
 		return nil, fmt.Errorf("cannot create signed request: %w", err)
@@ -204,7 +204,11 @@ func (cfg *Config) getAPICredentials() (*credentials, error) {
 	}
 	if ecsMetaURI := os.Getenv("AWS_CONTAINER_CREDENTIALS_RELATIVE_URI"); len(ecsMetaURI) > 0 {
 		path := "http://169.254.170.2" + ecsMetaURI
-		return getECSRoleCredentialsByPath(cfg.client, path)
+		ac, err := getECSRoleCredentialsByPath(cfg.client, path)
+		if err != nil {
+			return nil, fmt.Errorf("cannot obtain ECS role credentials: %w", err)
+		}
+		acNew = ac
 	}
 
 	// we need instance credentials if dont have access keys

lib/awsapi/sign.go

@@ -41,6 +41,9 @@ func signRequestWithTime(req *http.Request, service, region, payloadHash string,
 	datestamp := t.Format("20060102")
 	canonicalURL := uri.Path
 	canonicalQS := uri.Query().Encode()
+	// Replace "%20" with "+" according to AWS requirements.
+	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3171
+	canonicalQS = strings.ReplaceAll(canonicalQS, "+", "%20")
 
 	canonicalHeaders := fmt.Sprintf("host:%s\nx-amz-date:%s\n", uri.Host, amzdate)
 	signedHeaders := "host;x-amz-date"

lib/encoding/encoding_cgo_test.go

@@ -19,7 +19,7 @@ func TestMarshalUnmarshalInt64Array(t *testing.T) {
 		v += int64(rand.NormFloat64() * 1e6)
 		va = append(va, v)
 	}
-	for precisionBits := uint8(1); precisionBits < 23; precisionBits++ {
+	for precisionBits := uint8(1); precisionBits < 22; precisionBits++ {
 		testMarshalUnmarshalInt64Array(t, va, precisionBits, MarshalTypeZSTDNearestDelta)
 	}
 	for precisionBits := uint8(23); precisionBits < 65; precisionBits++ {
@@ -33,7 +33,7 @@ func TestMarshalUnmarshalInt64Array(t *testing.T) {
 		v += 30e6 + int64(rand.NormFloat64()*1e6)
 		va = append(va, v)
 	}
-	for precisionBits := uint8(1); precisionBits < 24; precisionBits++ {
+	for precisionBits := uint8(1); precisionBits < 23; precisionBits++ {
 		testMarshalUnmarshalInt64Array(t, va, precisionBits, MarshalTypeZSTDNearestDelta2)
 	}
 	for precisionBits := uint8(24); precisionBits < 65; precisionBits++ {

lib/encoding/encoding_pure_test.go

@@ -19,7 +19,7 @@ func TestMarshalUnmarshalInt64Array(t *testing.T) {
 		v += int64(rand.NormFloat64() * 1e6)
 		va = append(va, v)
 	}
-	for precisionBits := uint8(1); precisionBits < 17; precisionBits++ {
+	for precisionBits := uint8(1); precisionBits < 14; precisionBits++ {
 		testMarshalUnmarshalInt64Array(t, va, precisionBits, MarshalTypeZSTDNearestDelta)
 	}
 	for precisionBits := uint8(23); precisionBits < 65; precisionBits++ {

lib/flagutil/bytes.go

@@ -3,13 +3,14 @@ package flagutil
 import (
 	"flag"
 	"fmt"
+	"math"
 	"strconv"
 	"strings"
 )
 
 // NewBytes returns new `bytes` flag with the given name, defaultValue and description.
-func NewBytes(name string, defaultValue int, description string) *Bytes {
-	description += "\nSupports the following optional suffixes for `size` values: KB, MB, GB, KiB, MiB, GiB"
+func NewBytes(name string, defaultValue int64, description string) *Bytes {
+	description += "\nSupports the following optional suffixes for `size` values: KB, MB, GB, KiB, MiB, GiB, TiB"
 	b := Bytes{
 		N:           defaultValue,
 		valueString: fmt.Sprintf("%d", defaultValue),
@@ -23,11 +24,22 @@ func NewBytes(name string, defaultValue int, description string) *Bytes {
 // It supports the following optional suffixes for values: KB, MB, GB, KiB, MiB, GiB.
 type Bytes struct {
 	// N contains parsed value for the given flag.
-	N int
+	N int64
 
 	valueString string
 }
 
+// IntN returns the stored value capped by int type.
+func (b *Bytes) IntN() int {
+	if b.N > math.MaxInt {
+		return math.MaxInt
+	}
+	if b.N < math.MinInt {
+		return math.MinInt
+	}
+	return int(b.N)
+}
+
 // String implements flag.Value interface
 func (b *Bytes) String() string {
 	return b.valueString
@@ -42,7 +54,7 @@ func (b *Bytes) Set(value string) error {
 		if err != nil {
 			return err
 		}
-		b.N = int(f * 1000)
+		b.N = int64(f * 1000)
 		b.valueString = value
 		return nil
 	case strings.HasSuffix(value, "MB"):
@@ -50,7 +62,7 @@ func (b *Bytes) Set(value string) error {
 		if err != nil {
 			return err
 		}
-		b.N = int(f * 1000 * 1000)
+		b.N = int64(f * 1000 * 1000)
 		b.valueString = value
 		return nil
 	case strings.HasSuffix(value, "GB"):
@@ -58,7 +70,15 @@ func (b *Bytes) Set(value string) error {
 		if err != nil {
 			return err
 		}
-		b.N = int(f * 1000 * 1000 * 1000)
+		b.N = int64(f * 1000 * 1000 * 1000)
+		b.valueString = value
+		return nil
+	case strings.HasSuffix(value, "TB"):
+		f, err := strconv.ParseFloat(value[:len(value)-2], 64)
+		if err != nil {
+			return err
+		}
+		b.N = int64(f * 1000 * 1000 * 1000 * 1000)
 		b.valueString = value
 		return nil
 	case strings.HasSuffix(value, "KiB"):
@@ -66,7 +86,7 @@ func (b *Bytes) Set(value string) error {
 		if err != nil {
 			return err
 		}
-		b.N = int(f * 1024)
+		b.N = int64(f * 1024)
 		b.valueString = value
 		return nil
 	case strings.HasSuffix(value, "MiB"):
@@ -74,7 +94,7 @@ func (b *Bytes) Set(value string) error {
 		if err != nil {
 			return err
 		}
-		b.N = int(f * 1024 * 1024)
+		b.N = int64(f * 1024 * 1024)
 		b.valueString = value
 		return nil
 	case strings.HasSuffix(value, "GiB"):
@@ -82,7 +102,15 @@ func (b *Bytes) Set(value string) error {
 		if err != nil {
 			return err
 		}
-		b.N = int(f * 1024 * 1024 * 1024)
+		b.N = int64(f * 1024 * 1024 * 1024)
+		b.valueString = value
+		return nil
+	case strings.HasSuffix(value, "TiB"):
+		f, err := strconv.ParseFloat(value[:len(value)-3], 64)
+		if err != nil {
+			return err
+		}
+		b.N = int64(f * 1024 * 1024 * 1024 * 1024)
 		b.valueString = value
 		return nil
 	default:
@@ -90,7 +118,7 @@ func (b *Bytes) Set(value string) error {
 		if err != nil {
 			return err
 		}
-		b.N = int(f)
+		b.N = int64(f)
 		b.valueString = value
 		return nil
 	}

lib/flagutil/bytes_test.go

@@ -24,7 +24,7 @@ func TestBytesSetFailure(t *testing.T) {
 }
 
 func TestBytesSetSuccess(t *testing.T) {
-	f := func(value string, expectedResult int) {
+	f := func(value string, expectedResult int64) {
 		t.Helper()
 		var b Bytes
 		if err := b.Set(value); err != nil {

lib/fs/fs.go

@@ -385,6 +385,12 @@ func ReadFileOrHTTP(path string) ([]byte, error) {
 		}
 		data, err := ioutil.ReadAll(resp.Body)
 		_ = resp.Body.Close()
+		if resp.StatusCode != http.StatusOK {
+			if len(data) > 4192 {
+				data = data[:4192]
+			}
+			return nil, fmt.Errorf("unexpected status code when fetching %q: %d, expecting %d; response: %q", path, resp.StatusCode, http.StatusOK, data)
+		}
 		if err != nil {
 			return nil, fmt.Errorf("cannot read %q: %s", path, err)
 		}

lib/httpserver/httpserver.go

@@ -235,13 +235,27 @@ func handlerWrapper(s *server, w http.ResponseWriter, r *http.Request, rh Reques
 		connTimeoutClosedConns.Inc()
 		w.Header().Set("Connection", "close")
 	}
-	path, err := getCanonicalPath(r.URL.Path)
-	if err != nil {
-		Errorf(w, r, "cannot get canonical path: %s", err)
-		unsupportedRequestErrors.Inc()
-		return
+	path := r.URL.Path
+	prefix := GetPathPrefix()
+	if prefix != "" {
+		// Trim -http.pathPrefix from path
+		prefixNoTrailingSlash := strings.TrimSuffix(prefix, "/")
+		if path == prefixNoTrailingSlash {
+			// Redirect to url with / at the end.
+			// This is needed for proper handling of relative urls in web browsers.
+			// Intentionally ignore query args, since it is expected that the requested url
+			// is composed by a human, so it doesn't contain query args.
+			RedirectPermanent(w, prefix)
+			return
+		}
+		if !strings.HasPrefix(path, prefix) {
+			Errorf(w, r, "missing -http.pathPrefix=%q in the requested path %q", *pathPrefix, path)
+			unsupportedRequestErrors.Inc()
+			return
+		}
+		path = path[len(prefix)-1:]
+		r.URL.Path = path
 	}
-	r.URL.Path = path
 	switch r.URL.Path {
 	case "/health":
 		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
@@ -302,6 +316,11 @@ func handlerWrapper(s *server, w http.ResponseWriter, r *http.Request, rh Reques
 		// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1833
 		fmt.Fprintf(w, "VictoriaMetrics is Ready.\n")
 		return
+	case "/robots.txt":
+		// This prevents search engines from indexing contents
+		// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4128
+		fmt.Fprintf(w, "User-agent: *\nDisallow: /\n")
+		return
 	default:
 		if strings.HasPrefix(r.URL.Path, "/debug/pprof/") {
 			pprofRequests.Inc()
@@ -327,24 +346,6 @@ func handlerWrapper(s *server, w http.ResponseWriter, r *http.Request, rh Reques
 	}
 }
 
-func getCanonicalPath(path string) (string, error) {
-	if len(*pathPrefix) == 0 || path == "/" {
-		return path, nil
-	}
-	if *pathPrefix == path {
-		return "/", nil
-	}
-	prefix := *pathPrefix
-	if !strings.HasSuffix(prefix, "/") {
-		prefix = prefix + "/"
-	}
-	if !strings.HasPrefix(path, prefix) {
-		return "", fmt.Errorf("missing `-pathPrefix=%q` in the requested path: %q", *pathPrefix, path)
-	}
-	path = path[len(prefix)-1:]
-	return path, nil
-}
-
 func checkBasicAuth(w http.ResponseWriter, r *http.Request) bool {
 	if len(*httpAuthUsername) == 0 {
 		// HTTP Basic Auth is disabled.
@@ -643,7 +644,17 @@ func IsTLS() bool {
 
 // GetPathPrefix - returns http server path prefix.
 func GetPathPrefix() string {
-	return *pathPrefix
+	prefix := *pathPrefix
+	if prefix == "" {
+		return ""
+	}
+	if !strings.HasPrefix(prefix, "/") {
+		prefix = "/" + prefix
+	}
+	if !strings.HasSuffix(prefix, "/") {
+		prefix += "/"
+	}
+	return prefix
 }
 
 // WriteAPIHelp writes pathList to w in HTML format.
@@ -671,3 +682,12 @@ func GetRequestURI(r *http.Request) string {
 	}
 	return requestURI + delimiter + queryArgs
 }
+
+// RedirectPermanent redirects to the given url using 301 status code.
+func RedirectPermanent(w http.ResponseWriter, url string) {
+	// Do not use http.Redirect, since it breaks relative redirects
+	// if the http.Request.URL contains unexpected url.
+	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2918
+	w.Header().Set("Location", url)
+	w.WriteHeader(http.StatusMovedPermanently)
+}

lib/memory/memory.go

@@ -34,14 +34,14 @@ func initOnce() {
 	memoryLimit = sysTotalMemory()
 	if allowedBytes.N <= 0 {
 		if *allowedPercent < 1 || *allowedPercent > 200 {
-			logger.Panicf("FATAL: -memory.allowedPercent must be in the range [1...200]; got %g", *allowedPercent)
+			logger.Fatalf("FATAL: -memory.allowedPercent must be in the range [1...200]; got %g", *allowedPercent)
 		}
 		percent := *allowedPercent / 100
 		allowedMemory = int(float64(memoryLimit) * percent)
 		remainingMemory = memoryLimit - allowedMemory
 		logger.Infof("limiting caches to %d bytes, leaving %d bytes to the OS according to -memory.allowedPercent=%g", allowedMemory, remainingMemory, *allowedPercent)
 	} else {
-		allowedMemory = allowedBytes.N
+		allowedMemory = allowedBytes.IntN()
 		remainingMemory = memoryLimit - allowedMemory
 		logger.Infof("limiting caches to %d bytes, leaving %d bytes to the OS according to -memory.allowedBytes=%s", allowedMemory, remainingMemory, allowedBytes.String())
 	}

lib/mergeset/table.go

@@ -710,7 +710,7 @@ func (tb *Table) mergeRawItemsBlocks(ibs []*inmemoryBlock, isFinal bool) {
 			atomic.AddUint64(&tb.assistedMerges, 1)
 			continue
 		}
-		if errors.Is(err, errNothingToMerge) || errors.Is(err, errForciblyStopped) {
+		if errors.Is(err, errNothingToMerge) || errors.Is(err, errForciblyStopped) || errors.Is(err, errReadOnlyMode) {
 			return
 		}
 		logger.Panicf("FATAL: cannot merge small parts: %s", err)
@@ -805,12 +805,14 @@ func (tb *Table) canBackgroundMerge() bool {
 	return atomic.LoadUint32(tb.isReadOnly) == 0
 }
 
+var errReadOnlyMode = fmt.Errorf("storage is in readonly mode")
+
 func (tb *Table) mergeExistingParts(isFinal bool) error {
 	if !tb.canBackgroundMerge() {
 		// Do not perform background merge in read-only mode
 		// in order to prevent from disk space shortage.
 		// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2603
-		return nil
+		return errReadOnlyMode
 	}
 	n := fs.MustGetFreeSpace(tb.path)
 	// Divide free space by the max number of concurrent merges.
@@ -849,7 +851,7 @@ func (tb *Table) partMerger() error {
 			// The merger has been stopped.
 			return nil
 		}
-		if !errors.Is(err, errNothingToMerge) {
+		if !errors.Is(err, errNothingToMerge) && !errors.Is(err, errReadOnlyMode) {
 			return err
 		}
 		if fasttime.UnixTimestamp()-lastMergeTime > 30 {

lib/persistentqueue/fastqueue.go

@@ -41,7 +41,7 @@ type FastQueue struct {
 // if maxPendingBytes is 0, then the queue size is unlimited.
 // Otherwise its size is limited by maxPendingBytes. The oldest data is dropped when the queue
 // reaches maxPendingSize.
-func MustOpenFastQueue(path, name string, maxInmemoryBlocks, maxPendingBytes int) *FastQueue {
+func MustOpenFastQueue(path, name string, maxInmemoryBlocks int, maxPendingBytes int64) *FastQueue {
 	pq := mustOpen(path, name, maxPendingBytes)
 	fq := &FastQueue{
 		pq: pq,

lib/persistentqueue/persistentqueue.go

@@ -124,7 +124,7 @@ func (q *queue) GetPendingBytes() uint64 {
 //
 // If maxPendingBytes is greater than 0, then the max queue size is limited by this value.
 // The oldest data is deleted when queue size exceeds maxPendingBytes.
-func mustOpen(path, name string, maxPendingBytes int) *queue {
+func mustOpen(path, name string, maxPendingBytes int64) *queue {
 	if maxPendingBytes < 0 {
 		maxPendingBytes = 0
 	}

lib/promrelabel/config.go

@@ -104,6 +104,11 @@ func stringValue(v interface{}) (string, error) {
 
 // MarshalYAML marshals mlr to YAML.
 func (mlr *MultiLineRegex) MarshalYAML() (interface{}, error) {
+	if strings.ContainsAny(mlr.S, "([") {
+		// The mlr.S contains groups. Fall back to returning the regexp as is without splitting it into parts.
+		// This fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2928 .
+		return mlr.S, nil
+	}
 	a := strings.Split(mlr.S, "|")
 	if len(a) == 1 {
 		return a[0], nil

lib/promrelabel/config_test.go

@@ -7,6 +7,30 @@ import (
 	"gopkg.in/yaml.v2"
 )
 
+func TestMultiLineRegexUnmarshalMarshal(t *testing.T) {
+	f := func(data, resultExpected string) {
+		t.Helper()
+		var mlr MultiLineRegex
+		if err := yaml.UnmarshalStrict([]byte(data), &mlr); err != nil {
+			t.Fatalf("cannot unmarshal %q: %s", data, err)
+		}
+		result, err := yaml.Marshal(&mlr)
+		if err != nil {
+			t.Fatalf("cannot marshal %q: %s", data, err)
+		}
+		if string(result) != resultExpected {
+			t.Fatalf("unexpected marshaled data; got\n%q\nwant\n%q", result, resultExpected)
+		}
+	}
+	f(``, `""`+"\n")
+	f(`foo`, "foo\n")
+	f(`a|b||c`, "- a\n- b\n- \"\"\n- c\n")
+	f(`(a|b)`, "(a|b)\n")
+	f(`a|b[c|d]`, "a|b[c|d]\n")
+	f("- a\n- b", "- a\n- b\n")
+	f("- a\n- (b)", "a|(b)\n")
+}
+
 func TestRelabelConfigMarshalUnmarshal(t *testing.T) {
 	f := func(data, resultExpected string) {
 		t.Helper()
@@ -31,7 +55,7 @@ func TestRelabelConfigMarshalUnmarshal(t *testing.T) {
 - regex:
   - 'fo.+'
   - '.*ba[r-z]a'
-`, "- regex:\n  - fo.+\n  - .*ba[r-z]a\n")
+`, "- regex: fo.+|.*ba[r-z]a\n")
 	f(`- regex: foo|bar`, "- regex:\n  - foo\n  - bar\n")
 	f(`- regex: True`, `- regex: "true"`+"\n")
 	f(`- regex: true`, `- regex: "true"`+"\n")

lib/promscrape/client.go

@@ -116,9 +116,9 @@ func newClient(sw *ScrapeWork) *client {
 		MaxIdleConnDuration:          2 * sw.ScrapeInterval,
 		ReadTimeout:                  sw.ScrapeTimeout,
 		WriteTimeout:                 10 * time.Second,
-		MaxResponseBodySize:          maxScrapeSize.N,
+		MaxResponseBodySize:          maxScrapeSize.IntN(),
 		MaxIdempotentRequestAttempts: 1,
-		ReadBufferSize:               maxResponseHeadersSize.N,
+		ReadBufferSize:               maxResponseHeadersSize.IntN(),
 	}
 	var sc *http.Client
 	var proxyURLFunc func(*http.Request) (*url.URL, error)

lib/promscrape/config.go

@@ -130,6 +130,10 @@ func (cfg *Config) mustRestart(prevCfg *Config) {
 		prevScrapeCfgByName[scPrev.JobName] = scPrev
 	}
 
+	// Restart all the scrape jobs on Global config change.
+	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2884
+	needGlobalRestart := !areEqualGlobalConfigs(&cfg.Global, &prevCfg.Global)
+
 	// Loop over the the new jobs, start new ones and restart updated ones.
 	var started, stopped, restarted int
 	currentJobNames := make(map[string]struct{}, len(cfg.ScrapeConfigs))
@@ -142,7 +146,7 @@ func (cfg *Config) mustRestart(prevCfg *Config) {
 			started++
 			continue
 		}
-		if areEqualScrapeConfigs(scPrev, sc) {
+		if !needGlobalRestart && areEqualScrapeConfigs(scPrev, sc) {
 			// The scrape config didn't change, so no need to restart it.
 			// Use the reference to the previous job, so it could be stopped properly later.
 			cfg.ScrapeConfigs[i] = scPrev
@@ -165,6 +169,12 @@ func (cfg *Config) mustRestart(prevCfg *Config) {
 	logger.Infof("restarted service discovery routines in %.3f seconds, stopped=%d, started=%d, restarted=%d", time.Since(startTime).Seconds(), stopped, started, restarted)
 }
 
+func areEqualGlobalConfigs(a, b *GlobalConfig) bool {
+	sa := a.marshalJSON()
+	sb := b.marshalJSON()
+	return string(sa) == string(sb)
+}
+
 func areEqualScrapeConfigs(a, b *ScrapeConfig) bool {
 	sa := a.marshalJSON()
 	sb := b.marshalJSON()
@@ -183,6 +193,14 @@ func (sc *ScrapeConfig) marshalJSON() []byte {
 	return data
 }
 
+func (gc *GlobalConfig) marshalJSON() []byte {
+	data, err := json.Marshal(gc)
+	if err != nil {
+		logger.Panicf("BUG: cannot marshal GlobalConfig: %s", err)
+	}
+	return data
+}
+
 func (cfg *Config) mustStop() {
 	startTime := time.Now()
 	logger.Infof("stopping service discovery routines...")
@@ -673,21 +691,11 @@ func (cfg *Config) getEurekaSDScrapeWork(prev []*ScrapeWork) []*ScrapeWork {
 
 // getFileSDScrapeWork returns `file_sd_configs` ScrapeWork from cfg.
 func (cfg *Config) getFileSDScrapeWork(prev []*ScrapeWork) []*ScrapeWork {
-	// Create a map for the previous scrape work.
-	swsMapPrev := make(map[string][]*ScrapeWork)
-	for _, sw := range prev {
-		filepath := promrelabel.GetLabelValueByName(sw.Labels, "__vm_filepath")
-		if len(filepath) == 0 {
-			logger.Panicf("BUG: missing `__vm_filepath` label")
-		} else {
-			swsMapPrev[filepath] = append(swsMapPrev[filepath], sw)
-		}
-	}
 	dst := make([]*ScrapeWork, 0, len(prev))
 	for _, sc := range cfg.ScrapeConfigs {
 		for j := range sc.FileSDConfigs {
 			sdc := &sc.FileSDConfigs[j]
-			dst = sdc.appendScrapeWork(dst, swsMapPrev, cfg.baseDir, sc.swc)
+			dst = sdc.appendScrapeWork(dst, cfg.baseDir, sc.swc)
 		}
 	}
 	return dst
@@ -998,7 +1006,7 @@ func appendScrapeWorkForTargetLabels(dst []*ScrapeWork, swc *scrapeWorkConfig, t
 	return dst
 }
 
-func (sdc *FileSDConfig) appendScrapeWork(dst []*ScrapeWork, swsMapPrev map[string][]*ScrapeWork, baseDir string, swc *scrapeWorkConfig) []*ScrapeWork {
+func (sdc *FileSDConfig) appendScrapeWork(dst []*ScrapeWork, baseDir string, swc *scrapeWorkConfig) []*ScrapeWork {
 	for _, file := range sdc.Files {
 		pathPattern := fs.GetFilepath(baseDir, file)
 		paths := []string{pathPattern}
@@ -1007,7 +1015,7 @@ func (sdc *FileSDConfig) appendScrapeWork(dst []*ScrapeWork, swsMapPrev map[stri
 			paths, err = filepath.Glob(pathPattern)
 			if err != nil {
 				// Do not return this error, since other files may contain valid scrape configs.
-				logger.Errorf("invalid pattern %q in `files` section: %s; skipping it", file, err)
+				logger.Errorf("invalid pattern %q in `file_sd_config->files` section of job_name=%q: %s; skipping it", file, swc.jobName, err)
 				continue
 			}
 		}
@@ -1015,13 +1023,7 @@ func (sdc *FileSDConfig) appendScrapeWork(dst []*ScrapeWork, swsMapPrev map[stri
 			stcs, err := loadStaticConfigs(path)
 			if err != nil {
 				// Do not return this error, since other paths may contain valid scrape configs.
-				if sws := swsMapPrev[path]; sws != nil {
-					// Re-use the previous valid scrape work for this path.
-					logger.Errorf("keeping the previously loaded `static_configs` from %q because of error when re-loading the file: %s", path, err)
-					dst = append(dst, sws...)
-				} else {
-					logger.Errorf("skipping loading `static_configs` from %q because of error: %s", path, err)
-				}
+				logger.Errorf("cannot load file %q for job_name=%q at `file_sd_configs`: %s; skipping this file", path, swc.jobName, err)
 				continue
 			}
 			pathShort := path
@@ -1033,7 +1035,6 @@ func (sdc *FileSDConfig) appendScrapeWork(dst []*ScrapeWork, swsMapPrev map[stri
 			}
 			metaLabels := map[string]string{
 				"__meta_filepath": pathShort,
-				"__vm_filepath":   path, // This label is needed for internal promscrape logic
 			}
 			for i := range stcs {
 				dst = stcs[i].appendScrapeWork(dst, swc, metaLabels)

lib/promscrape/config_test.go

@@ -731,15 +731,6 @@ func TestGetFileSDScrapeWorkSuccess(t *testing.T) {
 		}
 		resetNonEssentialFields(sws)
 
-		// Remove `__vm_filepath` label, since its value depends on the current working dir.
-		for _, sw := range sws {
-			for j := range sw.Labels {
-				label := &sw.Labels[j]
-				if label.Name == "__vm_filepath" {
-					label.Value = ""
-				}
-			}
-		}
 		if !reflect.DeepEqual(sws, expectedSws) {
 			t.Fatalf("unexpected scrapeWork; got\n%+v\nwant\n%+v", sws, expectedSws)
 		}
@@ -783,10 +774,6 @@ scrape_configs:
 					Name:  "__scrape_timeout__",
 					Value: "10s",
 				},
-				{
-					Name:  "__vm_filepath",
-					Value: "",
-				},
 				{
 					Name:  "instance",
 					Value: "host1:80",
@@ -830,10 +817,6 @@ scrape_configs:
 					Name:  "__scrape_timeout__",
 					Value: "10s",
 				},
-				{
-					Name:  "__vm_filepath",
-					Value: "",
-				},
 				{
 					Name:  "instance",
 					Value: "host2:80",
@@ -877,10 +860,6 @@ scrape_configs:
 					Name:  "__scrape_timeout__",
 					Value: "10s",
 				},
-				{
-					Name:  "__vm_filepath",
-					Value: "",
-				},
 				{
 					Name:  "instance",
 					Value: "localhost:9090",

lib/promscrape/discovery/azure/machine.go

@@ -3,6 +3,7 @@ package azure
 import (
 	"encoding/json"
 	"fmt"
+	"net/url"
 	"sync"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/cgroup"
@@ -61,24 +62,39 @@ type listAPIResponse struct {
 
 // visitAllAPIObjects iterates over list API with pagination and applies cb for each response object
 func visitAllAPIObjects(ac *apiConfig, apiURL string, cb func(data json.RawMessage) error) error {
-	nextLink := apiURL
-	for nextLink != "" {
-		resp, err := ac.c.GetAPIResponseWithReqParams(nextLink, func(request *fasthttp.Request) {
+	nextLinkURI := apiURL
+	for {
+		resp, err := ac.c.GetAPIResponseWithReqParams(nextLinkURI, func(request *fasthttp.Request) {
 			request.Header.Set("Authorization", "Bearer "+ac.mustGetAuthToken())
 		})
 		if err != nil {
-			return fmt.Errorf("cannot execute azure api request at %s: %w", nextLink, err)
+			return fmt.Errorf("cannot execute azure api request at %s: %w", nextLinkURI, err)
 		}
 		var lar listAPIResponse
 		if err := json.Unmarshal(resp, &lar); err != nil {
-			return fmt.Errorf("cannot parse azure api response %q obtained from %s: %w", resp, nextLink, err)
+			return fmt.Errorf("cannot parse azure api response %q obtained from %s: %w", resp, nextLinkURI, err)
 		}
 		for i := range lar.Value {
 			if err := cb(lar.Value[i]); err != nil {
 				return err
 			}
 		}
-		nextLink = lar.NextLink
+
+		// Azure API returns NextLink with apiServer in it, so we need to remove it.
+		// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3247
+		if lar.NextLink == "" {
+			break
+		}
+		nextURL, err := url.Parse(lar.NextLink)
+		if err != nil {
+			return fmt.Errorf("cannot parse nextLink from response %q: %w", lar.NextLink, err)
+		}
+
+		if nextURL.Host != "" && nextURL.Host != ac.c.APIServer() {
+			return fmt.Errorf("unexpected nextLink host %q, expecting %q", nextURL.Host, ac.c.APIServer())
+		}
+
+		nextLinkURI = nextURL.RequestURI()
 	}
 	return nil
 }

lib/promscrape/discovery/consul/consul.go

@@ -27,7 +27,7 @@ type SDConfig struct {
 	Tags              []string                   `yaml:"tags,omitempty"`
 	NodeMeta          map[string]string          `yaml:"node_meta,omitempty"`
 	TagSeparator      *string                    `yaml:"tag_separator,omitempty"`
-	AllowStale        bool                       `yaml:"allow_stale,omitempty"`
+	AllowStale        *bool                      `yaml:"allow_stale,omitempty"`
 	// RefreshInterval time.Duration `yaml:"refresh_interval"`
 	// refresh_interval is obtained from `-promscrape.consulSDCheckInterval` command-line option.
 }

lib/promscrape/discovery/consul/watch.go

@@ -45,7 +45,7 @@ type serviceWatcher struct {
 // newConsulWatcher creates new watcher and starts background service discovery for Consul.
 func newConsulWatcher(client *discoveryutils.Client, sdc *SDConfig, datacenter, namespace string) *consulWatcher {
 	baseQueryArgs := "?dc=" + url.QueryEscape(datacenter)
-	if sdc.AllowStale {
+	if sdc.AllowStale == nil || *sdc.AllowStale {
 		baseQueryArgs += "&stale"
 	}
 	if namespace != "" {

lib/promscrape/discovery/dockerswarm/api.go

@@ -16,6 +16,11 @@ type apiConfig struct {
 	client *discoveryutils.Client
 	port   int
 
+	// role is the type of objects to discover.
+	//
+	// filtersQueryArg is applied only to the given role - the rest of objects are queried without filters.
+	role string
+
 	// filtersQueryArg contains escaped `filters` query arg to add to each request to Docker Swarm API.
 	filtersQueryArg string
 }
@@ -49,11 +54,12 @@ func newAPIConfig(sdc *SDConfig, baseDir string) (*apiConfig, error) {
 		return nil, fmt.Errorf("cannot create HTTP client for %q: %w", sdc.Host, err)
 	}
 	cfg.client = client
+	cfg.role = sdc.Role
 	return cfg, nil
 }
 
-func (cfg *apiConfig) getAPIResponse(path string) ([]byte, error) {
-	if len(cfg.filtersQueryArg) > 0 {
+func (cfg *apiConfig) getAPIResponse(path, filtersQueryArg string) ([]byte, error) {
+	if len(filtersQueryArg) > 0 {
 		separator := "?"
 		if strings.Contains(path, "?") {
 			separator = "&"
@@ -63,20 +69,16 @@ func (cfg *apiConfig) getAPIResponse(path string) ([]byte, error) {
 	return cfg.client.GetAPIResponse(path)
 }
 
+// Encodes filters as `map[string][]string` and then marshals it to JSON.
+// Reference: https://docs.docker.com/engine/api/v1.41/#tag/Task
 func getFiltersQueryArg(filters []Filter) string {
 	if len(filters) == 0 {
 		return ""
 	}
-	m := make(map[string]map[string]bool)
+
+	m := make(map[string][]string)
 	for _, f := range filters {
-		x := m[f.Name]
-		if x == nil {
-			x = make(map[string]bool)
-			m[f.Name] = x
-		}
-		for _, value := range f.Values {
-			x[value] = true
-		}
+		m[f.Name] = f.Values
 	}
 	buf, err := json.Marshal(m)
 	if err != nil {

lib/promscrape/discovery/dockerswarm/api_test.go

@@ -22,5 +22,11 @@ func TestGetFiltersQueryArg(t *testing.T) {
 			Name:   "xxx",
 			Values: []string{"aa"},
 		},
-	}, "%7B%22name%22%3A%7B%22bar%22%3Atrue%2C%22foo%22%3Atrue%7D%2C%22xxx%22%3A%7B%22aa%22%3Atrue%7D%7D")
+	}, "%7B%22name%22%3A%5B%22foo%22%2C%22bar%22%5D%2C%22xxx%22%3A%5B%22aa%22%5D%7D")
+	f([]Filter{
+		{
+			Name:   "desired-state",
+			Values: []string{"running", "shutdown"},
+		},
+	}, "%7B%22desired-state%22%3A%5B%22running%22%2C%22shutdown%22%5D%7D")
 }

lib/promscrape/discovery/dockerswarm/network.go

@@ -27,7 +27,7 @@ func getNetworksLabelsByNetworkID(cfg *apiConfig) (map[string]map[string]string,
 }
 
 func getNetworks(cfg *apiConfig) ([]network, error) {
-	resp, err := cfg.getAPIResponse("/networks")
+	resp, err := cfg.getAPIResponse("/networks", "")
 	if err != nil {
 		return nil, fmt.Errorf("cannot query dockerswarm api for networks: %w", err)
 	}

lib/promscrape/discovery/dockerswarm/nodes.go

@@ -46,7 +46,11 @@ func getNodesLabels(cfg *apiConfig) ([]map[string]string, error) {
 }
 
 func getNodes(cfg *apiConfig) ([]node, error) {
-	resp, err := cfg.getAPIResponse("/nodes")
+	filtersQueryArg := ""
+	if cfg.role == "nodes" {
+		filtersQueryArg = cfg.filtersQueryArg
+	}
+	resp, err := cfg.getAPIResponse("/nodes", filtersQueryArg)
 	if err != nil {
 		return nil, fmt.Errorf("cannot query dockerswarm api for nodes: %w", err)
 	}