docs: add vmanomaly docs about licensing

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>

.github/workflows/check-licenses.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@main
         with:
-          go-version: 1.21.0
+          go-version: 1.20.7
         id: go
       - name: Code checkout
         uses: actions/checkout@master

.github/workflows/codeql-analysis.yml

@@ -57,7 +57,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.0
+          go-version: 1.20.7
           check-latest: true
           cache: true
         if: ${{ matrix.language == 'go' }}

.github/workflows/main.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.0
+          go-version: 1.20.7
           check-latest: true
           cache: true
 
@@ -56,7 +56,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.0
+          go-version: 1.20.7
           check-latest: true
           cache: true
 
@@ -81,7 +81,7 @@ jobs:
         id: go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.0
+          go-version: 1.20.7
           check-latest: true
           cache: true
 

Makefile

@@ -174,7 +174,6 @@ vmutils-crossbuild: \
 	vmutils-windows-amd64
 
 publish-release:
-	rm -rf bin/*
 	git checkout $(TAG) && LATEST_TAG=stable $(MAKE) release publish && \
 		git checkout $(TAG)-cluster && LATEST_TAG=cluster-stable $(MAKE) release publish && \
 		git checkout $(TAG)-enterprise && LATEST_TAG=enterprise-stable $(MAKE) release publish && \
@@ -464,7 +463,7 @@ golangci-lint: install-golangci-lint
 	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 v1.54.2
+	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
 
 govulncheck: install-govulncheck
 	govulncheck ./...

README.md

@@ -173,8 +173,7 @@ VictoriaMetrics is developed at a fast pace, so it is recommended periodically c
 
 ### Environment variables
 
-All the VictoriaMetrics components allow referring environment variables in `yaml` configuration files (such as `-promscrape.config`)
-and in command-line flags via `%{ENV_VAR}` syntax.
+All the VictoriaMetrics components allow referring environment variables in command-line flags via `%{ENV_VAR}` syntax.
 For example, `-metricsAuthKey=%{METRICS_AUTH_KEY}` is automatically expanded to `-metricsAuthKey=top-secret`
 if `METRICS_AUTH_KEY=top-secret` environment variable exists at VictoriaMetrics startup.
 This expansion is performed by VictoriaMetrics itself.

app/vlinsert/elasticsearch/elasticsearch.go

@@ -3,7 +3,6 @@ package elasticsearch
 import (
 	"bufio"
 	"errors"
-	"flag"
 	"fmt"
 	"io"
 	"math"
@@ -25,10 +24,6 @@ import (
 	"github.com/VictoriaMetrics/metrics"
 )
 
-var (
-	elasticsearchVersion = flag.String("elasticsearch.version", "8.9.0", "Elasticsearch version to report to client")
-)
-
 // RequestHandler processes Elasticsearch insert requests
 func RequestHandler(path string, w http.ResponseWriter, r *http.Request) bool {
 	w.Header().Add("Content-Type", "application/json")
@@ -65,9 +60,9 @@ func RequestHandler(path string, w http.ResponseWriter, r *http.Request) bool {
 			// See the latest available version for Elasticsearch at https://github.com/elastic/elasticsearch/releases
 			fmt.Fprintf(w, `{
 			"version": {
-				"number": %q
+				"number": "8.8.0"
 			}
-		}`, *elasticsearchVersion)
+		}`)
 		case http.MethodHead:
 			// Return empty response for Logstash ping request.
 		}

app/vlselect/vmui/asset-manifest.json

@@ -1,14 +1,14 @@
 {
   "files": {
-    "main.css": "./static/css/main.5f91b1c5.css",
-    "main.js": "./static/js/main.7226aaff.js",
+    "main.css": "./static/css/main.5f461a27.css",
+    "main.js": "./static/js/main.7566144a.js",
     "static/js/522.b5ae4365.chunk.js": "./static/js/522.b5ae4365.chunk.js",
     "static/media/Lato-Regular.ttf": "./static/media/Lato-Regular.d714fec1633b69a9c2e9.ttf",
     "static/media/Lato-Bold.ttf": "./static/media/Lato-Bold.32360ba4b57802daa4d6.ttf",
     "index.html": "./index.html"
   },
   "entrypoints": [
-    "static/css/main.5f91b1c5.css",
-    "static/js/main.7226aaff.js"
+    "static/css/main.5f461a27.css",
+    "static/js/main.7566144a.js"
   ]
 }

app/vlselect/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,maximum-scale=1,user-scalable=no"/><meta name="theme-color" content="#000000"/><meta name="description" content="UI for VictoriaMetrics"/><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><script src="./dashboards/index.js" type="module"></script><meta name="twitter:card" content="summary_large_image"><meta name="twitter:image" content="./preview.jpg"><meta name="twitter:title" content="UI for VictoriaMetrics"><meta name="twitter:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta name="twitter:site" content="@VictoriaMetrics"><meta property="og:title" content="Metric explorer for VictoriaMetrics"><meta property="og:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta property="og:image" content="./preview.jpg"><meta property="og:type" content="website"><script defer="defer" src="./static/js/main.7226aaff.js"></script><link href="./static/css/main.5f91b1c5.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,maximum-scale=1,user-scalable=no"/><meta name="theme-color" content="#000000"/><meta name="description" content="UI for VictoriaMetrics"/><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><script src="./dashboards/index.js" type="module"></script><meta name="twitter:card" content="summary_large_image"><meta name="twitter:image" content="./preview.jpg"><meta name="twitter:title" content="UI for VictoriaMetrics"><meta name="twitter:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta name="twitter:site" content="@VictoriaMetrics"><meta property="og:title" content="Metric explorer for VictoriaMetrics"><meta property="og:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta property="og:image" content="./preview.jpg"><meta property="og:type" content="website"><script defer="defer" src="./static/js/main.7566144a.js"></script><link href="./static/css/main.5f461a27.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>

app/vmagent/opentelemetry/request_handler.go

@@ -1,7 +1,6 @@
 package opentelemetry
 
 import (
-	"fmt"
 	"net/http"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/common"
@@ -27,9 +26,6 @@ func InsertHandler(at *auth.Token, req *http.Request) error {
 		return err
 	}
 	isGzipped := req.Header.Get("Content-Encoding") == "gzip"
-	if req.Header.Get("Content-Type") == "application/json" {
-		return fmt.Errorf("json encoding isn't supported for opentelemetry format. Use protobuf encoding")
-	}
 	return stream.ParseStream(req.Body, isGzipped, func(tss []prompbmarshal.TimeSeries) error {
 		return insertRows(at, tss, extraLabels)
 	})

app/vmagent/remotewrite/client.go

@@ -2,7 +2,6 @@ package remotewrite
 
 import (
 	"bytes"
-	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -27,10 +26,10 @@ var (
 	forceVMProto = flagutil.NewArrayBool("remoteWrite.forceVMProto", "Whether to force VictoriaMetrics remote write protocol for sending data "+
 		"to the corresponding -remoteWrite.url . See https://docs.victoriametrics.com/vmagent.html#victoriametrics-remote-write-protocol")
 
-	rateLimit = flagutil.NewArrayInt("remoteWrite.rateLimit", 0, "Optional rate limit in bytes per second for data sent to the corresponding -remoteWrite.url. "+
+	rateLimit = flagutil.NewArrayInt("remoteWrite.rateLimit", "Optional rate limit in bytes per second for data sent to the corresponding -remoteWrite.url. "+
 		"By default, the rate limit is disabled. It can be useful for limiting load on remote storage when big amounts of buffered data "+
 		"is sent after temporary unavailability of the remote storage")
-	sendTimeout = flagutil.NewArrayDuration("remoteWrite.sendTimeout", time.Minute, "Timeout for sending a single block of data to the corresponding -remoteWrite.url")
+	sendTimeout = flagutil.NewArrayDuration("remoteWrite.sendTimeout", "Timeout for sending a single block of data to the corresponding -remoteWrite.url (default 1m)")
 	proxyURL    = flagutil.NewArrayString("remoteWrite.proxyURL", "Optional proxy URL for writing data to the corresponding -remoteWrite.url. "+
 		"Supported proxies: http, https, socks5. Example: -remoteWrite.proxyURL=socks5://proxy:1234")
 
@@ -135,7 +134,7 @@ func newHTTPClient(argIdx int, remoteWriteURL, sanitizedURL string, fq *persiste
 	}
 	hc := &http.Client{
 		Transport: tr,
-		Timeout:   sendTimeout.GetOptionalArg(argIdx),
+		Timeout:   sendTimeout.GetOptionalArgOrDefault(argIdx, time.Minute),
 	}
 	c := &client{
 		sanitizedURL:   sanitizedURL,
@@ -170,7 +169,7 @@ func newHTTPClient(argIdx int, remoteWriteURL, sanitizedURL string, fq *persiste
 }
 
 func (c *client) init(argIdx, concurrency int, sanitizedURL string) {
-	if bytesPerSec := rateLimit.GetOptionalArg(argIdx); bytesPerSec > 0 {
+	if bytesPerSec := rateLimit.GetOptionalArgOrDefault(argIdx, 0); bytesPerSec > 0 {
 		logger.Infof("applying %d bytes per second rate limit for -remoteWrite.url=%q", bytesPerSec, sanitizedURL)
 		c.rl.perSecondLimit = int64(bytesPerSec)
 	}
@@ -179,7 +178,7 @@ func (c *client) init(argIdx, concurrency int, sanitizedURL string) {
 	c.bytesSent = metrics.GetOrCreateCounter(fmt.Sprintf(`vmagent_remotewrite_bytes_sent_total{url=%q}`, c.sanitizedURL))
 	c.blocksSent = metrics.GetOrCreateCounter(fmt.Sprintf(`vmagent_remotewrite_blocks_sent_total{url=%q}`, c.sanitizedURL))
 	c.rateLimit = metrics.GetOrCreateGauge(fmt.Sprintf(`vmagent_remotewrite_rate_limit{url=%q}`, c.sanitizedURL), func() float64 {
-		return float64(rateLimit.GetOptionalArg(argIdx))
+		return float64(rateLimit.GetOptionalArgOrDefault(argIdx, 0))
 	})
 	c.requestDuration = metrics.GetOrCreateHistogram(fmt.Sprintf(`vmagent_remotewrite_duration_seconds{url=%q}`, c.sanitizedURL))
 	c.requestsOKCount = metrics.GetOrCreateCounter(fmt.Sprintf(`vmagent_remotewrite_requests_total{url=%q, status_code="2XX"}`, c.sanitizedURL))
@@ -323,20 +322,6 @@ func (c *client) runWorker() {
 }
 
 func (c *client) doRequest(url string, body []byte) (*http.Response, error) {
-	req := c.newRequest(url, body)
-	resp, err := c.hc.Do(req)
-	if err != nil && errors.Is(err, io.EOF) {
-		// it is likely connection became stale.
-		// So we do one more attempt in hope request will succeed.
-		// If not, the error should be handled by the caller as usual.
-		// This should help with https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4139
-		req = c.newRequest(url, body)
-		resp, err = c.hc.Do(req)
-	}
-	return resp, err
-}
-
-func (c *client) newRequest(url string, body []byte) *http.Request {
 	reqBody := bytes.NewBuffer(body)
 	req, err := http.NewRequest(http.MethodPost, url, reqBody)
 	if err != nil {
@@ -360,7 +345,7 @@ func (c *client) newRequest(url string, body []byte) *http.Request {
 			logger.Warnf("cannot sign remoteWrite request with AWS sigv4: %s", err)
 		}
 	}
-	return req
+	return c.hc.Do(req)
 }
 
 // sendBlockHTTP sends the given block to c.remoteWriteURL.

app/vmagent/remotewrite/relabel.go

@@ -87,8 +87,8 @@ func initLabelsGlobal() {
 	}
 }
 
-func (rctx *relabelCtx) applyRelabeling(tss []prompbmarshal.TimeSeries, pcs *promrelabel.ParsedConfigs) []prompbmarshal.TimeSeries {
-	if pcs.Len() == 0 && !*usePromCompatibleNaming {
+func (rctx *relabelCtx) applyRelabeling(tss []prompbmarshal.TimeSeries, extraLabels []prompbmarshal.Label, pcs *promrelabel.ParsedConfigs) []prompbmarshal.TimeSeries {
+	if len(extraLabels) == 0 && pcs.Len() == 0 && !*usePromCompatibleNaming {
 		// Nothing to change.
 		return tss
 	}
@@ -98,15 +98,34 @@ func (rctx *relabelCtx) applyRelabeling(tss []prompbmarshal.TimeSeries, pcs *pro
 		ts := &tss[i]
 		labelsLen := len(labels)
 		labels = append(labels, ts.Labels...)
+		// extraLabels must be added before applying relabeling according to https://prometheus.io/docs/prometheus/latest/configuration/configuration/#remote_write
+		for j := range extraLabels {
+			extraLabel := &extraLabels[j]
+			tmp := promrelabel.GetLabelByName(labels[labelsLen:], extraLabel.Name)
+			if tmp != nil {
+				tmp.Value = extraLabel.Value
+			} else {
+				labels = append(labels, *extraLabel)
+			}
+		}
+		if *usePromCompatibleNaming {
+			// Replace unsupported Prometheus chars in label names and metric names with underscores.
+			tmpLabels := labels[labelsLen:]
+			for j := range tmpLabels {
+				label := &tmpLabels[j]
+				if label.Name == "__name__" {
+					label.Value = promrelabel.SanitizeName(label.Value)
+				} else {
+					label.Name = promrelabel.SanitizeName(label.Name)
+				}
+			}
+		}
 		labels = pcs.Apply(labels, labelsLen)
 		labels = promrelabel.FinalizeLabels(labels[:labelsLen], labels[labelsLen:])
 		if len(labels) == labelsLen {
 			// Drop the current time series, since relabeling removed all the labels.
 			continue
 		}
-		if *usePromCompatibleNaming {
-			fixPromCompatibleNaming(labels[labelsLen:])
-		}
 		tssDst = append(tssDst, prompbmarshal.TimeSeries{
 			Labels:  labels[labelsLen:],
 			Samples: ts.Samples,
@@ -116,32 +135,6 @@ func (rctx *relabelCtx) applyRelabeling(tss []prompbmarshal.TimeSeries, pcs *pro
 	return tssDst
 }
 
-func (rctx *relabelCtx) appendExtraLabels(tss []prompbmarshal.TimeSeries, extraLabels []prompbmarshal.Label) {
-	if len(extraLabels) == 0 {
-		return
-	}
-	labels := rctx.labels[:0]
-	for i := range tss {
-		ts := &tss[i]
-		labelsLen := len(labels)
-		labels = append(labels, ts.Labels...)
-		for j := range extraLabels {
-			extraLabel := extraLabels[j]
-			if *usePromCompatibleNaming {
-				extraLabel.Name = promrelabel.SanitizeLabelName(extraLabel.Name)
-			}
-			tmp := promrelabel.GetLabelByName(labels[labelsLen:], extraLabel.Name)
-			if tmp != nil {
-				tmp.Value = extraLabel.Value
-			} else {
-				labels = append(labels, extraLabel)
-			}
-		}
-		ts.Labels = labels[labelsLen:]
-	}
-	rctx.labels = labels
-}
-
 type relabelCtx struct {
 	// pool for labels, which are used during the relabeling.
 	labels []prompbmarshal.Label
@@ -166,15 +159,3 @@ func putRelabelCtx(rctx *relabelCtx) {
 	rctx.labels = rctx.labels[:0]
 	relabelCtxPool.Put(rctx)
 }
-
-func fixPromCompatibleNaming(labels []prompbmarshal.Label) {
-	// Replace unsupported Prometheus chars in label names and metric names with underscores.
-	for i := range labels {
-		label := &labels[i]
-		if label.Name == "__name__" {
-			label.Value = promrelabel.SanitizeMetricName(label.Value)
-		} else {
-			label.Name = promrelabel.SanitizeLabelName(label.Name)
-		}
-	}
-}

app/vmagent/remotewrite/relabel_test.go

@@ -10,16 +10,18 @@ import (
 )
 
 func TestApplyRelabeling(t *testing.T) {
-	f := func(pcs *promrelabel.ParsedConfigs, sTss, sExpTss string) {
+	f := func(extraLabels []prompbmarshal.Label, pcs *promrelabel.ParsedConfigs, sTss, sExpTss string) {
 		rctx := &relabelCtx{}
 		tss, expTss := parseSeries(sTss), parseSeries(sExpTss)
-		gotTss := rctx.applyRelabeling(tss, pcs)
+		gotTss := rctx.applyRelabeling(tss, extraLabels, pcs)
 		if !reflect.DeepEqual(gotTss, expTss) {
 			t.Fatalf("expected to have: \n%v;\ngot: \n%v", expTss, gotTss)
 		}
 	}
 
-	f(nil, "up", "up")
+	f(nil, nil, "up", "up")
+	f([]prompbmarshal.Label{{Name: "foo", Value: "bar"}}, nil, "up", `up{foo="bar"}`)
+	f([]prompbmarshal.Label{{Name: "foo", Value: "bar"}}, nil, `up{foo="baz"}`, `up{foo="bar"}`)
 
 	pcs, err := promrelabel.ParseRelabelConfigsData([]byte(`
 - target_label: "foo"
@@ -30,32 +32,11 @@ func TestApplyRelabeling(t *testing.T) {
 	if err != nil {
 		t.Fatalf("unexpected error: %s", err)
 	}
-	f(pcs, `up{foo="baz", env="prod"}`, `up{foo="aaa"}`)
+	f(nil, pcs, `up{foo="baz", env="prod"}`, `up{foo="aaa"}`)
 
 	oldVal := *usePromCompatibleNaming
 	*usePromCompatibleNaming = true
-	f(nil, `foo.bar`, `foo_bar`)
-	*usePromCompatibleNaming = oldVal
-}
-
-func TestAppendExtraLabels(t *testing.T) {
-	f := func(extraLabels []prompbmarshal.Label, sTss, sExpTss string) {
-		rctx := &relabelCtx{}
-		tss, expTss := parseSeries(sTss), parseSeries(sExpTss)
-		rctx.appendExtraLabels(tss, extraLabels)
-		if !reflect.DeepEqual(tss, expTss) {
-			t.Fatalf("expected to have: \n%v;\ngot: \n%v", expTss, tss)
-		}
-	}
-
-	f(nil, "up", "up")
-	f([]prompbmarshal.Label{{Name: "foo", Value: "bar"}}, "up", `up{foo="bar"}`)
-	f([]prompbmarshal.Label{{Name: "foo", Value: "bar"}}, `up{foo="baz"}`, `up{foo="bar"}`)
-	f([]prompbmarshal.Label{{Name: "baz", Value: "qux"}}, `up{foo="baz"}`, `up{foo="baz",baz="qux"}`)
-
-	oldVal := *usePromCompatibleNaming
-	*usePromCompatibleNaming = true
-	f([]prompbmarshal.Label{{Name: "foo.bar", Value: "baz"}}, "up", `up{foo_bar="baz"}`)
+	f(nil, nil, `foo.bar`, `foo_bar`)
 	*usePromCompatibleNaming = oldVal
 }
 

app/vmagent/remotewrite/remotewrite.go

@@ -10,6 +10,8 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/cespare/xxhash/v2"
+
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bloomfilter"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
@@ -26,7 +28,6 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/streamaggr"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
-	"github.com/cespare/xxhash/v2"
 )
 
 var (
@@ -48,15 +49,14 @@ var (
 		"isn't enough for sending high volume of collected data to remote storage. Default value is 2 * numberOfAvailableCPUs")
 	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")
-	maxPendingBytesPerURL = flagutil.NewArrayBytes("remoteWrite.maxDiskUsagePerURL", 0, "The maximum file-based buffer size in bytes at -remoteWrite.tmpDataPath "+
+	maxPendingBytesPerURL = flagutil.NewArrayBytes("remoteWrite.maxDiskUsagePerURL", "The maximum file-based buffer size in bytes at -remoteWrite.tmpDataPath "+
 		"for each -remoteWrite.url. When buffer size reaches the configured maximum, then old data is dropped when adding new data to the buffer. "+
 		"Buffered data is stored in ~500MB chunks. It is recommended to set the value for this flag to a multiple of the block size 500MB. "+
 		"Disk usage is unlimited if the value is set to 0")
-	significantFigures = flagutil.NewArrayInt("remoteWrite.significantFigures", 0, "The number of significant figures to leave in metric values before writing them "+
+	significantFigures = flagutil.NewArrayInt("remoteWrite.significantFigures", "The number of significant figures to leave in metric values before writing them "+
 		"to remote storage. See https://en.wikipedia.org/wiki/Significant_figures . Zero value saves all the significant figures. "+
 		"This option may be used for improving data compression for the stored metrics. See also -remoteWrite.roundDigits")
-	roundDigits = flagutil.NewArrayInt("remoteWrite.roundDigits", 100, "Round metric values to this number of decimal digits after the point before "+
-		"writing them to remote storage. "+
+	roundDigits = flagutil.NewArrayInt("remoteWrite.roundDigits", "Round metric values to this number of decimal digits after the point before writing them to remote storage. "+
 		"Examples: -remoteWrite.roundDigits=2 would round 1.236 to 1.24, while -remoteWrite.roundDigits=-1 would round 126.78 to 130. "+
 		"By default, digits rounding is disabled. Set it to 100 for disabling it for a particular remote storage. "+
 		"This option may be used for improving data compression for the stored metrics")
@@ -78,7 +78,7 @@ var (
 	streamAggrDropInput = flagutil.NewArrayBool("remoteWrite.streamAggr.dropInput", "Whether to drop all the input samples after the aggregation "+
 		"with -remoteWrite.streamAggr.config. By default, only aggregates samples are dropped, while the remaining samples "+
 		"are written to the corresponding -remoteWrite.url . See also -remoteWrite.streamAggr.keepInput and https://docs.victoriametrics.com/stream-aggregation.html")
-	streamAggrDedupInterval = flagutil.NewArrayDuration("remoteWrite.streamAggr.dedupInterval", 0, "Input samples are de-duplicated with this interval before being aggregated. "+
+	streamAggrDedupInterval = flagutil.NewArrayDuration("remoteWrite.streamAggr.dedupInterval", "Input samples are de-duplicated with this interval before being aggregated. "+
 		"Only the last sample per each time series per each interval is aggregated if the interval is greater than zero")
 )
 
@@ -258,7 +258,7 @@ func newRemoteWriteCtxs(at *auth.Token, urls []string) []*remoteWriteCtx {
 		if *showRemoteWriteURL {
 			sanitizedURL = fmt.Sprintf("%d:%s", i+1, remoteWriteURL)
 		}
-		rwctxs[i] = newRemoteWriteCtx(i, remoteWriteURL, maxInmemoryBlocks, sanitizedURL)
+		rwctxs[i] = newRemoteWriteCtx(i, at, remoteWriteURL, maxInmemoryBlocks, sanitizedURL)
 	}
 
 	if !*keepDanglingQueues {
@@ -355,7 +355,7 @@ func Push(at *auth.Token, wr *prompbmarshal.WriteRequest) {
 	var rctx *relabelCtx
 	rcs := allRelabelConfigs.Load()
 	pcsGlobal := rcs.global
-	if pcsGlobal.Len() > 0 {
+	if pcsGlobal.Len() > 0 || len(labelsGlobal) > 0 {
 		rctx = getRelabelCtx()
 	}
 	tss := wr.Timeseries
@@ -386,7 +386,7 @@ func Push(at *auth.Token, wr *prompbmarshal.WriteRequest) {
 		}
 		if rctx != nil {
 			rowsCountBeforeRelabel := getRowsCount(tssBlock)
-			tssBlock = rctx.applyRelabeling(tssBlock, pcsGlobal)
+			tssBlock = rctx.applyRelabeling(tssBlock, labelsGlobal, pcsGlobal)
 			rowsCountAfterRelabel := getRowsCount(tssBlock)
 			rowsDroppedByGlobalRelabel.Add(rowsCountBeforeRelabel - rowsCountAfterRelabel)
 		}
@@ -559,14 +559,14 @@ type remoteWriteCtx struct {
 	rowsDroppedByRelabel   *metrics.Counter
 }
 
-func newRemoteWriteCtx(argIdx int, remoteWriteURL *url.URL, maxInmemoryBlocks int, sanitizedURL string) *remoteWriteCtx {
+func newRemoteWriteCtx(argIdx int, at *auth.Token, remoteWriteURL *url.URL, maxInmemoryBlocks int, sanitizedURL string) *remoteWriteCtx {
 	// strip query params, otherwise changing params resets pq
 	pqURL := *remoteWriteURL
 	pqURL.RawQuery = ""
 	pqURL.Fragment = ""
 	h := xxhash.Sum64([]byte(pqURL.String()))
 	queuePath := filepath.Join(*tmpDataPath, persistentQueueDirname, fmt.Sprintf("%d_%016X", argIdx+1, h))
-	maxPendingBytes := maxPendingBytesPerURL.GetOptionalArg(argIdx)
+	maxPendingBytes := maxPendingBytesPerURL.GetOptionalArgOrDefault(argIdx, 0)
 	if maxPendingBytes != 0 && maxPendingBytes < persistentqueue.DefaultChunkFileSize {
 		// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4195
 		logger.Warnf("rounding the -remoteWrite.maxDiskUsagePerURL=%d to the minimum supported value: %d", maxPendingBytes, persistentqueue.DefaultChunkFileSize)
@@ -590,8 +590,8 @@ func newRemoteWriteCtx(argIdx int, remoteWriteURL *url.URL, maxInmemoryBlocks in
 	c.init(argIdx, *queues, sanitizedURL)
 
 	// Initialize pss
-	sf := significantFigures.GetOptionalArg(argIdx)
-	rd := roundDigits.GetOptionalArg(argIdx)
+	sf := significantFigures.GetOptionalArgOrDefault(argIdx, 0)
+	rd := roundDigits.GetOptionalArgOrDefault(argIdx, 100)
 	pssLen := *queues
 	if n := cgroup.AvailableCPUs(); pssLen > n {
 		// There is no sense in running more than availableCPUs concurrent pendingSeries,
@@ -616,7 +616,7 @@ func newRemoteWriteCtx(argIdx int, remoteWriteURL *url.URL, maxInmemoryBlocks in
 	// Initialize sas
 	sasFile := streamAggrConfig.GetOptionalArg(argIdx)
 	if sasFile != "" {
-		dedupInterval := streamAggrDedupInterval.GetOptionalArg(argIdx)
+		dedupInterval := streamAggrDedupInterval.GetOptionalArgOrDefault(argIdx, 0)
 		sas, err := streamaggr.LoadFromFile(sasFile, rwctx.pushInternal, dedupInterval)
 		if err != nil {
 			logger.Fatalf("cannot initialize stream aggregators from -remoteWrite.streamAggr.config=%q: %s", sasFile, err)
@@ -668,7 +668,7 @@ func (rwctx *remoteWriteCtx) Push(tss []prompbmarshal.TimeSeries) {
 		v = tssPool.Get().(*[]prompbmarshal.TimeSeries)
 		tss = append(*v, tss...)
 		rowsCountBeforeRelabel := getRowsCount(tss)
-		tss = rctx.applyRelabeling(tss, pcs)
+		tss = rctx.applyRelabeling(tss, nil, pcs)
 		rowsCountAfterRelabel := getRowsCount(tss)
 		rwctx.rowsDroppedByRelabel.Add(rowsCountBeforeRelabel - rowsCountAfterRelabel)
 	}
@@ -705,13 +705,11 @@ var matchIdxsPool bytesutil.ByteBufferPool
 
 func dropAggregatedSeries(src []prompbmarshal.TimeSeries, matchIdxs []byte, dropInput bool) []prompbmarshal.TimeSeries {
 	dst := src[:0]
-	if !dropInput {
-		for i, match := range matchIdxs {
-			if match == 1 {
-				continue
-			}
-			dst = append(dst, src[i])
+	for i, match := range matchIdxs {
+		if match == 0 {
+			continue
 		}
+		dst = append(dst, src[i])
 	}
 	tail := src[len(dst):]
 	_ = prompbmarshal.ResetTimeSeries(tail)
@@ -719,12 +717,6 @@ func dropAggregatedSeries(src []prompbmarshal.TimeSeries, matchIdxs []byte, drop
 }
 
 func (rwctx *remoteWriteCtx) pushInternal(tss []prompbmarshal.TimeSeries) {
-	if len(labelsGlobal) > 0 {
-		rctx := getRelabelCtx()
-		defer putRelabelCtx(rctx)
-		rctx.appendExtraLabels(tss, labelsGlobal)
-	}
-
 	pss := rwctx.pss
 	idx := atomic.AddUint64(&rwctx.pssNextIdx, 1) % uint64(len(pss))
 	pss[idx].Push(tss)
@@ -740,7 +732,7 @@ func (rwctx *remoteWriteCtx) reinitStreamAggr() {
 	sasFile := streamAggrConfig.GetOptionalArg(rwctx.idx)
 	logger.Infof("reloading stream aggregation configs pointed by -remoteWrite.streamAggr.config=%q", sasFile)
 	metrics.GetOrCreateCounter(fmt.Sprintf(`vmagent_streamaggr_config_reloads_total{path=%q}`, sasFile)).Inc()
-	dedupInterval := streamAggrDedupInterval.GetOptionalArg(rwctx.idx)
+	dedupInterval := streamAggrDedupInterval.GetOptionalArgOrDefault(rwctx.idx, 0)
 	sasNew, err := streamaggr.LoadFromFile(sasFile, rwctx.pushInternal, dedupInterval)
 	if err != nil {
 		metrics.GetOrCreateCounter(fmt.Sprintf(`vmagent_streamaggr_config_reloads_errors_total{path=%q}`, sasFile)).Inc()
@@ -782,7 +774,7 @@ func CheckStreamAggrConfigs() error {
 		if sasFile == "" {
 			continue
 		}
-		dedupInterval := streamAggrDedupInterval.GetOptionalArg(idx)
+		dedupInterval := streamAggrDedupInterval.GetOptionalArgOrDefault(idx, 0)
 		sas, err := streamaggr.LoadFromFile(sasFile, pushNoop, dedupInterval)
 		if err != nil {
 			return fmt.Errorf("cannot load -remoteWrite.streamAggr.config=%q: %w", sasFile, err)

app/vmagent/remotewrite/statconn.go

@@ -27,7 +27,7 @@ var (
 	stdDialerOnce sync.Once
 )
 
-func statDial(ctx context.Context, _, addr string) (conn net.Conn, err error) {
+func statDial(ctx context.Context, networkUnused, addr string) (conn net.Conn, err error) {
 	network := netutil.GetTCPNetwork()
 	d := getStdDialer()
 	conn, err = d.DialContext(ctx, network, addr)

app/vmalert/README.md

@@ -117,11 +117,11 @@ name: <string>
 [ limit: <int> | default = 0 ]
 
 # How many rules execute at once within a group. Increasing concurrency may speed
-# up group's evaluation duration (exposed via `vmalert_iteration_duration_seconds` metric).
+# up round execution speed.
 [ concurrency: <integer> | default = 1 ]
 
 # Optional type for expressions inside the rules. Supported values: "graphite" and "prometheus".
-# By default, "prometheus" type is used.
+# By default "prometheus" type is used.
 [ type: <string> ]
 
 # Optional list of HTTP URL parameters

app/vmalert/alerting_test.go

@@ -872,6 +872,7 @@ func TestAlertingRule_Template(t *testing.T) {
 				gotAlert := tc.rule.alerts[hash]
 				if gotAlert == nil {
 					t.Fatalf("alert %d is missing; labels: %v; annotations: %v", hash, expAlert.Labels, expAlert.Annotations)
+					break
 				}
 				if !reflect.DeepEqual(expAlert.Annotations, gotAlert.Annotations) {
 					t.Fatalf("expected to have annotations %#v; got %#v", expAlert.Annotations, gotAlert.Annotations)

app/vmalert/datasource/vm.go

@@ -127,14 +127,21 @@ func NewVMStorage(baseURL string, authCfg *promauth.Config, lookBack time.Durati
 
 // Query executes the given query and returns parsed response
 func (s *VMStorage) Query(ctx context.Context, query string, ts time.Time) (Result, *http.Request, error) {
-	req := s.newQueryRequest(query, ts)
-	resp, err := s.do(ctx, req)
-	if errors.Is(err, io.EOF) || errors.Is(err, io.ErrUnexpectedEOF) {
-		// something in the middle between client and datasource might be closing
-		// the connection. So we do a one more attempt in hope request will succeed.
-		req = s.newQueryRequest(query, ts)
-		resp, err = s.do(ctx, req)
+	req, err := s.newRequestPOST()
+	if err != nil {
+		return Result{}, nil, err
 	}
+
+	switch s.dataSourceType {
+	case "", datasourcePrometheus:
+		s.setPrometheusInstantReqParams(req, query, ts)
+	case datasourceGraphite:
+		s.setGraphiteReqParams(req, query, ts)
+	default:
+		return Result{}, nil, fmt.Errorf("engine not found: %q", s.dataSourceType)
+	}
+
+	resp, err := s.do(ctx, req)
 	if err != nil {
 		return Result{}, req, err
 	}
@@ -157,20 +164,18 @@ func (s *VMStorage) QueryRange(ctx context.Context, query string, start, end tim
 	if s.dataSourceType != datasourcePrometheus {
 		return res, fmt.Errorf("%q is not supported for QueryRange", s.dataSourceType)
 	}
+	req, err := s.newRequestPOST()
+	if err != nil {
+		return res, err
+	}
 	if start.IsZero() {
 		return res, fmt.Errorf("start param is missing")
 	}
 	if end.IsZero() {
 		return res, fmt.Errorf("end param is missing")
 	}
-	req := s.newQueryRangeRequest(query, start, end)
+	s.setPrometheusRangeReqParams(req, query, start, end)
 	resp, err := s.do(ctx, req)
-	if errors.Is(err, io.EOF) || errors.Is(err, io.ErrUnexpectedEOF) {
-		// something in the middle between client and datasource might be closing
-		// the connection. So we do a one more attempt in hope request will succeed.
-		req = s.newQueryRangeRequest(query, start, end)
-		resp, err = s.do(ctx, req)
-	}
 	if err != nil {
 		return res, err
 	}
@@ -185,6 +190,11 @@ func (s *VMStorage) do(ctx context.Context, req *http.Request) (*http.Response,
 		logger.Infof("DEBUG datasource request: executing %s request with params %q", req.Method, req.URL.RawQuery)
 	}
 	resp, err := s.c.Do(req.WithContext(ctx))
+	if errors.Is(err, io.EOF) || errors.Is(err, io.ErrUnexpectedEOF) {
+		// something in the middle between client and datasource might be closing
+		// the connection. So we do a one more attempt in hope request will succeed.
+		resp, err = s.c.Do(req.WithContext(ctx))
+	}
 	if err != nil {
 		return nil, fmt.Errorf("error getting response from %s: %w", req.URL.Redacted(), err)
 	}
@@ -196,29 +206,10 @@ func (s *VMStorage) do(ctx context.Context, req *http.Request) (*http.Response,
 	return resp, nil
 }
 
-func (s *VMStorage) newQueryRangeRequest(query string, start, end time.Time) *http.Request {
-	req := s.newRequest()
-	s.setPrometheusRangeReqParams(req, query, start, end)
-	return req
-}
-
-func (s *VMStorage) newQueryRequest(query string, ts time.Time) *http.Request {
-	req := s.newRequest()
-	switch s.dataSourceType {
-	case "", datasourcePrometheus:
-		s.setPrometheusInstantReqParams(req, query, ts)
-	case datasourceGraphite:
-		s.setGraphiteReqParams(req, query, ts)
-	default:
-		logger.Panicf("BUG: engine not found: %q", s.dataSourceType)
-	}
-	return req
-}
-
-func (s *VMStorage) newRequest() *http.Request {
+func (s *VMStorage) newRequestPOST() (*http.Request, error) {
 	req, err := http.NewRequest(http.MethodPost, s.datasourceURL, nil)
 	if err != nil {
-		logger.Panicf("BUG: unexpected error from http.NewRequest(%q): %s", s.datasourceURL, err)
+		return nil, err
 	}
 	req.Header.Set("Content-Type", "application/json")
 	if s.authCfg != nil {
@@ -227,5 +218,5 @@ func (s *VMStorage) newRequest() *http.Request {
 	for _, h := range s.extraHeaders {
 		req.Header.Set(h.key, h.value)
 	}
-	return req
+	return req, nil
 }

app/vmalert/datasource/vm_test.go

@@ -629,7 +629,10 @@ func TestRequestParams(t *testing.T) {
 
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
-			req := tc.vm.newRequest()
+			req, err := tc.vm.newRequestPOST()
+			if err != nil {
+				t.Fatalf("unexpected error: %s", err)
+			}
 			switch tc.vm.dataSourceType {
 			case "", datasourcePrometheus:
 				if tc.queryRange {
@@ -724,7 +727,10 @@ func TestHeaders(t *testing.T) {
 	for _, tt := range testCases {
 		t.Run(tt.name, func(t *testing.T) {
 			vm := tt.vmFn()
-			req := vm.newQueryRequest("foo", time.Now())
+			req, err := vm.newRequestPOST()
+			if err != nil {
+				t.Fatalf("unexpected error: %s", err)
+			}
 			tt.checkFn(t, req)
 		})
 	}

app/vmalert/main_test.go

@@ -87,10 +87,10 @@ groups:
 	)
 
 	f, err := os.CreateTemp("", "")
+	defer os.Remove(f.Name())
 	if err != nil {
 		t.Fatal(err)
 	}
-	defer func() { _ = os.Remove(f.Name()) }()
 	writeToFile(t, f.Name(), rules1)
 
 	*configCheckInterval = 200 * time.Millisecond

app/vmalert/notifier/config_watcher_test.go

@@ -14,6 +14,7 @@ import (
 
 func TestConfigWatcherReload(t *testing.T) {
 	f, err := os.CreateTemp("", "")
+	defer os.Remove(f.Name())
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -36,6 +37,7 @@ static_configs:
 	}
 
 	f2, err := os.CreateTemp("", "")
+	defer os.Remove(f2.Name())
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -63,6 +65,7 @@ func TestConfigWatcherStart(t *testing.T) {
 	defer consulSDServer.Close()
 
 	consulSDFile, err := os.CreateTemp("", "")
+	defer os.Remove(consulSDFile.Name())
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -109,6 +112,7 @@ func TestConfigWatcherReloadConcurrent(t *testing.T) {
 	defer consulSDServer2.Close()
 
 	consulSDFile, err := os.CreateTemp("", "")
+	defer os.Remove(consulSDFile.Name())
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -125,6 +129,7 @@ consul_sd_configs:
 `, consulSDServer1.URL, consulSDServer2.URL))
 
 	staticAndConsulSDFile, err := os.CreateTemp("", "")
+	defer os.Remove(staticAndConsulSDFile.Name())
 	if err != nil {
 		t.Fatal(err)
 	}

app/vmalert/remotewrite/remotewrite.go

@@ -216,9 +216,7 @@ func (c *Client) flush(ctx context.Context, wr *prompbmarshal.WriteRequest) {
 		retryInterval = maxRetryInterval
 	}
 	timeStart := time.Now()
-	defer func() {
-		sendDuration.Add(time.Since(timeStart).Seconds())
-	}()
+	defer sendDuration.Add(time.Since(timeStart).Seconds())
 L:
 	for attempts := 0; ; attempts++ {
 		err := c.send(ctx, b)

app/vmalert/rule_test.go

@@ -79,7 +79,7 @@ func TestRule_state(t *testing.T) {
 // TestRule_stateConcurrent supposed to test concurrent
 // execution of state updates.
 // Should be executed with -race flag
-func TestRule_stateConcurrent(_ *testing.T) {
+func TestRule_stateConcurrent(t *testing.T) {
 	state := newRuleState(20)
 
 	const workers = 50

app/vmalert/utils/err_group_test.go

@@ -41,7 +41,7 @@ func TestErrGroup(t *testing.T) {
 // TestErrGroupConcurrent supposed to test concurrent
 // use of error group.
 // Should be executed with -race flag
-func TestErrGroupConcurrent(_ *testing.T) {
+func TestErrGroupConcurrent(t *testing.T) {
 	eg := new(ErrGroup)
 
 	const writersN = 4

app/vmbackup/main.go

@@ -205,20 +205,7 @@ func hasFilepathPrefix(path, prefix string) bool {
 	if err != nil {
 		return false
 	}
-	if prefixAbs == pathAbs {
-		return true
-	}
-	rel, err := filepath.Rel(prefixAbs, pathAbs)
-	if err != nil {
-		// if paths can't be related - they don't match
-		return false
-	}
-	if i := strings.Index(rel, "."); i == 0 {
-		// if path can be related only with . as first char - they still don't match
-		return false
-	}
-	// if paths are related - it is a match
-	return true
+	return strings.HasPrefix(pathAbs, prefixAbs)
 }
 
 func newOriginFS() (common.OriginFS, error) {

app/vmbackup/main_test.go

@@ -26,9 +26,4 @@ func TestHasFilepathPrefix(t *testing.T) {
 	f("fs://"+pwd+"/foo", pwd+"/foo/bar", false)
 	f("fs://"+pwd+"/foo/bar", pwd+"/foo", true)
 	f("fs://"+pwd+"/foo", pwd+"/bar", false)
-	f("fs:///data1", "/data", false)
-	f("fs:///data", "/data1", false)
-	f("fs:///data", "/data/foo", false)
-	f("fs:///data/foo", "/data", true)
-	f("fs:///data/foo/", "/data/", true)
 }

app/vmctl/README.md

@@ -826,7 +826,7 @@ It is possible split migration process into set of smaller batches based on time
 migrating large volumes of data as this adds indication of progress and ability to restore process from certain point 
 in case of failure.
 
-To use this you need to specify `--vm-native-step-interval` flag. Supported values are: `month`, `week`, `day`, `hour`, `minute`.
+To use this you need to specify `--vm-native-step-interval` flag. Supported values are: `month`, `day`, `hour`, `minute`.
 Note that in order to use this it is required `--vm-native-filter-time-start` to be set to calculate time ranges for 
 export process.
 
@@ -836,7 +836,7 @@ Every range is being processed independently, which means that:
 so it is possible to restart process starting from failed range.
 
 It is recommended using the `month` step when migrating the data over multiple months, 
-since the migration with `week`, `day` and `hour` steps may take longer time to complete because of additional overhead.
+since the migration with `day` and `hour` steps may take longer time to complete because of additional overhead.
 
 Usage example:
 ```console

app/vmctl/flags.go

@@ -361,9 +361,8 @@ var (
 			Usage: "The time filter may contain different timestamp formats. See more details here https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#timestamp-formats",
 		},
 		&cli.StringFlag{
-			Name: vmNativeStepInterval,
-			Usage: fmt.Sprintf("Split export data into chunks. Requires setting --%s. Valid values are '%s','%s','%s','%s','%s'.", vmNativeFilterTimeStart,
-				stepper.StepMonth, stepper.StepWeek, stepper.StepDay, stepper.StepHour, stepper.StepMinute),
+			Name:  vmNativeStepInterval,
+			Usage: fmt.Sprintf("Split export data into chunks. Requires setting --%s. Valid values are '%s','%s','%s','%s'.", vmNativeFilterTimeStart, stepper.StepMonth, stepper.StepDay, stepper.StepHour, stepper.StepMinute),
 			Value: stepper.StepMonth,
 		},
 		&cli.BoolFlag{
@@ -557,8 +556,8 @@ var (
 		},
 		&cli.BoolFlag{
 			Name:  remoteReadDisablePathAppend,
-			Usage: "Whether to disable automatic appending of the /api/v1/read suffix to --remote-read-src-addr",
-			Value: false,
+			Usage: "Whether to disable automatic appending of the path to the remote storage.",
+			Value: true,
 		},
 	}
 )

app/vmctl/opentsdb.go

@@ -170,5 +170,8 @@ func (op *otsdbProcessor) do(s queryObj) error {
 		Timestamps: data.Timestamps,
 		Values:     data.Values,
 	}
-	return op.im.Input(&ts)
+	if err := op.im.Input(&ts); err != nil {
+		return err
+	}
+	return nil
 }

app/vmctl/opentsdb/parser.go

@@ -180,7 +180,7 @@ func modifyData(msg Metric, normalize bool) (Metric, error) {
 	/*
 		replace bad characters in metric name with _ per the data model
 	*/
-	finalMsg.Metric = promrelabel.SanitizeMetricName(name)
+	finalMsg.Metric = promrelabel.SanitizeName(name)
 	// replace bad characters in tag keys with _ per the data model
 	for key, value := range msg.Tags {
 		// if normalization requested, lowercase the key and value
@@ -191,7 +191,7 @@ func modifyData(msg Metric, normalize bool) (Metric, error) {
 		/*
 			replace all explicitly bad characters with _
 		*/
-		key = promrelabel.SanitizeLabelName(key)
+		key = promrelabel.SanitizeName(key)
 		// tags that start with __ are considered custom stats for internal prometheus stuff, we should drop them
 		if !strings.HasPrefix(key, "__") {
 			finalMsg.Tags[key] = value

app/vmctl/stepper/split.go

@@ -8,10 +8,10 @@ import (
 const (
 	// StepMonth represents a one month interval
 	StepMonth string = "month"
-	// StepWeek represents a one week interval
-	StepWeek string = "week"
 	// StepDay represents a one day interval
 	StepDay string = "day"
+	// StepWeek represents a one week interval
+	StepWeek string = "week"
 	// StepHour represents a one hour interval
 	StepHour string = "hour"
 	// StepMinute represents a one minute interval

app/vmctl/vm_native.go

@@ -201,12 +201,7 @@ func (p *vmNativeProcessor) runBackfilling(ctx context.Context, tenantID string,
 		}
 
 		if len(metrics) == 0 {
-			errMsg := "no metrics found"
-			if tenantID != "" {
-				errMsg = fmt.Sprintf("%s for tenant id: %s", errMsg, tenantID)
-			}
-			log.Println(errMsg)
-			return nil
+			return fmt.Errorf("no metrics found")
 		}
 		foundSeriesMsg = fmt.Sprintf("Found %d metrics to import", len(metrics))
 	}

app/vminsert/common/insert_ctx.go

@@ -171,7 +171,7 @@ func (ctx *InsertCtx) dropAggregatedRows(matchIdxs []byte) {
 	src := ctx.mrs
 	if !*streamAggrDropInput {
 		for idx, match := range matchIdxs {
-			if match == 1 {
+			if match != 0 {
 				continue
 			}
 			dst = append(dst, src[idx])

app/vminsert/opentelemetry/request_handler.go

@@ -1,7 +1,6 @@
 package opentelemetry
 
 import (
-	"fmt"
 	"net/http"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/common"
@@ -24,9 +23,6 @@ func InsertHandler(req *http.Request) error {
 		return err
 	}
 	isGzipped := req.Header.Get("Content-Encoding") == "gzip"
-	if req.Header.Get("Content-Type") == "application/json" {
-		return fmt.Errorf("json encoding isn't supported for opentelemetry format. Use protobuf encoding")
-	}
 	return stream.ParseStream(req.Body, isGzipped, func(tss []prompbmarshal.TimeSeries) error {
 		return insertRows(tss, extraLabels)
 	})

app/vminsert/relabel/relabel.go

@@ -134,9 +134,9 @@ func (ctx *Ctx) ApplyRelabeling(labels []prompb.Label) []prompb.Label {
 		for i := range tmpLabels {
 			label := &tmpLabels[i]
 			if label.Name == "__name__" {
-				label.Value = promrelabel.SanitizeMetricName(label.Value)
+				label.Value = promrelabel.SanitizeName(label.Value)
 			} else {
-				label.Name = promrelabel.SanitizeLabelName(label.Name)
+				label.Name = promrelabel.SanitizeName(label.Name)
 			}
 		}
 	}

app/vmselect/graphite/aggr_state.go

@@ -114,7 +114,7 @@ func (as *aggrStateAvgZero) Update(values []float64) {
 	as.seriesTotal++
 }
 
-func (as *aggrStateAvgZero) Finalize(_ float64) []float64 {
+func (as *aggrStateAvgZero) Finalize(xFilesFactor float64) []float64 {
 	sums := as.sums
 	values := make([]float64, as.pointsLen)
 	count := float64(as.seriesTotal)

app/vmselect/graphite/functions_api.go

@@ -6,6 +6,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"time"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputils"
 )
@@ -13,7 +14,7 @@ import (
 // FunctionsHandler implements /functions handler.
 //
 // See https://graphite.readthedocs.io/en/latest/functions.html#function-api
-func FunctionsHandler(w http.ResponseWriter, r *http.Request) error {
+func FunctionsHandler(startTime time.Time, w http.ResponseWriter, r *http.Request) error {
 	grouped := httputils.GetBool(r, "grouped")
 	group := r.FormValue("group")
 	result := make(map[string]interface{})
@@ -39,7 +40,7 @@ func FunctionsHandler(w http.ResponseWriter, r *http.Request) error {
 // FunctionDetailsHandler implements /functions/<func_name> handler.
 //
 // See https://graphite.readthedocs.io/en/latest/functions.html#function-api
-func FunctionDetailsHandler(funcName string, w http.ResponseWriter, r *http.Request) error {
+func FunctionDetailsHandler(startTime time.Time, funcName string, w http.ResponseWriter, r *http.Request) error {
 	result := funcs[funcName]
 	if result == nil {
 		return fmt.Errorf("cannot find function %q", funcName)

app/vmselect/graphite/metrics_api.go

@@ -85,7 +85,7 @@ func MetricsFindHandler(startTime time.Time, w http.ResponseWriter, r *http.Requ
 	if leavesOnly {
 		paths = filterLeaves(paths, delimiter)
 	}
-	paths = deduplicatePaths(paths)
+	paths = deduplicatePaths(paths, delimiter)
 	sortPaths(paths, delimiter)
 	contentType := getContentType(jsonp)
 	w.Header().Set("Content-Type", contentType)
@@ -99,7 +99,7 @@ func MetricsFindHandler(startTime time.Time, w http.ResponseWriter, r *http.Requ
 	return nil
 }
 
-func deduplicatePaths(paths []string) []string {
+func deduplicatePaths(paths []string, delimiter string) []string {
 	if len(paths) == 0 {
 		return nil
 	}

app/vmselect/graphite/transform.go

@@ -189,7 +189,7 @@ func init() {
 	}
 }
 
-func transformTODO(_ *evalConfig, _ *graphiteql.FuncExpr) (nextSeriesFunc, error) {
+func transformTODO(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFunc, error) {
 	return nil, fmt.Errorf("TODO: implement this function")
 }
 
@@ -1062,7 +1062,7 @@ func transformCumulative(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFun
 	if err != nil {
 		return nil, err
 	}
-	return consolidateBy(fe, nextSeries, "sum")
+	return consolidateBy(ec, fe, nextSeries, "sum")
 }
 
 // See https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.consolidateBy
@@ -1079,10 +1079,10 @@ func transformConsolidateBy(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeries
 	if err != nil {
 		return nil, err
 	}
-	return consolidateBy(fe, nextSeries, funcName)
+	return consolidateBy(ec, fe, nextSeries, funcName)
 }
 
-func consolidateBy(expr graphiteql.Expr, nextSeries nextSeriesFunc, funcName string) (nextSeriesFunc, error) {
+func consolidateBy(ec *evalConfig, expr graphiteql.Expr, nextSeries nextSeriesFunc, funcName string) (nextSeriesFunc, error) {
 	consolidateFunc, err := getAggrFunc(funcName)
 	if err != nil {
 		return nil, err
@@ -1843,10 +1843,10 @@ func transformHighest(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFunc,
 	if err != nil {
 		return nil, err
 	}
-	return highestGeneric(fe, nextSeries, n, funcName)
+	return highestGeneric(ec, fe, nextSeries, n, funcName)
 }
 
-func highestGeneric(expr graphiteql.Expr, nextSeries nextSeriesFunc, n float64, funcName string) (nextSeriesFunc, error) {
+func highestGeneric(ec *evalConfig, expr graphiteql.Expr, nextSeries nextSeriesFunc, n float64, funcName string) (nextSeriesFunc, error) {
 	aggrFunc, err := getAggrFunc(funcName)
 	if err != nil {
 		_, _ = drainAllSeries(nextSeries)
@@ -1928,7 +1928,7 @@ func transformHighestAverage(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSerie
 	if err != nil {
 		return nil, err
 	}
-	return highestGeneric(fe, nextSeries, n, "average")
+	return highestGeneric(ec, fe, nextSeries, n, "average")
 }
 
 // See https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.highestCurrent
@@ -1945,7 +1945,7 @@ func transformHighestCurrent(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSerie
 	if err != nil {
 		return nil, err
 	}
-	return highestGeneric(fe, nextSeries, n, "current")
+	return highestGeneric(ec, fe, nextSeries, n, "current")
 }
 
 // See https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.highestMax
@@ -1962,7 +1962,7 @@ func transformHighestMax(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFun
 	if err != nil {
 		return nil, err
 	}
-	return highestGeneric(fe, nextSeries, n, "max")
+	return highestGeneric(ec, fe, nextSeries, n, "max")
 }
 
 // See https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.hitcount
@@ -2379,10 +2379,10 @@ func transformLowest(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFunc, e
 	if err != nil {
 		return nil, err
 	}
-	return lowestGeneric(fe, nextSeries, n, funcName)
+	return lowestGeneric(ec, fe, nextSeries, n, funcName)
 }
 
-func lowestGeneric(expr graphiteql.Expr, nextSeries nextSeriesFunc, n float64, funcName string) (nextSeriesFunc, error) {
+func lowestGeneric(ec *evalConfig, expr graphiteql.Expr, nextSeries nextSeriesFunc, n float64, funcName string) (nextSeriesFunc, error) {
 	aggrFunc, err := getAggrFunc(funcName)
 	if err != nil {
 		_, _ = drainAllSeries(nextSeries)
@@ -2459,7 +2459,7 @@ func transformLowestAverage(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeries
 	if err != nil {
 		return nil, err
 	}
-	return lowestGeneric(fe, nextSeries, n, "average")
+	return lowestGeneric(ec, fe, nextSeries, n, "average")
 }
 
 // See https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.lowestCurrent
@@ -2476,7 +2476,7 @@ func transformLowestCurrent(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeries
 	if err != nil {
 		return nil, err
 	}
-	return lowestGeneric(fe, nextSeries, n, "current")
+	return lowestGeneric(ec, fe, nextSeries, n, "current")
 }
 
 // See https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.maxSeries
@@ -2607,7 +2607,7 @@ func transformMostDeviant(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFu
 	if err != nil {
 		return nil, err
 	}
-	return highestGeneric(fe, nextSeries, n, "stddev")
+	return highestGeneric(ec, fe, nextSeries, n, "stddev")
 }
 
 // See https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.movingAverage
@@ -3862,11 +3862,7 @@ func nextSeriesConcurrentWrapper(nextSeries nextSeriesFunc, f func(s *series) (*
 		}
 		if r.err != nil {
 			// Drain the rest of series before returning the error.
-			for {
-				_, ok := <-resultCh
-				if !ok {
-					break
-				}
+			for range resultCh {
 			}
 			<-errCh
 			return nil, r.err
@@ -4737,7 +4733,7 @@ func transformSortByTotal(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFu
 	if err != nil {
 		return nil, err
 	}
-	return sortByGeneric(fe, nextSeries, "sum", true)
+	return sortByGeneric(ec, fe, nextSeries, "sum", true)
 }
 
 // https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.sortBy
@@ -4758,10 +4754,10 @@ func transformSortBy(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFunc, e
 	if err != nil {
 		return nil, err
 	}
-	return sortByGeneric(fe, nextSeries, funcName, reverse)
+	return sortByGeneric(ec, fe, nextSeries, funcName, reverse)
 }
 
-func sortByGeneric(fe *graphiteql.FuncExpr, nextSeries nextSeriesFunc, funcName string, reverse bool) (nextSeriesFunc, error) {
+func sortByGeneric(ec *evalConfig, fe *graphiteql.FuncExpr, nextSeries nextSeriesFunc, funcName string, reverse bool) (nextSeriesFunc, error) {
 	aggrFunc, err := getAggrFunc(funcName)
 	if err != nil {
 		_, _ = drainAllSeries(nextSeries)
@@ -4872,7 +4868,7 @@ func transformSortByMinima(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesF
 		}
 		return s, nil
 	})
-	return sortByGeneric(fe, f, "min", false)
+	return sortByGeneric(ec, fe, f, "min", false)
 }
 
 // https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.sortByMaxima
@@ -4885,7 +4881,7 @@ func transformSortByMaxima(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesF
 	if err != nil {
 		return nil, err
 	}
-	return sortByGeneric(fe, nextSeries, "max", true)
+	return sortByGeneric(ec, fe, nextSeries, "max", true)
 }
 
 // https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.smartSummarize
@@ -5290,7 +5286,7 @@ func holtWinterConfidenceBands(ec *evalConfig, fe *graphiteql.FuncExpr, args []*
 	f := nextSeriesConcurrentWrapper(nextSeries, func(s *series) (*series, error) {
 		s.consolidate(&ecCopy, step)
 		timeStamps := s.Timestamps[trimWindowPoints:]
-		analysis := holtWintersAnalysis(s, seasonalityMs)
+		analysis := holtWintersAnalysis(&ecCopy, s, seasonalityMs)
 		forecastValues := analysis.predictions.Values[trimWindowPoints:]
 		deviationValues := analysis.deviations.Values[trimWindowPoints:]
 		valuesLen := len(forecastValues)
@@ -5454,7 +5450,7 @@ func transformHoltWintersForecast(ec *evalConfig, fe *graphiteql.FuncExpr) (next
 	trimWindowPoints := ecCopy.pointsLen(step) - ec.pointsLen(step)
 	f := nextSeriesConcurrentWrapper(nextSeries, func(s *series) (*series, error) {
 		s.consolidate(&ecCopy, step)
-		analysis := holtWintersAnalysis(s, seasonalityMs)
+		analysis := holtWintersAnalysis(&ecCopy, s, seasonalityMs)
 		predictions := analysis.predictions
 
 		s.Tags["holtWintersForecast"] = "1"
@@ -5472,7 +5468,7 @@ func transformHoltWintersForecast(ec *evalConfig, fe *graphiteql.FuncExpr) (next
 
 }
 
-func holtWintersAnalysis(s *series, seasonality int64) holtWintersAnalysisResult {
+func holtWintersAnalysis(ec *evalConfig, s *series, seasonality int64) holtWintersAnalysisResult {
 	alpha := 0.1
 	gamma := alpha
 	beta := 0.0035

app/vmselect/main.go

@@ -236,7 +236,7 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 		funcName = strings.TrimPrefix(funcName, "/")
 		if funcName == "" {
 			graphiteFunctionsRequests.Inc()
-			if err := graphite.FunctionsHandler(w, r); err != nil {
+			if err := graphite.FunctionsHandler(startTime, w, r); err != nil {
 				graphiteFunctionsErrors.Inc()
 				httpserver.Errorf(w, r, "%s", err)
 				return true
@@ -244,7 +244,7 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 			return true
 		}
 		graphiteFunctionDetailsRequests.Inc()
-		if err := graphite.FunctionDetailsHandler(funcName, w, r); err != nil {
+		if err := graphite.FunctionDetailsHandler(startTime, funcName, w, r); err != nil {
 			graphiteFunctionDetailsErrors.Inc()
 			httpserver.Errorf(w, r, "%s", err)
 			return true

app/vmselect/prometheus/prometheus.go

@@ -649,7 +649,10 @@ func SeriesHandler(qt *querytracer.Tracer, startTime time.Time, w http.ResponseW
 		qt.Donef("start=%d, end=%d", cp.start, cp.end)
 	}
 	WriteSeriesResponse(bw, metricNames, qt, qtDone)
-	return bw.Flush()
+	if err := bw.Flush(); err != nil {
+		return err
+	}
+	return nil
 }
 
 var seriesDuration = metrics.NewSummary(`vm_request_duration_seconds{path="/api/v1/series"}`)
@@ -691,10 +694,7 @@ func QueryHandler(qt *querytracer.Tracer, startTime time.Time, w http.ResponseWr
 		return err
 	}
 	if childQuery, windowExpr, offsetExpr := promql.IsMetricSelectorWithRollup(query); childQuery != "" {
-		window, err := windowExpr.NonNegativeDuration(step)
-		if err != nil {
-			return fmt.Errorf("cannot parse lookbehind window in square brackets at %s: %w", query, err)
-		}
+		window := windowExpr.Duration(step)
 		offset := offsetExpr.Duration(step)
 		start -= offset
 		end := start
@@ -723,17 +723,11 @@ func QueryHandler(qt *querytracer.Tracer, startTime time.Time, w http.ResponseWr
 		return nil
 	}
 	if childQuery, windowExpr, stepExpr, offsetExpr := promql.IsRollup(query); childQuery != "" {
-		newStep, err := stepExpr.NonNegativeDuration(step)
-		if err != nil {
-			return fmt.Errorf("cannot parse step in square brackets at %s: %w", query, err)
-		}
+		newStep := stepExpr.Duration(step)
 		if newStep > 0 {
 			step = newStep
 		}
-		window, err := windowExpr.NonNegativeDuration(step)
-		if err != nil {
-			return fmt.Errorf("cannot parse lookbehind window in square brackets at %s: %w", query, err)
-		}
+		window := windowExpr.Duration(step)
 		offset := offsetExpr.Duration(step)
 		start -= offset
 		end := start

app/vmselect/promql/active_queries.go

@@ -12,7 +12,7 @@ import (
 // ActiveQueriesHandler returns response to /api/v1/status/active_queries
 //
 // It writes a JSON with active queries to w.
-func ActiveQueriesHandler(w http.ResponseWriter, _ *http.Request) {
+func ActiveQueriesHandler(w http.ResponseWriter, r *http.Request) {
 	aqes := activeQueriesV.GetAll()
 
 	w.Header().Set("Content-Type", "application/json")

app/vmselect/promql/eval.go

@@ -896,17 +896,11 @@ func evalRollupFuncWithSubquery(qt *querytracer.Tracer, ec *EvalConfig, funcName
 	// TODO: determine whether to use rollupResultCacheV here.
 	qt = qt.NewChild("subquery")
 	defer qt.Done()
-	step, err := re.Step.NonNegativeDuration(ec.Step)
-	if err != nil {
-		return nil, fmt.Errorf("cannot parse step in square brackets at %s: %w", expr.AppendString(nil), err)
-	}
+	step := re.Step.Duration(ec.Step)
 	if step == 0 {
 		step = ec.Step
 	}
-	window, err := re.Window.NonNegativeDuration(ec.Step)
-	if err != nil {
-		return nil, fmt.Errorf("cannot parse lookbehind window in square brackets at %s: %w", expr.AppendString(nil), err)
-	}
+	window := re.Window.Duration(ec.Step)
 
 	ecSQ := copyEvalConfig(ec)
 	ecSQ.Start -= window + maxSilenceInterval + step
@@ -1048,10 +1042,7 @@ var (
 func evalRollupFuncWithMetricExpr(qt *querytracer.Tracer, ec *EvalConfig, funcName string, rf rollupFunc,
 	expr metricsql.Expr, me *metricsql.MetricExpr, iafc *incrementalAggrFuncContext, windowExpr *metricsql.DurationExpr) ([]*timeseries, error) {
 	var rollupMemorySize int64
-	window, err := windowExpr.NonNegativeDuration(ec.Step)
-	if err != nil {
-		return nil, fmt.Errorf("cannot parse lookbehind window in square brackets at %s: %w", expr.AppendString(nil), err)
-	}
+	window := windowExpr.Duration(ec.Step)
 	if qt.Enabled() {
 		qt = qt.NewChild("rollup %s(): timeRange=%s, step=%d, window=%d", funcName, ec.timeRangeString(), ec.Step, window)
 		defer func() {

app/vmselect/promql/exec.go

@@ -73,7 +73,7 @@ func Exec(qt *querytracer.Tracer, ec *EvalConfig, q string, isFirstPointOnly boo
 		}
 		qt.Printf("leave only the first point in every series")
 	}
-	maySort := maySortResults(e)
+	maySort := maySortResults(e, rv)
 	result, err := timeseriesToResult(rv, maySort)
 	if err != nil {
 		return nil, err
@@ -95,7 +95,7 @@ func Exec(qt *querytracer.Tracer, ec *EvalConfig, q string, isFirstPointOnly boo
 	return result, nil
 }
 
-func maySortResults(e metricsql.Expr) bool {
+func maySortResults(e metricsql.Expr, tss []*timeseries) bool {
 	switch v := e.(type) {
 	case *metricsql.FuncExpr:
 		switch strings.ToLower(v.Name) {

app/vmselect/promql/rollup.go

@@ -2222,7 +2222,7 @@ func rollupIntegrate(rfa *rollupFuncArg) float64 {
 	return sum
 }
 
-func rollupFake(_ *rollupFuncArg) float64 {
+func rollupFake(rfa *rollupFuncArg) float64 {
 	logger.Panicf("BUG: rollupFake shouldn't be called")
 	return 0
 }

app/vmselect/promql/rollup_test.go

@@ -160,7 +160,7 @@ func TestDerivValues(t *testing.T) {
 	testRowsEqual(t, values, timestamps, valuesExpected, timestamps)
 }
 
-func testRollupFunc(t *testing.T, funcName string, args []interface{}, vExpected float64) {
+func testRollupFunc(t *testing.T, funcName string, args []interface{}, meExpected *metricsql.MetricExpr, vExpected float64) {
 	t.Helper()
 	nrf := getRollupFunc(funcName)
 	if nrf == nil {
@@ -203,7 +203,7 @@ func TestRollupDurationOverTime(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, maxIntervals}
-		testRollupFunc(t, "duration_over_time", args, dExpected)
+		testRollupFunc(t, "duration_over_time", args, &me, dExpected)
 	}
 	f(-123, 0)
 	f(0, 0)
@@ -224,7 +224,7 @@ func TestRollupShareLEOverTime(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, les}
-		testRollupFunc(t, "share_le_over_time", args, vExpected)
+		testRollupFunc(t, "share_le_over_time", args, &me, vExpected)
 	}
 
 	f(-123, 0)
@@ -247,7 +247,7 @@ func TestRollupShareGTOverTime(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, gts}
-		testRollupFunc(t, "share_gt_over_time", args, vExpected)
+		testRollupFunc(t, "share_gt_over_time", args, &me, vExpected)
 	}
 
 	f(-123, 1)
@@ -270,7 +270,7 @@ func TestRollupShareEQOverTime(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, eqs}
-		testRollupFunc(t, "share_eq_over_time", args, vExpected)
+		testRollupFunc(t, "share_eq_over_time", args, &me, vExpected)
 	}
 
 	f(-123, 0)
@@ -289,7 +289,7 @@ func TestRollupCountLEOverTime(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, les}
-		testRollupFunc(t, "count_le_over_time", args, vExpected)
+		testRollupFunc(t, "count_le_over_time", args, &me, vExpected)
 	}
 
 	f(-123, 0)
@@ -312,7 +312,7 @@ func TestRollupCountGTOverTime(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, gts}
-		testRollupFunc(t, "count_gt_over_time", args, vExpected)
+		testRollupFunc(t, "count_gt_over_time", args, &me, vExpected)
 	}
 
 	f(-123, 12)
@@ -335,7 +335,7 @@ func TestRollupCountEQOverTime(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, eqs}
-		testRollupFunc(t, "count_eq_over_time", args, vExpected)
+		testRollupFunc(t, "count_eq_over_time", args, &me, vExpected)
 	}
 
 	f(-123, 0)
@@ -354,7 +354,7 @@ func TestRollupCountNEOverTime(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, nes}
-		testRollupFunc(t, "count_ne_over_time", args, vExpected)
+		testRollupFunc(t, "count_ne_over_time", args, &me, vExpected)
 	}
 
 	f(-123, 12)
@@ -373,7 +373,7 @@ func TestRollupQuantileOverTime(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{phis, &metricsql.RollupExpr{Expr: &me}}
-		testRollupFunc(t, "quantile_over_time", args, vExpected)
+		testRollupFunc(t, "quantile_over_time", args, &me, vExpected)
 	}
 
 	f(-123, math.Inf(-1))
@@ -395,7 +395,7 @@ func TestRollupPredictLinear(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, secs}
-		testRollupFunc(t, "predict_linear", args, vExpected)
+		testRollupFunc(t, "predict_linear", args, &me, vExpected)
 	}
 
 	f(0e-3, 65.07405077267295)
@@ -434,7 +434,7 @@ func TestRollupHoltWinters(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}, sfs, tfs}
-		testRollupFunc(t, "holt_winters", args, vExpected)
+		testRollupFunc(t, "holt_winters", args, &me, vExpected)
 	}
 
 	f(-1, 0.5, nan)
@@ -462,7 +462,7 @@ func TestRollupHoeffdingBoundLower(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{phis, &metricsql.RollupExpr{Expr: &me}}
-		testRollupFunc(t, "hoeffding_bound_lower", args, vExpected)
+		testRollupFunc(t, "hoeffding_bound_lower", args, &me, vExpected)
 	}
 
 	f(0.5, 28.21949401521037)
@@ -483,7 +483,7 @@ func TestRollupHoeffdingBoundUpper(t *testing.T) {
 		}}
 		var me metricsql.MetricExpr
 		args := []interface{}{phis, &metricsql.RollupExpr{Expr: &me}}
-		testRollupFunc(t, "hoeffding_bound_upper", args, vExpected)
+		testRollupFunc(t, "hoeffding_bound_upper", args, &me, vExpected)
 	}
 
 	f(0.5, 65.9471726514563)
@@ -500,7 +500,7 @@ func TestRollupNewRollupFuncSuccess(t *testing.T) {
 		t.Helper()
 		var me metricsql.MetricExpr
 		args := []interface{}{&metricsql.RollupExpr{Expr: &me}}
-		testRollupFunc(t, funcName, args, vExpected)
+		testRollupFunc(t, funcName, args, &me, vExpected)
 	}
 
 	f("default_rollup", 34)

app/vmselect/promql/transform.go

@@ -1090,18 +1090,18 @@ func transformHour(t time.Time) int {
 	return t.Hour()
 }
 
-func runningSum(a, b float64, _ int) float64 {
+func runningSum(a, b float64, idx int) float64 {
 	return a + b
 }
 
-func runningMax(a, b float64, _ int) float64 {
+func runningMax(a, b float64, idx int) float64 {
 	if a > b {
 		return a
 	}
 	return b
 }
 
-func runningMin(a, b float64, _ int) float64 {
+func runningMin(a, b float64, idx int) float64 {
 	if a < b {
 		return a
 	}

app/vmselect/vmui/asset-manifest.json

@@ -1,14 +1,14 @@
 {
   "files": {
-    "main.css": "./static/css/main.643dbb4b.css",
-    "main.js": "./static/js/main.68a897a8.js",
+    "main.css": "./static/css/main.c93e8dee.css",
+    "main.js": "./static/js/main.05892dd1.js",
     "static/js/522.b5ae4365.chunk.js": "./static/js/522.b5ae4365.chunk.js",
     "static/media/Lato-Regular.ttf": "./static/media/Lato-Regular.d714fec1633b69a9c2e9.ttf",
     "static/media/Lato-Bold.ttf": "./static/media/Lato-Bold.32360ba4b57802daa4d6.ttf",
     "index.html": "./index.html"
   },
   "entrypoints": [
-    "static/css/main.643dbb4b.css",
-    "static/js/main.68a897a8.js"
+    "static/css/main.c93e8dee.css",
+    "static/js/main.05892dd1.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,maximum-scale=1,user-scalable=no"/><meta name="theme-color" content="#000000"/><meta name="description" content="UI for VictoriaMetrics"/><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><script src="./dashboards/index.js" type="module"></script><meta name="twitter:card" content="summary_large_image"><meta name="twitter:image" content="./preview.jpg"><meta name="twitter:title" content="UI for VictoriaMetrics"><meta name="twitter:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta name="twitter:site" content="@VictoriaMetrics"><meta property="og:title" content="Metric explorer for VictoriaMetrics"><meta property="og:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta property="og:image" content="./preview.jpg"><meta property="og:type" content="website"><script defer="defer" src="./static/js/main.68a897a8.js"></script><link href="./static/css/main.643dbb4b.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,maximum-scale=1,user-scalable=no"/><meta name="theme-color" content="#000000"/><meta name="description" content="UI for VictoriaMetrics"/><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><script src="./dashboards/index.js" type="module"></script><meta name="twitter:card" content="summary_large_image"><meta name="twitter:image" content="./preview.jpg"><meta name="twitter:title" content="UI for VictoriaMetrics"><meta name="twitter:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta name="twitter:site" content="@VictoriaMetrics"><meta property="og:title" content="Metric explorer for VictoriaMetrics"><meta property="og:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta property="og:image" content="./preview.jpg"><meta property="og:type" content="website"><script defer="defer" src="./static/js/main.05892dd1.js"></script><link href="./static/css/main.c93e8dee.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>

app/vmui/Dockerfile-web

@@ -1,4 +1,4 @@
-FROM golang:1.21.0 as build-web-stage
+FROM golang:1.20.7 as build-web-stage
 COPY build /build
 
 WORKDIR /build

app/vmui/packages/vmui/src/App.tsx

@@ -13,6 +13,7 @@ import ExploreMetrics from "./pages/ExploreMetrics";
 import PreviewIcons from "./components/Main/Icons/PreviewIcons";
 import WithTemplate from "./pages/WithTemplate";
 import Relabel from "./pages/Relabel";
+import ExploreLogs from "./pages/ExploreLogs/ExploreLogs";
 import ActiveQueries from "./pages/ActiveQueries";
 
 const App: FC = () => {
@@ -69,6 +70,10 @@ const App: FC = () => {
                   path={router.icons}
                   element={<PreviewIcons/>}
                 />
+                <Route
+                  path={router.logs}
+                  element={<ExploreLogs/>}
+                />
               </Route>
             </Routes>
           )}

app/vmui/packages/vmui/src/components/Main/DatePicker/DateTimeInput/DateTimeInput.tsx

@@ -36,7 +36,7 @@ const DateTimeInput: FC<DateTimeInputProps> = ({
   const [maskedValue, setMaskedValue] = useState(formatStringDate(value));
   const [focusToTime, setFocusToTime] = useState(false);
   const [awaitChangeForEnter, setAwaitChangeForEnter] = useState(false);
-  const error = dayjs(maskedValue).isValid() ? "" : "Invalid date format";
+  const error = dayjs(maskedValue).isValid() ? "" : "Expected format: YYYY-MM-DD HH:mm:ss";
 
   const handleMaskedChange = (e: ChangeEvent<HTMLInputElement>) => {
     setMaskedValue(e.currentTarget.value);

app/vmui/packages/vmui/src/components/Main/TextField/TextField.tsx

@@ -3,7 +3,6 @@ import classNames from "classnames";
 import { useMemo } from "preact/compat";
 import { useAppState } from "../../../state/common/StateContext";
 import useDeviceDetect from "../../../hooks/useDeviceDetect";
-import TextFieldError from "./TextFieldError";
 import "./style.scss";
 
 interface TextFieldProps {
@@ -133,7 +132,12 @@ const TextField: FC<TextFieldProps> = ({
       )
     }
     {label && <span className="vm-text-field__label">{label}</span>}
-    <TextFieldError error={error}/>
+    <span
+      className="vm-text-field__error"
+      data-show={!!error}
+    >
+      {error}
+    </span>
     {helperText && !error && (
       <span className="vm-text-field__helper-text">
         {helperText}

app/vmui/packages/vmui/src/components/Main/TextField/TextFieldError.tsx

@@ -1,56 +0,0 @@
-import React, { FC, useEffect, useRef, useState } from "react";
-import useEventListener from "../../../hooks/useEventListener";
-import classNames from "classnames";
-import "./style.scss";
-
-interface TextFieldErrorProps {
-  error: string;
-}
-
-const TextFieldError: FC<TextFieldErrorProps> = ({ error }) => {
-  const errorRef = useRef<HTMLSpanElement>(null);
-  const [isErrorTruncated, setIsErrorTruncated] = useState(false);
-  const [showFull, setShowFull] = useState(false);
-
-  const checkIfTextTruncated = () => {
-    const el = errorRef.current;
-    if (el) {
-      const { offsetWidth, scrollWidth, offsetHeight, scrollHeight } = el;
-      // The "+1" is for the scrollbar in Firefox
-      const overflowed = (offsetWidth + 1) < scrollWidth || (offsetHeight + 1) < scrollHeight;
-      setIsErrorTruncated(overflowed);
-    } else {
-      setIsErrorTruncated(false);
-    }
-  };
-
-  const handleClickError = () => {
-    if (!isErrorTruncated) return;
-    setShowFull(true);
-    setIsErrorTruncated(false);
-  };
-
-  useEffect(() => {
-    setShowFull(false);
-    checkIfTextTruncated();
-  }, [errorRef, error]);
-
-  useEventListener("resize", checkIfTextTruncated);
-
-  return (
-    <span
-      className={classNames({
-        "vm-text-field__error": true,
-        "vm-text-field__error_overflowed": isErrorTruncated,
-        "vm-text-field__error_full": showFull,
-      })}
-      data-show={!!error}
-      ref={errorRef}
-      onClick={handleClickError}
-    >
-      {error}
-    </span>
-  );
-};
-
-export default TextFieldError;

app/vmui/packages/vmui/src/components/Main/TextField/style.scss

@@ -40,9 +40,14 @@
     overflow: hidden;
     text-overflow: ellipsis;
     display: -webkit-box;
-    -webkit-line-clamp: 1; /* number of lines to show */
-    line-clamp: 1;
+    -webkit-line-clamp: 2; /* number of lines to show */
+    line-clamp: 2;
     -webkit-box-orient: vertical;
+
+    @media (max-width: 500px) {
+      -webkit-line-clamp: 1; /* number of lines to show */
+      line-clamp: 1;
+    }
   }
 
   &__label {
@@ -51,22 +56,10 @@
   }
 
   &__error {
-    position: relative;
-    top: calc($font-size-small/-2);
-    width: fit-content;
-    overflow-wrap: anywhere;
+    top: calc((100% - ($font-size-small/2)) - 2px);
     color: $color-error;
     pointer-events: auto;
     user-select: text;
-
-    &_full {
-      display: block;
-      overflow: visible;
-    }
-
-    &_overflowed {
-      cursor: pointer;
-    }
   }
 
   &__helper-text {
@@ -124,9 +117,9 @@
     align-items: center;
     justify-content: center;
     max-width: 15px;
-    top: 0;
+    top: auto;
     left: $padding-small;
-    height: 40px;
+    height: 100%;
     position: absolute;
     color: $color-text-secondary;
   }

app/vmui/packages/vmui/src/components/Main/Tooltip/Tooltip.tsx

@@ -41,7 +41,7 @@ const Tooltip: FC<TooltipProps> = ({
     return () => {
       window.removeEventListener("scroll", onScrollWindow);
     };
-  }, [isOpen, title]);
+  }, [isOpen]);
 
   const popperStyle = useMemo(() => {
     // eslint-disable-next-line @typescript-eslint/ban-ts-comment

app/vmui/packages/vmui/src/constants/navigation.ts

@@ -38,6 +38,10 @@ export const defaultNavigation: NavigationItem[] = [
         label: routerOptions[router.activeQueries].title,
         value: router.activeQueries,
       },
+      {
+        label: routerOptions[router.logs].title,
+        value: router.logs,
+      },
     ]
   },
   {

app/vmui/packages/vmui/src/styles/core.scss

@@ -52,7 +52,6 @@ input[type=number]::-webkit-outer-spin-button {
   left: $padding-global;
   bottom: $padding-global;
   z-index: 999;
-  animation: vm-slide-snackbar 150ms cubic-bezier(0.280, 0.840, 0.420, 1.1);
 
   &-content {
     display: grid;
@@ -72,14 +71,15 @@ input[type=number]::-webkit-outer-spin-button {
     bottom: 0;
     left: 0;
     right: 0;
-  }
+    animation: vm-slide-snackbar 150ms cubic-bezier(0.280, 0.840, 0.420, 1.1);
 
-  @keyframes vm-slide-snackbar {
-    0% {
-      transform: translateY(100%);
-    }
-    100% {
-      transform: translateY(0);
+    @keyframes vm-slide-snackbar {
+      0% {
+        transform: translateY(100%);
+      }
+        100% {
+            transform: translateY(0);
+        }
     }
   }
 }

deployment/docker/Makefile

@@ -2,10 +2,14 @@
 
 DOCKER_NAMESPACE ?= victoriametrics
 
-ROOT_IMAGE ?= alpine:3.18.3
-CERTS_IMAGE := alpine:3.18.3
+ROOT_IMAGE ?= alpine:3.18.2
 
-GO_BUILDER_IMAGE := golang:1.21.0-alpine
+# Use alpine:3.17.3 instead of 3.18.2 for CERTS_IMAGE
+# because alpine:3.18.2 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:1.20.7-alpine
 BUILDER_IMAGE := local/builder:2.0.0-$(shell echo $(GO_BUILDER_IMAGE) | tr :/ __)-1
 BASE_IMAGE := local/base:1.1.4-$(shell echo $(ROOT_IMAGE) | tr :/ __)-$(shell echo $(CERTS_IMAGE) | tr :/ __)
 DOCKER_BUILD ?= docker build
@@ -78,8 +82,8 @@ publish-via-docker: \
 		--build-arg root_image=$(ROOT_IMAGE) \
 		--build-arg APP_NAME=$(APP_NAME) \
 		--tag $(DOCKER_NAMESPACE)/$(APP_NAME):$(PKG_TAG)$(RACE) \
+		--tag $(DOCKER_NAMESPACE)/$(APP_NAME):$(LATEST_TAG)$(RACE) \
 		-o type=image \
-		--provenance=false \
 		-f app/$(APP_NAME)/multiarch/Dockerfile \
 		--push \
 		bin

deployment/docker/docker-compose-cluster.yml

@@ -2,7 +2,7 @@ version: '3.5'
 services:
   vmagent:
     container_name: vmagent
-    image: victoriametrics/vmagent:v1.93.0
+    image: victoriametrics/vmagent:v1.92.1
     depends_on:
       - "vminsert"
     ports:
@@ -32,7 +32,7 @@ services:
 
   vmstorage-1:
     container_name: vmstorage-1
-    image: victoriametrics/vmstorage:v1.93.0-cluster
+    image: victoriametrics/vmstorage:v1.92.1-cluster
     ports:
       - 8482
       - 8400
@@ -44,7 +44,7 @@ services:
     restart: always
   vmstorage-2:
     container_name: vmstorage-2
-    image: victoriametrics/vmstorage:v1.93.0-cluster
+    image: victoriametrics/vmstorage:v1.92.1-cluster
     ports:
       - 8482
       - 8400
@@ -56,7 +56,7 @@ services:
     restart: always
   vminsert:
     container_name: vminsert
-    image: victoriametrics/vminsert:v1.93.0-cluster
+    image: victoriametrics/vminsert:v1.92.1-cluster
     depends_on:
       - "vmstorage-1"
       - "vmstorage-2"
@@ -68,7 +68,7 @@ services:
     restart: always
   vmselect:
     container_name: vmselect
-    image: victoriametrics/vmselect:v1.93.0-cluster
+    image: victoriametrics/vmselect:v1.92.1-cluster
     depends_on:
       - "vmstorage-1"
       - "vmstorage-2"
@@ -82,7 +82,7 @@ services:
 
   vmalert:
     container_name: vmalert
-    image: victoriametrics/vmalert:v1.93.0
+    image: victoriametrics/vmalert:v1.92.1
     depends_on:
       - "vmselect"
     ports:

deployment/docker/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.5"
 services:
   vmagent:
     container_name: vmagent
-    image: victoriametrics/vmagent:v1.93.0
+    image: victoriametrics/vmagent:v1.92.1
     depends_on:
       - "victoriametrics"
     ports:
@@ -18,7 +18,7 @@ services:
     restart: always
   victoriametrics:
     container_name: victoriametrics
-    image: victoriametrics/victoria-metrics:v1.93.0
+    image: victoriametrics/victoria-metrics:v1.92.1
     ports:
       - 8428:8428
       - 8089:8089
@@ -56,7 +56,7 @@ services:
     restart: always
   vmalert:
     container_name: vmalert
-    image: victoriametrics/vmalert:v1.93.0
+    image: victoriametrics/vmalert:v1.92.1
     depends_on:
       - "victoriametrics"
       - "alertmanager"

deployment/logs-benchmark/docker-compose.yml

@@ -105,7 +105,7 @@ services:
       - '--config=/config.yml'
 
   vmsingle:
-    image: victoriametrics/victoria-metrics:v1.93.0
+    image: victoriametrics/victoria-metrics:v1.92.1
     ports:
       - '8428:8428'
     command:

deployment/marketplace/digitialocean/one-click-droplet/RELEASE_GUIDE.md

@@ -8,7 +8,7 @@
 4. Set variables `DIGITALOCEAN_API_TOKEN` with `VM_VERSION` for `packer` environment and run make from example below:
 
 ```console
-make release-victoria-metrics-digitalocean-oneclick-droplet DIGITALOCEAN_API_TOKEN="dop_v23_2e46f4759ceeeba0d0248" VM_VERSION="1.93.0"
+make release-victoria-metrics-digitalocean-oneclick-droplet DIGITALOCEAN_API_TOKEN="dop_v23_2e46f4759ceeeba0d0248" VM_VERSION="1.92.1"
 ```
 
 

deployment/marketplace/digitialocean/one-click-droplet/files/etc/update-motd.d/99-one-click

@@ -19,8 +19,8 @@ On the server:
   * VictoriaMetrics is running on ports: 8428, 8089, 4242, 2003 and they are bound to the local interface.
 
 ********************************************************************************
-  # This image includes 1.93.0 version of VictoriaMetrics.
-  # See Release notes https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.93.0
+  # This image includes 1.92.1 version of VictoriaMetrics.
+  # See Release notes https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.92.1
 
   # Welcome to VictoriaMetrics droplet!
 

docs/Articles.md

@@ -73,7 +73,6 @@ See also [case studies](https://docs.victoriametrics.com/CaseStudies.html).
 * [VictoriaMetrics static scraper](https://blog.differentpla.net/blog/2022/10/16/victoria-metrics-static-scraper/)
 * [VictoriaMetrics and Open Cosmos boldly takes edge computing to the edge of space](https://www.iot-now.com/2022/07/19/122423-victoriametrics-and-open-cosmos-boldly-takes-edge-computing-to-the-edge-of-space/)
 * [Evaluating Backend Options For Prometheus Metrics](https://www.techetio.com/2022/08/21/evaluating-backend-options-for-prometheus-metrics/)
-* [Time Series in the Multiverse of Madness (in Korean)](https://www.youtube.com/watch?v=OUyXPgVcdw4), plus [these slides](https://deview.kr/data/deview/session/attach/%5B2B4%5DVictoriaMetrics_%E1%84%89%E1%85%B5%E1%84%80%E1%85%A8%E1%84%8B%E1%85%A7%E1%86%AF_%E1%84%83%E1%85%A6%E1%84%8B%E1%85%B5%E1%84%90%E1%85%A5_%E1%84%83%E1%85%A2%E1%84%92%E1%85%A9%E1%86%AB%E1%84%83%E1%85%A9%E1%86%AB%E1%84%8B%E1%85%B4_%E1%84%86%E1%85%A5%E1%86%AF%E1%84%90%E1%85%B5%E1%84%87%E1%85%A5%E1%84%89%E1%85%B3_Kor+Eng.pdf)
 
 ## Our articles
 

docs/CHANGELOG_2020.md

@@ -1,311 +0,0 @@
-# CHANGELOG for the year 2020
-
-## [v1.51.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.51.0)
-
-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>
-* FEATURE: remove parts with stale data as soon as they go outside the configured `-retentionPeriod`. Previously such parts may remain active for long periods of time. This should help reducing disk usage for `-retentionPeriod` smaller than one month.
-* FEATURE: vmalert: allow setting multiple values for `-notifier.tlsInsecureSkipVerify` command-line flag per each `-notifier.url`.
-
-* BUGFIX: vmalert: properly escape multiline queries when passing them to Grafana. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/890>
-* BUGFIX: vmagent: set missing `__meta_kubernetes_service_*` labels in `kubernetes_sd_config` for `endpoints` and `endpointslices` roles. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/982>
-* BUGFIX: do not adjust `offset` value provided in MetricsQL query. Previously it could be modified in order to improve response cache hit ratio. This is unneeded, since cache hit ratio should remain good because the query time range should be already aligned to multiple of `step` values. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/976>
-
-## [v1.50.2](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.50.2)
-
-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.
-
-* BUGFIX: vmalert: properly populate template variables. This has been broken in v1.50.0. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/974>
-* BUGFIX: properly parse negative combined duration in MetricsQL such as `-1h3m4s`. It must be parsed as `-(1h + 3m + 4s)`. Prevsiously it was parsed as `-1h + 3m + 4s`.
-* BUGFIX: properly parse lines in [Prometheus exposition format](https://github.com/prometheus/docs/blob/master/content/docs/instrumenting/exposition_formats.md) and in [OpenMetrics format](https://github.com/OpenObservability/OpenMetrics/blob/master/specification/OpenMetrics.md) with whitespace after the timestamp. For example, `foo 123 456 ## some comment here`. See <https://github.com/VictoriaMetrics/VictoriaMetrics/pull/970>
-
-## [v1.50.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.50.1)
-
-Released at 2020-12-15
-
-* FEATURE: vmagent: export `vmagent_remotewrite_blocks_sent_total` and `vmagent_remotewrite_blocks_sent_total` metrics for each `-remoteWrite.url`.
-
-* BUGFIX: vmagent: properly delete unregistered scrape targets from `/targets` and `/api/v1/targets` pages. They weren't deleted due to the bug in `v1.50.0`.
-
-## [v1.50.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.50.0)
-
-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>
-* FEATURE: vmagent: return user-friendly HTML page when requesting `/targets` page from web browser. The page is returned in the old plaintext format when requesting via curl or similar tool.
-* FEATURE: allow multiple whitespace chars between measurements, fields and timestamp when parsing InfluxDB line protocol.
-  Though [InfluxDB line protocol](https://docs.influxdata.com/influxdb/v1.8/write_protocols/line_protocol_tutorial/) denies multiple whitespace chars between these entities,
-  some apps improperly put multiple whitespace chars. This workaround allows accepting data from such apps.
-* FEATURE: export `vm_promscrape_active_scrapers{type="<sd_type>"}` metric for tracking the number of active scrapers per each service discovery type.
-* FEATURE: export `vm_promscrape_scrapers_started_total{type="<sd_type>"}` and `vm_promscrape_scrapers_stopped_total{type="<sd_type>"}` metrics for tracking churn rate for scrapers
-  per each service discovery type.
-* FEATURE: vmagent: allow setting per-`-remoteWrite.url` command-line flags for `-remoteWrite.sendTimeout` and `-remoteWrite.tlsInsecureSkipVerify`.
-
-* BUGFIX: properly handle `*` and `[...]` inside curly braces in query passed to Graphite Metrics API. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/952>
-* BUGFIX: vmagent: fix memory leak when big number of targets is discovered via service discovery.
-* BUGFIX: vmagent: properly pass `datacenter` filter to Consul API server. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/574#issuecomment-740454170>
-* BUGFIX: properly handle CPU limits set on the host system or host container. The bugfix may result in lower memory usage on systems with CPU limits. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/946>
-* BUGFIX: prevent from duplicate `name` tag returned from `/tags/autoComplete/tags` handler. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/942>
-* BUGFIX: do not enable strict parsing for `-promscrape.config` if `-promscrape.config.dryRun` comand-line flag is set. Strict parsing can be enabled with `-promscrape.config.strictParse` command-line flag. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/944>
-* BUGFIX: vminsert: properly update `vm_rpc_rerouted_rows_processed_total` metric. Previously it wasn't updated. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/955>
-* BUGFIX: vmagent: properly recover when opening incorrectly stored persistent queue. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/964>
-* BUGFIX: vmagent: properly handle scrape errors when stream parsing is enabled with `-promscrape.streamParse` command-line flag or with `stream_parse: true` per-target config option. Previously such errors weren't reported at `/targets` page. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/967>
-* BUGFIX: assume the previous value is 0 when calculating `increase()` for the first point on the graph if its value doesn't exceed 100 and the delta between two first points equals to 0. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/962>
-
-## [v1.49.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.49.0)
-
-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)
-  for uppercasing and lowercasing values for the given labels. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/936>
-* FEATURE: add `count_eq_over_time(m[d], N)` and `count_ne_over_time(m[d], N)` for counting the number of samples for `m` over `d` that (equal / not equal) to `N`.
-* FEATURE: do not print usage info for all the command-line flags when incorrect command-line flag is passed. Previously it could be hard reading the error message
-  about incorrect command-line flag because of too big usage info for all the flags.
-* FEATURE: upgrade Go builder from v1.15.5 to v1.15.6 . This fixes [issues found in Go since v1.15.5](https://github.com/golang/go/issues?q=milestone%3AGo1.15.6+label%3ACherryPickApproved).
-
-* BUGFIX: properly parse timestamps in OpenMetrics format - they are exposed as floating-point number in seconds instead of integer milliseconds
-  unlike in Prometheus exposition format. See [the docs](https://github.com/OpenObservability/OpenMetrics/blob/master/specification/OpenMetrics.md#timestamps).
-* BUGFIX: return `nan` for `a >bool b` query when `a` equals to `nan` like Prometheus does. Previously `0` was returned in this case. This applies to any comparison operation
-  with `bool` modifier. See [these docs](https://prometheus.io/docs/prometheus/latest/querying/operators/#comparison-binary-operators) for details.
-* BUGFIX: properly parse hex numbers in MetricsQL. Previously hex numbers with non-decimal digits such as `0x3b` couldn't be parsed.
-* BUGFIX: handle `time() cmp_op metric` like Prometheus does - i.e. return `metric` value if `cmp_op` comparison is true. Previously `time()` value was returned.
-* BUGFIX: return `nan` for `minute(m)` query when `m` equals to `nan` like Prometheus does. This applies to all the time-related functions such as `day_of_month`, `day_of_week`,
-  `days_in_month`, `hour`, `month` and `year`.
-
-## [v1.48.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.48.0)
-
-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:
-
-  ```console
-  snap install victoriametrics
-  ```
-
-* FEATURE: vmselect: add `-replicationFactor` command-line flag for reducing query duration when replication is enabled and a part of vmstorage nodes
-  are temporarily slow and/or temporarily unavailable. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/711>
-* FEATURE: vminsert: export `vm_rpc_vmstorage_is_reachable` metric, which can be used for monitoring reachability of vmstorage nodes from vminsert nodes.
-* FEATURE: vmagent: add [Netflix Eureka](https://github.com/Netflix/eureka) service discovery (aka [eureka_sd_config](https://docs.victoriametrics.com/sd_configs.html#eureka_sd_configs)). See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/851>
-* FEATURE: add `filters` option to `dockerswarm_sd_config` like Prometheus did in v2.23.0 - see <https://github.com/prometheus/prometheus/pull/8074>
-* FEATURE: expose `__meta_ec2_ipv6_addresses` label for `ec2_sd_config` like Prometheus will do in the next release.
-* FEATURE: add `-loggerWarnsPerSecondLimit` command-line flag for rate limiting of WARN messages in logs. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/905>
-* FEATURE: apply `loggerErrorsPerSecondLimit` and `-loggerWarnsPerSecondLimit` rate limit per caller. I.e. log messages are suppressed if the same caller logs the same message
-  at the rate exceeding the given limit. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/905#issuecomment-729395855>
-* FEATURE: add remoteAddr to slow query log in order to simplify identifying the client that sends slow queries to VictoriaMetrics.
-  Slow query logging is controlled with `-search.logSlowQueryDuration` command-line flag.
-* FEATURE: add `/tags/delSeries` handler from Graphite Tags API. See <https://docs.victoriametrics.com/#graphite-tags-api-usage>
-* FEATURE: log metric name plus all its labels when the metric timestamp is out of the configured retention. This should simplify detecting the source of metrics with unexpected timestamps.
-* FEATURE: add `-dryRun` command-line flag to single-node VictoriaMetrics in order to check config file pointed by `-promscrape.config`.
-
-* BUGFIX: properly parse Prometheus metrics with [exemplars](https://github.com/OpenObservability/OpenMetrics/blob/master/OpenMetrics.md#exemplars-1) such as `foo 123 ## {bar="baz"} 1`.
-* BUGFIX: properly parse "infinity" values in [OpenMetrics format](https://github.com/OpenObservability/OpenMetrics/blob/master/OpenMetrics.md#abnf).
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/924>
-
-## [v1.47.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.47.0)
-
-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>
-* FEATURE: vmselect: add `"isPartial":{true|false}` field in JSON output for `/api/v1/*` functions
-  from [Prometheus querying API](https://prometheus.io/docs/prometheus/latest/querying/api/). `"isPartial":true` is set if the response contains partial data
-  because of a part of `vmstorage` nodes were unavailable during query processing.
-* FEATURE: improve performance for `/api/v1/series`, `/api/v1/labels` and `/api/v1/label/<labelName>/values` on time ranges exceeding one day.
-* FEATURE: vmagent: reduce memory usage when service discovery detects big number of scrape targets and the set of discovered targets changes over time.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/825>
-* FEATURE: vmagent: add `-promscrape.dropOriginalLabels` command-line option, which can be used for reducing memory usage when scraping big number of targets.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/825#issuecomment-724308361> for details.
-* FEATURE: vmalert: explicitly set extra labels to alert entities. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/870>
-* FEATURE: add `-search.treatDotsAsIsInRegexps` command-line flag, which can be used for automatic escaping of dots in regexp label filters used in queries.
-  For example, if `-search.treatDotsAsIsInRegexps` is set, then the query `foo{bar=~"aaa.bb.cc|dd.eee"}` is automatically converted to `foo{bar=~"aaa\\.bb\\.cc|dd\\.eee"}`.
-  This may be useful for querying Graphite data.
-* FEATURE: consistently return text-based HTTP responses such as `plain/text` and `application/json` with `charset=utf-8`.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/pull/897>
-* FEATURE: update Go builder from v1.15.4 to v1.15.5. This should fix [these issues in Go](https://github.com/golang/go/issues?q=milestone%3AGo1.15.5+label%3ACherryPickApproved).
-* FEATURE: added `/internal/force_flush` http handler for flushing recently ingested data from in-memory buffers to persistent storage.
-  See [troubleshooting docs](https://docs.victoriametrics.com/#troubleshooting) for more details.
-* FEATURE: added [Graphite Tags API](https://graphite.readthedocs.io/en/stable/tags.html) support.
-  See [these docs](https://docs.victoriametrics.com/#graphite-tags-api-usage) for details.
-
-* BUGFIX: do not return data points in the end of the selected time range for time series ending in the middle of the selected time range.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/887> and <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/845>
-* BUGFIX: remove spikes at the end of time series gaps for `increase()` or `delta()` functions. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/894>
-* BUGFIX: vminsert: properly return HTTP 503 status code when all the vmstorage nodes are unavailable. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/896>
-
-## [v1.46.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.46.0)
-
-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.
-* FEATURE: vmagent: reduce memory usage when `kubernetes_sd_config` discovers big number of scrape targets (e.g. hundreds of thousands) and the majority of these targets (99%)
-  are dropped during relabeling. Previously labels for all the dropped targets were displayed at `/api/v1/targets` page. Now only up to `-promscrape.maxDroppedTargets` such
-  targets are displayed. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/878> for details.
-* FEATURE: vmagent: reduce memory usage when scraping big number of targets with big number of temporary labels starting with `__`.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/825>
-* FEATURE: vmagent: add `/ready` HTTP endpoint, which returns 200 OK status code when all the service discovery has been initialized.
-  This may be useful during rolling upgrades. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/875>
-
-* BUGFIX: vmagent: eliminate data race when `-promscrape.streamParse` command-line is set. Previously this mode could result in scraped metrics with garbage labels.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/825#issuecomment-723198247> for details.
-* BUGFIX: properly calculate `topk_*` and `bottomk_*` functions from [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html) for time series with gaps.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/pull/883>
-
-## [v1.45.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.45.0)
-
-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>
-* FEATURE: optimize more cases according to <https://utcc.utoronto.ca/~cks/space/blog/sysadmin/PrometheusLabelNonOptimization> . Now the following cases are optimized too:
-  * `rollup_func(foo{filters}[d]) op bar` -> `rollup_func(foo{filters}[d]) op bar{filters}`
-  * `transform_func(foo{filters}) op bar` -> `transform_func(foo{filters}) op bar{filters}`
-  * `num_or_scalar op foo{filters} op bar` -> `num_or_scalar op foo{filters} op bar{filters}`
-* FEATURE: improve time series search for queries with multiple label filters. I.e. `foo{label1="value", label2=~"regexp"}`.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/781>
-* FEATURE: vmagent: add `stream parse` mode. This mode allows reducing memory usage when individual scrape targets expose tens of millions of metrics.
-  For example, during scraping Prometheus in [federation](https://prometheus.io/docs/prometheus/latest/federation/) mode.
-  See `-promscrape.streamParse` command-line option and `stream_parse: true` config option for `scrape_config` section in `-promscrape.config`.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/825> and [troubleshooting docs for vmagent](https://docs.victoriametrics.com/vmagent.html#troubleshooting).
-* FEATURE: vmalert: add `-dryRun` command-line option for validating the provided config files without the need to start `vmalert` service.
-* FEATURE: accept optional third argument of string type at `topk_*` and `bottomk_*` functions. This is label name for additional time series to return with the sum of time series outside top/bottom K. See [MetricsQL docs](https://docs.victoriametrics.com/MetricsQL.html) for more details.
-* FEATURE: vmagent: expose `/api/v1/targets` page according to [the corresponding Prometheus API](https://prometheus.io/docs/prometheus/latest/querying/api/#targets).
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/643>
-
-* BUGFIX: vmagent: properly handle OpenStack endpoint ending with `v3.0` such as `https://ostack.example.com:5000/v3.0`
-  in the same way as Prometheus does. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/728#issuecomment-709914803>
-* BUGFIX: drop trailing data points for time series with a single raw sample. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748>
-* BUGFIX: do not drop trailing data points for instant queries to `/api/v1/query`. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/845>
-* BUGFIX: vmbackup: fix panic when `-origin` isn't specified. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/856>
-* BUGFIX: vmalert: skip automatically added labels on alerts restore. Label `alertgroup` was introduced in [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/611)
-  and automatically added to generated time series. By mistake, this new label wasn't correctly purged on restore event and affected alert's ID uniqueness.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/870>
-* BUGFIX: vmagent: fix panic at scrape error body formating. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/864>
-* BUGFIX: vmagent: add leading missing slash to metrics path like Prometheus does. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/835>
-* BUGFIX: vmagent: drop packet if remote storage returns 4xx status code. This make the behaviour consistent with Prometheus.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/873>
-* BUGFIX: vmagent: properly handle 301 redirects. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/869>
-
-## [v1.44.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.44.0)
-
-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
-  fetch and discard time series for `node_filesystem_files_free` metric without matching labels for the left side of the expression:
-
-  ```
-     node_filesystem_files{ host="$host", mountpoint="/" } - node_filesystem_files_free
-  ```
-
-* FEATURE: vmagent: add Docker Swarm service discovery (aka [dockerswarm_sd_config](https://docs.victoriametrics.com/sd_configs.html#dockerswarm_sd_configs)).
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/656>
-* FEATURE: add ability to export data in CSV format. See [these docs](https://docs.victoriametrics.com/#how-to-export-csv-data) for details.
-* FEATURE: vmagent: add `-promscrape.suppressDuplicateScrapeTargetErrors` command-line flag for suppressing `duplicate scrape target` errors.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/651> and <https://docs.victoriametrics.com/vmagent.html#troubleshooting> .
-* FEATURE: vmagent: show original labels before relabeling is applied on `duplicate scrape target` errors. This should simplify debugging for incorrect relabeling.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/651>
-* FEATURE: vmagent: `/targets` page now accepts optional `show_original_labels=1` query arg for displaying original labels for each target before relabeling is applied.
-  This should simplify debugging for target relabeling configs. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/651>
-* FEATURE: add `-finalMergeDelay` command-line flag for configuring the delay before final merge for per-month partitions.
-  The final merge is started after no new data is ingested into per-month partition during `-finalMergeDelay`.
-* FEATURE: add `vm_rows_added_to_storage_total` metric, which shows the total number of rows added to storage since app start.
-  The `sum(rate(vm_rows_added_to_storage_total))` can be smaller than `sum(rate(vm_rows_inserted_total))` if certain metrics are dropped
-  due to [relabeling](https://docs.victoriametrics.com/#relabeling). The `sum(rate(vm_rows_added_to_storage_total))` can be bigger
-  than `sum(rate(vm_rows_inserted_total))` if [replication](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#replication-and-data-safety) is enabled.
-* FEATURE: keep metric name after applying [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html) functions, which don't change time series meaning.
-  The list of such functions:
-  * `keep_last_value`
-  * `keep_next_value`
-  * `interpolate`
-  * `running_min`
-  * `running_max`
-  * `running_avg`
-  * `range_min`
-  * `range_max`
-  * `range_avg`
-  * `range_first`
-  * `range_last`
-  * `range_quantile`
-  * `smooth_exponential`
-  * `ceil`
-  * `floor`
-  * `round`
-  * `clamp_min`
-  * `clamp_max`
-  * `max_over_time`
-  * `min_over_time`
-  * `avg_over_time`
-  * `quantile_over_time`
-  * `mode_over_time`
-  * `geomean_over_time`
-  * `holt_winters`
-  * `predict_linear`
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/674>
-
-* BUGFIX: properly handle stale time series after K8S deployment. Previously such time series could be double-counted.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748>
-* BUGFIX: return a single time series at max from `absent()` function like Prometheus does.
-* BUGFIX: vmalert: accept days, weeks and years in `for:` part of config like Prometheus does. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/817>
-* BUGFIX: fix `mode_over_time(m[d])` calculations. Previously the function could return incorrect results.
-
-## [v1.43.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.43.0)
-
-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.
-* FEATURE: vmagent: add OpenStack service discovery aka [openstack_sd_config](https://docs.victoriametrics.com/sd_configs.html#openstack_sd_configs).
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/728> .
-* FEATURE: vmalert: make `-maxIdleConnections` configurable for datasource HTTP client. This option can be used for minimizing connection churn.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/795> .
-* FEATURE: add `-influx.maxLineSize` command-line flag for configuring the maximum size for a single InfluxDB line during parsing.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/807>
-
-* BUGFIX: properly handle `inf` values during [background merge of LSM parts](https://medium.com/@valyala/how-victoriametrics-makes-instant-snapshots-for-multi-terabyte-time-series-data-e1f3fb0e0282).
-  Previously `Inf` values could result in `NaN` values for adjacent samples in time series. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/805> .
-* BUGFIX: fill gaps on graphs for `range_*` and `running_*` functions. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/806> .
-* BUGFIX: make a copy of label with new name during relabeling with `action: labelmap` in the same way as Prometheus does.
-  Previously the original label name has been replaced. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/812> .
-* BUGFIX: support parsing floating-point timestamp like Graphite Carbon does. Such timestmaps are truncated to seconds.
-
-## [v1.42.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.42.0)
-
-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).
-  Previously data ingested via a single TCP connection could use only a single CPU core. This could limit data ingestion performance.
-  The main benefit of this feature is that data can be imported at max speed via a single connection - there is no need to open multiple concurrent
-  connections to VictoriaMetrics or [vmagent](https://docs.victoriametrics.com/vmagent.html) in order to achieve the maximum data ingestion speed.
-* FEATURE: cluster: improve performance for data ingestion path from `vminsert` to `vmstorage` nodes. The maximum data ingestion performance
-  for a single connection between `vminsert` and `vmstorage` node scales with the number of available CPU cores on `vmstorage` side.
-  This should help with <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/791> .
-* FEATURE: add ability to export / import data in native format via `/api/v1/export/native` and `/api/v1/import/native`.
-  This is the most optimized approach for data migration between VictoriaMetrics instances. Both single-node and cluster instances are supported.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/787#issuecomment-700632551> .
-* FEATURE: add `reduce_mem_usage` query option to `/api/v1/export` in order to reduce memory usage during data export / import.
-  See [these docs](https://docs.victoriametrics.com/#how-to-export-data-in-json-line-format) for details.
-* FEATURE: improve performance for `/api/v1/series` handler when it returns big number of time series.
-* FEATURE: add `vm_merge_need_free_disk_space` metric, which can be used for estimating the number of deferred background data merges due to the lack of free disk space.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/686> .
-* FEATURE: add OpenBSD support. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/785> .
-
-* BUGFIX: properly apply `-search.maxStalenessInterval` command-line flag value. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/784> .
-* BUGFIX: fix displaying data in Grafana tables. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/720> .
-* BUGFIX: do not adjust the number of detected CPU cores found at `/sys/devices/system/cpu/online`.
-  The adjustment was increasing the resulting GOMAXPROC by 1, which looked confusing to users.
-  See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/685#issuecomment-698595309> .
-* BUGFIX: vmagent: do not show `-remoteWrite.url` in initial logs if `-remoteWrite.showURL` isn't set. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/773> .
-* BUGFIX: properly handle case when [/metrics/find](https://docs.victoriametrics.com/#graphite-metrics-api-usage) finds both a leaf and a node for the given `query=prefix.*`.
-  In this case only the node must be returned with stripped dot in the end of id as carbonapi does.
-
-## Previous releases
-
-See [releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases).

docs/CHANGELOG_2021.md

@@ -1,590 +0,0 @@
-# CHANGELOG for the year 2021
-
-## [v1.71.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.71.0)
-
-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)
-for already existing data parts for installations with `-dedup.minScrapeInterval` flag value greater than 0. This process is intentionally limited by one CPU core, but still can result
-into increase of CPU usage until merges are finished.
-
-We recommend updating in "off-peak" time when load on the VictoriaMetrics is on its minimum.
-
-* FEATURE: [VictoriaMetrics enterprise](https://docs.victoriametrics.com/enterprise.html): add multi-level downsampling support. See [these docs](https://docs.victoriametrics.com/#downsampling) and [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/36).
-* FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): add ability to analyze the correlation between two queries on a single graph. Just click `+Query` button, enter the second query in the newly appeared input field and press `Ctrl+Enter`. Results for both queries should be displayed simultaneously on the same graph. Every query has its own vertical scale, which is displayed on the left and the right side of the graph. Lines for the second query are dashed. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1916).
-* FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): add ability to override the interval between returned datapoints. By default it is automatically calculated depending on the selected time range and horizontal resolution of the graph. Now it is possible to override it with custom values. This may be useful during data exploration and debugging.
-* FEATURE: accept optional `extra_filters[]=series_selector` query args at Prometheus query APIs additionally to `extra_label` query args. This allows enforcing additional filters for all the Prometheus query APIs by using [vmgateway](https://docs.victoriametrics.com/vmgateway.html) or [vmauth](https://docs.victoriametrics.com/vmauth.html). See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1863).
-* FEATURE: [vmauth](https://docs.victoriametrics.com/vmauth.html): allow specifying `http` and `https` urls in `-auth.config` command-line flag. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1898). Thanks for @TFM93 .
-* FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): allow specifying `http` and `https` urls in the following command-line flags: `-promscrape.config`, `-remoteWrite.relabelConfig` and `-remoteWrite.urlRelabelConfig`.
-* FEATURE: vminsert: allow specifying `http` and `https` urls in `-relabelConfig` command-line flag.
-* FEATURE: vminsert: add `-maxLabelValueLen` command-line flag for the ability to configure the maximum length of label value. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1908).
-* FEATURE: preserve the order of time series passed to [limit_offset](https://docs.victoriametrics.com/MetricsQL.html#limit_offset) function. This allows implementing series paging via `limit_offset(limit, offset, sort_by_label(...))`. See [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1920) and [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/951) issues.
-* FEATURE: automaticall convert `(value1|...|valueN)` into `{value1,...,valueN}` inside `__graphite__` pseudo-label. This allows using [Grafana multi-value template variables](https://grafana.com/docs/grafana/latest/variables/formatting-multi-value-variables/) inside `__graphite__` pseudo-label. For example, `{__graphite__=~"foo.($bar)"}` is expanded to `{__graphite__=~"foo.{x,y}"}` if both `x` and `y` are selected for `$bar` template variable. See [these docs](https://docs.victoriametrics.com/#selecting-graphite-metrics) for details.
-* FEATURE: add [timestamp_with_name](https://docs.victoriametrics.com/MetricsQL.html#timestamp_with_name) function. It works the same as [timestamp](https://docs.victoriametrics.com/MetricsQL.html#timestamp), but leaves the original time series names, so it can be used in queries, which match multiple time series names: `timestamp_with_name({foo="bar"}[1h])`. See [this comment](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/949#issuecomment-995222388) for more context.
-* FEATURE: add [changes_prometheus](https://docs.victoriametrics.com/MetricsQL.html#changes_prometheus), [increase_prometheus](https://docs.victoriametrics.com/MetricsQL.html#increase_prometheus) and [delta_prometheus](https://docs.victoriametrics.com/MetricsQL.html#delta_prometheus) functions, which don't take into account the previous sample before the given lookbehind window specified in square brackets. These functions may be used when the Prometheus behaviour for `changes()`, `increase()` and `delta()` functions is needed to be preserved. VictoriaMetrics uses slightly different behaviour for `changes()`, `increase()` and `delta()` functions by default - see [this article](https://medium.com/@romanhavronenko/victoriametrics-promql-compliance-d4318203f51e) for details. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1962).
-
-* BUGFIX: fix `unaligned 64-bit atomic operation` panic on 32-bit architectures, which has been introduced in v1.70.0. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1944).
-* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): restore the ability to use `$labels.alertname` in labels templating. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1921).
-* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): add missing `query` caption to the input field for the query. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1900).
-* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix navigation over query history with `Ctrl+up/down` and fix zoom relatively to the cursor position. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1936).
-* BUGFIX: deduplicate samples more thoroughly if [deduplication](https://docs.victoriametrics.com/#deduplication) is enabled. Previously some duplicate samples may be left on disk for time series with high churn rate. This may result in bigger storage space requirements.
-* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): follow up to 5 redirects when `follow_redirects: true` is set for a particular scrape config. Previously only a single redirect was performed in this case. It is expected these redirects are performed to the original hostname. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1945).
-* BUGFIX: de-duplicate data exported via [/api/v1/export/csv](https://docs.victoriametrics.com/#how-to-export-csv-data) by default if [deduplication](https://docs.victoriametrics.com/#deduplication) is enabled. The de-duplication can be disabled by passing `reduce_mem_usage=1` query arg to `/api/v1/export/csv`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1837).
-* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): properly store [historical data](https://docs.victoriametrics.com/vmalert.html#rules-backfilling) to old Prometheus versions. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1943).
-
-## [v1.70.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.70.0)
-
-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).
-* FEATURE: vmauth: allow using optional `name` field in configs. This field is then used as `username` label value for `vmauth_user_requests_total` metric. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1805).
-* FEATURE: vmagent: export `vm_persistentqueue_read_duration_seconds_total` and `vm_persistentqueue_write_duration_seconds_total` metrics, which can be used for detecting persistent queue saturation with `rate(vm_persistentqueue_write_duration_seconds_total) > 0.9` alerting rule.
-* FEATURE: export `vm_filestream_read_duration_seconds_total` and `vm_filestream_write_duration_seconds_total` metrics, which can be used for detecting persistent disk saturation with `rate(vm_filestream_read_duration_seconds_total) > 0.9` alerting rule.
-* FEATURE: export `vm_cache_size_max_bytes` metrics, which show capacity for various caches. These metrics can be used for determining caches with reach its capacity with `vm_cache_size_bytes / vm_cache_size_max_bytes > 0.9` query.
-* FEATURE: [vmbackup](https://docs.victoriametrics.com/vmbackup.html), [vmrestore](https://docs.victoriametrics.com/vmrestore.html): add `-s3ForcePathStyle` command-line flag, which can be used for making backups to [Aliyun OSS](https://www.aliyun.com/product/oss). See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1802).
-* FEATURE: [vmctl](https://docs.victoriametrics.com/vmctl.html): improve data migration from OpenTSDB. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1809). Thanks to @johnseekins .
-* FEATURE: suppress `connection reset by peer` errors when remote client resets TCP connection to VictoriaMetrics / vmagent while ingesting the data via InfluxDB line protocol, Graphite protocol or OpenTSDB protocol. This error is expected, so there is no need in logging it.
-* FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): store the display type in URL, so it isn't lost when copy-pasting the URL. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1804).
-* FEATURE: vmalert: make `-notifier.url` command-line flag optional. This flag can be omitted if `vmalert` is used solely for recording rules and doesn't evaluate alerting rules. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1870).
-* FEATURE: [vmbackup](https://docs.victoriametrics.com/vmbackup.html), [vmrestore](https://docs.victoriametrics.com/vmrestore.html): export internal metrics at `http://vmbackup:8420/metrics` and `http://vmrestore:8421/metrics` for better visibility of the backup/restore process.
-* FEATURE: allow trailing whitespace after the timestamp when [parsing Graphite plaintext lines](https://docs.victoriametrics.com/#how-to-send-data-from-graphite-compatible-agents-such-as-statsd). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1865).
-* FEATURE: expose `/-/healthy` and `/-/ready` endpoints as Prometheus does. This is needed for improving integration with third-party solutions, which rely on these endpoints. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1833).
-
-* BUGFIX: vmagent: prevent from scraping duplicate targets if `-promscrape.dropOriginalLabels` command-line flag is set. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1830). Thanks to @guidao for the fix.
-* BUGFIX: vmstorage [enterprise](https://docs.victoriametrics.com/enterprise.html): added missing `vm_tenant_used_tenant_bytes` metric, which shows the approximate per-tenant disk usage. See [these docs](https://docs.victoriametrics.com/PerTenantStatistic.html) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1605).
-* BUGFIX: vmauth: properly take into account the value passed to `-maxIdleConnsPerBackend` command-line flag. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1300).
-* BUGFIX: vmagent: fix [reading data from Kafka](https://docs.victoriametrics.com/vmagent.html#reading-metrics-from-kafka).
-* BUGFIX: vmalert: fix [replay mode](https://docs.victoriametrics.com/vmalert.html#rules-backfilling) in enterprise version.
-* BUGFIX: consistently return zero from [deriv()](https://docs.victoriametrics.com/MetricsQL.html#deriv) function applied to a constant time series. Previously it could return small non-zero values in this case.
-* BUGFIX: [vmrestore](https://docs.victoriametrics.com/vmrestore.html): properly resume downloading for partially downloaded big files. Previously such files were re-downloaded from the beginning after the interrupt. Now only the remaining parts of the file are downloaded. This allows saving network bandwidth. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/487).
-* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): do not store the last query across vmui page reloads. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1694).
-* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix `Cannot read properties of undefined` error at table view. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1797).
-
-## [v1.69.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.69.0)
-
-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).
-* FEATURE: vmagent: add `collapse` and `expand` buttons per each group of targets with the same `job_name` at `http://vmagent:8429/targets` page.
-* FEATURE: automatically detect timestamp precision (ns, us, ms or s) for the data ingested into VictoriaMetrics via [InfluxDB line protocol](https://docs.victoriametrics.com/#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf).
-* FEATURE: vmagent: add ability to protect `/config` page with auth key via `-configAuthKey` command-line flag. This page may contain sensitive config information, so it may be good to restrict access to this page. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1764).
-* FEATURE: vmagent: hide passwords and auth tokens at `/config` page like Prometheus does. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1764).
-* FEATURE: vmagent: add `-promscrape.maxResponseHeadersSize` command-line flag for tuning the maximum HTTP response headers size for Prometheus scrape targets.
-* FEATURE: vmagent: send data to multiple configured remote storage systems in parallel (e.g. when multiple `-remoteWrite.url` flag values are specified). This should improve data ingestion speed.
-* FEATURE: vmagent: add `-remoteWrite.maxRowsPerBlock` command-line flag for tuning the number of samples to send to remote storage per each block. Bigger values may improve data ingestion performance at the cost of higher memory usage.
-* FEATURE: vmagent: distribute Kafka messages among all the partitions when [writing data to Kafka](https://docs.victoriametrics.com/vmagent.html#writing-metrics-to-kafka).
-* FEATURE: add [label_graphite_group](https://docs.victoriametrics.com/MetricsQL.html#label_graphite_group) function for extracting the given groups from Graphite metric names.
-* FEATURE: add [duration_over_time](https://docs.victoriametrics.com/MetricsQL.html#duration_over_time) function for calculating the actual lifetime of the time series with possible gaps. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1780).
-* FEATURE: add [limit_offset](https://docs.victoriametrics.com/MetricsQL.html#limit_offset) function, which can be used for implementing simple paging over big number of time series. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1778).
-
-* BUGFIX: vmagent: reduce the increased memory usage when scraping targets with big number of metrics which periodically change. The memory usage has been increased in v1.68.0 after vmagent started generating staleness markers in [stream parse mode](https://docs.victoriametrics.com/vmagent.html#stream-parsing-mode). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1745).
-* BUGFIX: vmagent: properly display `proxy_url` config option at `http://vmagent:8429/config` page. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1755).
-* BUGFIX: fix tests for Apple M1. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1653).
-
-## [v1.68.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.68.0)
-
-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).
-* FEATURE: vmagent: shard targets among cluster nodes after the relabeling is applied. This should guarantee that targets with the same set of labels go to the same `vmagent` node in the cluster. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1687).
-* FEATURE: vmagent: atomatically switch to [stream parsing mode](https://docs.victoriametrics.com/vmagent.html#stream-parsing-mode) if the response from the given target exceeds the command-line flag value `-promscrape.minResponseSizeForStreamParse`. This should reduce memory usage when `vmagent` scrapes targets with non-uniform response sizes (this is the case in Kubernetes monitoring).
-* FEATURE: vmagent: send Prometheus-like staleness marks in [stream parsing mode](https://docs.victoriametrics.com/vmagent.html#stream-parsing-mode). Previously staleness marks wern't sent in stream parsing mode. See [these docs](https://docs.victoriametrics.com/vmagent.html#prometheus-staleness-markers) for details.
-* FEATURE: vmagent: properly calculate `scrape_series_added` metric for targets in [stream parsing mode](https://docs.victoriametrics.com/vmagent.html#stream-parsing-mode). Previously it was set to 0 in stream parsing mode. See [more details about this metric](https://prometheus.io/docs/concepts/jobs_instances/#automatically-generated-labels-and-time-series).
-* FEATURE: vmagent: expose `promscrape_series_limit_max_series` and `promscrape_series_limit_current_series` metrics at `http://vmagent:8429/metrics` for scrape targets with the [enabled series limiter](https://docs.victoriametrics.com/vmagent.html#cardinality-limiter).
-* FEATURE: vmagent: return error if `sample_limit` or `series_limit` options are set when [stream parsing mode](https://docs.victoriametrics.com/vmagent.html#stream-parsing-mode) is enabled, since these limits cannot be applied in stream parsing mode.
-* FEATURE: vmalert: add `-remoteRead.disablePathAppend` command-line flag, which allows specifying the full `-remoteRead.url`. If `-remoteRead.disablePathAppend` is set, then `vmalert` doesn't add `/api/v1/query` suffix to `-remoteRead.url`.
-* FEATURE: add trigonometric functions, which are going to be added in [Prometheus 2.31](https://github.com/prometheus/prometheus/pull/9239): [acosh](https://docs.victoriametrics.com/MetricsQL.html#acosh), [asinh](https://docs.victoriametrics.com/MetricsQL.html#asinh), [atan](https://docs.victoriametrics.com/MetricsQL.html#atan), [atanh](https://docs.victoriametrics.com/MetricsQL.html#atanh), [cosh](https://docs.victoriametrics.com/MetricsQL.html#cosh), [deg](https://docs.victoriametrics.com/MetricsQL.html#deg), [rad](https://docs.victoriametrics.com/MetricsQL.html#rad), [sinh](https://docs.victoriametrics.com/MetricsQL.html#sinh), [tan](https://docs.victoriametrics.com/MetricsQL.html#tan), [tanh](https://docs.victoriametrics.com/MetricsQL.html#tanh). Also add `atan2` binary operator. See [this pull request](https://github.com/prometheus/prometheus/pull/9248).
-* FEATURE: consistently return the same set of time series from [limitk](https://docs.victoriametrics.com/MetricsQL.html#limitk) function. This improves the usability of periodically refreshed graphs.
-* FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): varios UX improvements. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1711) and [these docs](https://docs.victoriametrics.com/#vmui).
-* FEATURE: [vmauth](https://docs.victoriametrics.com/vmauth.html): add ability to specify HTTP headers, which will be sent in requests to backends. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1736).
-* FEATURE: add `/flags` page to all the VictoriaMetrics components. This page contains command-line flags passed to the component.
-* FEATURE: allow using tab separators additionally to whitespace separators when [ingesting data in Graphite plaintext protocol](https://docs.victoriametrics.com/#how-to-send-data-from-graphite-compatible-agents-such-as-statsd). Such separators are [supported by Carbon-c-relay](https://github.com/grobian/carbon-c-relay/commit/f3ffe6cc2b52b07d14acbda649ad3fd6babdd528).
-
-* BUGFIX: vmstorage: fix `unaligned 64-bit atomic operation` panic on 32-bit architectures (arm and 386). The panic has been introduced in v1.67.0.
-* BUGFIX: vmalert, vmauth: prevent from frequent closing of TCP connections established to backends under high load. This should reduce the number of TCP sockets in `TIME_WAIT` state at `vmalert` and `vmauth` under high load. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1704).
-* BUGFIX: vmalert: correctly calculate alert ID including extra labels. Previously, ID for alert entity was generated without alertname or groupname. This led to collision, when multiple alerting rules within the same group producing same labelsets. E.g. expr: `sum(metric1) by (job) > 0` and expr: `sum(metric2) by (job) > 0` could result into same labelset `job: "job"`. The bugfix adds all extra labels right after receiving response from the datasource. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1734).
-* BUGFIX: vmalert: fix links in [Web UI](https://docs.victoriametrics.com/vmalert.html#web). See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1717).
-* BUGFIX: vmagent: set `honor_timestamps: true` by default in [scrape configs](https://docs.victoriametrics.com/sd_configs.html#scrape_configs) if this options isn't set explicitly. This aligns the behaviour with Prometheus.
-* BUGFIX: vmagent: group scrape targets by the original job names at `http://vmagent:8429/targets` page like Prometheus does. Previously they were grouped by the job name after relabeling, which may result in unexpected empty target groups. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1707).
-* BUGFIX: [vmctl](https://docs.victoriametrics.com/vmctl.html): fix importing boolean fields from InfluxDB line protocol. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1709).
-
-## [v1.67.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.67.0)
-
-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://docs.victoriametrics.com/enterprise.html): 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).
-* FEATURE: vmui: switch to [μPlot](https://github.com/leeoniya/uPlot) and add ability to naturally scroll and zoom graphs. See [these docs](https://docs.victoriametrics.com/#vmui). Thanks to @Loori-R.
-* FEATURE: vmstorage: stop accepting new data if `-storageDataPath` directory contains less than `-storage.minFreeDiskSpaceBytes` of free space. This should prevent from `out of disk space` crashes. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/269).
-* FEATURE: calculate quantiles in the same way as Prometheus does in such functions as [quantile_over_time](https://docs.victoriametrics.com/MetricsQL.html#quantile_over_time) and [quantile](https://docs.victoriametrics.com/MetricsQL.html#quantile). Previously results from VictoriaMetrics could be slightly different than results from Prometheus. See [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1625) and [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1612) issues.
-* FEATURE: add `rollup_scrape_interval(m[d])` function to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html), which returns `min`, `max` and `avg` values for the interval between samples for `m` on the given lookbehind window `d`.
-* FEATURE: add `topk_last(k, q)` and `bottomk_last(k, q)` functions to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html), which return up to `k` time series from `q` with the maximum / minimum last value on the graph.
-
-* BUGFIX: align behavior of the queries `a or on (labels) b`, `a and on (labels) b` and `a unless on (labels) b` where `b` has multiple time series with the given `labels` to Prometheus behavior. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1643).
-* BUGFIX: vmagent: fix `openstack_sd_config` service discovery when both `domain_name` and `project_id` config options are set. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1655).
-* BUGFIX: return proper values (zeroes) from [stddev_over_time](https://docs.victoriametrics.com/MetricsQL.html#stddev_over_time) and [stdvar_over_time](https://docs.victoriametrics.com/MetricsQL.html#stdvar_over_time) functions when the lookbehind window in square brackets contains only a single sample. Previously the sample value was incorrectly returned in this case.
-* BUGFIX: vminsert: fix uneven distribution of time series among storage nodes in [multi-level cluster setup](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#multi-level-cluster-setup). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1672).
-
-## [v1.66.2](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.66.2)
-
-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).
-
-* BUGFIX: vmalert: properly reload rule groups if only the `interval` config option is changed. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1641).
-* BUGFIX: properly handle `{__name__=~"prefix(suffix1|suffix2)",other_label="..."}` queries. They may return unexpected empty responses since v1.66.0. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1644).
-
-## [v1.66.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.66.1)
-
-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).
-
-* BUGFIX: vmselect: fix accessing [Graphite APIs](https://docs.victoriametrics.com/#graphite-api-usage). The access has been broken in v1.66.0, because `/graphite/*` path prefix accidentally clashed with `/graph*` path prefix used for VictoriaMetrics UI (aka `vmui`).
-* BUGFIX: fix parsing `regex: <bool_or_number>` in relabeling rules (for example, `regex: true` or `regex: 123`). The bug has been introduced in v1.66.0.
-
-## [v1.66.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.66.0)
-
-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).
-* FEATURE: vmalert: add support for Bearer token authorization for `-datasource.url`, `-remoteRead.url` and `-remoteWrite.url`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1608).
-* FEATURE: vmagent: send stale markers for disappeared metrics like Prometheus does. Previously stale markers were sent only when the scrape target disappears or when it becomes temporarily unavailable. See [these docs](https://docs.victoriametrics.com/vmagent.html#prometheus-staleness-markers) for details.
-* FEATURE: vmagent: add ability to set `series_limit` option for a particular scrape target via `__series_limit__` label. This allows setting the limit on the number of time series on a per-target basis. See [these docs](https://docs.victoriametrics.com/vmagent.html#cardinality-limiter) for details.
-* FEATURE: vmagent: add ability to set `stream_parse` option for a particular scrape target via `__stream_parse__` label. This allows managing the stream parsing mode on a per-target basis. See [these docs](https://docs.victoriametrics.com/vmagent.html#stream-parsing-mode) for details.
-* FEATURE: vmagent: add ability to set `scrape_interval` and `scrape_timeout` options for a particular target via `__scrape_interval__` and `__scrape_timeout__` labels in the same way as Prometheus 2.30 does. See [this pull request](https://github.com/prometheus/prometheus/pull/8911).
-* FEATURE: vmagent: generate `scrape_timeout_seconds` metric per each scrape target, so the target saturation could be calculated with `scrape_duration_seconds / scrape_timeout_seconds`. See the corresponding [pull request from Prometheus 2.30](https://github.com/prometheus/prometheus/pull/9247).
-* FEATURE: vmagent: reduce CPU usage when calculating the number of newly added series per scrape (this number is sent to remote storage in `scrape_series_added` metric).
-* FEATURE: vmagent: reduce CPU usage when applying `series_limit` to scrape targets with constant set of metrics. See more information about `series_limit` [here](https://docs.victoriametrics.com/vmagent.html#cardinality-limiter).
-* FEATURE: vminsert: disable rerouting by default when a few of `vmstorage` nodes start accepting data at lower speed than the rest of `vmstorage` nodes. This should improve VictoriaMetrics cluster stability during rolling restarts and during spikes in [time series churn rate](https://docs.victoriametrics.com/FAQ.html#what-is-high-churn-rate). The rerouting can be enabled by passing `-disableRerouting=false` command-line flag to `vminsert`.
-* FEATURE: vmauth: do not put invalid auth tokens into log by default due to security reasons. The logging can be returned back by passing `-logInvalidAuthTokens` command-line flag to `vmauth`. Requests with invalid auth tokens are counted at `vmagent_http_request_errors_total{reason="invalid_auth_token"}` metric exposed by `vmauth` at `/metrics` page.
-* FEATURE: add new relabeling actions: `keep_metrics` and `drop_metrics`. This simplifies metrics filtering by metric names. See [these docs](https://docs.victoriametrics.com/vmagent.html#relabeling) for more details.
-* FEATURE: allow splitting long `regex` in relabeling filters into an array of shorter regexps, which can be put into multiple lines for better readability and maintainability. See [these docs](https://docs.victoriametrics.com/vmagent.html#relabeling) for more details.
-* FEATURE: optimize performance for queries with regexp filters on metric name like `{__name__=~"metric1|...|metricN"}`. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1610) from @faceair.
-* FEATURE: vmui: use Prometheus-compatible query args, so `vmui` could be accessed from graph editor in Grafana. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1619). Thanks to @Loori-R.
-* FEATURE: vmselect: automatically add missing port to `-storageNode` hostnames. For example, `-storageNode=vmstorage1,vmstorage2` is automatically translated to `-storageNode=vmstorage1:8401,vmstorage2:8401`. This simplifies [manual setup of VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#cluster-setup).
-* FEATURE: vminsert: automatically add missing port to `-storageNode` hostnames. For example, `-storageNode=vmstorage1,vmstorage2` is automatically translated to `-storageNode=vmstorage1:8400,vmstorage2:8400`. This simplifies [manual setup of VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#cluster-setup).
-* FEATURE: add [mad(q)](https://docs.victoriametrics.com/MetricsQL.html#mad) function to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html). It calculates [Median absolute deviation](https://en.wikipedia.org/wiki/Median_absolute_deviation) for groups of points with identical timestamps across multiple time series.
-* FEATURE: add [outliers_mad(tolerance, q)](https://docs.victoriametrics.com/MetricsQL.html#outliers_mad) function to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html). It returns time series with peaks outside the [Median absolute deviation](https://en.wikipedia.org/wiki/Median_absolute_deviation) multiplied by `tolerance`.
-* FEATURE: add `histogram_quantiles("phiLabel", phi1, ..., phiN, buckets)` function to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html). It calculates the given `phi*`-quantiles over the given `buckets` and returns time series per each quantile with the corresponding `{phiLabel="phi*"}` label.
-* FEATURE: add `quantiles_over_time("phiLabel", phi1, ..., phiN, series_selector[d])` function to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html). It calculates the given `phi*`-quantiles over raw samples selected by `series_selector` on the given lookbehind window `d`. It returns time series per each quantile with the corresponding `{phiLabel="phi*"}` label.
-* FEATURE: [enterprise](https://docs.victoriametrics.com/enterprise.html): do not ask for `-eula` flag if `-version` flag is passed to enteprise app. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1621).
-
-* BUGFIX: properly handle queries with multiple filters matching empty labels such as `metric{label1=~"foo|",label2="bar|"}`. This filter must match the following series: `metric`, `metric{label1="foo"}`, `metric{label2="bar"}` and `metric{label1="foo",label2="bar"}`. Previously it was matching only `metric{label1="foo",label2="bar"}`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1601).
-* BUGFIX: vmselect: reset connection timeouts after each request to `vmstorage`. This should prevent from `cannot read data in 0.000 seconds: unexpected EOF` warning in logs. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1562). Thanks to @mxlxm .
-* BUGFIX: keep metric name for time series returned from [rollup_candlestick](https://docs.victoriametrics.com/MetricsQL.html#rollup_candlestick) function, since the returned series don't change the meaning of the original series. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1600).
-* BUGFIX: use Prometheus-compatible label value formatting for [count_values](https://docs.victoriametrics.com/MetricsQL.html#count_values) function. Previously big values could be improperly formatted, which could break query results, which rely on label value such as `... on(label) count_values("label", ...)`.
-* BUGFIX: vmagent: properly use `https` scheme for wildcard TLS certificates for `role: ingress` targets in Kubernetes service discovery. See [this issue](https://github.com/prometheus/prometheus/issues/8902).
-* BUGFIX: vmagent: support host networking mode for `docker_sd_config`. See [this issue](https://github.com/prometheus/prometheus/issues/9116).
-* BUGFIX: fix non-repeatable results from `quantile_over_time()` function when the number of input samples exceeds 1000. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1612).
-* BUGFIX: vmagent: fix EC2 zone discovery when `filters` are specified in [ec2_sc_config](https://docs.victoriametrics.com/sd_configs.html#ec2_sd_configs). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1626).
-
-## [v1.65.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.65.0)
-
-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.
-* FEATURE: vmagent: add the ability to limit the number of unique time series scraped per each target. This can be done either globally via `-promscrape.seriesLimitPerTarget` command-line option or on per-target basis via `series_limit` option at `scrape_config` section. See [the updated docs on cardinality limiter](https://docs.victoriametrics.com/vmagent.html#cardinality-limiter) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1561).
-* FEATURE: vmagent: discover `role: ingress` and `role: endpointslice` in [kubernetes_sd_config](https://docs.victoriametrics.com/sd_configs.html#kubernetes_sd_configs) via v1 API instead of v1beta1 API if Kubernetes supports it. This fixes service discovery in Kubernetes v1.22 and newer versions. See [these docs](https://kubernetes.io/docs/reference/using-api/deprecation-guide/#ingress-v122).
-* FEATURE: take into account failed queries in `vm_request_duration_seconds` summary at `/metrics`. Previously only successful queries were taken into account. This could result in skewed summary. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1537).
-* FEATURE: vmalert: add an official dashboard for vmalert. See [these docs](https://docs.victoriametrics.com/vmalert.html#monitoring).
-* FEATURE: vmalert: add ability to set additional labels per group via `labels` config section. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1471).
-* FEATURE: vmalert: add `-disableAlertgroupLabel` command-line flag for disabling the label with alert group name. This may be needed for proper deduplication in Alertmanager. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1532).
-* FEATURE: update Go builder from v1.16.7 to v1.17.0. This improves data ingestion and query performance by up to 5% according to benchmarks. See [the release post for Go1.17](https://go.dev/blog/go1.17).
-* FEATURE: vmagent: expose `promscrape_discovery_http_errors_total` metric, which can be used for monitoring the number of failed discovery attempts per each `http_sd` config.
-* FEATURE: do not reset response cache when a sample with old timestamp is ingested into VictoriaMetrics if `-search.disableAutoCacheReset` command-line option is set. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1570).
-* FEATURE: add `quantiles("phiLabel", phi1, ..., phiN, q)` aggregate function to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html), which calculates the given `phi*` quantiles over time series returned by `q`. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1573).
-
-* BUGFIX: rename `sign` function to `sgn` in order to be consistent with PromQL. See [this pull request from Prometheus](https://github.com/prometheus/prometheus/pull/8457).
-* BUGFIX: vmagent: add `role: endpointslice` in [kubernetes_sd_config](https://docs.victoriametrics.com/sd_configs.html#kubernetes_sd_configs) in order to be consistent with Prometheus. Previously this role was supported with incorrect name: `role: endpointslices`. Now both `endpointslice` and `endpointslices` are supported. See [the corresponding code in Prometheus](https://github.com/prometheus/prometheus/blob/2ec6c7dbb82b72834021e01f1773eb90a67a371f/discovery/kubernetes/kubernetes.go#L99).
-* BUGFIX: improve the detection of the needed free space for background merge operation. This should prevent from possible out of disk space crashes during big merges. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1560).
-* BUGFIX: vmauth: remove trailing slash from the full url before requesting it from the backend. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1554).
-* BUGFIX: [vmbackupmanager](https://docs.victoriametrics.com/vmbackupmanager.html): fix timeout error when snapshot takes longer than 10 seconds. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1571).
-* BUGFIX: properly parse OpenTSDB `put` messages with multiple spaces between message elements. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1574). Thanks to @envzhu for the fix.
-
-## [v1.64.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.64.1)
-
-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).
-* FEATURE: vmagent: add `-promscrape.noStaleMarkers` command-line flag for disabling sending Prometheus stale markers for metrics from disappeared scrape targets. This option may be used for reducing memory usage when scraping big number of metrics with big number of labels and when stale markers aren't needed.
-* FEATURE: vmselect: add `-search.noStaleMarkers` command-line flag for disabling stale markers handling in queries. This may save some CPU time when the queried data doesn't contain stale markers.
-
-* BUGFIX: vmagent: stop scrapers for deleted targets before starting scrapers for added targets. This should prevent from possible time series overlap when old targets are substituted by new targets (for example, during new deployment in Kubernetes). The overlap could lead to incorrect query results. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1509).
-* BUGFIX: vmagent: send Prometheus stale markers for the previously scraped metrics on failed scrapes like Prometheus does. See [this article](https://www.robustperception.io/staleness-and-promql).
-* BUGFIX: upgrade base Docker image from Alpine 3.14.0 to Alpine 3.14.1 . This fixes potential security issues - see [Alpine 3.14.1 release notes](https://www.alpinelinux.org/posts/Alpine-3.14.1-released.html).
-* BUGFIX: disable overriding the lookbehind window `[d]` at `last_over_time(m[d])` if `d` is smaller than the interval between samples, since users don't expect implicit overriding of explicitly set `[d]` in `last_over_time(m[d])`.
-
-## [v1.64.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.64.0)
-
-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).
-* FEATURE: add `present_over_time(m[d])` function, which returns 1 if `m` has a least a single sample over the previous duration `d`. This function has been added also to [Prometheus 2.29](https://github.com/prometheus/prometheus/releases/tag/v2.29.0).
-* FEATURE: vmagent: support multitenant writes according to [these docs](https://docs.victoriametrics.com/vmagent.html#multitenancy). This allows using a single `vmagent` instance in front of VictoriaMetrics cluster for all the tenants. Thanks to @omarghader for [the pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1505). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1491).
-* FEATURE: vmagent: add `__meta_ec2_availability_zone_id` label to discovered Amazon EC2 targets. This label is available in Prometheus [starting from v2.29](https://github.com/prometheus/prometheus/releases/tag/v2.29.0).
-* FAETURE: vmagent: add `__meta_gce_interface_ipv4_<name>` labels to discovered GCE targets. These labels are available in Prometheus [starting from v2.29](https://github.com/prometheus/prometheus/releases/tag/v2.29.0).
-* FEATURE: add `-search.maxSamplesPerSeries` command-line flag for limiting the number of raw samples a single query can process per each time series. This option can protect from out of memory errors when a query processes tens of millions of raw samples per series. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1067).
-* FEATURE: add `-search.maxSamplesPerQuery` command-line flag for limiting the number of raw samples a single query can process across all the time series. This option can protect from heavy queries, which select too big number of raw samples. Thanks to @jiangxinlingdu for [the initial pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1478).
-* FEATURE: improve performance for queries that process big number of time series and/or samples on systems with big number of CPU cores.
-* FEATURE: vmalert: expose `vmalert_alerting_rules_last_evaluation_samples` and `vmalert_recording_rules_last_evaluation_samples` metrics. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1494).
-* FEATURE: vminsert: expose `vm_rpc_send_duration_seconds_total` counter, which can be used for determining high saturation of every `vminsert -> vmstorage` link with an alerting query `rate(vm_rpc_send_duration_seconds_total) > 0.9s`. This query triggers when the link is saturated by more than 90%. This usually means that more `vminsert` or `vmstorage` nodes must be added to the cluster in order to increase the total number of `vminsert -> vmstorage` links.
-* FEATURE: vmagent: expose `vmagent_remotewrite_send_duration_seconds_total` counter, which can be used for determining high saturation of every connection to remote storage with an alerting query `rate(vmagent_remotewrite_send_duration_seconds_total) > 0.9s`. This query triggers when a connection is saturated by more than 90%. This usually means that `-remoteWrite.queues` command-line flag must be increased in order to increase the number of connections per each remote storage.
-* FEATURE: vmui: automatically fill Server URL field. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1506).
-
-* BUGFIX: fix corner cases for queries on time ranges exceeding 40 days. Previously some series can be missing in query results. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1486).
-* BUGFIX: vmselect: return dummy response at `/rules` page in the same way as for `/api/v1/rules` page. The `/rules` page is requested by Grafana 8. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1493) for details.
-* BUGFIX: vmbackup: automatically set default `us-east-1` S3 region if it is missing. This should simplify using S3-compatible services such as MinIO for backups. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1449).
-* BUGFIX: vmselect: prevent from possible deadlock when multiple `target` query args are passed to [Graphite Render API](https://docs.victoriametrics.com/#graphite-render-api-usage).
-* BUGFIX: return series with `a op b` labels and `N` values for `(a op b) default N` if `(a op b)` returns series with all NaN values. Previously such series were removed.
-* BUGFIX: vmui: fix layout when the query selects more than 27 time series. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1497).
-* BUGFIX: vmagent: restore highlighting in red for DOWN targets at `/targets` page. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1461).
-
-## [v1.63.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.63.0)
-
-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:
-  * `/vmui/` for a single-node VictoriaMetrics
-  * `/select/<accountID>/vmui/` for `vmselect` at cluster version of VictoriaMetrics
-* FEATURE: support durations anywhere in [MetricsQL queries](https://docs.victoriametrics.com/MetricsQL.html). For example, `sum_over_time(m[1h]) / 1h` is a valid query, which is equivalent to `sum_over_time(m[1h]) / 3600`.
-* FEATURE: support durations without suffixes in [MetricsQL queries](https://docs.victoriametrics.com/MetricsQL.html). For example, `rate(m[3600])` is a valid query, which is equivalent to `rate(m[1h])`.
-* FEATURE: export `vmselect_request_duration_seconds` and `vminsert_request_duration_seconds` [VictoriaMetrics histograms](https://valyala.medium.com/improving-histogram-usability-for-prometheus-and-grafana-bc7e5df0e350) at `/metrics` page. These histograms can be used for determining latency distribution and SLI/SLO for the served requests. For example, the following query would return the percent of queries that took less than 500ms during the last hour: `histogram_share(500ms, sum(rate(vmselect_request_duration_seconds_bucket[1h])) by (vmrange))`.
-* FEATURE: vmagent: dynamically reload client TLS certificates from disk on every [mTLS connection](https://developers.cloudflare.com/cloudflare-one/identity/devices/mutual-tls-authentication). This should allow using `vmagent` with [Istio service mesh](https://istio.io/latest/about/service-mesh/). See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1420).
-* FEATURE: log http request path plus all the query args on errors during request processing. Previously only http request path was logged without query args, so it could be hard debugging such errors.
-* FEATURE: add `is_set` label to `flag` metrics. This allows determining explicitly set command-line flags with the query `flag{is_set="true"}`.
-* FEATURE: add ability to remove caches stored inside `<-storageDataPath>/cache` on startup if `reset_cache_on_startup` file is present there. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1447).
-
-* BUGFIX: vmagent: remove `{ %space %}` typo in `/targets` output. The typo has been introduced in v1.62.0. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1408).
-* BUGFIX: vmagent: fix CSS styles on `/targets` page. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1422).
-* BUGFIX: vmalert: accept Prometheus-like durations in `interval` config option inside `group` section. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1444).
-* BUGFIX: properly update `vm_merge_need_free_disk_space` metric at `/metrics` page when there is no enough free disk space for performing optimal merges. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1373).
-
-## [v1.62.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.62.0)
-
-Released at 2021-06-25
-
-* FEATURE: vmagent: add service discovery for Docker (aka [docker_sd_config](https://docs.victoriametrics.com/sd_configs.html#docker_sd_configs)). See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1402).
-* FEATURE: vmagent: add service discovery for DigitalOcean (aka [digitalocean_sd_config](https://docs.victoriametrics.com/sd_configs.html#digitalocean_sd_configs)). See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1367).
-* FEATURE: vmagent: change the default value for `-remoteWrite.queues` from 4 to `2 * numCPUs`. This should reduce scrape duration for highly loaded vmagent, which scrapes tens of thousands of targets. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1385).
-* FEATURE: vmagent: show the number of samples the target returns during the last scrape on `/targets` and `/api/v1/targets` pages. This should simplify debugging targets, which may return too big or too low number of samples. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1377).
-* FEATURE: vmagent: show jobs with zero discovered targets on `/targets` page. This should help debugging improperly configured scrape configs.
-* FEATURE: vmagent: support for http-based service discovery (aka [http_sd_config](https://docs.victoriametrics.com/sd_configs.html#http_sd_configs)), which has been added since Prometheus 2.28. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1392).
-* FEATURE: vmagent: support namespace in Consul serive discovery in the same way as Prometheus 2.28 does. See [this issue](https://github.com/prometheus/prometheus/issues/8894) for details.
-* FEATURE: vmagent: support generic auth configs in `consul_sd_configs` in the same way as Prometheus 2.28 does. See [this issue](https://github.com/prometheus/prometheus/issues/8924) for details.
-* FEATURE: [vmctl](https://docs.victoriametrics.com/vmctl.html): limit the number of samples per each imported JSON line. This should limit the memory usage at VictoriaMetrics side when importing time series with big number of samples.
-* FEATURE: vmselect: log slow queries across all the `/api/v1/*` handlers (aka [Prometheus query API](https://prometheus.io/docs/prometheus/latest/querying/api)) if their execution duration exceeds `-search.logSlowQueryDuration`. This should simplify debugging slow requests to such handlers as `/api/v1/labels` or `/api/v1/series` additionally to `/api/v1/query` and `/api/v1/query_range`, which were logged in the previous releases.
-* FEATURE: vminsert: sort the `-storageNode` list in order to guarantee the identical `series -> vmstorage` mapping across all the `vminsert` nodes. This should reduce resource usage (RAM, CPU and disk IO) at `vmstorage` nodes if `vmstorage` addresses are passed in random order to `vminsert` nodes.
-* FEATURE: vmstorage: reduce memory usage on a system with many CPU cores under high ingestion rate.
-
-* BUGFIX: prevent from adding new samples to deleted time series after the rotation of the inverted index (the rotation is performed once per `-retentionPeriod`). See [this comment](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1347#issuecomment-861232136) for details.
-* BUGFIX: vmstorage: reduce high disk write IO usage on systems with big number of CPU cores. The issue has been introduced in the release [v1.59.0](#v1590). See [this commit](https://github.com/VictoriaMetrics/VictoriaMetrics/commit/aa9b56a046b6ae8083fa659df35dd5e994bf9115) and [this comment](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1338#issuecomment-863046999) for details.
-* BUGFIX: vmstorage: prevent from incorrect stats collection when multiple concurrent queries execute the same tag filter. This may help reducing CPU usage under certain workloads. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1338).
-* BUGFIX: vmselect: return the last timestamp for the max / min value from `tmax_over_time(m[d])` and `tmin_over_time(m[d])` [MetricsQL functions](https://docs.victoriametrics.com/MetricsQL.html) as most users expect. See also [this issue](https://github.com/prometheus/prometheus/issues/8966).
-* BUGFIX: vmselect: return the expected value for `increase_pure()` [MetricsQL function](https://docs.victoriametrics.com/MetricsQL.html) after a gap in a time series. Previously incorrect too big value could be returned after the gap from `increase_pure()`.
-
-## [v1.61.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.61.1)
-
-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 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).
-* FEATURE: vmagent: respect the `sample_limit` and `-promscrape.maxScrapeSize` values when scraping targets in [stream parsing mode](https://docs.victoriametrics.com/vmagent.html#stream-parsing-mode). See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1331).
-* FEATURE: vmauth: add ability to specify mutliple `url_prefix` entries for balancing the load among multiple `vmselect` and/or `vminsert` nodes in a cluster. See [these docs](https://docs.victoriametrics.com/vmauth.html#load-balancing).
-* FEATURE: vminsert: add `-disableRerouting` command-line flag for forcibly disabling the rerouting. This should help resolving [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/791) and [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1054) issues.
-* FEATURE: vminsert: reduce the probability of global re-routing storm if all the vmstorage nodes cannot keep up with the given ingestion rate for some time. This should improve cluster stability in such cases. See [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/791) and [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1054) issues.
-* FEATURE: allow building VictoriaMetrics components for Solaris / SmartOS. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1322).
-* FEATURE: vmagent: add ability to debug relabeling rules. See [these docs](https://docs.victoriametrics.com/vmagent.html#relabeling) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1343).
-
-* BUGFIX: reduce CPU usage by up to 2x during querying a database with big number of active daily time series. The issue has been introduced in `v1.59.0`.
-* BUGFIX: vmagent: properly apply auth and tls configs in `eureka_sd_configs`. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1350).
-* BUGFIX: vmauth: do not panic on aborted http requests. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1353).
-* BUGFIX: properly generate `target` property for `*Series(foo.*.bar)` responses returned from [Graphite Render API](https://docs.victoriametrics.com/#graphite-render-api-usage). Previously the `target` contained the expanded list of series for `foo.*.bar`, e.g. `sumSeries(foo.a.bar,foo.b.bar,...foo.z.bar)`. Now VictoriaMetrics returns `sumSeries(foo.*.bar)` as a target in the same way as Graphite does.
-
-## [v1.60.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.60.0)
-
-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).
-* FEATURE: vmalert: add ability to run alerting and recording rules for multiple tenants. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/740) and [these docs](https://docs.victoriametrics.com/vmalert.html#multitenancy).
-* FEATURE: vminsert: add support for data ingestion via other `vminsert` nodes. This allows building multi-level data ingestion paths in VictoriaMetrics cluster by writing data from one level of `vminsert` nodes to another level of `vminsert` nodes. See [these docs](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#multi-level-cluster-setup) and [this comment](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/541#issuecomment-835487858) for details.
-* FEATURE: vmagent: reload `bearer_token_file`, `credentials_file` and `password_file` contents every second. This allows dynamically changing the contents of these files during target scraping and service discovery without the need to restart `vmagent`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1297).
-* FEATURE: vmalert: add a flag to control behaviour on startup for state restore errors. Such errors were returned and logged before as well. Now user can specify whether to just log these errors (`-remoteRead.ignoreRestoreErrors=true`) or to stop the process (`-remoteRead.ignoreRestoreErrors=false`). The latter is important when VM isn't ready yet to serve queries from vmalert and it needs to wait. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1252).
-* FEATURE: vmalert: add ability to pass `round_digits` query arg to datasource via `-datasource.roundDigits` command-line flag. This can be used for limiting the number of decimal digits after the point in recording rule results. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/525).
-* FEATURE: return `X-Server-Hostname` header in http responses of all the VictoriaMetrics components. This should simplify tracing the origin server behind a load balancer or behind auth proxy during troubleshooting.
-* FEATURE: vmselect: allow to use 2x more memory for query processing at `vmselect` nodes in [VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html). This should allow processing heavy queries without the need to increase RAM size at `vmselect` nodes.
-* FEATURE: add ability to filter `/api/v1/status/tsdb` output with arbitrary [time series selectors](https://prometheus.io/docs/prometheus/latest/querying/basics/#time-series-selectors) passed via `match[]` query args. See [these docs](https://docs.victoriametrics.com/#tsdb-stats) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1168) for details.
-* FEATURE: automatically detect memory and cpu limits for VictoriaMetrics components running under [cgroup v2](https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html) environments such as [HashiCorp Nomad](https://www.nomadproject.io/). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1269).
-* FEATURE: vmauth: allow `-auth.config` reloading via `/-/reload` http endpoint. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1194).
-* FEATURE: add `timezone_offset(tz)` function. It returns offset in seconds for the given timezone `tz` relative to UTC. This can be useful when combining with datetime-related functions. For example, `day_of_week(time()+timezone_offset("America/Los_Angeles"))` would return weekdays for `America/Los_Angeles` time zone. Special `Local` time zone can be used for returning an offset for the time zone set on the host where VictoriaMetrics runs. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1306) and [MetricsQL docs](https://docs.victoriametrics.com/MetricsQL.html) for more details.
-* FEATURE: vmagent: add support for OAuth2 authorization for scrape targets and service discovery in the same way as Prometheus does. See [these docs](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#oauth2).
-* FEATURE: vmagent: add support for OAuth2 authorization when writing data to `-remoteWrite.url`. See `-remoteWrite.oauth2.*` config params in `/path/to/vmagent -help` output.
-* FEATURE: vmalert: add ability to set `extra_filter_labels` at alerting and recording group configs. See [these docs](https://docs.victoriametrics.com/vmalert.html#groups).
-* FEATURE: vmstorage: reduce memory usage by up to 30% when ingesting big number of active time series.
-
-* BUGFIX: vmagent: do not retry scraping targets, which don't support HTTP. This should reduce CPU load and network usage at `vmagent` and at scrape target. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1289).
-* BUGFIX: vmagent: fix possible race when refreshing `role: endpoints` and `role: endpointslices` scrape targets in `kubernetes_sd_config`. Prevoiusly `pod` objects could be updated after the related `endpoints` object update. This could lead to missing scrape targets. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240).
-* BUGFIX: vmagent: properly spread scrape targets among `vmagent` replicas if `-promscrape.cluster.replicationFactor` exceeds 1. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1292).
-* BUGFIX: vmagent: limit `scrape_timeout` by `scrape_interval`. This guarantees that only a single sample is lost during the configured `scrape_interval` when scrape target responds slowly. See [this comment](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1281#issuecomment-840538907) for details.
-* BUGFIX: properly remove stale parts outside the configured retention if `-retentionPeriod` is smaller than one month. Previously stale parts could remain active for up to a month after they go outside the retention.
-* BUGFIX: stop the process on panic errors, since such errors may leave the process in inconsistent state. Previously panics could be recovered, which could result in unexpected hard-to-debug further behavior of running process.
-* BUGFIX: vminsert, vmagent: make sure data ingestion connections are closed before completing graceful shutdown. Previously the connection may remain open, which could result in trailing samples loss.
-* BUGFIX: vmauth, vmalert: properly re-use HTTP keep-alive connections to backends and datasources. Previously only 2 keep-alive connections per backend could be re-used. Other connections were closed after the first request. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1300) for details.
-* BUGFIX: vmalert: fix false positive error `result contains metrics with the same labelset after applying rule labels`, which could be triggered when recording rules generate unique metrics. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1293).
-* BUGFIX: vmctl: properly import InfluxDB rows if they have a field and a tag with identical names. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1299).
-* BUGFIX: properly reload configs if `SIGHUP` signal arrives during service initialization. Previously such `SIGHUP` signal could be ingonred and configs weren't reloaded.
-* BUGFIX: vmalert: properly import default rules from OpenShift. See [this issue](https://github.com/VictoriaMetrics/operator/issues/243).
-* BUGFIX: reduce the probability of `the removal queue is full` panic when highly loaded VictoriaMetrics stores data on NFS. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1313).
-
-## [v1.59.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.59.0)
-
-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).
-* FEATURE: vmauth: add ability to set madatory query args in `url_prefix`. For example, `url_prefix: http://vm:8428/?extra_label=team=dev` would add `extra_label=team=dev` query arg to all the incoming requests. See [the example](https://docs.victoriametrics.com/vmauth.html#auth-config) for more details.
-* FEATURE: vmctl: add OpenTSDB migration option. See more details [here](https://docs.victoriametrics.com/vmctl#migrating-data-from-opentsdb).
-Thanks to @johnseekins!
-* FEATURE: log metrics with dropped labels if the number of labels in the ingested metric exceeds `-maxLabelsPerTimeseries`. This should simplify debugging for this case.
-* FEATURE: vmagent: list user-visible endpoints at `http://vmagent:8429/`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1251).
-
-* BUGFIX: vmagent: properly update `role: endpoints` and `role: endpointslices` scrape targets if the underlying service objects are updated in `kubernetes_sd_config`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240).
-* BUGFIX: vmagent: apply `scrape_timeout` on receiving the first response byte from `stream_parse: true` scrape targets. Previously it was applied to receiving and *processing* the full response stream. This could result in false timeout errors when scrape target exposes millions of metrics as described [here](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1017#issuecomment-767235047).
-* BUGFIX: vmagent: eliminate possible data race when obtaining value for the metric `vm_persistentqueue_bytes_pending`. The data race could result in incorrect value for this metric.
-* BUGFIX: vmstorage: remove empty directories on startup. Such directories can be left after unclean shutdown on NFS storage. Previously such directories could lead to crashloop until manually removed. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1142).
-
-## [v1.58.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.58.0)
-
-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.
-* FEATURE: do not delete `dst_label` when applying `label_copy(q, "src_label", "dst_label")` and `label_move(q, "src_label", "dst_label")` to series without `src_label` and with non-empty `dst_label`. See more details at [MetricsQL docs](https://docs.victoriametrics.com/MetricsQL.html).
-* FEATURE: update Go builder from `v1.16.2` to `v1.16.3`. This should fix [these issues](https://github.com/golang/go/issues?q=milestone%3AGo1.16.3+label%3ACherryPickApproved).
-* FEATURE: vmagent: add support for `follow_redirects` option to `scrape_configs` section in the same way as [Prometheus 2.26 does](https://github.com/prometheus/prometheus/pull/8546).
-* FEATURE: vmagent: add support for `authorization` section in `-promscrape.config` in the same way as [Prometheus 2.26 does](https://github.com/prometheus/prometheus/pull/8512).
-* FEATURE: vmagent: add support for socks5 proxy in `proxy_url` config option. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1177).
-* FEATURE: vmagent: add support for `socks5 over tls` proxy in `proxy_url` config option. It can be set up with the following config: `proxy_url: "tls+socks5://proxy-addr:port"`.
-* FEATURE: vmagent: reduce memory usage when `-remoteWrite.queues` is set to a big value. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1167).
-* FEATURE: vmagent: add AWS IAM roles for tasks support for EC2 service discovery according to [these docs](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-iam-roles.html).
-* FEATURE: vmagent: add support for `proxy_tls_config`, `proxy_authorization`, `proxy_basic_auth`, `proxy_bearer_token` and `proxy_bearer_token_file` options in `consul_sd_config`, `dockerswarm_sd_config` and `eureka_sd_config` sections.
-* FEATURE: vmagent: pass `X-Prometheus-Scrape-Timeout-Seconds` header to scrape targets as Prometheus does. In this case scrape targets can limit the time needed for performing the scrape. See [this comment](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1179#issuecomment-813118733) for details.
-* FEATURE: vmagent: drop corrupted persistent queue files at `-remoteWrite.tmpDataPath` instead of throwing a fatal error. Corrupted files can appear after unclean shutdown of `vmagent` such as OOM kill or hardware reset. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1030).
-* FEATURE: vmauth: add support for authorization via [bearer token](https://swagger.io/docs/specification/authentication/bearer-authentication/). See [the docs](https://docs.victoriametrics.com/vmauth.html#auth-config) for details.
-* FEATURE: publish `arm64` and `amd64` binaries for cluster version of VictoriaMetrics at [releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases).
-
-* BUGFIX: properly handle `/api/v1/labels` and `/api/v1/label/<label_name>/values` queries on big `start ... end` time range. This should fix big resource usage when VictoriaMetrics is queried with [Promxy](https://github.com/jacksontj/promxy) v0.0.62 or newer versions.
-* BUGFIX: do not break sort order for series returned from `topk*`, `bottomk*` and `outliersk` [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html) functions. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1189).
-* BUGFIX: vmagent: properly work with simple HTTP proxies which don't support `CONNECT` method. For example, [PushProx](https://github.com/prometheus-community/PushProx). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1179).
-* BUGFIX: vmagent: properly discover targets if multiple namespace selectors are put inside `kubernetes_sd_config`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1170).
-* BUGFIX: vmagent: properly discover `role: endpoints` and `role: endpointslices` targets in `kubernetes_sd_config`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1182).
-* BUGFIX: properly generate filename for `*.tar.gz` archive inside `_checksums.txt` file posted at [releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1171).
-
-## [v1.57.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.57.1)
-
-Released at 2021-03-30
-
-* FEATURE: publish vmutils for `GOOS=arm` on [releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases).
-
-* BUGFIX: prevent from possible incomplete query results after timed out query.
-* BUGFIX: vmselect: remove `-search.storageTimeout` command-line flag, since it has the same meaning as `-search.maxQueryDuration`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/711#issuecomment-808884995).
-* BUGFIX: vminsert: return back `type` label to per-tenant metric `vm_tenant_inserted_rows_total`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/932).
-
-## [v1.57.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.57.0)
-
-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:
-  * `process_resident_memory_anon_bytes` - RSS share for memory allocated by the process itself.  This share cannot be freed by the OS, so it must be taken into account by OOM killer.
-  * `process_resident_memory_file_bytes` - RSS share for page cache memory (aka memory-mapped files). This share can be freed by the OS at any time, so it must be ignored by OOM killer.
-  * `process_resident_memory_shared_bytes` - RSS share for memory shared with other processes (aka shared memory). This share can be freed by the OS at any time, so it must be ignored by OOM killer.
-  * `process_resident_memory_peak_bytes` - peak RSS usage for the process.
-  * `process_virtual_memory_peak_bytes` - peak virtual memory usage for the process.
-* FEATURE: accept and enforce `extra_label=<label_name>=<label_value>` query arg at [Graphite APIs](https://docs.victoriametrics.com/#graphite-api-usage).
-* FEATURE: use InfluxDB field as metric name if measurement is empty and `-influxSkipSingleField` command-line is set. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1139).
-* FEATURE: vmagent: add `-promscrape.consul.waitTime` command-line flag for tuning the maximum wait time for Consul service discovery. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1144).
-* FEATURE: vmagent: add `vm_promscrape_discovery_kubernetes_stale_resource_versions_total` metric for monitoring the frequency of `too old resource version` errors during Kubernetes service discovery.
-* FEATURE: single-node VictoriaMetrics: log metrics with timestamps older than `-search.cacheTimestampOffset` compared to the current time. See [these docs](https://docs.victoriametrics.com/#backfilling) for details.
-
-* BUGFIX: prevent from infinite loop on `{__graphite__="..."}` filters when a metric name contains `*`, `{` or `[` chars.
-* BUGFIX: prevent from infinite loop in `/metrics/find` and `/metrics/expand` [Graphite Metrics API handlers](https://docs.victoriametrics.com/#graphite-metrics-api-usage) when they match metric names or labels with `*`, `{` or `[` chars.
-* BUGFIX: do not merge duplicate time series during requests to `/api/v1/query`. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1141>
-* BUGFIX: vmagent: properly handle `too old resource version` error messages from Kubernetes watch API. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1150>
-* BUGFIX: vmagent: do not retry sending data blocks if remote storage returns `400 Bad Request` error. The number of dropped blocks due to such errors can be monitored with `vmagent_remotewrite_packets_dropped_total` metrics. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1149>
-* BUGFIX: properly calculate `summarize` and `*Series` functions in [Graphite Render API](https://docs.victoriametrics.com/#graphite-render-api-usage).
-
-## [v1.56.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.56.0)
-
-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.
-  * `histogram_stdvar(buckets)` - returns standard variance for the given buckets.
-  * `histogram_stddev(buckets)` - returns standard deviation for the given buckets.
-* FEATURE: export `vm_available_memory_bytes` and `vm_available_cpu_cores` metrics, which show the number of available RAM and available CPU cores for VictoriaMetrics apps.
-* FEATURE: export `vm_index_search_duration_seconds` histogram, which can be used for troubleshooting time series search performance.
-* FEATURE: vmagent: add ability to replicate scrape targets among `vmagent` instances in the cluster with `-promscrape.cluster.replicationFactor` command-line flag. See [these docs](https://docs.victoriametrics.com/vmagent.html#scraping-big-number-of-targets).
-* FEATURE: vmagent: accept `scrape_offset` option at `scrape_config`. This option may be useful when scrapes must start at the specified offset of every scrape interval. See [these docs](https://docs.victoriametrics.com/vmagent.html#troubleshooting) for details.
-* FEATURE: vmagent: support `proxy_tls_config`, `proxy_basic_auth`, `proxy_bearer_token` and `proxy_bearer_token_file` options at `scrape_config` section for configuring proxies specified via `proxy_url`. See [these docs](https://docs.victoriametrics.com/vmagent.html#scraping-targets-via-a-proxy).
-* FEATURE: vmauth: allow using regexp paths in `url_map`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1112) for details.
-* FEATURE: accept `round_digits` query arg at `/api/v1/query` and `/api/v1/query_range` handlers. This option can be set at Prometheus datasource in Grafana for limiting the number of digits after the decimal point in response values.
-* FEATURE: add `-influx.databaseNames` command-line flag, which can be used for accepting data from some Telegraf plugins such as [fluentd plugin](https://github.com/fangli/fluent-plugin-influxdb). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1124).
-* FEATURE: add `-logNewSeries` command-line flag, which can be used for debugging the source of time series churn rate.
-* FEATURE: publish Windows builds for [vmagent](https://docs.victoriametrics.com/vmagent.html), [vmalert](https://docs.victoriametrics.com/vmalert.html), [vmauth](https://docs.victoriametrics.com/vmauth.html) and [vmctl](https://docs.victoriametrics.com/vmctl.html) at `vmutils-windows-*.zip` archives at [releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases).
-* FEATURE: listen for IPv6 UDP if `-enableTCP6` command-line flag is passed to VictoriaMetrics. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1131).
-
-* BUGFIX: vmagent: prevent from high CPU usage bug during failing scrapes with small `scrape_timeout` (less than a few seconds).
-* BUGFIX: vmagent: reduce memory usage when Kubernetes service discovery is used in big number of distinct scrape config jobs by sharing Kubernetes object cache. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1113>
-* BUGFIX: vmagent: apply `sample_limit` only after `metric_relabel_configs` are applied as Prometheus does. Previously the `sample_limit` was applied before metrics relabeling.
-* BUGFIX: vmagent: properly apply `tls_config`, `basic_auth` and `bearer_token` to proxy connections if `proxy_url` option is set. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1116>
-* BUGFIX: vmagent: properly scrape targets via https proxy specified in `proxy_url` if `insecure_skip_verify` flag isn't set in `tls_config` section. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1116>
-* BUGFUX: avoid `duplicate time series` error if `prometheus_buckets()` covers a time range with distinct set of buckets.
-* BUGFIX: prevent exponent overflow when processing extremely small values close to zero such as `2.964393875E-314`. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1114>
-* BUGFIX: do not include datapoints with a timestamp `t-d` when returning results from `/api/v1/query?query=m[d]&time=t` as Prometheus does.
-* BUGFIX: do not crash if a query contains `histogram_over_time()` function name with uppercase chars. For example, `Histogram_Over_Time(m[5m])`.
-
-## [v1.55.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.55.1)
-
-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 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.
-* FEATURE: expose io-related metrics at `/metrics` page for every VictoriaMetrics component:
-  * `process_io_read_bytes_total` - the number of bytes read via io syscalls such as read and pread
-  * `process_io_written_bytes_total` - the number of bytes written via io syscalls such as write and pwrite
-  * `process_io_read_syscalls_total` - the number of read syscalls such as read and pread
-  * `process_io_write_syscalls_total` - the number of write syscalls such as write and pwrite
-  * `process_io_storage_read_bytes_total` - the number of bytes read from storage layer
-  * `process_io_storage_written_bytes_total` - the number of bytes written to storage layer
-* FEATURE: vmagent: add ability to spread scrape targets among multiple `vmagent` instances. See [these docs](https://docs.victoriametrics.com/vmagent.html#scraping-big-number-of-targets) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1084) for details.
-* FEATURE: vmagent: use watch API for Kubernetes service discovery. This should reduce load on Kubernetes API server when it tracks big number of objects (for example, 10K pods). This should also reduce the time needed for k8s targets discovery. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1057) for details.
-* FEATURE: vmagent: export `vm_promscrape_target_relabel_duration_seconds` metric, which can be used for monitoring the time spend on relabeling for discovered targets.
-* FEATURE: vmagent: optimize [relabeling](https://docs.victoriametrics.com/vmagent.html#relabeling) performance for common cases.
-* FEATURE: add `increase_pure(m[d])` function to MetricsQL. It works the same as `increase(m[d])` except of various edge cases. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/962) for details.
-* FEATURE: increase accuracy for `buckets_limit(limit, buckets)` results for small `limit` values. See [MetricsQL docs](https://docs.victoriametrics.com/MetricsQL.html) for details.
-* FEATURE: vmagent: initial support for Windows build with `CGO_ENABLED=0 GOOS=windows go build ./app/vmagent`. See [this](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/70) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1036).
-* FEATURE: vmagent: support WebIdentityToken auth in EC2 service discovery. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1080) for details.
-* FEATURE: vmalert: properly process query params in `-datasource.url` and `-remoteRead.url` command-line flags. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1087) for details.
-
-* BUGFIX: vmagent: properly apply `-remoteWrite.rateLimit` when `-remoteWrite.queues` is greater than 1. Previously there was a data race, which could prevent from proper rate limiting.
-* BUGFIX: vmagent: properly perform graceful shutdown on `SIGINT` and `SIGTERM` signals. The graceful shutdown has been broken in `v1.54.0`. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1065>
-* BUGFIX: reduce the probability of `duplicate time series` errors when querying Kubernetes metrics.
-* BUGFIX: properly calculate `histogram_quantile()` over time series with only a single non-zero bucket with `{le="+Inf"}`. Previously `NaN` was returned, now the value for the last bucket before `{le="+Inf"}` is returned like Prometheus does.
-* BUGFIX: vmselect: do not cache partial query results on timeout when receiving data from `vmstorage` nodes. See <https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1085>
-* BUGFIX: properly handle `stale NFS file handle` error.
-* BUGFIX: properly cache query results when `extra_label` query arg is used. Previously the cached results could clash for different `extra_label` values. See <https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1095>
-* BUGFIX: fix `http: superfluous response.WriteHeader call` issue. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1078>
-* BUGFIX: fix arm64 builds due to the issue in `github.com/golang/snappy`. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1074>
-* BUGFIX: fix `index out of range [1024819115206086200] with length 27` panic, which could occur when `1e-9` value is passed to VictoriaMetrics histogram. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1096>
-* BUGFIX: fix parsing for Graphite line with empty tags such as `foo; 123 456`. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1100>
-* BUGFIX: unescape only `\\`, `\n` and `\"` in label names when parsing Prometheus text exposition format as Prometheus does. Previously other escape sequences could be improperly unescaped.
-
-## [v1.54.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.54.1)
-
-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 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.
-* FEATURE: switch from Go1.15 to [Go1.16](https://golang.org/doc/go1.16) for building prod binaries.
-* FEATURE: single-node VictoriaMetrics now accepts requests to handlers with `/prometheus` and `/graphite` prefixes such as `/prometheus/api/v1/query`. This improves compatibility with [handlers from VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#url-format).
-* FEATURE: expose `process_open_fds` and `process_max_fds` metrics. These metrics can be used for alerting when `process_open_fds` reaches `process_max_fds`. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/402> and <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1037>
-* FEATURE: vmalert: add `-datasource.appendTypePrefix` command-line option for querying both Prometheus and Graphite datasource in cluster version of VictoriaMetrics. See [these docs](https://docs.victoriametrics.com/vmalert.html#graphite) for details.
-* FEATURE: vmauth: add ability to route requests from a single user to multiple destinations depending on the requested paths. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1064>
-* FEATURE: remove dependency on external programs such as `cat`, `grep` and `cut` when detecting cpu and memory limits inside Docker or LXC container.
-* FEATURE: vmagent: add `__meta_kubernetes_endpoints_label_*`, `__meta_kubernetes_endpoints_labelpresent_*`, `__meta_kubernetes_endpoints_annotation_*` and `__meta_kubernetes_endpoints_annotationpresent_*` labels for `role: endpoints` in Kubernetes service discovery. These labels where added in Prometheus 2.25.
-* FEATURE: reduce the minimum supported retention period for inverted index (aka `indexdb`) from one month to one day. This should reduce disk space usage for `<-storageDataPath>/indexdb` folder if `-retentionPeriod` is set to values smaller than one month.
-* FEATURE: vmselect: export per-tenant metrics `vm_vmselect_http_requests_total` and `vm_vmselect_http_requests_duration_ms_total` . Other per-tenant metrics are available as a part of [enterprise package](https://docs.victoriametrics.com/enterprise.html). See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/932> for details.
-
-* BUGFIX: properly convert regexp tag filters containing escaped dots to non-regexp tag filters. For example, `{foo=~"bar\.baz"}` should be converted to `{foo="bar.baz"}`. Previously it was incorrectly converted to `{foo="bar\.baz"}`, which could result in missing time series for this tag filter.
-* BUGFIX: do not spam error logs when discovering Docker Swarm targets without dedicated IP. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1028> .
-* BUGFIX: properly embed timezone data into VictoriaMetrics apps. This should fix `-loggerTimezone` usage inside Docker containers.
-* BUGFIX: properly build Docker images for non-amd64 architectures (arm, arm64, ppc64le, 386) on [Docker hub](https://hub.docker.com/u/victoriametrics/). Previously these images were incorrectly based on amd64 base image, so they didn't work.
-* BUGFIX: vmagent: return back unsent block to the queue during graceful shutdown. Previously this block could be dropped if remote storage is unavailable during vmagent shutdown. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1065> .
-
-## [v1.53.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.53.1)
-
-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 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.
-* FEATURE: added `-search.maxStepForPointsAdjustment` command-line flag, which can be used for disabling adjustment for points returned by `/api/v1/query_range` handler if such points have timestamps closer than `-search.latencyOffset` to the current time. Such points may contain incomplete data, so they are substituted by the previous values for `step` query args smaller than one minute by default.
-* FEATURE: vmselect: added ability to use Graphite-compatible filters in MetricsQL via `{__graphite__="foo.*.bar"}` syntax. This expression is equivalent to `{__name__=~"foo[.][^.]*[.]bar"}`, but it works faster and it is easier to use when migrating from Graphite to VictoriaMetrics. This feature deprecates the usage of `-search.treatDotsAsIsInRegexps` command-line flag.
-* FEATURE: vmselect: added ability to set additional label filters, which must be applied during queries. Such label filters can be set via optional `extra_label` query arg, which is accepted by [querying API](https://docs.victoriametrics.com/#prometheus-querying-api-usage) handlers. For example, the request to `/api/v1/query_range?extra_label=tenant_id=123&query=<query>` adds `{tenant_id="123"}` label filter to the given `<query>`. It is expected that the `extra_label` query arg is automatically set by auth proxy sitting
-in front of VictoriaMetrics. [Contact us](mailto:sales@victoriametrics.com) if you need assistance with such a proxy. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1021> .
-* FEATURE: vmalert: added `-datasource.queryStep` command-line flag for passing optional `step` query arg to `/api/v1/query` endpoint. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1025>
-* FEATURE: vmalert: added ability to query Graphite datasource when evaluating alerting and recording rules. See [these docs](https://docs.victoriametrics.com/vmalert.html#graphite) for details.
-* FEATURE: vmagent: added `-remoteWrite.roundDigits` command-line option for rounding metric values to the given number of decimal digits after the point before sending the metric to the corresponding `-remoteWrite.url`. This option can be used for improving data compression on the remote storage, because values with lower number of decimal digits can be compressed better than values with bigger number of decimal digits.
-* FEATURE: vmagent: added `-remoteWrite.rateLimit` command-line flag for limiting data transfer rate to `-remoteWrite.url`. This may be useful when big amounts of buffered data is sent after temporarily unavailability of the remote storage. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1035>
-* FEATURE: vmagent: export the following additional metrics, which may be useful during troubleshooting:
-  * `vm_promscrape_scrapes_failed_per_url_total`
-  * `vm_promscrape_scrapes_skipped_by_sample_limit_per_url_total`
-  * `vm_promscrape_discovery_requests_total`
-  * `vm_promscrape_discovery_retries_total`
-  * `vm_promscrape_scrape_retries_total`
-  * `vm_promscrape_service_discovery_duration_seconds`
-* FEATURE: vmselect: initial implementation for [Graphite Render API](https://docs.victoriametrics.com/#graphite-render-api-usage).
-
-* BUGFIX: vmagent: reduce HTTP reconnection rate for scrape targets. Previously vmagent could errorneusly close HTTP keep-alive connections more frequently than needed.
-* BUGFIX: vmagent: retry scrape and service discovery requests when the remote server closes HTTP keep-alive connection. Previously `disable_keepalive: true` option could be used under `scrape_configs` section when working with such servers.
-
-## [v1.52.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.52.0)
-
-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/tree/master/deployment/docker#alerts).
-* 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.
-* FEATURE: add `tfirst_over_time(m[d])` and `tlast_over_time(m[d])` functions to [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html) for returning timestamps for the first and the last data point in `m` over `d` duration.
-* FEATURE: add ability to pass multiple labels to `sort_by_label()` and `sort_by_label_desc()` functions. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/992> .
-* FEATURE: enforce at least TLS v1.2 when accepting HTTPS requests if `-tls`, `-tlsCertFile` and `-tlsKeyFile` command-line flags are set, because older TLS protocols such as v1.0 and v1.1 have been deprecated due to security vulnerabilities.
-* FEATURE: support `extra_label` query arg for all HTTP-based [data ingestion protocols](https://docs.victoriametrics.com/#how-to-import-time-series-data). This query arg can be used for specifying extra labels which should be added for the ingested data.
-* FEATURE: vmbackup: increase backup chunk size from 128MB to 1GB. This should reduce the number of Object storage API calls during backups by 8x. This may also reduce costs, since object storage API calls usually have non-zero costs. See <https://aws.amazon.com/s3/pricing/> and <https://cloud.google.com/storage/pricing#operations-pricing> .
-
-* BUGFIX: properly parse escaped unicode chars in MetricsQL metric names, label names and function names. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/990>
-* BUGFIX: override user-provided labels with labels set in `extra_label` query args during data ingestion over HTTP-based protocols.
-* BUGFIX: vmagent: prevent from `dialing to the given TCP address time out` error when scraping big number of unavailable targets. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/987>
-* BUGFIX: vmagent: properly show scrape duration on `/targets` page. Previously it was incorrectly shown as 0.000s.
-* BUGFIX: vmagent: properly log errors when `-promscrape.streamParse` command-line flag is set. See <https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1009>
-* BUGFIX: vmagent: properly suppress errors when both `-promscrape.suppressScrapeErrors` and `-promscrape.streamParse` command-line flags are set. See <https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1009> .
-* BUGFIX: vmalert: return non-empty result in template func `query` stub to pass validation. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/989> .
-* BUGFIX: upgrade base image for Docker packages from Alpine 3.12.1 to Alpine 3.12.3 in order to fix potential security issues. See <https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1010>
-
-## Previous releases
-
-See changes for older releases [here](https://docs.victoriametrics.com/CHANGELOG_2020.html).

docs/CaseStudies.md

@@ -30,7 +30,7 @@ where you can chat with VictoriaMetrics users to get additional references, revi
   - [Groove X](#groove-x)
   - [Idealo.de](#idealode)
   - [MHI Vestas Offshore Wind](#mhi-vestas-offshore-wind)
-  - [Naver](#naver)
+  - [Naver][#naver]
   - [Percona](#percona)
   - [Razorpay](#razorpay)
   - [Roblox](#roblox)
@@ -421,12 +421,19 @@ Numbers with current, limited roll out:
 - Data size on disk: 800 GiB
 - Retention period: 3 years
 
-## Naver
+## Naver 
 
-[Naver](https://www.navercorp.com/en/) is a global tech platform that enables wide access to advanced technologies for SMEs, creators and partners,
-fueling their greater growth around the world.
+See [our](https://www.navercorp.com/en/) video ["Time Series in the Multiverse of Madness" (in Korean)](https://www.youtube.com/watch?v=OUyXPgVcdw4) about the comparison of Time Series Database, why we have chosen VictoriaMetrics
+We also covered the internals of the VictoriaMetrics data model and Cluster.
+The key areas: 
 
-See [this video](https://www.youtube.com/watch?v=OUyXPgVcdw4) and [these slides](https://deview.kr/data/deview/session/attach/%5B2B4%5DVictoriaMetrics_%E1%84%89%E1%85%B5%E1%84%80%E1%85%A8%E1%84%8B%E1%85%A7%E1%86%AF_%E1%84%83%E1%85%A6%E1%84%8B%E1%85%B5%E1%84%90%E1%85%A5_%E1%84%83%E1%85%A2%E1%84%92%E1%85%A9%E1%86%AB%E1%84%83%E1%85%A9%E1%86%AB%E1%84%8B%E1%85%B4_%E1%84%86%E1%85%A5%E1%86%AF%E1%84%90%E1%85%B5%E1%84%87%E1%85%A5%E1%84%89%E1%85%B3_Kor+Eng.pdf) on why and how Naver uses VictoriaMetrics.
+* Explanation of the importance and role of Monitoring for NaverCorp
+* History overview of Time Series Databases
+* VictoriaMetrics Data model - read and write paths, index structure, compression and the crucial role of the churn rate
+* Time series in the Multiverse Madness 
+* HA and Fault Tolerance - write without data loss, read for no downtime, management of Multiverse
+
+[Slides](https://deview.kr/data/deview/session/attach/%5B2B4%5DVictoriaMetrics_%E1%84%89%E1%85%B5%E1%84%80%E1%85%A8%E1%84%8B%E1%85%A7%E1%86%AF_%E1%84%83%E1%85%A6%E1%84%8B%E1%85%B5%E1%84%90%E1%85%A5_%E1%84%83%E1%85%A2%E1%84%92%E1%85%A9%E1%86%AB%E1%84%83%E1%85%A9%E1%86%AB%E1%84%8B%E1%85%B4_%E1%84%86%E1%85%A5%E1%86%AF%E1%84%90%E1%85%B5%E1%84%87%E1%85%A5%E1%84%89%E1%85%B3_Kor+Eng.pdf) in English and Korean
 
 ## Percona
 

docs/Cluster-VictoriaMetrics.md

@@ -844,7 +844,7 @@ Below is the output for `/path/to/vminsert -help`:
   -disableRerouting
      Whether to disable re-routing when some of vmstorage nodes accept incoming data at slower speed compared to other storage nodes. Disabled re-routing limits the ingestion rate by the slowest vmstorage node. On the other side, disabled re-routing minimizes the number of active time series in the cluster during rolling restarts and during spikes in series churn rate. See also -dropSamplesOnOverload (default true)
   -dropSamplesOnOverload
-     Whether to drop incoming samples if the destination vmstorage node is overloaded and/or unavailable. This prioritizes cluster availability over consistency, e.g. the cluster continues accepting all the ingested samples, but some of them may be dropped if vmstorage nodes are temporarily unavailable and/or overloaded. The drop of samples happens before the replication, so it's not recommended to use this flag with -replicationFactor enabled.
+     Whether to drop incoming samples if the destination vmstorage node is overloaded and/or unavailable. This prioritizes cluster availability over consistency, e.g. the cluster continues accepting all the ingested samples, but some of them may be dropped if vmstorage nodes are temporarily unavailable and/or overloaded
   -enableTCP6
      Whether to enable IPv6 for listening and dialing. By default, only IPv4 TCP and UDP are used
   -envflag.enable

docs/README.md

@@ -176,8 +176,7 @@ VictoriaMetrics is developed at a fast pace, so it is recommended periodically c
 
 ### Environment variables
 
-All the VictoriaMetrics components allow referring environment variables in `yaml` configuration files (such as `-promscrape.config`)
-and in command-line flags via `%{ENV_VAR}` syntax.
+All the VictoriaMetrics components allow referring environment variables in command-line flags via `%{ENV_VAR}` syntax.
 For example, `-metricsAuthKey=%{METRICS_AUTH_KEY}` is automatically expanded to `-metricsAuthKey=top-secret`
 if `METRICS_AUTH_KEY=top-secret` environment variable exists at VictoriaMetrics startup.
 This expansion is performed by VictoriaMetrics itself.

docs/Release-Guide.md

@@ -48,22 +48,18 @@ Bumping the limits may significantly improve build speed.
 
 ## Release version and Docker images
 
-1. Make sure all the changes are documented in [CHANGELOG.md](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/docs/CHANGELOG.md).
-   Ideally, every change must be documented in the commit with the change. Alternatively, the change must be documented immediately
-   after the commit, which adds the change.
-1. Make sure all the changes are synced between `master`, `cluster`, `enterprise-single-node` and `enteprise-cluster` branches.
-   Changes in these branches must be synced immediately after they are commited in at least a single branch.
-1. Make sure that the release branches have no security issues.
-1. Update release versions if needed in [SECURITY.md](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/SECURITY.md).
+1. 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) and update version if needed in [SECURITY.md](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/docs/SECURITY.md)
 1. Add `(available starting from v1.xx.y)` line to feature docs introduced in the upcoming release.
 1. Cut new version in [CHANGELOG.md](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/docs/CHANGELOG.md)
-   and make it merged. See example in this [commit](https://github.com/VictoriaMetrics/VictoriaMetrics/commit/b771152039d23b5ccd637a23ea748bc44a9511a7).
+and make it merged. See example in this [commit](https://github.com/VictoriaMetrics/VictoriaMetrics/commit/b771152039d23b5ccd637a23ea748bc44a9511a7).
+1. Cherry-pick all changes from `master` to `cluster` branch, and to ENT branches `enterprise-single-node`, `enterprise-cluster`.
 1. Cherry-pick bug fixes relevant for LTS releases.
 1. Make sure you get all changes fetched `git fetch --all`.
 1. 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-single-node` branch
+   * `git tag -s v1.xx.y-enterprise` in `enterprise` branch
    * `git tag -s v1.xx.y-enterprise-cluster` in `enterprise-cluster` branch
 1. 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.

docs/Single-server-VictoriaMetrics.md

@@ -184,8 +184,7 @@ VictoriaMetrics is developed at a fast pace, so it is recommended periodically c
 
 ### Environment variables
 
-All the VictoriaMetrics components allow referring environment variables in `yaml` configuration files (such as `-promscrape.config`)
-and in command-line flags via `%{ENV_VAR}` syntax.
+All the VictoriaMetrics components allow referring environment variables in command-line flags via `%{ENV_VAR}` syntax.
 For example, `-metricsAuthKey=%{METRICS_AUTH_KEY}` is automatically expanded to `-metricsAuthKey=top-secret`
 if `METRICS_AUTH_KEY=top-secret` environment variable exists at VictoriaMetrics startup.
 This expansion is performed by VictoriaMetrics itself.

docs/VictoriaLogs/CHANGELOG.md

@@ -5,7 +5,6 @@ according to [these docs](https://docs.victoriametrics.com/VictoriaLogs/QuickSta
 
 ## tip
 
-* FEATURE: add `-elasticsearch.version` command-line flag, which can be used for specifying Elasticsearch version returned by VictoriaLogs to Filebeat at [elasticsearch bulk API](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#elasticsearch-bulk-api). This helps resolving [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4777).
 * FEATURE: expose the following metrics at [/metrics](monitoring) page:
   * `vl_data_size_bytes{type="storage"}` - on-disk size for data excluding [log stream](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#stream-fields) indexes.
   * `vl_data_size_bytes{type="indexdb"}` - on-disk size for [log stream](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#stream-fields) indexes.

docs/VictoriaLogs/data-ingestion/Filebeat.md

@@ -100,22 +100,6 @@ output.elasticsearch:
     _stream_fields: "host.name,log.file.path"
 ```
 
-Filebeat checks a version of ElasticSearch on startup and refuses to start sending logs if the version is not compatible.
-In order to bypass this check please add `allow_older_versions: true` into `output.elasticsearch` section:
-
-```yml
-output.elasticsearch:
-  hosts: [ "http://localhost:9428/insert/elasticsearch/" ]
-  parameters:
-    _msg_field: "message"
-    _time_field: "@timestamp"
-    _stream_fields: "host.name,log.file.path"
-  allow_older_versions: true
-```
-
-Alternatively, is also possible to change version which VictoriaLogs reports to Filebeat by using `-elasticsearch.version`
-command-line flag.
-
 See also:
 
 - [Data ingestion troubleshooting](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#troubleshooting).

docs/operator/CHANGELOG.md

@@ -24,7 +24,6 @@
 
 - operator set resource requests for config-reloader container by default. See [this PR](https://github.com/VictoriaMetrics/operator/pull/695/) for details.
 - fix `attachMetadata` value miscovert for scrape objects. See [this issue](https://github.com/VictoriaMetrics/operator/issues/697) and [this PR](https://github.com/VictoriaMetrics/operator/pull/698) for details.
-- fix volumeClaimTemplates change check for objects that generate statefulset, like vmstorage, vmselect. Before, the statefulset won't be recreated if additional `claimTemplates` object changed. See [this issue](https://github.com/VictoriaMetrics/operator/issues/507) and [this PR](https://github.com/VictoriaMetrics/operator/pull/719) for details.
 - [vmalert](https://docs.victoriametrics.com/operator/api.html#vmalert): fix `tlsCAFile` argument value generation when using secret or configMap. See [this issue](https://github.com/VictoriaMetrics/operator/issues/699) and [this PR](https://github.com/VictoriaMetrics/operator/issues/699) for details.
 - [vmalertmanager](https://docs.victoriametrics.com/operator/api.html#vmalertmanager): fix default request memory and apply default resources if not set. See [this issue](https://github.com/VictoriaMetrics/operator/issues/706) and [this PR](https://github.com/VictoriaMetrics/operator/pull/710) for details.
 - [vmagent](https://docs.victoriametrics.com/operator/api.html#vmagent): fix missing additional VolumeClaimTemplates when using `ClaimTemplates` under StatefulMode.
@@ -32,15 +31,10 @@
 ### Features
 
 - [vmagent](https://docs.victoriametrics.com/operator/api.html#vmagent): add [example config](https://github.com/VictoriaMetrics/operator/blob/master/config/examples/vmagent_stateful_with_sharding.yaml) for vmagent statefulmode.
-- [vmagent](https://docs.victoriametrics.com/operator/api.html#vmagent)/[vmsingle](https://docs.victoriametrics.com/operator/api.html#vmsingle): adapt new features in streaming aggregation:
-  - support `streamAggr.dropInput`, see [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4243) for details;
-  - support list for `match` parameter, see [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4635) for details;
-  - support `staleness_interval`, see [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4667) for details.
 - [vmcluster](https://docs.victoriametrics.com/operator/api.html#vmagent): add [example config](https://github.com/VictoriaMetrics/operator/blob/master/config/examples/vmcluster_with_additional_claim.yaml) for cluster with custom storage claims.
 - [vmrule](https://docs.victoriametrics.com/operator/api.html#vmrule): support `update_entries_limit` field in rules, refer to [alerting rules](https://docs.victoriametrics.com/vmalert.html#alerting-rules). See [this PR](https://github.com/VictoriaMetrics/operator/pull/691) for details.
 - [vmrule](https://docs.victoriametrics.com/operator/api.html#vmrule): support `keep_firing_for` field in rules, refer to [alerting rules](https://docs.victoriametrics.com/vmalert.html#alerting-rules). See [this PR](https://github.com/VictoriaMetrics/operator/pull/711) for details.
-- [vmoperator parameters](https://docs.victoriametrics.com/operator/vars.html): Add option `VM_ENABLESTRICTSECURITY` and enable strict security context by default. See [this issue](https://github.com/VictoriaMetrics/operator/issues/637), [this](https://github.com/VictoriaMetrics/operator/pull/692/) and [this](https://github.com/VictoriaMetrics/operator/pull/712) PR for details.
-
+- [vmoperator parameters](https://docs.victoriametrics.com/operator/vars.html): Add option `VM_ENABLESTRICTSECURITY` and enable strict security context by default. See [this issue](https://github.com/VictoriaMetrics/operator/issues/637) and [this PR](https://github.com/VictoriaMetrics/operator/pull/692/) for details.
 
 <a name="v0.35.1"></a>
 ## [v0.35.1](https://github.com/VictoriaMetrics/operator/releases/tag/v0.35.1) - 12 Jul 2023
@@ -95,18 +89,18 @@
 
 ### Fixes
 
-- [VMNodeScrape]: fixed selectors for Exists and NotExists operators with empty label Thanks [@Amper](https://github.com/Amper) in https://github.com/VictoriaMetrics/operator/pull/646
-- [VMRule]: Add config for vmrule in validating webhook Thanks in https://github.com/VictoriaMetrics/operator/pull/650
-- [VMAgent]: skips misconfigured objects with missed secret references: https://github.com/VictoriaMetrics/operator/issues/648
-- [VMAgent]: correctly renders initContainer for configuration download: https://github.com/VictoriaMetrics/operator/issues/649
+* [VMNodeScrape]: fixed selectors for Exists and NotExists operators with empty label Thanks [@Amper](https://github.com/Amper) in https://github.com/VictoriaMetrics/operator/pull/646
+* [VMRule] Add config for vmrule in validating webhook Thanks in https://github.com/VictoriaMetrics/operator/pull/650
+* [VMAgent]: skips misconfigured objects with missed secret references: https://github.com/VictoriaMetrics/operator/issues/648
+* [VMAgent]: correctly renders initContainer for configuration download: https://github.com/VictoriaMetrics/operator/issues/649
 
 ### Features
 
-- [VMAlertmanager]: Bump alertmanager to v0.25.0 Thanks [@tamcore](https://github.com/tamcore) in https://github.com/VictoriaMetrics/operator/pull/636
-- [VMCluster]: added `clusterNativePort` field to VMSelect/VMInsert for multi-level cluster setup ([#634](https://github.com/VictoriaMetrics/operator/issues/634)) Thanks [@Amper](https://github.com/Amper) in https://github.com/VictoriaMetrics/operator/pull/639
-- [VMRule]: add notifierHeader field in vmrule spec Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/622
-- [VMPodScrape]: adds FilterRunning option as prometheus does in https://github.com/VictoriaMetrics/operator/pull/640
-- [VMAuth]: adds latest features in https://github.com/VictoriaMetrics/operator/pull/642
+* [VMAlertmanager]: Bump alertmanager to v0.25.0 Thanks [@tamcore](https://github.com/tamcore) in https://github.com/VictoriaMetrics/operator/pull/636
+* [VMCluster] added `clusterNativePort` field to VMSelect/VMInsert for multi-level cluster setup ([#634](https://github.com/VictoriaMetrics/operator/issues/634)) Thanks [@Amper](https://github.com/Amper) in https://github.com/VictoriaMetrics/operator/pull/639
+* [VMRule]: add notifierHeader field in vmrule spec Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/622
+* [VMPodScrape]: adds FilterRunning option as prometheus does in https://github.com/VictoriaMetrics/operator/pull/640
+* [VMAuth]: adds latest features in https://github.com/VictoriaMetrics/operator/pull/642
 
 [Changes][v0.34.0]
 
@@ -116,22 +110,22 @@
 
 ### Fixes
 
-- [VMAlert]: skip bad rules and improve logging for rules exceed max configmap size https://github.com/VictoriaMetrics/operator/commit/bb754d5c20bb371a197cd6ff5afac1ba86a4d92b
-- [VMAlertmanagerConfig]: fixed error with headers in VMAlertmanagerConfig.Receivers.EmailConfigs.Headers unmarshalling. Thanks [@Amper](https://github.com/Amper) in https://github.com/VictoriaMetrics/operator/pull/610
-- [VMAgent]: fixed keepInput setting for streaming aggregation. Thanks [@Amper](https://github.com/Amper) in https://github.com/VictoriaMetrics/operator/pull/618
-- [VMAlertmanagerConfig]: fix webhook config maxAlerts not work. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/625
-- [VMAgent]: Remove single quotes from remote write headers. Thanks [@axelsccp](https://github.com/axelsccp) in https://github.com/VictoriaMetrics/operator/pull/613
-- [VMAlertmanagerConfig]: fix parse route error and some comments. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/630
-- [VMUser]: properly removes finalizers for objects https://github.com/VictoriaMetrics/operator/commit/8f10113920a353f21fbcc8637076905f2e57bb34
+* [VMAlert]: skip bad rules and improve logging for rules exceed max configmap size https://github.com/VictoriaMetrics/operator/commit/bb754d5c20bb371a197cd6ff5afac1ba86a4d92b
+* [VMAlertmanagerConfig]: fixed error with headers in VMAlertmanagerConfig.Receivers.EmailConfigs.Headers unmarshalling. Thanks [@Amper](https://github.com/Amper) in https://github.com/VictoriaMetrics/operator/pull/610
+* [VMAgent]: fixed keepInput setting for streaming aggregation. Thanks [@Amper](https://github.com/Amper) in https://github.com/VictoriaMetrics/operator/pull/618
+* [VMAlertmanagerConfig]: fix webhook config maxAlerts not work. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/625
+* [VMAgent]: Remove single quotes from remote write headers. Thanks [@axelsccp](https://github.com/axelsccp) in https://github.com/VictoriaMetrics/operator/pull/613
+* [VMAlertmanagerConfig]: fix parse route error and some comments. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/630
+* [VMUser]: properly removes finalizers for objects https://github.com/VictoriaMetrics/operator/commit/8f10113920a353f21fbcc8637076905f2e57bb34
 
 ### Features
 
-- [VMAlertmanager]: add option to disable route continue enforce. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/621
-- [VMAlertmanagerConfig]: support set require_tls to false. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/624
-- [VMAlertmanagerConfig]: add sanity check. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/627
-- Makefile: bump Alpine base image to latest v3.17.3. Thanks [@denisgolius](https://github.com/denisgolius) in https://github.com/VictoriaMetrics/operator/pull/628
-- [VMAlertmanagerConfig]: support sound field in pushover config. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/631
-- [VMAgent/VMAuth]: download initial config with initContainer https://github.com/VictoriaMetrics/operator/commit/612e7c8f40659731e7938ef9556eb088c67eb4b7
+* [VMAlertmanager]: add option to disable route continue enforce. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/621
+* [VMAlertmanagerConfig]: support set require_tls to false. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/624
+* [VMAlertmanagerConfig]: add sanity check. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/627
+* Makefile: bump Alpine base image to latest v3.17.3. Thanks [@denisgolius](https://github.com/denisgolius) in https://github.com/VictoriaMetrics/operator/pull/628
+* [VMAlertmanagerConfig]: support sound field in pushover config. Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/631
+* [VMAgent/VMAuth]: download initial config with initContainer https://github.com/VictoriaMetrics/operator/commit/612e7c8f40659731e7938ef9556eb088c67eb4b7
 
 [Changes][v0.33.0]
 
@@ -141,8 +135,8 @@
 
 ### Fixes
 
-- [config]: fixes typo at default vm apps version https://github.com/VictoriaMetrics/operator/issues/608
-- [vmsingle]: conditionally adds stream aggregation config https://github.com/VictoriaMetrics/operator/commit/4a0ca54113afcde439ca4c77e22d3ef1c0d36241
+* [config]: fixes typo at default vm apps version https://github.com/VictoriaMetrics/operator/issues/608
+* [vmsingle]: conditionally adds stream aggregation config https://github.com/VictoriaMetrics/operator/commit/4a0ca54113afcde439ca4c77e22d3ef1c0d36241
 
 [Changes][v0.32.1]
 
@@ -152,14 +146,14 @@
 
 ### Fixes
 
-- [security]: builds docker image with latest `alpine` base image and go `v1.20`.
+* [security]: builds docker image with latest `alpine` base image and go `v1.20`.
 
 ### Features
 
-- [vmauth]: automatically configures `proxy-protocol` client and `reloadAuthKey` for `config-reloader` container. https://github.com/VictoriaMetrics/operator/commit/611819233bf595a4dbd04b07d7be24b7e994379c
-- [vmagent]: adds `scrapeTimeout` global configuration for `VMAgent` https://github.com/VictoriaMetrics/operator/commit/d1d5024c6befa0961f8d56c82a0554935a4b1878
-- [vmagent]: adds [streaming aggregation](https://docs.victoriametrics.com/stream-aggregation.html) for `remoteWrite` targets https://github.com/VictoriaMetrics/operator/commit/b8baa6c2b72bdda64ebfcc9c3d86d846cd9b3c98 Thanks [@Amper](https://github.com/Amper)
-- [vmsingle]: adds [streaming aggregation](https://docs.victoriametrics.com/stream-aggregation.html) as global configuration for database https://github.com/VictoriaMetrics/operator/commit/b8baa6c2b72bdda64ebfcc9c3d86d846cd9b3c98 Thanks [@Amper](https://github.com/Amper)
+* [vmauth]: automatically configures `proxy-protocol` client and `reloadAuthKey` for `config-reloader` container. https://github.com/VictoriaMetrics/operator/commit/611819233bf595a4dbd04b07d7be24b7e994379c
+* [vmagent]: adds `scrapeTimeout` global configuration for `VMAgent` https://github.com/VictoriaMetrics/operator/commit/d1d5024c6befa0961f8d56c82a0554935a4b1878
+* [vmagent]: adds [streaming aggregation](https://docs.victoriametrics.com/stream-aggregation.html) for `remoteWrite` targets https://github.com/VictoriaMetrics/operator/commit/b8baa6c2b72bdda64ebfcc9c3d86d846cd9b3c98 Thanks [@Amper](https://github.com/Amper)
+* [vmsingle]: adds [streaming aggregation](https://docs.victoriametrics.com/stream-aggregation.html) as global configuration for database https://github.com/VictoriaMetrics/operator/commit/b8baa6c2b72bdda64ebfcc9c3d86d846cd9b3c98 Thanks [@Amper](https://github.com/Amper)
 
 [Changes][v0.32.0]
 
@@ -169,13 +163,13 @@
 
 ### Fixes
 
-- [hpa]: Fix hpa object since v2beta deprecated in 1.26+ Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/593
-- [api]: adds missing generated client CRD entities https://github.com/VictoriaMetrics/operator/issues/599
+* [hpa]: Fix hpa object since v2beta deprecated in 1.26+ Thanks [@Haleygo](https://github.com/Haleygo) in https://github.com/VictoriaMetrics/operator/pull/593
+* [api]: adds missing generated client CRD entities https://github.com/VictoriaMetrics/operator/issues/599
 
 ### Features
 
-- [vmalertmanager]: Add support of vmalertmanager.spec.templates and autoreload dirs for templates and configmaps  thanks [@Amper](https://github.com/Amper) https://github.com/VictoriaMetrics/operator/issues/590 https://github.com/VictoriaMetrics/operator/issues/592
-- [vmalertmanager]: Add support "%SHARD_NUM%" placeholder for vmagent sts/deployment  Thanks [@Amper](https://github.com/Amper) https://github.com/VictoriaMetrics/operator/issues/508
+* [vmalertmanager]: Add support of vmalertmanager.spec.templates and autoreload dirs for templates and configmaps  thanks [@Amper](https://github.com/Amper) https://github.com/VictoriaMetrics/operator/issues/590 https://github.com/VictoriaMetrics/operator/issues/592
+* [vmalertmanager]: Add support "%SHARD_NUM%" placeholder for vmagent sts/deployment  Thanks [@Amper](https://github.com/Amper) https://github.com/VictoriaMetrics/operator/issues/508
 
 [Changes][v0.31.0]
 

docs/operator/api.md

@@ -810,7 +810,7 @@ VMAgentSpec defines the desired state of VMAgent
 
 ## VMAgentStatus
 
-VMAgentStatus defines the observed state of VMAgent
+VMAgentStatus defines the observed state of VmAgent
 
 | Field | Description | Scheme | Required |
 | ----- | ----------- | ------ | -------- |
@@ -985,7 +985,6 @@ StreamAggrConfig defines the stream aggregation config
 | ----- | ----------- | ------ | -------- |
 | rules | Stream aggregation rules | [][StreamAggrRule](#streamaggrrule) | true |
 | keepInput | Allows writing both raw and aggregate data | bool | false |
-| dropInput | Allow drop all the input samples after the aggregation | bool | false |
 | dedupInterval | Allows setting different de-duplication intervals per each configured remote storage | string | false |
 
 [Back to TOC](#table-of-contents)
@@ -996,9 +995,8 @@ StreamAggrRule defines the rule in stream aggregation config
 
 | Field | Description | Scheme | Required |
 | ----- | ----------- | ------ | -------- |
-| match | Match is a label selector for filtering time series for the given selector.\n\nIf the match isn't set, then all the input time series are processed. | Match | false |
+| match | Match is a label selector for filtering time series for the given selector.\n\nIf the match isn't set, then all the input time series are processed. | string | false |
 | interval | Interval is the interval between aggregations. | string | true |
-| staleness_interval | StalenessInterval defines an interval after which the series state will be reset if no samples have been sent during it. | string | false |
 | outputs | Outputs is a list of output aggregate functions to produce.\n\nThe following names are allowed:\n\n- total - aggregates input counters - increase - counts the increase over input counters - count_series - counts the input series - count_samples - counts the input samples - sum_samples - sums the input samples - last - the last biggest sample value - min - the minimum sample value - max - the maximum sample value - avg - the average value across all the samples - stddev - standard deviation across all the samples - stdvar - standard variance across all the samples - histogram_bucket - creates VictoriaMetrics histogram for input samples - quantiles(phi1, ..., phiN) - quantiles' estimation for phi in the range [0..1]\n\nThe output time series will have the following names:\n\n  input_name:aggr_<interval>_<output> | []string | true |
 | by | By is an optional list of labels for grouping input series.\n\nSee also Without.\n\nIf neither By nor Without are set, then the Outputs are calculated individually per each input time series. | []string | false |
 | without | Without is an optional list of labels, which must be excluded when grouping input series.\n\nSee also By.\n\nIf neither By nor Without are set, then the Outputs are calculated individually per each input time series. | []string | false |
@@ -1163,7 +1161,7 @@ VMAlertSpec defines the desired state of VMAlert
 
 ## VMAlertStatus
 
-VMAlertStatus defines the observed state of VMAlert
+VMAlertStatus defines the observed state of VmAlert
 
 | Field | Description | Scheme | Required |
 | ----- | ----------- | ------ | -------- |

docs/operator/vars.md

@@ -10,7 +10,8 @@ aliases:
 - /operator/vars.html
 ---
 # Auto Generated vars for package config 
- updated at Thu Aug 10 14:33:38 UTC 2023 
+ updated at Thu Aug  3 16:52:44 UTC 2023 
+
 
 | varible name | variable default value | variable required | variable description |
 | --- | --- | --- | --- |
@@ -126,4 +127,4 @@ aliases:
 | VM_PODWAITREADYINTERVALCHECK | 5s | false | - |
 | VM_PODWAITREADYINITDELAY | 10s | false | - |
 | VM_FORCERESYNCINTERVAL | 60s | false | configures force resync interval for VMAgent, VMAlert, VMAlertmanager and VMAuth. |
-| VM_ENABLESTRICTSECURITY | true | false | EnableStrictSecurity will add default `securityContext` to pods and containers created by operatorDefault PodSecurityContext include:1. RunAsNonRoot: true2. RunAsUser/RunAsGroup/FSGroup: 65534'65534' refers to 'nobody' in all the used default images like alpine, busybox.If you're using customize image, please make sure '65534' is a valid uid in there or specify SecurityContext.3. FSGroupChangePolicy: &onRootMismatchIf KubeVersion>=1.20, use `FSGroupChangePolicy="onRootMismatch"` to skip the recursive permission changewhen the root of the volume already has the correct permissions4. SeccompProfile:type: RuntimeDefaultUse `RuntimeDefault` seccomp profile by default, which is defined by the container runtime,instead of using the Unconfined (seccomp disabled) mode.Default container SecurityContext include:1. AllowPrivilegeEscalation: false2. ReadOnlyRootFilesystem: true3. Capabilities:drop:- all |
+| VM_ENABLESTRICTSECURITY | true | false | EnableStrictSecurity will add default `securityContext` to pods and containers created by operatorDefault PodSecurityContext include:1. RunAsNonRoot: true2. RunAsUser/RunAsGroup/FSGroup: 65534'65534' refers to 'nobody' in all the used default images like alpine, busybox.If you're using customize image, please make sure '65534' is a valid uid in there or specify SecurityContext.Default container SecurityContext include:1. AllowPrivilegeEscalation: false2. ReadOnlyRootFilesystem: true |

docs/stream-aggregation.md

@@ -1,7 +1,7 @@
 ---
 sort: 98
 weight: 98
-title: Streaming aggregation
+title: streaming aggregation
 menu:
   docs:
     parent: "victoriametrics"
@@ -10,7 +10,7 @@ aliases:
 - /stream-aggregation.html
 ---
 
-# Streaming aggregation
+# streaming aggregation
 
 [vmagent](https://docs.victoriametrics.com/vmagent.html) and [single-node VictoriaMetrics](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html)
 can aggregate incoming [samples](https://docs.victoriametrics.com/keyConcepts.html#raw-samples) in streaming mode by time and by labels before data is written to remote storage.
@@ -673,17 +673,3 @@ support the following approaches for hot reloading stream aggregation configs fr
   ```
 
 * By sending HTTP request to `/-/reload` endpoint (e.g. `http://vmagent:8429/-/reload` or `http://victoria-metrics:8428/-/reload).
-
-## Cluster mode
-
-If you use [vmagent in cluster mode](https://docs.victoriametrics.com/vmagent.html#scraping-big-number-of-targets) for streaming aggregation
-(with `-promscrape.cluster.*` parameters or with `VMAgent.spec.shardCount > 1` for [vmoperator](https://docs.victoriametrics.com/operator))
-then be careful when aggregating metrics via `by`, `without` or modifying via `*_relabel_configs` parameters, since incorrect usage
-may result in duplicates and data collision. For example, if more than one `vmagent` instance calculates `increase` for metric `http_requests_total`
-with `by: [path]` directive, then all the `vmagent` instances will aggregate samples to the same set of time series with different `path` labels.
-The proper fix would be to add an unique [`-remoteWrite.label`](https://docs.victoriametrics.com/vmagent.html#adding-labels-to-metrics) per each `vmagent`,
-so every `vmagent` aggregates data into distinct set of time series. These time series then can be aggregated later as needed during querying.
-
-For example, if `vmagent` instances run in Docker or Kubernetes, then you can refer `POD_NAME` or `HOSTNAME` environment variables
-as an unique label value per each `vmagent`: `-remoteWrite.label='vmagent=%{HOSTNAME}` . See [these docs](https://docs.victoriametrics.com/#environment-variables)
-on how to refer environment variables in VictoriaMetrics components.

docs/vmalert.md

@@ -128,11 +128,11 @@ name: <string>
 [ limit: <int> | default = 0 ]
 
 # How many rules execute at once within a group. Increasing concurrency may speed
-# up group's evaluation duration (exposed via `vmalert_iteration_duration_seconds` metric).
+# up round execution speed.
 [ concurrency: <integer> | default = 1 ]
 
 # Optional type for expressions inside the rules. Supported values: "graphite" and "prometheus".
-# By default, "prometheus" type is used.
+# By default "prometheus" type is used.
 [ type: <string> ]
 
 # Optional list of HTTP URL parameters

docs/vmanomaly.md

@@ -135,3 +135,59 @@ It is also possible to split up config into multiple files, just list them all i
 ```sh
 python3 -m vmanomaly model_prophet.yaml io_csv.yaml scheduler_oneoff.yaml
 ```
+
+### Licensing
+
+Starting from v1.5.0 vmanomaly requires a license key to run. You can obtain a trial license
+key [here](https://victoriametrics.com/products/enterprise/trial/).
+
+The license key can be passed via the following command-line flags:
+```
+  --license LICENSE     See https://victoriametrics.com/products/enterprise/
+                        for trial license
+  --license-file LICENSE_FILE
+                        See https://victoriametrics.com/products/enterprise/
+                        for trial license
+  --license-verify-offline LICENSE_VERIFY_OFFLINE
+                        Force offline verification of license code
+```
+
+Usage example:
+```
+python3 -m vmanomaly --license-file /path/to/license_file.yaml config.yaml
+```
+
+In order to make it easier to monitor the license expiration date, the following metrics are exposed:
+```
+# HELP vm_license_expires_at When the license expires as a Unix timestamp in seconds
+# TYPE vm_license_expires_at gauge
+vm_license_expires_at 1.6963776e+09
+# HELP vm_license_expires_in_seconds Amount of seconds until the license expires
+# TYPE vm_license_expires_in_seconds gauge
+vm_license_expires_in_seconds 4.886608e+06
+```
+
+You can find example alerts for [vmalert](https://docs.victoriametrics.com/vmalert.html):
+```yaml
+groups:
+  - name: vm-license
+    # note the `job` filter and update accordingly to your setup
+    rules:
+      - alert: LicenseExpiresInLessThan30Days
+        expr: vm_license_expires_in_seconds < 30 * 24 * 3600
+        labels:
+          severity: warning
+        annotations:
+          summary: "{{ $labels.job }} instance {{ $labels.instance }} license expires in less than 30 days"
+          description: "{{ $labels.instance }} of job {{ $labels.job }} license expires in {{ $value | humanizeDuration }}. 
+            Please make sure to update the license before it expires."
+
+      - alert: LicenseExpiresInLessThan7Days
+        expr: vm_license_expires_in_seconds < 7 * 24 * 3600
+        labels:
+          severity: critical
+        annotations:
+          summary: "{{ $labels.job }} instance {{ $labels.instance }} license expires in less than 7 days"
+          description: "{{ $labels.instance }} of job {{ $labels.job }} license expires in {{ $value | humanizeDuration }}. 
+            Please make sure to update the license before it expires."
+```

docs/vmctl.md

@@ -837,7 +837,7 @@ It is possible split migration process into set of smaller batches based on time
 migrating large volumes of data as this adds indication of progress and ability to restore process from certain point 
 in case of failure.
 
-To use this you need to specify `--vm-native-step-interval` flag. Supported values are: `month`, `week`, `day`, `hour`, `minute`.
+To use this you need to specify `--vm-native-step-interval` flag. Supported values are: `month`, `day`, `hour`, `minute`.
 Note that in order to use this it is required `--vm-native-filter-time-start` to be set to calculate time ranges for 
 export process.
 
@@ -847,7 +847,7 @@ Every range is being processed independently, which means that:
 so it is possible to restart process starting from failed range.
 
 It is recommended using the `month` step when migrating the data over multiple months, 
-since the migration with `week`, `day` and `hour` steps may take longer time to complete because of additional overhead.
+since the migration with `day` and `hour` steps may take longer time to complete because of additional overhead.
 
 Usage example:
 ```console

go.mod

@@ -3,8 +3,8 @@ module github.com/VictoriaMetrics/VictoriaMetrics
 go 1.19
 
 require (
-	cloud.google.com/go/storage v1.32.0
-	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.1
+	cloud.google.com/go/storage v1.31.0
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.0
 	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.1.0
 	github.com/VictoriaMetrics/fastcache v1.12.1
 
@@ -12,11 +12,11 @@ require (
 	// like https://github.com/valyala/fasthttp/commit/996610f021ff45fdc98c2ce7884d5fa4e7f9199b
 	github.com/VictoriaMetrics/fasthttp v1.2.0
 	github.com/VictoriaMetrics/metrics v1.24.0
-	github.com/VictoriaMetrics/metricsql v0.64.0
-	github.com/aws/aws-sdk-go-v2 v1.21.0
-	github.com/aws/aws-sdk-go-v2/config v1.18.38
-	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.11.82
-	github.com/aws/aws-sdk-go-v2/service/s3 v1.38.5
+	github.com/VictoriaMetrics/metricsql v0.62.0
+	github.com/aws/aws-sdk-go-v2 v1.19.0
+	github.com/aws/aws-sdk-go-v2/config v1.18.29
+	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.11.73
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.37.0
 	github.com/bmatcuk/doublestar/v4 v4.6.0
 	github.com/cespare/xxhash/v2 v2.2.0
 	github.com/cheggaaa/pb/v3 v3.1.4
@@ -33,39 +33,39 @@ require (
 	github.com/valyala/gozstd v1.20.1
 	github.com/valyala/histogram v1.2.0
 	github.com/valyala/quicktemplate v1.7.0
-	golang.org/x/net v0.14.0
-	golang.org/x/oauth2 v0.11.0
-	golang.org/x/sys v0.11.0
-	google.golang.org/api v0.138.0
+	golang.org/x/net v0.12.0
+	golang.org/x/oauth2 v0.10.0
+	golang.org/x/sys v0.10.0
+	google.golang.org/api v0.134.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
-	cloud.google.com/go v0.110.7 // indirect
+	cloud.google.com/go v0.110.6 // indirect
 	cloud.google.com/go/compute v1.23.0 // indirect
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
-	cloud.google.com/go/iam v1.1.2 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.1 // indirect
+	cloud.google.com/go/iam v1.1.1 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.0 // indirect
 	github.com/Azure/azure-sdk-for-go/sdk/internal v1.3.0 // indirect
-	github.com/AzureAD/microsoft-authentication-library-for-go v1.2.0 // indirect
+	github.com/AzureAD/microsoft-authentication-library-for-go v1.0.0 // indirect
 	github.com/VividCortex/ewma v1.2.0 // indirect
 	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
-	github.com/aws/aws-sdk-go v1.45.1 // indirect
-	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.13 // indirect
-	github.com/aws/aws-sdk-go-v2/credentials v1.13.36 // indirect
-	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.11 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.41 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.35 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/ini v1.3.42 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/v4a v1.1.4 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.14 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.36 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.35 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.15.4 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sso v1.13.6 // indirect
-	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.15.5 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sts v1.21.5 // indirect
-	github.com/aws/smithy-go v1.14.2 // indirect
+	github.com/aws/aws-sdk-go v1.44.309 // indirect
+	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.10 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.13.28 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.5 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.35 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.29 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.3.36 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/v4a v1.0.27 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.11 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.30 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.29 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.14.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.12.13 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.14.13 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.20.0 // indirect
+	github.com/aws/smithy-go v1.13.5 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
@@ -76,12 +76,12 @@ require (
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/go-logr/logr v1.2.4 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/golang-jwt/jwt/v5 v5.0.0 // indirect
+	github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
-	github.com/google/s2a-go v0.1.5 // indirect
-	github.com/google/uuid v1.3.1 // indirect
+	github.com/google/s2a-go v0.1.4 // indirect
+	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.5 // indirect
 	github.com/grafana/regexp v0.0.0-20221122212121-6b5c0a4cb7fd // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
@@ -107,22 +107,22 @@ require (
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	go.opencensus.io v0.24.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.43.0 // indirect
-	go.opentelemetry.io/otel v1.17.0 // indirect
-	go.opentelemetry.io/otel/metric v1.17.0 // indirect
-	go.opentelemetry.io/otel/trace v1.17.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0 // indirect
+	go.opentelemetry.io/otel v1.16.0 // indirect
+	go.opentelemetry.io/otel/metric v1.16.0 // indirect
+	go.opentelemetry.io/otel/trace v1.16.0 // indirect
 	go.uber.org/atomic v1.11.0 // indirect
 	go.uber.org/goleak v1.2.1 // indirect
-	golang.org/x/crypto v0.12.0 // indirect
+	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/exp v0.0.0-20230713183714-613f0c0eb8a1 // indirect
 	golang.org/x/sync v0.3.0 // indirect
-	golang.org/x/text v0.12.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20230822172742-b8732ec3820d // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
+	google.golang.org/genproto v0.0.0-20230726155614-23370e0ffb3e // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230726155614-23370e0ffb3e // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230726155614-23370e0ffb3e // indirect
 	google.golang.org/grpc v1.57.0 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -13,8 +13,8 @@ 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 v0.110.7 h1:rJyC7nWRg2jWGZ4wSJ5nY65GTdYJkg0cd/uXb+ACI6o=
-cloud.google.com/go v0.110.7/go.mod h1:+EYjdK8e5RME/VY/qLCAtuyALQ9q67dvuum8i+H5xsI=
+cloud.google.com/go v0.110.6 h1:8uYAkj3YHTP/1iwReuHPxLSbdcyc+dSBbzFMrVwDR6Q=
+cloud.google.com/go v0.110.6/go.mod h1:+EYjdK8e5RME/VY/qLCAtuyALQ9q67dvuum8i+H5xsI=
 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=
@@ -27,8 +27,8 @@ cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGB
 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 v1.1.2 h1:gacbrBdWcoVmGLozRuStX45YKvJtzIjJdAolzUs1sm4=
-cloud.google.com/go/iam v1.1.2/go.mod h1:A5avdyVL2tCppe4unb0951eI9jreack+RJ0/d+KUZOU=
+cloud.google.com/go/iam v1.1.1 h1:lW7fzj15aVIXYHREOqjRBV9PsH0Z6u8Y46a1YGvQP4Y=
+cloud.google.com/go/iam v1.1.1/go.mod h1:A5avdyVL2tCppe4unb0951eI9jreack+RJ0/d+KUZOU=
 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=
@@ -38,14 +38,14 @@ 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 v1.32.0 h1:5w6DxEGOnktmJHarxAOUywxVW9lbNWIzlzzUltG/3+o=
-cloud.google.com/go/storage v1.32.0/go.mod h1:Hhh/dogNRGca7IWv1RC2YqEn0c0G77ctA/OxflYkiD8=
+cloud.google.com/go/storage v1.31.0 h1:+S3LjjEN2zZ+L5hOwj4+1OkGCsLVe0NzpXKQ1pSdTCI=
+cloud.google.com/go/storage v1.31.0/go.mod h1:81ams1PrhW16L4kF7qg+4mTq7SRs5HsbDTM0bWvrwJ0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/Azure/azure-sdk-for-go v65.0.0+incompatible h1:HzKLt3kIwMm4KeJYTdx9EbjRYTySD/t8i1Ee/W5EGXw=
-github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.1 h1:/iHxaJhsFr0+xVFfbMr5vxz848jyiWuIEDhYq3y5odY=
-github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.1/go.mod h1:bjGvMhVMb+EEm3VRNQawDMUyMMjo+S5ewNjflkep/0Q=
-github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.1 h1:LNHhpdK7hzUcx/k1LIcuh5k7k1LGIWLQfCjaneSj7Fc=
-github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.1/go.mod h1:uE9zaUfEQT/nbQjVi2IblCG9iaLtZsuYZ8ne+PuQ02M=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.0 h1:8q4SaHjFsClSvuVne0ID/5Ka8u3fcIHyqkLjcFpNRHQ=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.0/go.mod h1:bjGvMhVMb+EEm3VRNQawDMUyMMjo+S5ewNjflkep/0Q=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.0 h1:vcYCAze6p19qBW7MhZybIsqD8sMV8js0NyQM8JDnVtg=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.0/go.mod h1:OQeznEEkTZ9OrhHJoDD8ZDq51FHgXjqtP9z6bEwBq9U=
 github.com/Azure/azure-sdk-for-go/sdk/internal v1.3.0 h1:sXr+ck84g/ZlZUOZiNELInmMgOsuGwdjjVkEIde0OtY=
 github.com/Azure/azure-sdk-for-go/sdk/internal v1.3.0/go.mod h1:okt5dMMTOFjX/aovMlrjvvXoPMBVSPzk9185BT0+eZM=
 github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage v1.2.0 h1:Ma67P/GGprNwsslzEH6+Kb8nybI8jpDTm4Wmzu2ReK8=
@@ -59,8 +59,8 @@ github.com/Azure/go-autorest/autorest/to v0.4.0 h1:oXVqrxakqqV1UZdSazDOPOLvOIz+X
 github.com/Azure/go-autorest/autorest/validation v0.3.1 h1:AgyqjAd94fwNAoTjl/WQXg4VvFeRFpO+UhNyRXqF1ac=
 github.com/Azure/go-autorest/logger v0.2.1 h1:IG7i4p/mDa2Ce4TRyAO8IHnVhAVF3RFU+ZtXWSmf4Tg=
 github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUMfuitfgcfuo=
-github.com/AzureAD/microsoft-authentication-library-for-go v1.2.0 h1:hVeq+yCyUi+MsoO/CU95yqCIcdzra5ovzk8Q2BBpV2M=
-github.com/AzureAD/microsoft-authentication-library-for-go v1.2.0/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.0.0 h1:OBhqkivkhkMqLPymWEppkm7vgPQY2XsHoEkaMQ0AdZY=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.0.0/go.mod h1:kgDmCTgBzIEPFElEF+FK0SdjAor06dRq2Go927dnQ6o=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
@@ -70,8 +70,8 @@ github.com/VictoriaMetrics/fasthttp v1.2.0 h1:nd9Wng4DlNtaI27WlYh5mGXCJOmee/2c2b
 github.com/VictoriaMetrics/fasthttp v1.2.0/go.mod h1:zv5YSmasAoSyv8sBVexfArzFDIGGTN4TfCKAtAw7IfE=
 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 v0.64.0 h1:uty6AXQFY3OpQ+eopo1jDjCcTctuqkqYLnRbQVhukW8=
-github.com/VictoriaMetrics/metricsql v0.64.0/go.mod h1:k4UaP/+CjuZslIjd+kCigNG9TQmUqh5v0TP/nMEy90I=
+github.com/VictoriaMetrics/metricsql v0.62.0 h1:g8Iv8HPuAtgZAJhIIHTHct3eby/ZTpW1zMlJBE3O01c=
+github.com/VictoriaMetrics/metricsql v0.62.0/go.mod h1:k4UaP/+CjuZslIjd+kCigNG9TQmUqh5v0TP/nMEy90I=
 github.com/VividCortex/ewma v1.2.0 h1:f58SaIzcDXrSy3kWaHNvuJgJ3Nmz59Zji6XoJR/q1ow=
 github.com/VividCortex/ewma v1.2.0/go.mod h1:nz4BbCtbLyFDeC9SUHbtcT5644juEuWfUAUnGx7j5l4=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -88,46 +88,46 @@ github.com/andybalholm/brotli v1.0.3/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHG
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@@ -208,10 +208,8 @@ github.com/go-zookeeper/zk v1.0.3 h1:7M2kwOsc//9VeeFiPtf+uSJlVpU66x9Ba5+8XK7/TDg
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
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 github.com/golang-jwt/jwt/v4 v4.5.0 h1:7cYmW1XlMY7h7ii7UhUyChSgS5wUJEnm9uZVTGqOWzg=
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@@ -277,11 +275,11 @@ github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hf
 github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
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@@ -473,14 +471,14 @@ go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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-go.opentelemetry.io/otel/metric v1.17.0 h1:iG6LGVz5Gh+IuO0jmgvpTB6YVrCGngi8QGm+pMd8Pdc=
-go.opentelemetry.io/otel/metric v1.17.0/go.mod h1:h4skoxdZI17AxwITdmdZjjYJQH5nzijUUjm+wtPph5o=
-go.opentelemetry.io/otel/trace v1.17.0 h1:/SWhSRHmDPOImIAetP1QAeMnZYiQXrTy4fMMYOdSKWQ=
-go.opentelemetry.io/otel/trace v1.17.0/go.mod h1:I/4vKTgFclIsXRVucpH25X0mpFSczM7aHeaz0ZBLWjY=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0 h1:pginetY7+onl4qN1vl0xW/V/v6OBZ0vVdH+esuJgvmM=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0/go.mod h1:XiYsayHc36K3EByOO6nbAXnAWbrUxdjUROCEeeROOH8=
+go.opentelemetry.io/otel v1.16.0 h1:Z7GVAX/UkAXPKsy94IU+i6thsQS4nb7LviLpnaNeW8s=
+go.opentelemetry.io/otel v1.16.0/go.mod h1:vl0h9NUa1D5s1nv3A5vZOYWn8av4K8Ml6JDeHrT/bx4=
+go.opentelemetry.io/otel/metric v1.16.0 h1:RbrpwVG1Hfv85LgnZ7+txXioPDoh6EdbZHo26Q3hqOo=
+go.opentelemetry.io/otel/metric v1.16.0/go.mod h1:QE47cpOmkwipPiefDwo2wDzwJrlfxxNYodqc4xnGCo4=
+go.opentelemetry.io/otel/trace v1.16.0 h1:8JRpaObFoW0pxuVPapkgH8UhHQj+bJW8jJsCZEu5MQs=
+go.opentelemetry.io/otel/trace v1.16.0/go.mod h1:Yt9vYq1SdNz3xdjZZK7wcXv1qv2pwLkqr2QVwea0ef0=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
 go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
@@ -495,8 +493,8 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20220314234659-1baeb1ce4c0b/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/crypto v0.12.0 h1:tFM/ta59kqch6LlvYnPa0yx5a83cL2nHflFhYKvv9Yk=
-golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
+golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
+golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -567,16 +565,16 @@ golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
-golang.org/x/net v0.14.0 h1:BONx9s002vGdD9umnlX1Po8vOZmrgH34qlHcD1MfK14=
-golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
+golang.org/x/net v0.12.0 h1:cfawfvKITfUsFCeJIHJrbSxpeu/E81khclypR0GVT50=
+golang.org/x/net v0.12.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.11.0 h1:vPL4xzxBM4niKCW6g9whtaWVXTJf1U5e4aZxxFx/gbU=
-golang.org/x/oauth2 v0.11.0/go.mod h1:LdF7O/8bLR/qWK9DrpXmbHLTouvRHK0SgJl0GmDBchk=
+golang.org/x/oauth2 v0.10.0 h1:zHCpF2Khkwy4mMB4bv0U37YtJdTGW8jI0glAApi0Kh8=
+golang.org/x/oauth2 v0.10.0/go.mod h1:kTpgurOux7LqtuxjuyZa4Gj2gdezIt/jQtGnNFfypQI=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -636,13 +634,12 @@ golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
-golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.11.0 h1:F9tnn/DA/Im8nCwm+fX+1/eBwi4qFjRT++MhtVC4ZX0=
+golang.org/x/term v0.10.0 h1:3R7pNqamzBraeqj/Tj8qt1aQ2HpmlC+Cx/qL/7hn4/c=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -652,8 +649,8 @@ golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
 golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
-golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.11.0 h1:LAntKIrcmeSKERyiOh0XMV39LXS8IE9UL2yP7+f5ij4=
+golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -725,8 +722,8 @@ google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0M
 google.golang.org/api v0.28.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
 google.golang.org/api v0.29.0/go.mod h1:Lcubydp8VUV7KeIHD9z2Bys/sm/vGKnG1UHuDBSrHWM=
 google.golang.org/api v0.30.0/go.mod h1:QGmEvQ87FHZNiUVJkT14jQNYJ4ZJjdRF23ZXz5138Fc=
-google.golang.org/api v0.138.0 h1:K/tVp05MxNVbHShRw9m7e9VJGdagNeTdMzqPH7AUqr0=
-google.golang.org/api v0.138.0/go.mod h1:4xyob8CxC+0GChNBvEUAk8VBKNvYOTWM9T3v3UfRxuY=
+google.golang.org/api v0.134.0 h1:ktL4Goua+UBgoP1eL1/60LwZJqa1sIzkLmvoR3hR6Gw=
+google.golang.org/api v0.134.0/go.mod h1:sjRL3UnjTx5UqNQS9EWr9N8p7xbHpy1k0XGRLCf3Spk=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -765,12 +762,12 @@ google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7Fc
 google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20230822172742-b8732ec3820d h1:VBu5YqKPv6XiJ199exd8Br+Aetz+o08F+PLMnwJQHAY=
-google.golang.org/genproto v0.0.0-20230822172742-b8732ec3820d/go.mod h1:yZTlhN0tQnXo3h00fuXNCxJdLdIdnVFVBaRJ5LWBbw4=
-google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d h1:DoPTO70H+bcDXcd39vOqb2viZxgqeBeSGtZ55yZU4/Q=
-google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d/go.mod h1:KjSP20unUpOx5kyQUFa7k4OJg0qeJ7DEZflGDu2p6Bk=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d h1:uvYuEyMHKNt+lT4K3bN6fGswmK8qSvcreM3BwjDh+y4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d/go.mod h1:+Bk1OCOj40wS2hwAMA+aCW9ypzm63QTBBHp6lQ3p+9M=
+google.golang.org/genproto v0.0.0-20230726155614-23370e0ffb3e h1:xIXmWJ303kJCuogpj0bHq+dcjcZHU+XFyc1I0Yl9cRg=
+google.golang.org/genproto v0.0.0-20230726155614-23370e0ffb3e/go.mod h1:0ggbjUrZYpy1q+ANUS30SEoGZ53cdfwtbuG7Ptgy108=
+google.golang.org/genproto/googleapis/api v0.0.0-20230726155614-23370e0ffb3e h1:z3vDksarJxsAKM5dmEGv0GHwE2hKJ096wZra71Vs4sw=
+google.golang.org/genproto/googleapis/api v0.0.0-20230726155614-23370e0ffb3e/go.mod h1:rsr7RhLuwsDKL7RmgDDCUc6yaGr1iqceVb5Wv6f6YvQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230726155614-23370e0ffb3e h1:S83+ibolgyZ0bqz7KEsUOPErxcv4VzlszxY+31OfB/E=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230726155614-23370e0ffb3e/go.mod h1:TUfxEVdsvPg18p6AslUXFoLdpED4oBnGwyqk3dV1XzM=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=

lib/auth/auth.go

@@ -24,7 +24,12 @@ func (t *Token) String() string {
 }
 
 // NewToken returns new Token for the given authToken.
+//
+// If authToken == "multitenant", then nil Token is returned.
 func NewToken(authToken string) (*Token, error) {
+	if authToken == "multitenant" {
+		return nil, nil
+	}
 	var t Token
 	if err := t.Init(authToken); err != nil {
 		return nil, err
@@ -32,16 +37,6 @@ func NewToken(authToken string) (*Token, error) {
 	return &t, nil
 }
 
-// NewTokenPossibleMultitenant returns new Token for the given authToken.
-//
-// If authToken == "multitenant", then nil Token is returned.
-func NewTokenPossibleMultitenant(authToken string) (*Token, error) {
-	if authToken == "multitenant" {
-		return nil, nil
-	}
-	return NewToken(authToken)
-}
-
 // Init initializes t from authToken.
 func (t *Token) Init(authToken string) error {
 	tmp := strings.Split(authToken, ":")

lib/auth/auth_test.go

@@ -26,24 +26,6 @@ func TestNewTokenSuccess(t *testing.T) {
 	f("1:4294967295", "1:4294967295")
 	// max uint32 accountID and projectID
 	f("4294967295:4294967295", "4294967295:4294967295")
-}
-
-func TestNewTokenPossibleMultitenantSuccess(t *testing.T) {
-	f := func(token string, want string) {
-		t.Helper()
-		newToken, err := NewTokenPossibleMultitenant(token)
-		if err != nil {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		got := newToken.String()
-		if got != want {
-			t.Fatalf("unexpected NewToken() result;got\n%s\nwant\n%s", got, want)
-		}
-	}
-	// token with accountID only
-	f("1", "1")
-	// token with accountID and projecTID
-	f("1:2", "1:2")
 	// multitenant
 	f("multitenant", "multitenant")
 }
@@ -93,6 +75,4 @@ func TestNewTokenFailure(t *testing.T) {
 	f("a:b:c")
 	// many int parts in the token"
 	f("1:2:3")
-	// multitenant
-	f("multitenant")
 }

lib/backup/fscommon/fscommon.go

@@ -52,7 +52,7 @@ func appendFilesInternal(dst []string, d *os.File) ([]string, error) {
 			// Process directory
 			dst, err = AppendFiles(dst, path)
 			if err != nil {
-				return nil, fmt.Errorf("cannot append files %q: %w", path, err)
+				return nil, fmt.Errorf("cannot list %q: %w", path, err)
 			}
 			continue
 		}
@@ -124,6 +124,9 @@ func removeEmptyDirs(dir string) (bool, error) {
 		return false, err
 	}
 	ok, err := removeEmptyDirsInternal(d)
+	if err1 := d.Close(); err1 != nil {
+		err = err1
+	}
 	if err != nil {
 		return false, err
 	}
@@ -154,7 +157,7 @@ func removeEmptyDirsInternal(d *os.File) (bool, error) {
 			// Process directory
 			ok, err := removeEmptyDirs(path)
 			if err != nil {
-				return false, fmt.Errorf("cannot remove empty dirs %q: %w", path, err)
+				return false, fmt.Errorf("cannot list %q: %w", path, err)
 			}
 			if !ok {
 				dirEntries++
@@ -218,9 +221,6 @@ func removeEmptyDirsInternal(d *os.File) (bool, error) {
 	if dirEntries > 0 {
 		return false, nil
 	}
-	if err := d.Close(); err != nil {
-		return false, fmt.Errorf("cannot close %q: %w", dir, err)
-	}
 	// Use os.RemoveAll() instead of os.Remove(), since the dir may contain special files such as flock.lock and backupnames.RestoreInProgressFilename,
 	// which must be ignored.
 	if err := os.RemoveAll(dir); err != nil {

lib/backup/fsremote/fsremote.go

@@ -68,7 +68,6 @@ func (fs *FS) ListParts() ([]common.Part, error) {
 			return nil, fmt.Errorf("cannot stat file %q for part %q: %w", file, p.Path, err)
 		}
 		p.ActualSize = uint64(fi.Size())
-		p.Path = pathToCanonical(p.Path)
 		parts = append(parts, p)
 	}
 	return parts, nil
@@ -76,7 +75,6 @@ func (fs *FS) ListParts() ([]common.Part, error) {
 
 // DeletePart deletes the given part p from fs.
 func (fs *FS) DeletePart(p common.Part) error {
-	p.Path = canonicalPathToLocal(p.Path)
 	path := fs.path(p)
 	if err := os.Remove(path); err != nil {
 		return fmt.Errorf("cannot remove %q: %w", path, err)
@@ -97,7 +95,6 @@ func (fs *FS) CopyPart(srcFS common.OriginFS, p common.Part) error {
 	if !ok {
 		return fmt.Errorf("cannot perform server-side copying from %s to %s: both of them must be fsremote", srcFS, fs)
 	}
-	p.Path = canonicalPathToLocal(p.Path)
 	srcPath := src.path(p)
 	dstPath := fs.path(p)
 	if err := fs.mkdirAll(dstPath); err != nil {
@@ -142,7 +139,6 @@ func (fs *FS) CopyPart(srcFS common.OriginFS, p common.Part) error {
 
 // DownloadPart download part p from fs to w.
 func (fs *FS) DownloadPart(p common.Part, w io.Writer) error {
-	p.Path = canonicalPathToLocal(p.Path)
 	path := fs.path(p)
 	r, err := os.Open(path)
 	if err != nil {
@@ -205,7 +201,6 @@ func (fs *FS) path(p common.Part) string {
 //
 // The function does nothing if the filePath doesn't exist.
 func (fs *FS) DeleteFile(filePath string) error {
-	filePath = canonicalPathToLocal(filePath)
 	path := filepath.Join(fs.Dir, filePath)
 	err := os.Remove(path)
 	if err != nil && !os.IsNotExist(err) {

lib/backup/fsremote/normilize_path_bsd.go

@@ -1,12 +0,0 @@
-//go:build freebsd || openbsd || dragonfly || netbsd
-// +build freebsd openbsd dragonfly netbsd
-
-package fsremote
-
-func pathToCanonical(path string) string {
-	return path
-}
-
-func canonicalPathToLocal(path string) string {
-	return path
-}

lib/backup/fsremote/normilize_path_darwin.go

@@ -1,9 +0,0 @@
-package fsremote
-
-func pathToCanonical(path string) string {
-	return path
-}
-
-func canonicalPathToLocal(path string) string {
-	return path
-}

lib/backup/fsremote/normilize_path_linux.go

@@ -1,9 +0,0 @@
-package fsremote
-
-func pathToCanonical(path string) string {
-	return path
-}
-
-func canonicalPathToLocal(path string) string {
-	return path
-}