test alert annotation

`top` pipe is shorter and easier to understand

.github/workflows/main.yml

@@ -85,7 +85,7 @@ jobs:
           restore-keys: go-artifacts-${{ runner.os }}-${{ matrix.scenario }}-
 
       - name: Run tests
-        run: make ${{ matrix.scenario}}
+        run: GOGC=10 make ${{ matrix.scenario}}
 
       - name: Publish coverage
         uses: codecov/codecov-action@v5

LICENSE

@@ -175,7 +175,7 @@
 
    END OF TERMS AND CONDITIONS
 
-   Copyright 2019-2024 VictoriaMetrics, Inc.
+   Copyright 2019-2025 VictoriaMetrics, Inc.
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

Makefile

@@ -567,7 +567,7 @@ 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 v1.60.3
+	which golangci-lint || curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(shell go env GOPATH)/bin v1.63.4
 
 remove-golangci-lint:
 	rm -rf `which golangci-lint`

README.md

@@ -1,12 +1,14 @@
 # VictoriaMetrics
 
-[![Latest Release](https://img.shields.io/github/release/VictoriaMetrics/VictoriaMetrics.svg?style=flat-square)](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/latest)
-[![Docker Pulls](https://img.shields.io/docker/pulls/victoriametrics/victoria-metrics.svg?maxAge=604800)](https://hub.docker.com/r/victoriametrics/victoria-metrics)
-[![Slack](https://img.shields.io/badge/join%20slack-%23victoriametrics-brightgreen.svg)](https://slack.victoriametrics.com/)
-[![GitHub license](https://img.shields.io/github/license/VictoriaMetrics/VictoriaMetrics.svg)](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/LICENSE)
-[![Go Report](https://goreportcard.com/badge/github.com/VictoriaMetrics/VictoriaMetrics)](https://goreportcard.com/report/github.com/VictoriaMetrics/VictoriaMetrics)
-[![Build Status](https://github.com/VictoriaMetrics/VictoriaMetrics/workflows/main/badge.svg)](https://github.com/VictoriaMetrics/VictoriaMetrics/actions)
-[![codecov](https://codecov.io/gh/VictoriaMetrics/VictoriaMetrics/branch/master/graph/badge.svg)](https://codecov.io/gh/VictoriaMetrics/VictoriaMetrics)
+![Latest Release](https://img.shields.io/github/v/release/VictoriaMetrics/VictoriaMetrics?sort=semver&label=&filter=!*-victorialogs&logo=github&labelColor=gray&color=gray&link=https%3A%2F%2Fgithub.com%2FVictoriaMetrics%2FVictoriaMetrics%2Freleases%2Flatest)
+![Docker Pulls](https://img.shields.io/docker/pulls/victoriametrics/victoria-metrics?label=&logo=docker&logoColor=white&labelColor=2496ED&color=2496ED&link=https%3A%2F%2Fhub.docker.com%2Fr%2Fvictoriametrics%2Fvictoria-metrics)
+![Go Report](https://goreportcard.com/badge/github.com/VictoriaMetrics/VictoriaMetrics?link=https%3A%2F%2Fgoreportcard.com%2Freport%2Fgithub.com%2FVictoriaMetrics%2FVictoriaMetrics)
+![Build Status](https://github.com/VictoriaMetrics/VictoriaMetrics/workflows/main/badge.svg?link=https%3A%2F%2Fgithub.com%2FVictoriaMetrics%2FVictoriaMetrics%2Factions)
+![codecov](https://codecov.io/gh/VictoriaMetrics/VictoriaMetrics/branch/master/graph/badge.svg?link=https%3A%2F%2Fcodecov.io%2Fgh%2FVictoriaMetrics%2FVictoriaMetrics)
+![License](https://img.shields.io/github/license/VictoriaMetrics/VictoriaMetrics?labelColor=green&label=&link=https%3A%2F%2Fgithub.com%2FVictoriaMetrics%2FVictoriaMetrics%2Fblob%2Fmaster%2FLICENSE)
+![Slack](https://img.shields.io/badge/Join-4A154B?logo=slack&link=https%3A%2F%2Fslack.victoriametrics.com)
+![X](https://img.shields.io/twitter/follow/VictoriaMetrics?style=flat&label=Follow&color=black&logo=x&labelColor=black&link=https%3A%2F%2Fx.com%2FVictoriaMetrics)
+![Reddit](https://img.shields.io/reddit/subreddit-subscribers/VictoriaMetrics?style=flat&label=Join&labelColor=red&logoColor=white&logo=reddit&link=https%3A%2F%2Fwww.reddit.com%2Fr%2FVictoriaMetrics)
 
 <picture>
   <source srcset="docs/logo_white.webp" media="(prefers-color-scheme: dark)">

app/victoria-metrics/main.go

@@ -14,6 +14,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/promql"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/buildinfo"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/cgroup"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/envflag"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
@@ -39,9 +40,24 @@ var (
 		"The saved data survives unclean shutdowns such as OOM crash, hardware reset, SIGKILL, etc. "+
 		"Bigger intervals may help increase the lifetime of flash storage with limited write cycles (e.g. Raspberry PI). "+
 		"Smaller intervals increase disk IO load. Minimum supported value is 1s")
+	maxIngestionRate = flag.Int("maxIngestionRate", 0, "The maximum number of samples vmsingle can receive per second. Data ingestion is paused when the limit is exceeded. "+
+		"By default there are no limits on samples ingestion rate.")
+	finalDedupScheduleInterval = flag.Duration("storage.finalDedupScheduleCheckInterval", time.Hour, "The interval for checking when final deduplication process should be started."+
+		"Storage unconditionally adds 25% jitter to the interval value on each check evaluation."+
+		" Changing the interval to the bigger values may delay downsampling, deduplication for historical data."+
+		" See also https://docs.victoriametrics.com/#deduplication")
 )
 
 func main() {
+	// VictoriaMetrics is optimized for reduced memory allocations,
+	// so it can run with the reduced GOGC in order to reduce the used memory,
+	// while keeping CPU usage spent in GC at low levels.
+	//
+	// Some workloads may need increased GOGC values. Then such values can be set via GOGC environment variable.
+	// It is recommended increasing GOGC if go_memstats_gc_cpu_fraction metric exposed at /metrics page
+	// exceeds 0.05 for extended periods of time.
+	cgroup.SetGOGC(30)
+
 	// Write flags and help message to stdout, since it is easier to grep or pipe.
 	flag.CommandLine.SetOutput(os.Stdout)
 	flag.Usage = usage
@@ -74,8 +90,13 @@ func main() {
 	startTime := time.Now()
 	storage.SetDedupInterval(*minScrapeInterval)
 	storage.SetDataFlushInterval(*inmemoryDataFlushInterval)
+	if *finalDedupScheduleInterval < time.Hour {
+		logger.Fatalf("-dedup.finalDedupScheduleCheckInterval cannot be smaller than 1 hour; got %s", *finalDedupScheduleInterval)
+	}
+	storage.SetFinalDedupScheduleInterval(*finalDedupScheduleInterval)
 	vmstorage.Init(promql.ResetRollupResultCacheIfNeeded)
 	vmselect.Init()
+	vminsertcommon.StartIngestionRateLimiter(*maxIngestionRate)
 	vminsert.Init()
 
 	startSelfScraper()
@@ -97,6 +118,7 @@ func main() {
 	}
 	logger.Infof("successfully shut down the webservice in %.3f seconds", time.Since(startTime).Seconds())
 	vminsert.Stop()
+	vminsertcommon.StopIngestionRateLimiter()
 
 	vmstorage.Stop()
 	vmselect.Stop()

app/vlinsert/datadog/datadog.go

@@ -14,6 +14,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
@@ -21,6 +22,11 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
 )
 
+var (
+	datadogStreamFields = flagutil.NewArrayString("datadog.streamFields", "Datadog tags to be used as stream fields.")
+	datadogIgnoreFields = flagutil.NewArrayString("datadog.ignoreFields", "Datadog tags to ignore.")
+)
+
 var parserPool fastjson.ParserPool
 
 // RequestHandler processes Datadog insert requests
@@ -79,6 +85,13 @@ func datadogLogsIngestion(w http.ResponseWriter, r *http.Request) bool {
 		return true
 	}
 
+	if len(cp.StreamFields) == 0 {
+		cp.StreamFields = *datadogStreamFields
+	}
+	if len(cp.IgnoreFields) == 0 {
+		cp.IgnoreFields = *datadogIgnoreFields
+	}
+
 	if err := vlstorage.CanWriteData(); err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return true
@@ -105,6 +118,70 @@ var (
 	v2LogsRequestDuration = metrics.NewHistogram(`vl_http_request_duration_seconds{path="/insert/datadog/api/v2/logs"}`)
 )
 
+// datadog message field has two formats:
+//   - regular log message with string text
+//   - nested json format for serverless plugins
+//     which has folowing format:
+//     {"message": {"message": "text","lamdba": {"arn": "string","requestID": "string"}, "timestamp": int64} }
+//
+// See https://github.com/DataDog/datadog-lambda-extension/blob/28b90c7e4e985b72d60b5f5a5147c69c7ac693c4/bottlecap/src/logs/lambda/mod.rs#L24
+func appendMsgFields(fields []logstorage.Field, v *fastjson.Value) ([]logstorage.Field, error) {
+	switch v.Type() {
+	case fastjson.TypeString:
+		val := v.GetStringBytes()
+		fields = append(fields, logstorage.Field{
+			Name:  "_msg",
+			Value: bytesutil.ToUnsafeString(val),
+		})
+	case fastjson.TypeObject:
+		var firstErr error
+		v.GetObject().Visit(func(k []byte, v *fastjson.Value) {
+			if firstErr != nil {
+				return
+			}
+			switch bytesutil.ToUnsafeString(k) {
+			case "message":
+				val := v.GetStringBytes()
+				fields = append(fields, logstorage.Field{
+					Name:  "_msg",
+					Value: bytesutil.ToUnsafeString(val),
+				})
+			case "status":
+				val := v.GetStringBytes()
+				fields = append(fields, logstorage.Field{
+					Name:  "status",
+					Value: bytesutil.ToUnsafeString(val),
+				})
+			case "lamdba":
+				obj, err := v.Object()
+				if err != nil {
+					firstErr = err
+					firstErr = fmt.Errorf("unexpected lambda value type for %q:%q; want object", k, v)
+					return
+				}
+				obj.Visit(func(k []byte, v *fastjson.Value) {
+					if firstErr != nil {
+						return
+					}
+					val, err := v.StringBytes()
+					if err != nil {
+						firstErr = fmt.Errorf("unexpected lambda label value type for %q:%q; want string", k, v)
+						return
+					}
+					fields = append(fields, logstorage.Field{
+						Name:  bytesutil.ToUnsafeString(k),
+						Value: bytesutil.ToUnsafeString(val),
+					})
+				})
+
+			}
+		})
+	default:
+		return fields, fmt.Errorf("unsupported message type %q", v.Type().String())
+	}
+	return fields, nil
+}
+
 // readLogsRequest parses data according to DataDog logs format
 // https://docs.datadoghq.com/api/latest/logs/#send-logs
 func readLogsRequest(ts int64, data []byte, lmp insertutils.LogMessageProcessor) error {
@@ -129,19 +206,27 @@ func readLogsRequest(ts int64, data []byte, lmp insertutils.LogMessageProcessor)
 			if err != nil {
 				return
 			}
-			val, e := v.StringBytes()
-			if e != nil {
-				err = fmt.Errorf("unexpected label value type for %q:%q; want string", k, v)
-				return
-			}
-			switch string(k) {
+			switch bytesutil.ToUnsafeString(k) {
 			case "message":
-				fields = append(fields, logstorage.Field{
-					Name:  "_msg",
-					Value: bytesutil.ToUnsafeString(val),
-				})
+				fields, err = appendMsgFields(fields, v)
+				if err != nil {
+					return
+				}
+			case "timestamp":
+				val, e := v.Int64()
+				if e != nil {
+					err = fmt.Errorf("failed to parse timestamp for %q:%q", k, v)
+				}
+				if val > 0 {
+					ts = val * 1e6
+				}
 			case "ddtags":
 				// https://docs.datadoghq.com/getting_started/tagging/
+				val, e := v.StringBytes()
+				if e != nil {
+					err = fmt.Errorf("unexpected label value type for %q:%q; want string", k, v)
+					return
+				}
 				var pair []byte
 				idx := 0
 				for idx >= 0 {
@@ -168,12 +253,20 @@ func readLogsRequest(ts int64, data []byte, lmp insertutils.LogMessageProcessor)
 					}
 				}
 			default:
+				val, e := v.StringBytes()
+				if e != nil {
+					err = fmt.Errorf("unexpected label value type for %q:%q; want string", k, v)
+					return
+				}
 				fields = append(fields, logstorage.Field{
 					Name:  bytesutil.ToUnsafeString(k),
 					Value: bytesutil.ToUnsafeString(val),
 				})
 			}
 		})
+		if err != nil {
+			return err
+		}
 		lmp.AddRow(ts, fields, nil)
 		fields = fields[:0]
 	}

app/vlinsert/datadog/datadog_test.go

@@ -54,6 +54,12 @@ func TestReadLogsRequestSuccess(t *testing.T) {
 			"hostname":"127.0.0.1",
 			"message":"bar",
 			"service":"test"
+		}, {
+			"ddsource":"nginx",
+                        "ddtags":"tag1:value1,tag2:value2",
+                        "hostname":"127.0.0.1",
+                        "message":{"message": "nested"},
+                        "service":"test"
 		}, {
 			"ddsource":"nginx",
 			"ddtags":"tag1:value1,tag2:value2",
@@ -86,8 +92,9 @@ func TestReadLogsRequestSuccess(t *testing.T) {
                         "service":"test"
 		}
 	]`
-	rowsExpected := 6
+	rowsExpected := 7
 	resultExpected := `{"ddsource":"nginx","tag1":"value1","tag2":"value2","hostname":"127.0.0.1","_msg":"bar","service":"test"}
+{"ddsource":"nginx","tag1":"value1","tag2":"value2","hostname":"127.0.0.1","_msg":"nested","service":"test"}
 {"ddsource":"nginx","tag1":"value1","tag2":"value2","hostname":"127.0.0.1","_msg":"foobar","service":"test"}
 {"ddsource":"nginx","tag1":"value1","tag2":"value2","hostname":"127.0.0.1","_msg":"baz","service":"test"}
 {"ddsource":"nginx","tag1":"value1","tag2":"value2","hostname":"127.0.0.1","_msg":"xyz","service":"test"}

app/vlinsert/insertutils/line_reader.go

@@ -15,6 +15,8 @@ import (
 // LineReader reads newline-delimited lines from the underlying reader
 type LineReader struct {
 	// Line contains the next line read after the call to NextLine
+	//
+	// The Line contents is valid until the next call to NextLine.
 	Line []byte
 
 	// name is the LineReader name
@@ -26,6 +28,9 @@ type LineReader struct {
 	// buf is a buffer for reading the next line
 	buf []byte
 
+	// bufOffset is the offset at buf to read the next line from
+	bufOffset int
+
 	// err is the last error when reading data from r
 	err error
 
@@ -51,26 +56,27 @@ func NewLineReader(name string, r io.Reader) *LineReader {
 // Check for Err in this case.
 func (lr *LineReader) NextLine() bool {
 	for {
-		if len(lr.buf) == 0 {
+		if lr.bufOffset >= len(lr.buf) {
 			if lr.err != nil || lr.eofReached {
 				return false
 			}
 			if !lr.readMoreData() {
 				return false
 			}
-			if len(lr.buf) == 0 && lr.eofReached {
+			if lr.bufOffset >= len(lr.buf) && lr.eofReached {
 				return false
 			}
 		}
 
-		if n := bytes.IndexByte(lr.buf, '\n'); n >= 0 {
-			lr.Line = append(lr.Line[:0], lr.buf[:n]...)
-			lr.buf = append(lr.buf[:0], lr.buf[n+1:]...)
+		buf := lr.buf[lr.bufOffset:]
+		if n := bytes.IndexByte(buf, '\n'); n >= 0 {
+			lr.Line = buf[:n]
+			lr.bufOffset += n + 1
 			return true
 		}
 		if lr.eofReached {
-			lr.Line = append(lr.Line[:0], lr.buf...)
-			lr.buf = lr.buf[:0]
+			lr.Line = buf
+			lr.bufOffset += len(buf)
 			return true
 		}
 		if !lr.readMoreData() {
@@ -88,6 +94,11 @@ func (lr *LineReader) Err() error {
 }
 
 func (lr *LineReader) readMoreData() bool {
+	if lr.bufOffset > 0 {
+		lr.buf = append(lr.buf[:0], lr.buf[lr.bufOffset:]...)
+		lr.bufOffset = 0
+	}
+
 	bufLen := len(lr.buf)
 	if bufLen >= MaxLineSizeBytes.IntN() {
 		logger.Warnf("%s: the line length exceeds -insert.maxLineSizeBytes=%d; skipping it; line contents=%q", lr.name, MaxLineSizeBytes.IntN(), lr.buf)

app/vlinsert/main.go

@@ -1,6 +1,7 @@
 package vlinsert
 
 import (
+	"fmt"
 	"net/http"
 	"strings"
 
@@ -34,9 +35,15 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 	path = strings.TrimPrefix(path, "/insert")
 	path = strings.ReplaceAll(path, "//", "/")
 
-	if path == "/jsonline" {
+	switch path {
+	case "/jsonline":
 		jsonline.RequestHandler(w, r)
 		return true
+	case "/ready":
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(200)
+		fmt.Fprintf(w, `{"status":"ok"}`)
+		return true
 	}
 	switch {
 	case strings.HasPrefix(path, "/elasticsearch/"):

app/vlogscli/json_prettifier.go

@@ -176,7 +176,7 @@ func writeCompactObject(w io.Writer, fields []logstorage.Field) error {
 		_, err := fmt.Fprintf(w, "%s\n", fields[0].Value)
 		return err
 	}
-	if len(fields) == 2 && fields[0].Name == "_time" || fields[1].Name == "_time" {
+	if len(fields) == 2 && (fields[0].Name == "_time" || fields[1].Name == "_time") {
 		// Write _time\tfieldValue as is
 		if fields[0].Name == "_time" {
 			_, err := fmt.Fprintf(w, "%s\t%s\n", fields[0].Value, fields[1].Value)

app/vlogsgenerator/main.go

@@ -45,6 +45,8 @@ var (
 		"see https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model")
 	u64FieldsPerLog = flag.Int("u64FieldsPerLog", 1, "The number of fields with uint64 values to generate per each log entry; "+
 		"see https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model")
+	i64FieldsPerLog = flag.Int("i64FieldsPerLog", 1, "The number of fields with int64 values to generate per each log entry; "+
+		"see https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model")
 	floatFieldsPerLog = flag.Int("floatFieldsPerLog", 1, "The number of fields with float64 values to generate per each log entry; "+
 		"see https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model")
 	ipFieldsPerLog = flag.Int("ipFieldsPerLog", 1, "The number of fields with IPv4 values to generate per each log entry; "+
@@ -254,6 +256,9 @@ func generateLogsAtTimestamp(bw *bufio.Writer, workerID int, ts int64, firstStre
 		for j := 0; j < *u64FieldsPerLog; j++ {
 			fmt.Fprintf(bw, `,"u64_%d":"%d"`, j, rand.Uint64())
 		}
+		for j := 0; j < *i64FieldsPerLog; j++ {
+			fmt.Fprintf(bw, `,"i64_%d":"%d"`, j, int64(rand.Uint64()))
+		}
 		for j := 0; j < *floatFieldsPerLog; j++ {
 			fmt.Fprintf(bw, `,"float_%d":"%v"`, j, math.Round(10_000*rand.Float64())/1000)
 		}

app/vlselect/logsql/logsql.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"math"
 	"net/http"
+	"regexp"
 	"slices"
 	"sort"
 	"strconv"
@@ -13,6 +14,7 @@ import (
 	"time"
 
 	"github.com/VictoriaMetrics/metrics"
+	"github.com/valyala/fastjson"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
@@ -48,9 +50,10 @@ func ProcessFacetsRequest(ctx context.Context, w http.ResponseWriter, r *http.Re
 		httpserver.Errorf(w, r, "%s", err)
 		return
 	}
+	keepConstFields := httputils.GetBool(r, "keep_const_fields")
 
 	q.DropAllPipes()
-	q.AddFacetsPipe(limit, maxValuesPerField, maxValueLen)
+	q.AddFacetsPipe(limit, maxValuesPerField, maxValueLen, keepConstFields)
 
 	var mLock sync.Mutex
 	m := make(map[string][]facetEntry)
@@ -1092,18 +1095,20 @@ func parseCommonArgs(r *http.Request) (*logstorage.Query, []logstorage.TenantID,
 	}
 
 	// Parse optional extra_filters
-	extraFilters, err := getExtraFilters(r, "extra_filters")
+	extraFiltersStr := r.FormValue("extra_filters")
+	extraFilters, err := parseExtraFilters(extraFiltersStr)
 	if err != nil {
 		return nil, nil, err
 	}
 	q.AddExtraFilters(extraFilters)
 
 	// Parse optional extra_stream_filters
-	extraStreamFilters, err := getExtraFilters(r, "extra_stream_filters")
+	extraStreamFiltersStr := r.FormValue("extra_stream_filters")
+	extraStreamFilters, err := parseExtraStreamFilters(extraStreamFiltersStr)
 	if err != nil {
 		return nil, nil, err
 	}
-	q.AddExtraStreamFilters(extraStreamFilters)
+	q.AddExtraFilters(extraStreamFilters)
 
 	return q, tenantIDs, nil
 }
@@ -1121,15 +1126,114 @@ func getTimeNsec(r *http.Request, argName string) (int64, bool, error) {
 	return nsecs, true, nil
 }
 
-func getExtraFilters(r *http.Request, argName string) ([]logstorage.Field, error) {
-	s := r.FormValue(argName)
+func parseExtraFilters(s string) (*logstorage.Filter, error) {
 	if s == "" {
 		return nil, nil
 	}
-
-	var p logstorage.JSONParser
-	if err := p.ParseLogMessage([]byte(s)); err != nil {
-		return nil, fmt.Errorf("cannot parse %s: %w", argName, err)
+	if !strings.HasPrefix(s, `{"`) {
+		return logstorage.ParseFilter(s)
 	}
-	return p.Fields, nil
+
+	// Extra filters in the form {"field":"value",...}.
+	kvs, err := parseExtraFiltersJSON(s)
+	if err != nil {
+		return nil, err
+	}
+
+	filters := make([]string, len(kvs))
+	for i, kv := range kvs {
+		if len(kv.values) == 1 {
+			filters[i] = fmt.Sprintf("%q:=%q", kv.key, kv.values[0])
+		} else {
+			orValues := make([]string, len(kv.values))
+			for j, v := range kv.values {
+				orValues[j] = fmt.Sprintf("%q", v)
+			}
+			filters[i] = fmt.Sprintf("%q:in(%s)", kv.key, strings.Join(orValues, ","))
+		}
+	}
+	s = strings.Join(filters, " ")
+	return logstorage.ParseFilter(s)
+}
+
+func parseExtraStreamFilters(s string) (*logstorage.Filter, error) {
+	if s == "" {
+		return nil, nil
+	}
+	if !strings.HasPrefix(s, `{"`) {
+		return logstorage.ParseFilter(s)
+	}
+
+	// Extra stream filters in the form {"field":"value",...}.
+	kvs, err := parseExtraFiltersJSON(s)
+	if err != nil {
+		return nil, err
+	}
+
+	filters := make([]string, len(kvs))
+	for i, kv := range kvs {
+		if len(kv.values) == 1 {
+			filters[i] = fmt.Sprintf("%q=%q", kv.key, kv.values[0])
+		} else {
+			orValues := make([]string, len(kv.values))
+			for j, v := range kv.values {
+				orValues[j] = regexp.QuoteMeta(v)
+			}
+			filters[i] = fmt.Sprintf("%q=~%q", kv.key, strings.Join(orValues, "|"))
+		}
+	}
+	s = "{" + strings.Join(filters, ",") + "}"
+	return logstorage.ParseFilter(s)
+}
+
+type extraFilter struct {
+	key    string
+	values []string
+}
+
+func parseExtraFiltersJSON(s string) ([]extraFilter, error) {
+	v, err := fastjson.Parse(s)
+	if err != nil {
+		return nil, err
+	}
+	o := v.GetObject()
+
+	var errOuter error
+	var filters []extraFilter
+	o.Visit(func(k []byte, v *fastjson.Value) {
+		if errOuter != nil {
+			return
+		}
+		switch v.Type() {
+		case fastjson.TypeString:
+			filters = append(filters, extraFilter{
+				key:    string(k),
+				values: []string{string(v.GetStringBytes())},
+			})
+		case fastjson.TypeArray:
+			a := v.GetArray()
+			if len(a) == 0 {
+				return
+			}
+			orValues := make([]string, len(a))
+			for i, av := range a {
+				ov, err := av.StringBytes()
+				if err != nil {
+					errOuter = fmt.Errorf("cannot obtain string item at the array for key %q; item: %s", k, av)
+					return
+				}
+				orValues[i] = string(ov)
+			}
+			filters = append(filters, extraFilter{
+				key:    string(k),
+				values: orValues,
+			})
+		default:
+			errOuter = fmt.Errorf("unexpected type of value for key %q: %s; value: %s", k, v.Type(), v)
+		}
+	})
+	if errOuter != nil {
+		return nil, errOuter
+	}
+	return filters, nil
 }

app/vlselect/logsql/logsql_test.go

@@ -0,0 +1,103 @@
+package logsql
+
+import (
+	"testing"
+)
+
+func TestParseExtraFilters_Success(t *testing.T) {
+	f := func(s, resultExpected string) {
+		t.Helper()
+
+		f, err := parseExtraFilters(s)
+		if err != nil {
+			t.Fatalf("unexpected error in parseExtraFilters: %s", err)
+		}
+		result := f.String()
+		if result != resultExpected {
+			t.Fatalf("unexpected result\ngot\n%s\nwant\n%s", result, resultExpected)
+		}
+	}
+
+	f("", "")
+
+	// JSON string
+	f(`{"foo":"bar"}`, `foo:=bar`)
+	f(`{"foo":["bar","baz"]}`, `foo:in(bar,baz)`)
+	f(`{"z":"=b ","c":["d","e,"],"a":[],"_msg":"x"}`, `z:="=b " c:in(d,"e,") =x`)
+
+	// LogsQL filter
+	f(`foobar`, `foobar`)
+	f(`foo:bar`, `foo:bar`)
+	f(`foo:(bar or baz) error _time:5m {"foo"=bar,baz="z"}`, `(foo:bar or foo:baz) error _time:5m {foo="bar",baz="z"}`)
+}
+
+func TestParseExtraFilters_Failure(t *testing.T) {
+	f := func(s string) {
+		t.Helper()
+
+		_, err := parseExtraFilters(s)
+		if err == nil {
+			t.Fatalf("expecting non-nil error")
+		}
+	}
+
+	// Invalid JSON
+	f(`{"foo"}`)
+	f(`[1,2]`)
+	f(`{"foo":[1]}`)
+
+	// Invliad LogsQL filter
+	f(`foo:(bar`)
+
+	// excess pipe
+	f(`foo | count()`)
+}
+
+func TestParseExtraStreamFilters_Success(t *testing.T) {
+	f := func(s, resultExpected string) {
+		t.Helper()
+
+		f, err := parseExtraStreamFilters(s)
+		if err != nil {
+			t.Fatalf("unexpected error in parseExtraStreamFilters: %s", err)
+		}
+		result := f.String()
+		if result != resultExpected {
+			t.Fatalf("unexpected result;\ngot\n%s\nwant\n%s", result, resultExpected)
+		}
+	}
+
+	f("", "")
+
+	// JSON string
+	f(`{"foo":"bar"}`, `{foo="bar"}`)
+	f(`{"foo":["bar","baz"]}`, `{foo=~"bar|baz"}`)
+	f(`{"z":"b","c":["d","e|\""],"a":[],"_msg":"x"}`, `{z="b",c=~"d|e\\|\"",_msg="x"}`)
+
+	// LogsQL filter
+	f(`foobar`, `foobar`)
+	f(`foo:bar`, `foo:bar`)
+	f(`foo:(bar or baz) error _time:5m {"foo"=bar,baz="z"}`, `(foo:bar or foo:baz) error _time:5m {foo="bar",baz="z"}`)
+}
+
+func TestParseExtraStreamFilters_Failure(t *testing.T) {
+	f := func(s string) {
+		t.Helper()
+
+		_, err := parseExtraStreamFilters(s)
+		if err == nil {
+			t.Fatalf("expecting non-nil error")
+		}
+	}
+
+	// Invalid JSON
+	f(`{"foo"}`)
+	f(`[1,2]`)
+	f(`{"foo":[1]}`)
+
+	// Invliad LogsQL filter
+	f(`foo:(bar`)
+
+	// excess pipe
+	f(`foo | count()`)
+}

app/vlselect/vmui/asset-manifest.json

@@ -1,13 +1,12 @@
 {
   "files": {
-    "main.css": "./static/css/main.d05122da.css",
-    "main.js": "./static/js/main.6082e5a5.js",
+    "main.css": "./static/css/main.4aacd559.css",
+    "main.js": "./static/js/main.5ce54a05.js",
     "static/js/685.f772060c.chunk.js": "./static/js/685.f772060c.chunk.js",
-    "static/media/MetricsQL.md": "./static/media/MetricsQL.a00044c91d9781cf8557.md",
     "index.html": "./index.html"
   },
   "entrypoints": [
-    "static/css/main.d05122da.css",
-    "static/js/main.6082e5a5.js"
+    "static/css/main.4aacd559.css",
+    "static/js/main.5ce54a05.js"
   ]
 }

app/vlselect/vmui/index.html

@@ -1 +1 @@
-<!doctype html><html lang="en"><head><meta charset="utf-8"/><link rel="icon" href="./favicon.svg"/><link rel="apple-touch-icon" href="./favicon.svg"/><link rel="mask-icon" href="./favicon.svg" color="#000000"><meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=5"/><meta name="theme-color" content="#000000"/><meta name="description" content="Explore your log data with VictoriaLogs UI"/><link rel="manifest" href="./manifest.json"/><title>UI for VictoriaLogs</title><meta name="twitter:card" content="summary"><meta name="twitter:title" content="UI for VictoriaLogs"><meta name="twitter:site" content="@https://victoriametrics.com/products/victorialogs/"><meta name="twitter:description" content="Explore your log data with VictoriaLogs UI"><meta name="twitter:image" content="./preview.jpg"><meta property="og:type" content="website"><meta property="og:title" content="UI for VictoriaLogs"><meta property="og:url" content="https://victoriametrics.com/products/victorialogs/"><meta property="og:description" content="Explore your log data with VictoriaLogs UI"><script defer="defer" src="./static/js/main.6082e5a5.js"></script><link href="./static/css/main.d05122da.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.svg"/><link rel="apple-touch-icon" href="./favicon.svg"/><link rel="mask-icon" href="./favicon.svg" color="#000000"><meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=5"/><meta name="theme-color" content="#000000"/><meta name="description" content="Explore your log data with VictoriaLogs UI"/><link rel="manifest" href="./manifest.json"/><title>UI for VictoriaLogs</title><meta name="twitter:card" content="summary"><meta name="twitter:title" content="UI for VictoriaLogs"><meta name="twitter:site" content="@https://victoriametrics.com/products/victorialogs/"><meta name="twitter:description" content="Explore your log data with VictoriaLogs UI"><meta name="twitter:image" content="./preview.jpg"><meta property="og:type" content="website"><meta property="og:title" content="UI for VictoriaLogs"><meta property="og:url" content="https://victoriametrics.com/products/victorialogs/"><meta property="og:description" content="Explore your log data with VictoriaLogs UI"><script defer="defer" src="./static/js/main.5ce54a05.js"></script><link href="./static/css/main.4aacd559.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>

app/vmagent/main.go

@@ -30,6 +30,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/buildinfo"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/cgroup"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/envflag"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
@@ -97,6 +98,15 @@ var (
 )
 
 func main() {
+	// vmagent is optimized for reduced memory allocations,
+	// so it can run with the reduced GOGC in order to reduce the used memory,
+	// while keeping CPU usage spent in GC at low levels.
+	//
+	// Some workloads may need increased GOGC values. Then such values can be set via GOGC environment variable.
+	// It is recommended increasing GOGC if go_memstats_gc_cpu_fraction metric exposed at /metrics page
+	// exceeds 0.05 for extended periods of time.
+	cgroup.SetGOGC(30)
+
 	// Write flags and help message to stdout, since it is easier to grep or pipe.
 	flag.CommandLine.SetOutput(os.Stdout)
 	flag.Usage = usage

app/vmalert/manager.go

@@ -160,8 +160,8 @@ func (m *manager) update(ctx context.Context, groupsCfg []config.Group, restore
 			// it is important to call InterruptEval before the update, because cancel fn
 			// can be re-assigned during the update.
 			item.old.InterruptEval()
-			go func(old *rule.Group, new *rule.Group) {
-				old.UpdateWith(new)
+			go func(oldGroup *rule.Group, newGroup *rule.Group) {
+				oldGroup.UpdateWith(newGroup)
 				wg.Done()
 			}(item.old, item.new)
 		}

app/vmalert/notifier/alertmanager.go

@@ -13,6 +13,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
 )
 
@@ -69,7 +70,17 @@ func (am *AlertManager) Send(ctx context.Context, alerts []Alert, headers map[st
 
 func (am *AlertManager) send(ctx context.Context, alerts []Alert, headers map[string]string) error {
 	b := &bytes.Buffer{}
-	writeamRequest(b, alerts, am.argFunc, am.relabelConfigs)
+	alertsToSend := alerts[:0]
+	lblss := make([][]prompbmarshal.Label, 0, len(alerts))
+	for _, a := range alerts {
+		lbls := a.applyRelabelingIfNeeded(am.relabelConfigs)
+		if len(lbls) == 0 {
+			continue
+		}
+		alertsToSend = append(alertsToSend, a)
+		lblss = append(lblss, lbls)
+	}
+	writeamRequest(b, alertsToSend, am.argFunc, lblss)
 
 	req, err := http.NewRequest(http.MethodPost, am.addr.String(), b)
 	if err != nil {

app/vmalert/notifier/alertmanager_request.qtpl

@@ -1,15 +1,14 @@
 {% import (
     "time"
 
-    "github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
+    "github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 ) %}
 {% stripspace %}
 
-{% func amRequest(alerts []Alert, generatorURL func(Alert) string, relabelCfg *promrelabel.ParsedConfigs) %}
+{% func amRequest(alerts []Alert, generatorURL func(Alert) string, lblss [][]prompbmarshal.Label) %}
 [
 {% for i, alert := range alerts %}
-{% code lbls := alert.applyRelabelingIfNeeded(relabelCfg) %}
-{% if len(lbls) == 0 %} {% continue %} {% endif %}
+{% code lbls := lblss[i] %}
 {
     "startsAt":{%q= alert.Start.Format(time.RFC3339Nano) %},
     "generatorURL": {%q= generatorURL(alert) %},

app/vmalert/notifier/alertmanager_request.qtpl.go

@@ -8,7 +8,7 @@ package notifier
 import (
 	"time"
 
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 )
 
 //line app/vmalert/notifier/alertmanager_request.qtpl:8
@@ -25,122 +25,116 @@ var (
 )
 
 //line app/vmalert/notifier/alertmanager_request.qtpl:8
-func streamamRequest(qw422016 *qt422016.Writer, alerts []Alert, generatorURL func(Alert) string, relabelCfg *promrelabel.ParsedConfigs) {
+func streamamRequest(qw422016 *qt422016.Writer, alerts []Alert, generatorURL func(Alert) string, lblss [][]prompbmarshal.Label) {
 //line app/vmalert/notifier/alertmanager_request.qtpl:8
 	qw422016.N().S(`[`)
 //line app/vmalert/notifier/alertmanager_request.qtpl:10
 	for i, alert := range alerts {
 //line app/vmalert/notifier/alertmanager_request.qtpl:11
-		lbls := alert.applyRelabelingIfNeeded(relabelCfg)
+		lbls := lblss[i]
 
-//line app/vmalert/notifier/alertmanager_request.qtpl:12
-		if len(lbls) == 0 {
-//line app/vmalert/notifier/alertmanager_request.qtpl:12
-			continue
-//line app/vmalert/notifier/alertmanager_request.qtpl:12
-		}
-//line app/vmalert/notifier/alertmanager_request.qtpl:12
+//line app/vmalert/notifier/alertmanager_request.qtpl:11
 		qw422016.N().S(`{"startsAt":`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:14
+//line app/vmalert/notifier/alertmanager_request.qtpl:13
 		qw422016.N().Q(alert.Start.Format(time.RFC3339Nano))
-//line app/vmalert/notifier/alertmanager_request.qtpl:14
+//line app/vmalert/notifier/alertmanager_request.qtpl:13
 		qw422016.N().S(`,"generatorURL":`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:15
+//line app/vmalert/notifier/alertmanager_request.qtpl:14
 		qw422016.N().Q(generatorURL(alert))
-//line app/vmalert/notifier/alertmanager_request.qtpl:15
+//line app/vmalert/notifier/alertmanager_request.qtpl:14
 		qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:16
+//line app/vmalert/notifier/alertmanager_request.qtpl:15
 		if !alert.End.IsZero() {
-//line app/vmalert/notifier/alertmanager_request.qtpl:16
+//line app/vmalert/notifier/alertmanager_request.qtpl:15
 			qw422016.N().S(`"endsAt":`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:17
+//line app/vmalert/notifier/alertmanager_request.qtpl:16
 			qw422016.N().Q(alert.End.Format(time.RFC3339Nano))
-//line app/vmalert/notifier/alertmanager_request.qtpl:17
+//line app/vmalert/notifier/alertmanager_request.qtpl:16
 			qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:18
+//line app/vmalert/notifier/alertmanager_request.qtpl:17
 		}
-//line app/vmalert/notifier/alertmanager_request.qtpl:18
+//line app/vmalert/notifier/alertmanager_request.qtpl:17
 		qw422016.N().S(`"labels": {`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:20
+//line app/vmalert/notifier/alertmanager_request.qtpl:19
 		ll := len(lbls)
 
-//line app/vmalert/notifier/alertmanager_request.qtpl:21
+//line app/vmalert/notifier/alertmanager_request.qtpl:20
 		for idx, l := range lbls {
-//line app/vmalert/notifier/alertmanager_request.qtpl:22
+//line app/vmalert/notifier/alertmanager_request.qtpl:21
 			qw422016.N().Q(l.Name)
-//line app/vmalert/notifier/alertmanager_request.qtpl:22
+//line app/vmalert/notifier/alertmanager_request.qtpl:21
 			qw422016.N().S(`:`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:22
+//line app/vmalert/notifier/alertmanager_request.qtpl:21
 			qw422016.N().Q(l.Value)
-//line app/vmalert/notifier/alertmanager_request.qtpl:22
+//line app/vmalert/notifier/alertmanager_request.qtpl:21
 			if idx != ll-1 {
-//line app/vmalert/notifier/alertmanager_request.qtpl:22
+//line app/vmalert/notifier/alertmanager_request.qtpl:21
 				qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:22
+//line app/vmalert/notifier/alertmanager_request.qtpl:21
 			}
-//line app/vmalert/notifier/alertmanager_request.qtpl:23
+//line app/vmalert/notifier/alertmanager_request.qtpl:22
 		}
-//line app/vmalert/notifier/alertmanager_request.qtpl:23
+//line app/vmalert/notifier/alertmanager_request.qtpl:22
 		qw422016.N().S(`},"annotations": {`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:26
+//line app/vmalert/notifier/alertmanager_request.qtpl:25
 		c := len(alert.Annotations)
 
-//line app/vmalert/notifier/alertmanager_request.qtpl:27
+//line app/vmalert/notifier/alertmanager_request.qtpl:26
 		for k, v := range alert.Annotations {
-//line app/vmalert/notifier/alertmanager_request.qtpl:28
+//line app/vmalert/notifier/alertmanager_request.qtpl:27
 			c = c - 1
 
-//line app/vmalert/notifier/alertmanager_request.qtpl:29
+//line app/vmalert/notifier/alertmanager_request.qtpl:28
 			qw422016.N().Q(k)
-//line app/vmalert/notifier/alertmanager_request.qtpl:29
+//line app/vmalert/notifier/alertmanager_request.qtpl:28
 			qw422016.N().S(`:`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:29
+//line app/vmalert/notifier/alertmanager_request.qtpl:28
 			qw422016.N().Q(v)
-//line app/vmalert/notifier/alertmanager_request.qtpl:29
+//line app/vmalert/notifier/alertmanager_request.qtpl:28
 			if c > 0 {
-//line app/vmalert/notifier/alertmanager_request.qtpl:29
+//line app/vmalert/notifier/alertmanager_request.qtpl:28
 				qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:29
+//line app/vmalert/notifier/alertmanager_request.qtpl:28
 			}
-//line app/vmalert/notifier/alertmanager_request.qtpl:30
+//line app/vmalert/notifier/alertmanager_request.qtpl:29
 		}
-//line app/vmalert/notifier/alertmanager_request.qtpl:30
+//line app/vmalert/notifier/alertmanager_request.qtpl:29
 		qw422016.N().S(`}}`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:33
+//line app/vmalert/notifier/alertmanager_request.qtpl:32
 		if i != len(alerts)-1 {
-//line app/vmalert/notifier/alertmanager_request.qtpl:33
+//line app/vmalert/notifier/alertmanager_request.qtpl:32
 			qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:33
+//line app/vmalert/notifier/alertmanager_request.qtpl:32
 		}
-//line app/vmalert/notifier/alertmanager_request.qtpl:34
+//line app/vmalert/notifier/alertmanager_request.qtpl:33
 	}
-//line app/vmalert/notifier/alertmanager_request.qtpl:34
+//line app/vmalert/notifier/alertmanager_request.qtpl:33
 	qw422016.N().S(`]`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
 }
 
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
-func writeamRequest(qq422016 qtio422016.Writer, alerts []Alert, generatorURL func(Alert) string, relabelCfg *promrelabel.ParsedConfigs) {
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
+func writeamRequest(qq422016 qtio422016.Writer, alerts []Alert, generatorURL func(Alert) string, lblss [][]prompbmarshal.Label) {
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
 	qw422016 := qt422016.AcquireWriter(qq422016)
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
-	streamamRequest(qw422016, alerts, generatorURL, relabelCfg)
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
+	streamamRequest(qw422016, alerts, generatorURL, lblss)
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
 	qt422016.ReleaseWriter(qw422016)
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
 }
 
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
-func amRequest(alerts []Alert, generatorURL func(Alert) string, relabelCfg *promrelabel.ParsedConfigs) string {
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
+func amRequest(alerts []Alert, generatorURL func(Alert) string, lblss [][]prompbmarshal.Label) string {
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
 	qb422016 := qt422016.AcquireByteBuffer()
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
-	writeamRequest(qb422016, alerts, generatorURL, relabelCfg)
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
+	writeamRequest(qb422016, alerts, generatorURL, lblss)
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
 	qs422016 := string(qb422016.B)
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
 	qt422016.ReleaseByteBuffer(qb422016)
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
 	return qs422016
-//line app/vmalert/notifier/alertmanager_request.qtpl:36
+//line app/vmalert/notifier/alertmanager_request.qtpl:35
 }

app/vmalert/notifier/alertmanager_test.go

@@ -105,6 +105,16 @@ func TestAlertManager_Send(t *testing.T) {
 			if r.Header.Get(headerKey) != "bar" {
 				t.Fatalf("expected header %q to be set to %q; got %q instead", headerKey, "bar", r.Header.Get(headerKey))
 			}
+		case 4:
+			var a []struct {
+				Labels map[string]string `json:"labels"`
+			}
+			if err := json.NewDecoder(r.Body).Decode(&a); err != nil {
+				t.Fatalf("can not unmarshal data into alert %s", err)
+			}
+			if len(a) != 1 {
+				t.Fatalf("expected 1 alert in array got %d", len(a))
+			}
 		}
 	})
 	srv := httptest.NewServer(mux)
@@ -168,7 +178,20 @@ func TestAlertManager_Send(t *testing.T) {
 		t.Fatalf("unexpected error %s", err)
 	}
 
-	if c != 3 {
-		t.Fatalf("expected 3 calls(count from zero) to server got %d", c)
+	if err := am.Send(context.Background(), []Alert{
+		{
+			Name:   "alert1",
+			Labels: map[string]string{"rule": "test"},
+		},
+		{
+			Name:   "alert2",
+			Labels: map[string]string{},
+		},
+	}, map[string]string{}); err != nil {
+		t.Fatalf("unexpected error %s", err)
+	}
+
+	if c != 4 {
+		t.Fatalf("expected 4 calls(count from zero) to server got %d", c)
 	}
 }

app/vmalert/rule/alerting.go

@@ -614,7 +614,7 @@ func (ar *AlertingRule) alertToTimeSeries(a *notifier.Alert, timestamp int64) []
 }
 
 func alertToTimeSeries(a *notifier.Alert, timestamp int64) prompbmarshal.TimeSeries {
-	var labels []prompbmarshal.Label
+	labels := make([]prompbmarshal.Label, 0, len(a.Labels)+2)
 	for k, v := range a.Labels {
 		labels = append(labels, prompbmarshal.Label{
 			Name:  k,
@@ -634,7 +634,7 @@ func alertToTimeSeries(a *notifier.Alert, timestamp int64) prompbmarshal.TimeSer
 // alertForToTimeSeries returns a time series that represents
 // state of active alerts, where value is time when alert become active
 func alertForToTimeSeries(a *notifier.Alert, timestamp int64) prompbmarshal.TimeSeries {
-	var labels []prompbmarshal.Label
+	labels := make([]prompbmarshal.Label, 0, len(a.Labels)+1)
 	for k, v := range a.Labels {
 		labels = append(labels, prompbmarshal.Label{
 			Name:  k,
@@ -650,21 +650,24 @@ func alertForToTimeSeries(a *notifier.Alert, timestamp int64) prompbmarshal.Time
 // for alerts which changed their state from Pending to Inactive or Firing.
 func pendingAlertStaleTimeSeries(ls map[string]string, timestamp int64, includeAlertForState bool) []prompbmarshal.TimeSeries {
 	var result []prompbmarshal.TimeSeries
-	var baseLabels []prompbmarshal.Label
+	baseLabels := make([]prompbmarshal.Label, 0, len(ls)+1)
 	for k, v := range ls {
 		baseLabels = append(baseLabels, prompbmarshal.Label{
 			Name:  k,
 			Value: v,
 		})
 	}
+
+	alertsLabels := make([]prompbmarshal.Label, 0, len(ls)+2)
+	alertsLabels = append(alertsLabels, baseLabels...)
 	// __name__ already been dropped, no need to check duplication
-	alertsLabels := append(baseLabels, prompbmarshal.Label{Name: "__name__", Value: alertMetricName})
+	alertsLabels = append(alertsLabels, prompbmarshal.Label{Name: "__name__", Value: alertMetricName})
 	alertsLabels = append(alertsLabels, prompbmarshal.Label{Name: alertStateLabel, Value: notifier.StatePending.String()})
 	result = append(result, newTimeSeries([]float64{decimal.StaleNaN}, []int64{timestamp}, alertsLabels))
 
 	if includeAlertForState {
-		alertsForStateLabels := append(baseLabels, prompbmarshal.Label{Name: "__name__", Value: alertForStateMetricName})
-		result = append(result, newTimeSeries([]float64{decimal.StaleNaN}, []int64{timestamp}, alertsForStateLabels))
+		baseLabels = append(baseLabels, prompbmarshal.Label{Name: "__name__", Value: alertForStateMetricName})
+		result = append(result, newTimeSeries([]float64{decimal.StaleNaN}, []int64{timestamp}, baseLabels))
 	}
 	return result
 }
@@ -672,22 +675,25 @@ func pendingAlertStaleTimeSeries(ls map[string]string, timestamp int64, includeA
 // firingAlertStaleTimeSeries returns stale `ALERTS` and `ALERTS_FOR_STATE` time series
 // for alerts which changed their state from Firing to Inactive.
 func firingAlertStaleTimeSeries(ls map[string]string, timestamp int64) []prompbmarshal.TimeSeries {
-	var baseLabels []prompbmarshal.Label
+	baseLabels := make([]prompbmarshal.Label, 0, len(ls)+1)
 	for k, v := range ls {
 		baseLabels = append(baseLabels, prompbmarshal.Label{
 			Name:  k,
 			Value: v,
 		})
 	}
+
+	alertsLabels := make([]prompbmarshal.Label, 0, len(ls)+2)
+	alertsLabels = append(alertsLabels, baseLabels...)
 	// __name__ already been dropped, no need to check duplication
-	alertsLabels := append(baseLabels, prompbmarshal.Label{Name: "__name__", Value: alertMetricName})
+	alertsLabels = append(alertsLabels, prompbmarshal.Label{Name: "__name__", Value: alertMetricName})
 	alertsLabels = append(alertsLabels, prompbmarshal.Label{Name: alertStateLabel, Value: notifier.StateFiring.String()})
 
-	alertsForStateLabels := append(baseLabels, prompbmarshal.Label{Name: "__name__", Value: alertForStateMetricName})
+	baseLabels = append(baseLabels, prompbmarshal.Label{Name: "__name__", Value: alertForStateMetricName})
 
 	return []prompbmarshal.TimeSeries{
 		newTimeSeries([]float64{decimal.StaleNaN}, []int64{timestamp}, alertsLabels),
-		newTimeSeries([]float64{decimal.StaleNaN}, []int64{timestamp}, alertsForStateLabels),
+		newTimeSeries([]float64{decimal.StaleNaN}, []int64{timestamp}, baseLabels),
 	}
 }
 

app/vmalert/rule/alerting_test.go

@@ -252,10 +252,14 @@ func TestAlertingRule_Exec(t *testing.T) {
 	},
 		map[int][]prompbmarshal.TimeSeries{
 			0: {
-				{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "empty_labels"}, {Name: "alertstate", Value: "firing"}},
-					Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}}},
-				{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "empty_labels"}},
-					Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}}},
+				{
+					Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "empty_labels"}, {Name: "alertstate", Value: "firing"}},
+					Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}},
+				},
+				{
+					Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "empty_labels"}},
+					Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}},
+				},
 			},
 		})
 
@@ -273,22 +277,34 @@ func TestAlertingRule_Exec(t *testing.T) {
 		4: {{labels: []string{"name", "foo"}, alert: &notifier.Alert{State: notifier.StateInactive}}},
 	}, map[int][]prompbmarshal.TimeSeries{
 		0: {
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}},
+			},
 		},
 		1: {
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
 		},
 		2: {
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: float64(ts.Add(2 * defaultStep).Unix()), Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "single-firing=>inactive=>firing=>inactive=>inactive"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: float64(ts.Add(2 * defaultStep).Unix()), Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}},
+			},
 		},
 	})
 
@@ -344,34 +360,54 @@ func TestAlertingRule_Exec(t *testing.T) {
 		},
 	}, map[int][]prompbmarshal.TimeSeries{
 		0: {
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}},
+			},
 		},
 		1: {
 			// stale time series for foo, `firing -> inactive`
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
 			// new time series for foo1
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo1"}},
-				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo1"}},
-				Samples: []prompbmarshal.Sample{{Value: float64(ts.Add(defaultStep).Unix()), Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo1"}},
+				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo1"}},
+				Samples: []prompbmarshal.Sample{{Value: float64(ts.Add(defaultStep).Unix()), Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
 		},
 		2: {
 			// stale time series for foo1
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo1"}},
-				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo1"}},
-				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo1"}},
+				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo1"}},
+				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}},
+			},
 			// new time series for foo2
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo2"}},
-				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo2"}},
-				Samples: []prompbmarshal.Sample{{Value: float64(ts.Add(2 * defaultStep).Unix()), Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo2"}},
+				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "multiple-steps-firing"}, {Name: "name", Value: "foo2"}},
+				Samples: []prompbmarshal.Sample{{Value: float64(ts.Add(2 * defaultStep).Unix()), Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}},
+			},
 		},
 	})
 
@@ -389,50 +425,72 @@ func TestAlertingRule_Exec(t *testing.T) {
 		1: {{labels: []string{"name", "foo"}, alert: &notifier.Alert{State: notifier.StateFiring}}},
 	}, map[int][]prompbmarshal.TimeSeries{
 		0: {
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}},
+			},
 		},
 		1: {
 			// stale time series for `pending -> firing`
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: float64(ts.Add(defaultStep).Unix()), Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "alertstate", Value: "firing"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "for-fired"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: float64(ts.Add(defaultStep).Unix()), Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
 		},
 	})
 
 	f(newTestAlertingRule("for-pending=>empty", time.Second), [][]datasource.Metric{
-		{metricWithLabels(t, "name", "foo")},
-		{metricWithLabels(t, "name", "foo")},
+		{metricWithLabels(t, "name", "foo", "a1", "b1", "a2", "b2", "a3", "b3")},
+		{metricWithLabels(t, "name", "foo", "a1", "b1", "a2", "b2", "a3", "b3")},
 		// empty step to delete pending alerts
 		{},
 	}, map[int][]testAlert{
-		0: {{labels: []string{"name", "foo"}, alert: &notifier.Alert{State: notifier.StatePending}}},
-		1: {{labels: []string{"name", "foo"}, alert: &notifier.Alert{State: notifier.StatePending}}},
+		0: {{labels: []string{"name", "foo", "a1", "b1", "a2", "b2", "a3", "b3"}, alert: &notifier.Alert{State: notifier.StatePending}}},
+		1: {{labels: []string{"name", "foo", "a1", "b1", "a2", "b2", "a3", "b3"}, alert: &notifier.Alert{State: notifier.StatePending}}},
 		2: {},
 	}, map[int][]prompbmarshal.TimeSeries{
 		0: {
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "a1", Value: "b1"}, {Name: "a2", Value: "b2"}, {Name: "a3", Value: "b3"}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "a1", Value: "b1"}, {Name: "a2", Value: "b2"}, {Name: "a3", Value: "b3"}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.UnixNano() / 1e6}},
+			},
 		},
 		1: {
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "a1", Value: "b1"}, {Name: "a2", Value: "b2"}, {Name: "a3", Value: "b3"}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: 1, Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "a1", Value: "b1"}, {Name: "a2", Value: "b2"}, {Name: "a3", Value: "b3"}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: float64(ts.Unix()), Timestamp: ts.Add(defaultStep).UnixNano() / 1e6}},
+			},
 		},
 		// stale time series for `pending -> inactive`
 		2: {
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}}},
-			{Labels: []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "name", Value: "foo"}},
-				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}}},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertMetricName}, {Name: "a1", Value: "b1"}, {Name: "a2", Value: "b2"}, {Name: "a3", Value: "b3"}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "alertstate", Value: "pending"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}},
+			},
+			{
+				Labels:  []prompbmarshal.Label{{Name: "__name__", Value: alertForStateMetricName}, {Name: "a1", Value: "b1"}, {Name: "a2", Value: "b2"}, {Name: "a3", Value: "b3"}, {Name: "alertname", Value: "for-pending=>empty"}, {Name: "name", Value: "foo"}},
+				Samples: []prompbmarshal.Sample{{Value: decimal.StaleNaN, Timestamp: ts.Add(2*defaultStep).UnixNano() / 1e6}},
+			},
 		},
 	})
 

app/vmalert/rule/group.go

@@ -443,8 +443,8 @@ func (g *Group) Start(ctx context.Context, nts func() []notifier.Notifier, rw re
 }
 
 // UpdateWith inserts new group to updateCh
-func (g *Group) UpdateWith(new *Group) {
-	g.updateCh <- new
+func (g *Group) UpdateWith(newGroup *Group) {
+	g.updateCh <- newGroup
 }
 
 // DeepCopy returns a deep copy of group

app/vmauth/auth_config.go

@@ -7,11 +7,13 @@ import (
 	"flag"
 	"fmt"
 	"math"
+	"net"
 	"net/http"
 	"net/url"
 	"os"
 	"regexp"
 	"sort"
+	"strconv"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -348,6 +350,7 @@ func (up *URLPrefix) discoverBackendAddrsIfNeeded() {
 	hostToAddrs := make(map[string][]string)
 	for _, bu := range up.busOriginal {
 		host := bu.Hostname()
+		port := bu.Port()
 		if hostToAddrs[host] != nil {
 			// ips for the given host have been already discovered
 			continue
@@ -364,7 +367,11 @@ func (up *URLPrefix) discoverBackendAddrsIfNeeded() {
 			} else {
 				resolvedAddrs = make([]string, len(addrs))
 				for i, addr := range addrs {
-					resolvedAddrs[i] = fmt.Sprintf("%s:%d", addr.Target, addr.Port)
+					hostPort := port
+					if hostPort == "" && addr.Port > 0 {
+						hostPort = strconv.FormatUint(uint64(addr.Port), 10)
+					}
+					resolvedAddrs[i] = net.JoinHostPort(addr.Target, hostPort)
 				}
 			}
 		} else {
@@ -375,7 +382,7 @@ func (up *URLPrefix) discoverBackendAddrsIfNeeded() {
 			} else {
 				resolvedAddrs = make([]string, len(addrs))
 				for i, addr := range addrs {
-					resolvedAddrs[i] = addr.String()
+					resolvedAddrs[i] = net.JoinHostPort(addr.String(), port)
 				}
 			}
 		}
@@ -389,17 +396,9 @@ func (up *URLPrefix) discoverBackendAddrsIfNeeded() {
 	var busNew []*backendURL
 	for _, bu := range up.busOriginal {
 		host := bu.Hostname()
-		port := bu.Port()
 		for _, addr := range hostToAddrs[host] {
 			buCopy := *bu
 			buCopy.Host = addr
-			if port != "" {
-				if n := strings.IndexByte(buCopy.Host, ':'); n >= 0 {
-					// Drop the discovered port and substitute it the port specified in bu.
-					buCopy.Host = buCopy.Host[:n]
-				}
-				buCopy.Host += ":" + port
-			}
 			busNew = append(busNew, &backendURL{
 				url: &buCopy,
 			})

app/vmauth/auth_config_test.go

@@ -3,12 +3,14 @@ package main
 import (
 	"bytes"
 	"fmt"
+	"net"
 	"net/url"
 	"testing"
 
 	"gopkg.in/yaml.v2"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/netutil"
 )
 
 func TestParseAuthConfigFailure(t *testing.T) {
@@ -799,6 +801,75 @@ func TestBrokenBackend(t *testing.T) {
 	}
 }
 
+func TestDiscoverBackendIPsWithIPV6(t *testing.T) {
+	f := func(actualUrl, expectedUrl string) {
+		t.Helper()
+		up := mustParseURL(actualUrl)
+		up.discoverBackendIPs = true
+		up.loadBalancingPolicy = "least_loaded"
+
+		up.discoverBackendAddrsIfNeeded()
+		pbus := up.bus.Load()
+		bus := *pbus
+
+		if len(bus) != 1 {
+			t.Fatalf("expected url list to be of size 1; got %d instead", len(bus))
+		}
+
+		got := bus[0].url.Host
+		if got != expectedUrl {
+			t.Fatalf(`expected url to be %q; got %q instead`, expectedUrl, bus[0].url.Host)
+		}
+	}
+
+	// Discover backendURL with SRV hostnames
+	customResolver := &fakeResolver{
+		Resolver: &net.Resolver{},
+		// SRV records must return hostname
+		// not an IP address
+		lookupSRVResults: map[string][]*net.SRV{
+			"_vmselect._tcp.selectwithport.": {
+				{
+					Target: "vmselect.local",
+					Port:   8481,
+				},
+			},
+			"_vmselect._tcp.selectwoport.": {
+				{
+					Target: "vmselect.local",
+				},
+			},
+		},
+		lookupIPAddrResults: map[string][]net.IPAddr{
+			"vminsert.local": {
+				{
+					IP: net.ParseIP("10.0.10.13"),
+				},
+			},
+			"ipv6.vminsert.local": {
+				{
+					IP: net.ParseIP("2607:f8b0:400a:80b::200e"),
+				},
+			},
+		},
+	}
+	origResolver := netutil.Resolver
+	netutil.Resolver = customResolver
+	defer func() {
+		netutil.Resolver = origResolver
+	}()
+	f("http://srv+_vmselect._tcp.selectwithport.:8080", "vmselect.local:8080")
+	f("http://srv+_vmselect._tcp.selectwithport.:", "vmselect.local:8481")
+	f("http://srv+_vmselect._tcp.selectwoport.:8080", "vmselect.local:8080")
+	f("http://srv+_vmselect._tcp.selectwoport.", "vmselect.local:")
+
+	f("http://vminsert.local:8080", "10.0.10.13:8080")
+	f("http://vminsert.local", "10.0.10.13:")
+	f("http://ipv6.vminsert.local:8080", "[2607:f8b0:400a:80b::200e]:8080")
+	f("http://ipv6.vminsert.local", "[2607:f8b0:400a:80b::200e]:")
+
+}
+
 func getRegexs(paths []string) []*Regex {
 	var sps []*Regex
 	for _, path := range paths {

app/vmauth/main.go

@@ -213,7 +213,7 @@ func processRequest(w http.ResponseWriter, r *http.Request, ui *UserInfo) {
 			missingRouteRequests.Inc()
 			var di string
 			if ui.DumpRequestOnErrors {
-				di = debugInfo(u, r.Header)
+				di = debugInfo(u, r)
 			}
 			httpserver.Errorf(w, r, "missing route for %q%s", u.String(), di)
 			return
@@ -668,13 +668,13 @@ func (rtb *readTrackingBody) Close() error {
 	return nil
 }
 
-func debugInfo(u *url.URL, h http.Header) string {
+func debugInfo(u *url.URL, r *http.Request) string {
 	s := &strings.Builder{}
-	fmt.Fprintf(s, " (host: %q; ", u.Host)
+	fmt.Fprintf(s, " (host: %q; ", r.Host)
 	fmt.Fprintf(s, "path: %q; ", u.Path)
 	fmt.Fprintf(s, "args: %q; ", u.Query().Encode())
 	fmt.Fprint(s, "headers:")
-	_ = h.WriteSubset(s, nil)
+	_ = r.Header.WriteSubset(s, nil)
 	fmt.Fprint(s, ")")
 	return s.String()
 }

app/vmctl/influx/influx.go

@@ -180,11 +180,7 @@ func (c *Client) Explore() ([]*Series, error) {
 			log.Printf("skip measurement %q since it has no fields", s.Measurement)
 			continue
 		}
-		tags, ok := measurementTags[s.Measurement]
-		if !ok {
-			return nil, fmt.Errorf("failed to find tags of measurement %s", s.Measurement)
-		}
-		emptyTags := getEmptyTags(tags, s.LabelPairs)
+		emptyTags := getEmptyTags(measurementTags[s.Measurement], s.LabelPairs)
 		for _, field := range fields {
 			is := &Series{
 				Measurement: s.Measurement,
@@ -201,11 +197,16 @@ func (c *Client) Explore() ([]*Series, error) {
 // getEmptyTags returns tags of a measurement that are missing in a specific series.
 // Tags represent all tags of a measurement. LabelPairs represent tags of a specific series.
 func getEmptyTags(tags map[string]struct{}, LabelPairs []LabelPair) []string {
+	if len(tags) == 0 {
+		// fast path: the measurement does not contain any tag
+		return nil
+	}
+
 	labelMap := make(map[string]struct{})
 	for _, pair := range LabelPairs {
 		labelMap[pair.Name] = struct{}{}
 	}
-	result := make([]string, 0, len(labelMap)-len(LabelPairs))
+	var result []string
 	for tag := range tags {
 		if _, ok := labelMap[tag]; !ok {
 			result = append(result, tag)

app/vmctl/prometheus/prometheus.go

@@ -40,15 +40,15 @@ type filter struct {
 	labelValue string
 }
 
-func (f filter) inRange(min, max int64) bool {
+func (f filter) inRange(minV, maxV int64) bool {
 	fmin, fmax := f.min, f.max
-	if min == 0 {
-		fmin = min
+	if minV == 0 {
+		fmin = minV
 	}
 	if fmax == 0 {
-		fmax = max
+		fmax = maxV
 	}
-	return min <= fmax && fmin <= max
+	return minV <= fmax && fmin <= maxV
 }
 
 // NewClient creates and validates new Client
@@ -59,13 +59,13 @@ func NewClient(cfg Config) (*Client, error) {
 		return nil, fmt.Errorf("failed to open snapshot %q: %s", cfg.Snapshot, err)
 	}
 	c := &Client{DBReadOnly: db}
-	min, max, err := parseTime(cfg.Filter.TimeMin, cfg.Filter.TimeMax)
+	minTime, maxTime, err := parseTime(cfg.Filter.TimeMin, cfg.Filter.TimeMax)
 	if err != nil {
 		return nil, fmt.Errorf("failed to parse time in filter: %s", err)
 	}
 	c.filter = filter{
-		min:        min,
-		max:        max,
+		min:        minTime,
+		max:        maxTime,
 		label:      cfg.Filter.Label,
 		labelValue: cfg.Filter.LabelValue,
 	}

app/vminsert/common/insert_ctx.go

@@ -4,16 +4,48 @@ import (
 	"fmt"
 	"net/http"
 
+	"github.com/VictoriaMetrics/metrics"
+
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/relabel"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/ratelimiter"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/slicesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeserieslimits"
 )
 
+// StartIngestionRateLimiter starts ingestion rate limiter.
+//
+// Ingestion rate limiter must be started before Init() call.
+//
+// StopIngestionRateLimiter must be called before Stop() call in order to unblock all the callers
+// to ingestion rate limiter. Otherwise deadlock may occur at Stop() call.
+func StartIngestionRateLimiter(maxIngestionRate int) {
+	if maxIngestionRate <= 0 {
+		return
+	}
+	ingestionRateLimitReached := metrics.NewCounter(`vm_max_ingestion_rate_limit_reached_total`)
+	ingestionRateLimiterStopCh = make(chan struct{})
+	ingestionRateLimiter = ratelimiter.New(int64(maxIngestionRate), ingestionRateLimitReached, ingestionRateLimiterStopCh)
+}
+
+// StopIngestionRateLimiter stops ingestion rate limiter.
+func StopIngestionRateLimiter() {
+	if ingestionRateLimiterStopCh == nil {
+		return
+	}
+	close(ingestionRateLimiterStopCh)
+	ingestionRateLimiterStopCh = nil
+}
+
+var (
+	ingestionRateLimiter       *ratelimiter.RateLimiter
+	ingestionRateLimiterStopCh chan struct{}
+)
+
 // InsertCtx contains common bits for data points insertion.
 type InsertCtx struct {
 	Labels sortedLabels
@@ -79,18 +111,9 @@ func (ctx *InsertCtx) TryPrepareLabels(hasRelabeling bool) bool {
 }
 
 // WriteDataPoint writes (timestamp, value) with the given prefix and labels into ctx buffer.
-func (ctx *InsertCtx) WriteDataPoint(prefix []byte, hasRelabeling bool, labels []prompbmarshal.Label, timestamp int64, value float64) error {
-	if !ctx.TryPrepareLabels(hasRelabeling) {
-		return nil
-	}
-	metricNameRaw := ctx.marshalMetricNameRaw(prefix, labels)
-	return ctx.addRow(metricNameRaw, timestamp, value)
-}
-
-// WriteDataPointUnchecked writes (timestamp, value) with the given prefix and labels into ctx buffer.
 //
 // caller should invoke TryPrepareLabels before using this function if needed
-func (ctx *InsertCtx) WriteDataPointUnchecked(prefix []byte, labels []prompbmarshal.Label, timestamp int64, value float64) error {
+func (ctx *InsertCtx) WriteDataPoint(prefix []byte, labels []prompbmarshal.Label, timestamp int64, value float64) error {
 	metricNameRaw := ctx.marshalMetricNameRaw(prefix, labels)
 	return ctx.addRow(metricNameRaw, timestamp, value)
 }
@@ -181,9 +204,12 @@ func (ctx *InsertCtx) FlushBufs() error {
 		}
 		matchIdxsPool.Put(matchIdxs)
 	}
+	ingestionRateLimiter.Register(len(ctx.mrs))
+
 	// There is no need in limiting the number of concurrent calls to vmstorage.AddRows() here,
 	// since the number of concurrent FlushBufs() calls should be already limited via writeconcurrencylimiter
 	// used at every stream.Parse() call under lib/protoparser/*
+
 	err := vmstorage.AddRows(ctx.mrs)
 	ctx.Reset(0)
 	if err == nil {

app/vminsert/common/streamaggr.go

@@ -267,7 +267,7 @@ func pushAggregateSeries(tss []prompbmarshal.TimeSeries) {
 			ctx.AddLabel(name, label.Value)
 		}
 		value := ts.Samples[0].Value
-		if err := ctx.WriteDataPointUnchecked(nil, ctx.Labels, currentTimestamp, value); err != nil {
+		if err := ctx.WriteDataPoint(nil, ctx.Labels, currentTimestamp, value); err != nil {
 			logger.Errorf("cannot store aggregate series: %s", err)
 			// Do not continue pushing the remaining samples, since it is likely they will return the same error.
 			return

app/vminsert/csvimport/request_handler.go

@@ -46,7 +46,10 @@ func insertRows(rows []parser.Row, extraLabels []prompbmarshal.Label) error {
 			label := &extraLabels[j]
 			ctx.AddLabel(label.Name, label.Value)
 		}
-		if err := ctx.WriteDataPoint(nil, hasRelabeling, ctx.Labels, r.Timestamp, r.Value); err != nil {
+		if !ctx.TryPrepareLabels(hasRelabeling) {
+			continue
+		}
+		if err := ctx.WriteDataPoint(nil, ctx.Labels, r.Timestamp, r.Value); err != nil {
 			return err
 		}
 	}

app/vminsert/graphite/request_handler.go

@@ -36,7 +36,10 @@ func insertRows(rows []parser.Row) error {
 			tag := &r.Tags[j]
 			ctx.AddLabel(tag.Key, tag.Value)
 		}
-		if err := ctx.WriteDataPoint(nil, hasRelabeling, ctx.Labels, r.Timestamp, r.Value); err != nil {
+		if !ctx.TryPrepareLabels(hasRelabeling) {
+			continue
+		}
+		if err := ctx.WriteDataPoint(nil, ctx.Labels, r.Timestamp, r.Value); err != nil {
 			return err
 		}
 	}

app/vminsert/influx/request_handler.go

@@ -14,6 +14,7 @@ import (
 	parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/influx"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/influx/stream"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeserieslimits"
 	"github.com/VictoriaMetrics/metrics"
 )
 
@@ -69,6 +70,7 @@ func insertRows(db string, rows []parser.Row, extraLabels []prompbmarshal.Label)
 	ic.Reset(rowsLen)
 	rowsTotal := 0
 	hasRelabeling := relabel.HasRelabeling()
+	hasLimitsEnabled := timeserieslimits.Enabled()
 	for i := range rows {
 		r := &rows[i]
 		rowsTotal += len(r.Fields)
@@ -108,12 +110,23 @@ func insertRows(db string, rows []parser.Row, extraLabels []prompbmarshal.Label)
 				metricGroup := bytesutil.ToUnsafeString(ctx.metricGroupBuf)
 				ic.Labels = append(ic.Labels[:0], ctx.originLabels...)
 				ic.AddLabel("", metricGroup)
-				if err := ic.WriteDataPoint(nil, true, ic.Labels, r.Timestamp, f.Value); err != nil {
+				if !ic.TryPrepareLabels(true) {
+					continue
+				}
+				if err := ic.WriteDataPoint(nil, ic.Labels, r.Timestamp, f.Value); err != nil {
 					return err
 				}
 			}
 		} else {
+			// special case for optimisations below
+			// do not call TryPrepareLabels
+			// manually apply sort and limits on demand
 			ic.SortLabelsIfNeeded()
+			if hasLimitsEnabled {
+				if timeserieslimits.IsExceeding(ic.Labels) {
+					continue
+				}
+			}
 			ctx.metricNameBuf = storage.MarshalMetricNameRaw(ctx.metricNameBuf[:0], ic.Labels)
 			labelsLen := len(ic.Labels)
 			for j := range r.Fields {
@@ -124,7 +137,12 @@ func insertRows(db string, rows []parser.Row, extraLabels []prompbmarshal.Label)
 				metricGroup := bytesutil.ToUnsafeString(ctx.metricGroupBuf)
 				ic.Labels = ic.Labels[:labelsLen]
 				ic.AddLabel("", metricGroup)
-				if err := ic.WriteDataPoint(ctx.metricNameBuf, false, ic.Labels[len(ic.Labels)-1:], r.Timestamp, f.Value); err != nil {
+				if hasLimitsEnabled {
+					if timeserieslimits.IsExceeding(ic.Labels[len(ic.Labels)-1:]) {
+						continue
+					}
+				}
+				if err := ic.WriteDataPoint(ctx.metricNameBuf, ic.Labels[len(ic.Labels)-1:], r.Timestamp, f.Value); err != nil {
 					return err
 				}
 			}

app/vminsert/native/request_handler.go

@@ -68,7 +68,7 @@ func insertRows(block *stream.Block, extraLabels []prompbmarshal.Label) error {
 		timestamp := timestamps[j]
 		// TODO: @f41gh7 looks like it's better to use WriteDataPointExt
 		// since metricName never changes inside insertRows call
-		if err := ic.WriteDataPointUnchecked(ctx.metricNameBuf, ic.Labels, timestamp, value); err != nil {
+		if err := ic.WriteDataPoint(ctx.metricNameBuf, ic.Labels, timestamp, value); err != nil {
 			return err
 		}
 	}

app/vminsert/newrelic/request_handler.go

@@ -58,7 +58,10 @@ func insertRows(rows []newrelic.Row, extraLabels []prompbmarshal.Label) error {
 				label := &extraLabels[k]
 				ctx.AddLabel(label.Name, label.Value)
 			}
-			if err := ctx.WriteDataPoint(nil, hasRelabeling, ctx.Labels, r.Timestamp, s.Value); err != nil {
+			if !ctx.TryPrepareLabels(hasRelabeling) {
+				continue
+			}
+			if err := ctx.WriteDataPoint(nil, ctx.Labels, r.Timestamp, s.Value); err != nil {
 				return err
 			}
 		}

app/vminsert/opentsdb/request_handler.go

@@ -36,7 +36,10 @@ func insertRows(rows []parser.Row) error {
 			tag := &r.Tags[j]
 			ctx.AddLabel(tag.Key, tag.Value)
 		}
-		if err := ctx.WriteDataPoint(nil, hasRelabeling, ctx.Labels, r.Timestamp, r.Value); err != nil {
+		if !ctx.TryPrepareLabels(hasRelabeling) {
+			continue
+		}
+		if err := ctx.WriteDataPoint(nil, ctx.Labels, r.Timestamp, r.Value); err != nil {
 			return err
 		}
 	}

app/vminsert/opentsdbhttp/request_handler.go

@@ -54,7 +54,10 @@ func insertRows(rows []parser.Row, extraLabels []prompbmarshal.Label) error {
 			label := &extraLabels[j]
 			ctx.AddLabel(label.Name, label.Value)
 		}
-		if err := ctx.WriteDataPoint(nil, hasRelabeling, ctx.Labels, r.Timestamp, r.Value); err != nil {
+		if !ctx.TryPrepareLabels(hasRelabeling) {
+			continue
+		}
+		if err := ctx.WriteDataPoint(nil, ctx.Labels, r.Timestamp, r.Value); err != nil {
 			return err
 		}
 	}

app/vminsert/prometheusimport/request_handler.go

@@ -54,7 +54,10 @@ func insertRows(rows []parser.Row, extraLabels []prompbmarshal.Label) error {
 			label := &extraLabels[j]
 			ctx.AddLabel(label.Name, label.Value)
 		}
-		if err := ctx.WriteDataPoint(nil, hasRelabeling, ctx.Labels, r.Timestamp, r.Value); err != nil {
+		if !ctx.TryPrepareLabels(hasRelabeling) {
+			continue
+		}
+		if err := ctx.WriteDataPoint(nil, ctx.Labels, r.Timestamp, r.Value); err != nil {
 			return err
 		}
 	}

app/vminsert/vmimport/request_handler.go

@@ -69,7 +69,7 @@ func insertRows(rows []parser.Row, extraLabels []prompbmarshal.Label) error {
 		}
 		for j, value := range values {
 			timestamp := timestamps[j]
-			if err := ic.WriteDataPointUnchecked(ctx.metricNameBuf, nil, timestamp, value); err != nil {
+			if err := ic.WriteDataPoint(ctx.metricNameBuf, nil, timestamp, value); err != nil {
 				return err
 			}
 		}

app/vmselect/graphite/aggr.go

@@ -98,13 +98,13 @@ func aggrMin(values []float64) float64 {
 	if pos < 0 {
 		return nan
 	}
-	min := values[pos]
+	minV := values[pos]
 	for _, v := range values[pos+1:] {
-		if !math.IsNaN(v) && v < min {
-			min = v
+		if !math.IsNaN(v) && v < minV {
+			minV = v
 		}
 	}
-	return min
+	return minV
 }
 
 func aggrMax(values []float64) float64 {
@@ -112,13 +112,13 @@ func aggrMax(values []float64) float64 {
 	if pos < 0 {
 		return nan
 	}
-	max := values[pos]
+	maxV := values[pos]
 	for _, v := range values[pos+1:] {
-		if !math.IsNaN(v) && v > max {
-			max = v
+		if !math.IsNaN(v) && v > maxV {
+			maxV = v
 		}
 	}
-	return max
+	return maxV
 }
 
 func aggrDiff(values []float64) float64 {
@@ -177,12 +177,12 @@ func aggrCount(values []float64) float64 {
 }
 
 func aggrRange(values []float64) float64 {
-	min := aggrMin(values)
-	if math.IsNaN(min) {
+	minV := aggrMin(values)
+	if math.IsNaN(minV) {
 		return nan
 	}
-	max := aggrMax(values)
-	return max - min
+	maxV := aggrMax(values)
+	return maxV - minV
 }
 
 func aggrMultiply(values []float64) float64 {

app/vmselect/graphite/transform.go

@@ -2594,17 +2594,17 @@ func transformMinMax(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFunc, e
 	}
 	f := nextSeriesConcurrentWrapper(nextSeries, func(s *series) (*series, error) {
 		values := s.Values
-		min := aggrMin(values)
-		if math.IsNaN(min) {
-			min = 0
+		minV := aggrMin(values)
+		if math.IsNaN(minV) {
+			minV = 0
 		}
-		max := aggrMax(values)
-		if math.IsNaN(max) {
-			max = 0
+		maxV := aggrMax(values)
+		if math.IsNaN(maxV) {
+			maxV = 0
 		}
-		vRange := max - min
+		vRange := maxV - minV
 		for i, v := range values {
-			v = (v - min) / vRange
+			v = (v - minV) / vRange
 			if math.IsInf(v, 0) {
 				v = 0
 			}
@@ -2975,9 +2975,9 @@ func transformRemoveAbovePercentile(ec *evalConfig, fe *graphiteql.FuncExpr) (ne
 	}
 	f := nextSeriesConcurrentWrapper(nextSeries, func(s *series) (*series, error) {
 		values := s.Values
-		max := aggrFunc(values)
+		maxV := aggrFunc(values)
 		for i, v := range values {
-			if v > max {
+			if v > maxV {
 				values[i] = nan
 			}
 		}
@@ -3035,9 +3035,9 @@ func transformRemoveBelowPercentile(ec *evalConfig, fe *graphiteql.FuncExpr) (ne
 	}
 	f := nextSeriesConcurrentWrapper(nextSeries, func(s *series) (*series, error) {
 		values := s.Values
-		min := aggrFunc(values)
+		minV := aggrFunc(values)
 		for i, v := range values {
-			if v < min {
+			if v < minV {
 				values[i] = nan
 			}
 		}
@@ -4514,11 +4514,11 @@ func transformOffsetToZero(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesF
 	}
 	f := nextSeriesConcurrentWrapper(nextSeries, func(s *series) (*series, error) {
 		values := s.Values
-		min := aggrMin(values)
+		minV := aggrMin(values)
 		for i, v := range values {
-			values[i] = v - min
+			values[i] = v - minV
 		}
-		s.Tags["offsetToZero"] = fmt.Sprintf("%g", min)
+		s.Tags["offsetToZero"] = fmt.Sprintf("%g", minV)
 		s.Name = fmt.Sprintf("offsetToZero(%s)", s.Name)
 		s.expr = fe
 		s.pathExpression = s.Name
@@ -4567,29 +4567,29 @@ func transformPerSecond(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesFunc
 	return f, nil
 }
 
-func nonNegativeDelta(curr, prev, max, min float64) (float64, float64) {
-	if !math.IsNaN(max) && curr > max {
+func nonNegativeDelta(currV, prevV, maxV, minV float64) (float64, float64) {
+	if !math.IsNaN(maxV) && currV > maxV {
 		return nan, nan
 	}
-	if !math.IsNaN(min) && curr < min {
+	if !math.IsNaN(minV) && currV < minV {
 		return nan, nan
 	}
-	if math.IsNaN(curr) || math.IsNaN(prev) {
-		return nan, curr
+	if math.IsNaN(currV) || math.IsNaN(prevV) {
+		return nan, currV
 	}
-	if curr >= prev {
-		return curr - prev, curr
+	if currV >= prevV {
+		return currV - prevV, currV
 	}
-	if !math.IsNaN(max) {
-		if math.IsNaN(min) {
-			min = float64(0)
+	if !math.IsNaN(maxV) {
+		if math.IsNaN(minV) {
+			minV = float64(0)
 		}
-		return max + 1 + curr - prev - min, curr
+		return maxV + 1 + currV - prevV - minV, currV
 	}
-	if !math.IsNaN(min) {
-		return curr - min, curr
+	if !math.IsNaN(minV) {
+		return currV - minV, currV
 	}
-	return nan, curr
+	return nan, currV
 }
 
 // See https://graphite.readthedocs.io/en/stable/functions.html#graphite.render.functions.threshold
@@ -4941,8 +4941,8 @@ func transformSortByMinima(ec *evalConfig, fe *graphiteql.FuncExpr) (nextSeriesF
 	}
 	// Filter out series with all the values smaller than 0
 	f := nextSeriesConcurrentWrapper(nextSeries, func(s *series) (*series, error) {
-		max := aggrMax(s.Values)
-		if math.IsNaN(max) || max <= 0 {
+		maxV := aggrMax(s.Values)
+		if math.IsNaN(maxV) || maxV <= 0 {
 			return nil, nil
 		}
 		return s, nil

app/vmselect/promql/aggr.go

@@ -295,13 +295,13 @@ func aggrFuncMin(tss []*timeseries) []*timeseries {
 	}
 	dst := tss[0]
 	for i := range dst.Values {
-		min := dst.Values[i]
+		minV := dst.Values[i]
 		for _, ts := range tss {
-			if math.IsNaN(min) || ts.Values[i] < min {
-				min = ts.Values[i]
+			if math.IsNaN(minV) || ts.Values[i] < minV {
+				minV = ts.Values[i]
 			}
 		}
-		dst.Values[i] = min
+		dst.Values[i] = minV
 	}
 	return tss[:1]
 }
@@ -313,13 +313,13 @@ func aggrFuncMax(tss []*timeseries) []*timeseries {
 	}
 	dst := tss[0]
 	for i := range dst.Values {
-		max := dst.Values[i]
+		maxV := dst.Values[i]
 		for _, ts := range tss {
-			if math.IsNaN(max) || ts.Values[i] > max {
-				max = ts.Values[i]
+			if math.IsNaN(maxV) || ts.Values[i] > maxV {
+				maxV = ts.Values[i]
 			}
 		}
-		dst.Values[i] = max
+		dst.Values[i] = maxV
 	}
 	return tss[:1]
 }
@@ -793,7 +793,7 @@ func fillNaNsAtIdx(idx int, k float64, tss []*timeseries) {
 	}
 }
 
-func getIntK(k float64, max int) int {
+func getIntK(k float64, maxV int) int {
 	if math.IsNaN(k) {
 		return 0
 	}
@@ -801,38 +801,38 @@ func getIntK(k float64, max int) int {
 	if kn < 0 {
 		return 0
 	}
-	if kn > max {
-		return max
+	if kn > maxV {
+		return maxV
 	}
 	return kn
 }
 
 func minValue(values []float64) float64 {
-	min := nan
-	for len(values) > 0 && math.IsNaN(min) {
-		min = values[0]
+	minV := nan
+	for len(values) > 0 && math.IsNaN(minV) {
+		minV = values[0]
 		values = values[1:]
 	}
 	for _, v := range values {
-		if !math.IsNaN(v) && v < min {
-			min = v
+		if !math.IsNaN(v) && v < minV {
+			minV = v
 		}
 	}
-	return min
+	return minV
 }
 
 func maxValue(values []float64) float64 {
-	max := nan
-	for len(values) > 0 && math.IsNaN(max) {
-		max = values[0]
+	maxV := nan
+	for len(values) > 0 && math.IsNaN(maxV) {
+		maxV = values[0]
 		values = values[1:]
 	}
 	for _, v := range values {
-		if !math.IsNaN(v) && v > max {
-			max = v
+		if !math.IsNaN(v) && v > maxV {
+			maxV = v
 		}
 	}
-	return max
+	return maxV
 }
 
 func avgValue(values []float64) float64 {

app/vmselect/promql/eval.go

@@ -46,6 +46,8 @@ var (
 		"so there is no need in spending additional CPU time on its handling. Staleness markers may exist only in data obtained from Prometheus scrape targets")
 	minWindowForInstantRollupOptimization = flag.Duration("search.minWindowForInstantRollupOptimization", time.Hour*3, "Enable cache-based optimization for repeated queries "+
 		"to /api/v1/query (aka instant queries), which contain rollup functions with lookbehind window exceeding the given value")
+	maxBinaryOpPushdownLabelValues = flag.Int("search.maxBinaryOpPushdownLabelValues", 100, "The maximum number of values for a label in the first expression that can be extracted as a common label filter and pushed down to the second expression in a binary operation. "+
+		"A larger value makes the pushed-down filter more complex but fewer time series will be returned. This flag is useful when selective label contains numerous values, for example `instance`, and storage resources are abundant.")
 )
 
 // The minimum number of points per timeseries for enabling time rounding.
@@ -582,7 +584,7 @@ func getCommonLabelFilters(tss []*timeseries) []metricsql.LabelFilter {
 				}
 				continue
 			}
-			if len(vc.values) > 100 {
+			if len(vc.values) > *maxBinaryOpPushdownLabelValues {
 				// Too many unique values found for the given tag.
 				// Do not make a filter on such values, since it may slow down
 				// search for matching time series.

app/vmselect/promql/exec.go

@@ -6,8 +6,6 @@ import (
 	"math"
 	"sort"
 	"strings"
-	"sync"
-	"sync/atomic"
 	"time"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/netstorage"
@@ -16,7 +14,6 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/querytracer"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
-	"github.com/VictoriaMetrics/metrics"
 	"github.com/VictoriaMetrics/metricsql"
 )
 
@@ -270,7 +267,7 @@ func getReverseCmpOp(op string) string {
 }
 
 func parsePromQLWithCache(q string) (metricsql.Expr, error) {
-	pcv := parseCacheV.Get(q)
+	pcv := parseCacheV.get(q)
 	if pcv == nil {
 		e, err := metricsql.Parse(q)
 		if err == nil {
@@ -284,7 +281,7 @@ func parsePromQLWithCache(q string) (metricsql.Expr, error) {
 			e:   e,
 			err: err,
 		}
-		parseCacheV.Put(q, pcv)
+		parseCacheV.put(q, pcv)
 	}
 	if pcv.err != nil {
 		return nil, pcv.err
@@ -328,80 +325,3 @@ func escapeDots(s string) string {
 	}
 	return string(result)
 }
-
-var parseCacheV = func() *parseCache {
-	pc := &parseCache{
-		m: make(map[string]*parseCacheValue),
-	}
-	metrics.NewGauge(`vm_cache_requests_total{type="promql/parse"}`, func() float64 {
-		return float64(pc.Requests())
-	})
-	metrics.NewGauge(`vm_cache_misses_total{type="promql/parse"}`, func() float64 {
-		return float64(pc.Misses())
-	})
-	metrics.NewGauge(`vm_cache_entries{type="promql/parse"}`, func() float64 {
-		return float64(pc.Len())
-	})
-	return pc
-}()
-
-const parseCacheMaxLen = 10e3
-
-type parseCacheValue struct {
-	e   metricsql.Expr
-	err error
-}
-
-type parseCache struct {
-	requests atomic.Uint64
-	misses   atomic.Uint64
-
-	m  map[string]*parseCacheValue
-	mu sync.RWMutex
-}
-
-func (pc *parseCache) Requests() uint64 {
-	return pc.requests.Load()
-}
-
-func (pc *parseCache) Misses() uint64 {
-	return pc.misses.Load()
-}
-
-func (pc *parseCache) Len() uint64 {
-	pc.mu.RLock()
-	n := len(pc.m)
-	pc.mu.RUnlock()
-	return uint64(n)
-}
-
-func (pc *parseCache) Get(q string) *parseCacheValue {
-	pc.requests.Add(1)
-
-	pc.mu.RLock()
-	pcv := pc.m[q]
-	pc.mu.RUnlock()
-
-	if pcv == nil {
-		pc.misses.Add(1)
-	}
-	return pcv
-}
-
-func (pc *parseCache) Put(q string, pcv *parseCacheValue) {
-	pc.mu.Lock()
-	overflow := len(pc.m) - parseCacheMaxLen
-	if overflow > 0 {
-		// Remove 10% of items from the cache.
-		overflow = int(float64(len(pc.m)) * 0.1)
-		for k := range pc.m {
-			delete(pc.m, k)
-			overflow--
-			if overflow <= 0 {
-				break
-			}
-		}
-	}
-	pc.m[q] = pcv
-	pc.mu.Unlock()
-}

app/vmselect/promql/parse_cache.go

@@ -0,0 +1,142 @@
+// Cache for metricsql expressions
+// Based on the fastcache idea of locking buckets in order to avoid whole cache locks.
+// See: https://github.com/VictoriaMetrics/fastcache
+package promql
+
+import (
+	"sync"
+	"sync/atomic"
+
+	"github.com/VictoriaMetrics/metrics"
+	"github.com/VictoriaMetrics/metricsql"
+
+	xxhash "github.com/cespare/xxhash/v2"
+)
+
+var parseCacheV = func() *parseCache {
+	pc := newParseCache()
+	metrics.NewGauge(`vm_cache_requests_total{type="promql/parse"}`, func() float64 {
+		return float64(pc.requests())
+	})
+	metrics.NewGauge(`vm_cache_misses_total{type="promql/parse"}`, func() float64 {
+		return float64(pc.misses())
+	})
+	metrics.NewGauge(`vm_cache_entries{type="promql/parse"}`, func() float64 {
+		return float64(pc.len())
+	})
+	return pc
+}()
+
+const (
+	parseBucketCount = 128
+
+	parseCacheMaxLen int = 10e3
+
+	parseBucketMaxLen int = parseCacheMaxLen / parseBucketCount
+
+	parseBucketFreePercent float64 = 0.1
+)
+
+type parseCacheValue struct {
+	e   metricsql.Expr
+	err error
+}
+
+type parseBucket struct {
+	m        map[string]*parseCacheValue
+	mu       sync.RWMutex
+	requests atomic.Uint64
+	misses   atomic.Uint64
+}
+
+type parseCache struct {
+	buckets [parseBucketCount]parseBucket
+}
+
+func newParseCache() *parseCache {
+	pc := new(parseCache)
+	for i := 0; i < parseBucketCount; i++ {
+		pc.buckets[i] = newParseBucket()
+	}
+	return pc
+}
+
+func (pc *parseCache) put(q string, pcv *parseCacheValue) {
+	h := xxhash.Sum64String(q)
+	idx := h % parseBucketCount
+	pc.buckets[idx].put(q, pcv)
+}
+
+func (pc *parseCache) get(q string) *parseCacheValue {
+	h := xxhash.Sum64String(q)
+	idx := h % parseBucketCount
+	return pc.buckets[idx].get(q)
+}
+
+func (pc *parseCache) requests() uint64 {
+	var n uint64
+	for i := 0; i < parseBucketCount; i++ {
+		n += pc.buckets[i].requests.Load()
+	}
+	return n
+}
+
+func (pc *parseCache) misses() uint64 {
+	var n uint64
+	for i := 0; i < parseBucketCount; i++ {
+		n += pc.buckets[i].misses.Load()
+	}
+	return n
+}
+
+func (pc *parseCache) len() uint64 {
+	var n uint64
+	for i := 0; i < parseBucketCount; i++ {
+		n += pc.buckets[i].len()
+	}
+	return n
+}
+
+func newParseBucket() parseBucket {
+	return parseBucket{
+		m: make(map[string]*parseCacheValue, parseBucketMaxLen),
+	}
+}
+
+func (pb *parseBucket) len() uint64 {
+	pb.mu.RLock()
+	n := len(pb.m)
+	pb.mu.RUnlock()
+	return uint64(n)
+}
+
+func (pb *parseBucket) get(q string) *parseCacheValue {
+	pb.requests.Add(1)
+
+	pb.mu.RLock()
+	pcv := pb.m[q]
+	pb.mu.RUnlock()
+
+	if pcv == nil {
+		pb.misses.Add(1)
+	}
+	return pcv
+}
+
+func (pb *parseBucket) put(q string, pcv *parseCacheValue) {
+	pb.mu.Lock()
+	overflow := len(pb.m) - parseBucketMaxLen
+	if overflow > 0 {
+		// Remove parseBucketDeletePercent*100 % of items from the bucket.
+		overflow = int(float64(len(pb.m)) * parseBucketFreePercent)
+		for k := range pb.m {
+			delete(pb.m, k)
+			overflow--
+			if overflow <= 0 {
+				break
+			}
+		}
+	}
+	pb.m[q] = pcv
+	pb.mu.Unlock()
+}

app/vmselect/promql/parse_cache_test.go

@@ -0,0 +1,129 @@
+package promql
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/VictoriaMetrics/metricsql"
+)
+
+func testGetParseCacheValue(q string) *parseCacheValue {
+	e, err := metricsql.Parse(q)
+	return &parseCacheValue{
+		e:   e,
+		err: err,
+	}
+}
+
+func testGenerateQueries(items int) []string {
+	queries := make([]string, items)
+	for i := 0; i < items; i++ {
+		queries[i] = fmt.Sprintf(`node_time_seconds{instance="node%d", job="job%d"}`, i, i)
+	}
+	return queries
+}
+
+func TestParseCache(t *testing.T) {
+	pc := newParseCache()
+	if pc.len() != 0 || pc.misses() != 0 || pc.requests() != 0 {
+		t.Errorf("unexpected pc.Len()=%d, pc.Misses()=%d, pc.Requests()=%d; expected all to be zero.", pc.len(), pc.misses(), pc.requests())
+	}
+
+	q1 := `foo{bar="baz"}`
+	v1 := testGetParseCacheValue(q1)
+
+	q2 := `foo1{bar1="baz1"}`
+	v2 := testGetParseCacheValue(q2)
+
+	pc.put(q1, v1)
+	if pc.len() != 1 {
+		t.Errorf("unexpected value obtained; got %d; want %d", pc.len(), 1)
+	}
+
+	if res := pc.get(q2); res != nil {
+		t.Errorf("unexpected non-empty value obtained from cache: %d ", res)
+	}
+	if pc.len() != 1 {
+		t.Errorf("unexpected value obtained; got %d; want %d", pc.len(), 1)
+	}
+	if miss := pc.misses(); miss != 1 {
+		t.Errorf("unexpected value obtained; got %d; want %d", miss, 1)
+	}
+	if req := pc.requests(); req != 1 {
+		t.Errorf("unexpected value obtained; got %d; want %d", req, 1)
+	}
+
+	pc.put(q2, v2)
+	if pc.len() != 2 {
+		t.Errorf("unexpected value obtained; got %d; want %d", pc.len(), 2)
+	}
+
+	if res := pc.get(q1); res != v1 {
+		t.Errorf("unexpected value obtained; got %v; want %v", res, v1)
+	}
+
+	if res := pc.get(q2); res != v2 {
+		t.Errorf("unexpected value obtained; got %v; want %v", res, v2)
+	}
+
+	pc.put(q2, v2)
+	if pc.len() != 2 {
+		t.Errorf("unexpected value obtained; got %d; want %d", pc.len(), 2)
+	}
+	if miss := pc.misses(); miss != 1 {
+		t.Errorf("unexpected value obtained; got %d; want %d", miss, 1)
+	}
+	if req := pc.requests(); req != 3 {
+		t.Errorf("unexpected value obtained; got %d; want %d", req, 3)
+	}
+
+	if res := pc.get(q2); res != v2 {
+		t.Errorf("unexpected value obtained; got %v; want %v", res, v2)
+	}
+	if pc.len() != 2 {
+		t.Errorf("unexpected value obtained; got %d; want %d", pc.len(), 2)
+	}
+	if miss := pc.misses(); miss != 1 {
+		t.Errorf("unexpected value obtained; got %d; want %d", miss, 1)
+	}
+	if req := pc.requests(); req != 4 {
+		t.Errorf("unexpected value obtained; got %d; want %d", req, 4)
+	}
+}
+
+func TestParseCacheBucketOverflow(t *testing.T) {
+	b := newParseBucket()
+	var expectedLen uint64
+
+	// +2 for overflow and clean up
+	queries := testGenerateQueries(parseBucketMaxLen + 2)
+
+	// Same value for all keys
+	v := testGetParseCacheValue(queries[0])
+
+	// Fill bucket
+	for i := 0; i < parseBucketMaxLen; i++ {
+		b.put(queries[i], v)
+	}
+	expectedLen = uint64(parseBucketMaxLen)
+	if b.len() != expectedLen {
+		t.Errorf("unexpected value obtained; got %v; want %v", b.len(), expectedLen)
+	}
+
+	// Overflow bucket
+	expectedLen = uint64(parseBucketMaxLen + 1)
+	b.put(queries[parseBucketMaxLen], v)
+	if b.len() != uint64(expectedLen) {
+		t.Errorf("unexpected value obtained; got %v; want %v", b.len(), expectedLen)
+	}
+
+	// Clean up;
+	oldLen := b.len()
+	overflow := int(float64(oldLen) * parseBucketFreePercent)
+	expectedLen = oldLen - uint64(overflow) + 1 // +1 for new entry
+
+	b.put(queries[parseBucketMaxLen+1], v)
+	if b.len() != expectedLen {
+		t.Errorf("unexpected value obtained; got %v; want %v", b.len(), expectedLen)
+	}
+}

app/vmselect/promql/parse_cache_timing_test.go

@@ -0,0 +1,235 @@
+package promql
+
+import (
+	"testing"
+)
+
+func BenchmarkCachePutNoOverFlow(b *testing.B) {
+	const items int = (parseCacheMaxLen / 2)
+	pc := newParseCache()
+
+	queries := testGenerateQueries(items)
+	v := testGetParseCacheValue(queries[0])
+
+	b.ResetTimer()
+	b.ReportAllocs()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			for i := 0; i < items; i++ {
+				pc.put(queries[i], v)
+			}
+		}
+	})
+	if pc.len() != uint64(items) {
+		b.Errorf("unexpected value obtained; got %d; want %d", pc.len(), items)
+	}
+}
+
+func BenchmarkCacheGetNoOverflow(b *testing.B) {
+	const items int = parseCacheMaxLen / 2
+	pc := newParseCache()
+
+	queries := testGenerateQueries(items)
+	v := testGetParseCacheValue(queries[0])
+
+	for i := 0; i < len(queries); i++ {
+		pc.put(queries[i], v)
+	}
+	b.ResetTimer()
+	b.ReportAllocs()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			for i := 0; i < items; i++ {
+				if v := pc.get(queries[i]); v == nil {
+					b.Errorf("unexpected nil value obtained from cache for query: %s ", queries[i])
+				}
+			}
+		}
+	})
+}
+
+func BenchmarkCachePutGetNoOverflow(b *testing.B) {
+	const items int = parseCacheMaxLen / 2
+	pc := newParseCache()
+
+	queries := testGenerateQueries(items)
+	v := testGetParseCacheValue(queries[0])
+
+	b.ResetTimer()
+	b.ReportAllocs()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			for i := 0; i < items; i++ {
+				pc.put(queries[i], v)
+				if res := pc.get(queries[i]); res == nil {
+					b.Errorf("unexpected nil value obtained from cache for query: %s ", queries[i])
+				}
+			}
+		}
+	})
+	if pc.len() != uint64(items) {
+		b.Errorf("unexpected value obtained; got %d; want %d", pc.len(), items)
+	}
+}
+
+func BenchmarkCachePutOverflow(b *testing.B) {
+	const items int = parseCacheMaxLen + (parseCacheMaxLen / 2)
+	c := newParseCache()
+
+	queries := testGenerateQueries(items)
+	v := testGetParseCacheValue(queries[0])
+
+	for i := 0; i < parseCacheMaxLen; i++ {
+		c.put(queries[i], v)
+	}
+
+	b.ReportAllocs()
+	b.ResetTimer()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			for i := parseCacheMaxLen; i < items; i++ {
+				c.put(queries[i], v)
+			}
+		}
+	})
+	maxElemnts := uint64(parseCacheMaxLen + parseBucketCount)
+	if c.len() > maxElemnts {
+		b.Errorf("cache length is more than expected; got %d, expected %d", c.len(), maxElemnts)
+	}
+}
+
+func BenchmarkCachePutGetOverflow(b *testing.B) {
+	const items int = parseCacheMaxLen + (parseCacheMaxLen / 2)
+	c := newParseCache()
+
+	queries := testGenerateQueries(items)
+	v := testGetParseCacheValue(queries[0])
+
+	for i := 0; i < parseCacheMaxLen; i++ {
+		c.put(queries[i], v)
+	}
+
+	b.ReportAllocs()
+	b.ResetTimer()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			for i := parseCacheMaxLen; i < items; i++ {
+				c.put(queries[i], v)
+				c.get(queries[i])
+			}
+		}
+	})
+	maxElemnts := uint64(parseCacheMaxLen + parseBucketCount)
+	if c.len() > maxElemnts {
+		b.Errorf("cache length is more than expected; got %d, expected %d", c.len(), maxElemnts)
+	}
+}
+
+var testSimpleQueries = []string{
+	`m{a="b"}`,
+	`{a="b"}`,
+	`m{c="d",a="b"}`,
+	`{a="b",c="d"}`,
+	`m1{a="foo"}`,
+	`m2{a="bar"}`,
+	`m1{b="foo"}`,
+	`m2{b="bar"}`,
+	`m1{a="foo",b="bar"}`,
+	`m2{b="bar",c="x"}`,
+	`{b="bar"}`,
+}
+
+func BenchmarkParsePromQLWithCacheSimple(b *testing.B) {
+	b.ReportAllocs()
+	for i := 0; i < b.N; i++ {
+		for j := 0; j < len(testSimpleQueries); j++ {
+			_, err := parsePromQLWithCache(testSimpleQueries[j])
+			if err != nil {
+				b.Errorf("unexpected error: %s", err)
+			}
+		}
+	}
+}
+
+func BenchmarkParsePromQLWithCacheSimpleParallel(b *testing.B) {
+	b.ReportAllocs()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			for i := 0; i < len(testSimpleQueries); i++ {
+				_, err := parsePromQLWithCache(testSimpleQueries[i])
+				if err != nil {
+					b.Errorf("unexpected error: %s", err)
+				}
+			}
+		}
+	})
+}
+
+var testComplexQueries = []string{
+	`sort_desc(label_set(2, "foo", "bar") * ignoring(a) (label_set(time(), "foo", "bar") or label_set(10, "foo", "qwert")))`,
+	`sum(a.b{c="d.e",x=~"a.b.+[.a]",y!~"aaa.bb|cc.dd"}) + avg_over_time(1,sum({x=~"aa.bb"}))`,
+	`sort((label_set(time() offset 100s, "foo", "bar"), label_set(time()+10, "foo", "baz") offset 50s) offset 400s)`,
+	`sort(label_map((
+			label_set(time(), "label", "v1"),
+			label_set(time()+100, "label", "v2"),
+			label_set(time()+200, "label", "v3"),
+			label_set(time()+300, "x", "y"),
+			label_set(time()+400, "label", "v4"),
+		), "label", "v1", "foo", "v2", "bar", "", "qwe", "v4", ""))`,
+	`sort(labels_equal((
+			label_set(10, "instance", "qwe", "host", "rty"),
+			label_set(20, "instance", "qwe", "host", "qwe"),
+			label_set(30, "aaa", "bbb", "instance", "foo", "host", "foo"),
+		), "instance", "host"))`,
+	`with (
+			x = (
+				label_set(time() > 1500, "foo", "123.456", "__name__", "aaa"),
+				label_set(-time(), "foo", "bar", "__name__", "bbb"),
+				label_set(-time(), "__name__", "bxs"),
+				label_set(-time(), "foo", "45", "bar", "xs"),
+			)
+		)
+		sort(x + label_value(x, "foo"))`,
+	`label_replace(
+			label_replace(
+				label_replace(time(), "__name__", "x${1}y", "foo", ".*"),
+				"xxx", "foo${1}bar(${1})", "__name__", "(.+)"),
+			"xxx", "AA$1", "xxx", "foox(.+)"
+		)`,
+	`sort_desc(union(
+			label_set(time() > 1400, "__name__", "x", "foo", "bar"),
+			label_set(time() < 1700, "__name__", "y", "foo", "baz")) default 123)`,
+	`sort(histogram_quantile(0.6,
+			label_set(90, "foo", "bar", "le", "10")
+			or label_set(100, "foo", "bar", "le", "30")
+			or label_set(300, "foo", "bar", "le", "+Inf")
+			or label_set(200, "tag", "xx", "le", "10")
+			or label_set(300, "tag", "xx", "le", "30")
+		))`,
+}
+
+func BenchmarkParsePromQLWithCacheComplex(b *testing.B) {
+	b.ReportAllocs()
+	for i := 0; i < b.N; i++ {
+		for j := 0; j < len(testComplexQueries); j++ {
+			_, err := parsePromQLWithCache(testComplexQueries[j])
+			if err != nil {
+				b.Errorf("unexpected error: %s", err)
+			}
+		}
+	}
+}
+
+func BenchmarkParsePromQLWithCacheComplexParallel(b *testing.B) {
+	b.ReportAllocs()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			for i := 0; i < len(testComplexQueries); i++ {
+				_, err := parsePromQLWithCache(testComplexQueries[i])
+				if err != nil {
+					b.Errorf("unexpected error: %s", err)
+				}
+			}
+		}
+	})
+}

app/vmselect/promql/rollup.go

@@ -520,7 +520,8 @@ type rollupFuncArg struct {
 	// Timestamps for values.
 	timestamps []int64
 
-	// Real value preceding values without restrictions on staleness interval.
+	// Real value preceding values.
+	// Is populated if preceding value is within the staleness interval.
 	realPrevValue float64
 
 	// Real value which goes after values.
@@ -699,8 +700,13 @@ func (rc *rollupConfig) doInternal(dstValues []float64, tsm *timeseriesMap, valu
 	// Extend dstValues in order to remove mallocs below.
 	dstValues = decimal.ExtendFloat64sCapacity(dstValues, len(rc.Timestamps))
 
-	scrapeInterval := getScrapeInterval(timestamps, rc.Step)
-	maxPrevInterval := getMaxPrevInterval(scrapeInterval)
+	// Use step as the scrape interval for instant queries (when start == end).
+	maxPrevInterval := rc.Step
+	if rc.Start < rc.End {
+		scrapeInterval := getScrapeInterval(timestamps, rc.Step)
+		maxPrevInterval = getMaxPrevInterval(scrapeInterval)
+	}
+
 	if rc.LookbackDelta > 0 && maxPrevInterval > rc.LookbackDelta {
 		maxPrevInterval = rc.LookbackDelta
 	}
@@ -759,10 +765,12 @@ func (rc *rollupConfig) doInternal(dstValues []float64, tsm *timeseriesMap, valu
 		}
 		rfa.values = values[i:j]
 		rfa.timestamps = timestamps[i:j]
+		rfa.realPrevValue = nan
 		if i > 0 {
-			rfa.realPrevValue = values[i-1]
-		} else {
-			rfa.realPrevValue = nan
+			prevValue, prevTimestamp := values[i-1], timestamps[i-1]
+			if (tEnd - prevTimestamp) < maxPrevInterval {
+				rfa.realPrevValue = prevValue
+			}
 		}
 		if j < len(values) {
 			rfa.realNextValue = values[j]
@@ -1677,9 +1685,9 @@ func rollupRateOverSum(rfa *rollupFuncArg) float64 {
 }
 
 func rollupRange(rfa *rollupFuncArg) float64 {
-	max := rollupMax(rfa)
-	min := rollupMin(rfa)
-	return max - min
+	maxV := rollupMax(rfa)
+	minV := rollupMin(rfa)
+	return maxV - minV
 }
 
 func rollupSum2(rfa *rollupFuncArg) float64 {
@@ -2187,38 +2195,38 @@ func rollupClose(rfa *rollupFuncArg) float64 {
 
 func rollupHigh(rfa *rollupFuncArg) float64 {
 	values := getCandlestickValues(rfa)
-	max := getFirstValueForCandlestick(rfa)
-	if math.IsNaN(max) {
+	maxV := getFirstValueForCandlestick(rfa)
+	if math.IsNaN(maxV) {
 		if len(values) == 0 {
 			return nan
 		}
-		max = values[0]
+		maxV = values[0]
 		values = values[1:]
 	}
 	for _, v := range values {
-		if v > max {
-			max = v
+		if v > maxV {
+			maxV = v
 		}
 	}
-	return max
+	return maxV
 }
 
 func rollupLow(rfa *rollupFuncArg) float64 {
 	values := getCandlestickValues(rfa)
-	min := getFirstValueForCandlestick(rfa)
-	if math.IsNaN(min) {
+	minV := getFirstValueForCandlestick(rfa)
+	if math.IsNaN(minV) {
 		if len(values) == 0 {
 			return nan
 		}
-		min = values[0]
+		minV = values[0]
 		values = values[1:]
 	}
 	for _, v := range values {
-		if v < min {
-			min = v
+		if v < minV {
+			minV = v
 		}
 	}
-	return min
+	return minV
 }
 
 func rollupModeOverTime(rfa *rollupFuncArg) float64 {

app/vmselect/promql/rollup_test.go

@@ -5,6 +5,8 @@ import (
 	"testing"
 
 	"github.com/VictoriaMetrics/metricsql"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/decimal"
 )
 
 var (
@@ -1587,3 +1589,70 @@ func TestRollupDelta(t *testing.T) {
 	f(1, nan, nan, nil, 0)
 	f(100, nan, nan, nil, 0)
 }
+
+func TestRollupIncreaseWithStaleness(t *testing.T) {
+	// there is a gap between samples in the dataset below
+	timestamps := []int64{0, 15000, 30000, 70000}
+	values := []float64{1, 1, 1, 1}
+
+	t.Run("step > gap", func(t *testing.T) {
+		rc := rollupConfig{
+			Func:               rollupDelta,
+			Start:              0,
+			End:                70000,
+			Step:               35000,
+			Window:             0,
+			MaxPointsPerSeries: 1e4,
+		}
+		rc.Timestamps = rc.getTimestamps()
+		gotValues, samplesScanned := rc.Do(nil, values, timestamps)
+		if samplesScanned != 8 {
+			t.Fatalf("expecting 8 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
+		}
+		valuesExpected := []float64{1, 0, 0}
+		timestampsExpected := []int64{0, 35e3, 70e3}
+		testRowsEqual(t, gotValues, rc.Timestamps, valuesExpected, timestampsExpected)
+	})
+
+	t.Run("step < gap", func(t *testing.T) {
+		rc := rollupConfig{
+			Func:               rollupDelta,
+			Start:              0,
+			End:                70000,
+			Step:               10000,
+			Window:             0,
+			MaxPointsPerSeries: 1e4,
+		}
+		rc.Timestamps = rc.getTimestamps()
+		gotValues, samplesScanned := rc.Do(nil, values, timestamps)
+		if samplesScanned != 8 {
+			t.Fatalf("expecting 8 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
+		}
+		valuesExpected := []float64{1, 0, 0, 0, 0, 0, 0, 1}
+		timestampsExpected := []int64{0, 10e3, 20e3, 30e3, 40e3, 50e3, 60e3, 70e3}
+		testRowsEqual(t, gotValues, rc.Timestamps, valuesExpected, timestampsExpected)
+	})
+
+	// there is a staleness marker between samples in the dataset below
+	timestamps = []int64{0, 10000, 20000, 30000, 40000}
+	values = []float64{1, 1, 1, decimal.StaleNaN, 1}
+
+	t.Run("staleness marker", func(t *testing.T) {
+		rc := rollupConfig{
+			Func:               rollupDelta,
+			Start:              0,
+			End:                40000,
+			Step:               10000,
+			Window:             0,
+			MaxPointsPerSeries: 1e4,
+		}
+		rc.Timestamps = rc.getTimestamps()
+		gotValues, samplesScanned := rc.Do(nil, values, timestamps)
+		if samplesScanned != 10 {
+			t.Fatalf("expecting 10 samplesScanned from rollupConfig.Do; got %d", samplesScanned)
+		}
+		valuesExpected := []float64{1, 0, 0, nan, 1}
+		timestampsExpected := []int64{0, 10e3, 20e3, 30e3, 40e3}
+		testRowsEqual(t, gotValues, rc.Timestamps, valuesExpected, timestampsExpected)
+	})
+}

app/vmselect/vmui/asset-manifest.json

@@ -1,13 +1,13 @@
 {
   "files": {
-    "main.css": "./static/css/main.876c56b7.css",
-    "main.js": "./static/js/main.59602c15.js",
+    "main.css": "./static/css/main.63479b72.css",
+    "main.js": "./static/js/main.256ee243.js",
     "static/js/685.f772060c.chunk.js": "./static/js/685.f772060c.chunk.js",
     "static/media/MetricsQL.md": "./static/media/MetricsQL.a00044c91d9781cf8557.md",
     "index.html": "./index.html"
   },
   "entrypoints": [
-    "static/css/main.876c56b7.css",
-    "static/js/main.59602c15.js"
+    "static/css/main.63479b72.css",
+    "static/js/main.256ee243.js"
   ]
 }

app/vmselect/vmui/index.html

@@ -1 +1 @@
-<!doctype html><html lang="en"><head><meta charset="utf-8"/><link rel="icon" href="./favicon.svg"/><link rel="apple-touch-icon" href="./favicon.svg"/><link rel="mask-icon" href="./favicon.svg" color="#000000"><meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=5"/><meta name="theme-color" content="#000000"/><meta name="description" content="Explore and troubleshoot your VictoriaMetrics data"/><link rel="manifest" href="./manifest.json"/><title>vmui</title><script src="./dashboards/index.js" type="module"></script><meta name="twitter:card" content="summary"><meta name="twitter:title" content="UI for VictoriaMetrics"><meta name="twitter:site" content="@https://victoriametrics.com/"><meta name="twitter:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta name="twitter:image" content="./preview.jpg"><meta property="og:type" content="website"><meta property="og:title" content="UI for VictoriaMetrics"><meta property="og:url" content="https://victoriametrics.com/"><meta property="og:description" content="Explore and troubleshoot your VictoriaMetrics data"><script defer="defer" src="./static/js/main.59602c15.js"></script><link href="./static/css/main.876c56b7.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.svg"/><link rel="apple-touch-icon" href="./favicon.svg"/><link rel="mask-icon" href="./favicon.svg" color="#000000"><meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=5"/><meta name="theme-color" content="#000000"/><meta name="description" content="Explore and troubleshoot your VictoriaMetrics data"/><link rel="manifest" href="./manifest.json"/><title>vmui</title><script src="./dashboards/index.js" type="module"></script><meta name="twitter:card" content="summary"><meta name="twitter:title" content="UI for VictoriaMetrics"><meta name="twitter:site" content="@https://victoriametrics.com/"><meta name="twitter:description" content="Explore and troubleshoot your VictoriaMetrics data"><meta name="twitter:image" content="./preview.jpg"><meta property="og:type" content="website"><meta property="og:title" content="UI for VictoriaMetrics"><meta property="og:url" content="https://victoriametrics.com/"><meta property="og:description" content="Explore and troubleshoot your VictoriaMetrics data"><script defer="defer" src="./static/js/main.256ee243.js"></script><link href="./static/css/main.63479b72.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>

app/vmstorage/main.go

@@ -67,6 +67,8 @@ var (
 		"See https://docs.victoriametrics.com/single-server-victoriametrics/#cache-tuning")
 	cacheSizeIndexDBDataBlocks = flagutil.NewBytes("storage.cacheSizeIndexDBDataBlocks", 0, "Overrides max size for indexdb/dataBlocks cache. "+
 		"See https://docs.victoriametrics.com/single-server-victoriametrics/#cache-tuning")
+	cacheSizeIndexDBDataBlocksSparse = flagutil.NewBytes("storage.cacheSizeIndexDBDataBlocksSparse", 0, "Overrides max size for indexdb/dataBlocksSparse cache. "+
+		"See https://docs.victoriametrics.com/single-server-victoriametrics/#cache-tuning")
 	cacheSizeIndexDBTagFilters = flagutil.NewBytes("storage.cacheSizeIndexDBTagFilters", 0, "Overrides max size for indexdb/tagFiltersToMetricIDs cache. "+
 		"See https://docs.victoriametrics.com/single-server-victoriametrics/#cache-tuning")
 )
@@ -100,6 +102,7 @@ func Init(resetCacheIfNeeded func(mrs []storage.MetricRow)) {
 	storage.SetTagFiltersCacheSize(cacheSizeIndexDBTagFilters.IntN())
 	mergeset.SetIndexBlocksCacheSize(cacheSizeIndexDBIndexBlocks.IntN())
 	mergeset.SetDataBlocksCacheSize(cacheSizeIndexDBDataBlocks.IntN())
+	mergeset.SetDataBlocksSparseCacheSize(cacheSizeIndexDBDataBlocksSparse.IntN())
 
 	if retentionPeriod.Duration() < 24*time.Hour {
 		logger.Fatalf("-retentionPeriod cannot be smaller than a day; got %s", retentionPeriod)
@@ -581,6 +584,7 @@ func writeStorageMetrics(w io.Writer, strg *storage.Storage) {
 	metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/next_day_metric_ids"}`, m.NextDayMetricIDCacheSize)
 	metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/indexBlocks"}`, tm.IndexBlocksCacheSize)
 	metrics.WriteGaugeUint64(w, `vm_cache_entries{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheSize)
+	metrics.WriteGaugeUint64(w, `vm_cache_entries{type="indexdb/dataBlocksSparse"}`, idbm.DataBlocksSparseCacheSize)
 	metrics.WriteGaugeUint64(w, `vm_cache_entries{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheSize)
 	metrics.WriteGaugeUint64(w, `vm_cache_entries{type="indexdb/tagFiltersToMetricIDs"}`, idbm.TagFiltersToMetricIDsCacheSize)
 	metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/regexps"}`, uint64(storage.RegexpCacheSize()))
@@ -592,6 +596,7 @@ func writeStorageMetrics(w io.Writer, strg *storage.Storage) {
 	metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/metricName"}`, m.MetricNameCacheSizeBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/indexBlocks"}`, tm.IndexBlocksCacheSizeBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheSizeBytes)
+	metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="indexdb/dataBlocksSparse"}`, idbm.DataBlocksSparseCacheSizeBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheSizeBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/date_metricID"}`, m.DateMetricIDCacheSizeBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/hour_metric_ids"}`, m.HourMetricIDCacheSizeBytes)
@@ -606,6 +611,7 @@ func writeStorageMetrics(w io.Writer, strg *storage.Storage) {
 	metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="storage/metricName"}`, m.MetricNameCacheSizeMaxBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="storage/indexBlocks"}`, tm.IndexBlocksCacheSizeMaxBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheSizeMaxBytes)
+	metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="indexdb/dataBlocksSparse"}`, idbm.DataBlocksSparseCacheSizeMaxBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheSizeMaxBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="indexdb/tagFiltersToMetricIDs"}`, idbm.TagFiltersToMetricIDsCacheSizeMaxBytes)
 	metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="storage/regexps"}`, uint64(storage.RegexpCacheMaxSizeBytes()))
@@ -616,6 +622,7 @@ func writeStorageMetrics(w io.Writer, strg *storage.Storage) {
 	metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="storage/metricName"}`, m.MetricNameCacheRequests)
 	metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="storage/indexBlocks"}`, tm.IndexBlocksCacheRequests)
 	metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheRequests)
+	metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="indexdb/dataBlocksSparse"}`, idbm.DataBlocksSparseCacheRequests)
 	metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheRequests)
 	metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="indexdb/tagFiltersToMetricIDs"}`, idbm.TagFiltersToMetricIDsCacheRequests)
 	metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="storage/regexps"}`, storage.RegexpCacheRequests())
@@ -626,6 +633,7 @@ func writeStorageMetrics(w io.Writer, strg *storage.Storage) {
 	metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="storage/metricName"}`, m.MetricNameCacheMisses)
 	metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="storage/indexBlocks"}`, tm.IndexBlocksCacheMisses)
 	metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheMisses)
+	metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="indexdb/dataBlocksSparse"}`, idbm.DataBlocksSparseCacheMisses)
 	metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheMisses)
 	metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="indexdb/tagFiltersToMetricIDs"}`, idbm.TagFiltersToMetricIDsCacheMisses)
 	metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="storage/regexps"}`, storage.RegexpCacheMisses())

app/vmui/Dockerfile-web

@@ -6,7 +6,7 @@ COPY web/ /build/
 RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o web-amd64 github.com/VictoriMetrics/vmui/ && \
     GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -o web-windows github.com/VictoriMetrics/vmui/
 
-FROM alpine:3.21.0
+FROM alpine:3.21.2
 USER root
 
 COPY --from=build-web-stage /build/web-amd64 /app/web

app/vmui/packages/vmui/src/api/types.ts

@@ -48,3 +48,16 @@ export interface LogHits {
     [key: string]: string;
   };
 }
+
+export interface ReportMetaData {
+  id: number;
+  title: string;
+  endpoint: string;
+  comment: string;
+  params: Record<string, string>;
+}
+
+export interface LogsFiledValues {
+  value: string;
+  hits: number;
+}

app/vmui/packages/vmui/src/components/Configurators/QueryEditor/LogsQL/LogsQueryEditorAutocomplete.tsx

@@ -0,0 +1,154 @@
+import React, { FC, useCallback, useEffect, useMemo, useState } from "preact/compat";
+import Autocomplete, { AutocompleteOptions } from "../../../Main/Autocomplete/Autocomplete";
+import { AUTOCOMPLETE_LIMITS } from "../../../../constants/queryAutocomplete";
+import { QueryEditorAutocompleteProps } from "../QueryEditor";
+import { getContextData, splitLogicalParts } from "./parser";
+import { ContextType, LogicalPart, LogicalPartType } from "./types";
+import { useFetchLogsQLOptions } from "./useFetchLogsQLOptions";
+import { pipeList } from "./pipes";
+
+const LogsQueryEditorAutocomplete: FC<QueryEditorAutocompleteProps> = ({
+  value,
+  anchorEl,
+  caretPosition,
+  hasHelperText,
+  onSelect,
+  onFoundOptions
+}) => {
+  const [offsetPos, setOffsetPos] = useState({ top: 0, left: 0 });
+
+  const fullValue = useMemo(() => {
+    if (caretPosition[0] !== caretPosition[1]) return { valueBeforeCursor: value, valueAfterCursor: "" };
+    const valueBeforeCursor = value.substring(0, caretPosition[0]);
+    const valueAfterCursor = value.substring(caretPosition[1]);
+    return { valueBeforeCursor, valueAfterCursor };
+  }, [value, caretPosition]);
+
+  const logicalParts = useMemo(() => {
+    return splitLogicalParts(value);
+  }, [value]);
+
+  const contextData = useMemo(() => {
+    if (caretPosition[0] !== caretPosition[1]) return;
+    const part = logicalParts.find(p => caretPosition[0] >= p.position[0] && caretPosition[0] <= p.position[1]);
+    if (!part) return;
+    const cursorStartPosition = caretPosition[0] - part.position[0];
+    return {
+      ...part,
+      ...getContextData(part, cursorStartPosition)
+    };
+  }, [logicalParts, caretPosition]);
+
+  const { fieldNames, fieldValues, loading } = useFetchLogsQLOptions(contextData);
+
+  const options = useMemo(() => {
+    switch (contextData?.contextType) {
+      case ContextType.FilterName:
+      case ContextType.FilterUnknown:
+        return fieldNames;
+      case ContextType.FilterValue:
+        return fieldValues;
+      case ContextType.PipeName:
+        return pipeList;
+      default:
+        return [];
+    }
+  }, [contextData, fieldNames, fieldValues]);
+
+  const getUpdatedValue = (insertValue: string, logicalParts: LogicalPart[], id?: number) => {
+    return logicalParts.reduce((acc, part) => {
+      const value = part.id === id ? insertValue : part.value;
+      const separator = part.type === LogicalPartType.Pipe ? " | " : " ";
+      return `${acc}${separator}${value}`;
+    }, "").trim();
+  };
+
+  const getModifyInsert = (insert: string, contextType: ContextType, value = "", insertType?: string) => {
+    let modifiedInsert = insert;
+
+    if (insertType === ContextType.FilterName) {
+      modifiedInsert += ":";
+    } else if (contextType === ContextType.FilterValue) {
+      const insertWithQuotes = value.startsWith("_stream:") ? modifiedInsert : `"${modifiedInsert}"`;
+      modifiedInsert = `${contextData?.filterName || ""}:${insertWithQuotes}`;
+    }
+
+    return modifiedInsert;
+  };
+
+  const handleSelect = useCallback((insert: string, item: AutocompleteOptions) => {
+    const {
+      id,
+      contextType = ContextType.FilterUnknown,
+      value = "",
+      position = [0, 0]
+    } = contextData || {};
+
+    const insertValue = getModifyInsert(insert, contextType, value, item.type);
+    const newValue = getUpdatedValue(insertValue, logicalParts, id);
+    const updatedPosition = (position[0] || 1) + insertValue.length + (item.type === ContextType.PipeName ? 1 : 0);
+
+    onSelect(newValue, updatedPosition);
+  }, [contextData, logicalParts]);
+
+
+  useEffect(() => {
+    if (!anchorEl.current) {
+      setOffsetPos({ top: 0, left: 0 });
+      return;
+    }
+
+    const element = anchorEl.current.querySelector("textarea") || anchorEl.current;
+    const style = window.getComputedStyle(element);
+    const fontSize = `${style.getPropertyValue("font-size")}`;
+    const fontFamily = `${style.getPropertyValue("font-family")}`;
+    const lineHeight = parseInt(`${style.getPropertyValue("line-height")}`);
+
+    const span = document.createElement("div");
+    span.style.font = `${fontSize} ${fontFamily}`;
+    span.style.padding = style.getPropertyValue("padding");
+    span.style.lineHeight = `${lineHeight}px`;
+    span.style.width = `${element.offsetWidth}px`;
+    span.style.maxWidth = `${element.offsetWidth}px`;
+    span.style.whiteSpace = style.getPropertyValue("white-space");
+    span.style.overflowWrap = style.getPropertyValue("overflow-wrap");
+
+    const marker = document.createElement("span");
+    span.appendChild(document.createTextNode(fullValue.valueBeforeCursor || ""));
+    span.appendChild(marker);
+    span.appendChild(document.createTextNode(fullValue.valueAfterCursor || ""));
+    document.body.appendChild(span);
+
+    const spanRect = span.getBoundingClientRect();
+    const markerRect = marker.getBoundingClientRect();
+
+    const leftOffset = markerRect.left - spanRect.left;
+    const topOffset = markerRect.bottom - spanRect.bottom - (hasHelperText ? lineHeight : 0);
+    setOffsetPos({ top: topOffset, left: leftOffset });
+
+    span.remove();
+    marker.remove();
+  }, [anchorEl, caretPosition, hasHelperText, fullValue]);
+
+  return (
+    <>
+      <Autocomplete
+        loading={loading}
+        disabledFullScreen
+        value={contextData?.valueContext || ""}
+        options={options}
+        anchor={anchorEl}
+        minLength={0}
+        offset={offsetPos}
+        onSelect={handleSelect}
+        onFoundOptions={onFoundOptions}
+        maxDisplayResults={{
+          limit: AUTOCOMPLETE_LIMITS.displayResults,
+          message: "Please, specify the query more precisely."
+        }}
+      />
+    </>
+  );
+};
+
+export default LogsQueryEditorAutocomplete;

app/vmui/packages/vmui/src/components/Configurators/QueryEditor/LogsQL/parser.ts

@@ -0,0 +1,117 @@
+import { ContextData, ContextType, LogicalPart, LogicalPartPosition, LogicalPartType } from "./types";
+import { pipeList } from "./pipes";
+
+const BUILDER_OPERATORS = ["AND", "OR", "NOT"];
+const PIPE_NAMES = pipeList.map(p => p.value);
+
+export const splitLogicalParts = (expr: string) => {
+  // Replace spaces around the colon (:) with just the colon, removing the spaces
+  const input = expr; //.replace(/\s*:\s*/g, ":");
+  const parts: LogicalPart[] = [];
+  let currentPart = "";
+  let isPipePart = false;
+
+  const quotes = ["'", "\"", "`"];
+  let insideQuotes = false;
+  let expectedQuote = "";
+
+  const openBrackets = ["(", "[", "{"];
+  const closeBrackets = [")", "]", "}"];
+  const brackets = [...openBrackets, ...closeBrackets];
+  let insideBrackets = 0;
+
+  let startIndex = 0;
+
+  for (let i = 0; i < input.length; i++) {
+    const char = input[i];
+
+    // Check if the current character is a quote
+    if (quotes.includes(char)) {
+      const isClosedQuote: boolean = insideQuotes && (char === expectedQuote);
+      insideQuotes = !isClosedQuote;
+      expectedQuote = isClosedQuote ? "" : char;
+    }
+
+    // Check if the current character is a bracket
+    if (!insideQuotes && brackets.includes(char)) {
+      const dir = openBrackets.includes(char) ? 1 : -1;
+      insideBrackets += dir;
+    }
+
+    // Check if the current character is a pipe
+    if ((!insideQuotes && !insideBrackets && char === "|")) {
+      isPipePart = true;
+      const countStartSpaces = currentPart.match(/^ */)?.[0].length || 0;
+      const countEndSpaces = currentPart.match(/ *$/)?.[0].length || 0;
+      pushPart(currentPart, true, [startIndex + countStartSpaces, i - countEndSpaces - 1], parts);
+      currentPart = "";
+      startIndex = i + 1;
+      continue;
+    }
+
+    // Check if the current character is a space
+    if (!isPipePart && !insideQuotes && !insideBrackets && char === " ") {
+      const nextStr = input.slice(i).replace(/^\s*/, "");
+      const prevStr = input.slice(0, i).replace(/\s*$/, "");
+      if (!nextStr.startsWith(":") && !prevStr.endsWith(":")) {
+        pushPart(currentPart, false, [startIndex, i - 1], parts);
+        currentPart = "";
+        startIndex = i + 1;
+        continue;
+      }
+    }
+
+    currentPart += char;
+  }
+
+  // push the last part
+  pushPart(currentPart, isPipePart, [startIndex, input.length], parts);
+
+  return parts;
+};
+
+const pushPart = (currentPart: string, isPipePart: boolean, position: LogicalPartPosition, parts: LogicalPart[]) => {
+  const trimmedPart = currentPart.trim();
+  if (!trimmedPart) return;
+  const isOperator = BUILDER_OPERATORS.includes(trimmedPart.toUpperCase());
+  parts.push({
+    id: parts.length,
+    value: trimmedPart,
+    position,
+    type: isPipePart
+      ? LogicalPartType.Pipe
+      : isOperator ? LogicalPartType.Operator : LogicalPartType.Filter,
+  });
+};
+
+export const getContextData = (part: LogicalPart, cursorPos: number) => {
+  const valueBeforeCursor = part.value.substring(0, cursorPos);
+  const valueAfterCursor = part.value.substring(cursorPos);
+
+  const metaData: ContextData = {
+    valueBeforeCursor,
+    valueAfterCursor,
+    valueContext: part.value,
+    contextType: ContextType.Unknown,
+  };
+
+  if (part.type === LogicalPartType.Filter) {
+    const noColon = !valueBeforeCursor.includes(":") && !valueAfterCursor.includes(":");
+    if (noColon) {
+      metaData.contextType = ContextType.FilterUnknown;
+    } else if (valueBeforeCursor.includes(":")) {
+      const [filterName, filterValue] = valueBeforeCursor.split(":");
+      metaData.contextType = ContextType.FilterValue;
+      metaData.filterName = filterName;
+      metaData.valueContext = filterValue;
+    } else {
+      metaData.contextType = ContextType.FilterName;
+    }
+  } else if (part.type === LogicalPartType.Pipe) {
+    const valueStartWithPipe = PIPE_NAMES.some(p => part.value.startsWith(p));
+    metaData.contextType = valueStartWithPipe ? ContextType.PipeValue : ContextType.PipeName;
+  }
+
+  metaData.valueContext = metaData.valueContext.replace(/^["']|["']$/g, "");
+  return metaData;
+};

app/vmui/packages/vmui/src/components/Configurators/QueryEditor/LogsQL/pipes.tsx

@@ -0,0 +1,130 @@
+import React from "react";
+import { ContextType } from "./types";
+import { FunctionIcon } from "../../../Main/Icons";
+
+const docsUrl = "https://docs.victoriametrics.com/victorialogs/logsql";
+const classLink = "vm-link vm-link_colored";
+
+const prepareDescription = (text: string): string => {
+  const replaceClass = `$1 target="_blank" class="${classLink}" $2`;
+  const replaceHref = `$1 $2${docsUrl}#`;
+  return text
+    .replace(/(<a) (href=")#/gm, replaceHref)
+    .replace(/(<a) (href="[^"]+")/gm, replaceClass);
+};
+
+export const pipeList = [
+  {
+    "value": "copy",
+    "description": "<a href=\"#copy-pipe\"><code>copy</code></a> copies <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "delete",
+    "description": "<a href=\"#delete-pipe\"><code>delete</code></a> deletes <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "drop_empty_fields",
+    "description": "<a href=\"#drop_empty_fields-pipe\"><code>drop_empty_fields</code></a> drops <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a> with empty values."
+  },
+  {
+    "value": "extract",
+    "description": "<a href=\"#extract-pipe\"><code>extract</code></a> extracts the specified text into the given log fields."
+  },
+  {
+    "value": "extract_regexp",
+    "description": "<a href=\"#extract_regexp-pipe\"><code>extract_regexp</code></a> extracts the specified text into the given log fields via <a href=\"https://github.com/google/re2/wiki/Syntax\" rel=\"external\" target=\"_blank\">RE2 regular expressions</a>."
+  },
+  {
+    "value": "field_names",
+    "description": "<a href=\"#field_names-pipe\"><code>field_names</code></a> returns all the names of <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "field_values",
+    "description": "<a href=\"#field_values-pipe\"><code>field_values</code></a> returns all the values for the given <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log field</a>."
+  },
+  {
+    "value": "fields",
+    "description": "<a href=\"#fields-pipe\"><code>fields</code></a> selects the given set of <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "filter",
+    "description": "<a href=\"#filter-pipe\"><code>filter</code></a> applies additional <a href=\"#filters\">filters</a> to results."
+  },
+  {
+    "value": "format",
+    "description": "<a href=\"#format-pipe\"><code>format</code></a> formats output field from input <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "limit",
+    "description": "<a href=\"#limit-pipe\"><code>limit</code></a> limits the number selected logs."
+  },
+  {
+    "value": "math",
+    "description": "<a href=\"#math-pipe\"><code>math</code></a> performs mathematical calculations over <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "offset",
+    "description": "<a href=\"#offset-pipe\"><code>offset</code></a> skips the given number of selected logs."
+  },
+  {
+    "value": "pack_json",
+    "description": "<a href=\"#pack_json-pipe\"><code>pack_json</code></a> packs <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a> into JSON object."
+  },
+  {
+    "value": "pack_logfmt",
+    "description": "<a href=\"#pack_logfmt-pipe\"><code>pack_logfmt</code></a> packs <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a> into <a href=\"https://brandur.org/logfmt\" rel=\"external\" target=\"_blank\">logfmt</a> message."
+  },
+  {
+    "value": "rename",
+    "description": "<a href=\"#rename-pipe\"><code>rename</code></a> renames <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "replace",
+    "description": "<a href=\"#replace-pipe\"><code>replace</code></a> replaces substrings in the specified <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "replace_regexp",
+    "description": "<a href=\"#replace_regexp-pipe\"><code>replace_regexp</code></a> updates <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a> with regular expressions."
+  },
+  {
+    "value": "sort",
+    "description": "<a href=\"#sort-pipe\"><code>sort</code></a> sorts logs by the given <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">fields</a>."
+  },
+  {
+    "value": "stats",
+    "description": "<a href=\"#stats-pipe\"><code>stats</code></a> calculates various stats over the selected logs."
+  },
+  {
+    "value": "stream_context",
+    "description": "<a href=\"#stream_context-pipe\"><code>stream_context</code></a> allows selecting surrounding logs in front and after the matching logs\nper each <a href=\"/victorialogs/keyconcepts/#stream-fields\">log stream</a>."
+  },
+  {
+    "value": "top",
+    "description": "<a href=\"#top-pipe\"><code>top</code></a> returns top <code>N</code> field sets with the maximum number of matching logs."
+  },
+  {
+    "value": "uniq",
+    "description": "<a href=\"#uniq-pipe\"><code>uniq</code></a> returns unique log entires."
+  },
+  {
+    "value": "unpack_json",
+    "description": "<a href=\"#unpack_json-pipe\"><code>unpack_json</code></a> unpacks JSON messages from <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "unpack_logfmt",
+    "description": "<a href=\"#unpack_logfmt-pipe\"><code>unpack_logfmt</code></a> unpacks <a href=\"https://brandur.org/logfmt\" rel=\"external\" target=\"_blank\">logfmt</a> messages from <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "unpack_syslog",
+    "description": "<a href=\"#unpack_syslog-pipe\"><code>unpack_syslog</code></a> unpacks <a href=\"https://en.wikipedia.org/wiki/Syslog\" rel=\"external\" target=\"_blank\">syslog</a> messages from <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  },
+  {
+    "value": "unroll",
+    "description": "<a href=\"#unroll-pipe\"><code>unroll</code></a> unrolls JSON arrays from <a href=\"https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model\">log fields</a>."
+  }
+].map(item => ({
+  ...item,
+  type: ContextType.PipeName,
+  icon: <FunctionIcon/>,
+  description: prepareDescription(item.description),
+}));

app/vmui/packages/vmui/src/components/Configurators/QueryEditor/LogsQL/types.ts

@@ -0,0 +1,31 @@
+export enum LogicalPartType {
+  Filter = "Filter",
+  Pipe = "Pipe",
+  Operator = "Operator",
+}
+
+export type LogicalPartPosition = [start: number, end: number];
+
+export interface LogicalPart {
+  id: number;
+  value: string;
+  type: LogicalPartType;
+  position: LogicalPartPosition;
+}
+
+export interface ContextData {
+  valueBeforeCursor: string;
+  valueAfterCursor: string;
+  contextType: ContextType;
+  valueContext: string;
+  filterName?: string;
+}
+
+export enum ContextType {
+  FilterName = "FilterName",
+  FilterUnknown = "FilterUnknown",
+  FilterValue = "FilterValue",
+  PipeName = "Pipes",
+  PipeValue = "PipeValue",
+  Unknown = "Unknown",
+}

app/vmui/packages/vmui/src/components/Configurators/QueryEditor/LogsQL/useFetchLogsQLOptions.tsx

@@ -0,0 +1,137 @@
+import React, { useEffect, useState, useRef, Dispatch, SetStateAction } from "preact/compat";
+import dayjs from "dayjs";
+import { ContextData, ContextType } from "./types";
+import { FunctionIcon, LabelIcon, MetricIcon, ValueIcon } from "../../../Main/Icons";
+import { AutocompleteOptions } from "../../../Main/Autocomplete/Autocomplete";
+import { useAppState } from "../../../../state/common/StateContext";
+import { useTimeState } from "../../../../state/time/TimeStateContext";
+import { useCallback } from "react";
+import { AUTOCOMPLETE_LIMITS } from "../../../../constants/queryAutocomplete";
+import { LogsFiledValues } from "../../../../api/types";
+import { useLogsDispatch, useLogsState } from "../../../../state/logsPanel/LogsStateContext";
+
+type FetchDataArgs = {
+  urlSuffix: string;
+  setter: Dispatch<SetStateAction<AutocompleteOptions[]>>
+  type: ContextType;
+  params?: URLSearchParams;
+}
+
+const icons = {
+  [ContextType.FilterName]: <MetricIcon/>,
+  [ContextType.FilterUnknown]: <MetricIcon/>,
+  [ContextType.FilterValue]: <ValueIcon/>,
+  [ContextType.PipeName]: <FunctionIcon/>,
+  [ContextType.PipeValue]: <LabelIcon/>,
+  [ContextType.Unknown]: <ValueIcon/>
+};
+
+export const useFetchLogsQLOptions = (contextData?: ContextData) => {
+  const { serverUrl } = useAppState();
+  const { period: { start, end } } = useTimeState();
+  const { autocompleteCache } = useLogsState();
+  const dispatch = useLogsDispatch();
+
+  const [loading, setLoading] = useState(false);
+
+  const [fieldNames, setFieldNames] = useState<AutocompleteOptions[]>([]);
+  const [fieldValues, setFieldValues] = useState<AutocompleteOptions[]>([]);
+
+  const abortControllerRef = useRef(new AbortController());
+
+  const getQueryParams = useCallback((params?: Record<string, string>) => {
+    const startDay = dayjs(start * 1000).startOf("day").valueOf() / 1000;
+    const endDay = dayjs(end * 1000).endOf("day").valueOf() / 1000;
+
+    return new URLSearchParams({
+      ...(params || {}),
+      limit: `${AUTOCOMPLETE_LIMITS.queryLimit}`,
+      start: `${startDay}`,
+      end: `${endDay}`
+    });
+  }, [start, end]);
+
+  const processData = (values: LogsFiledValues[], type: ContextType): AutocompleteOptions[] => {
+    return values.map(v => ({
+      value: v.value,
+      type: `${type}`,
+      icon: icons[type]
+    }));
+  };
+
+  const fetchData = async ({ urlSuffix, setter, type, params }: FetchDataArgs) => {
+    // if (!value && type === TypeData.metric) return;
+    abortControllerRef.current.abort();
+    abortControllerRef.current = new AbortController();
+    const { signal } = abortControllerRef.current;
+    const key = `${urlSuffix}?${params?.toString()}`;
+    setLoading(true);
+    try {
+      const cachedData = autocompleteCache.get(key);
+      if (cachedData) {
+        setter(processData(cachedData, type));
+        setLoading(false);
+        return;
+      }
+      const response = await fetch(`${serverUrl}/select/logsql/${urlSuffix}?${params}`, { signal });
+      if (response.ok) {
+        const data = await response.json();
+        const value = (data?.values || []) as LogsFiledValues[];
+        setter(value ? processData(value, type) : []);
+        dispatch({ type: "SET_AUTOCOMPLETE_CACHE", payload: { key, value } });
+      }
+      setLoading(false);
+    } catch (e) {
+      if (e instanceof Error && e.name !== "AbortError") {
+        dispatch({ type: "SET_AUTOCOMPLETE_CACHE", payload: { key, value: [] } });
+        setLoading(false);
+        console.error(e);
+      }
+    }
+  };
+
+  // fetch field names
+  useEffect(() => {
+    const validContexts = [ContextType.FilterName, ContextType.FilterUnknown];
+    const isInvalidContext = !validContexts.includes(contextData?.contextType || ContextType.Unknown);
+    if (!serverUrl || isInvalidContext) {
+      return;
+    }
+
+    setFieldNames([]);
+
+    fetchData({
+      urlSuffix: "field_names",
+      setter: setFieldNames,
+      type: ContextType.FilterName,
+      params: getQueryParams({ query: "*" })
+    });
+
+    return () => abortControllerRef.current?.abort();
+  }, [serverUrl, contextData]);
+
+  // fetch field values
+  useEffect(() => {
+    const isInvalidContext = contextData?.contextType !== ContextType.FilterValue;
+    if (!serverUrl || isInvalidContext || !contextData?.filterName) {
+      return;
+    }
+
+    setFieldValues([]);
+
+    fetchData({
+      urlSuffix: "field_values",
+      setter: setFieldValues,
+      type: ContextType.FilterValue,
+      params: getQueryParams({ query: "*", field: contextData.filterName })
+    });
+
+    return () => abortControllerRef.current?.abort();
+  }, [serverUrl, contextData]);
+
+  return {
+    fieldNames,
+    fieldValues,
+    loading,
+  };
+};

app/vmui/packages/vmui/src/components/Configurators/QueryEditor/QueryEditor.tsx

@@ -2,7 +2,6 @@ import React, { FC, useEffect, useRef, useState } from "preact/compat";
 import { KeyboardEvent } from "react";
 import { ErrorTypes } from "../../../types";
 import TextField from "../../Main/TextField/TextField";
-import QueryEditorAutocomplete from "./QueryEditorAutocomplete";
 import "./style.scss";
 import { QueryStats } from "../../../api/types";
 import { partialWarning, seriesFetchedWarning } from "./warningText";
@@ -11,6 +10,16 @@ import useDeviceDetect from "../../../hooks/useDeviceDetect";
 import { useQueryState } from "../../../state/query/QueryStateContext";
 import debounce from "lodash.debounce";
 
+export interface QueryEditorAutocompleteProps {
+  value: string;
+  anchorEl: React.RefObject<HTMLInputElement>;
+  caretPosition: [number, number]; // [start, end]
+  hasHelperText: boolean;
+  includeFunctions: boolean;
+  onSelect: (val: string, caretPosition: number) => void;
+  onFoundOptions: (val: AutocompleteOptions[]) => void;
+}
+
 export interface QueryEditorProps {
   onChange: (query: string) => void;
   onEnter: () => void;
@@ -19,6 +28,7 @@ export interface QueryEditorProps {
   value: string;
   oneLiner?: boolean;
   autocomplete: boolean;
+  autocompleteEl?: FC<QueryEditorAutocompleteProps>;
   error?: ErrorTypes | string;
   stats?: QueryStats;
   label: string;
@@ -33,6 +43,7 @@ const QueryEditor: FC<QueryEditorProps> = ({
   onArrowUp,
   onArrowDown,
   autocomplete,
+  autocompleteEl: AutocompleteEl,
   error,
   stats,
   label,
@@ -43,10 +54,11 @@ const QueryEditor: FC<QueryEditorProps> = ({
   const { isMobile } = useDeviceDetect();
 
   const [openAutocomplete, setOpenAutocomplete] = useState(false);
-  const [caretPosition, setCaretPosition] = useState<[number, number]>([0, 0]);
+  const [caretPositionAutocomplete, setCaretPositionAutocomplete] = useState<[number, number]>([0, 0]);
+  const [caretPositionInput, setCaretPositionInput] = useState<[number, number]>([0, 0]);
   const autocompleteAnchorEl = useRef<HTMLInputElement>(null);
 
-  const [showAutocomplete, setShowAutocomplete] = useState(autocomplete);
+  const [showAutocomplete, setShowAutocomplete] = useState(!!AutocompleteEl);
   const debouncedSetShowAutocomplete = useRef(debounce(setShowAutocomplete, 500)).current;
 
   const warning = [
@@ -66,7 +78,7 @@ const QueryEditor: FC<QueryEditorProps> = ({
 
   const handleSelect = (val: string, caretPosition: number) => {
     onChange(val);
-    setCaretPosition([caretPosition, caretPosition]);
+    setCaretPositionInput([caretPosition, caretPosition]);
   };
 
   const handleKeyDown = (e: KeyboardEvent) => {
@@ -108,17 +120,17 @@ const QueryEditor: FC<QueryEditorProps> = ({
   };
 
   const handleChangeCaret = (val: [number, number]) => {
-    setCaretPosition(prev => prev[0] === val[0] && prev[1] === val[1] ? prev : val);
+    setCaretPositionAutocomplete(prev => prev[0] === val[0] && prev[1] === val[1] ? prev : val);
   };
 
   useEffect(() => {
-    setOpenAutocomplete(autocomplete);
+    setOpenAutocomplete(!!AutocompleteEl);
   }, [autocompleteQuick]);
 
   useEffect(() => {
     setShowAutocomplete(false);
     debouncedSetShowAutocomplete(true);
-  }, [caretPosition]);
+  }, [caretPositionAutocomplete]);
 
   return (
     <div
@@ -137,13 +149,13 @@ const QueryEditor: FC<QueryEditorProps> = ({
         onChangeCaret={handleChangeCaret}
         disabled={disabled}
         inputmode={"search"}
-        caretPosition={caretPosition}
+        caretPosition={caretPositionInput}
       />
-      {showAutocomplete && autocomplete && (
-        <QueryEditorAutocomplete
+      {showAutocomplete && autocomplete && AutocompleteEl && (
+        <AutocompleteEl
           value={value}
           anchorEl={autocompleteAnchorEl}
-          caretPosition={caretPosition}
+          caretPosition={caretPositionAutocomplete}
           hasHelperText={Boolean(warning || error)}
           includeFunctions={includeFunctions}
           onSelect={handleSelect}

app/vmui/packages/vmui/src/components/Configurators/QueryEditor/QueryEditorAutocomplete.tsx

@@ -1,20 +1,11 @@
 import React, { FC, useState, useEffect, useMemo, useCallback } from "preact/compat";
-import Autocomplete, { AutocompleteOptions } from "../../Main/Autocomplete/Autocomplete";
+import Autocomplete from "../../Main/Autocomplete/Autocomplete";
 import { useFetchQueryOptions } from "../../../hooks/useFetchQueryOptions";
 import { escapeRegexp, hasUnclosedQuotes } from "../../../utils/regexp";
 import useGetMetricsQL from "../../../hooks/useGetMetricsQL";
 import { QueryContextType } from "../../../types";
 import { AUTOCOMPLETE_LIMITS } from "../../../constants/queryAutocomplete";
-
-interface QueryEditorAutocompleteProps {
-  value: string;
-  anchorEl: React.RefObject<HTMLElement>;
-  caretPosition: [number, number]; // [start, end]
-  hasHelperText: boolean;
-  includeFunctions: boolean;
-  onSelect: (val: string, caretPosition: number) => void;
-  onFoundOptions: (val: AutocompleteOptions[]) => void;
-}
+import { QueryEditorAutocompleteProps } from "./QueryEditor";
 
 const QueryEditorAutocomplete: FC<QueryEditorAutocompleteProps> = ({
   value,

app/vmui/packages/vmui/src/components/ExploreMetrics/ExploreMetricsHeader/style.scss

@@ -38,6 +38,10 @@
     align-items: flex-start;
     gap: $padding-small;
 
+    ul {
+      list-style-position: inside;
+    }
+
     button {
       color: inherit;
       min-height: 29px;

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

@@ -28,7 +28,7 @@ interface AutocompleteProps {
   offset?: {top: number, left: number}
   maxDisplayResults?: {limit: number, message?: string}
   loading?: boolean;
-  onSelect: (val: string) => void
+  onSelect: (val: string, item: AutocompleteOptions) => void
   onOpenAutocomplete?: (val: boolean) => void
   onFoundOptions?: (val: AutocompleteOptions[]) => void
   onChangeWrapperRef?: (elementRef: React.RefObject<HTMLElement>) => void
@@ -97,9 +97,9 @@ const Autocomplete: FC<AutocompleteProps> = ({
     return noOptionsText && !foundOptions.length;
   }, [noOptionsText,foundOptions]);
 
-  const createHandlerSelect = (item: string) => () => {
+  const createHandlerSelect = (item: AutocompleteOptions) => () => {
     if (disabled) return;
-    onSelect(item);
+    onSelect(item.value, item);
     if (!selected) handleCloseAutocomplete();
   };
 
@@ -141,7 +141,7 @@ const Autocomplete: FC<AutocompleteProps> = ({
 
     if (key === "Enter") {
       const item = foundOptions[focusOption.index];
-      item && onSelect(item.value);
+      item && onSelect(item.value, item);
       if (!selected) handleCloseAutocomplete();
     }
 
@@ -206,7 +206,7 @@ const Autocomplete: FC<AutocompleteProps> = ({
             })}
             id={`$autocomplete$${option.value}`}
             key={`${i}${option.value}`}
-            onClick={createHandlerSelect(option.value)}
+            onClick={createHandlerSelect(option)}
             onMouseEnter={createHandlerMouseEnter(i)}
             onMouseLeave={handlerMouseLeave}
           >

app/vmui/packages/vmui/src/components/Main/Icons/index.tsx

@@ -570,3 +570,14 @@ export const SpinnerIcon = () => (
     </path>
   </svg>
 );
+
+export const CommentIcon = () => (
+  <svg
+    viewBox="0 0 24 24"
+    fill="currentColor"
+  >
+    <path
+      d="M21.99 4c0-1.1-.89-2-1.99-2H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h14l4 4zM18 14H6v-2h12zm0-3H6V9h12zm0-3H6V6h12z"
+    ></path>
+  </svg>
+);

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

@@ -0,0 +1,62 @@
+import React, { FC } from "preact/compat";
+import useBoolean from "../../../hooks/useBoolean";
+import classNames from "classnames";
+import TextField from "../TextField/TextField";
+import "./style.scss";
+import { marked } from "marked";
+
+interface Props {
+  value: string;
+  onChange: (value: string) => void;
+}
+
+const tabs = [
+  { title: "Write", value: false },
+  { title: "Preview", value: true },
+];
+
+const MarkdownEditor: FC<Props> = ({ value, onChange }) => {
+  const {
+    value: markdownPreview,
+    setTrue: setMarkdownPreviewTrue,
+    setFalse: setMarkdownPreviewFalse,
+  } = useBoolean(false);
+
+  return (
+    <div className="vm-markdown-editor">
+      <div className="vm-markdown-editor-header">
+        <div className="vm-markdown-editor-header-tabs">
+          {tabs.map(({ title, value }) => (
+            <div
+              key={title}
+              className={classNames({
+                "vm-markdown-editor-header-tabs__tab": true,
+                "vm-markdown-editor-header-tabs__tab_active": markdownPreview === value,
+              })}
+              onClick={value ? setMarkdownPreviewTrue : setMarkdownPreviewFalse}
+            >
+              {title}
+            </div>
+          ))}
+        </div>
+        <span className="vm-markdown-editor-header__info">
+          Markdown is supported
+        </span>
+      </div>
+      {markdownPreview ? (
+        <div
+          className="vm-markdown-editor-preview vm-markdown"
+          dangerouslySetInnerHTML={{ __html: marked(value) as string }}
+        />
+      ) : (
+        <TextField
+          type="textarea"
+          value={value}
+          onChange={onChange}
+        />
+      )}
+    </div>
+  );
+};
+
+export default MarkdownEditor;

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

@@ -0,0 +1,75 @@
+@use "src/styles/variables" as *;
+
+.vm-markdown-editor {
+  margin-top: 6px;
+  padding: 0 6px;
+  border-radius: $border-radius-small;
+  border: $border-divider;
+  overflow: hidden;
+
+  &-header {
+    display: flex;
+    align-items: center;
+    background-color: $color-hover-black;
+    padding-right: $padding-global;
+    border-bottom: $border-divider;
+    margin: -1px -7px 6px;
+
+    &-tabs {
+      display: flex;
+
+      &__tab {
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        margin-bottom: -1px;
+        padding: $padding-small $padding-large;
+        min-height: 40px;
+        color: $color-text-secondary;
+        transition: color 0.3s;
+        cursor: pointer;
+
+        &:hover {
+          color: $color-text;
+        }
+
+        &_active {
+          position: relative;
+          color: $color-text;
+          background-color: $color-background-body;
+          border-top-right-radius: $border-radius-small;
+          border-top-left-radius: $border-radius-small;
+          z-index: 1;
+
+          &:first-child {
+            border-right: $border-divider;
+          }
+
+          &:last-child {
+            border-right: $border-divider;
+            border-left: $border-divider;
+          }
+        }
+      }
+    }
+
+    &__info {
+      margin-left: auto;
+      margin-right: 0;
+      color: $color-text-secondary;
+      font-size: $font-size-small;
+      font-weight: 500;
+    }
+  }
+
+  &-preview {
+    padding: $padding-small;
+    margin-bottom: 6px;
+  }
+
+  &-preview,
+  textarea {
+    min-height: 200px;
+    resize: vertical;
+  }
+}

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

@@ -1,7 +1,6 @@
 import React, {
   FC,
   useEffect,
-  useState,
   useRef,
   useMemo,
   FormEvent,
@@ -65,7 +64,6 @@ const TextField: FC<TextFieldProps> = ({
   const inputRef = useRef<HTMLInputElement>(null);
   const textareaRef = useRef<HTMLTextAreaElement>(null);
   const fieldRef = useMemo(() => type === "textarea" ? textareaRef : inputRef, [type]);
-  const [selectionPos, setSelectionPos] = useState<[start: number, end: number]>([0, 0]);
 
   const inputClasses = classNames({
     "vm-text-field__input": true,
@@ -77,8 +75,9 @@ const TextField: FC<TextFieldProps> = ({
   });
 
   const updateCaretPosition = (target: HTMLInputElement | HTMLTextAreaElement) => {
+    if (!onChangeCaret) return;
     const { selectionStart, selectionEnd } = target;
-    setSelectionPos([selectionStart || 0, selectionEnd || 0]);
+    onChangeCaret && onChangeCaret([selectionStart || 0, selectionEnd || 0]);
   };
 
   const handleMouseUp = (e: MouseEvent<HTMLInputElement | HTMLTextAreaElement>) => {
@@ -127,14 +126,6 @@ const TextField: FC<TextFieldProps> = ({
     fieldRef?.current?.focus && fieldRef.current.focus();
   }, [fieldRef, autofocus]);
 
-  useEffect(() => {
-    onChangeCaret && onChangeCaret(selectionPos);
-  }, [selectionPos]);
-
-  useEffect(() => {
-    setSelectionRange(selectionPos);
-  }, [value]);
-
   useEffect(() => {
     caretPosition && setSelectionRange(caretPosition);
   }, [caretPosition]);

app/vmui/packages/vmui/src/components/UploadJsonButtons/UploadJsonButtons.tsx

@@ -16,17 +16,20 @@ const UploadJsonButtons: FC<Props> = ({ onOpenModal, onChange }) => (
     >
       Paste JSON
     </Button>
-    <Button>
-      Upload Files
+    <div className="vm-upload-json-buttons__upload">
+      <Button>
+        Upload Files
+      </Button>
       <input
         id="json"
+        name="json"
         type="file"
         accept="application/json"
         multiple
         title=" "
         onChange={onChange}
       />
-    </Button>
+    </div>
   </div>
 );
 

app/vmui/packages/vmui/src/components/UploadJsonButtons/style.scss

@@ -6,4 +6,8 @@
   gap: $padding-global;
   align-items: center;
   justify-content: center;
+
+  &__upload {
+    position: relative;
+  }
 }

app/vmui/packages/vmui/src/pages/CustomPanel/DownloadReport/DownloadReport.tsx

@@ -1,4 +1,4 @@
-import React, { FC, useCallback, useEffect, useMemo, useRef, useState } from "preact/compat";
+import React, { FC, useCallback, useEffect, useRef, useState } from "preact/compat";
 import { DownloadIcon } from "../../../components/Main/Icons";
 import Button from "../../../components/Main/Button/Button";
 import Tooltip from "../../../components/Main/Tooltip/Tooltip";
@@ -12,32 +12,65 @@ import TextField from "../../../components/Main/TextField/TextField";
 import { useQueryState } from "../../../state/query/QueryStateContext";
 import { ErrorTypes } from "../../../types";
 import Alert from "../../../components/Main/Alert/Alert";
-import qs from "qs";
 import Popper from "../../../components/Main/Popper/Popper";
 import helperText from "./helperText";
 import { Link } from "react-router-dom";
 import router from "../../../router";
+import { parseLineToJSON } from "../../../utils/json";
+import { ExportMetricResult, ReportMetaData } from "../../../api/types";
+import { getApiEndpoint } from "../../../utils/url";
+import MarkdownEditor from "../../../components/Main/MarkdownEditor/MarkdownEditor";
+
+export enum ReportType {
+  QUERY_DATA,
+  RAW_DATA,
+}
 
 type Props = {
   fetchUrl?: string[];
+  reportType?: ReportType
 }
 
-const getDefaultReportName = () => `vmui_report_${dayjs().utc().format(DATE_FILENAME_FORMAT)}`;
+type MetaData = {
+  id: number;
+  url: URL;
+  title: string;
+  comment: string;
+}
 
-const DownloadReport: FC<Props> = ({ fetchUrl }) => {
+const getDefaultTitle = (type: ReportType) => {
+  switch (type) {
+    case ReportType.RAW_DATA:
+      return "Raw report";
+    default:
+      return "Report";
+  }
+};
+
+const getDefaultFilename = (title: string) => {
+  const timestamp = dayjs().utc().format(DATE_FILENAME_FORMAT);
+  return `vmui_${title.toLowerCase().replace(/ /g, "_")}_${timestamp}`;
+};
+
+const DownloadReport: FC<Props> = ({ fetchUrl, reportType = ReportType.QUERY_DATA }) => {
   const { query } = useQueryState();
 
-  const [filename, setFilename] = useState(getDefaultReportName());
+  const defaultTitle = getDefaultTitle(reportType);
+  const defaultFilename = getDefaultFilename(defaultTitle);
+
+  const [title, setTitle] = useState(defaultTitle);
+  const [filename, setFilename] = useState(defaultFilename);
   const [comment, setComment] = useState("");
-  const [trace, setTrace] = useState(true);
+  const [trace, setTrace] = useState(reportType === ReportType.QUERY_DATA);
   const [error, setError] = useState<ErrorTypes | string>();
   const [isLoading, setIsLoading] = useState(false);
 
+  const titleRef = useRef<HTMLDivElement>(null);
   const filenameRef = useRef<HTMLDivElement>(null);
   const commentRef = useRef<HTMLDivElement>(null);
   const traceRef = useRef<HTMLDivElement>(null);
   const generateRef = useRef<HTMLDivElement>(null);
-  const helperRefs = [filenameRef, commentRef, traceRef, generateRef];
+  const helperRefs = [filenameRef, titleRef, commentRef, traceRef, generateRef];
   const [stepHelper, setStepHelper] = useState(0);
 
   const {
@@ -52,13 +85,17 @@ const DownloadReport: FC<Props> = ({ fetchUrl }) => {
     setFalse: handleCloseHelper,
   } = useBoolean(false);
 
-  const fetchUrlReport = useMemo(() => {
+  const getFetchUrlReport = useCallback(() => {
     if (!fetchUrl) return;
-    return fetchUrl.map((str, i) => {
-      const url = new URL(str);
-      trace ? url.searchParams.set("trace", "1") : url.searchParams.delete("trace");
-      return { id: i, url: url };
-    });
+    try {
+      return fetchUrl.map((str, i) => {
+        const url = new URL(str);
+        trace ? url.searchParams.set("trace", "1") : url.searchParams.delete("trace");
+        return { id: i, url: url };
+      });
+    } catch (e) {
+      setError(String(e));
+    }
   }, [fetchUrl, trace]);
 
   const generateFile = useCallback((data: unknown) => {
@@ -68,7 +105,7 @@ const DownloadReport: FC<Props> = ({ fetchUrl }) => {
 
     const link = document.createElement("a");
     link.href = href;
-    link.download = `${filename || getDefaultReportName()}.json`;
+    link.download = `${filename || defaultFilename}.json`;
     document.body.appendChild(link);
     link.click();
 
@@ -77,9 +114,63 @@ const DownloadReport: FC<Props> = ({ fetchUrl }) => {
     handleClose();
   }, [filename]);
 
+  const getMetaData = ({ id, url, comment, title }: MetaData): ReportMetaData => {
+    return {
+      id,
+      title: title || defaultTitle,
+      comment,
+      endpoint: getApiEndpoint(url.pathname) || "",
+      params: Object.fromEntries(url.searchParams)
+    };
+  };
+
+  const processJsonLineResponse = async (response: Response, metaData: MetaData) => {
+    const result: { metric: { [p: string]: string }, values: number[][] }[] = [];
+    const text = await response.text();
+
+    if (response.ok) {
+      const lines = text.split("\n").filter(line => line);
+      lines.forEach((line: string) => {
+        const jsonLine = parseLineToJSON(line) as (ExportMetricResult | null);
+        if (!jsonLine) return;
+        result.push({
+          metric: jsonLine.metric,
+          values: jsonLine.values.map((value, index) => [(jsonLine.timestamps[index] / 1000), value]),
+        });
+      });
+    } else {
+      setError(String(text));
+    }
+
+    return { data: { result, resultType: "matrix" }, vmui: getMetaData(metaData) };
+  };
+
+  const processJsonResponse = async (response: Response, metaData: MetaData) => {
+    const resp = await response.json();
+
+    if (response.ok) {
+      resp.vmui = getMetaData(metaData);
+      return resp;
+    } else {
+      const errorType = resp.errorType ? `${resp.errorType}\r\n` : "";
+      setError(`${errorType}${resp?.error || resp?.message || "unknown error"}`);
+    }
+  };
+
+  const processResponse = async (response: Response, metaData: MetaData) => {
+    switch (reportType) {
+      case ReportType.RAW_DATA:
+        return await processJsonLineResponse(response, metaData);
+      default:
+        return await processJsonResponse(response, metaData);
+    }
+  };
+
   const handleGenerateReport = useCallback(async () => {
+    const fetchUrlReport = getFetchUrlReport();
+
     if (!fetchUrlReport) {
-      setError(ErrorTypes.validQuery);
+      setError(prev => !prev ? ErrorTypes.validQuery : prev);
       return;
     }
 
@@ -88,20 +179,12 @@ const DownloadReport: FC<Props> = ({ fetchUrl }) => {
 
     try {
       const result = [];
-      for await (const { url, id } of fetchUrlReport) {
+      for await (const fetchOps of fetchUrlReport) {
+        if (!fetchOps) continue;
+        const { url, id } = fetchOps;
         const response = await fetch(url);
-        const resp = await response.json();
-        if (response.ok) {
-          resp.vmui = {
-            id,
-            comment,
-            params: qs.parse(new URL(url).search.replace(/^\?/, ""))
-          };
-          result.push(resp);
-        } else {
-          const errorType = resp.errorType ? `${resp.errorType}\r\n` : "";
-          setError(`${errorType}${resp?.error || resp?.message || "unknown error"}`);
-        }
+        const data = await processResponse(response, { id, url, comment, title });
+        result.push(data);
       }
       result.length && generateFile(result);
     } catch (e) {
@@ -111,15 +194,20 @@ const DownloadReport: FC<Props> = ({ fetchUrl }) => {
     } finally {
       setIsLoading(false);
     }
-  }, [fetchUrlReport, comment, generateFile, query]);
+  }, [getFetchUrlReport, comment, generateFile, query, title]);
 
   const handleChangeHelp = (step: number) => () => {
-    setStepHelper(prevStep => prevStep + step);
+    const findNextRef = (index: number): number => {
+      const nextIndex = index + step;
+      if (helperRefs[nextIndex]?.current) return nextIndex;
+      return findNextRef(nextIndex);
+    };
+    setStepHelper(findNextRef);
   };
 
   useEffect(() => {
     setError("");
-    setFilename(getDefaultReportName());
+    setFilename(defaultFilename);
     setComment("");
   }, [openModal]);
 
@@ -155,31 +243,41 @@ const DownloadReport: FC<Props> = ({ fetchUrl }) => {
           <div className="vm-download-report">
             <div className="vm-download-report-settings">
               <div ref={filenameRef}>
+                <div className="vm-download-report-settings__title">Filename</div>
                 <TextField
-                  label="Filename"
                   value={filename}
                   onChange={setFilename}
                 />
               </div>
-              <div ref={commentRef}>
+              <div ref={titleRef}>
+                <div className="vm-download-report-settings__title">Report title</div>
                 <TextField
-                  type="textarea"
-                  label="Comment"
+                  value={title}
+                  onChange={setTitle}
+                />
+              </div>
+              <div ref={commentRef}>
+                <div className="vm-download-report-settings__title">Comment</div>
+                <MarkdownEditor
                   value={comment}
                   onChange={setComment}
                 />
               </div>
-              <div ref={traceRef}>
-                <Checkbox
-                  checked={trace}
-                  onChange={setTrace}
-                  label={"Include query trace"}
-                />
-              </div>
-              <Alert variant="info">
-                If confused with the query results,
-                try viewing the raw samples for selected series in <RawQueryLink/> tab.
-              </Alert>
+              {reportType === ReportType.QUERY_DATA && (
+                <>
+                  <div ref={traceRef}>
+                    <Checkbox
+                      checked={trace}
+                      onChange={setTrace}
+                      label={"Include query trace"}
+                    />
+                  </div>
+                  <Alert variant="info">
+                    If confused with the query results,
+                    try viewing the raw samples for selected series in <RawQueryLink/> tab.
+                  </Alert>
+                </>
+              )}
             </div>
             {error && <Alert variant="error">{error}</Alert>}
             <div className="vm-download-report__buttons">

app/vmui/packages/vmui/src/pages/CustomPanel/DownloadReport/helperText.tsx

@@ -11,6 +11,18 @@ const filename = (
   </>
 );
 
+const tittle = (
+  <>
+    <p>Title - specify the title that will be displayed on the <Link
+      to={router.queryAnalyzer}
+      target="_blank"
+      rel="noreferrer"
+      className="vm-link vm-link_underlined"
+    >{routerOptions[router.queryAnalyzer].title}</Link> page.</p>
+    <p>This helps identify your report in the interface.</p>
+  </>
+);
+
 const comment = (
   <>
     <p>Comment (optional) - add a comment to your report.</p>
@@ -39,6 +51,7 @@ const generate = (
 
 export default [
   filename,
+  tittle,
   comment,
   trace,
   generate,

app/vmui/packages/vmui/src/pages/CustomPanel/DownloadReport/style.scss

@@ -9,10 +9,15 @@
 
   &-settings {
     display: grid;
-    gap: $padding-global;
+    gap: $padding-large;
 
-    textarea {
-      min-height: 200px;
+    &__title {
+      display: flex;
+      align-items: center;
+      margin-right: $padding-global;
+      font-size: $font-size;
+      font-weight: 600;
+      white-space: nowrap;
     }
   }
 
@@ -34,7 +39,7 @@
       line-height: 1.3;
 
       p {
-        margin-bottom: calc($padding-small/2);
+        margin-bottom: calc($padding-small / 2);
       }
     }
 

app/vmui/packages/vmui/src/pages/CustomPanel/QueryConfigurator/QueryConfigurator.tsx

@@ -25,6 +25,7 @@ import { QueryStats } from "../../../api/types";
 import { usePrettifyQuery } from "./hooks/usePrettifyQuery";
 import QueryHistory from "../QueryHistory/QueryHistory";
 import AnomalyConfig from "../../../components/ExploreAnomaly/AnomalyConfig";
+import QueryEditorAutocomplete from "../../../components/Configurators/QueryEditor/QueryEditorAutocomplete";
 
 export interface QueryConfiguratorProps {
   queryErrors: string[];
@@ -216,6 +217,7 @@ const QueryConfigurator: FC<QueryConfiguratorProps> = ({
           <QueryEditor
             value={stateQuery[i]}
             autocomplete={!hideButtons?.autocomplete && (autocomplete || autocompleteQuick)}
+            autocompleteEl={QueryEditorAutocomplete}
             error={queryErrors[i]}
             stats={stats[i]}
             onArrowUp={createHandlerArrow(-1, i)}

app/vmui/packages/vmui/src/pages/ExploreLogs/ExploreLogsHeader/ExploreLogsHeader.tsx

@@ -6,6 +6,9 @@ import useDeviceDetect from "../../../hooks/useDeviceDetect";
 import Button from "../../../components/Main/Button/Button";
 import QueryEditor from "../../../components/Configurators/QueryEditor/QueryEditor";
 import TextField from "../../../components/Main/TextField/TextField";
+import LogsQueryEditorAutocomplete from "../../../components/Configurators/QueryEditor/LogsQL/LogsQueryEditorAutocomplete";
+import { useQueryDispatch, useQueryState } from "../../../state/query/QueryStateContext";
+import Switch from "../../../components/Main/Switch/Switch";
 
 export interface ExploreLogHeaderProps {
   query: string;
@@ -27,6 +30,8 @@ const ExploreLogsHeader: FC<ExploreLogHeaderProps> = ({
   onRun,
 }) => {
   const { isMobile } = useDeviceDetect();
+  const { autocomplete } = useQueryState();
+  const queryDispatch = useQueryDispatch();
 
   const [errorLimit, setErrorLimit] = useState("");
   const [limitInput, setLimitInput] = useState(limit);
@@ -42,6 +47,10 @@ const ExploreLogsHeader: FC<ExploreLogHeaderProps> = ({
     }
   };
 
+  const onChangeAutocomplete = () => {
+    queryDispatch({ type: "TOGGLE_AUTOCOMPLETE" });
+  };
+
   useEffect(() => {
     setLimitInput(limit);
   }, [limit]);
@@ -57,7 +66,8 @@ const ExploreLogsHeader: FC<ExploreLogHeaderProps> = ({
       <div className="vm-explore-logs-header-top">
         <QueryEditor
           value={query}
-          autocomplete={false}
+          autocomplete={autocomplete}
+          autocompleteEl={LogsQueryEditorAutocomplete}
           onArrowUp={() => null}
           onArrowDown={() => null}
           onEnter={onRun}
@@ -75,7 +85,14 @@ const ExploreLogsHeader: FC<ExploreLogHeaderProps> = ({
         />
       </div>
       <div className="vm-explore-logs-header-bottom">
-        <div className="vm-explore-logs-header-bottom-contols"></div>
+        <div className="vm-explore-logs-header-bottom-contols">
+          <Switch
+            label={"Autocomplete"}
+            value={autocomplete}
+            onChange={onChangeAutocomplete}
+            fullWidth={isMobile}
+          />
+        </div>
         <div className="vm-explore-logs-header-bottom-helpful">
           <a
             className="vm-link vm-link_with-icon"

app/vmui/packages/vmui/src/pages/ExploreLogs/ExploreLogsHeader/style.scss

@@ -26,6 +26,9 @@
     }
 
     &-contols {
+      display: flex;
+      align-items: center;
+      justify-content: flex-start;
       flex-grow: 1;
     }
 

app/vmui/packages/vmui/src/pages/QueryAnalyzer/QueryAnalyzerInfo/QueryAnalyzerInfo.tsx

@@ -1,13 +1,20 @@
 import React, { FC, useMemo } from "preact/compat";
 import { DataAnalyzerType } from "../index";
-import Button from "../../../components/Main/Button/Button";
-import { ClockIcon, InfoIcon, TimelineIcon } from "../../../components/Main/Icons";
-import useBoolean from "../../../hooks/useBoolean";
-import Modal from "../../../components/Main/Modal/Modal";
+import {
+  ClockIcon,
+  CommentIcon,
+  InfoIcon,
+  TimelineIcon
+} from "../../../components/Main/Icons";
 import { TimeParams } from "../../../types";
 import "./style.scss";
 import dayjs from "dayjs";
 import { DATE_TIME_FORMAT } from "../../../constants/date";
+import useBoolean from "../../../hooks/useBoolean";
+import Modal from "../../../components/Main/Modal/Modal";
+import { marked } from "marked";
+import Button from "../../../components/Main/Button/Button";
+import get from "lodash.get";
 
 type Props = {
   data: DataAnalyzerType[];
@@ -15,8 +22,23 @@ type Props = {
 }
 
 const QueryAnalyzerInfo: FC<Props> = ({ data, period }) => {
-  const dataWithStats = useMemo(() => data.filter(d => d.stats && d.data.resultType === "matrix"), [data]);
-  const comment = useMemo(() => data.find(d => d?.vmui?.comment)?.vmui?.comment, [data]);
+  const dataWithStats = useMemo(() => data.filter(d => d.vmui || d.stats), [data]);
+  const title = dataWithStats.find(d => d?.vmui?.title)?.vmui?.title || "Report";
+  const comment = dataWithStats.find(d => d?.vmui?.comment)?.vmui?.comment;
+
+  const table = useMemo(() => {
+    return [
+      "vmui.endpoint",
+      ...new Set(dataWithStats.flatMap(d => [
+        ...Object.keys(d.vmui?.params || []).map(key => `vmui.params.${key}`),
+        ...Object.keys(d.stats || []).map(key => `stats.${key}`),
+        "isPartial"
+      ]))
+    ].map(key => ({
+      column: key.split(".").pop(),
+      values: dataWithStats.map(data => get(data, key, "-"))
+    })).filter(({ values }) => values.length && values.every(v => v !== "-"));
+  }, [dataWithStats]);
 
   const timeRange = useMemo(() => {
     if (!period) return "";
@@ -34,59 +56,80 @@ const QueryAnalyzerInfo: FC<Props> = ({ data, period }) => {
   return (
     <>
       <div className="vm-query-analyzer-info-header">
-        <Button
-          startIcon={<InfoIcon/>}
-          variant="outlined"
-          color="warning"
-          onClick={handleOpenModal}
-        >
-            Show report info
-        </Button>
-        {period && (
-          <>
-            <div className="vm-query-analyzer-info-header__period">
-              <TimelineIcon/> step: {period.step}
-            </div>
-            <div className="vm-query-analyzer-info-header__period">
-              <ClockIcon/> {timeRange}
-            </div>
-          </>
+        <h1 className="vm-query-analyzer-info-header__title">{title}</h1>
+        {timeRange && (
+          <div className="vm-query-analyzer-info-header__timerange">
+            <ClockIcon/> {timeRange}
+          </div>
+        )}
+        {period?.step && (
+          <div className="vm-query-analyzer-info-header__timerange">
+            <TimelineIcon/> step {period.step}
+          </div>
+        )}
+        {(comment || !!table.length) && (
+          <div className="vm-query-analyzer-info-header__info">
+            <Button
+              startIcon={<InfoIcon/>}
+              variant="outlined"
+              color="warning"
+              onClick={handleOpenModal}
+            >
+              Show stats{comment && " & comments"}
+            </Button>
+          </div>
         )}
       </div>
-
       {openModal && (
         <Modal
-          title="Report info"
+          title={title}
           onClose={handleCloseModal}
         >
-          <div className="vm-query-analyzer-info">
-            {comment && (
-              <div className="vm-query-analyzer-info-item vm-query-analyzer-info-item_comment">
-                <div className="vm-query-analyzer-info-item__title">Comment:</div>
-                <div className="vm-query-analyzer-info-item__text">{comment}</div>
+          <div className="vm-query-analyzer-info__modal">
+            {!!table.length && (
+              <div className="vm-query-analyzer-info-stats">
+                <div className="vm-query-analyzer-info-comment-header">
+                  <InfoIcon/>
+                  Stats
+                </div>
+                <table>
+                  <thead>
+                    <tr>
+                      {table.map(({ column }) => (
+                        <th key={column}>
+                          {column}
+                        </th>
+                      ))}
+                    </tr>
+                  </thead>
+
+                  <tbody>
+                    {table[0]?.values.map((_, rowIndex) => (
+                      <tr key={rowIndex}>
+                        {table.map(({ values }, j) => (
+                          <td key={j}>
+                            {values[rowIndex]}
+                          </td>
+                        ))}
+                      </tr>
+                    ))}
+                  </tbody>
+                </table>
               </div>
             )}
-            {dataWithStats.map((d, i) => (
-              <div
-                className="vm-query-analyzer-info-item"
-                key={i}
-              >
-                <div className="vm-query-analyzer-info-item__title">
-                  {dataWithStats.length > 1 ? `Query ${i + 1}:` : "Stats:"}
-                </div>
-                <div className="vm-query-analyzer-info-item__text">
-                  {Object.entries(d.stats || {}).map(([key, value]) => (
-                    <div key={key}>
-                      {key}: {value ?? "-"}
-                    </div>
-                  ))}
-                  isPartial: {String(d.isPartial ?? "-")}
+
+            {comment && (
+              <div className="vm-query-analyzer-info-comment">
+                <div className="vm-query-analyzer-info-comment-header">
+                  <CommentIcon/>
+                  Comments
                 </div>
+                <div
+                  className="vm-query-analyzer-info-comment-body vm-markdown"
+                  dangerouslySetInnerHTML={{ __html: (marked(comment) as string) || comment }}
+                />
               </div>
-            ))}
-            <div className="vm-query-analyzer-info-type">
-              {dataWithStats[0]?.vmui?.params ? "The report was created using vmui" : "The report was created manually"}
-            </div>
+            )}
           </div>
         </Modal>
       )}

app/vmui/packages/vmui/src/pages/QueryAnalyzer/QueryAnalyzerInfo/style.scss

@@ -1,47 +1,115 @@
 @use "src/styles/variables" as *;
 
-.vm-query-analyzer-info-header {
-  display: flex;
-  gap: $padding-global;
+.vm-query-analyzer-info {
 
-  &__period {
+  &-header {
     display: flex;
     align-items: center;
+    width: 100%;
+    height: 100%;
     gap: $padding-small;
-    border: $border-divider;
-    border-radius: $border-radius-small;
-    padding: 6px $padding-global;
-
-    svg {
-      width: calc($font-size-small + 1px);
-      color: $color-primary;
-    }
-  }
-}
-
-.vm-query-analyzer-info {
-  display: grid;
-  gap: $padding-large;
-  min-width: 300px;
-
-  &-type {
-    text-align: center;
-    font-style: italic;
-    color: $color-text-secondary;
-  }
-
-  &-item {
-    display: grid;
-    padding-bottom: $padding-large;
-    border-bottom: $border-divider;
-    line-height: 130%;
+    font-size: $font-size-small;
+    background-color: $color-background-body;
+    z-index: 1;
 
     &__title {
-      font-weight: bold;
+      font-size: $font-size-large;
+      font-weight: 500;
     }
 
-    &__text {
-      white-space: pre-wrap;
+    &__timerange {
+      display: flex;
+      align-items: center;
+      gap: calc($padding-small / 2);
+      border: $border-divider;
+      border-radius: $border-radius-small;
+      padding: calc($padding-small / 2) $padding-small;
+      font-size: $font-size-small;
+
+      svg {
+        width: calc($font-size-small + 1px);
+        color: $color-primary;
+      }
+    }
+
+    &__info {
+      margin-left: auto;
+      margin-right: 0;
+    }
+  }
+
+  &__modal {
+    width: min(800px, 90vw);
+  }
+
+  &-comment {
+    position: relative;
+    max-width: 800px;
+    border-radius: $border-radius-medium;
+    border: $border-divider;
+    font-size: $font-size-small;
+
+    &-header {
+      display: grid;
+      grid-template-columns: 16px 1fr;
+      align-items: center;
+      gap: $padding-small;
+      padding: $padding-small;
+      border-bottom: $border-divider;
+      background-color: $color-hover-black;
+      font-weight: 500;
+      z-index: 1;
+
+      svg {
+        color: $color-primary;
+      }
+    }
+
+    &-body {
+      padding: $padding-small;
+      max-height: 60vh;
+      overflow: auto;
+    }
+  }
+
+  &-stats {
+    border-radius: $border-radius-medium;
+    border: $border-divider;
+    font-size: $font-size-small;
+    margin-bottom: $padding-global;
+    overflow: hidden;
+
+    table {
+      width: 100%;
+    }
+
+    td, th {
+      padding: $padding-small;
+      text-align: left;
+    }
+
+    tr {
+      border-bottom: $border-divider;
+    }
+
+    thead {
+      th {
+        font-weight: 500;
+      }
+    }
+
+    tbody {
+      tr {
+        transition: background-color 0.3s;
+
+        &:hover {
+          background-color: $color-hover-black;
+        }
+
+        &:last-child {
+          border-bottom: none;
+        }
+      }
     }
   }
 }

app/vmui/packages/vmui/src/pages/QueryAnalyzer/index.tsx

@@ -9,8 +9,9 @@ import useBoolean from "../../hooks/useBoolean";
 import UploadJsonButtons from "../../components/UploadJsonButtons/UploadJsonButtons";
 import JsonForm from "./JsonForm/JsonForm";
 import "../TracePage/style.scss";
+import "./style.scss";
 import QueryAnalyzerView from "./QueryAnalyzerView/QueryAnalyzerView";
-import { InstantMetricResult, MetricResult, TracingData } from "../../api/types";
+import { InstantMetricResult, MetricResult, ReportMetaData, TracingData } from "../../api/types";
 import QueryAnalyzerInfo from "./QueryAnalyzerInfo/QueryAnalyzerInfo";
 import { TimeParams } from "../../types";
 import { dateFromSeconds, formatDateToUTC, humanizeSeconds } from "../../utils/time";
@@ -21,15 +22,8 @@ export type DataAnalyzerType = {
     resultType: "vector" | "matrix";
     result: MetricResult[] | InstantMetricResult[]
   };
-  stats?: {
-    seriesFetched?: string;
-    executionTimeMsec?: number
-  };
-  vmui?: {
-    id: number;
-    comment: string;
-    params: Record<string, string>;
-  };
+  stats?: Record<string, string>;
+  vmui?: ReportMetaData;
   status: string;
   trace?: TracingData;
   isPartial?: boolean;
@@ -92,10 +86,12 @@ const QueryAnalyzer: FC = () => {
         setData(response);
       } else {
         setError("Invalid structure - JSON does not match the expected format");
+        setData([]);
       }
     } catch (e) {
       if (e instanceof Error) {
         setError(`${e.name}: ${e.message}`);
+        setData([]);
       }
     }
   };
@@ -129,33 +125,16 @@ const QueryAnalyzer: FC = () => {
   }, [files]);
 
   return (
-    <div className="vm-trace-page">
+    <div className="vm-query-analyzer">
       {hasData && (
-        <div className="vm-trace-page-header">
-          <div className="vm-trace-page-header-errors">
-            <QueryAnalyzerInfo
-              data={data}
-              period={period}
-            />
-          </div>
-          <div>
-            <UploadJsonButtons
-              onOpenModal={handleOpenModal}
-              onChange={handleChange}
-            />
-          </div>
-        </div>
-      )}
-
-      {error && (
-        <div className="vm-trace-page-header-errors-item vm-trace-page-header-errors-item_margin-bottom">
-          <Alert variant="error">{error}</Alert>
-          <Button
-            className="vm-trace-page-header-errors-item__close"
-            startIcon={<CloseIcon/>}
-            variant="text"
-            color="error"
-            onClick={handleCloseError}
+        <div className="vm-query-analyzer-header">
+          <QueryAnalyzerInfo
+            data={data}
+            period={period}
+          />
+          <UploadJsonButtons
+            onOpenModal={handleOpenModal}
+            onChange={handleChange}
           />
         </div>
       )}
@@ -185,6 +164,19 @@ const QueryAnalyzer: FC = () => {
         </div>
       )}
 
+      {error && (
+        <div className="vm-query-analyzer-error">
+          <Alert variant="error">{error}</Alert>
+          <Button
+            className="vm-query-analyzer-error__close"
+            startIcon={<CloseIcon/>}
+            variant="text"
+            color="error"
+            onClick={handleCloseError}
+          />
+        </div>
+      )}
+
       {openModal && (
         <Modal
           title="Paste JSON"

app/vmui/packages/vmui/src/pages/QueryAnalyzer/style.scss

@@ -0,0 +1,29 @@
+@use "src/styles/variables" as *;
+
+.vm-query-analyzer {
+  display: flex;
+  flex-direction: column;
+
+  @media (max-width: 768px) {
+    padding: $padding-medium 0;
+  }
+
+  &-header {
+    display: grid;
+    grid-template-columns: 1fr auto;
+    gap: $padding-global;
+    margin-bottom: $padding-global;
+  }
+
+  &-error {
+    position: relative;
+    margin: $padding-global 0;
+
+    &__close {
+      position: absolute;
+      top: $padding-small;
+      right: $padding-small;
+      z-index: 2;
+    }
+  }
+}

app/vmui/packages/vmui/src/pages/RawQueryPage/hooks/useFetchExport.ts

@@ -7,6 +7,7 @@ import { useAppState } from "../../../state/common/StateContext";
 import { useCustomPanelState } from "../../../state/customPanel/CustomPanelStateContext";
 import { isValidHttpUrl } from "../../../utils/url";
 import { getExportDataUrl } from "../../../api/query-range";
+import { parseLineToJSON } from "../../../utils/json";
 
 interface FetchQueryParams {
   hideQuery?: number[];
@@ -24,14 +25,6 @@ interface FetchQueryReturn {
   abortFetch: () => void
 }
 
-const parseLineToJSON = (line: string): ExportMetricResult | null => {
-  try {
-    return JSON.parse(line);
-  } catch (e) {
-    return null;
-  }
-};
-
 export const useFetchExport = ({ hideQuery, showAllSeries }: FetchQueryParams): FetchQueryReturn => {
   const { query } = useQueryState();
   const { period } = useTimeState();
@@ -62,7 +55,7 @@ export const useFetchExport = ({ hideQuery, showAllSeries }: FetchQueryParams):
     }
   }, [serverUrl, period, hideQuery, reduceMemUsage]);
 
-  const fetchData = useCallback(async ( { fetchUrl, stateSeriesLimits, showAllSeries }: {
+  const fetchData = useCallback(async ({ fetchUrl, stateSeriesLimits, showAllSeries }: {
     fetchUrl: string[];
     stateSeriesLimits: SeriesLimits;
     showAllSeries?: boolean;
@@ -99,12 +92,12 @@ export const useFetchExport = ({ hideQuery, showAllSeries }: FetchQueryParams):
           const lines = text.split("\n").filter(line => line);
           const lineLimited = lines.slice(0, freeTempSize).sort();
           lineLimited.forEach((line: string) => {
-            const jsonLine = parseLineToJSON(line);
+            const jsonLine = parseLineToJSON(line) as (ExportMetricResult | null);
             if (!jsonLine) return;
             tempData.push({
               group: counter,
               metric: jsonLine.metric,
-              values: jsonLine.values.map((value, index) => [(jsonLine.timestamps[index]/1000), value]),
+              values: jsonLine.values.map((value, index) => [(jsonLine.timestamps[index] / 1000), value]),
             } as MetricBase);
           });
           totalLength += lines.length;
@@ -119,7 +112,7 @@ export const useFetchExport = ({ hideQuery, showAllSeries }: FetchQueryParams):
     } catch (e) {
       setIsLoading(false);
       if (e instanceof Error && e.name !== "AbortError") {
-        setError(error);
+        setError(String(e));
         console.error(e);
       }
     }

app/vmui/packages/vmui/src/pages/RawQueryPage/index.tsx

@@ -17,6 +17,7 @@ import { DisplayType } from "../../types";
 import Hyperlink from "../../components/Main/Hyperlink/Hyperlink";
 import { CloseIcon } from "../../components/Main/Icons";
 import Button from "../../components/Main/Button/Button";
+import DownloadReport, { ReportType } from "../CustomPanel/DownloadReport/DownloadReport";
 
 const RawSamplesLink = () => (
   <Hyperlink
@@ -65,6 +66,7 @@ const RawQueryPage: FC = () => {
     queryErrors,
     setQueryErrors,
     abortFetch,
+    fetchUrl,
   } = useFetchExport({ hideQuery, showAllSeries });
 
   const controlsRef = useRef<HTMLDivElement>(null);
@@ -106,12 +108,22 @@ const RawQueryPage: FC = () => {
       {showPageDescription && (
         <Alert variant="info">
           <div className="vm-explore-metrics-header-description">
-            <p>
-              This page provides a dedicated view for querying and displaying <RawSamplesLink/> from VictoriaMetrics.
-              It expects only <TimeSeriesSelectorLink/> as a query argument.
-              Users often assume that the <QueryDataLink/> returns data exactly as stored,
-              but data samples and timestamps may be modified by the API.
-            </p>
+            <ul>
+              <li>
+                This page provides a dedicated view for querying and displaying <RawSamplesLink/> from VictoriaMetrics.
+              </li>
+              <li>
+                It expects only <TimeSeriesSelectorLink/> as a query argument.
+              </li>
+              <li>
+                Deduplication can only be disabled if it was previously enabled on the server
+                (<code>-dedup.minScrapeInterval</code>).
+              </li>
+              <li>
+                Users often assume that the <QueryDataLink/> returns data exactly as stored,
+                but data samples and timestamps may be modified by the API.
+              </li>
+            </ul>
             <Button
               variant="text"
               size="small"
@@ -146,6 +158,12 @@ const RawQueryPage: FC = () => {
           <div className="vm-custom-panel-body-header__tabs">
             <DisplayTypeSwitch tabFilter={(tab) => (tab.value !== DisplayType.table)}/>
           </div>
+          {data && (
+            <DownloadReport
+              fetchUrl={fetchUrl}
+              reportType={ReportType.RAW_DATA}
+            />
+          )}
         </div>
         <CustomPanelTabs
           graphData={data}

app/vmui/packages/vmui/src/pages/TracePage/style.scss

@@ -61,7 +61,8 @@
     display: flex;
     flex-direction: column;
     align-items: center;
-    justify-content: center;
+    justify-content: flex-end;
+    min-height: calc(($vh * 50) - var(--scrollbar-height));
 
     &__text {
       margin-bottom: $padding-global;

app/vmui/packages/vmui/src/state/logsPanel/reducer.ts

@@ -1,15 +1,20 @@
 import { getFromStorage, saveToStorage } from "../../utils/storage";
+import { LogsFiledValues } from "../../api/types";
+import { AUTOCOMPLETE_LIMITS } from "../../constants/queryAutocomplete";
 
 export interface LogsState {
   markdownParsing: boolean;
+  autocompleteCache: Map<string, LogsFiledValues[]>;
 }
 
 export type LogsAction =
   | { type: "SET_MARKDOWN_PARSING", payload: boolean }
+  | { type: "SET_AUTOCOMPLETE_CACHE", payload: { key: string, value: LogsFiledValues[] } }
 
 
 export const initialLogsState: LogsState = {
   markdownParsing: getFromStorage("LOGS_MARKDOWN") === "true",
+  autocompleteCache: new Map<string, LogsFiledValues[]>(),
 };
 
 export function reducer(state: LogsState, action: LogsAction): LogsState {
@@ -20,6 +25,18 @@ export function reducer(state: LogsState, action: LogsAction): LogsState {
         ...state,
         markdownParsing: action.payload
       };
+    case "SET_AUTOCOMPLETE_CACHE": {
+      if (state.autocompleteCache.size >= AUTOCOMPLETE_LIMITS.cacheLimit) {
+        const firstKey = state.autocompleteCache.keys().next().value;
+        state.autocompleteCache.delete(firstKey);
+      }
+      state.autocompleteCache.set(action.payload.key, action.payload.value);
+
+      return {
+        ...state,
+        autocompleteCache: state.autocompleteCache,
+      };
+    }
     default:
       throw new Error();
   }

app/vmui/packages/vmui/src/styles/components/markdown.scss

@@ -0,0 +1,139 @@
+@use "src/styles/variables" as *;
+
+.vm-markdown {
+  display: block;
+  line-height: 1.5;
+
+  pre,
+  code {
+    font-size: 1em;
+    font-family: $font-family-monospace
+  }
+
+  pre {
+    padding: .5em;
+    line-height: 1.25;
+    overflow-x: scroll;
+  }
+
+  a,
+  a:visited {
+    color: $color-primary;
+    text-decoration: underline;
+    cursor: pointer;
+  }
+
+  body {
+    line-height: 1.85;
+  }
+
+  p {
+    font-size: 1em;
+    margin-bottom: 1.3em;
+  }
+
+  h1, h2, h3, h4, h5, h6 {
+    margin: .5em 0 0.25em;
+    font-weight: inherit;
+    line-height: 1.42;
+  }
+
+  h1 {
+    font-size: 1.8em;
+  }
+
+  h2 {
+    font-size: 1.6em;
+  }
+
+  h3 {
+    font-size: 1.4em;
+  }
+
+  h4 {
+    font-size: 1.2em;
+  }
+
+  h5 {
+    font-size: 1em;
+  }
+
+  h6 {
+    font-size: 0.8em;
+  }
+
+  small {
+    font-size: 0.8em;
+  }
+
+  img,
+  canvas,
+  iframe,
+  video,
+  svg,
+  select,
+  textarea {
+    max-width: 100%;
+  }
+
+  pre {
+    background-color: $color-hover-black;
+  }
+
+  blockquote {
+    border-left: 3px solid rgba($color-black, 0.2);
+    padding-left: 1em;
+    opacity: 0.7;
+  }
+
+  ul, ol {
+    margin: 0.3em 0;
+    list-style-position: inside;
+
+    li {
+      margin-bottom: 0.3em;
+
+      ul, ol {
+        margin-left: 1em;
+      }
+    }
+  }
+
+  input[type="checkbox"] {
+    display: none;
+  }
+
+  th,
+  td {
+    padding: 0.2em 0.4em;
+  }
+
+  hr {
+    border-top: $border-divider;
+  }
+
+  strong {
+    font-weight: bold;
+  }
+
+  em {
+    font-style: italic;
+  }
+
+  del {
+    text-decoration: line-through;
+  }
+
+  code:not(pre code) {
+    display: inline;
+    vertical-align: middle;
+    background: $color-hover-black;
+    border-radius: $border-radius-small;
+    border: $border-divider;
+    tab-size: 4;
+    font-variant-ligatures: none;
+    padding: 0.12em 0.4em;
+    font-size: 0.9em;
+    white-space: nowrap;
+  }
+}

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

@@ -50,10 +50,6 @@ button {
   background: none;
 }
 
-strong {
-  letter-spacing: 1px;
-}
-
 input[type='file'] {
   opacity: 0;
   cursor: pointer;

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

@@ -10,6 +10,7 @@
 @forward "./components/table";
 @forward "./components/link";
 @forward "./components/dynamic-number";
+@forward "./components/markdown";
 
 :root {
   /* base palette */

app/vmui/packages/vmui/src/utils/json.ts

@@ -0,0 +1,7 @@
+export const parseLineToJSON = (line: string) => {
+  try {
+    return JSON.parse(line);
+  } catch (e) {
+    return null;
+  }
+};

app/vmui/packages/vmui/src/utils/url.ts

@@ -25,3 +25,13 @@ export const isEqualURLSearchParams = (params1: URLSearchParams, params2: URLSea
 
   return true;
 };
+
+export const getApiEndpoint = (url: string): string | null => {
+  try {
+    const match = url.match(/\/api\/v1\/[^?]+/);
+    return match ? match[0] : null;
+  } catch (error) {
+    console.error("Invalid URL:", error);
+    return null;
+  }
+};

apptest/client.go

@@ -128,7 +128,7 @@ func (app *ServesMetrics) GetMetric(t *testing.T, metricName string) float64 {
 			return res
 		}
 	}
-	t.Fatalf("metic not found: %s", metricName)
+	t.Fatalf("metric not found: %s", metricName)
 	return 0
 }