debug: [vmagent] log req header and resp header for scrape status code != 200

2026-05-20 02:06:31 +03:00 · 2024-12-24 21:36:01 +08:00
3291 changed files with 492028 additions and 129945 deletions
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -85,12 +85,12 @@ jobs:
          restore-keys: go-artifacts-${{ runner.os }}-${{ matrix.scenario }}-

      - name: Run tests
-        run: GOGC=10 make ${{ matrix.scenario}}
+        run: make ${{ matrix.scenario}}

      - name: Publish coverage
        uses: codecov/codecov-action@v5
        with:
-          files: ./coverage.txt
+          file: ./coverage.txt

  integration-test:
    name: integration-test
--- a/.github/workflows/sync-docs.yml
+++ b/.github/workflows/sync-docs.yml
@@ -5,7 +5,6 @@ on:
      - 'master'
    paths:
      - 'docs/**'
-      - '.github/workflows/docs.yaml'
  workflow_dispatch: {}
 permissions:
  contents: read  # This is required for actions/checkout and to commit back image update
@@ -18,40 +17,35 @@ jobs:
      - name: Code checkout
        uses: actions/checkout@v4
        with:
-          path: __vm
-
+          path: main
      - name: Checkout private code
        uses: actions/checkout@v4
        with:
          repository: VictoriaMetrics/vmdocs
          token: ${{ secrets.VM_BOT_GH_TOKEN }}
-          path: __vm-docs
-
+          path: docs
      - name: Import GPG key
        uses: crazy-max/ghaction-import-gpg@v6
-        id: import-gpg
        with:
          gpg_private_key: ${{ secrets.VM_BOT_GPG_PRIVATE_KEY }}
          passphrase: ${{ secrets.VM_BOT_PASSPHRASE }}
          git_user_signingkey: true
          git_commit_gpgsign: true
-          git_config_global: true
-
-      - name: Copy docs
-        id: update
+          workdir: docs
+      - name: Set short git commit SHA
+        id: vars
        run: |
-          find docs -type d -maxdepth 1 -mindepth 1 -exec \
-            sh -c 'rsync -zarvh --delete {}/ ../__vm-docs/content/$(basename {})/' \;
-          echo "SHORT_SHA=$(git rev-parse --short $GITHUB_SHA)" >> $GITHUB_OUTPUT
-        working-directory: __vm
-
-      - name: Push to vmdocs
+          calculatedSha=$(git rev-parse --short ${{ github.sha }})
+          echo "short_sha=$calculatedSha" >> $GITHUB_OUTPUT
+        working-directory: main
+      - name: update code and commit
        run: |
+          rm -rf content
+          cp -r ../main/docs content
+          make clean-after-copy
          git config --global user.name "${{ steps.import-gpg.outputs.email }}"
          git config --global user.email "${{ steps.import-gpg.outputs.email }}"
-          if [[ -n $(git status --porcelain) ]]; then
-            git add .
-            git commit -S -m "sync docs with VictoriaMetrics/VictoriaMetrics commit: ${{ steps.update.outputs.SHORT_SHA }}"
-            git push
-          fi
-        working-directory: __vm-docs
+          git add .
+          git commit -S -m "sync docs with VictoriaMetrics/VictoriaMetrics commit: ${{ steps.vars.outputs.short_sha }}"
+          git push
+        working-directory: docs
--- a/2
+++ b/2
@@ -175,7 +175,7 @@

   END OF TERMS AND CONDITIONS

-   Copyright 2019-2025 VictoriaMetrics, Inc.
+   Copyright 2019-2024 VictoriaMetrics, Inc.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
--- a/14
+++ b/14
@@ -18,7 +18,7 @@ TAR_OWNERSHIP ?= --owner=1000 --group=1000
 .PHONY: $(MAKECMDGOALS)

 include app/*/Makefile
-include codespell/Makefile
+include cspell/Makefile
 include docs/Makefile
 include deployment/*/Makefile
 include dashboards/Makefile
@@ -513,19 +513,19 @@ check-all: fmt vet golangci-lint govulncheck
 clean-checkers: remove-golangci-lint remove-govulncheck

 test:
-	go test ./lib/... ./app/...
+	DISABLE_FSYNC_FOR_TESTING=1 go test ./lib/... ./app/...

 test-race:
-	go test -race ./lib/... ./app/...
+	DISABLE_FSYNC_FOR_TESTING=1 go test -race ./lib/... ./app/...

 test-pure:
-	CGO_ENABLED=0 go test ./lib/... ./app/...
+	DISABLE_FSYNC_FOR_TESTING=1 CGO_ENABLED=0 go test ./lib/... ./app/...

 test-full:
-	go test -coverprofile=coverage.txt -covermode=atomic ./lib/... ./app/...
+	DISABLE_FSYNC_FOR_TESTING=1 go test -coverprofile=coverage.txt -covermode=atomic ./lib/... ./app/...

 test-full-386:
-	GOARCH=386 go test -coverprofile=coverage.txt -covermode=atomic ./lib/... ./app/...
+	DISABLE_FSYNC_FOR_TESTING=1 GOARCH=386 go test -coverprofile=coverage.txt -covermode=atomic ./lib/... ./app/...

 integration-test: victoria-metrics vmagent vmalert vmauth
 	go test ./apptest/... -skip="^TestCluster.*"
@@ -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 v1.64.7
+	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

 remove-golangci-lint:
 	rm -rf `which golangci-lint`
--- a/README.md
+++ b/README.md
@@ -1,14 +1,12 @@
 # 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/actions/workflows/main.yml/badge.svg?branch=master&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)
+[![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)

 <picture>
  <source srcset="docs/logo_white.webp" media="(prefers-color-scheme: dark)">
@@ -22,7 +20,7 @@ Here are some resources and information about VictoriaMetrics:

 - Documentation: [docs.victoriametrics.com](https://docs.victoriametrics.com)
 - Case studies: [Grammarly, Roblox, Wix,...](https://docs.victoriametrics.com/casestudies/).
- Available: [Binary releases](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/latest), docker images [Docker Hub](https://hub.docker.com/r/victoriametrics/victoria-metrics/) and [Quay](https://quay.io/repository/victoriametrics/victoria-metrics), [Source code](https://github.com/VictoriaMetrics/VictoriaMetrics)
+- Available: [Binary releases](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/latest), [Docker images](https://hub.docker.com/r/victoriametrics/victoria-metrics/), [Source code](https://github.com/VictoriaMetrics/VictoriaMetrics)
 - Deployment types: [Single-node version](https://docs.victoriametrics.com/), [Cluster version](https://docs.victoriametrics.com/cluster-victoriametrics/), and [Enterprise version](https://docs.victoriametrics.com/enterprise/)
 - Changelog: [CHANGELOG](https://docs.victoriametrics.com/changelog/), and [How to upgrade](https://docs.victoriametrics.com/#how-to-upgrade-victoriametrics)
 - Community: [Slack](https://slack.victoriametrics.com/), [X (Twitter)](https://x.com/VictoriaMetrics), [LinkedIn](https://www.linkedin.com/company/victoriametrics/), [YouTube](https://www.youtube.com/@VictoriaMetrics)
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -8,7 +8,7 @@ The following versions of VictoriaMetrics receive regular security fixes:
 |---------|--------------------|
 | [latest release](https://docs.victoriametrics.com/changelog/) | :white_check_mark: |
 | v1.102.x [LTS line](https://docs.victoriametrics.com/lts-releases/) | :white_check_mark: |
-| v1.110.x [LTS line](https://docs.victoriametrics.com/lts-releases/) | :white_check_mark: |
+| v1.97.x [LTS line](https://docs.victoriametrics.com/lts-releases/) | :white_check_mark: |
 | other releases  | :x:                |

 See [this page](https://victoriametrics.com/security/) for more details.
--- a/app/victoria-metrics/main.go
+++ b/app/victoria-metrics/main.go
@@ -42,10 +42,6 @@ var (
 		"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() {
@@ -90,10 +86,6 @@ 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)
--- a/app/vlinsert/datadog/datadog.go
+++ b/app/vlinsert/datadog/datadog.go
@@ -3,6 +3,7 @@ package datadog
 import (
 	"bytes"
 	"fmt"
+	"io"
 	"net/http"
 	"strconv"
 	"time"
@@ -10,22 +11,20 @@ import (
 	"github.com/VictoriaMetrics/metrics"
 	"github.com/valyala/fastjson"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"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"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
 )

 var (
-	datadogStreamFields = flagutil.NewArrayString("datadog.streamFields", "Comma-separated list of fields to use as log stream fields for logs ingested via DataDog protocol. "+
-		"See https://docs.victoriametrics.com/victorialogs/data-ingestion/datadog-agent/#stream-fields")
-	datadogIgnoreFields = flagutil.NewArrayString("datadog.ignoreFields", "Comma-separated list of fields to ignore for logs ingested via DataDog protocol. "+
-		"See https://docs.victoriametrics.com/victorialogs/data-ingestion/datadog-agent/#dropping-fields")
-
-	maxRequestSize = flagutil.NewBytes("datadog.maxRequestSize", 64*1024*1024, "The maximum size in bytes of a single DataDog request")
+	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
@@ -47,6 +46,7 @@ func datadogLogsIngestion(w http.ResponseWriter, r *http.Request) bool {
 	w.Header().Add("Content-Type", "application/json")
 	startTime := time.Now()
 	v2LogsRequestsTotal.Inc()
+	reader := r.Body

 	var ts int64
 	if tsValue := r.Header.Get("dd-message-timestamp"); tsValue != "" && tsValue != "0" {
@@ -61,7 +61,25 @@ func datadogLogsIngestion(w http.ResponseWriter, r *http.Request) bool {
 		ts = startTime.UnixNano()
 	}

-	cp, err := insertutil.GetCommonParams(r)
+	if r.Header.Get("Content-Encoding") == "gzip" {
+		zr, err := common.GetGzipReader(reader)
+		if err != nil {
+			httpserver.Errorf(w, r, "cannot read gzipped logs request: %s", err)
+			return true
+		}
+		defer common.PutGzipReader(zr)
+		reader = zr
+	}
+
+	wcr := writeconcurrencylimiter.GetReader(reader)
+	data, err := io.ReadAll(wcr)
+	writeconcurrencylimiter.PutReader(wcr)
+	if err != nil {
+		httpserver.Errorf(w, r, "cannot read request body: %s", err)
+		return true
+	}
+
+	cp, err := insertutils.GetCommonParams(r)
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return true
@@ -79,15 +97,11 @@ func datadogLogsIngestion(w http.ResponseWriter, r *http.Request) bool {
 		return true
 	}

-	encoding := r.Header.Get("Content-Encoding")
-	err = protoparserutil.ReadUncompressedData(r.Body, encoding, maxRequestSize, func(data []byte) error {
-		lmp := cp.NewLogMessageProcessor("datadog", false)
-		err := readLogsRequest(ts, data, lmp)
-		lmp.MustClose()
-		return err
-	})
+	lmp := cp.NewLogMessageProcessor("datadog")
+	err = readLogsRequest(ts, data, lmp)
+	lmp.MustClose()
 	if err != nil {
-		httpserver.Errorf(w, r, "cannot read DataDog protocol data: %s", err)
+		logger.Warnf("cannot decode log message in /api/v2/logs request: %s, stream fields: %s", err, cp.StreamFields)
 		return true
 	}

@@ -107,7 +121,7 @@ var (
 // datadog message field has two formats:
 //   - regular log message with string text
 //   - nested json format for serverless plugins
-//     which has the following format:
+//     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
@@ -170,7 +184,7 @@ func appendMsgFields(fields []logstorage.Field, v *fastjson.Value) ([]logstorage

 // readLogsRequest parses data according to DataDog logs format
 // https://docs.datadoghq.com/api/latest/logs/#send-logs
-func readLogsRequest(ts int64, data []byte, lmp insertutil.LogMessageProcessor) error {
+func readLogsRequest(ts int64, data []byte, lmp insertutils.LogMessageProcessor) error {
 	p := parserPool.Get()
 	defer parserPool.Put(p)
 	v, err := p.ParseBytes(data)
--- a/app/vlinsert/datadog/datadog_test.go
+++ b/app/vlinsert/datadog/datadog_test.go
@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 )

 func TestReadLogsRequestFailure(t *testing.T) {
@@ -13,7 +13,7 @@ func TestReadLogsRequestFailure(t *testing.T) {

 		ts := time.Now().UnixNano()

-		lmp := &insertutil.TestLogMessageProcessor{}
+		lmp := &insertutils.TestLogMessageProcessor{}
 		if err := readLogsRequest(ts, []byte(data), lmp); err == nil {
 			t.Fatalf("expecting non-empty error")
 		}
@@ -37,7 +37,7 @@ func TestReadLogsRequestSuccess(t *testing.T) {
 		for i := 0; i < rowsExpected; i++ {
 			timestampsExpected = append(timestampsExpected, ts)
 		}
-		lmp := &insertutil.TestLogMessageProcessor{}
+		lmp := &insertutils.TestLogMessageProcessor{}
 		if err := readLogsRequest(ts, []byte(data), lmp); err != nil {
 			t.Fatalf("unexpected error: %s", err)
 		}
--- a/app/vlinsert/elasticsearch/elasticsearch.go
+++ b/app/vlinsert/elasticsearch/elasticsearch.go
@@ -10,14 +10,14 @@ import (

 	"github.com/VictoriaMetrics/metrics"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bufferedwriter"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
 )

@@ -60,7 +60,7 @@ func RequestHandler(path string, w http.ResponseWriter, r *http.Request) bool {
 		return true
 	}
 	switch path {
-	case "/", "":
+	case "/":
 		switch r.Method {
 		case http.MethodGet:
 			// Return fake response for Elasticsearch ping request.
@@ -90,7 +90,7 @@ func RequestHandler(path string, w http.ResponseWriter, r *http.Request) bool {
 		startTime := time.Now()
 		bulkRequestsTotal.Inc()

-		cp, err := insertutil.GetCommonParams(r)
+		cp, err := insertutils.GetCommonParams(r)
 		if err != nil {
 			httpserver.Errorf(w, r, "%s", err)
 			return true
@@ -99,10 +99,10 @@ func RequestHandler(path string, w http.ResponseWriter, r *http.Request) bool {
 			httpserver.Errorf(w, r, "%s", err)
 			return true
 		}
-		lmp := cp.NewLogMessageProcessor("elasticsearch_bulk", true)
-		encoding := r.Header.Get("Content-Encoding")
+		lmp := cp.NewLogMessageProcessor("elasticsearch_bulk")
+		isGzip := r.Header.Get("Content-Encoding") == "gzip"
 		streamName := fmt.Sprintf("remoteAddr=%s, requestURI=%q", httpserver.GetQuotedRemoteAddr(r), r.RequestURI)
-		n, err := readBulkRequest(streamName, r.Body, encoding, cp.TimeField, cp.MsgFields, lmp)
+		n, err := readBulkRequest(streamName, r.Body, isGzip, cp.TimeField, cp.MsgFields, lmp)
 		lmp.MustClose()
 		if err != nil {
 			logger.Warnf("cannot decode log message #%d in /_bulk request: %s, stream fields: %s", n, err, cp.StreamFields)
@@ -131,19 +131,22 @@ var (
 	bulkRequestDuration = metrics.NewHistogram(`vl_http_request_duration_seconds{path="/insert/elasticsearch/_bulk"}`)
 )

-func readBulkRequest(streamName string, r io.Reader, encoding string, timeField string, msgFields []string, lmp insertutil.LogMessageProcessor) (int, error) {
+func readBulkRequest(streamName string, r io.Reader, isGzip bool, timeField string, msgFields []string, lmp insertutils.LogMessageProcessor) (int, error) {
 	// See https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-bulk.html

-	reader, err := protoparserutil.GetUncompressedReader(r, encoding)
-	if err != nil {
-		return 0, fmt.Errorf("cannot decode Elasticsearch protocol data: %w", err)
+	if isGzip {
+		zr, err := common.GetGzipReader(r)
+		if err != nil {
+			return 0, fmt.Errorf("cannot read gzipped _bulk request: %w", err)
+		}
+		defer common.PutGzipReader(zr)
+		r = zr
 	}
-	defer protoparserutil.PutUncompressedReader(reader)

-	wcr := writeconcurrencylimiter.GetReader(reader)
+	wcr := writeconcurrencylimiter.GetReader(r)
 	defer writeconcurrencylimiter.PutReader(wcr)

-	lr := insertutil.NewLineReader(streamName, wcr)
+	lr := insertutils.NewLineReader(streamName, wcr)

 	n := 0
 	for {
@@ -156,7 +159,7 @@ func readBulkRequest(streamName string, r io.Reader, encoding string, timeField
 	}
 }

-func readBulkLine(lr *insertutil.LineReader, timeField string, msgFields []string, lmp insertutil.LogMessageProcessor) (bool, error) {
+func readBulkLine(lr *insertutils.LineReader, timeField string, msgFields []string, lmp insertutils.LogMessageProcessor) (bool, error) {
 	var line []byte

 	// Read the command, must be "create" or "index"
@@ -228,7 +231,7 @@ func parseElasticsearchTimestamp(s string) (int64, error) {
 	}
 	if len(s) < len("YYYY-MM-DD") || s[len("YYYY")] != '-' {
 		// Try parsing timestamp in seconds or milliseconds
-		return insertutil.ParseUnixTimestamp(s)
+		return insertutils.ParseUnixTimestamp(s)
 	}
 	if len(s) == len("YYYY-MM-DD") {
 		t, err := time.Parse("2006-01-02", s)
--- a/app/vlinsert/elasticsearch/elasticsearch_test.go
+++ b/app/vlinsert/elasticsearch/elasticsearch_test.go
@@ -2,24 +2,20 @@ package elasticsearch

 import (
 	"bytes"
+	"compress/gzip"
 	"fmt"
-	"github.com/golang/snappy"
-	"github.com/klauspost/compress/gzip"
-	"github.com/klauspost/compress/zlib"
-	"github.com/klauspost/compress/zstd"
-	"io"
 	"testing"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 )

 func TestReadBulkRequest_Failure(t *testing.T) {
 	f := func(data string) {
 		t.Helper()

-		tlp := &insertutil.TestLogMessageProcessor{}
+		tlp := &insertutils.TestLogMessageProcessor{}
 		r := bytes.NewBufferString(data)
-		rows, err := readBulkRequest("test", r, "", "_time", []string{"_msg"}, tlp)
+		rows, err := readBulkRequest("test", r, false, "_time", []string{"_msg"}, tlp)
 		if err == nil {
 			t.Fatalf("expecting non-empty error")
 		}
@@ -37,15 +33,15 @@ foobar`)
 }

 func TestReadBulkRequest_Success(t *testing.T) {
-	f := func(data, encoding, timeField, msgField string, timestampsExpected []int64, resultExpected string) {
+	f := func(data, timeField, msgField string, timestampsExpected []int64, resultExpected string) {
 		t.Helper()

 		msgFields := []string{"non_existing_foo", msgField, "non_exiting_bar"}
-		tlp := &insertutil.TestLogMessageProcessor{}
+		tlp := &insertutils.TestLogMessageProcessor{}

 		// Read the request without compression
 		r := bytes.NewBufferString(data)
-		rows, err := readBulkRequest("test", r, "", timeField, msgFields, tlp)
+		rows, err := readBulkRequest("test", r, false, timeField, msgFields, tlp)
 		if err != nil {
 			t.Fatalf("unexpected error: %s", err)
 		}
@@ -57,12 +53,10 @@ func TestReadBulkRequest_Success(t *testing.T) {
 		}

 		// Read the request with compression
-		tlp = &insertutil.TestLogMessageProcessor{}
-		if encoding != "" {
-			data = compressData(data, encoding)
-		}
-		r = bytes.NewBufferString(data)
-		rows, err = readBulkRequest("test", r, encoding, timeField, msgFields, tlp)
+		tlp = &insertutils.TestLogMessageProcessor{}
+		compressedData := compressData(data)
+		r = bytes.NewBufferString(compressedData)
+		rows, err = readBulkRequest("test", r, true, timeField, msgFields, tlp)
 		if err != nil {
 			t.Fatalf("unexpected error: %s", err)
 		}
@@ -75,9 +69,9 @@ func TestReadBulkRequest_Success(t *testing.T) {
 	}

 	// Verify an empty data
-	f("", "gzip", "_time", "_msg", nil, "")
-	f("\n", "gzip", "_time", "_msg", nil, "")
-	f("\n\n", "gzip", "_time", "_msg", nil, "")
+	f("", "_time", "_msg", nil, "")
+	f("\n", "_time", "_msg", nil, "")
+	f("\n\n", "_time", "_msg", nil, "")

 	// Verify non-empty data
 	data := `{"create":{"_index":"filebeat-8.8.0"}}
@@ -88,35 +82,20 @@ func TestReadBulkRequest_Success(t *testing.T) {
 {"message":"xyz","@timestamp":"1686026893735","x":"y"}
 {"create":{"_index":"filebeat-8.8.0"}}
 {"message":"qwe rty","@timestamp":"1686026893"}
-{"create":{"_index":"filebeat-8.8.0"}}
-{"message":"qwe rty float","@timestamp":"1686026123.62"}
 `
 	timeField := "@timestamp"
 	msgField := "message"
-	timestampsExpected := []int64{1686026891735000000, 1686023292735000000, 1686026893735000000, 1686026893000000000, 1686026123620000000}
+	timestampsExpected := []int64{1686026891735000000, 1686023292735000000, 1686026893735000000, 1686026893000000000}
 	resultExpected := `{"log.offset":"71770","log.file.path":"/var/log/auth.log","_msg":"foobar"}
 {"_msg":"baz"}
 {"_msg":"xyz","x":"y"}
-{"_msg":"qwe rty"}
-{"_msg":"qwe rty float"}`
-	f(data, "zstd", timeField, msgField, timestampsExpected, resultExpected)
+{"_msg":"qwe rty"}`
+	f(data, timeField, msgField, timestampsExpected, resultExpected)
 }

-func compressData(s string, encoding string) string {
+func compressData(s string) string {
 	var bb bytes.Buffer
-	var zw io.WriteCloser
-	switch encoding {
-	case "gzip":
-		zw = gzip.NewWriter(&bb)
-	case "zstd":
-		zw, _ = zstd.NewWriter(&bb)
-	case "snappy":
-		zw = snappy.NewBufferedWriter(&bb)
-	case "deflate":
-		zw = zlib.NewWriter(&bb)
-	default:
-		panic(fmt.Errorf("%q encoding is not supported", encoding))
-	}
+	zw := gzip.NewWriter(&bb)
 	if _, err := zw.Write([]byte(s)); err != nil {
 		panic(fmt.Errorf("unexpected error when compressing data: %w", err))
 	}
--- a/app/vlinsert/elasticsearch/elasticsearch_timing_test.go
+++ b/app/vlinsert/elasticsearch/elasticsearch_timing_test.go
@@ -5,29 +5,20 @@ import (
 	"fmt"
 	"testing"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 )

 func BenchmarkReadBulkRequest(b *testing.B) {
-	b.Run("encoding:none", func(b *testing.B) {
-		benchmarkReadBulkRequest(b, "")
+	b.Run("gzip:off", func(b *testing.B) {
+		benchmarkReadBulkRequest(b, false)
 	})
-	b.Run("encoding:gzip", func(b *testing.B) {
-		benchmarkReadBulkRequest(b, "gzip")
-	})
-	b.Run("encoding:zstd", func(b *testing.B) {
-		benchmarkReadBulkRequest(b, "zstd")
-	})
-	b.Run("encoding:deflate", func(b *testing.B) {
-		benchmarkReadBulkRequest(b, "deflate")
-	})
-	b.Run("encoding:snappy", func(b *testing.B) {
-		benchmarkReadBulkRequest(b, "snappy")
+	b.Run("gzip:on", func(b *testing.B) {
+		benchmarkReadBulkRequest(b, true)
 	})
 }

-func benchmarkReadBulkRequest(b *testing.B, encoding string) {
+func benchmarkReadBulkRequest(b *testing.B, isGzip bool) {
 	data := `{"create":{"_index":"filebeat-8.8.0"}}
 {"@timestamp":"2023-06-06T04:48:11.735Z","log":{"offset":71770,"file":{"path":"/var/log/auth.log"}},"message":"foobar"}
 {"create":{"_index":"filebeat-8.8.0"}}
@@ -35,14 +26,14 @@ func benchmarkReadBulkRequest(b *testing.B, encoding string) {
 {"create":{"_index":"filebeat-8.8.0"}}
 {"message":"xyz","@timestamp":"2023-06-06T04:48:13.735Z","x":"y"}
 `
-	if encoding != "" {
-		data = compressData(data, encoding)
+	if isGzip {
+		data = compressData(data)
 	}
 	dataBytes := bytesutil.ToUnsafeBytes(data)

 	timeField := "@timestamp"
 	msgFields := []string{"message"}
-	blp := &insertutil.BenchmarkLogMessageProcessor{}
+	blp := &insertutils.BenchmarkLogMessageProcessor{}

 	b.ReportAllocs()
 	b.SetBytes(int64(len(data)))
@@ -50,7 +41,7 @@ func benchmarkReadBulkRequest(b *testing.B, encoding string) {
 		r := &bytes.Reader{}
 		for pb.Next() {
 			r.Reset(dataBytes)
-			_, err := readBulkRequest("test", r, encoding, timeField, msgFields, blp)
+			_, err := readBulkRequest("test", r, isGzip, timeField, msgFields, blp)
 			if err != nil {
 				panic(fmt.Errorf("unexpected error: %w", err))
 			}
--- a/app/vlinsert/insertutil/timestamp.go
+++ b/app/vlinsert/insertutil/timestamp.go
@@ -1,101 +0,0 @@
-package insertutil
-
-import (
-	"fmt"
-	"math"
-	"strconv"
-	"strings"
-	"time"
-
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
-)
-
-// ExtractTimestampFromFields extracts timestamp in nanoseconds from the field with the name timeField at fields.
-//
-// The value for the timeField is set to empty string after returning from the function,
-// so it could be ignored during data ingestion.
-//
-// The current timestamp is returned if fields do not contain a field with timeField name or if the timeField value is empty.
-func ExtractTimestampFromFields(timeField string, fields []logstorage.Field) (int64, error) {
-	for i := range fields {
-		f := &fields[i]
-		if f.Name != timeField {
-			continue
-		}
-		nsecs, err := parseTimestamp(f.Value)
-		if err != nil {
-			return 0, fmt.Errorf("cannot parse timestamp from field %q: %s", timeField, err)
-		}
-		f.Value = ""
-		if nsecs == 0 {
-			nsecs = time.Now().UnixNano()
-		}
-		return nsecs, nil
-	}
-	return time.Now().UnixNano(), nil
-}
-
-func parseTimestamp(s string) (int64, error) {
-	if s == "" || s == "0" {
-		return time.Now().UnixNano(), nil
-	}
-	if len(s) <= len("YYYY") || s[len("YYYY")] != '-' {
-		return ParseUnixTimestamp(s)
-	}
-	nsecs, ok := logstorage.TryParseTimestampRFC3339Nano(s)
-	if !ok {
-		return 0, fmt.Errorf("cannot unmarshal rfc3339 timestamp %q", s)
-	}
-	return nsecs, nil
-}
-
-// ParseUnixTimestamp parses s as unix timestamp in seconds, milliseconds, microseconds or nanoseconds and returns the parsed timestamp in nanoseconds.
-func ParseUnixTimestamp(s string) (int64, error) {
-	if strings.IndexByte(s, '.') >= 0 {
-		// Parse timestamp as floating-point value
-		f, err := strconv.ParseFloat(s, 64)
-		if err != nil {
-			return 0, fmt.Errorf("cannot parse unix timestamp from %q: %w", s, err)
-		}
-		if f < (1<<31) && f >= (-1<<31) {
-			// The timestamp is in seconds.
-			return int64(f * 1e9), nil
-		}
-		if f < 1e3*(1<<31) && f >= 1e3*(-1<<31) {
-			// The timestamp is in milliseconds.
-			return int64(f * 1e6), nil
-		}
-		if f < 1e6*(1<<31) && f >= 1e6*(-1<<31) {
-			// The timestamp is in microseconds.
-			return int64(f * 1e3), nil
-		}
-		// The timestamp is in nanoseconds
-		if f > math.MaxInt64 {
-			return 0, fmt.Errorf("too big timestamp in nanoseconds: %v; mustn't exceed %v", f, int64(math.MaxInt64))
-		}
-		if f < math.MinInt64 {
-			return 0, fmt.Errorf("too small timestamp in nanoseconds: %v; must be bigger or equal to %v", f, int64(math.MinInt64))
-		}
-		return int64(f), nil
-	}
-
-	// Parse timestamp as integer
-	n, err := strconv.ParseInt(s, 10, 64)
-	if err != nil {
-		return 0, fmt.Errorf("cannot parse unix timestamp from %q: %w", s, err)
-	}
-	if n < (1<<31) && n >= (-1<<31) {
-		// The timestamp is in seconds.
-		return n * 1e9, nil
-	}
-	if n < 1e3*(1<<31) && n >= 1e3*(-1<<31) {
-		// The timestamp is in milliseconds.
-		return n * 1e6, nil
-	}
-	if n < 1e6*(1<<31) && n >= 1e6*(-1<<31) {
-		// The timestamp is in microseconds.
-		return n * 1e3, nil
-	}
-	// The timestamp is in nanoseconds
-	return n, nil
-}
--- a/app/vlinsert/insertutil/timestamp_test.go
+++ b/app/vlinsert/insertutil/timestamp_test.go
@@ -1,158 +0,0 @@
-package insertutil
-
-import (
-	"testing"
-
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
-)
-
-func TestParseUnixTimestamp_Success(t *testing.T) {
-	f := func(s string, timestampExpected int64) {
-		t.Helper()
-
-		timestamp, err := ParseUnixTimestamp(s)
-		if err != nil {
-			t.Fatalf("unexpected error in ParseUnixTimestamp(%q): %s", s, err)
-		}
-		if timestamp != timestampExpected {
-			t.Fatalf("unexpected timestamp returned from ParseUnixTimestamp(%q); got %d; want %d", s, timestamp, timestampExpected)
-		}
-	}
-
-	f("0", 0)
-
-	// nanoseconds
-	f("-1234567890123456789", -1234567890123456789)
-	f("1234567890123456789", 1234567890123456789)
-
-	// microseconds
-	f("-1234567890123456", -1234567890123456000)
-	f("1234567890123456", 1234567890123456000)
-	f("1234567890123456.789", 1234567890123456768)
-
-	// milliseconds
-	f("-1234567890123", -1234567890123000000)
-	f("1234567890123", 1234567890123000000)
-	f("1234567890123.456", 1234567890123456000)
-
-	// seconds
-	f("-1234567890", -1234567890000000000)
-	f("1234567890", 1234567890000000000)
-	f("-1234567890.123456", -1234567890123456000)
-}
-
-func TestParseUnixTimestamp_Failure(t *testing.T) {
-	f := func(s string) {
-		t.Helper()
-
-		_, err := ParseUnixTimestamp(s)
-		if err == nil {
-			t.Fatalf("expecting non-nil error in ParseUnixTimestamp(%q)", s)
-		}
-	}
-
-	// non-numeric timestamp
-	f("")
-	f("foobar")
-	f("foo.bar")
-
-	// too big timestamp
-	f("12345678901234567890")
-	f("-12345678901234567890")
-	f("12345678901234567890.235424")
-	f("-12345678901234567890.235424")
-}
-
-func TestExtractTimestampFromFields_Success(t *testing.T) {
-	f := func(timeField string, fields []logstorage.Field, nsecsExpected int64) {
-		t.Helper()
-
-		nsecs, err := ExtractTimestampFromFields(timeField, fields)
-		if err != nil {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		if nsecs != nsecsExpected {
-			t.Fatalf("unexpected nsecs; got %d; want %d", nsecs, nsecsExpected)
-		}
-
-		for _, f := range fields {
-			if f.Name == timeField {
-				if f.Value != "" {
-					t.Fatalf("unexpected value for field %s; got %q; want %q", timeField, f.Value, "")
-				}
-			}
-		}
-	}
-
-	// UTC time
-	f("time", []logstorage.Field{
-		{Name: "foo", Value: "bar"},
-		{Name: "time", Value: "2024-06-18T23:37:20Z"},
-	}, 1718753840000000000)
-
-	// Time with timezone
-	f("time", []logstorage.Field{
-		{Name: "foo", Value: "bar"},
-		{Name: "time", Value: "2024-06-18T23:37:20+08:00"},
-	}, 1718725040000000000)
-
-	// SQL datetime format
-	f("time", []logstorage.Field{
-		{Name: "foo", Value: "bar"},
-		{Name: "time", Value: "2024-06-18 23:37:20.123-05:30"},
-	}, 1718773640123000000)
-
-	// Time with nanosecond precision
-	f("time", []logstorage.Field{
-		{Name: "time", Value: "2024-06-18T23:37:20.123456789-05:30"},
-		{Name: "foo", Value: "bar"},
-	}, 1718773640123456789)
-
-	// Unix timestamp in nanoseconds
-	f("time", []logstorage.Field{
-		{Name: "foo", Value: "bar"},
-		{Name: "time", Value: "1718773640123456789"},
-	}, 1718773640123456789)
-
-	// Unix timestamp in microseconds
-	f("time", []logstorage.Field{
-		{Name: "foo", Value: "bar"},
-		{Name: "time", Value: "1718773640123456"},
-	}, 1718773640123456000)
-
-	// Unix timestamp in milliseconds
-	f("time", []logstorage.Field{
-		{Name: "foo", Value: "bar"},
-		{Name: "time", Value: "1718773640123"},
-	}, 1718773640123000000)
-
-	// Unix timestamp in seconds
-	f("time", []logstorage.Field{
-		{Name: "foo", Value: "bar"},
-		{Name: "time", Value: "1718773640"},
-	}, 1718773640000000000)
-}
-
-func TestExtractTimestampFromFields_Error(t *testing.T) {
-	f := func(s string) {
-		t.Helper()
-
-		fields := []logstorage.Field{
-			{Name: "time", Value: s},
-		}
-		nsecs, err := ExtractTimestampFromFields("time", fields)
-		if err == nil {
-			t.Fatalf("expecting non-nil error")
-		}
-		if nsecs != 0 {
-			t.Fatalf("unexpected nsecs; got %d; want %d", nsecs, 0)
-		}
-	}
-
-	// invalid time
-	f("foobar")
-
-	// incomplete time
-	f("2024-06-18")
-	f("2024-06-18T23:37")
-}
--- a/app/vlinsert/insertutils/common_params.go
+++ b/app/vlinsert/insertutils/common_params.go
@@ -1,4 +1,4 @@
-package insertutil
+package insertutils

 import (
 	"flag"
@@ -13,7 +13,7 @@ import (

 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeutil"
@@ -49,13 +49,13 @@ func GetCommonParams(r *http.Request) (*CommonParams, error) {
 	}

 	timeField := "_time"
-	if tf := httputil.GetRequestValue(r, "_time_field", "VL-Time-Field"); tf != "" {
+	if tf := httputils.GetRequestValue(r, "_time_field", "VL-Time-Field"); tf != "" {
 		timeField = tf
 	}

-	msgFields := httputil.GetArray(r, "_msg_field", "VL-Msg-Field")
-	streamFields := httputil.GetArray(r, "_stream_fields", "VL-Stream-Fields")
-	ignoreFields := httputil.GetArray(r, "ignore_fields", "VL-Ignore-Fields")
+	msgFields := httputils.GetArray(r, "_msg_field", "VL-Msg-Field")
+	streamFields := httputils.GetArray(r, "_stream_fields", "VL-Stream-Fields")
+	ignoreFields := httputils.GetArray(r, "ignore_fields", "VL-Ignore-Fields")

 	extraFields, err := getExtraFields(r)
 	if err != nil {
@@ -63,7 +63,7 @@ func GetCommonParams(r *http.Request) (*CommonParams, error) {
 	}

 	debug := false
-	if dv := httputil.GetRequestValue(r, "debug", "VL-Debug"); dv != "" {
+	if dv := httputils.GetRequestValue(r, "debug", "VL-Debug"); dv != "" {
 		debug, err = strconv.ParseBool(dv)
 		if err != nil {
 			return nil, fmt.Errorf("cannot parse debug=%q: %w", dv, err)
@@ -92,7 +92,7 @@ func GetCommonParams(r *http.Request) (*CommonParams, error) {
 }

 func getExtraFields(r *http.Request) ([]logstorage.Field, error) {
-	efs := httputil.GetArray(r, "extra_fields", "VL-Extra-Fields")
+	efs := httputils.GetArray(r, "extra_fields", "VL-Extra-Fields")
 	if len(efs) == 0 {
 		return nil, nil
 	}
@@ -141,7 +141,7 @@ type LogMessageProcessor interface {
 	//
 	// If streamFields is non-nil, then the given streamFields must be used as log stream fields instead of pre-configured fields.
 	//
-	// The LogMessageProcessor implementation cannot hold references to fields, since the caller can reuse them.
+	// The LogMessageProcessor implementation cannot hold references to fields, since the caller can re-use them.
 	AddRow(timestamp int64, fields, streamFields []logstorage.Field)

 	// MustClose() must flush all the remaining fields and free up resources occupied by LogMessageProcessor.
@@ -191,22 +191,21 @@ func (lmp *logMessageProcessor) initPeriodicFlush() {
 //
 // If streamFields is non-nil, then it is used as log stream fields instead of the pre-configured stream fields.
 func (lmp *logMessageProcessor) AddRow(timestamp int64, fields, streamFields []logstorage.Field) {
+	lmp.mu.Lock()
+	defer lmp.mu.Unlock()
+
 	lmp.rowsIngestedTotal.Inc()
 	n := logstorage.EstimatedJSONRowLen(fields)
 	lmp.bytesIngestedTotal.Add(n)

 	if len(fields) > *MaxFieldsPerLine {
-		line := logstorage.MarshalFieldsToJSON(nil, fields)
-		logger.Warnf("dropping log line with %d fields; it exceeds -insert.maxFieldsPerLine=%d; %s", len(fields), *MaxFieldsPerLine, line)
+		rf := logstorage.RowFormatter(fields)
+		logger.Warnf("dropping log line with %d fields; it exceeds -insert.maxFieldsPerLine=%d; %s", len(fields), *MaxFieldsPerLine, rf)
 		rowsDroppedTotalTooManyFields.Inc()
 		return
 	}

-	lmp.mu.Lock()
-	defer lmp.mu.Unlock()
-
 	lmp.lr.MustAdd(lmp.cp.TenantID, timestamp, fields, streamFields)
-
 	if lmp.cp.Debug {
 		s := lmp.lr.GetRowString(0)
 		lmp.lr.ResetKeepSettings()
@@ -239,7 +238,7 @@ func (lmp *logMessageProcessor) MustClose() {
 // NewLogMessageProcessor returns new LogMessageProcessor for the given cp.
 //
 // MustClose() must be called on the returned LogMessageProcessor when it is no longer needed.
-func (cp *CommonParams) NewLogMessageProcessor(protocolName string, isStreamMode bool) LogMessageProcessor {
+func (cp *CommonParams) NewLogMessageProcessor(protocolName string) LogMessageProcessor {
 	lr := logstorage.GetLogRows(cp.StreamFields, cp.IgnoreFields, cp.ExtraFields, *defaultMsgValue)
 	rowsIngestedTotal := metrics.GetOrCreateCounter(fmt.Sprintf("vl_rows_ingested_total{type=%q}", protocolName))
 	bytesIngestedTotal := metrics.GetOrCreateCounter(fmt.Sprintf("vl_bytes_ingested_total{type=%q}", protocolName))
@@ -252,10 +251,7 @@ func (cp *CommonParams) NewLogMessageProcessor(protocolName string, isStreamMode

 		stopCh: make(chan struct{}),
 	}
-
-	if isStreamMode {
-		lmp.initPeriodicFlush()
-	}
+	lmp.initPeriodicFlush()

 	return lmp
 }
--- a/app/vlinsert/insertutils/flags.go
+++ b/app/vlinsert/insertutils/flags.go
@@ -1,4 +1,4 @@
-package insertutil
+package insertutils

 import (
 	"flag"
@@ -8,10 +8,8 @@ import (

 var (
 	// MaxLineSizeBytes is the maximum length of a single line for /insert/* handlers
-	MaxLineSizeBytes = flagutil.NewBytes("insert.maxLineSizeBytes", 256*1024, "The maximum size of a single line, which can be read by /insert/* handlers; "+
-		"see https://docs.victoriametrics.com/victorialogs/faq/#what-length-a-log-record-is-expected-to-have")
+	MaxLineSizeBytes = flagutil.NewBytes("insert.maxLineSizeBytes", 256*1024, "The maximum size of a single line, which can be read by /insert/* handlers")

 	// MaxFieldsPerLine is the maximum number of fields per line for /insert/* handlers
-	MaxFieldsPerLine = flag.Int("insert.maxFieldsPerLine", 1000, "The maximum number of log fields per line, which can be read by /insert/* handlers; "+
-		"see https://docs.victoriametrics.com/victorialogs/faq/#how-many-fields-a-single-log-entry-may-contain")
+	MaxFieldsPerLine = flag.Int("insert.maxFieldsPerLine", 1000, "The maximum number of log fields per line, which can be read by /insert/* handlers")
 )
--- a/app/vlinsert/insertutils/line_reader.go
+++ b/app/vlinsert/insertutils/line_reader.go
@@ -1,4 +1,4 @@
-package insertutil
+package insertutils

 import (
 	"bytes"
@@ -15,8 +15,6 @@ 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
@@ -28,9 +26,6 @@ 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

@@ -56,27 +51,26 @@ func NewLineReader(name string, r io.Reader) *LineReader {
 // Check for Err in this case.
 func (lr *LineReader) NextLine() bool {
 	for {
-		if lr.bufOffset >= len(lr.buf) {
+		if len(lr.buf) == 0 {
 			if lr.err != nil || lr.eofReached {
 				return false
 			}
 			if !lr.readMoreData() {
 				return false
 			}
-			if lr.bufOffset >= len(lr.buf) && lr.eofReached {
+			if len(lr.buf) == 0 && lr.eofReached {
 				return false
 			}
 		}

-		buf := lr.buf[lr.bufOffset:]
-		if n := bytes.IndexByte(buf, '\n'); n >= 0 {
-			lr.Line = buf[:n]
-			lr.bufOffset += n + 1
+		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:]...)
 			return true
 		}
 		if lr.eofReached {
-			lr.Line = buf
-			lr.bufOffset += len(buf)
+			lr.Line = append(lr.Line[:0], lr.buf...)
+			lr.buf = lr.buf[:0]
 			return true
 		}
 		if !lr.readMoreData() {
@@ -94,11 +88,6 @@ 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)
--- a/app/vlinsert/insertutils/line_reader_test.go
+++ b/app/vlinsert/insertutils/line_reader_test.go
@@ -1,4 +1,4 @@
-package insertutil
+package insertutils

 import (
 	"bytes"
--- a/app/vlinsert/insertutils/testutils.go
+++ b/app/vlinsert/insertutils/testutils.go
@@ -1,4 +1,4 @@
-package insertutil
+package insertutils

 import (
 	"fmt"
--- a/app/vlinsert/insertutils/timestamp.go
+++ b/app/vlinsert/insertutils/timestamp.go
@@ -0,0 +1,69 @@
+package insertutils
+
+import (
+	"fmt"
+	"math"
+	"strconv"
+	"time"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
+)
+
+// ExtractTimestampRFC3339NanoFromFields extracts RFC3339 timestamp in nanoseconds from the field with the name timeField at fields.
+//
+// The value for the timeField is set to empty string after returning from the function,
+// so it could be ignored during data ingestion.
+//
+// The current timestamp is returned if fields do not contain a field with timeField name or if the timeField value is empty.
+func ExtractTimestampRFC3339NanoFromFields(timeField string, fields []logstorage.Field) (int64, error) {
+	for i := range fields {
+		f := &fields[i]
+		if f.Name != timeField {
+			continue
+		}
+		nsecs, err := parseTimestamp(f.Value)
+		if err != nil {
+			return 0, fmt.Errorf("cannot parse timestamp from field %q: %s", timeField, err)
+		}
+		f.Value = ""
+		if nsecs == 0 {
+			nsecs = time.Now().UnixNano()
+		}
+		return nsecs, nil
+	}
+	return time.Now().UnixNano(), nil
+}
+
+func parseTimestamp(s string) (int64, error) {
+	if s == "" || s == "0" {
+		return time.Now().UnixNano(), nil
+	}
+	if len(s) <= len("YYYY") || s[len("YYYY")] != '-' {
+		return ParseUnixTimestamp(s)
+	}
+	nsecs, ok := logstorage.TryParseTimestampRFC3339Nano(s)
+	if !ok {
+		return 0, fmt.Errorf("cannot unmarshal rfc3339 timestamp %q", s)
+	}
+	return nsecs, nil
+}
+
+// ParseUnixTimestamp parses s as unix timestamp in either seconds or milliseconds and returns the parsed timestamp in nanoseconds.
+func ParseUnixTimestamp(s string) (int64, error) {
+	n, err := strconv.ParseInt(s, 10, 64)
+	if err != nil {
+		return 0, fmt.Errorf("cannot parse unix timestamp from %q: %w", s, err)
+	}
+	if n < (1<<31) && n >= (-1<<31) {
+		// The timestamp is in seconds. Convert it to milliseconds
+		n *= 1e3
+	}
+	if n > int64(math.MaxInt64)/1e6 {
+		return 0, fmt.Errorf("too big timestamp in milliseconds: %d; mustn't exceed %d", n, int64(math.MaxInt64)/1e6)
+	}
+	if n < int64(math.MinInt64)/1e6 {
+		return 0, fmt.Errorf("too small timestamp in milliseconds: %d; must be bigger than %d", n, int64(math.MinInt64)/1e6)
+	}
+	n *= 1e6
+	return n, nil
+}
--- a/app/vlinsert/insertutils/timestamp_test.go
+++ b/app/vlinsert/insertutils/timestamp_test.go
@@ -0,0 +1,88 @@
+package insertutils
+
+import (
+	"testing"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
+)
+
+func TestExtractTimestampRFC3339NanoFromFields_Success(t *testing.T) {
+	f := func(timeField string, fields []logstorage.Field, nsecsExpected int64) {
+		t.Helper()
+
+		nsecs, err := ExtractTimestampRFC3339NanoFromFields(timeField, fields)
+		if err != nil {
+			t.Fatalf("unexpected error: %s", err)
+		}
+		if nsecs != nsecsExpected {
+			t.Fatalf("unexpected nsecs; got %d; want %d", nsecs, nsecsExpected)
+		}
+
+		for _, f := range fields {
+			if f.Name == timeField {
+				if f.Value != "" {
+					t.Fatalf("unexpected value for field %s; got %q; want %q", timeField, f.Value, "")
+				}
+			}
+		}
+	}
+
+	// UTC time
+	f("time", []logstorage.Field{
+		{Name: "foo", Value: "bar"},
+		{Name: "time", Value: "2024-06-18T23:37:20Z"},
+	}, 1718753840000000000)
+
+	// Time with timezone
+	f("time", []logstorage.Field{
+		{Name: "foo", Value: "bar"},
+		{Name: "time", Value: "2024-06-18T23:37:20+08:00"},
+	}, 1718725040000000000)
+
+	// SQL datetime format
+	f("time", []logstorage.Field{
+		{Name: "foo", Value: "bar"},
+		{Name: "time", Value: "2024-06-18 23:37:20.123-05:30"},
+	}, 1718773640123000000)
+
+	// Time with nanosecond precision
+	f("time", []logstorage.Field{
+		{Name: "time", Value: "2024-06-18T23:37:20.123456789-05:30"},
+		{Name: "foo", Value: "bar"},
+	}, 1718773640123456789)
+
+	// Unix timestamp in milliseconds
+	f("time", []logstorage.Field{
+		{Name: "foo", Value: "bar"},
+		{Name: "time", Value: "1718773640123"},
+	}, 1718773640123000000)
+
+	// Unix timestamp in seconds
+	f("time", []logstorage.Field{
+		{Name: "foo", Value: "bar"},
+		{Name: "time", Value: "1718773640"},
+	}, 1718773640000000000)
+}
+
+func TestExtractTimestampRFC3339NanoFromFields_Error(t *testing.T) {
+	f := func(s string) {
+		t.Helper()
+
+		fields := []logstorage.Field{
+			{Name: "time", Value: s},
+		}
+		nsecs, err := ExtractTimestampRFC3339NanoFromFields("time", fields)
+		if err == nil {
+			t.Fatalf("expecting non-nil error")
+		}
+		if nsecs != 0 {
+			t.Fatalf("unexpected nsecs; got %d; want %d", nsecs, 0)
+		}
+	}
+
+	f("foobar")
+
+	// incomplete time
+	f("2024-06-18")
+	f("2024-06-18T23:37")
+}
--- a/app/vlinsert/journald/journald.go
+++ b/app/vlinsert/journald/journald.go
@@ -5,6 +5,7 @@ import (
 	"encoding/binary"
 	"flag"
 	"fmt"
+	"io"
 	"net/http"
 	"regexp"
 	"slices"
@@ -12,37 +13,39 @@ import (
 	"strings"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/encoding/zstd"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
 	"github.com/VictoriaMetrics/metrics"
 )

-// See https://github.com/systemd/systemd/blob/main/src/libsystemd/sd-journal/journal-file.c#L1703
-const journaldEntryMaxNameLen = 64
-
-var allowedJournaldEntryNameChars = regexp.MustCompile(`^[A-Z_][A-Z0-9_]*`)
-
-var (
-	journaldStreamFields = flagutil.NewArrayString("journald.streamFields", "Comma-separated list of fields to use as log stream fields for logs ingested over journald protocol. "+
-		"See https://docs.victoriametrics.com/victorialogs/data-ingestion/journald/#stream-fields")
-	journaldIgnoreFields = flagutil.NewArrayString("journald.ignoreFields", "Comma-separated list of fields to ignore for logs ingested over journald protocol. "+
-		"See https://docs.victoriametrics.com/victorialogs/data-ingestion/journald/#dropping-fields")
-	journaldTimeField = flag.String("journald.timeField", "__REALTIME_TIMESTAMP", "Field to use as a log timestamp for logs ingested via journald protocol. "+
-		"See https://docs.victoriametrics.com/victorialogs/data-ingestion/journald/#time-field")
-	journaldTenantID = flag.String("journald.tenantID", "0:0", "TenantID for logs ingested via the Journald endpoint. "+
-		"See https://docs.victoriametrics.com/victorialogs/data-ingestion/journald/#multitenancy")
-	journaldIncludeEntryMetadata = flag.Bool("journald.includeEntryMetadata", false, "Include journal entry fields, which with double underscores.")
-
-	maxRequestSize = flagutil.NewBytes("journald.maxRequestSize", 64*1024*1024, "The maximum size in bytes of a single journald request")
+const (
+	journaldEntryMaxNameLen = 64
 )

-func getCommonParams(r *http.Request) (*insertutil.CommonParams, error) {
-	cp, err := insertutil.GetCommonParams(r)
+var (
+	bodyBufferPool                bytesutil.ByteBufferPool
+	allowedJournaldEntryNameChars = regexp.MustCompile(`^[A-Z_][A-Z0-9_]+`)
+)
+
+var (
+	journaldStreamFields = flagutil.NewArrayString("journald.streamFields", "Journal fields to be used as stream fields. "+
+		"See the list of allowed fields at https://www.freedesktop.org/software/systemd/man/latest/systemd.journal-fields.html.")
+	journaldIgnoreFields = flagutil.NewArrayString("journald.ignoreFields", "Journal fields to ignore. "+
+		"See the list of allowed fields at https://www.freedesktop.org/software/systemd/man/latest/systemd.journal-fields.html.")
+	journaldTimeField = flag.String("journald.timeField", "__REALTIME_TIMESTAMP", "Journal field to be used as time field. "+
+		"See the list of allowed fields at https://www.freedesktop.org/software/systemd/man/latest/systemd.journal-fields.html.")
+	journaldTenantID             = flag.String("journald.tenantID", "0:0", "TenantID for logs ingested via the Journald endpoint.")
+	journaldIncludeEntryMetadata = flag.Bool("journald.includeEntryMetadata", false, "Include journal entry fields, which with double underscores.")
+)
+
+func getCommonParams(r *http.Request) (*insertutils.CommonParams, error) {
+	cp, err := insertutils.GetCommonParams(r)
 	if err != nil {
 		return nil, err
 	}
@@ -86,36 +89,45 @@ func handleJournald(r *http.Request, w http.ResponseWriter) {
 	startTime := time.Now()
 	requestsJournaldTotal.Inc()

-	cp, err := getCommonParams(r)
-	if err != nil {
-		errorsTotal.Inc()
-		httpserver.Errorf(w, r, "cannot parse common params from request: %s", err)
-		return
-	}
-
 	if err := vlstorage.CanWriteData(); err != nil {
-		errorsTotal.Inc()
 		httpserver.Errorf(w, r, "%s", err)
 		return
 	}

-	encoding := r.Header.Get("Content-Encoding")
-	err = protoparserutil.ReadUncompressedData(r.Body, encoding, maxRequestSize, func(data []byte) error {
-		lmp := cp.NewLogMessageProcessor("journald", false)
-		err := parseJournaldRequest(data, lmp, cp)
-		lmp.MustClose()
-		return err
-	})
+	reader := r.Body
+	var err error
+
+	wcr := writeconcurrencylimiter.GetReader(reader)
+	data, err := io.ReadAll(wcr)
 	if err != nil {
-		errorsTotal.Inc()
-		httpserver.Errorf(w, r, "cannot read journald protocol data: %s", err)
+		httpserver.Errorf(w, r, "cannot read request body: %s", err)
+		return
+	}
+	writeconcurrencylimiter.PutReader(wcr)
+	bb := bodyBufferPool.Get()
+	defer bodyBufferPool.Put(bb)
+	if r.Header.Get("Content-Encoding") == "zstd" {
+		bb.B, err = zstd.Decompress(bb.B[:0], data)
+		if err != nil {
+			httpserver.Errorf(w, r, "cannot decompress zstd-encoded request with length %d: %s", len(data), err)
+			return
+		}
+		data = bb.B
+	}
+	cp, err := getCommonParams(r)
+	if err != nil {
+		httpserver.Errorf(w, r, "cannot parse common params from request: %s", err)
 		return
 	}

-	// systemd starting release v258 will support compression, which starts working after negotiation: it expects supported compression
-	// algorithms list in Accept-Encoding response header in a format "<algorithm_1>[:<priority_1>][;<algorithm_2>:<priority_2>]"
-	// See https://github.com/systemd/systemd/pull/34822
-	w.Header().Set("Accept-Encoding", "zstd")
+	lmp := cp.NewLogMessageProcessor("journald")
+	err = parseJournaldRequest(data, lmp, cp)
+	lmp.MustClose()
+	if err != nil {
+		errorsTotal.Inc()
+		httpserver.Errorf(w, r, "cannot parse Journald protobuf request: %s", err)
+		return
+	}

 	// update requestJournaldDuration only for successfully parsed requests
 	// There is no need in updating requestJournaldDuration for request errors,
@@ -131,7 +143,7 @@ var (
 )

 // See https://systemd.io/JOURNAL_EXPORT_FORMATS/#journal-export-format
-func parseJournaldRequest(data []byte, lmp insertutil.LogMessageProcessor, cp *insertutil.CommonParams) error {
+func parseJournaldRequest(data []byte, lmp insertutils.LogMessageProcessor, cp *insertutils.CommonParams) error {
 	var fields []logstorage.Field
 	var ts int64
 	var size uint64
@@ -181,7 +193,7 @@ func parseJournaldRequest(data []byte, lmp insertutil.LogMessageProcessor, cp *i
 			if err != nil {
 				return fmt.Errorf("failed to extract binary field %q value size: %w", name, err)
 			}
-			// skip binary data size
+			// skip binary data sise
 			data = data[idx:]
 			if size == 0 {
 				return fmt.Errorf("unexpected zero binary data size decoded %d", size)
@@ -201,6 +213,7 @@ func parseJournaldRequest(data []byte, lmp insertutil.LogMessageProcessor, cp *i
 			}
 			data = data[1:]
 		}
+		// https://github.com/systemd/systemd/blob/main/src/libsystemd/sd-journal/journal-file.c#L1703
 		if len(name) > journaldEntryMaxNameLen {
 			return fmt.Errorf("journald entry name should not exceed %d symbols, got: %q", journaldEntryMaxNameLen, name)
 		}
--- a/app/vlinsert/journald/journald_test.go
+++ b/app/vlinsert/journald/journald_test.go
@@ -3,14 +3,14 @@ package journald
 import (
 	"testing"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 )

 func TestPushJournaldOk(t *testing.T) {
 	f := func(src string, timestampsExpected []int64, resultExpected string) {
 		t.Helper()
-		tlp := &insertutil.TestLogMessageProcessor{}
-		cp := &insertutil.CommonParams{
+		tlp := &insertutils.TestLogMessageProcessor{}
+		cp := &insertutils.CommonParams{
 			TimeField: "__REALTIME_TIMESTAMP",
 			MsgFields: []string{"MESSAGE"},
 		}
@@ -35,17 +35,17 @@ func TestPushJournaldOk(t *testing.T) {
 	)

 	// Parse binary data
-	f("__CURSOR=s=e0afe8412a6a49d2bfcf66aa7927b588;i=1f06;b=f778b6e2f7584a77b991a2366612a7b5;m=300bdfd420;t=62526e1182354;x=930dc44b370963b7\nE=JobStateChanged\n__REALTIME_TIMESTAMP=1729698775704404\n__MONOTONIC_TIMESTAMP=206357648416\n__SEQNUM=7942\n__SEQNUM_ID=e0afe8412a6a49d2bfcf66aa7927b588\n_BOOT_ID=f778b6e2f7584a77b991a2366612a7b5\n_UID=0\n_GID=0\n_MACHINE_ID=a4a970370c30a925df02a13c67167847\n_HOSTNAME=ecd5e4555787\n_RUNTIME_SCOPE=system\n_TRANSPORT=journal\n_CAP_EFFECTIVE=1ffffffffff\n_SYSTEMD_CGROUP=/init.scope\n_SYSTEMD_UNIT=init.scope\n_SYSTEMD_SLICE=-.slice\nCODE_FILE=<stdin>\nCODE_LINE=1\nCODE_FUNC=<module>\nSYSLOG_IDENTIFIER=python3\n_COMM=python3\n_EXE=/usr/bin/python3.12\n_CMDLINE=python3\nMESSAGE\n\x13\x00\x00\x00\x00\x00\x00\x00foo\nbar\n\n\nasda\nasda\n_PID=2763\n_SOURCE_REALTIME_TIMESTAMP=1729698775704375\n\n",
+	f("__CURSOR=s=e0afe8412a6a49d2bfcf66aa7927b588;i=1f06;b=f778b6e2f7584a77b991a2366612a7b5;m=300bdfd420;t=62526e1182354;x=930dc44b370963b7\n__REALTIME_TIMESTAMP=1729698775704404\n__MONOTONIC_TIMESTAMP=206357648416\n__SEQNUM=7942\n__SEQNUM_ID=e0afe8412a6a49d2bfcf66aa7927b588\n_BOOT_ID=f778b6e2f7584a77b991a2366612a7b5\n_UID=0\n_GID=0\n_MACHINE_ID=a4a970370c30a925df02a13c67167847\n_HOSTNAME=ecd5e4555787\n_RUNTIME_SCOPE=system\n_TRANSPORT=journal\n_CAP_EFFECTIVE=1ffffffffff\n_SYSTEMD_CGROUP=/init.scope\n_SYSTEMD_UNIT=init.scope\n_SYSTEMD_SLICE=-.slice\nCODE_FILE=<stdin>\nCODE_LINE=1\nCODE_FUNC=<module>\nSYSLOG_IDENTIFIER=python3\n_COMM=python3\n_EXE=/usr/bin/python3.12\n_CMDLINE=python3\nMESSAGE\n\x13\x00\x00\x00\x00\x00\x00\x00foo\nbar\n\n\nasda\nasda\n_PID=2763\n_SOURCE_REALTIME_TIMESTAMP=1729698775704375\n\n",
 		[]int64{1729698775704404000},
-		"{\"E\":\"JobStateChanged\",\"_BOOT_ID\":\"f778b6e2f7584a77b991a2366612a7b5\",\"_UID\":\"0\",\"_GID\":\"0\",\"_MACHINE_ID\":\"a4a970370c30a925df02a13c67167847\",\"_HOSTNAME\":\"ecd5e4555787\",\"_RUNTIME_SCOPE\":\"system\",\"_TRANSPORT\":\"journal\",\"_CAP_EFFECTIVE\":\"1ffffffffff\",\"_SYSTEMD_CGROUP\":\"/init.scope\",\"_SYSTEMD_UNIT\":\"init.scope\",\"_SYSTEMD_SLICE\":\"-.slice\",\"CODE_FILE\":\"\\u003cstdin>\",\"CODE_LINE\":\"1\",\"CODE_FUNC\":\"\\u003cmodule>\",\"SYSLOG_IDENTIFIER\":\"python3\",\"_COMM\":\"python3\",\"_EXE\":\"/usr/bin/python3.12\",\"_CMDLINE\":\"python3\",\"_msg\":\"foo\\nbar\\n\\n\\nasda\\nasda\",\"_PID\":\"2763\",\"_SOURCE_REALTIME_TIMESTAMP\":\"1729698775704375\"}",
+		"{\"_BOOT_ID\":\"f778b6e2f7584a77b991a2366612a7b5\",\"_UID\":\"0\",\"_GID\":\"0\",\"_MACHINE_ID\":\"a4a970370c30a925df02a13c67167847\",\"_HOSTNAME\":\"ecd5e4555787\",\"_RUNTIME_SCOPE\":\"system\",\"_TRANSPORT\":\"journal\",\"_CAP_EFFECTIVE\":\"1ffffffffff\",\"_SYSTEMD_CGROUP\":\"/init.scope\",\"_SYSTEMD_UNIT\":\"init.scope\",\"_SYSTEMD_SLICE\":\"-.slice\",\"CODE_FILE\":\"\\u003cstdin>\",\"CODE_LINE\":\"1\",\"CODE_FUNC\":\"\\u003cmodule>\",\"SYSLOG_IDENTIFIER\":\"python3\",\"_COMM\":\"python3\",\"_EXE\":\"/usr/bin/python3.12\",\"_CMDLINE\":\"python3\",\"_msg\":\"foo\\nbar\\n\\n\\nasda\\nasda\",\"_PID\":\"2763\",\"_SOURCE_REALTIME_TIMESTAMP\":\"1729698775704375\"}",
 	)
 }

 func TestPushJournald_Failure(t *testing.T) {
 	f := func(data string) {
 		t.Helper()
-		tlp := &insertutil.TestLogMessageProcessor{}
-		cp := &insertutil.CommonParams{
+		tlp := &insertutils.TestLogMessageProcessor{}
+		cp := &insertutils.CommonParams{
 			TimeField: "__REALTIME_TIMESTAMP",
 			MsgFields: []string{"MESSAGE"},
 		}
--- a/app/vlinsert/jsonline/jsonline.go
+++ b/app/vlinsert/jsonline/jsonline.go
@@ -6,12 +6,12 @@ import (
 	"net/http"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -28,7 +28,7 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) {

 	requestsTotal.Inc()

-	cp, err := insertutil.GetCommonParams(r)
+	cp, err := insertutils.GetCommonParams(r)
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
@@ -38,27 +38,37 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}

-	encoding := r.Header.Get("Content-Encoding")
-	reader, err := protoparserutil.GetUncompressedReader(r.Body, encoding)
-	if err != nil {
-		logger.Errorf("cannot decode jsonline request: %s", err)
-		return
+	reader := r.Body
+	if r.Header.Get("Content-Encoding") == "gzip" {
+		zr, err := common.GetGzipReader(reader)
+		if err != nil {
+			logger.Errorf("cannot read gzipped jsonline request: %s", err)
+			return
+		}
+		defer common.PutGzipReader(zr)
+		reader = zr
 	}
-	defer protoparserutil.PutUncompressedReader(reader)

-	lmp := cp.NewLogMessageProcessor("jsonline", true)
+	lmp := cp.NewLogMessageProcessor("jsonline")
 	streamName := fmt.Sprintf("remoteAddr=%s, requestURI=%q", httpserver.GetQuotedRemoteAddr(r), r.RequestURI)
-	processStreamInternal(streamName, reader, cp.TimeField, cp.MsgFields, lmp)
+	err = processStreamInternal(streamName, reader, cp.TimeField, cp.MsgFields, lmp)
 	lmp.MustClose()

-	requestDuration.UpdateDuration(startTime)
+	if err != nil {
+		logger.Errorf("jsonline: %s", err)
+	} else {
+		// update requestDuration only for successfully parsed requests.
+		// There is no need in updating requestDuration for request errors,
+		// since their timings are usually much smaller than the timing for successful request parsing.
+		requestDuration.UpdateDuration(startTime)
+	}
 }

-func processStreamInternal(streamName string, r io.Reader, timeField string, msgFields []string, lmp insertutil.LogMessageProcessor) {
+func processStreamInternal(streamName string, r io.Reader, timeField string, msgFields []string, lmp insertutils.LogMessageProcessor) error {
 	wcr := writeconcurrencylimiter.GetReader(r)
 	defer writeconcurrencylimiter.PutReader(wcr)

-	lr := insertutil.NewLineReader(streamName, wcr)
+	lr := insertutils.NewLineReader(streamName, wcr)

 	n := 0
 	for {
@@ -66,16 +76,16 @@ func processStreamInternal(streamName string, r io.Reader, timeField string, msg
 		wcr.DecConcurrency()
 		if err != nil {
 			errorsTotal.Inc()
-			logger.Warnf("jsonline: cannot read line #%d in /jsonline request: %s", n, err)
+			return fmt.Errorf("cannot read line #%d in /jsonline request: %s", n, err)
 		}
 		if !ok {
-			return
+			return nil
 		}
 		n++
 	}
 }

-func readLine(lr *insertutil.LineReader, timeField string, msgFields []string, lmp insertutil.LogMessageProcessor) (bool, error) {
+func readLine(lr *insertutils.LineReader, timeField string, msgFields []string, lmp insertutils.LogMessageProcessor) (bool, error) {
 	var line []byte
 	for len(line) == 0 {
 		if !lr.NextLine() {
@@ -86,17 +96,16 @@ func readLine(lr *insertutil.LineReader, timeField string, msgFields []string, l
 	}

 	p := logstorage.GetJSONParser()
-	defer logstorage.PutJSONParser(p)
-
 	if err := p.ParseLogMessage(line); err != nil {
-		return true, fmt.Errorf("cannot parse json-encoded line: %w; line contents: %q", err, line)
+		return false, fmt.Errorf("cannot parse json-encoded log entry: %w", err)
 	}
-	ts, err := insertutil.ExtractTimestampFromFields(timeField, p.Fields)
+	ts, err := insertutils.ExtractTimestampRFC3339NanoFromFields(timeField, p.Fields)
 	if err != nil {
-		return true, fmt.Errorf("cannot get timestamp from json-encoded line: %w; line contents: %q", err, line)
+		return false, fmt.Errorf("cannot get timestamp: %w", err)
 	}
 	logstorage.RenameField(p.Fields, msgFields, "_msg")
 	lmp.AddRow(ts, p.Fields, nil)
+	logstorage.PutJSONParser(p)

 	return true, nil
 }
--- a/app/vlinsert/jsonline/jsonline_test.go
+++ b/app/vlinsert/jsonline/jsonline_test.go
@@ -4,17 +4,19 @@ import (
 	"bytes"
 	"testing"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 )

-func TestProcessStreamInternal(t *testing.T) {
+func TestProcessStreamInternal_Success(t *testing.T) {
 	f := func(data, timeField, msgField string, timestampsExpected []int64, resultExpected string) {
 		t.Helper()

 		msgFields := []string{msgField}
-		tlp := &insertutil.TestLogMessageProcessor{}
+		tlp := &insertutils.TestLogMessageProcessor{}
 		r := bytes.NewBufferString(data)
-		processStreamInternal("test", r, timeField, msgFields, tlp)
+		if err := processStreamInternal("test", r, timeField, msgFields, tlp); err != nil {
+			t.Fatalf("unexpected error: %s", err)
+		}

 		if err := tlp.Verify(timestampsExpected, resultExpected); err != nil {
 			t.Fatal(err)
@@ -43,37 +45,22 @@ func TestProcessStreamInternal(t *testing.T) {
 	resultExpected = `{"log.offset":"71770","log.file.path":"/var/log/auth.log","message":"foobar"}
 {"message":"baz"}`
 	f(data, timeField, msgField, timestampsExpected, resultExpected)
+}
+
+func TestProcessStreamInternal_Failure(t *testing.T) {
+	f := func(data string) {
+		t.Helper()
+
+		tlp := &insertutils.TestLogMessageProcessor{}
+		r := bytes.NewBufferString(data)
+		if err := processStreamInternal("test", r, "time", nil, tlp); err == nil {
+			t.Fatalf("expecting non-nil error")
+		}
+	}

 	// invalid json
-	data = "foobar"
-	timeField = "@timestamp"
-	msgField = "aaa"
-	timestampsExpected = nil
-	resultExpected = ``
-	f(data, timeField, msgField, timestampsExpected, resultExpected)
+	f("foobar")

 	// invalid timestamp field
-	data = `{"time":"foobar"}`
-	timeField = "time"
-	msgField = "abc"
-	timestampsExpected = nil
-	resultExpected = ``
-	f(data, timeField, msgField, timestampsExpected, resultExpected)
-
-	// invalid lines among valid lines
-	data = `
-dsfodmasd
-
-{"time":"2023-06-06T04:48:11.735Z","log":{"offset":71770,"file":{"path":"/var/log/auth.log"}},"message":"foobar"}
-invalid line
-{"time":"2023-06-06T04:48:12.735+01:00","message":"baz"}
-asbsdf
-
-`
-	timeField = "time"
-	msgField = "message"
-	timestampsExpected = []int64{1686026891735000000, 1686023292735000000}
-	resultExpected = `{"log.offset":"71770","log.file.path":"/var/log/auth.log","_msg":"foobar"}
-{"_msg":"baz"}`
-	f(data, timeField, msgField, timestampsExpected, resultExpected)
+	f(`{"time":"foobar"}`)
 }
--- a/app/vlinsert/loki/loki.go
+++ b/app/vlinsert/loki/loki.go
@@ -1,18 +1,12 @@
 package loki

 import (
-	"flag"
-	"fmt"
 	"net/http"
-	"strconv"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
 )

-var disableMessageParsing = flag.Bool("loki.disableMessageParsing", false, "Whether to disable automatic parsing of JSON-encoded log fields inside Loki log message into distinct log fields")
-
 // RequestHandler processes Loki insert requests
 func RequestHandler(path string, w http.ResponseWriter, r *http.Request) bool {
 	switch path {
@@ -41,17 +35,8 @@ func handleInsert(r *http.Request, w http.ResponseWriter) {
 	}
 }

-type commonParams struct {
-	cp *insertutil.CommonParams
-
-	// Whether to parse JSON inside plaintext log message.
-	//
-	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/8486
-	parseMessage bool
-}
-
-func getCommonParams(r *http.Request) (*commonParams, error) {
-	cp, err := insertutil.GetCommonParams(r)
+func getCommonParams(r *http.Request) (*insertutils.CommonParams, error) {
+	cp, err := insertutils.GetCommonParams(r)
 	if err != nil {
 		return nil, err
 	}
@@ -70,17 +55,5 @@ func getCommonParams(r *http.Request) (*commonParams, error) {

 	}

-	parseMessage := !*disableMessageParsing
-	if rv := httputil.GetRequestValue(r, "disable_message_parsing", "VL-Loki-Disable-Message-Parsing"); rv != "" {
-		bv, err := strconv.ParseBool(rv)
-		if err != nil {
-			return nil, fmt.Errorf("cannot parse dusable_message_parsing=%q: %s", rv, err)
-		}
-		parseMessage = !bv
-	}
-
-	return &commonParams{
-		cp:           cp,
-		parseMessage: parseMessage,
-	}, nil
+	return cp, nil
 }
--- a/app/vlinsert/loki/loki_json.go
+++ b/app/vlinsert/loki/loki_json.go
@@ -2,28 +2,47 @@ package loki

 import (
 	"fmt"
+	"io"
+	"math"
 	"net/http"
+	"strconv"
 	"time"

 	"github.com/VictoriaMetrics/metrics"
 	"github.com/valyala/fastjson"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"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/logstorage"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
 )

-var maxRequestSize = flagutil.NewBytes("loki.maxRequestSize", 64*1024*1024, "The maximum size in bytes of a single Loki request")
-
 var parserPool fastjson.ParserPool

 func handleJSON(r *http.Request, w http.ResponseWriter) {
 	startTime := time.Now()
 	requestsJSONTotal.Inc()
+	reader := r.Body
+	if r.Header.Get("Content-Encoding") == "gzip" {
+		zr, err := common.GetGzipReader(reader)
+		if err != nil {
+			httpserver.Errorf(w, r, "cannot initialize gzip reader: %s", err)
+			return
+		}
+		defer common.PutGzipReader(zr)
+		reader = zr
+	}
+
+	wcr := writeconcurrencylimiter.GetReader(reader)
+	data, err := io.ReadAll(wcr)
+	writeconcurrencylimiter.PutReader(wcr)
+	if err != nil {
+		httpserver.Errorf(w, r, "cannot read request body: %s", err)
+		return
+	}

 	cp, err := getCommonParams(r)
 	if err != nil {
@@ -34,17 +53,12 @@ func handleJSON(r *http.Request, w http.ResponseWriter) {
 		httpserver.Errorf(w, r, "%s", err)
 		return
 	}
-
-	encoding := r.Header.Get("Content-Encoding")
-	err = protoparserutil.ReadUncompressedData(r.Body, encoding, maxRequestSize, func(data []byte) error {
-		lmp := cp.cp.NewLogMessageProcessor("loki_json", false)
-		useDefaultStreamFields := len(cp.cp.StreamFields) == 0
-		err := parseJSONRequest(data, lmp, cp.cp.MsgFields, useDefaultStreamFields, cp.parseMessage)
-		lmp.MustClose()
-		return err
-	})
+	lmp := cp.NewLogMessageProcessor("loki_json")
+	useDefaultStreamFields := len(cp.StreamFields) == 0
+	err = parseJSONRequest(data, lmp, useDefaultStreamFields)
+	lmp.MustClose()
 	if err != nil {
-		httpserver.Errorf(w, r, "cannot read Loki json data: %s", err)
+		httpserver.Errorf(w, r, "cannot parse Loki json request: %s; data=%s", err, data)
 		return
 	}

@@ -52,9 +66,6 @@ func handleJSON(r *http.Request, w http.ResponseWriter) {
 	// There is no need in updating requestJSONDuration for request errors,
 	// since their timings are usually much smaller than the timing for successful request parsing.
 	requestJSONDuration.UpdateDuration(startTime)
-
-	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/8505
-	w.WriteHeader(http.StatusNoContent)
 }

 var (
@@ -62,10 +73,9 @@ var (
 	requestJSONDuration = metrics.NewHistogram(`vl_http_request_duration_seconds{path="/insert/loki/api/v1/push",format="json"}`)
 )

-func parseJSONRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFields []string, useDefaultStreamFields, parseMessage bool) error {
+func parseJSONRequest(data []byte, lmp insertutils.LogMessageProcessor, useDefaultStreamFields bool) error {
 	p := parserPool.Get()
 	defer parserPool.Put(p)
-
 	v, err := p.ParseBytes(data)
 	if err != nil {
 		return fmt.Errorf("cannot parse JSON request body: %w", err)
@@ -80,20 +90,11 @@ func parseJSONRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFields
 		return fmt.Errorf("`streams` item in the parsed JSON must contain an array; got %q", streamsV)
 	}

-	fields := getFields()
-	defer putFields(fields)
-
-	var msgParser *logstorage.JSONParser
-	if parseMessage {
-		msgParser = logstorage.GetJSONParser()
-		defer logstorage.PutJSONParser(msgParser)
-	}
-
 	currentTimestamp := time.Now().UnixNano()
-
+	var commonFields []logstorage.Field
 	for _, stream := range streams {
 		// populate common labels from `stream` dict
-		fields.fields = fields.fields[:0]
+		commonFields = commonFields[:0]
 		labelsV := stream.Get("stream")
 		var labels *fastjson.Object
 		if labelsV != nil {
@@ -109,7 +110,7 @@ func parseJSONRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFields
 				err = fmt.Errorf("unexpected label value type for %q:%q; want string", k, v)
 				return
 			}
-			fields.fields = append(fields.fields, logstorage.Field{
+			commonFields = append(commonFields, logstorage.Field{
 				Name:  bytesutil.ToUnsafeString(k),
 				Value: bytesutil.ToUnsafeString(vStr),
 			})
@@ -128,10 +129,8 @@ func parseJSONRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFields
 			return fmt.Errorf("`values` item in the parsed JSON must contain an array; got %q", linesV)
 		}

-		commonFieldsLen := len(fields.fields)
+		fields := commonFields
 		for _, line := range lines {
-			fields.fields = fields.fields[:commonFieldsLen]
-
 			lineA, err := line.Array()
 			if err != nil {
 				return fmt.Errorf("unexpected contents of `values` item; want array; got %q", line)
@@ -153,6 +152,17 @@ func parseJSONRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFields
 				ts = currentTimestamp
 			}

+			// parse log message
+			msg, err := lineA[1].StringBytes()
+			if err != nil {
+				return fmt.Errorf("unexpected log message type for %q; want string", lineA[1])
+			}
+
+			fields = append(fields[:len(commonFields)], logstorage.Field{
+				Name:  "_msg",
+				Value: bytesutil.ToUnsafeString(msg),
+			})
+
 			// parse structured metadata - see https://grafana.com/docs/loki/latest/reference/loki-http-api/#ingest-logs
 			if len(lineA) > 2 {
 				structuredMetadata, err := lineA[2].Object()
@@ -167,7 +177,7 @@ func parseJSONRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFields
 						return
 					}

-					fields.fields = append(fields.fields, logstorage.Field{
+					fields = append(fields, logstorage.Field{
 						Name:  bytesutil.ToUnsafeString(k),
 						Value: bytesutil.ToUnsafeString(vStr),
 					})
@@ -176,51 +186,39 @@ func parseJSONRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFields
 					return fmt.Errorf("error when parsing `structuredMetadata` object: %w", err)
 				}
 			}
-
-			// parse log message
-			msg, err := lineA[1].StringBytes()
-			if err != nil {
-				return fmt.Errorf("unexpected log message type for %q; want string", lineA[1])
-			}
-			allowMsgRenaming := false
-			fields.fields, allowMsgRenaming = addMsgField(fields.fields, msgParser, bytesutil.ToUnsafeString(msg))
-
 			var streamFields []logstorage.Field
 			if useDefaultStreamFields {
-				streamFields = fields.fields[:commonFieldsLen]
+				streamFields = commonFields
 			}
-			if allowMsgRenaming {
-				logstorage.RenameField(fields.fields[commonFieldsLen:], msgFields, "_msg")
-			}
-			lmp.AddRow(ts, fields.fields, streamFields)
+			lmp.AddRow(ts, fields, streamFields)
 		}
 	}

 	return nil
 }

-func addMsgField(dst []logstorage.Field, msgParser *logstorage.JSONParser, msg string) ([]logstorage.Field, bool) {
-	if msgParser == nil || len(msg) < 2 || msg[0] != '{' || msg[len(msg)-1] != '}' {
-		return append(dst, logstorage.Field{
-			Name:  "_msg",
-			Value: msg,
-		}), false
-	}
-	if msgParser != nil && len(msg) >= 2 && msg[0] == '{' && msg[len(msg)-1] == '}' {
-		if err := msgParser.ParseLogMessage(bytesutil.ToUnsafeBytes(msg)); err == nil {
-			return append(dst, msgParser.Fields...), true
-		}
-	}
-	return append(dst, logstorage.Field{
-		Name:  "_msg",
-		Value: msg,
-	}), false
-}
-
 func parseLokiTimestamp(s string) (int64, error) {
 	if s == "" {
 		// Special case - an empty timestamp must be substituted with the current time by the caller.
 		return 0, nil
 	}
-	return insertutil.ParseUnixTimestamp(s)
+	n, err := strconv.ParseInt(s, 10, 64)
+	if err != nil {
+		// Fall back to parsing floating-point value
+		f, err := strconv.ParseFloat(s, 64)
+		if err != nil {
+			return 0, err
+		}
+		if f > math.MaxInt64 {
+			return 0, fmt.Errorf("too big timestamp in nanoseconds: %v; mustn't exceed %v", f, int64(math.MaxInt64))
+		}
+		if f < math.MinInt64 {
+			return 0, fmt.Errorf("too small timestamp in nanoseconds: %v; must be bigger or equal to %v", f, int64(math.MinInt64))
+		}
+		n = int64(f)
+	}
+	if n < 0 {
+		return 0, fmt.Errorf("too small timestamp in nanoseconds: %d; must be bigger than 0", n)
+	}
+	return n, nil
 }
--- a/app/vlinsert/loki/loki_json_test.go
+++ b/app/vlinsert/loki/loki_json_test.go
@@ -3,15 +3,15 @@ package loki
 import (
 	"testing"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 )

 func TestParseJSONRequest_Failure(t *testing.T) {
 	f := func(s string) {
 		t.Helper()

-		tlp := &insertutil.TestLogMessageProcessor{}
-		if err := parseJSONRequest([]byte(s), tlp, nil, false, false); err == nil {
+		tlp := &insertutils.TestLogMessageProcessor{}
+		if err := parseJSONRequest([]byte(s), tlp, false); err == nil {
 			t.Fatalf("expecting non-nil error")
 		}
 		if err := tlp.Verify(nil, ""); err != nil {
@@ -63,9 +63,9 @@ func TestParseJSONRequest_Success(t *testing.T) {
 	f := func(s string, timestampsExpected []int64, resultExpected string) {
 		t.Helper()

-		tlp := &insertutil.TestLogMessageProcessor{}
+		tlp := &insertutils.TestLogMessageProcessor{}

-		if err := parseJSONRequest([]byte(s), tlp, nil, false, false); err != nil {
+		if err := parseJSONRequest([]byte(s), tlp, false); err != nil {
 			t.Fatalf("unexpected error: %s", err)
 		}
 		if err := tlp.Verify(timestampsExpected, resultExpected); err != nil {
@@ -89,9 +89,9 @@ func TestParseJSONRequest_Success(t *testing.T) {
 	"label2": "value2"
 },"values":[
 	["1577836800000000001", "foo bar"],
-	["1686026123.62", "abc"],
+	["1477836900005000002", "abc"],
 	["147.78369e9", "foobar"]
-]}]}`, []int64{1577836800000000001, 1686026123620000000, 147783690000000000}, `{"label1":"value1","label2":"value2","_msg":"foo bar"}
+]}]}`, []int64{1577836800000000001, 1477836900005000002, 147783690000}, `{"label1":"value1","label2":"value2","_msg":"foo bar"}
 {"label1":"value1","label2":"value2","_msg":"abc"}
 {"label1":"value1","label2":"value2","_msg":"foobar"}`)

@@ -122,48 +122,6 @@ func TestParseJSONRequest_Success(t *testing.T) {
 {"x":"y","_msg":"yx"}`)

 	// values with metadata
-	f(`{"streams":[{"values":[["1577836800000000001", "foo bar", {"metadata_1": "md_value"}]]}]}`, []int64{1577836800000000001}, `{"metadata_1":"md_value","_msg":"foo bar"}`)
+	f(`{"streams":[{"values":[["1577836800000000001", "foo bar", {"metadata_1": "md_value"}]]}]}`, []int64{1577836800000000001}, `{"_msg":"foo bar","metadata_1":"md_value"}`)
 	f(`{"streams":[{"values":[["1577836800000000001", "foo bar", {}]]}]}`, []int64{1577836800000000001}, `{"_msg":"foo bar"}`)
 }
-
-func TestParseJSONRequest_ParseMessage(t *testing.T) {
-	f := func(s string, msgFields []string, timestampsExpected []int64, resultExpected string) {
-		t.Helper()
-
-		tlp := &insertutil.TestLogMessageProcessor{}
-
-		if err := parseJSONRequest([]byte(s), tlp, msgFields, false, true); err != nil {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		if err := tlp.Verify(timestampsExpected, resultExpected); err != nil {
-			t.Fatal(err)
-		}
-	}
-
-	f(`{
-	"streams": [
-		{
-			"stream": {
-				"foo": "bar",
-				"a": "b"
-			},
-			"values": [
-				["1577836800000000001", "{\"user_id\":\"123\"}"],
-				["1577836900005000002", "abc", {"trace_id":"pqw"}],
-				["1577836900005000003", "{def}"]
-			]
-		},
-		{
-			"stream": {
-				"x": "y"
-			},
-			"values": [
-				["1877836900005000004", "{\"trace_id\":\"111\",\"parent_id\":\"abc\"}"]
-			]
-		}
-	]
-}`, []string{"a", "trace_id"}, []int64{1577836800000000001, 1577836900005000002, 1577836900005000003, 1877836900005000004}, `{"foo":"bar","a":"b","user_id":"123"}
-{"foo":"bar","a":"b","trace_id":"pqw","_msg":"abc"}
-{"foo":"bar","a":"b","_msg":"{def}"}
-{"x":"y","_msg":"111","parent_id":"abc"}`)
-}
--- a/app/vlinsert/loki/loki_json_timing_test.go
+++ b/app/vlinsert/loki/loki_json_timing_test.go
@@ -6,7 +6,7 @@ import (
 	"testing"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 )

 func BenchmarkParseJSONRequest(b *testing.B) {
@@ -22,13 +22,13 @@ func BenchmarkParseJSONRequest(b *testing.B) {
 }

 func benchmarkParseJSONRequest(b *testing.B, streams, rows, labels int) {
-	blp := &insertutil.BenchmarkLogMessageProcessor{}
+	blp := &insertutils.BenchmarkLogMessageProcessor{}
 	b.ReportAllocs()
 	b.SetBytes(int64(streams * rows))
 	b.RunParallel(func(pb *testing.PB) {
 		data := getJSONBody(streams, rows, labels)
 		for pb.Next() {
-			if err := parseJSONRequest(data, blp, nil, false, true); err != nil {
+			if err := parseJSONRequest(data, blp, false); err != nil {
 				panic(fmt.Errorf("unexpected error: %w", err))
 			}
 		}
--- a/app/vlinsert/loki/loki_protobuf.go
+++ b/app/vlinsert/loki/loki_protobuf.go
@@ -2,27 +2,38 @@ package loki

 import (
 	"fmt"
+	"io"
 	"net/http"
 	"strconv"
 	"strings"
 	"sync"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
 	"github.com/VictoriaMetrics/metrics"
+	"github.com/golang/snappy"
 )

 var (
+	bytesBufPool bytesutil.ByteBufferPool
 	pushReqsPool sync.Pool
 )

 func handleProtobuf(r *http.Request, w http.ResponseWriter) {
 	startTime := time.Now()
 	requestsProtobufTotal.Inc()
+	wcr := writeconcurrencylimiter.GetReader(r.Body)
+	data, err := io.ReadAll(wcr)
+	writeconcurrencylimiter.PutReader(wcr)
+	if err != nil {
+		httpserver.Errorf(w, r, "cannot read request body: %s", err)
+		return
+	}

 	cp, err := getCommonParams(r)
 	if err != nil {
@@ -33,22 +44,12 @@ func handleProtobuf(r *http.Request, w http.ResponseWriter) {
 		httpserver.Errorf(w, r, "%s", err)
 		return
 	}
-
-	encoding := r.Header.Get("Content-Encoding")
-	if encoding == "" {
-		// Loki protocol uses snappy compression by default.
-		// See https://grafana.com/docs/loki/latest/reference/loki-http-api/#ingest-logs
-		encoding = "snappy"
-	}
-	err = protoparserutil.ReadUncompressedData(r.Body, encoding, maxRequestSize, func(data []byte) error {
-		lmp := cp.cp.NewLogMessageProcessor("loki_protobuf", false)
-		useDefaultStreamFields := len(cp.cp.StreamFields) == 0
-		err := parseProtobufRequest(data, lmp, cp.cp.MsgFields, useDefaultStreamFields, cp.parseMessage)
-		lmp.MustClose()
-		return err
-	})
+	lmp := cp.NewLogMessageProcessor("loki_protobuf")
+	useDefaultStreamFields := len(cp.StreamFields) == 0
+	err = parseProtobufRequest(data, lmp, useDefaultStreamFields)
+	lmp.MustClose()
 	if err != nil {
-		httpserver.Errorf(w, r, "cannot read Loki protobuf data: %s", err)
+		httpserver.Errorf(w, r, "cannot parse Loki protobuf request: %s", err)
 		return
 	}

@@ -56,9 +57,6 @@ func handleProtobuf(r *http.Request, w http.ResponseWriter) {
 	// There is no need in updating requestProtobufDuration for request errors,
 	// since their timings are usually much smaller than the timing for successful request parsing.
 	requestProtobufDuration.UpdateDuration(startTime)
-
-	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/8505
-	w.WriteHeader(http.StatusNoContent)
 }

 var (
@@ -66,11 +64,20 @@ var (
 	requestProtobufDuration = metrics.NewHistogram(`vl_http_request_duration_seconds{path="/insert/loki/api/v1/push",format="protobuf"}`)
 )

-func parseProtobufRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFields []string, useDefaultStreamFields, parseMessage bool) error {
+func parseProtobufRequest(data []byte, lmp insertutils.LogMessageProcessor, useDefaultStreamFields bool) error {
+	bb := bytesBufPool.Get()
+	defer bytesBufPool.Put(bb)
+
+	buf, err := snappy.Decode(bb.B[:cap(bb.B)], data)
+	if err != nil {
+		return fmt.Errorf("cannot decode snappy-encoded request body: %w", err)
+	}
+	bb.B = buf
+
 	req := getPushRequest()
 	defer putPushRequest(req)

-	err := req.UnmarshalProtobuf(data)
+	err = req.UnmarshalProtobuf(bb.B)
 	if err != nil {
 		return fmt.Errorf("cannot parse request body: %w", err)
 	}
@@ -78,15 +85,8 @@ func parseProtobufRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFi
 	fields := getFields()
 	defer putFields(fields)

-	var msgParser *logstorage.JSONParser
-	if parseMessage {
-		msgParser = logstorage.GetJSONParser()
-		defer logstorage.PutJSONParser(msgParser)
-	}
-
 	streams := req.Streams
 	currentTimestamp := time.Now().UnixNano()
-
 	for i := range streams {
 		stream := &streams[i]
 		// st.Labels contains labels for the stream.
@@ -109,8 +109,10 @@ func parseProtobufRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFi
 				})
 			}

-			allowMsgRenaming := false
-			fields.fields, allowMsgRenaming = addMsgField(fields.fields, msgParser, e.Line)
+			fields.fields = append(fields.fields, logstorage.Field{
+				Name:  "_msg",
+				Value: e.Line,
+			})

 			ts := e.Timestamp.UnixNano()
 			if ts == 0 {
@@ -121,9 +123,6 @@ func parseProtobufRequest(data []byte, lmp insertutil.LogMessageProcessor, msgFi
 			if useDefaultStreamFields {
 				streamFields = fields.fields[:commonFieldsLen]
 			}
-			if allowMsgRenaming {
-				logstorage.RenameField(fields.fields[commonFieldsLen:], msgFields, "_msg")
-			}
 			lmp.AddRow(ts, fields.fields, streamFields)
 		}
 	}
--- a/app/vlinsert/loki/loki_protobuf_test.go
+++ b/app/vlinsert/loki/loki_protobuf_test.go
@@ -6,8 +6,9 @@ import (
 	"testing"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
+	"github.com/golang/snappy"
 )

 type testLogMessageProcessor struct {
@@ -52,7 +53,7 @@ func TestParseProtobufRequest_Success(t *testing.T) {
 		t.Helper()

 		tlp := &testLogMessageProcessor{}
-		if err := parseJSONRequest([]byte(s), tlp, nil, false, false); err != nil {
+		if err := parseJSONRequest([]byte(s), tlp, false); err != nil {
 			t.Fatalf("unexpected error: %s", err)
 		}
 		if len(tlp.pr.Streams) != len(timestampsExpected) {
@@ -60,9 +61,10 @@ func TestParseProtobufRequest_Success(t *testing.T) {
 		}

 		data := tlp.pr.MarshalProtobuf(nil)
+		encodedData := snappy.Encode(nil, data)

-		tlp2 := &insertutil.TestLogMessageProcessor{}
-		if err := parseProtobufRequest(data, tlp2, nil, false, false); err != nil {
+		tlp2 := &insertutils.TestLogMessageProcessor{}
+		if err := parseProtobufRequest(encodedData, tlp2, false); err != nil {
 			t.Fatalf("unexpected error: %s", err)
 		}
 		if err := tlp2.Verify(timestampsExpected, resultExpected); err != nil {
@@ -88,7 +90,7 @@ func TestParseProtobufRequest_Success(t *testing.T) {
 	["1577836800000000001", "foo bar"],
 	["1477836900005000002", "abc"],
 	["147.78369e9", "foobar"]
-]}]}`, []int64{1577836800000000001, 1477836900005000002, 147783690000000000}, `{"label1":"value1","label2":"value2","_msg":"foo bar"}
+]}]}`, []int64{1577836800000000001, 1477836900005000002, 147783690000}, `{"label1":"value1","label2":"value2","_msg":"foo bar"}
 {"label1":"value1","label2":"value2","_msg":"abc"}
 {"label1":"value1","label2":"value2","_msg":"foobar"}`)

@@ -119,57 +121,6 @@ func TestParseProtobufRequest_Success(t *testing.T) {
 {"x":"y","_msg":"yx"}`)
 }

-func TestParseProtobufRequest_ParseMessage(t *testing.T) {
-	f := func(s string, msgFields []string, timestampsExpected []int64, resultExpected string) {
-		t.Helper()
-
-		tlp := &testLogMessageProcessor{}
-		if err := parseJSONRequest([]byte(s), tlp, nil, false, false); err != nil {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		if len(tlp.pr.Streams) != len(timestampsExpected) {
-			t.Fatalf("unexpected number of streams; got %d; want %d", len(tlp.pr.Streams), len(timestampsExpected))
-		}
-
-		data := tlp.pr.MarshalProtobuf(nil)
-
-		tlp2 := &insertutil.TestLogMessageProcessor{}
-		if err := parseProtobufRequest(data, tlp2, msgFields, false, true); err != nil {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		if err := tlp2.Verify(timestampsExpected, resultExpected); err != nil {
-			t.Fatal(err)
-		}
-	}
-
-	f(`{
-	"streams": [
-		{
-			"stream": {
-				"foo": "bar",
-				"a": "b"
-			},
-			"values": [
-				["1577836800000000001", "{\"user_id\":\"123\"}"],
-				["1577836900005000002", "abc", {"trace_id":"pqw"}],
-				["1577836900005000003", "{def}"]
-			]
-		},
-		{
-			"stream": {
-				"x": "y"
-			},
-			"values": [
-				["1877836900005000004", "{\"trace_id\":\"432\",\"parent_id\":\"qwerty\"}"]
-			]
-		}
-	]
-}`, []string{"a", "trace_id"}, []int64{1577836800000000001, 1577836900005000002, 1577836900005000003, 1877836900005000004}, `{"foo":"bar","a":"b","user_id":"123"}
-{"foo":"bar","a":"b","trace_id":"pqw","_msg":"abc"}
-{"foo":"bar","a":"b","_msg":"{def}"}
-{"x":"y","_msg":"432","parent_id":"qwerty"}`)
-}
-
 func TestParsePromLabels_Success(t *testing.T) {
 	f := func(s string) {
 		t.Helper()
--- a/app/vlinsert/loki/loki_protobuf_timing_test.go
+++ b/app/vlinsert/loki/loki_protobuf_timing_test.go
@@ -6,7 +6,9 @@ import (
 	"testing"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/golang/snappy"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 )

@@ -23,13 +25,13 @@ func BenchmarkParseProtobufRequest(b *testing.B) {
 }

 func benchmarkParseProtobufRequest(b *testing.B, streams, rows, labels int) {
-	blp := &insertutil.BenchmarkLogMessageProcessor{}
+	blp := &insertutils.BenchmarkLogMessageProcessor{}
 	b.ReportAllocs()
 	b.SetBytes(int64(streams * rows))
 	b.RunParallel(func(pb *testing.PB) {
 		body := getProtobufBody(streams, rows, labels)
 		for pb.Next() {
-			if err := parseProtobufRequest(body, blp, nil, false, true); err != nil {
+			if err := parseProtobufRequest(body, blp, false); err != nil {
 				panic(fmt.Errorf("unexpected error: %w", err))
 			}
 		}
@@ -76,5 +78,8 @@ func getProtobufBody(streamsCount, rowsCount, labelsCount int) []byte {
 		Streams: streams,
 	}

-	return pr.MarshalProtobuf(nil)
+	body := pr.MarshalProtobuf(nil)
+	encodedBody := snappy.Encode(nil, body)
+
+	return encodedBody
 }
--- a/app/vlinsert/main.go
+++ b/app/vlinsert/main.go
@@ -46,9 +46,7 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 		return true
 	}
 	switch {
-	case strings.HasPrefix(path, "/elasticsearch"):
-		// some clients may omit trailing slash
-		// see https://github.com/VictoriaMetrics/VictoriaMetrics/issues/8353
+	case strings.HasPrefix(path, "/elasticsearch/"):
 		path = strings.TrimPrefix(path, "/elasticsearch")
 		return elasticsearch.RequestHandler(path, w, r)
 	case strings.HasPrefix(path, "/loki/"):
--- a/app/vlinsert/opentelemetry/opentelemetry.go
+++ b/app/vlinsert/opentelemetry/opentelemetry.go
@@ -2,22 +2,21 @@ package opentelemetry

 import (
 	"fmt"
+	"io"
 	"net/http"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentelemetry/pb"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/slicesutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
 	"github.com/VictoriaMetrics/metrics"
 )

-var maxRequestSize = flagutil.NewBytes("opentelemetry.maxRequestSize", 64*1024*1024, "The maximum size in bytes of a single OpenTelemetry request")
-
 // RequestHandler processes Opentelemetry insert requests
 func RequestHandler(path string, w http.ResponseWriter, r *http.Request) bool {
 	switch path {
@@ -38,8 +37,26 @@ func RequestHandler(path string, w http.ResponseWriter, r *http.Request) bool {
 func handleProtobuf(r *http.Request, w http.ResponseWriter) {
 	startTime := time.Now()
 	requestsProtobufTotal.Inc()
+	reader := r.Body
+	if r.Header.Get("Content-Encoding") == "gzip" {
+		zr, err := common.GetGzipReader(reader)
+		if err != nil {
+			httpserver.Errorf(w, r, "cannot initialize gzip reader: %s", err)
+			return
+		}
+		defer common.PutGzipReader(zr)
+		reader = zr
+	}

-	cp, err := insertutil.GetCommonParams(r)
+	wcr := writeconcurrencylimiter.GetReader(reader)
+	data, err := io.ReadAll(wcr)
+	writeconcurrencylimiter.PutReader(wcr)
+	if err != nil {
+		httpserver.Errorf(w, r, "cannot read request body: %s", err)
+		return
+	}
+
+	cp, err := insertutils.GetCommonParams(r)
 	if err != nil {
 		httpserver.Errorf(w, r, "cannot parse common params from request: %s", err)
 		return
@@ -49,16 +66,12 @@ func handleProtobuf(r *http.Request, w http.ResponseWriter) {
 		return
 	}

-	encoding := r.Header.Get("Content-Encoding")
-	err = protoparserutil.ReadUncompressedData(r.Body, encoding, maxRequestSize, func(data []byte) error {
-		lmp := cp.NewLogMessageProcessor("opentelelemtry_protobuf", false)
-		useDefaultStreamFields := len(cp.StreamFields) == 0
-		err := pushProtobufRequest(data, lmp, useDefaultStreamFields)
-		lmp.MustClose()
-		return err
-	})
+	lmp := cp.NewLogMessageProcessor("opentelelemtry_protobuf")
+	useDefaultStreamFields := len(cp.StreamFields) == 0
+	err = pushProtobufRequest(data, lmp, useDefaultStreamFields)
+	lmp.MustClose()
 	if err != nil {
-		httpserver.Errorf(w, r, "cannot read OpenTelemetry protocol data: %s", err)
+		httpserver.Errorf(w, r, "cannot parse OpenTelemetry protobuf request: %s", err)
 		return
 	}

@@ -75,7 +88,7 @@ var (
 	requestProtobufDuration = metrics.NewHistogram(`vl_http_request_duration_seconds{path="/insert/opentelemetry/v1/logs",format="protobuf"}`)
 )

-func pushProtobufRequest(data []byte, lmp insertutil.LogMessageProcessor, useDefaultStreamFields bool) error {
+func pushProtobufRequest(data []byte, lmp insertutils.LogMessageProcessor, useDefaultStreamFields bool) error {
 	var req pb.ExportLogsServiceRequest
 	if err := req.UnmarshalProtobuf(data); err != nil {
 		errorsTotal.Inc()
@@ -88,7 +101,7 @@ func pushProtobufRequest(data []byte, lmp insertutil.LogMessageProcessor, useDef
 		commonFields = slicesutil.SetLength(commonFields, len(attributes))
 		for i, attr := range attributes {
 			commonFields[i].Name = attr.Key
-			commonFields[i].Value = attr.Value.FormatString(true)
+			commonFields[i].Value = attr.Value.FormatString()
 		}
 		commonFieldsLen := len(commonFields)
 		for _, sc := range rl.ScopeLogs {
@@ -99,30 +112,18 @@ func pushProtobufRequest(data []byte, lmp insertutil.LogMessageProcessor, useDef
 	return nil
 }

-func pushFieldsFromScopeLogs(sc *pb.ScopeLogs, commonFields []logstorage.Field, lmp insertutil.LogMessageProcessor, useDefaultStreamFields bool) []logstorage.Field {
+func pushFieldsFromScopeLogs(sc *pb.ScopeLogs, commonFields []logstorage.Field, lmp insertutils.LogMessageProcessor, useDefaultStreamFields bool) []logstorage.Field {
 	fields := commonFields
 	for _, lr := range sc.LogRecords {
 		fields = fields[:len(commonFields)]
 		fields = append(fields, logstorage.Field{
 			Name:  "_msg",
-			Value: lr.Body.FormatString(true),
+			Value: lr.Body.FormatString(),
 		})
 		for _, attr := range lr.Attributes {
 			fields = append(fields, logstorage.Field{
 				Name:  attr.Key,
-				Value: attr.Value.FormatString(true),
-			})
-		}
-		if len(lr.TraceID) > 0 {
-			fields = append(fields, logstorage.Field{
-				Name:  "trace_id",
-				Value: lr.TraceID,
-			})
-		}
-		if len(lr.SpanID) > 0 {
-			fields = append(fields, logstorage.Field{
-				Name:  "span_id",
-				Value: lr.SpanID,
+				Value: attr.Value.FormatString(),
 			})
 		}
 		fields = append(fields, logstorage.Field{
--- a/app/vlinsert/opentelemetry/opentelemetry_test.go
+++ b/app/vlinsert/opentelemetry/opentelemetry_test.go
@@ -3,7 +3,7 @@ package opentelemetry
 import (
 	"testing"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentelemetry/pb"
 )

@@ -15,7 +15,7 @@ func TestPushProtoOk(t *testing.T) {
 		}

 		pData := lr.MarshalProtobuf(nil)
-		tlp := &insertutil.TestLogMessageProcessor{}
+		tlp := &insertutils.TestLogMessageProcessor{}
 		if err := pushProtobufRequest(pData, tlp, false); err != nil {
 			t.Fatalf("unexpected error: %s", err)
 		}
@@ -24,7 +24,6 @@ func TestPushProtoOk(t *testing.T) {
 			t.Fatal(err)
 		}
 	}
-
 	// single line without resource attributes
 	f([]pb.ResourceLogs{
 		{
@@ -40,7 +39,6 @@ func TestPushProtoOk(t *testing.T) {
 		[]int64{1234},
 		`{"_msg":"log-line-message","severity":"Trace"}`,
 	)
-
 	// multi-line with resource attributes
 	f([]pb.ResourceLogs{
 		{
@@ -68,9 +66,9 @@ func TestPushProtoOk(t *testing.T) {
 		},
 	},
 		[]int64{1234, 1235, 1236},
-		`{"logger":"context","instance_id":"10","node_taints":"{\"role\":\"dev\",\"cluster_load_percent\":0.55}","_msg":"log-line-message","severity":"Trace"}
-{"logger":"context","instance_id":"10","node_taints":"{\"role\":\"dev\",\"cluster_load_percent\":0.55}","_msg":"log-line-message-msg-2","severity":"Unspecified"}
-{"logger":"context","instance_id":"10","node_taints":"{\"role\":\"dev\",\"cluster_load_percent\":0.55}","_msg":"log-line-message-msg-2","severity":"Unspecified"}`,
+		`{"logger":"context","instance_id":"10","node_taints":"[{\"Key\":\"role\",\"Value\":{\"StringValue\":\"dev\",\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":null,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}},{\"Key\":\"cluster_load_percent\",\"Value\":{\"StringValue\":null,\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":0.55,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}}]","_msg":"log-line-message","severity":"Trace"}
+{"logger":"context","instance_id":"10","node_taints":"[{\"Key\":\"role\",\"Value\":{\"StringValue\":\"dev\",\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":null,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}},{\"Key\":\"cluster_load_percent\",\"Value\":{\"StringValue\":null,\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":0.55,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}}]","_msg":"log-line-message-msg-2","severity":"Unspecified"}
+{"logger":"context","instance_id":"10","node_taints":"[{\"Key\":\"role\",\"Value\":{\"StringValue\":\"dev\",\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":null,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}},{\"Key\":\"cluster_load_percent\",\"Value\":{\"StringValue\":null,\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":0.55,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}}]","_msg":"log-line-message-msg-2","severity":"Unspecified"}`,
 	)

 	// multi-scope with resource attributes and multi-line
@@ -108,21 +106,19 @@ func TestPushProtoOk(t *testing.T) {
 				{
 					LogRecords: []pb.LogRecord{
 						{TimeUnixNano: 2347, SeverityNumber: 12, Body: pb.AnyValue{StringValue: ptrTo("log-line-resource-scope-1-1-0")}},
-						{TraceID: "1234", SpanID: "45", ObservedTimeUnixNano: 2348, SeverityNumber: 12, Body: pb.AnyValue{StringValue: ptrTo("log-line-resource-scope-1-1-1")}},
-						{TraceID: "4bf92f3577b34da6a3ce929d0e0e4736", SpanID: "00f067aa0ba902b7", ObservedTimeUnixNano: 3333, Body: pb.AnyValue{StringValue: ptrTo("log-line-resource-scope-1-1-2")}},
+						{ObservedTimeUnixNano: 2348, SeverityNumber: 12, Body: pb.AnyValue{StringValue: ptrTo("log-line-resource-scope-1-1-1")}},
 					},
 				},
 			},
 		},
 	},
-		[]int64{1234, 1235, 2345, 2346, 2347, 2348, 3333},
-		`{"logger":"context","instance_id":"10","node_taints":"{\"role\":\"dev\",\"cluster_load_percent\":0.55}","_msg":"log-line-message","severity":"Trace"}
-{"logger":"context","instance_id":"10","node_taints":"{\"role\":\"dev\",\"cluster_load_percent\":0.55}","_msg":"log-line-message-msg-2","severity":"Debug"}
+		[]int64{1234, 1235, 2345, 2346, 2347, 2348},
+		`{"logger":"context","instance_id":"10","node_taints":"[{\"Key\":\"role\",\"Value\":{\"StringValue\":\"dev\",\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":null,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}},{\"Key\":\"cluster_load_percent\",\"Value\":{\"StringValue\":null,\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":0.55,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}}]","_msg":"log-line-message","severity":"Trace"}
+{"logger":"context","instance_id":"10","node_taints":"[{\"Key\":\"role\",\"Value\":{\"StringValue\":\"dev\",\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":null,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}},{\"Key\":\"cluster_load_percent\",\"Value\":{\"StringValue\":null,\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":0.55,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}}]","_msg":"log-line-message-msg-2","severity":"Debug"}
 {"_msg":"log-line-resource-scope-1-0-0","severity":"Info2"}
 {"_msg":"log-line-resource-scope-1-0-1","severity":"Info2"}
 {"_msg":"log-line-resource-scope-1-1-0","severity":"Info4"}
-{"_msg":"log-line-resource-scope-1-1-1","trace_id":"1234","span_id":"45","severity":"Info4"}
-{"_msg":"log-line-resource-scope-1-1-2","trace_id":"4bf92f3577b34da6a3ce929d0e0e4736","span_id":"00f067aa0ba902b7","severity":"Unspecified"}`,
+{"_msg":"log-line-resource-scope-1-1-1","severity":"Info4"}`,
 	)
 }

--- a/app/vlinsert/opentelemetry/opentelemetry_timing_test.go
+++ b/app/vlinsert/opentelemetry/opentelemetry_timing_test.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"testing"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentelemetry/pb"
 )

@@ -21,7 +21,7 @@ func BenchmarkParseProtobufRequest(b *testing.B) {
 }

 func benchmarkParseProtobufRequest(b *testing.B, streams, rows, labels int) {
-	blp := &insertutil.BenchmarkLogMessageProcessor{}
+	blp := &insertutils.BenchmarkLogMessageProcessor{}
 	b.ReportAllocs()
 	b.SetBytes(int64(streams * rows))
 	b.RunParallel(func(pb *testing.PB) {
--- a/app/vlinsert/syslog/syslog.go
+++ b/app/vlinsert/syslog/syslog.go
@@ -16,7 +16,9 @@ import (
 	"sync/atomic"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/klauspost/compress/gzip"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/cgroup"
@@ -25,7 +27,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/netutil"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/slicesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
 	"github.com/VictoriaMetrics/metrics"
@@ -272,14 +274,14 @@ func runTCPListener(addr string, argIdx int) {

 func checkCompressMethod(compressMethod, addr, protocol string) {
 	switch compressMethod {
-	case "", "none", "zstd", "gzip", "deflate":
+	case "", "none", "gzip", "deflate":
 		return
 	default:
-		logger.Fatalf("unsupported -syslog.compressMethod.%s=%q for -syslog.listenAddr.%s=%q; supported values: 'none', 'zstd', 'gzip', 'deflate'", protocol, compressMethod, protocol, addr)
+		logger.Fatalf("unsupported -syslog.compressMethod.%s=%q for -syslog.listenAddr.%s=%q; supported values: 'none', 'gzip', 'deflate'", protocol, compressMethod, protocol, addr)
 	}
 }

-func serveUDP(ln net.PacketConn, tenantID logstorage.TenantID, encoding string, useLocalTimestamp bool, streamFields, ignoreFields []string, extraFields []logstorage.Field) {
+func serveUDP(ln net.PacketConn, tenantID logstorage.TenantID, compressMethod string, useLocalTimestamp bool, streamFields, ignoreFields []string, extraFields []logstorage.Field) {
 	gomaxprocs := cgroup.AvailableCPUs()
 	var wg sync.WaitGroup
 	localAddr := ln.LocalAddr()
@@ -287,7 +289,7 @@ func serveUDP(ln net.PacketConn, tenantID logstorage.TenantID, encoding string,
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			cp := insertutil.GetCommonParamsForSyslog(tenantID, streamFields, ignoreFields, extraFields)
+			cp := insertutils.GetCommonParamsForSyslog(tenantID, streamFields, ignoreFields, extraFields)
 			var bb bytesutil.ByteBuffer
 			bb.B = bytesutil.ResizeNoCopyNoOverallocate(bb.B, 64*1024)
 			for {
@@ -312,7 +314,7 @@ func serveUDP(ln net.PacketConn, tenantID logstorage.TenantID, encoding string,
 				}
 				bb.B = bb.B[:n]
 				udpRequestsTotal.Inc()
-				if err := processStream("udp", bb.NewReader(), encoding, useLocalTimestamp, cp); err != nil {
+				if err := processStream("udp", bb.NewReader(), compressMethod, useLocalTimestamp, cp); err != nil {
 					logger.Errorf("syslog: cannot process UDP data from %s at %s: %s", remoteAddr, localAddr, err)
 				}
 			}
@@ -321,7 +323,7 @@ func serveUDP(ln net.PacketConn, tenantID logstorage.TenantID, encoding string,
 	wg.Wait()
 }

-func serveTCP(ln net.Listener, tenantID logstorage.TenantID, encoding string, useLocalTimestamp bool, streamFields, ignoreFields []string, extraFields []logstorage.Field) {
+func serveTCP(ln net.Listener, tenantID logstorage.TenantID, compressMethod string, useLocalTimestamp bool, streamFields, ignoreFields []string, extraFields []logstorage.Field) {
 	var cm ingestserver.ConnsMap
 	cm.Init("syslog")

@@ -351,8 +353,8 @@ func serveTCP(ln net.Listener, tenantID logstorage.TenantID, encoding string, us

 		wg.Add(1)
 		go func() {
-			cp := insertutil.GetCommonParamsForSyslog(tenantID, streamFields, ignoreFields, extraFields)
-			if err := processStream("tcp", c, encoding, useLocalTimestamp, cp); err != nil {
+			cp := insertutils.GetCommonParamsForSyslog(tenantID, streamFields, ignoreFields, extraFields)
+			if err := processStream("tcp", c, compressMethod, useLocalTimestamp, cp); err != nil {
 				logger.Errorf("syslog: cannot process TCP data at %q: %s", addr, err)
 			}

@@ -367,29 +369,52 @@ func serveTCP(ln net.Listener, tenantID logstorage.TenantID, encoding string, us
 }

 // processStream parses a stream of syslog messages from r and ingests them into vlstorage.
-func processStream(protocol string, r io.Reader, encoding string, useLocalTimestamp bool, cp *insertutil.CommonParams) error {
+func processStream(protocol string, r io.Reader, compressMethod string, useLocalTimestamp bool, cp *insertutils.CommonParams) error {
 	if err := vlstorage.CanWriteData(); err != nil {
 		return err
 	}

-	lmp := cp.NewLogMessageProcessor("syslog_"+protocol, true)
-	err := processStreamInternal(r, encoding, useLocalTimestamp, lmp)
+	lmp := cp.NewLogMessageProcessor("syslog_" + protocol)
+	err := processStreamInternal(r, compressMethod, useLocalTimestamp, lmp)
 	lmp.MustClose()

 	return err
 }

-func processStreamInternal(r io.Reader, encoding string, useLocalTimestamp bool, lmp insertutil.LogMessageProcessor) error {
-	reader, err := protoparserutil.GetUncompressedReader(r, encoding)
-	if err != nil {
-		return fmt.Errorf("cannot decode syslog data: %w", err)
+func processStreamInternal(r io.Reader, compressMethod string, useLocalTimestamp bool, lmp insertutils.LogMessageProcessor) error {
+	switch compressMethod {
+	case "", "none":
+	case "gzip":
+		zr, err := common.GetGzipReader(r)
+		if err != nil {
+			return fmt.Errorf("cannot read gzipped data: %w", err)
+		}
+		r = zr
+	case "deflate":
+		zr, err := common.GetZlibReader(r)
+		if err != nil {
+			return fmt.Errorf("cannot read deflated data: %w", err)
+		}
+		r = zr
+	default:
+		logger.Panicf("BUG: unsupported compressMethod=%q; supported values: none, gzip, deflate", compressMethod)
 	}
-	defer protoparserutil.PutUncompressedReader(reader)

-	return processUncompressedStream(reader, useLocalTimestamp, lmp)
+	err := processUncompressedStream(r, useLocalTimestamp, lmp)
+
+	switch compressMethod {
+	case "gzip":
+		zr := r.(*gzip.Reader)
+		common.PutGzipReader(zr)
+	case "deflate":
+		zr := r.(io.ReadCloser)
+		common.PutZlibReader(zr)
+	}
+
+	return err
 }

-func processUncompressedStream(r io.Reader, useLocalTimestamp bool, lmp insertutil.LogMessageProcessor) error {
+func processUncompressedStream(r io.Reader, useLocalTimestamp bool, lmp insertutils.LogMessageProcessor) error {
 	wcr := writeconcurrencylimiter.GetReader(r)
 	defer writeconcurrencylimiter.PutReader(wcr)

@@ -474,7 +499,7 @@ again:
 			slr.err = fmt.Errorf("cannot parse message length from %q: %w", msgLenStr, err)
 			return false
 		}
-		if maxMsgLen := insertutil.MaxLineSizeBytes.IntN(); msgLen > uint64(maxMsgLen) {
+		if maxMsgLen := insertutils.MaxLineSizeBytes.IntN(); msgLen > uint64(maxMsgLen) {
 			slr.err = fmt.Errorf("cannot read message longer than %d bytes; msgLen=%d", maxMsgLen, msgLen)
 			return false
 		}
@@ -526,7 +551,7 @@ func putSyslogLineReader(slr *syslogLineReader) {

 var syslogLineReaderPool sync.Pool

-func processLine(line []byte, currentYear int, timezone *time.Location, useLocalTimestamp bool, lmp insertutil.LogMessageProcessor) error {
+func processLine(line []byte, currentYear int, timezone *time.Location, useLocalTimestamp bool, lmp insertutils.LogMessageProcessor) error {
 	p := logstorage.GetSyslogParser(currentYear, timezone)
 	lineStr := bytesutil.ToUnsafeString(line)
 	p.Parse(lineStr)
@@ -535,7 +560,7 @@ func processLine(line []byte, currentYear int, timezone *time.Location, useLocal
 	if useLocalTimestamp {
 		ts = time.Now().UnixNano()
 	} else {
-		nsecs, err := insertutil.ExtractTimestampFromFields("timestamp", p.Fields)
+		nsecs, err := insertutils.ExtractTimestampRFC3339NanoFromFields("timestamp", p.Fields)
 		if err != nil {
 			return fmt.Errorf("cannot get timestamp from syslog line %q: %w", line, err)
 		}
--- a/app/vlinsert/syslog/syslog_test.go
+++ b/app/vlinsert/syslog/syslog_test.go
@@ -6,7 +6,7 @@ import (
 	"testing"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
 )

 func TestSyslogLineReader_Success(t *testing.T) {
@@ -84,7 +84,7 @@ func TestProcessStreamInternal_Success(t *testing.T) {
 		globalTimezone = time.UTC
 		globalCurrentYear.Store(int64(currentYear))

-		tlp := &insertutil.TestLogMessageProcessor{}
+		tlp := &insertutils.TestLogMessageProcessor{}
 		r := bytes.NewBufferString(data)
 		if err := processStreamInternal(r, "", false, tlp); err != nil {
 			t.Fatalf("unexpected error: %s", err)
@@ -113,7 +113,7 @@ func TestProcessStreamInternal_Failure(t *testing.T) {
 		MustInit()
 		defer MustStop()

-		tlp := &insertutil.TestLogMessageProcessor{}
+		tlp := &insertutils.TestLogMessageProcessor{}
 		r := bytes.NewBufferString(data)
 		if err := processStreamInternal(r, "", false, tlp); err == nil {
 			t.Fatalf("expecting non-nil error")
--- a/app/vlogscli/json_prettifier.go
+++ b/app/vlogscli/json_prettifier.go
@@ -154,7 +154,7 @@ func readNextJSONObject(d *json.Decoder) ([]logstorage.Field, error) {
 		}
 		value, ok := t.(string)
 		if !ok {
-			return nil, fmt.Errorf("unexpected token read for object value: %v; want string", t)
+			return nil, fmt.Errorf("unexpected token read for oject value: %v; want string", t)
 		}

 		fields = append(fields, logstorage.Field{
@@ -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)
--- a/app/vlogscli/main.go
+++ b/app/vlogscli/main.go
@@ -270,7 +270,7 @@ func printCommandsHelp(w io.Writer) {
 \h - show this help
 \s - singleline json output mode
 \m - multiline json output mode
-\c - compact output mode
+\c - compact output
 \logfmt - logfmt output mode
 \wrap_long_lines - toggles wrapping long lines
 \tail <query> - live tail <query> results
--- a/app/vlogsgenerator/main.go
+++ b/app/vlogsgenerator/main.go
@@ -18,7 +18,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/buildinfo"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/envflag"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 )

 var (
@@ -31,7 +31,7 @@ var (
 	totalStreams  = flag.Int("totalStreams", 0, "The number of total log streams; if -totalStreams > -activeStreams, then some active streams are substituted with new streams "+
 		"during data generation")
 	logsPerStream     = flag.Int64("logsPerStream", 1_000, "The number of log entries to generate per each log stream. Log entries are evenly distributed between -start and -end")
-	constFieldsPerLog = flag.Int("constFieldsPerLog", 3, "The number of fields with constant values to generate per each log entry; "+
+	constFieldsPerLog = flag.Int("constFieldsPerLog", 3, "The number of fields with constaint values to generate per each log entry; "+
 		"see https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model")
 	varFieldsPerLog = flag.Int("varFieldsPerLog", 1, "The number of fields with variable values to generate per each log entry; "+
 		"see https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model")
@@ -45,8 +45,6 @@ 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; "+
@@ -177,10 +175,7 @@ func generateAndPushLogs(cfg *workerConfig, workerID int) {
 	sw := &statWriter{
 		w: pw,
 	}
-
-	// The 1MB write buffer increases data ingestion performance by reducing the number of send() syscalls
-	bw := bufio.NewWriterSize(sw, 1024*1024)
-
+	bw := bufio.NewWriter(sw)
 	doneCh := make(chan struct{})
 	go func() {
 		generateLogs(bw, workerID, cfg.activeStreams, cfg.totalStreams)
@@ -259,9 +254,6 @@ 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)
 		}
@@ -309,7 +301,7 @@ type timeFlag struct {
 }

 func (tf *timeFlag) Set(s string) error {
-	msec, err := timeutil.ParseTimeMsec(s)
+	msec, err := promutils.ParseTimeMsec(s)
 	if err != nil {
 		return fmt.Errorf("cannot parse time from %q: %w", s, err)
 	}
--- a/app/vlselect/logsql/logsql.go
+++ b/app/vlselect/logsql/logsql.go
@@ -19,10 +19,10 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 )

 // ProcessFacetsRequest handles /select/logsql/facets request.
@@ -35,22 +35,22 @@ func ProcessFacetsRequest(ctx context.Context, w http.ResponseWriter, r *http.Re
 		return
 	}

-	limit, err := httputil.GetInt(r, "limit")
+	limit, err := httputils.GetInt(r, "limit")
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
 	}
-	maxValuesPerField, err := httputil.GetInt(r, "max_values_per_field")
+	maxValuesPerField, err := httputils.GetInt(r, "max_values_per_field")
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
 	}
-	maxValueLen, err := httputil.GetInt(r, "max_value_len")
+	maxValueLen, err := httputils.GetInt(r, "max_value_len")
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
 	}
-	keepConstFields := httputil.GetBool(r, "keep_const_fields")
+	keepConstFields := httputils.GetBool(r, "keep_const_fields")

 	q.DropAllPipes()
 	q.AddFacetsPipe(limit, maxValuesPerField, maxValueLen, keepConstFields)
@@ -116,7 +116,7 @@ func ProcessHitsRequest(ctx context.Context, w http.ResponseWriter, r *http.Requ
 	if stepStr == "" {
 		stepStr = "1d"
 	}
-	step, err := timeutil.ParseDuration(stepStr)
+	step, err := promutils.ParseDuration(stepStr)
 	if err != nil {
 		httpserver.Errorf(w, r, "cannot parse 'step' arg: %s", err)
 		return
@@ -131,7 +131,7 @@ func ProcessHitsRequest(ctx context.Context, w http.ResponseWriter, r *http.Requ
 	if offsetStr == "" {
 		offsetStr = "0s"
 	}
-	offset, err := timeutil.ParseDuration(offsetStr)
+	offset, err := promutils.ParseDuration(offsetStr)
 	if err != nil {
 		httpserver.Errorf(w, r, "cannot parse 'offset' arg: %s", err)
 		return
@@ -141,7 +141,7 @@ func ProcessHitsRequest(ctx context.Context, w http.ResponseWriter, r *http.Requ
 	fields := r.Form["field"]

 	// Obtain limit on the number of top fields entries.
-	fieldsLimit, err := httputil.GetInt(r, "fields_limit")
+	fieldsLimit, err := httputils.GetInt(r, "fields_limit")
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
@@ -310,7 +310,7 @@ func ProcessFieldValuesRequest(ctx context.Context, w http.ResponseWriter, r *ht
 	}

 	// Parse limit query arg
-	limit, err := httputil.GetInt(r, "limit")
+	limit, err := httputils.GetInt(r, "limit")
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
@@ -370,7 +370,7 @@ func ProcessStreamFieldValuesRequest(ctx context.Context, w http.ResponseWriter,
 	}

 	// Parse limit query arg
-	limit, err := httputil.GetInt(r, "limit")
+	limit, err := httputils.GetInt(r, "limit")
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
@@ -401,7 +401,7 @@ func ProcessStreamIDsRequest(ctx context.Context, w http.ResponseWriter, r *http
 	}

 	// Parse limit query arg
-	limit, err := httputil.GetInt(r, "limit")
+	limit, err := httputils.GetInt(r, "limit")
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
@@ -432,7 +432,7 @@ func ProcessStreamsRequest(ctx context.Context, w http.ResponseWriter, r *http.R
 	}

 	// Parse limit query arg
-	limit, err := httputil.GetInt(r, "limit")
+	limit, err := httputils.GetInt(r, "limit")
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
@@ -470,21 +470,21 @@ func ProcessLiveTailRequest(ctx context.Context, w http.ResponseWriter, r *http.
 		return
 	}

-	refreshIntervalMsecs, err := httputil.GetDuration(r, "refresh_interval", 1000)
+	refreshIntervalMsecs, err := httputils.GetDuration(r, "refresh_interval", 1000)
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
 	}
 	refreshInterval := time.Millisecond * time.Duration(refreshIntervalMsecs)

-	startOffsetMsecs, err := httputil.GetDuration(r, "start_offset", 5*1000)
+	startOffsetMsecs, err := httputils.GetDuration(r, "start_offset", 5*1000)
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
 	}
 	startOffset := startOffsetMsecs * 1e6

-	offsetMsecs, err := httputil.GetDuration(r, "offset", 1000)
+	offsetMsecs, err := httputils.GetDuration(r, "offset", 1000)
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
@@ -665,7 +665,7 @@ func ProcessStatsQueryRangeRequest(ctx context.Context, w http.ResponseWriter, r
 	if stepStr == "" {
 		stepStr = "1d"
 	}
-	step, err := timeutil.ParseDuration(stepStr)
+	step, err := promutils.ParseDuration(stepStr)
 	if err != nil {
 		err = fmt.Errorf("cannot parse 'step' arg: %s", err)
 		httpserver.SendPrometheusError(w, r, err)
@@ -694,16 +694,13 @@ func ProcessStatsQueryRangeRequest(ctx context.Context, w http.ResponseWriter, r
 			clonedColumnNames[i] = strings.Clone(c.Name)
 		}
 		for i := range timestamps {
-			// Do not move q.GetTimestamp() outside writeBlock, since ts
-			// must be initialized to query timestamp for every processed log row.
-			// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/8312
-			ts := q.GetTimestamp()
+			timestamp := q.GetTimestamp()
 			labels := make([]logstorage.Field, 0, len(byFields))
 			for j, c := range columns {
 				if c.Name == "_time" {
 					nsec, ok := logstorage.TryParseTimestampRFC3339Nano(c.Values[i])
 					if ok {
-						ts = nsec
+						timestamp = nsec
 						continue
 					}
 				}
@@ -724,7 +721,7 @@ func ProcessStatsQueryRangeRequest(ctx context.Context, w http.ResponseWriter, r
 					dst = logstorage.MarshalFieldsToJSON(dst, labels)
 					key := string(dst)
 					p := statsPoint{
-						Timestamp: ts,
+						Timestamp: timestamp,
 						Value:     strings.Clone(c.Values[i]),
 					}

@@ -863,7 +860,7 @@ func ProcessQueryRequest(ctx context.Context, w http.ResponseWriter, r *http.Req
 	}

 	// Parse limit query arg
-	limit, err := httputil.GetInt(r, "limit")
+	limit, err := httputils.GetInt(r, "limit")
 	if err != nil {
 		httpserver.Errorf(w, r, "%s", err)
 		return
@@ -1122,7 +1119,7 @@ func getTimeNsec(r *http.Request, argName string) (int64, bool, error) {
 		return 0, false, nil
 	}
 	currentTimestamp := time.Now().UnixNano()
-	nsecs, err := timeutil.ParseTimeAt(s, currentTimestamp)
+	nsecs, err := promutils.ParseTimeAt(s, currentTimestamp)
 	if err != nil {
 		return 0, false, fmt.Errorf("cannot parse %s=%s: %w", argName, s, err)
 	}
--- a/app/vlselect/logsql/logsql_test.go
+++ b/app/vlselect/logsql/logsql_test.go
@@ -28,7 +28,7 @@ func TestParseExtraFilters_Success(t *testing.T) {
 	// LogsQL filter
 	f(`foobar`, `foobar`)
 	f(`foo:bar`, `foo:bar`)
-	f(`foo:(bar or baz) error _time:5m {"foo"=bar,baz="z"}`, `{foo="bar",baz="z"} (foo:bar or foo:baz) error _time:5m`)
+	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) {
@@ -77,7 +77,7 @@ func TestParseExtraStreamFilters_Success(t *testing.T) {
 	// LogsQL filter
 	f(`foobar`, `foobar`)
 	f(`foo:bar`, `foo:bar`)
-	f(`foo:(bar or baz) error _time:5m {"foo"=bar,baz="z"}`, `{foo="bar",baz="z"} (foo:bar or foo:baz) error _time:5m`)
+	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) {
--- a/app/vlselect/main.go
+++ b/app/vlselect/main.go
@@ -12,7 +12,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vlselect/logsql"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/cgroup"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -71,7 +71,6 @@ var vmuiFileServer = http.FileServer(http.FS(vmuiFiles))
 // RequestHandler handles select requests for VictoriaLogs
 func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 	path := r.URL.Path
-
 	if !strings.HasPrefix(path, "/select/") {
 		// Skip requests, which do not start with /select/, since these aren't our requests.
 		return false
@@ -106,10 +105,38 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 	ctxWithTimeout, cancel := context.WithTimeout(ctx, d)
 	defer cancel()

-	if !incRequestConcurrency(ctxWithTimeout, w, r) {
-		return true
+	stopCh := ctxWithTimeout.Done()
+	select {
+	case concurrencyLimitCh <- struct{}{}:
+		defer func() { <-concurrencyLimitCh }()
+	default:
+		// Sleep for a while until giving up. This should resolve short bursts in requests.
+		concurrencyLimitReached.Inc()
+		select {
+		case concurrencyLimitCh <- struct{}{}:
+			defer func() { <-concurrencyLimitCh }()
+		case <-stopCh:
+			switch ctxWithTimeout.Err() {
+			case context.Canceled:
+				remoteAddr := httpserver.GetQuotedRemoteAddr(r)
+				requestURI := httpserver.GetRequestURI(r)
+				logger.Infof("client has canceled the pending request after %.3f seconds: remoteAddr=%s, requestURI: %q",
+					time.Since(startTime).Seconds(), remoteAddr, requestURI)
+			case context.DeadlineExceeded:
+				concurrencyLimitTimeout.Inc()
+				err := &httpserver.ErrorWithStatusCode{
+					Err: fmt.Errorf("couldn't start executing the request in %.3f seconds, since -search.maxConcurrentRequests=%d concurrent requests "+
+						"are executed. Possible solutions: to reduce query load; to add more compute resources to the server; "+
+						"to increase -search.maxQueueDuration=%s; to increase -search.maxQueryDuration=%s; to increase -search.maxConcurrentRequests; "+
+						"to pass bigger value to 'timeout' query arg",
+						d.Seconds(), *maxConcurrentRequests, maxQueueDuration, maxQueryDuration),
+					StatusCode: http.StatusServiceUnavailable,
+				}
+				httpserver.Errorf(w, r, "%s", err)
+			}
+			return true
+		}
 	}
-	defer decRequestConcurrency()

 	if path == "/select/logsql/tail" {
 		logsqlTailRequests.Inc()
@@ -136,7 +163,7 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 	case context.DeadlineExceeded:
 		err = &httpserver.ErrorWithStatusCode{
 			Err: fmt.Errorf("the request couldn't be executed in %.3f seconds; possible solutions: "+
-				"to increase -search.maxQueryDuration=%s; to pass bigger value to 'timeout' query arg", time.Since(startTime).Seconds(), maxQueryDuration),
+				"to increase -search.maxQueryDuration=%s; to pass bigger value to 'timeout' query arg", d.Seconds(), maxQueryDuration),
 			StatusCode: http.StatusServiceUnavailable,
 		}
 		httpserver.Errorf(w, r, "%s", err)
@@ -147,104 +174,52 @@ func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
 	return true
 }

-func incRequestConcurrency(ctx context.Context, w http.ResponseWriter, r *http.Request) bool {
-	startTime := time.Now()
-	stopCh := ctx.Done()
-	select {
-	case concurrencyLimitCh <- struct{}{}:
-		return true
-	default:
-		// Sleep for a while until giving up. This should resolve short bursts in requests.
-		concurrencyLimitReached.Inc()
-		select {
-		case concurrencyLimitCh <- struct{}{}:
-			return true
-		case <-stopCh:
-			switch ctx.Err() {
-			case context.Canceled:
-				remoteAddr := httpserver.GetQuotedRemoteAddr(r)
-				requestURI := httpserver.GetRequestURI(r)
-				logger.Infof("client has canceled the pending request after %.3f seconds: remoteAddr=%s, requestURI: %q",
-					time.Since(startTime).Seconds(), remoteAddr, requestURI)
-			case context.DeadlineExceeded:
-				concurrencyLimitTimeout.Inc()
-				err := &httpserver.ErrorWithStatusCode{
-					Err: fmt.Errorf("couldn't start executing the request in %.3f seconds, since -search.maxConcurrentRequests=%d concurrent requests "+
-						"are executed. Possible solutions: to reduce query load; to add more compute resources to the server; "+
-						"to increase -search.maxQueueDuration=%s; to increase -search.maxQueryDuration=%s; to increase -search.maxConcurrentRequests; "+
-						"to pass bigger value to 'timeout' query arg",
-						time.Since(startTime).Seconds(), *maxConcurrentRequests, maxQueueDuration, maxQueryDuration),
-					StatusCode: http.StatusServiceUnavailable,
-				}
-				httpserver.Errorf(w, r, "%s", err)
-			}
-			return false
-		}
-	}
-}
-
-func decRequestConcurrency() {
-	<-concurrencyLimitCh
-}
-
 func processSelectRequest(ctx context.Context, w http.ResponseWriter, r *http.Request, path string) bool {
 	httpserver.EnableCORS(w, r)
-	startTime := time.Now()
 	switch path {
 	case "/select/logsql/facets":
 		logsqlFacetsRequests.Inc()
 		logsql.ProcessFacetsRequest(ctx, w, r)
-		logsqlFacetsDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/field_names":
 		logsqlFieldNamesRequests.Inc()
 		logsql.ProcessFieldNamesRequest(ctx, w, r)
-		logsqlFieldNamesDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/field_values":
 		logsqlFieldValuesRequests.Inc()
 		logsql.ProcessFieldValuesRequest(ctx, w, r)
-		logsqlFieldValuesDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/hits":
 		logsqlHitsRequests.Inc()
 		logsql.ProcessHitsRequest(ctx, w, r)
-		logsqlHitsDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/query":
 		logsqlQueryRequests.Inc()
 		logsql.ProcessQueryRequest(ctx, w, r)
-		logsqlQueryDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/stats_query":
 		logsqlStatsQueryRequests.Inc()
 		logsql.ProcessStatsQueryRequest(ctx, w, r)
-		logsqlStatsQueryDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/stats_query_range":
 		logsqlStatsQueryRangeRequests.Inc()
 		logsql.ProcessStatsQueryRangeRequest(ctx, w, r)
-		logsqlStatsQueryRangeDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/stream_field_names":
 		logsqlStreamFieldNamesRequests.Inc()
 		logsql.ProcessStreamFieldNamesRequest(ctx, w, r)
-		logsqlStreamFieldNamesDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/stream_field_values":
 		logsqlStreamFieldValuesRequests.Inc()
 		logsql.ProcessStreamFieldValuesRequest(ctx, w, r)
-		logsqlStreamFieldValuesDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/stream_ids":
 		logsqlStreamIDsRequests.Inc()
 		logsql.ProcessStreamIDsRequest(ctx, w, r)
-		logsqlStreamIDsDuration.UpdateDuration(startTime)
 		return true
 	case "/select/logsql/streams":
 		logsqlStreamsRequests.Inc()
 		logsql.ProcessStreamsRequest(ctx, w, r)
-		logsqlStreamsDuration.UpdateDuration(startTime)
 		return true
 	default:
 		return false
@@ -253,7 +228,7 @@ func processSelectRequest(ctx context.Context, w http.ResponseWriter, r *http.Re

 // getMaxQueryDuration returns the maximum duration for query from r.
 func getMaxQueryDuration(r *http.Request) time.Duration {
-	dms, err := httputil.GetDuration(r, "timeout", 0)
+	dms, err := httputils.GetDuration(r, "timeout", 0)
 	if err != nil {
 		dms = 0
 	}
@@ -265,39 +240,16 @@ func getMaxQueryDuration(r *http.Request) time.Duration {
 }

 var (
-	logsqlFacetsRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/facets"}`)
-	logsqlFacetsDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/facets"}`)
-
-	logsqlFieldNamesRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/field_names"}`)
-	logsqlFieldNamesDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/field_names"}`)
-
-	logsqlFieldValuesRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/field_values"}`)
-	logsqlFieldValuesDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/field_values"}`)
-
-	logsqlHitsRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/hits"}`)
-	logsqlHitsDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/hits"}`)
-
-	logsqlQueryRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/query"}`)
-	logsqlQueryDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/query"}`)
-
-	logsqlStatsQueryRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/stats_query"}`)
-	logsqlStatsQueryDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/stats_query"}`)
-
-	logsqlStatsQueryRangeRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/stats_query_range"}`)
-	logsqlStatsQueryRangeDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/stats_query_range"}`)
-
-	logsqlStreamFieldNamesRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/stream_field_names"}`)
-	logsqlStreamFieldNamesDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/stream_field_names"}`)
-
+	logsqlFacetsRequests            = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/facets"}`)
+	logsqlFieldNamesRequests        = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/field_names"}`)
+	logsqlFieldValuesRequests       = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/field_values"}`)
+	logsqlHitsRequests              = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/hits"}`)
+	logsqlQueryRequests             = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/query"}`)
+	logsqlStatsQueryRequests        = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/stats_query"}`)
+	logsqlStatsQueryRangeRequests   = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/stats_query_range"}`)
+	logsqlStreamFieldNamesRequests  = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/stream_field_names"}`)
 	logsqlStreamFieldValuesRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/stream_field_values"}`)
-	logsqlStreamFieldValuesDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/stream_field_values"}`)
-
-	logsqlStreamIDsRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/stream_ids"}`)
-	logsqlStreamIDsDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/stream_ids"}`)
-
-	logsqlStreamsRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/streams"}`)
-	logsqlStreamsDuration = metrics.NewSummary(`vl_http_request_duration_seconds{path="/select/logsql/streams"}`)
-
-	// no need to track duration for tail requests, as they usually take long time
-	logsqlTailRequests = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/tail"}`)
+	logsqlStreamIDsRequests         = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/stream_ids"}`)
+	logsqlStreamsRequests           = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/streams"}`)
+	logsqlTailRequests              = metrics.NewCounter(`vl_http_requests_total{path="/select/logsql/tail"}`)
 )
--- a/app/vlselect/vmui/asset-manifest.json
+++ b/app/vlselect/vmui/asset-manifest.json
@@ -0,0 +1,13 @@
+{
+  "files": {
+    "main.css": "./static/css/main.fa83344e.css",
+    "main.js": "./static/js/main.8ad2bc1f.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.fa83344e.css",
+    "static/js/main.8ad2bc1f.js"
+  ]
+}
--- a/app/vlselect/vmui/assets/index-BgdvCSTM.js
+++ b/app/vlselect/vmui/assets/index-BgdvCSTM.js
--- a/app/vlselect/vmui/assets/index-u4IOGr0E.css
+++ b/app/vlselect/vmui/assets/index-u4IOGr0E.css
--- a/app/vlselect/vmui/assets/vendor-D1GxaB_c.css
+++ b/app/vlselect/vmui/assets/vendor-D1GxaB_c.css
@@ -1 +0,0 @@
-.uplot,.uplot *,.uplot *:before,.uplot *:after{box-sizing:border-box}.uplot{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";line-height:1.5;width:min-content}.u-title{text-align:center;font-size:18px;font-weight:700}.u-wrap{position:relative;-webkit-user-select:none;user-select:none}.u-over,.u-under{position:absolute}.u-under{overflow:hidden}.uplot canvas{display:block;position:relative;width:100%;height:100%}.u-axis{position:absolute}.u-legend{font-size:14px;margin:auto;text-align:center}.u-inline{display:block}.u-inline *{display:inline-block}.u-inline tr{margin-right:16px}.u-legend th{font-weight:600}.u-legend th>*{vertical-align:middle;display:inline-block}.u-legend .u-marker{width:1em;height:1em;margin-right:4px;background-clip:padding-box!important}.u-inline.u-live th:after{content:":";vertical-align:middle}.u-inline:not(.u-live) .u-value{display:none}.u-series>*{padding:4px}.u-series th{cursor:pointer}.u-legend .u-off>*{opacity:.3}.u-select{background:#00000012;position:absolute;pointer-events:none}.u-cursor-x,.u-cursor-y{position:absolute;left:0;top:0;pointer-events:none;will-change:transform}.u-hz .u-cursor-x,.u-vt .u-cursor-y{height:100%;border-right:1px dashed #607D8B}.u-hz .u-cursor-y,.u-vt .u-cursor-x{width:100%;border-bottom:1px dashed #607D8B}.u-cursor-pt{position:absolute;top:0;left:0;border-radius:50%;border:0 solid;pointer-events:none;will-change:transform;background-clip:padding-box!important}.u-axis.u-off,.u-select.u-off,.u-cursor-x.u-off,.u-cursor-y.u-off,.u-cursor-pt.u-off{display:none}
--- a/app/vlselect/vmui/assets/vendor-DojlIpLz.js
+++ b/app/vlselect/vmui/assets/vendor-DojlIpLz.js
--- a/app/vlselect/vmui/index.html
+++ b/app/vlselect/vmui/index.html
@@ -1,57 +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"/>
-  <!--
-    manifest.json provides metadata used when your web app is installed on a
-    user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
-  -->
-  <link rel="manifest" href="./manifest.json"/>
-  <!--
-    Notice the use of in the tags above.
-    It will be replaced with the URL of the `public` folder during the build.
-    Only files inside the `public` folder can be referenced from the HTML.
-
-    Unlike "/favicon.ico" or "favicon.ico", "/favicon.ico" will
-    work correctly both with client-side routing and a non-root public URL.
-    Learn how to configure a non-root public URL by running `npm run build`.
-  -->
-  <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 type="module" crossorigin src="./assets/index-BgdvCSTM.js"></script>
-  <link rel="modulepreload" crossorigin href="./assets/vendor-DojlIpLz.js">
-  <link rel="stylesheet" crossorigin href="./assets/vendor-D1GxaB_c.css">
-  <link rel="stylesheet" crossorigin href="./assets/index-u4IOGr0E.css">
-</head>
-<body>
-<noscript>You need to enable JavaScript to run this app.</noscript>
-<div id="root"></div>
-<!--
-  This HTML file is a template.
-  If you open it directly in the browser, you will see an empty page.
-
-  You can add webfonts, meta tags, or analytics to this file.
-  The build step will place the bundled scripts into the <body> tag.
-
-  To begin the development, run `npm start` or `yarn start`.
-  To create a production bundle, use `npm run build` or `yarn build`.
-->
-</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.8ad2bc1f.js"></script><link href="./static/css/main.fa83344e.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>
--- a/app/vlselect/vmui/static/css/main.fa83344e.css
+++ b/app/vlselect/vmui/static/css/main.fa83344e.css
--- a/app/vlselect/vmui/static/js/685.f772060c.chunk.js
+++ b/app/vlselect/vmui/static/js/685.f772060c.chunk.js
--- a/app/vlselect/vmui/static/js/main.8ad2bc1f.js
+++ b/app/vlselect/vmui/static/js/main.8ad2bc1f.js
--- a/app/vlselect/vmui/static/js/main.8ad2bc1f.js.LICENSE.txt
+++ b/app/vlselect/vmui/static/js/main.8ad2bc1f.js.LICENSE.txt
@@ -0,0 +1,38 @@
+/*!
+	Copyright (c) 2018 Jed Watson.
+	Licensed under the MIT License (MIT), see
+	http://jedwatson.github.io/classnames
+*/
+
+/**
+ * @remix-run/router v1.19.2
+ *
+ * Copyright (c) Remix Software Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE.md file in the root directory of this source tree.
+ *
+ * @license MIT
+ */
+
+/**
+ * React Router DOM v6.26.2
+ *
+ * Copyright (c) Remix Software Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE.md file in the root directory of this source tree.
+ *
+ * @license MIT
+ */
+
+/**
+ * React Router v6.26.2
+ *
+ * Copyright (c) Remix Software Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE.md file in the root directory of this source tree.
+ *
+ * @license MIT
+ */
--- a/app/vlselect/vmui/static/media/MetricsQL.a00044c91d9781cf8557.md
+++ b/app/vlselect/vmui/static/media/MetricsQL.a00044c91d9781cf8557.md
@@ -2349,4 +2349,4 @@ VictoriaMetrics performs the following implicit conversions for incoming queries
  is passed to [rollup function](#rollup-functions), then a [subquery](#subqueries) with `1i` lookbehind window and `1i` step is automatically formed.
  For example, `rate(sum(up))` is automatically converted to `rate((sum(default_rollup(up)))[1i:1i])`.
  This behavior can be disabled or logged via `-search.disableImplicitConversion` and `-search.logImplicitConversion` command-line flags
-  starting from [`v1.102.0-rc2` release](https://docs.victoriametrics.com/changelog/changelog_2024/#v11020-rc2).
+  starting from [`v1.101.0` release](https://docs.victoriametrics.com/changelog/).
--- a/app/vmagent/csvimport/request_handler.go
+++ b/app/vmagent/csvimport/request_handler.go
@@ -7,9 +7,9 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/remotewrite"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
+	parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -22,16 +22,16 @@ var (

 // InsertHandler processes csv data from req.
 func InsertHandler(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
-	return stream.Parse(req, func(rows []csvimport.Row) error {
+	return stream.Parse(req, func(rows []parser.Row) error {
 		return insertRows(at, rows, extraLabels)
 	})
 }

-func insertRows(at *auth.Token, rows []csvimport.Row, extraLabels []prompbmarshal.Label) error {
+func insertRows(at *auth.Token, rows []parser.Row, extraLabels []prompbmarshal.Label) error {
 	ctx := common.GetPushCtx()
 	defer common.PutPushCtx(ctx)

--- a/app/vmagent/datadogsketches/request_handler.go
+++ b/app/vmagent/datadogsketches/request_handler.go
@@ -7,10 +7,10 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/remotewrite"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogsketches"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogsketches/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogutil"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -23,7 +23,7 @@ var (

 // InsertHandlerForHTTP processes remote write for DataDog POST /api/beta/sketches request.
 func InsertHandlerForHTTP(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
@@ -56,7 +56,7 @@ func insertRows(at *auth.Token, sketches []*datadogsketches.Sketch, extraLabels
 				})
 			}
 			for _, tag := range sketch.Tags {
-				name, value := datadogutil.SplitTag(tag)
+				name, value := datadogutils.SplitTag(tag)
 				if name == "host" {
 					name = "exported_host"
 				}
--- a/app/vmagent/datadogv1/request_handler.go
+++ b/app/vmagent/datadogv1/request_handler.go
@@ -7,10 +7,10 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/remotewrite"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogutil"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogv1"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogv1/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -23,7 +23,7 @@ var (

 // InsertHandlerForHTTP processes remote write for DataDog POST /api/v1/series request.
 func InsertHandlerForHTTP(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
@@ -62,7 +62,7 @@ func insertRows(at *auth.Token, series []datadogv1.Series, extraLabels []prompbm
 			})
 		}
 		for _, tag := range ss.Tags {
-			name, value := datadogutil.SplitTag(tag)
+			name, value := datadogutils.SplitTag(tag)
 			if name == "host" {
 				name = "exported_host"
 			}
--- a/app/vmagent/datadogv2/request_handler.go
+++ b/app/vmagent/datadogv2/request_handler.go
@@ -7,10 +7,10 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/remotewrite"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogutil"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogv2"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/datadogv2/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -25,7 +25,7 @@ var (
 //
 // See https://docs.datadoghq.com/api/latest/metrics/#submit-metrics
 func InsertHandlerForHTTP(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
@@ -65,7 +65,7 @@ func insertRows(at *auth.Token, series []datadogv2.Series, extraLabels []prompbm
 			})
 		}
 		for _, tag := range ss.Tags {
-			name, value := datadogutil.SplitTag(tag)
+			name, value := datadogutils.SplitTag(tag)
 			if name == "host" {
 				name = "exported_host"
 			}
--- a/app/vmagent/graphite/request_handler.go
+++ b/app/vmagent/graphite/request_handler.go
@@ -21,7 +21,7 @@ var (
 //
 // See https://graphite.readthedocs.io/en/latest/feeding-carbon.html#the-plaintext-protocol
 func InsertHandler(r io.Reader) error {
-	return stream.Parse(r, "", func(rows []parser.Row) error {
+	return stream.Parse(r, false, func(rows []parser.Row) error {
 		return insertRows(nil, rows)
 	})
 }
--- a/app/vmagent/influx/request_handler.go
+++ b/app/vmagent/influx/request_handler.go
@@ -12,9 +12,9 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/influx"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
+	parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/influx"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/influx/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -35,8 +35,8 @@ var (
 // InsertHandlerForReader processes remote write for influx line protocol.
 //
 // See https://github.com/influxdata/telegraf/tree/master/plugins/inputs/socket_listener/
-func InsertHandlerForReader(at *auth.Token, r io.Reader, encoding string) error {
-	return stream.Parse(r, encoding, true, "", "", func(db string, rows []influx.Row) error {
+func InsertHandlerForReader(at *auth.Token, r io.Reader, isGzipped bool) error {
+	return stream.Parse(r, true, isGzipped, "", "", func(db string, rows []parser.Row) error {
 		return insertRows(at, db, rows, nil)
 	})
 }
@@ -45,22 +45,22 @@ func InsertHandlerForReader(at *auth.Token, r io.Reader, encoding string) error
 //
 // See https://github.com/influxdata/influxdb/blob/4cbdc197b8117fee648d62e2e5be75c6575352f0/tsdb/README.md
 func InsertHandlerForHTTP(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
+	isGzipped := req.Header.Get("Content-Encoding") == "gzip"
+	isStreamMode := req.Header.Get("Stream-Mode") == "1"
 	q := req.URL.Query()
 	precision := q.Get("precision")
 	// Read db tag from https://docs.influxdata.com/influxdb/v1.7/tools/api/#write-http-endpoint
 	db := q.Get("db")
-	encoding := req.Header.Get("Content-Encoding")
-	isStreamMode := req.Header.Get("Stream-Mode") == "1"
-	return stream.Parse(req.Body, encoding, isStreamMode, precision, db, func(db string, rows []influx.Row) error {
+	return stream.Parse(req.Body, isStreamMode, isGzipped, precision, db, func(db string, rows []parser.Row) error {
 		return insertRows(at, db, rows, extraLabels)
 	})
 }

-func insertRows(at *auth.Token, db string, rows []influx.Row, extraLabels []prompbmarshal.Label) error {
+func insertRows(at *auth.Token, db string, rows []parser.Row, extraLabels []prompbmarshal.Label) error {
 	ctx := getPushCtx()
 	defer putPushCtx(ctx)

--- a/app/vmagent/main.go
+++ b/app/vmagent/main.go
@@ -34,7 +34,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/envflag"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/influxutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/influxutils"
 	graphiteserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/graphite"
 	influxserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/influx"
 	opentsdbserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/opentsdb"
@@ -42,8 +42,8 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/procutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentelemetry/firehose"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/pushmetrics"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/stringsutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeserieslimits"
@@ -145,10 +145,10 @@ func main() {
 	startTime := time.Now()
 	remotewrite.StartIngestionRateLimiter()
 	remotewrite.Init()
-	protoparserutil.StartUnmarshalWorkers()
+	common.StartUnmarshalWorkers()
 	if len(*influxListenAddr) > 0 {
 		influxServer = influxserver.MustStart(*influxListenAddr, *influxUseProxyProtocol, func(r io.Reader) error {
-			return influx.InsertHandlerForReader(nil, r, "")
+			return influx.InsertHandlerForReader(nil, r, false)
 		})
 	}
 	if len(*graphiteListenAddr) > 0 {
@@ -195,7 +195,7 @@ func main() {
 	if len(*opentsdbHTTPListenAddr) > 0 {
 		opentsdbhttpServer.MustStop()
 	}
-	protoparserutil.StopUnmarshalWorkers()
+	common.StopUnmarshalWorkers()
 	remotewrite.Stop()

 	logger.Infof("successfully stopped vmagent in %.3f seconds", time.Since(startTime).Seconds())
@@ -282,7 +282,7 @@ func requestHandler(w http.ResponseWriter, r *http.Request) bool {
 	}
 	switch path {
 	case "/prometheus/api/v1/write", "/api/v1/write", "/api/v1/push", "/prometheus/api/v1/push":
-		if protoparserutil.HandleVMProtoServerHandshake(w, r) {
+		if common.HandleVMProtoServerHandshake(w, r) {
 			return true
 		}
 		prometheusWriteRequests.Inc()
@@ -331,11 +331,11 @@ func requestHandler(w http.ResponseWriter, r *http.Request) bool {
 		return true
 	case "/influx/query", "/query":
 		influxQueryRequests.Inc()
-		influxutil.WriteDatabaseNames(w)
+		influxutils.WriteDatabaseNames(w)
 		return true
 	case "/influx/health":
 		influxHealthRequests.Inc()
-		influxutil.WriteHealthCheckResponse(w)
+		influxutils.WriteHealthCheckResponse(w)
 		return true
 	case "/opentelemetry/api/v1/push", "/opentelemetry/v1/metrics":
 		opentelemetryPushRequests.Inc()
@@ -587,11 +587,11 @@ func processMultitenantRequest(w http.ResponseWriter, r *http.Request, path stri
 		return true
 	case "influx/query":
 		influxQueryRequests.Inc()
-		influxutil.WriteDatabaseNames(w)
+		influxutils.WriteDatabaseNames(w)
 		return true
 	case "influx/health":
 		influxHealthRequests.Inc()
-		influxutil.WriteHealthCheckResponse(w)
+		influxutils.WriteHealthCheckResponse(w)
 		return true
 	case "opentelemetry/api/v1/push", "opentelemetry/v1/metrics":
 		opentelemetryPushRequests.Inc()
--- a/app/vmagent/native/request_handler.go
+++ b/app/vmagent/native/request_handler.go
@@ -9,8 +9,8 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/native/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -25,12 +25,12 @@ var (
 //
 // See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6
 func InsertHandler(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
-	encoding := req.Header.Get("Content-Encoding")
-	return stream.Parse(req.Body, encoding, func(block *stream.Block) error {
+	isGzip := req.Header.Get("Content-Encoding") == "gzip"
+	return stream.Parse(req.Body, isGzip, func(block *stream.Block) error {
 		return insertRows(at, block, extraLabels)
 	})
 }
--- a/app/vmagent/newrelic/request_handler.go
+++ b/app/vmagent/newrelic/request_handler.go
@@ -10,9 +10,9 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/newrelic"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/newrelic/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 )

@@ -24,12 +24,13 @@ var (

 // InsertHandlerForHTTP processes remote write for NewRelic POST /infra/v2/metrics/events/bulk request.
 func InsertHandlerForHTTP(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
-	encoding := req.Header.Get("Content-Encoding")
-	return stream.Parse(req.Body, encoding, func(rows []newrelic.Row) error {
+	ce := req.Header.Get("Content-Encoding")
+	isGzip := ce == "gzip"
+	return stream.Parse(req.Body, isGzip, func(rows []newrelic.Row) error {
 		return insertRows(at, rows, extraLabels)
 	})
 }
--- a/app/vmagent/opentelemetry/request_handler.go
+++ b/app/vmagent/opentelemetry/request_handler.go
@@ -8,9 +8,9 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/remotewrite"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentelemetry/firehose"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentelemetry/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -23,11 +23,11 @@ var (

 // InsertHandler processes opentelemetry metrics.
 func InsertHandler(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
-	encoding := req.Header.Get("Content-Encoding")
+	isGzipped := req.Header.Get("Content-Encoding") == "gzip"
 	var processBody func([]byte) ([]byte, error)
 	if req.Header.Get("Content-Type") == "application/json" {
 		if req.Header.Get("X-Amz-Firehose-Protocol-Version") != "" {
@@ -36,7 +36,7 @@ func InsertHandler(at *auth.Token, req *http.Request) error {
 			return fmt.Errorf("json encoding isn't supported for opentelemetry format. Use protobuf encoding")
 		}
 	}
-	return stream.ParseStream(req.Body, encoding, processBody, func(tss []prompbmarshal.TimeSeries) error {
+	return stream.ParseStream(req.Body, isGzipped, processBody, func(tss []prompbmarshal.TimeSeries) error {
 		return insertRows(at, tss, extraLabels)
 	})
 }
--- a/app/vmagent/opentsdbhttp/request_handler.go
+++ b/app/vmagent/opentsdbhttp/request_handler.go
@@ -7,9 +7,9 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/remotewrite"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentsdbhttp"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
+	parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentsdbhttp"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentsdbhttp/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/metrics"
 )

@@ -21,16 +21,16 @@ var (
 // InsertHandler processes HTTP OpenTSDB put requests.
 // See http://opentsdb.net/docs/build/html/api_http/put.html
 func InsertHandler(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
-	return stream.Parse(req, func(rows []opentsdbhttp.Row) error {
+	return stream.Parse(req, func(rows []parser.Row) error {
 		return insertRows(at, rows, extraLabels)
 	})
 }

-func insertRows(at *auth.Token, rows []opentsdbhttp.Row, extraLabels []prompbmarshal.Label) error {
+func insertRows(at *auth.Token, rows []parser.Row, extraLabels []prompbmarshal.Label) error {
 	ctx := common.GetPushCtx()
 	defer common.PutPushCtx(ctx)

--- a/app/vmagent/prometheusimport/request_handler.go
+++ b/app/vmagent/prometheusimport/request_handler.go
@@ -8,9 +8,9 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/prometheus"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
+	parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/prometheus"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/prometheus/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -23,23 +23,23 @@ var (

 // InsertHandler processes `/api/v1/import/prometheus` request.
 func InsertHandler(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
-	defaultTimestamp, err := protoparserutil.GetTimestamp(req)
+	defaultTimestamp, err := parserCommon.GetTimestamp(req)
 	if err != nil {
 		return err
 	}
-	encoding := req.Header.Get("Content-Encoding")
-	return stream.Parse(req.Body, defaultTimestamp, encoding, true, func(rows []prometheus.Row) error {
+	isGzipped := req.Header.Get("Content-Encoding") == "gzip"
+	return stream.Parse(req.Body, defaultTimestamp, isGzipped, true, func(rows []parser.Row) error {
 		return insertRows(at, rows, extraLabels)
 	}, func(s string) {
 		httpserver.LogError(req, s)
 	})
 }

-func insertRows(at *auth.Token, rows []prometheus.Row, extraLabels []prompbmarshal.Label) error {
+func insertRows(at *auth.Token, rows []parser.Row, extraLabels []prompbmarshal.Label) error {
 	ctx := common.GetPushCtx()
 	defer common.PutPushCtx(ctx)

--- a/app/vmagent/prometheusimport/request_handler_test.go
+++ b/app/vmagent/prometheusimport/request_handler_test.go
@@ -12,7 +12,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/remotewrite"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 )

 var (
@@ -26,7 +26,7 @@ func TestInsertHandler(t *testing.T) {
 	req := httptest.NewRequest(http.MethodPost, "/insert/0/api/v1/import/prometheus", bytes.NewBufferString(`{"foo":"bar"}
 go_memstats_alloc_bytes_total 1`))
 	if err := InsertHandler(nil, req); err != nil {
-		t.Fatalf("unexpected error %s", err)
+		t.Fatalf("unxepected error %s", err)
 	}
 	expectedMsg := "cannot unmarshal Prometheus line"
 	if !strings.Contains(testOutput.String(), expectedMsg) {
@@ -44,14 +44,14 @@ func setUp() {
 		log.Fatalf("unable to set %q with value %q, err: %v", remoteWriteFlag, srv.URL, err)
 	}
 	logger.Init()
-	protoparserutil.StartUnmarshalWorkers()
+	common.StartUnmarshalWorkers()
 	remotewrite.Init()
 	testOutput = &bytes.Buffer{}
 	logger.SetOutputForTests(testOutput)
 }

 func tearDown() {
-	protoparserutil.StopUnmarshalWorkers()
+	common.StopUnmarshalWorkers()
 	srv.Close()
 	logger.ResetOutputForTest()
 	tmpDataDir := flag.Lookup("remoteWrite.tmpDataPath").Value.String()
--- a/app/vmagent/promremotewrite/request_handler.go
+++ b/app/vmagent/promremotewrite/request_handler.go
@@ -8,8 +8,8 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompb"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/promremotewrite/stream"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -22,7 +22,7 @@ var (

 // InsertHandler processes remote write for prometheus.
 func InsertHandler(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
--- a/app/vmagent/remotewrite/client.go
+++ b/app/vmagent/remotewrite/client.go
@@ -14,12 +14,11 @@ import (

 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/awsapi"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/netutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/persistentqueue"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/ratelimiter"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/timerpool"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeutil"
@@ -125,15 +124,14 @@ func newHTTPClient(argIdx int, remoteWriteURL, sanitizedURL string, fq *persiste
 	if err != nil {
 		logger.Fatalf("cannot initialize AWS Config for -remoteWrite.url=%q: %s", remoteWriteURL, err)
 	}
-
-	tr := httputil.NewTransport(false)
-	tr.DialContext = netutil.NewStatDialFunc("vmagent_remotewrite")
-	tr.TLSHandshakeTimeout = tlsHandshakeTimeout.GetOptionalArg(argIdx)
-	tr.MaxConnsPerHost = 2 * concurrency
-	tr.MaxIdleConnsPerHost = 2 * concurrency
-	tr.IdleConnTimeout = time.Minute
-	tr.WriteBufferSize = 64 * 1024
-
+	tr := &http.Transport{
+		DialContext:         netutil.NewStatDialFunc("vmagent_remotewrite"),
+		TLSHandshakeTimeout: tlsHandshakeTimeout.GetOptionalArg(argIdx),
+		MaxConnsPerHost:     2 * concurrency,
+		MaxIdleConnsPerHost: 2 * concurrency,
+		IdleConnTimeout:     time.Minute,
+		WriteBufferSize:     64 * 1024,
+	}
 	pURL := proxyURL.GetOptionalArg(argIdx)
 	if len(pURL) > 0 {
 		if !strings.Contains(pURL, "://") {
@@ -172,7 +170,7 @@ func newHTTPClient(argIdx int, remoteWriteURL, sanitizedURL string, fq *persiste
 		doRequest := func(url string) (*http.Response, error) {
 			return c.doRequest(url, nil)
 		}
-		useVMProto = protoparserutil.HandleVMProtoClientHandshake(c.remoteWriteURL, doRequest)
+		useVMProto = common.HandleVMProtoClientHandshake(c.remoteWriteURL, doRequest)
 		if !useVMProto {
 			logger.Infof("the remote storage at %q doesn't support VictoriaMetrics remote write protocol. Switching to Prometheus remote write protocol. "+
 				"See https://docs.victoriametrics.com/vmagent/#victoriametrics-remote-write-protocol", sanitizedURL)
--- a/app/vmagent/remotewrite/pendingseries.go
+++ b/app/vmagent/remotewrite/pendingseries.go
@@ -118,7 +118,7 @@ type writeRequest struct {
 }

 func (wr *writeRequest) reset() {
-	// Do not reset lastFlushTime, fq, isVMRemoteWrite, significantFigures and roundDigits, since they are reused.
+	// Do not reset lastFlushTime, fq, isVMRemoteWrite, significantFigures and roundDigits, since they are re-used.

 	wr.wr.Timeseries = nil

--- a/app/vmagent/remotewrite/relabel_test.go
+++ b/app/vmagent/remotewrite/relabel_test.go
@@ -6,7 +6,7 @@ import (

 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 )

 func TestApplyRelabeling(t *testing.T) {
@@ -63,7 +63,7 @@ func TestAppendExtraLabels(t *testing.T) {
 func parseSeries(data string) []prompbmarshal.TimeSeries {
 	var tss []prompbmarshal.TimeSeries
 	tss = append(tss, prompbmarshal.TimeSeries{
-		Labels: promutil.MustNewLabelsFromString(data).GetLabels(),
+		Labels: promutils.MustNewLabelsFromString(data).GetLabels(),
 	})
 	return tss
 }
--- a/app/vmagent/remotewrite/remotewrite.go
+++ b/app/vmagent/remotewrite/remotewrite.go
@@ -25,7 +25,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/procutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/ratelimiter"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/streamaggr"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeserieslimits"
@@ -578,7 +578,7 @@ func tryShardingBlockAmongRemoteStorages(rwctxs []*remoteWriteCtx, tssBlock []pr
 	defer putTSSShards(x)

 	shards := x.shards
-	tmpLabels := promutil.GetLabels()
+	tmpLabels := promutils.GetLabels()
 	for _, ts := range tssBlock {
 		hashLabels := ts.Labels
 		if len(shardByURLLabelsMap) > 0 {
@@ -613,7 +613,7 @@ func tryShardingBlockAmongRemoteStorages(rwctxs []*remoteWriteCtx, tssBlock []pr
 			}
 		}
 	}
-	promutil.PutLabels(tmpLabels)
+	promutils.PutLabels(tmpLabels)

 	// Push sharded samples to remote storage systems in parallel in order to reduce
 	// the time needed for sending the data to multiple remote storage systems.
--- a/app/vmagent/remotewrite/remotewrite_test.go
+++ b/app/vmagent/remotewrite/remotewrite_test.go
@@ -9,7 +9,6 @@ import (

 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/prometheus"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/streamaggr"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -54,7 +53,7 @@ func TestGetLabelsHash_Distribution(t *testing.T) {
 }

 func TestRemoteWriteContext_TryPush_ImmutableTimeseries(t *testing.T) {
-	f := func(streamAggrConfig, relabelConfig string, enableWindows bool, dedupInterval time.Duration, keepInput, dropInput bool, input string) {
+	f := func(streamAggrConfig, relabelConfig string, dedupInterval time.Duration, keepInput, dropInput bool, input string) {
 		t.Helper()
 		perURLRelabel, err := promrelabel.ParseRelabelConfigsData([]byte(relabelConfig))
 		if err != nil {
@@ -78,15 +77,12 @@ func TestRemoteWriteContext_TryPush_ImmutableTimeseries(t *testing.T) {
 			rowsDroppedByRelabel:   metrics.GetOrCreateCounter(`bar`),
 		}
 		if dedupInterval > 0 {
-			rwctx.deduplicator = streamaggr.NewDeduplicator(nil, enableWindows, dedupInterval, nil, "dedup-global")
+			rwctx.deduplicator = streamaggr.NewDeduplicator(nil, dedupInterval, nil, "dedup-global")
 		}

 		if streamAggrConfig != "" {
 			pushNoop := func(_ []prompbmarshal.TimeSeries) {}
-			opts := streamaggr.Options{
-				EnableWindows: enableWindows,
-			}
-			sas, err := streamaggr.LoadFromData([]byte(streamAggrConfig), pushNoop, &opts, "global")
+			sas, err := streamaggr.LoadFromData([]byte(streamAggrConfig), pushNoop, nil, "global")
 			if err != nil {
 				t.Fatalf("cannot load streamaggr configs: %s", err)
 			}
@@ -95,7 +91,7 @@ func TestRemoteWriteContext_TryPush_ImmutableTimeseries(t *testing.T) {
 		}

 		offsetMsecs := time.Now().UnixMilli()
-		inputTss := prometheus.MustParsePromMetrics(input, offsetMsecs)
+		inputTss := prompbmarshal.MustParsePromMetrics(input, offsetMsecs)
 		expectedTss := make([]prompbmarshal.TimeSeries, len(inputTss))

 		// copy inputTss to make sure it is not mutated during TryPush call
@@ -118,13 +114,13 @@ func TestRemoteWriteContext_TryPush_ImmutableTimeseries(t *testing.T) {
 - action: keep
  source_labels: [env]
  regex: "dev"
-`, false, 0, false, false, `
+`, 0, false, false, `
 metric{env="dev"} 10
 metric{env="bar"} 20
 metric{env="dev"} 15
 metric{env="bar"} 25
 `)
-	f(``, ``, true, time.Hour, false, false, `
+	f(``, ``, time.Hour, false, false, `
 metric{env="dev"} 10
 metric{env="foo"} 20
 metric{env="dev"} 15
@@ -134,7 +130,7 @@ metric{env="foo"} 25
 - action: keep
  source_labels: [env]
  regex: "dev"
-`, true, time.Hour, false, false, `
+`, time.Hour, false, false, `
 metric{env="dev"} 10
 metric{env="bar"} 20
 metric{env="dev"} 15
@@ -144,7 +140,7 @@ metric{env="bar"} 25
 - action: keep
  source_labels: [env]
  regex: "dev"
-`, true, time.Hour, true, false, `
+`, time.Hour, true, false, `
 metric{env="test"} 10
 metric{env="dev"} 20
 metric{env="foo"} 15
@@ -154,7 +150,7 @@ metric{env="dev"} 25
 - action: keep
  source_labels: [env]
  regex: "dev"
-`, true, time.Hour, false, true, `
+`, time.Hour, false, true, `
 metric{env="foo"} 10
 metric{env="dev"} 20
 metric{env="foo"} 15
@@ -164,7 +160,7 @@ metric{env="dev"} 25
 - action: keep
  source_labels: [env]
  regex: "dev"
-`, true, time.Hour, true, true, `
+`, time.Hour, true, true, `
 metric{env="dev"} 10
 metric{env="test"} 20
 metric{env="dev"} 15
--- a/app/vmagent/remotewrite/streamaggr.go
+++ b/app/vmagent/remotewrite/streamaggr.go
@@ -35,9 +35,6 @@ var (
 		"clients pushing data into the vmagent. See https://docs.victoriametrics.com/stream-aggregation/#ignore-aggregation-intervals-on-start")
 	streamAggrGlobalDropInputLabels = flagutil.NewArrayString("streamAggr.dropInputLabels", "An optional list of labels to drop from samples for aggregator "+
 		"before stream de-duplication and aggregation . See https://docs.victoriametrics.com/stream-aggregation/#dropping-unneeded-labels")
-	streamAggrGlobalEnableWindows = flag.Bool("streamAggr.enableWindows", false, "Enables aggregation within fixed windows for all global aggregators. "+
-		"This allows to get more precise results, but impacts resource usage as it requires twice more memory to store two states. "+
-		"See https://docs.victoriametrics.com/stream-aggregation/#aggregation-windows.")

 	// Per URL config
 	streamAggrConfig = flagutil.NewArrayString("remoteWrite.streamAggr.config", "Optional path to file with stream aggregation config for the corresponding -remoteWrite.url. "+
@@ -56,15 +53,12 @@ var (
 		"See https://docs.victoriametrics.com/stream-aggregation/#ignoring-old-samples")
 	streamAggrIgnoreFirstIntervals = flagutil.NewArrayInt("remoteWrite.streamAggr.ignoreFirstIntervals", 0, "Number of aggregation intervals to skip after the start "+
 		"for the corresponding -remoteWrite.streamAggr.config at the corresponding -remoteWrite.url. Increase this value if "+
-		"you observe incorrect aggregation results after vmagent restarts. It could be caused by receiving buffered delayed data from clients pushing data into the vmagent. "+
+		"you observe incorrect aggregation results after vmagent restarts. It could be caused by receiving bufferred delayed data from clients pushing data into the vmagent. "+
 		"See https://docs.victoriametrics.com/stream-aggregation/#ignore-aggregation-intervals-on-start")
 	streamAggrDropInputLabels = flagutil.NewArrayString("remoteWrite.streamAggr.dropInputLabels", "An optional list of labels to drop from samples "+
 		"before stream de-duplication and aggregation with -remoteWrite.streamAggr.config and -remoteWrite.streamAggr.dedupInterval at the corresponding -remoteWrite.url. "+
 		"Multiple labels per remoteWrite.url must be delimited by '^^': -remoteWrite.streamAggr.dropInputLabels='replica^^az,replica'. "+
 		"See https://docs.victoriametrics.com/stream-aggregation/#dropping-unneeded-labels")
-	streamAggrEnableWindows = flagutil.NewArrayBool("remoteWrite.streamAggr.enableWindows", "Enables aggregation within fixed windows for all remote write's aggregators. "+
-		"This allows to get more precise results, but impacts resource usage as it requires twice more memory to store two states. "+
-		"See https://docs.victoriametrics.com/stream-aggregation/#aggregation-windows.")
 )

 // CheckStreamAggrConfigs checks -remoteWrite.streamAggr.config and -streamAggr.config.
@@ -131,7 +125,7 @@ func reloadStreamAggrConfigGlobal() {
 func initStreamAggrConfigGlobal() {
 	sas, err := newStreamAggrConfigGlobal()
 	if err != nil {
-		logger.Fatalf("cannot initialize global stream aggregators: %s", err)
+		logger.Fatalf("cannot initialize gloabl stream aggregators: %s", err)
 	}
 	if sas != nil {
 		filePath := sas.FilePath()
@@ -141,7 +135,7 @@ func initStreamAggrConfigGlobal() {
 	}
 	dedupInterval := *streamAggrGlobalDedupInterval
 	if dedupInterval > 0 {
-		deduplicatorGlobal = streamaggr.NewDeduplicator(pushToRemoteStoragesTrackDropped, *streamAggrGlobalEnableWindows, dedupInterval, *streamAggrGlobalDropInputLabels, "dedup-global")
+		deduplicatorGlobal = streamaggr.NewDeduplicator(pushToRemoteStoragesTrackDropped, dedupInterval, *streamAggrGlobalDropInputLabels, "dedup-global")
 	}
 }

@@ -167,7 +161,7 @@ func (rwctx *remoteWriteCtx) initStreamAggrConfig() {
 		if streamAggrDropInputLabels.GetOptionalArg(idx) != "" {
 			dropLabels = strings.Split(streamAggrDropInputLabels.GetOptionalArg(idx), "^^")
 		}
-		rwctx.deduplicator = streamaggr.NewDeduplicator(rwctx.pushInternalTrackDropped, *streamAggrGlobalEnableWindows, dedupInterval, dropLabels, alias)
+		rwctx.deduplicator = streamaggr.NewDeduplicator(rwctx.pushInternalTrackDropped, dedupInterval, dropLabels, alias)
 	}
 }

@@ -213,7 +207,6 @@ func newStreamAggrConfigGlobal() (*streamaggr.Aggregators, error) {
 		IgnoreOldSamples:     *streamAggrGlobalIgnoreOldSamples,
 		IgnoreFirstIntervals: *streamAggrGlobalIgnoreFirstIntervals,
 		KeepInput:            *streamAggrGlobalKeepInput,
-		EnableWindows:        *streamAggrGlobalEnableWindows,
 	}

 	sas, err := streamaggr.LoadFromFile(path, pushToRemoteStoragesTrackDropped, opts, "global")
@@ -247,7 +240,6 @@ func newStreamAggrConfigPerURL(idx int, pushFunc streamaggr.PushFunc) (*streamag
 		IgnoreOldSamples:     streamAggrIgnoreOldSamples.GetOptionalArg(idx),
 		IgnoreFirstIntervals: streamAggrIgnoreFirstIntervals.GetOptionalArg(idx),
 		KeepInput:            streamAggrKeepInput.GetOptionalArg(idx),
-		EnableWindows:        streamAggrEnableWindows.GetOptionalArg(idx),
 	}

 	sas, err := streamaggr.LoadFromFile(path, pushFunc, opts, alias)
--- a/app/vmagent/vmimport/request_handler.go
+++ b/app/vmagent/vmimport/request_handler.go
@@ -9,8 +9,8 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/vmimport"
+	parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
+	parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/vmimport"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/vmimport/stream"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
 	"github.com/VictoriaMetrics/metrics"
@@ -26,17 +26,17 @@ var (
 //
 // See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6
 func InsertHandler(at *auth.Token, req *http.Request) error {
-	extraLabels, err := protoparserutil.GetExtraLabels(req)
+	extraLabels, err := parserCommon.GetExtraLabels(req)
 	if err != nil {
 		return err
 	}
-	encoding := req.Header.Get("Content-Encoding")
-	return stream.Parse(req.Body, encoding, func(rows []vmimport.Row) error {
+	isGzipped := req.Header.Get("Content-Encoding") == "gzip"
+	return stream.Parse(req.Body, isGzipped, func(rows []parser.Row) error {
 		return insertRows(at, rows, extraLabels)
 	})
 }

-func insertRows(at *auth.Token, rows []vmimport.Row, extraLabels []prompbmarshal.Label) error {
+func insertRows(at *auth.Token, rows []parser.Row, extraLabels []prompbmarshal.Label) error {
 	ctx := common.GetPushCtx()
 	defer common.PutPushCtx(ctx)

--- a/app/vmalert-tool/main.go
+++ b/app/vmalert-tool/main.go
@@ -51,11 +51,6 @@ Examples:
 						Usage:    `Optional external URL to template in rule's labels or annotations.`,
 						Required: false,
 					},
-					&cli.StringFlag{
-						Name:     "httpListenPort",
-						Usage:    `Optional local port for incoming HTTP requests. If not specified, a random unoccupied port will be used.`,
-						Required: false,
-					},
 					&cli.StringFlag{
 						Name:     "loggerLevel",
 						Usage:    `Minimum level of errors to log. Possible values: INFO, WARN, ERROR, FATAL, PANIC (default "ERROR").`,
@@ -63,7 +58,7 @@ Examples:
 					},
 				},
 				Action: func(c *cli.Context) error {
-					if failed := unittest.UnitTest(c.StringSlice("files"), c.Bool("disableAlertgroupLabel"), c.StringSlice("external.label"), c.String("external.url"), c.String("httpListenPort"), c.String("loggerLevel")); failed {
+					if failed := unittest.UnitTest(c.StringSlice("files"), c.Bool("disableAlertgroupLabel"), c.StringSlice("external.label"), c.String("external.url"), c.String("loggerLevel")); failed {
 						return fmt.Errorf("unittest failed")
 					}
 					return nil
--- a/app/vmalert-tool/unittest/alerting.go
+++ b/app/vmalert-tool/unittest/alerting.go
@@ -1,15 +1,15 @@
 package unittest

 import (
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 )

 // alertTestCase holds alert_rule_test cases defined in test file
 type alertTestCase struct {
-	EvalTime  *promutil.Duration `yaml:"eval_time"`
-	GroupName string             `yaml:"groupname"`
-	Alertname string             `yaml:"alertname"`
-	ExpAlerts []expAlert         `yaml:"exp_alerts"`
+	EvalTime  *promutils.Duration `yaml:"eval_time"`
+	GroupName string              `yaml:"groupname"`
+	Alertname string              `yaml:"alertname"`
+	ExpAlerts []expAlert          `yaml:"exp_alerts"`
 }

 // expAlert holds exp_alerts defined in test file
--- a/app/vmalert-tool/unittest/input.go
+++ b/app/vmalert-tool/unittest/input.go
@@ -14,7 +14,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/decimal"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 	"github.com/VictoriaMetrics/metricsql"
 )

@@ -41,7 +41,7 @@ func httpWrite(address string, r io.Reader) {
 }

 // writeInputSeries send input series to vmstorage and flush them
-func writeInputSeries(input []series, interval *promutil.Duration, startStamp time.Time, dst string) error {
+func writeInputSeries(input []series, interval *promutils.Duration, startStamp time.Time, dst string) error {
 	r := testutil.WriteRequest{}
 	var err error
 	r.Timeseries, err = parseInputSeries(input, interval, startStamp)
@@ -56,7 +56,7 @@ func writeInputSeries(input []series, interval *promutil.Duration, startStamp ti
 	return nil
 }

-func parseInputSeries(input []series, interval *promutil.Duration, startStamp time.Time) ([]testutil.TimeSeries, error) {
+func parseInputSeries(input []series, interval *promutils.Duration, startStamp time.Time) ([]testutil.TimeSeries, error) {
 	var res []testutil.TimeSeries
 	for _, data := range input {
 		expr, err := metricsql.Parse(data.Series)
--- a/app/vmalert-tool/unittest/input_test.go
+++ b/app/vmalert-tool/unittest/input_test.go
@@ -5,7 +5,7 @@ import (
 	"time"

 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/decimal"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 )

 func TestParseInputValue_Failure(t *testing.T) {
@@ -70,7 +70,7 @@ func TestParseInputValue_Success(t *testing.T) {
 func TestParseInputSeries_Success(t *testing.T) {
 	f := func(input []series) {
 		t.Helper()
-		var interval promutil.Duration
+		var interval promutils.Duration
 		_, err := parseInputSeries(input, &interval, time.Now())
 		if err != nil {
 			t.Fatalf("expect to see no error: %v", err)
@@ -86,7 +86,7 @@ func TestParseInputSeries_Success(t *testing.T) {
 func TestParseInputSeries_Fail(t *testing.T) {
 	f := func(input []series) {
 		t.Helper()
-		var interval promutil.Duration
+		var interval promutils.Duration
 		_, err := parseInputSeries(input, &interval, time.Now())
 		if err == nil {
 			t.Fatalf("expect to see error: %v", err)
--- a/app/vmalert-tool/unittest/recording.go
+++ b/app/vmalert-tool/unittest/recording.go
@@ -10,15 +10,15 @@ import (

 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/datasource"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 	"github.com/VictoriaMetrics/metricsql"
 )

 // metricsqlTestCase holds metricsql_expr_test cases defined in test file
 type metricsqlTestCase struct {
-	Expr       string             `yaml:"expr"`
-	EvalTime   *promutil.Duration `yaml:"eval_time"`
-	ExpSamples []expSample        `yaml:"exp_samples"`
+	Expr       string              `yaml:"expr"`
+	EvalTime   *promutils.Duration `yaml:"eval_time"`
+	ExpSamples []expSample         `yaml:"exp_samples"`
 }

 type expSample struct {
@@ -95,7 +95,7 @@ Outer:
 	return
 }

-func durationToTime(pd *promutil.Duration) time.Time {
+func durationToTime(pd *promutils.Duration) time.Time {
 	if pd == nil {
 		return time.Time{}
 	}
--- a/app/vmalert-tool/unittest/unittest.go
+++ b/app/vmalert-tool/unittest/unittest.go
@@ -4,18 +4,13 @@ import (
 	"context"
 	"flag"
 	"fmt"
-	"net"
 	"net/http"
-	"net/http/httptest"
 	"net/url"
 	"os"
-	"os/signal"
 	"path/filepath"
 	"reflect"
 	"sort"
-	"strconv"
 	"strings"
-	"syscall"
 	"time"

 	"gopkg.in/yaml.v2"
@@ -33,18 +28,25 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/prometheus"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/promql"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 	"github.com/VictoriaMetrics/metrics"
 )

 var (
 	storagePath    string
-	httpListenAddr string
+	httpListenAddr = ":8880"
 	// insert series from 1970-01-01T00:00:00
-	testStartTime          = time.Unix(0, 0).UTC()
+	testStartTime = time.Unix(0, 0).UTC()
+
+	testPromWriteHTTPPath = "http://127.0.0.1" + httpListenAddr + "/api/v1/write"
+	testDataSourcePath    = "http://127.0.0.1" + httpListenAddr + "/prometheus"
+	testRemoteWritePath   = "http://127.0.0.1" + httpListenAddr
+	testHealthHTTPPath    = "http://127.0.0.1" + httpListenAddr + "/health"
+
 	testLogLevel           = "ERROR"
 	disableAlertgroupLabel bool
 )
@@ -54,7 +56,7 @@ const (
 )

 // UnitTest runs unittest for files
-func UnitTest(files []string, disableGroupLabel bool, externalLabels []string, externalURL, httpListenPort, logLevel string) bool {
+func UnitTest(files []string, disableGroupLabel bool, externalLabels []string, externalURL, logLevel string) bool {
 	if logLevel != "" {
 		testLogLevel = logLevel
 	}
@@ -65,42 +67,7 @@ func UnitTest(files []string, disableGroupLabel bool, externalLabels []string, e
 	if err := templates.Load([]string{}, *eu); err != nil {
 		logger.Fatalf("failed to load template: %v", err)
 	}
-
-	// set up http server
-	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		switch r.URL.Path {
-		case "/prometheus/api/v1/query":
-			if err := prometheus.QueryHandler(nil, time.Now(), w, r); err != nil {
-				httpserver.Errorf(w, r, "%s", err)
-			}
-		case "/prometheus/api/v1/write", "/api/v1/write":
-			if err := promremotewrite.InsertHandler(r); err != nil {
-				httpserver.Errorf(w, r, "%s", err)
-			}
-		default:
-		}
-	})
-	if httpListenPort == "" {
-		server := httptest.NewServer(handler)
-		httpListenAddr = strings.Split(server.URL, ":")[2]
-		defer server.Close()
-	} else {
-		httpListenAddr = httpListenPort
-		ln, err := net.Listen("tcp", fmt.Sprintf(":%s", httpListenPort))
-		if err != nil {
-			logger.Fatalf("cannot listen on port %s: %v", httpListenPort, err)
-		}
-		go func() {
-			err = http.Serve(ln, handler)
-			if err != nil {
-				logger.Fatalf("cannot start http server: %v", err)
-			}
-			defer ln.Close()
-		}()
-	}
-
-	// adding time.Now().UnixNano() to avoid possible file conflict when multiple processes run on a single host
-	storagePath = filepath.Join(os.TempDir(), testStoragePath, strconv.FormatInt(time.Now().UnixNano(), 10))
+	storagePath = filepath.Join(os.TempDir(), testStoragePath)
 	processFlags()
 	vminsert.Init()
 	vmselect.Init()
@@ -135,34 +102,16 @@ func UnitTest(files []string, disableGroupLabel bool, externalLabels []string, e
 	}

 	var failed bool
-	runTest := func() bool {
-		for fileName, file := range testfiles {
-			if err := ruleUnitTest(fileName, file, labels); err != nil {
-				fmt.Println("FAILED")
-				fmt.Printf("failed to run unit test for file %q: \n%v", fileName, err)
-				return true
-			}
-			fmt.Println("SUCCESS")
+	for fileName, file := range testfiles {
+		if err := ruleUnitTest(fileName, file, labels); err != nil {
+			fmt.Println("FAILED")
+			fmt.Printf("failed to run unit test for file %q: \n%v", fileName, err)
+			failed = true
+		} else {
+			fmt.Println("  SUCCESS")
 		}
-		return false
 	}

-	finishCh := make(chan struct{}, 1)
-	go func() {
-		failed = runTest()
-		finishCh <- struct{}{}
-	}()
-
-	sigs := make(chan os.Signal, 1)
-	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
-	select {
-	case sig := <-sigs:
-		fmt.Printf("received signal %s\n", sig)
-		failed = true
-		break
-	case <-finishCh:
-		break
-	}
 	return failed
 }

@@ -182,7 +131,7 @@ func ruleUnitTest(filename string, content []byte, externalLabels map[string]str

 	if unitTestInp.EvaluationInterval.Duration() == 0 {
 		fmt.Println("evaluation_interval set to 1m by default")
-		unitTestInp.EvaluationInterval = &promutil.Duration{D: 1 * time.Minute}
+		unitTestInp.EvaluationInterval = &promutils.Duration{D: 1 * time.Minute}
 	}

 	groupOrderMap := make(map[string]int)
@@ -262,8 +211,8 @@ func processFlags() {
 		{flag: "search.disableCache", value: "true"},
 		// set storage retention time to 100 years, allow to store series from 1970-01-01T00:00:00.
 		{flag: "retentionPeriod", value: "100y"},
-		{flag: "datasource.url", value: fmt.Sprintf("http://127.0.0.1:%s/prometheus", httpListenAddr)},
-		{flag: "remoteWrite.url", value: fmt.Sprintf("http://127.0.0.1:%s", httpListenAddr)},
+		{flag: "datasource.url", value: testDataSourcePath},
+		{flag: "remoteWrite.url", value: testRemoteWritePath},
 		{flag: "notifier.blackhole", value: "true"},
 	} {
 		// panics if flag doesn't exist
@@ -275,10 +224,27 @@ func processFlags() {

 func setUp() {
 	vmstorage.Init(promql.ResetRollupResultCacheIfNeeded)
+	var ab flagutil.ArrayBool
+	go httpserver.Serve([]string{httpListenAddr}, &ab, func(w http.ResponseWriter, r *http.Request) bool {
+		switch r.URL.Path {
+		case "/prometheus/api/v1/query":
+			if err := prometheus.QueryHandler(nil, time.Now(), w, r); err != nil {
+				httpserver.Errorf(w, r, "%s", err)
+			}
+			return true
+		case "/prometheus/api/v1/write", "/api/v1/write":
+			if err := promremotewrite.InsertHandler(r); err != nil {
+				httpserver.Errorf(w, r, "%s", err)
+			}
+			return true
+		default:
+		}
+		return false
+	})
 	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
 	defer cancel()
 	readyCheckFunc := func() bool {
-		resp, err := http.Get(fmt.Sprintf("http://127.0.0.1:%s/health", httpListenAddr))
+		resp, err := http.Get(testHealthHTTPPath)
 		if err != nil {
 			return false
 		}
@@ -300,6 +266,9 @@ checkCheck:
 }

 func tearDown() {
+	if err := httpserver.Stop([]string{httpListenAddr}); err != nil {
+		logger.Errorf("cannot stop the webservice: %s", err)
+	}
 	vmstorage.Stop()
 	metrics.UnregisterAllMetrics()
 	fs.MustRemoveAll(storagePath)
@@ -312,9 +281,9 @@ func (tg *testGroup) test(evalInterval time.Duration, groupOrderMap map[string]i
 	defer tearDown()

 	if tg.Interval == nil {
-		tg.Interval = promutil.NewDuration(evalInterval)
+		tg.Interval = promutils.NewDuration(evalInterval)
 	}
-	err := writeInputSeries(tg.InputSeries, tg.Interval, testStartTime, fmt.Sprintf("http://127.0.0.1:%s/api/v1/write", httpListenAddr))
+	err := writeInputSeries(tg.InputSeries, tg.Interval, testStartTime, testPromWriteHTTPPath)
 	if err != nil {
 		return []error{err}
 	}
@@ -472,15 +441,15 @@ func (tg *testGroup) test(evalInterval time.Duration, groupOrderMap map[string]i

 // unitTestFile holds the contents of a single unit test file
 type unitTestFile struct {
-	RuleFiles          []string           `yaml:"rule_files"`
-	EvaluationInterval *promutil.Duration `yaml:"evaluation_interval"`
-	GroupEvalOrder     []string           `yaml:"group_eval_order"`
-	Tests              []testGroup        `yaml:"tests"`
+	RuleFiles          []string            `yaml:"rule_files"`
+	EvaluationInterval *promutils.Duration `yaml:"evaluation_interval"`
+	GroupEvalOrder     []string            `yaml:"group_eval_order"`
+	Tests              []testGroup         `yaml:"tests"`
 }

 // testGroup is a group of input series and test cases associated with it
 type testGroup struct {
-	Interval           *promutil.Duration  `yaml:"interval"`
+	Interval           *promutils.Duration `yaml:"interval"`
 	InputSeries        []series            `yaml:"input_series"`
 	AlertRuleTests     []alertTestCase     `yaml:"alert_rule_test"`
 	MetricsqlExprTests []metricsqlTestCase `yaml:"metricsql_expr_test"`
--- a/app/vmalert-tool/unittest/unittest_test.go
+++ b/app/vmalert-tool/unittest/unittest_test.go
@@ -8,7 +8,7 @@ func TestUnitTest_Failure(t *testing.T) {
 	f := func(files []string) {
 		t.Helper()

-		failed := UnitTest(files, false, nil, "", "", "")
+		failed := UnitTest(files, false, nil, "", "")
 		if !failed {
 			t.Fatalf("expecting failed test")
 		}
@@ -20,20 +20,19 @@ func TestUnitTest_Failure(t *testing.T) {
 }

 func TestUnitTest_Success(t *testing.T) {
-	f := func(disableGroupLabel bool, files []string, externalLabels []string, externalURL, httpPort string) {
+	f := func(disableGroupLabel bool, files []string, externalLabels []string, externalURL string) {
 		t.Helper()

-		failed := UnitTest(files, disableGroupLabel, externalLabels, externalURL, httpPort, "")
+		failed := UnitTest(files, disableGroupLabel, externalLabels, externalURL, "")
 		if failed {
 			t.Fatalf("unexpected failed test")
 		}
 	}

-	// run multi files with random http port
-	f(false, []string{"./testdata/test1.yaml", "./testdata/test2.yaml"}, []string{"cluster=prod"}, "http://grafana:3000", "")
+	// run multi files
+	f(false, []string{"./testdata/test1.yaml", "./testdata/test2.yaml"}, []string{"cluster=prod"}, "http://grafana:3000")

 	// disable group label
 	// template with null external values
-	// specify httpListenAddr
-	f(true, []string{"./testdata/disable-group-label.yaml"}, nil, "", "8880")
+	f(true, []string{"./testdata/disable-group-label.yaml"}, nil, "")
 }
--- a/app/vmalert/config/config.go
+++ b/app/vmalert/config/config.go
@@ -12,9 +12,9 @@ import (
 	"strings"

 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/config/log"
-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/vmalertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/envtemplate"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 	"gopkg.in/yaml.v2"
 )

@@ -27,15 +27,15 @@ var (
 type Group struct {
 	Type       Type `yaml:"type,omitempty"`
 	File       string
-	Name       string             `yaml:"name"`
-	Interval   *promutil.Duration `yaml:"interval,omitempty"`
-	EvalOffset *promutil.Duration `yaml:"eval_offset,omitempty"`
+	Name       string              `yaml:"name"`
+	Interval   *promutils.Duration `yaml:"interval,omitempty"`
+	EvalOffset *promutils.Duration `yaml:"eval_offset,omitempty"`
 	// EvalDelay will adjust the `time` parameter of rule evaluation requests to compensate intentional query delay from datasource.
 	// see https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5155
-	EvalDelay   *promutil.Duration `yaml:"eval_delay,omitempty"`
-	Limit       int                `yaml:"limit,omitempty"`
-	Rules       []Rule             `yaml:"rules"`
-	Concurrency int                `yaml:"concurrency"`
+	EvalDelay   *promutils.Duration `yaml:"eval_delay,omitempty"`
+	Limit       int                 `yaml:"limit,omitempty"`
+	Rules       []Rule              `yaml:"rules"`
+	Concurrency int                 `yaml:"concurrency"`
 	// Labels is a set of label value pairs, that will be added to every rule.
 	// It has priority over the external labels.
 	Labels map[string]string `yaml:"labels"`
@@ -88,9 +88,6 @@ func (g *Group) Validate(validateTplFn ValidateTplFn, validateExpressions bool)
 	if g.EvalOffset.Duration() > g.Interval.Duration() {
 		return fmt.Errorf("eval_offset should be smaller than interval; now eval_offset: %v, interval: %v", g.EvalOffset.Duration(), g.Interval.Duration())
 	}
-	if g.EvalOffset != nil && g.EvalDelay != nil {
-		return fmt.Errorf("eval_offset cannot be used with eval_delay")
-	}
 	if g.Limit < 0 {
 		return fmt.Errorf("invalid limit %d, shouldn't be less than 0", g.Limit)
 	}
@@ -135,15 +132,15 @@ func (g *Group) Validate(validateTplFn ValidateTplFn, validateExpressions bool)
 // recording rule or alerting rule.
 type Rule struct {
 	ID     uint64
-	Record string             `yaml:"record,omitempty"`
-	Alert  string             `yaml:"alert,omitempty"`
-	Expr   string             `yaml:"expr"`
-	For    *promutil.Duration `yaml:"for,omitempty"`
+	Record string              `yaml:"record,omitempty"`
+	Alert  string              `yaml:"alert,omitempty"`
+	Expr   string              `yaml:"expr"`
+	For    *promutils.Duration `yaml:"for,omitempty"`
 	// Alert will continue firing for this long even when the alerting expression no longer has results.
-	KeepFiringFor *promutil.Duration `yaml:"keep_firing_for,omitempty"`
-	Labels        map[string]string  `yaml:"labels,omitempty"`
-	Annotations   map[string]string  `yaml:"annotations,omitempty"`
-	Debug         bool               `yaml:"debug,omitempty"`
+	KeepFiringFor *promutils.Duration `yaml:"keep_firing_for,omitempty"`
+	Labels        map[string]string   `yaml:"labels,omitempty"`
+	Annotations   map[string]string   `yaml:"annotations,omitempty"`
+	Debug         bool                `yaml:"debug,omitempty"`
 	// UpdateEntriesLimit defines max number of rule's state updates stored in memory.
 	// Overrides `-rule.updateEntriesLimit`.
 	UpdateEntriesLimit *int `yaml:"update_entries_limit,omitempty"`
@@ -265,7 +262,7 @@ func Parse(pathPatterns []string, validateTplFn ValidateTplFn, validateExpressio
 }

 func parse(files map[string][]byte, validateTplFn ValidateTplFn, validateExpressions bool) ([]Group, error) {
-	errGroup := new(vmalertutil.ErrGroup)
+	errGroup := new(utils.ErrGroup)
 	var groups []Group
 	for file, data := range files {
 		uniqueGroups := map[string]struct{}{}
--- a/app/vmalert/config/config_test.go
+++ b/app/vmalert/config/config_test.go
@@ -11,7 +11,7 @@ import (

 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/notifier"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/templates"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 	"gopkg.in/yaml.v2"
 )

@@ -157,28 +157,15 @@ func TestGroupValidate_Failure(t *testing.T) {

 	f(&Group{}, false, "group name must be set")

-	f(&Group{
-		Name: "both record and alert are not set",
-		Rules: []Rule{
-			{
-				Expr: "sum(up == 0 ) by (host)",
-				For:  promutil.NewDuration(10 * time.Millisecond),
-			},
-			{
-				Expr: "sumSeries(time('foo.bar',10))",
-			},
-		},
-	}, false, "invalid rule")
-
 	f(&Group{
 		Name:     "negative interval",
-		Interval: promutil.NewDuration(-1),
+		Interval: promutils.NewDuration(-1),
 	}, false, "interval shouldn't be lower than 0")

 	f(&Group{
 		Name:       "wrong eval_offset",
-		Interval:   promutil.NewDuration(time.Minute),
-		EvalOffset: promutil.NewDuration(2 * time.Minute),
+		Interval:   promutils.NewDuration(time.Minute),
+		EvalOffset: promutils.NewDuration(2 * time.Minute),
 	}, false, "eval_offset should be smaller than interval")

 	f(&Group{
@@ -253,6 +240,59 @@ func TestGroupValidate_Failure(t *testing.T) {
 		},
 	}, false, "duplicate")

+	f(&Group{
+		Name: "test graphite with prometheus expr",
+		Type: NewGraphiteType(),
+		Rules: []Rule{
+			{
+				Expr: "sum(up == 0 ) by (host)",
+				For:  promutils.NewDuration(10 * time.Millisecond),
+			},
+			{
+				Expr: "sumSeries(time('foo.bar',10))",
+			},
+		},
+	}, false, "invalid rule")
+
+	f(&Group{
+		Name: "test graphite inherit",
+		Type: NewGraphiteType(),
+		Rules: []Rule{
+			{
+				Expr: "sumSeries(time('foo.bar',10))",
+				For:  promutils.NewDuration(10 * time.Millisecond),
+			},
+			{
+				Expr: "sum(up == 0 ) by (host)",
+			},
+		},
+	}, false, "either `record` or `alert` must be set")
+
+	f(&Group{
+		Name: "test vlogs with prometheus expr",
+		Type: NewVLogsType(),
+		Rules: []Rule{
+			{
+				Expr: "sum(up == 0 ) by (host)",
+				For:  promutils.NewDuration(10 * time.Millisecond),
+			},
+			{
+				Expr: "sumSeries(time('foo.bar',10))",
+			},
+		},
+	}, false, "invalid rule")
+
+	// validate expressions
+	f(&Group{
+		Name: "test",
+		Rules: []Rule{
+			{
+				Record: "record",
+				Expr:   "up | 0",
+			},
+		},
+	}, true, "invalid expression")
+
 	f(&Group{
 		Name: "test thanos",
 		Type: NewRawType("thanos"),
@@ -263,20 +303,8 @@ func TestGroupValidate_Failure(t *testing.T) {
 		},
 	}, true, "unknown datasource type")

-	// validate expressions
 	f(&Group{
-		Name: "test prometheus expr",
-		Type: NewPrometheusType(),
-		Rules: []Rule{
-			{
-				Record: "record",
-				Expr:   "up | 0",
-			},
-		},
-	}, true, "bad prometheus expr")
-
-	f(&Group{
-		Name: "test graphite expr",
+		Name: "test graphite",
 		Type: NewGraphiteType(),
 		Rules: []Rule{
 			{Alert: "alert", Expr: "up == 1", Labels: map[string]string{
@@ -286,63 +314,14 @@ func TestGroupValidate_Failure(t *testing.T) {
 	}, true, "bad graphite expr")

 	f(&Group{
-		Name: "test vlogs expr",
+		Name: "test vlogs",
 		Type: NewVLogsType(),
 		Rules: []Rule{
-			{Alert: "alert", Expr: "stats count(*) as requests"},
+			{Alert: "alert", Expr: "stats count(*) as requests", Labels: map[string]string{
+				"description": "some-description",
+			}},
 		},
 	}, true, "bad LogsQL expr")
-
-	f(&Group{
-		Name: "test vlogs expr",
-		Type: NewVLogsType(),
-		Rules: []Rule{
-			{Alert: "alert", Expr: "_time: 1m | stats by (path, _time: 1m) count(*) as requests"},
-		},
-	}, true, "bad LogsQL expr")
-
-	f(&Group{
-		Name: "test graphite with prometheus expr",
-		Type: NewGraphiteType(),
-		Rules: []Rule{
-			{
-				Record: "r1",
-				ID:     1,
-				Expr:   "sumSeries(time('foo.bar',10))",
-				For:    promutil.NewDuration(10 * time.Millisecond),
-			},
-			{
-				Record: "r2",
-				ID:     2,
-				Expr:   "sum(up == 0 ) by (host)",
-			},
-		},
-	}, true, "bad graphite expr")
-
-	f(&Group{
-		Name: "test vlogs with prometheus exp",
-		Type: NewVLogsType(),
-		Rules: []Rule{
-			{
-				Record: "r1",
-				Expr:   "sum(up == 0 ) by (host)",
-				For:    promutil.NewDuration(10 * time.Millisecond),
-			},
-		},
-	}, true, "bad LogsQL expr")
-
-	f(&Group{
-		Name: "test prometheus with vlogs exp",
-		Type: NewPrometheusType(),
-		Rules: []Rule{
-			{
-				Record: "r1",
-				Expr:   "* | stats by (path) count()",
-				For:    promutil.NewDuration(10 * time.Millisecond),
-			},
-		},
-	}, true, "bad prometheus expr")
-
 }

 func TestGroupValidate_Success(t *testing.T) {
@@ -488,7 +467,7 @@ func TestHashRule_Equal(t *testing.T) {
 	f(Rule{Alert: "record", Expr: "up == 1"}, Rule{Alert: "record", Expr: "up == 1"})

 	f(Rule{
-		Alert: "alert", Expr: "up == 1", For: promutil.NewDuration(time.Minute), KeepFiringFor: promutil.NewDuration(time.Minute),
+		Alert: "alert", Expr: "up == 1", For: promutils.NewDuration(time.Minute), KeepFiringFor: promutils.NewDuration(time.Minute),
 	}, Rule{Alert: "alert", Expr: "up == 1"})
 }

--- a/app/vmalert/config/testdata/dir/rules0-bad.rules
+++ b/app/vmalert/config/testdata/dir/rules0-bad.rules
@@ -9,7 +9,7 @@ groups:
        annotations:
          summary: "{{ }}"
          description: "{{$labels}}"
-      - alert: UnknownAnnotationsFunction
+      - alert: UnkownAnnotationsFunction
        for: 5m
        expr: vm_rows > 0
        labels:
--- a/app/vmalert/config/testdata/dir/rules2-bad.rules
+++ b/app/vmalert/config/testdata/dir/rules2-bad.rules
@@ -1,7 +1,7 @@
 groups:
  - name: group
    rules:
-      - alert: UnknownLabelFunction
+      - alert: UnkownLabelFunction
        for: 5m
        expr: vm_rows > 0
        labels:
--- a/app/vmalert/config/types.go
+++ b/app/vmalert/config/types.go
@@ -71,18 +71,9 @@ func (t *Type) ValidateExpr(expr string) error {
 			return fmt.Errorf("bad prometheus expr: %q, err: %w", expr, err)
 		}
 	case "vlogs":
-		q, err := logstorage.ParseStatsQuery(expr, 0)
-		if err != nil {
+		if _, err := logstorage.ParseStatsQuery(expr, 0); err != nil {
 			return fmt.Errorf("bad LogsQL expr: %q, err: %w", expr, err)
 		}
-		fields, _ := q.GetStatsByFields()
-		for i := range fields {
-			// VictoriaLogs inserts `_time` field as a label in result when query with `stats by (_time:step)`,
-			// making the result meaningless and may lead to cardinality issues.
-			if fields[i] == "_time" {
-				return fmt.Errorf("bad LogsQL expr: %q, err: cannot contain time buckets stats pipe `stats by (_time:step)`", expr)
-			}
-		}
 	default:
 		return fmt.Errorf("unknown datasource type=%q", t.Name)
 	}
--- a/app/vmalert/datasource/client_test.go
+++ b/app/vmalert/datasource/client_test.go
@@ -12,7 +12,7 @@ import (
 	"testing"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/vmalertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 )
@@ -753,7 +753,7 @@ func TestHeaders(t *testing.T) {

 	// basic auth
 	f(func() *Client {
-		cfg, err := vmalertutil.AuthConfig(vmalertutil.WithBasicAuth("foo", "bar", ""))
+		cfg, err := utils.AuthConfig(utils.WithBasicAuth("foo", "bar", ""))
 		if err != nil {
 			t.Fatalf("Error get auth config: %s", err)
 		}
@@ -766,7 +766,7 @@ func TestHeaders(t *testing.T) {

 	// bearer auth
 	f(func() *Client {
-		cfg, err := vmalertutil.AuthConfig(vmalertutil.WithBearer("foo", ""))
+		cfg, err := utils.AuthConfig(utils.WithBearer("foo", ""))
 		if err != nil {
 			t.Fatalf("Error get auth config: %s", err)
 		}
@@ -798,7 +798,7 @@ func TestHeaders(t *testing.T) {

 	// custom header overrides basic auth
 	f(func() *Client {
-		cfg, err := vmalertutil.AuthConfig(vmalertutil.WithBasicAuth("foo", "bar", ""))
+		cfg, err := utils.AuthConfig(utils.WithBasicAuth("foo", "bar", ""))
 		if err != nil {
 			t.Fatalf("Error get auth config: %s", err)
 		}
--- a/app/vmalert/datasource/init.go
+++ b/app/vmalert/datasource/init.go
@@ -8,11 +8,10 @@ import (
 	"strings"
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/vmalertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/netutil"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
 )

 var (
@@ -80,10 +79,11 @@ type Param struct {
 // Provided extraParams will be added as GET params for
 // each request.
 func Init(extraParams url.Values) (QuerierBuilder, error) {
-	if err := httputil.CheckURL(*addr); err != nil {
-		return nil, fmt.Errorf("invalid -datasource.url: %w", err)
+	if *addr == "" {
+		return nil, fmt.Errorf("datasource.url is empty")
 	}
-	tr, err := promauth.NewTLSTransport(*tlsCertFile, *tlsKeyFile, *tlsCAFile, *tlsServerName, *tlsInsecureSkipVerify)
+
+	tr, err := httputils.Transport(*addr, *tlsCertFile, *tlsKeyFile, *tlsCAFile, *tlsServerName, *tlsInsecureSkipVerify)
 	if err != nil {
 		return nil, fmt.Errorf("failed to create transport for -datasource.url=%q: %w", *addr, err)
 	}
@@ -106,11 +106,11 @@ func Init(extraParams url.Values) (QuerierBuilder, error) {
 	if err != nil {
 		return nil, fmt.Errorf("cannot parse JSON for -datasource.oauth2.endpointParams=%s: %w", *oauth2EndpointParams, err)
 	}
-	authCfg, err := vmalertutil.AuthConfig(
-		vmalertutil.WithBasicAuth(*basicAuthUsername, *basicAuthPassword, *basicAuthPasswordFile),
-		vmalertutil.WithBearer(*bearerToken, *bearerTokenFile),
-		vmalertutil.WithOAuth(*oauth2ClientID, *oauth2ClientSecret, *oauth2ClientSecretFile, *oauth2TokenURL, *oauth2Scopes, endpointParams),
-		vmalertutil.WithHeaders(*headers))
+	authCfg, err := utils.AuthConfig(
+		utils.WithBasicAuth(*basicAuthUsername, *basicAuthPassword, *basicAuthPasswordFile),
+		utils.WithBearer(*bearerToken, *bearerTokenFile),
+		utils.WithOAuth(*oauth2ClientID, *oauth2ClientSecret, *oauth2ClientSecretFile, *oauth2TokenURL, *oauth2Scopes, endpointParams),
+		utils.WithHeaders(*headers))
 	if err != nil {
 		return nil, fmt.Errorf("failed to configure auth: %w", err)
 	}
--- a/app/vmalert/main.go
+++ b/app/vmalert/main.go
@@ -405,9 +405,6 @@ func configsEqual(a, b []config.Group) bool {
 		if a[i].Checksum != b[i].Checksum {
 			return false
 		}
-		if a[i].File != b[i].File {
-			return false
-		}
 	}
 	return true
 }
--- a/app/vmalert/main_test.go
+++ b/app/vmalert/main_test.go
@@ -169,6 +169,7 @@ groups:
 	checkCfg(nil)
 	groupsLen = lenLocked(m)
 	if groupsLen != 2 {
+		fmt.Println(m.groups)
 		t.Fatalf("expected to have exactly 2 groups loaded; got %d", groupsLen)
 	}

--- a/app/vmalert/manager.go
+++ b/app/vmalert/manager.go
@@ -83,8 +83,7 @@ func (m *manager) close() {

 func (m *manager) startGroup(ctx context.Context, g *rule.Group, restore bool) error {
 	m.wg.Add(1)
-	id := g.GetID()
-	g.Init()
+	id := g.ID()
 	go func() {
 		defer m.wg.Done()
 		if restore {
@@ -113,7 +112,7 @@ func (m *manager) update(ctx context.Context, groupsCfg []config.Group, restore
 			}
 		}
 		ng := rule.NewGroup(cfg, m.querierBuilder, *evaluationInterval, m.labels)
-		groupsRegistry[ng.GetID()] = ng
+		groupsRegistry[ng.ID()] = ng
 	}

 	if rrPresent && m.rw == nil {
@@ -131,17 +130,17 @@ func (m *manager) update(ctx context.Context, groupsCfg []config.Group, restore

 	m.groupsMu.Lock()
 	for _, og := range m.groups {
-		ng, ok := groupsRegistry[og.GetID()]
+		ng, ok := groupsRegistry[og.ID()]
 		if !ok {
 			// old group is not present in new list,
 			// so must be stopped and deleted
 			og.Close()
-			delete(m.groups, og.GetID())
+			delete(m.groups, og.ID())
 			og = nil
 			continue
 		}
-		delete(groupsRegistry, ng.GetID())
-		if og.GetCheckSum() != ng.GetCheckSum() {
+		delete(groupsRegistry, ng.ID())
+		if og.Checksum != ng.Checksum {
 			toUpdate = append(toUpdate, updateItem{old: og, new: ng})
 		}
 	}
@@ -161,8 +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(oldGroup *rule.Group, newGroup *rule.Group) {
-				oldGroup.UpdateWith(newGroup)
+			go func(old *rule.Group, new *rule.Group) {
+				old.UpdateWith(new)
 				wg.Done()
 			}(item.old, item.new)
 		}
--- a/app/vmalert/manager_test.go
+++ b/app/vmalert/manager_test.go
@@ -144,7 +144,7 @@ func TestManagerUpdate_Success(t *testing.T) {
 		}

 		for _, wantG := range groupsExpected {
-			gotG, ok := m.groups[wantG.CreateID()]
+			gotG, ok := m.groups[wantG.ID()]
 			if !ok {
 				t.Fatalf("expected to have group %q", wantG.Name)
 			}
@@ -258,7 +258,7 @@ func compareGroups(t *testing.T, a, b *rule.Group) {
 	}
 	for i, r := range a.Rules {
 		got, want := r, b.Rules[i]
-		if a.CreateID() != b.CreateID() {
+		if a.ID() != b.ID() {
 			t.Fatalf("expected to have rule %q; got %q", want.ID(), got.ID())
 		}
 		if err := rule.CompareRules(t, want, got); err != nil {
--- a/app/vmalert/notifier/alert.go
+++ b/app/vmalert/notifier/alert.go
@@ -9,7 +9,7 @@ import (
 	"time"

 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/templates"
-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/vmalertutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
 )
@@ -141,7 +141,7 @@ func ValidateTemplates(annotations map[string]string) error {
 func templateAnnotations(annotations map[string]string, data AlertTplData, tmpl *textTpl.Template, execute bool) (map[string]string, error) {
 	var builder strings.Builder
 	var buf bytes.Buffer
-	eg := new(vmalertutil.ErrGroup)
+	eg := new(utils.ErrGroup)
 	r := make(map[string]string, len(annotations))
 	tData := tplData{data, externalLabels, externalURL}
 	header := strings.Join(tplHeaders, "")
--- a/app/vmalert/notifier/alertmanager.go
+++ b/app/vmalert/notifier/alertmanager.go
@@ -10,12 +10,9 @@ import (
 	"strings"
 	"time"

-	"github.com/VictoriaMetrics/metrics"
-
-	"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/vmalertutil"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputil"
+	"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"
 )

@@ -31,36 +28,25 @@ type AlertManager struct {
 	// stores already parsed RelabelConfigs object
 	relabelConfigs *promrelabel.ParsedConfigs

-	metrics *notifierMetrics
+	metrics *metrics
 }

-type notifierMetrics struct {
-	set *metrics.Set
-
-	alertsSent         *metrics.Counter
-	alertsSendErrors   *metrics.Counter
-	alertsSendDuration *metrics.Histogram
+type metrics struct {
+	alertsSent       *utils.Counter
+	alertsSendErrors *utils.Counter
 }

-func newNotifierMetrics(addr string) *notifierMetrics {
-	set := metrics.NewSet()
-	metrics.RegisterSet(set)
-
-	return &notifierMetrics{
-		set:                set,
-		alertsSent:         set.NewCounter(fmt.Sprintf("vmalert_alerts_sent_total{addr=%q}", addr)),
-		alertsSendErrors:   set.NewCounter(fmt.Sprintf("vmalert_alerts_send_errors_total{addr=%q}", addr)),
-		alertsSendDuration: set.NewHistogram(fmt.Sprintf("vmalert_alerts_send_duration_seconds{addr=%q}", addr)),
+func newMetrics(addr string) *metrics {
+	return &metrics{
+		alertsSent:       utils.GetOrCreateCounter(fmt.Sprintf("vmalert_alerts_sent_total{addr=%q}", addr)),
+		alertsSendErrors: utils.GetOrCreateCounter(fmt.Sprintf("vmalert_alerts_send_errors_total{addr=%q}", addr)),
 	}
 }

-func (nm *notifierMetrics) close() {
-	metrics.UnregisterSet(nm.set, true)
-}
-
 // Close is a destructor method for AlertManager
 func (am *AlertManager) Close() {
-	am.metrics.close()
+	am.metrics.alertsSent.Unregister()
+	am.metrics.alertsSendErrors.Unregister()
 }

 // Addr returns address where alerts are sent.
@@ -74,9 +60,7 @@ func (am AlertManager) Addr() string {
 // Send an alert or resolve message
 func (am *AlertManager) Send(ctx context.Context, alerts []Alert, headers map[string]string) error {
 	am.metrics.alertsSent.Add(len(alerts))
-	startTime := time.Now()
 	err := am.send(ctx, alerts, headers)
-	am.metrics.alertsSendDuration.UpdateDuration(startTime)
 	if err != nil {
 		am.metrics.alertsSendErrors.Add(len(alerts))
 	}
@@ -85,17 +69,7 @@ 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{}
-	alertsToSend := make([]Alert, 0, len(alerts))
-	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)
+	writeamRequest(b, alerts, am.argFunc, am.relabelConfigs)

 	req, err := http.NewRequest(http.MethodPost, am.addr.String(), b)
 	if err != nil {
@@ -152,16 +126,11 @@ const alertManagerPath = "/api/v2/alerts"
 func NewAlertManager(alertManagerURL string, fn AlertURLGenerator, authCfg promauth.HTTPClientConfig,
 	relabelCfg *promrelabel.ParsedConfigs, timeout time.Duration,
 ) (*AlertManager, error) {
-
-	if err := httputil.CheckURL(alertManagerURL); err != nil {
-		return nil, fmt.Errorf("invalid alertmanager URL: %w", err)
-	}
-
 	tls := &promauth.TLSConfig{}
 	if authCfg.TLSConfig != nil {
 		tls = authCfg.TLSConfig
 	}
-	tr, err := promauth.NewTLSTransport(tls.CertFile, tls.KeyFile, tls.CAFile, tls.ServerName, tls.InsecureSkipVerify)
+	tr, err := httputils.Transport(alertManagerURL, tls.CertFile, tls.KeyFile, tls.CAFile, tls.ServerName, tls.InsecureSkipVerify)
 	if err != nil {
 		return nil, fmt.Errorf("failed to create transport for alertmanager URL=%q: %w", alertManagerURL, err)

@@ -176,11 +145,11 @@ func NewAlertManager(alertManagerURL string, fn AlertURLGenerator, authCfg proma
 		oauth = authCfg.OAuth2
 	}

-	aCfg, err := vmalertutil.AuthConfig(
-		vmalertutil.WithBasicAuth(ba.Username, ba.Password.String(), ba.PasswordFile),
-		vmalertutil.WithBearer(authCfg.BearerToken.String(), authCfg.BearerTokenFile),
-		vmalertutil.WithOAuth(oauth.ClientID, oauth.ClientSecret.String(), oauth.ClientSecretFile, oauth.TokenURL, strings.Join(oauth.Scopes, ";"), oauth.EndpointParams),
-		vmalertutil.WithHeaders(strings.Join(authCfg.Headers, "^^")),
+	aCfg, err := utils.AuthConfig(
+		utils.WithBasicAuth(ba.Username, ba.Password.String(), ba.PasswordFile),
+		utils.WithBearer(authCfg.BearerToken.String(), authCfg.BearerTokenFile),
+		utils.WithOAuth(oauth.ClientID, oauth.ClientSecret.String(), oauth.ClientSecretFile, oauth.TokenURL, strings.Join(oauth.Scopes, ";"), oauth.EndpointParams),
+		utils.WithHeaders(strings.Join(authCfg.Headers, "^^")),
 	)
 	if err != nil {
 		return nil, fmt.Errorf("failed to configure auth: %w", err)
@@ -200,6 +169,6 @@ func NewAlertManager(alertManagerURL string, fn AlertURLGenerator, authCfg proma
 		relabelConfigs: relabelCfg,
 		client:         &http.Client{Transport: tr},
 		timeout:        timeout,
-		metrics:        newNotifierMetrics(alertManagerURL),
+		metrics:        newMetrics(alertManagerURL),
 	}, nil
 }
--- a/app/vmalert/notifier/alertmanager_request.qtpl
+++ b/app/vmalert/notifier/alertmanager_request.qtpl
@@ -1,14 +1,15 @@
 {% import (
    "time"

-    "github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
+    "github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
 ) %}
 {% stripspace %}

-{% func amRequest(alerts []Alert, generatorURL func(Alert) string, lblss [][]prompbmarshal.Label) %}
+{% func amRequest(alerts []Alert, generatorURL func(Alert) string, relabelCfg *promrelabel.ParsedConfigs) %}
 [
 {% for i, alert := range alerts %}
-{% code lbls := lblss[i] %}
+{% code lbls := alert.applyRelabelingIfNeeded(relabelCfg) %}
+{% if len(lbls) == 0 %} {% continue %} {% endif %}
 {
    "startsAt":{%q= alert.Start.Format(time.RFC3339Nano) %},
    "generatorURL": {%q= generatorURL(alert) %},
--- a/app/vmalert/notifier/alertmanager_request.qtpl.go
+++ b/app/vmalert/notifier/alertmanager_request.qtpl.go
@@ -8,7 +8,7 @@ package notifier
 import (
 	"time"

-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
 )

 //line app/vmalert/notifier/alertmanager_request.qtpl:8
@@ -25,116 +25,122 @@ var (
 )

 //line app/vmalert/notifier/alertmanager_request.qtpl:8
-func streamamRequest(qw422016 *qt422016.Writer, alerts []Alert, generatorURL func(Alert) string, lblss [][]prompbmarshal.Label) {
+func streamamRequest(qw422016 *qt422016.Writer, alerts []Alert, generatorURL func(Alert) string, relabelCfg *promrelabel.ParsedConfigs) {
 //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 := lblss[i]
+		lbls := alert.applyRelabelingIfNeeded(relabelCfg)

-//line app/vmalert/notifier/alertmanager_request.qtpl:11
-		qw422016.N().S(`{"startsAt":`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:13
-		qw422016.N().Q(alert.Start.Format(time.RFC3339Nano))
-//line app/vmalert/notifier/alertmanager_request.qtpl:13
-		qw422016.N().S(`,"generatorURL":`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:14
-		qw422016.N().Q(generatorURL(alert))
-//line app/vmalert/notifier/alertmanager_request.qtpl:14
-		qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:15
-		if !alert.End.IsZero() {
-//line app/vmalert/notifier/alertmanager_request.qtpl:15
-			qw422016.N().S(`"endsAt":`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:16
-			qw422016.N().Q(alert.End.Format(time.RFC3339Nano))
-//line app/vmalert/notifier/alertmanager_request.qtpl:16
-			qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:17
+//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
+		qw422016.N().S(`{"startsAt":`)
+//line app/vmalert/notifier/alertmanager_request.qtpl:14
+		qw422016.N().Q(alert.Start.Format(time.RFC3339Nano))
+//line app/vmalert/notifier/alertmanager_request.qtpl:14
+		qw422016.N().S(`,"generatorURL":`)
+//line app/vmalert/notifier/alertmanager_request.qtpl:15
+		qw422016.N().Q(generatorURL(alert))
+//line app/vmalert/notifier/alertmanager_request.qtpl:15
+		qw422016.N().S(`,`)
+//line app/vmalert/notifier/alertmanager_request.qtpl:16
+		if !alert.End.IsZero() {
+//line app/vmalert/notifier/alertmanager_request.qtpl:16
+			qw422016.N().S(`"endsAt":`)
 //line app/vmalert/notifier/alertmanager_request.qtpl:17
+			qw422016.N().Q(alert.End.Format(time.RFC3339Nano))
+//line app/vmalert/notifier/alertmanager_request.qtpl:17
+			qw422016.N().S(`,`)
+//line app/vmalert/notifier/alertmanager_request.qtpl:18
+		}
+//line app/vmalert/notifier/alertmanager_request.qtpl:18
 		qw422016.N().S(`"labels": {`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:19
+//line app/vmalert/notifier/alertmanager_request.qtpl:20
 		ll := len(lbls)

-//line app/vmalert/notifier/alertmanager_request.qtpl:20
+//line app/vmalert/notifier/alertmanager_request.qtpl:21
 		for idx, l := range lbls {
-//line app/vmalert/notifier/alertmanager_request.qtpl:21
+//line app/vmalert/notifier/alertmanager_request.qtpl:22
 			qw422016.N().Q(l.Name)
-//line app/vmalert/notifier/alertmanager_request.qtpl:21
+//line app/vmalert/notifier/alertmanager_request.qtpl:22
 			qw422016.N().S(`:`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:21
+//line app/vmalert/notifier/alertmanager_request.qtpl:22
 			qw422016.N().Q(l.Value)
-//line app/vmalert/notifier/alertmanager_request.qtpl:21
+//line app/vmalert/notifier/alertmanager_request.qtpl:22
 			if idx != ll-1 {
-//line app/vmalert/notifier/alertmanager_request.qtpl:21
+//line app/vmalert/notifier/alertmanager_request.qtpl:22
 				qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:21
+//line app/vmalert/notifier/alertmanager_request.qtpl:22
 			}
-//line app/vmalert/notifier/alertmanager_request.qtpl:22
+//line app/vmalert/notifier/alertmanager_request.qtpl:23
 		}
-//line app/vmalert/notifier/alertmanager_request.qtpl:22
+//line app/vmalert/notifier/alertmanager_request.qtpl:23
 		qw422016.N().S(`},"annotations": {`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:25
+//line app/vmalert/notifier/alertmanager_request.qtpl:26
 		c := len(alert.Annotations)

-//line app/vmalert/notifier/alertmanager_request.qtpl:26
-		for k, v := range alert.Annotations {
 //line app/vmalert/notifier/alertmanager_request.qtpl:27
+		for k, v := range alert.Annotations {
+//line app/vmalert/notifier/alertmanager_request.qtpl:28
 			c = c - 1

-//line app/vmalert/notifier/alertmanager_request.qtpl:28
+//line app/vmalert/notifier/alertmanager_request.qtpl:29
 			qw422016.N().Q(k)
-//line app/vmalert/notifier/alertmanager_request.qtpl:28
+//line app/vmalert/notifier/alertmanager_request.qtpl:29
 			qw422016.N().S(`:`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:28
+//line app/vmalert/notifier/alertmanager_request.qtpl:29
 			qw422016.N().Q(v)
-//line app/vmalert/notifier/alertmanager_request.qtpl:28
+//line app/vmalert/notifier/alertmanager_request.qtpl:29
 			if c > 0 {
-//line app/vmalert/notifier/alertmanager_request.qtpl:28
+//line app/vmalert/notifier/alertmanager_request.qtpl:29
 				qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:28
+//line app/vmalert/notifier/alertmanager_request.qtpl:29
 			}
-//line app/vmalert/notifier/alertmanager_request.qtpl:29
+//line app/vmalert/notifier/alertmanager_request.qtpl:30
 		}
-//line app/vmalert/notifier/alertmanager_request.qtpl:29
+//line app/vmalert/notifier/alertmanager_request.qtpl:30
 		qw422016.N().S(`}}`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:32
+//line app/vmalert/notifier/alertmanager_request.qtpl:33
 		if i != len(alerts)-1 {
-//line app/vmalert/notifier/alertmanager_request.qtpl:32
+//line app/vmalert/notifier/alertmanager_request.qtpl:33
 			qw422016.N().S(`,`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:32
+//line app/vmalert/notifier/alertmanager_request.qtpl:33
 		}
-//line app/vmalert/notifier/alertmanager_request.qtpl:33
+//line app/vmalert/notifier/alertmanager_request.qtpl:34
 	}
-//line app/vmalert/notifier/alertmanager_request.qtpl:33
+//line app/vmalert/notifier/alertmanager_request.qtpl:34
 	qw422016.N().S(`]`)
-//line app/vmalert/notifier/alertmanager_request.qtpl:35
+//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
+//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
 	qw422016 := qt422016.AcquireWriter(qq422016)
-//line app/vmalert/notifier/alertmanager_request.qtpl:35
-	streamamRequest(qw422016, alerts, generatorURL, lblss)
-//line app/vmalert/notifier/alertmanager_request.qtpl:35
+//line app/vmalert/notifier/alertmanager_request.qtpl:36
+	streamamRequest(qw422016, alerts, generatorURL, relabelCfg)
+//line app/vmalert/notifier/alertmanager_request.qtpl:36
 	qt422016.ReleaseWriter(qw422016)
-//line app/vmalert/notifier/alertmanager_request.qtpl:35
+//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
+//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
 	qb422016 := qt422016.AcquireByteBuffer()
-//line app/vmalert/notifier/alertmanager_request.qtpl:35
-	writeamRequest(qb422016, alerts, generatorURL, lblss)
-//line app/vmalert/notifier/alertmanager_request.qtpl:35
+//line app/vmalert/notifier/alertmanager_request.qtpl:36
+	writeamRequest(qb422016, alerts, generatorURL, relabelCfg)
+//line app/vmalert/notifier/alertmanager_request.qtpl:36
 	qs422016 := string(qb422016.B)
-//line app/vmalert/notifier/alertmanager_request.qtpl:35
+//line app/vmalert/notifier/alertmanager_request.qtpl:36
 	qt422016.ReleaseByteBuffer(qb422016)
-//line app/vmalert/notifier/alertmanager_request.qtpl:35
+//line app/vmalert/notifier/alertmanager_request.qtpl:36
 	return qs422016
-//line app/vmalert/notifier/alertmanager_request.qtpl:35
+//line app/vmalert/notifier/alertmanager_request.qtpl:36
 }
--- a/app/vmalert/notifier/alertmanager_test.go
+++ b/app/vmalert/notifier/alertmanager_test.go
@@ -105,16 +105,6 @@ 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)
@@ -178,20 +168,7 @@ func TestAlertManager_Send(t *testing.T) {
 		t.Fatalf("unexpected error %s", err)
 	}

-	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)
+	if c != 3 {
+		t.Fatalf("expected 3 calls(count from zero) to server got %d", c)
 	}
 }
--- a/app/vmalert/notifier/config.go
+++ b/app/vmalert/notifier/config.go
@@ -16,7 +16,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discovery/consul"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discovery/dns"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
 )

 // Config contains list of supported configuration settings
@@ -44,7 +44,7 @@ type Config struct {
 	// AlertRelabelConfigs contains list of relabeling rules alert labels
 	AlertRelabelConfigs []promrelabel.RelabelConfig `yaml:"alert_relabel_configs,omitempty"`
 	// The timeout used when sending alerts.
-	Timeout *promutil.Duration `yaml:"timeout,omitempty"`
+	Timeout *promutils.Duration `yaml:"timeout,omitempty"`

 	// Checksum stores the hash of yaml definition for the config.
 	// May be used to detect any changes to the config file.
@@ -82,7 +82,7 @@ func (cfg *Config) UnmarshalYAML(unmarshal func(any) error) error {
 		cfg.Scheme = "http"
 	}
 	if cfg.Timeout.Duration() == 0 {
-		cfg.Timeout = promutil.NewDuration(time.Second * 10)
+		cfg.Timeout = promutils.NewDuration(time.Second * 10)
 	}
 	rCfg, err := promrelabel.ParseRelabelConfigs(cfg.RelabelConfigs)
 	if err != nil {
@@ -130,7 +130,7 @@ func parseConfig(path string) (*Config, error) {
 	return cfg, nil
 }

-func parseLabels(target string, metaLabels *promutil.Labels, cfg *Config) (string, *promutil.Labels, error) {
+func parseLabels(target string, metaLabels *promutils.Labels, cfg *Config) (string, *promutils.Labels, error) {
 	labels := mergeLabels(target, metaLabels, cfg)
 	labels.Labels = cfg.parsedRelabelConfigs.Apply(labels.Labels, 0)
 	labels.RemoveMetaLabels()
@@ -176,9 +176,9 @@ func addMissingPort(scheme, target string) string {
 	return target
 }

-func mergeLabels(target string, metaLabels *promutil.Labels, cfg *Config) *promutil.Labels {
+func mergeLabels(target string, metaLabels *promutils.Labels, cfg *Config) *promutils.Labels {
 	// See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config
-	m := promutil.NewLabels(3 + metaLabels.Len())
+	m := promutils.NewLabels(3 + metaLabels.Len())
 	address := target
 	scheme := cfg.Scheme
 	alertsPath := path.Join("/", cfg.PathPrefix, alertManagerPath)
--- a/Show More
+++ b/Show More
				`@@ -1 +0,0 @@`
				.uplot,.uplot ,.uplot :before,.uplot :after{box-sizing:border-box}.uplot{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";line-height:1.5;width:min-content}.u-title{text-align:center;font-size:18px;font-weight:700}.u-wrap{position:relative;-webkit-user-select:none;user-select:none}.u-over,.u-under{position:absolute}.u-under{overflow:hidden}.uplot canvas{display:block;position:relative;width:100%;height:100%}.u-axis{position:absolute}.u-legend{font-size:14px;margin:auto;text-align:center}.u-inline{display:block}.u-inline {display:inline-block}.u-inline tr{margin-right:16px}.u-legend th{font-weight:600}.u-legend th>{vertical-align:middle;display:inline-block}.u-legend .u-marker{width:1em;height:1em;margin-right:4px;background-clip:padding-box!important}.u-inline.u-live th:after{content:":";vertical-align:middle}.u-inline:not(.u-live) .u-value{display:none}.u-series>{padding:4px}.u-series th{cursor:pointer}.u-legend .u-off>*{opacity:.3}.u-select{background:#00000012;position:absolute;pointer-events:none}.u-cursor-x,.u-cursor-y{position:absolute;left:0;top:0;pointer-events:none;will-change:transform}.u-hz .u-cursor-x,.u-vt .u-cursor-y{height:100%;border-right:1px dashed #607D8B}.u-hz .u-cursor-y,.u-vt .u-cursor-x{width:100%;border-bottom:1px dashed #607D8B}.u-cursor-pt{position:absolute;top:0;left:0;border-radius:50%;border:0 solid;pointer-events:none;will-change:transform;background-clip:padding-box!important}.u-axis.u-off,.u-select.u-off,.u-cursor-x.u-off,.u-cursor-y.u-off,.u-cursor-pt.u-off{display:none}