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prometheus/tsdb/querier_test.go
beorn7 747c5ee2b1 Apply analyzer "modernize" to the whole codebase 
See
https://pkg.go.dev/golang.org/x/tools/gopls/internal/analysis/modernize
for details.

This ran into a few issues (arguably bugs in the modernize tool),
which I will fix in the next commit, so that we have transparency what
was done automatically.

Beyond those hiccups, I believe all the changes applied are
legitimate. Even where there might be no tangible direct gain, I would
argue it's still better to use the "modern" way to avoid micro
discussions in tiny style PRs later.

Signed-off-by: beorn7 <beorn@grafana.com>
2025-08-27 14:48:41 +02:00

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// Copyright 2017 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tsdb
import (
"context"
"errors"
"fmt"
"math"
"math/rand"
"path/filepath"
"slices"
"sort"
"strconv"
"sync"
"testing"
"time"
"github.com/oklog/ulid/v2"
"github.com/stretchr/testify/require"
"github.com/prometheus/prometheus/model/histogram"
"github.com/prometheus/prometheus/model/labels"
"github.com/prometheus/prometheus/storage"
"github.com/prometheus/prometheus/tsdb/chunkenc"
"github.com/prometheus/prometheus/tsdb/chunks"
"github.com/prometheus/prometheus/tsdb/index"
"github.com/prometheus/prometheus/tsdb/tombstones"
"github.com/prometheus/prometheus/tsdb/tsdbutil"
"github.com/prometheus/prometheus/util/annotations"
"github.com/prometheus/prometheus/util/testutil"
)
// TODO(bwplotka): Replace those mocks with remote.concreteSeriesSet.
type mockSeriesSet struct {
next func() bool
series func() storage.Series
ws func() annotations.Annotations
err func() error
}
func (m *mockSeriesSet) Next() bool { return m.next() }
func (m *mockSeriesSet) At() storage.Series { return m.series() }
func (m *mockSeriesSet) Err() error { return m.err() }
func (m *mockSeriesSet) Warnings() annotations.Annotations { return m.ws() }
func newMockSeriesSet(list []storage.Series) *mockSeriesSet {
i := -1
return &mockSeriesSet{
next: func() bool {
i++
return i < len(list)
},
series: func() storage.Series {
return list[i]
},
err: func() error { return nil },
ws: func() annotations.Annotations { return nil },
}
}
type mockChunkSeriesSet struct {
next func() bool
series func() storage.ChunkSeries
ws func() annotations.Annotations
err func() error
}
func (m *mockChunkSeriesSet) Next() bool { return m.next() }
func (m *mockChunkSeriesSet) At() storage.ChunkSeries { return m.series() }
func (m *mockChunkSeriesSet) Err() error { return m.err() }
func (m *mockChunkSeriesSet) Warnings() annotations.Annotations { return m.ws() }
func newMockChunkSeriesSet(list []storage.ChunkSeries) *mockChunkSeriesSet {
i := -1
return &mockChunkSeriesSet{
next: func() bool {
i++
return i < len(list)
},
series: func() storage.ChunkSeries {
return list[i]
},
err: func() error { return nil },
ws: func() annotations.Annotations { return nil },
}
}
type seriesSamples struct {
lset map[string]string
chunks [][]sample
}
// Index: labels -> postings -> chunkMetas -> chunkRef.
// ChunkReader: ref -> vals.
func createIdxChkReaders(t *testing.T, tc []seriesSamples) (IndexReader, ChunkReader, int64, int64) {
sort.Slice(tc, func(i, _ int) bool {
return labels.Compare(labels.FromMap(tc[i].lset), labels.FromMap(tc[i].lset)) < 0
})
postings := index.NewMemPostings()
chkReader := mockChunkReader(make(map[chunks.ChunkRef]chunkenc.Chunk))
lblIdx := make(map[string]map[string]struct{})
mi := newMockIndex()
blockMint := int64(math.MaxInt64)
blockMaxt := int64(math.MinInt64)
var chunkRef chunks.ChunkRef
for i, s := range tc {
i++ // 0 is not a valid posting.
metas := make([]chunks.Meta, 0, len(s.chunks))
for _, chk := range s.chunks {
if chk[0].t < blockMint {
blockMint = chk[0].t
}
if chk[len(chk)-1].t > blockMaxt {
blockMaxt = chk[len(chk)-1].t
}
metas = append(metas, chunks.Meta{
MinTime: chk[0].t,
MaxTime: chk[len(chk)-1].t,
Ref: chunkRef,
})
switch {
case chk[0].fh != nil:
chunk := chunkenc.NewFloatHistogramChunk()
app, _ := chunk.Appender()
for _, smpl := range chk {
require.NotNil(t, smpl.fh, "chunk can only contain one type of sample")
_, _, _, err := app.AppendFloatHistogram(nil, smpl.t, smpl.fh, true)
require.NoError(t, err, "chunk should be appendable")
}
chkReader[chunkRef] = chunk
case chk[0].h != nil:
chunk := chunkenc.NewHistogramChunk()
app, _ := chunk.Appender()
for _, smpl := range chk {
require.NotNil(t, smpl.h, "chunk can only contain one type of sample")
_, _, _, err := app.AppendHistogram(nil, smpl.t, smpl.h, true)
require.NoError(t, err, "chunk should be appendable")
}
chkReader[chunkRef] = chunk
default:
chunk := chunkenc.NewXORChunk()
app, _ := chunk.Appender()
for _, smpl := range chk {
require.Nil(t, smpl.h, "chunk can only contain one type of sample")
require.Nil(t, smpl.fh, "chunk can only contain one type of sample")
app.Append(smpl.t, smpl.f)
}
chkReader[chunkRef] = chunk
}
chunkRef++
}
ls := labels.FromMap(s.lset)
require.NoError(t, mi.AddSeries(storage.SeriesRef(i), ls, metas...))
postings.Add(storage.SeriesRef(i), ls)
ls.Range(func(l labels.Label) {
vs, present := lblIdx[l.Name]
if !present {
vs = map[string]struct{}{}
lblIdx[l.Name] = vs
}
vs[l.Value] = struct{}{}
})
}
require.NoError(t, postings.Iter(func(l labels.Label, p index.Postings) error {
return mi.WritePostings(l.Name, l.Value, p)
}))
return mi, chkReader, blockMint, blockMaxt
}
type blockQuerierTestCase struct {
mint, maxt int64
ms []*labels.Matcher
hints *storage.SelectHints
exp storage.SeriesSet
expChks storage.ChunkSeriesSet
}
func testBlockQuerier(t *testing.T, c blockQuerierTestCase, ir IndexReader, cr ChunkReader, stones *tombstones.MemTombstones) {
t.Run("sample", func(t *testing.T) {
q := blockQuerier{
blockBaseQuerier: &blockBaseQuerier{
index: ir,
chunks: cr,
tombstones: stones,
mint: c.mint,
maxt: c.maxt,
},
}
res := q.Select(context.Background(), false, c.hints, c.ms...)
defer func() { require.NoError(t, q.Close()) }()
for {
eok, rok := c.exp.Next(), res.Next()
require.Equal(t, eok, rok)
if !eok {
require.Empty(t, res.Warnings())
break
}
sexp := c.exp.At()
sres := res.At()
require.Equal(t, sexp.Labels(), sres.Labels())
smplExp, errExp := storage.ExpandSamples(sexp.Iterator(nil), nil)
smplRes, errRes := storage.ExpandSamples(sres.Iterator(nil), nil)
require.Equal(t, errExp, errRes)
require.Equal(t, smplExp, smplRes)
}
require.NoError(t, res.Err())
})
t.Run("chunk", func(t *testing.T) {
q := blockChunkQuerier{
blockBaseQuerier: &blockBaseQuerier{
index: ir,
chunks: cr,
tombstones: stones,
mint: c.mint,
maxt: c.maxt,
},
}
res := q.Select(context.Background(), false, c.hints, c.ms...)
defer func() { require.NoError(t, q.Close()) }()
for {
eok, rok := c.expChks.Next(), res.Next()
require.Equal(t, eok, rok)
if !eok {
require.Empty(t, res.Warnings())
break
}
sexpChks := c.expChks.At()
sres := res.At()
require.Equal(t, sexpChks.Labels(), sres.Labels())
chksExp, errExp := storage.ExpandChunks(sexpChks.Iterator(nil))
rmChunkRefs(chksExp)
chksRes, errRes := storage.ExpandChunks(sres.Iterator(nil))
rmChunkRefs(chksRes)
require.Equal(t, errExp, errRes)
require.Len(t, chksRes, len(chksExp))
var exp, act [][]chunks.Sample
for i := range chksExp {
samples, err := storage.ExpandSamples(chksExp[i].Chunk.Iterator(nil), nil)
require.NoError(t, err)
exp = append(exp, samples)
samples, err = storage.ExpandSamples(chksRes[i].Chunk.Iterator(nil), nil)
require.NoError(t, err)
act = append(act, samples)
}
require.Equal(t, exp, act)
}
require.NoError(t, res.Err())
})
}
func TestBlockQuerier(t *testing.T) {
for _, c := range []blockQuerierTestCase{
{
mint: 0,
maxt: 0,
ms: []*labels.Matcher{},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: 0,
maxt: 0,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: 1,
maxt: 0,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: math.MinInt64,
maxt: math.MaxInt64,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "x")},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: math.MinInt64,
maxt: math.MaxInt64,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "a", ".*")},
exp: newMockSeriesSet([]storage.Series{
storage.NewListSeries(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 4, nil, nil}, sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{1, 1, nil, nil}, sample{2, 2, nil, nil}, sample{3, 3, nil, nil}, sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("b", "b"),
[]chunks.Sample{sample{1, 3, nil, nil}, sample{2, 2, nil, nil}, sample{3, 6, nil, nil}, sample{5, 1, nil, nil}, sample{6, 7, nil, nil}, sample{7, 2, nil, nil}},
),
}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 4, nil, nil}}, []chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{1, 1, nil, nil}, sample{2, 2, nil, nil}, sample{3, 3, nil, nil}}, []chunks.Sample{sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("b", "b"),
[]chunks.Sample{sample{1, 3, nil, nil}, sample{2, 2, nil, nil}, sample{3, 6, nil, nil}}, []chunks.Sample{sample{5, 1, nil, nil}, sample{6, 7, nil, nil}, sample{7, 2, nil, nil}},
),
}),
},
{
mint: 2,
maxt: 6,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{
storage.NewListSeries(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{2, 3, nil, nil}, sample{3, 4, nil, nil}, sample{5, 2, nil, nil}, sample{6, 3, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{2, 2, nil, nil}, sample{3, 3, nil, nil}, sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{2, 3, nil, nil}, sample{3, 4, nil, nil}}, []chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{2, 2, nil, nil}, sample{3, 3, nil, nil}}, []chunks.Sample{sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
},
{
// This test runs a query disabling trimming. All chunks containing at least 1 sample within the queried
// time range will be returned.
mint: 2,
maxt: 6,
hints: &storage.SelectHints{Start: 2, End: 6, DisableTrimming: true},
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{
storage.NewListSeries(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 4, nil, nil}, sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{1, 1, nil, nil}, sample{2, 2, nil, nil}, sample{3, 3, nil, nil}, sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 4, nil, nil}},
[]chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{1, 1, nil, nil}, sample{2, 2, nil, nil}, sample{3, 3, nil, nil}},
[]chunks.Sample{sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
},
{
// This test runs a query disabling trimming. All chunks containing at least 1 sample within the queried
// time range will be returned.
mint: 5,
maxt: 6,
hints: &storage.SelectHints{Start: 5, End: 6, DisableTrimming: true},
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{
storage.NewListSeries(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
},
} {
t.Run("", func(t *testing.T) {
ir, cr, _, _ := createIdxChkReaders(t, testData)
testBlockQuerier(t, c, ir, cr, tombstones.NewMemTombstones())
})
}
}
func TestBlockQuerier_AgainstHeadWithOpenChunks(t *testing.T) {
for _, c := range []blockQuerierTestCase{
{
mint: 0,
maxt: 0,
ms: []*labels.Matcher{},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: 0,
maxt: 0,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: 1,
maxt: 0,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: math.MinInt64,
maxt: math.MaxInt64,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "x")},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: math.MinInt64,
maxt: math.MaxInt64,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "a", ".*")},
exp: newMockSeriesSet([]storage.Series{
storage.NewListSeries(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 4, nil, nil}, sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{1, 1, nil, nil}, sample{2, 2, nil, nil}, sample{3, 3, nil, nil}, sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("b", "b"),
[]chunks.Sample{sample{1, 3, nil, nil}, sample{2, 2, nil, nil}, sample{3, 6, nil, nil}, sample{5, 1, nil, nil}, sample{6, 7, nil, nil}, sample{7, 2, nil, nil}},
),
}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 4, nil, nil}, sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{1, 1, nil, nil}, sample{2, 2, nil, nil}, sample{3, 3, nil, nil}, sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("b", "b"),
[]chunks.Sample{sample{1, 3, nil, nil}, sample{2, 2, nil, nil}, sample{3, 6, nil, nil}, sample{5, 1, nil, nil}, sample{6, 7, nil, nil}, sample{7, 2, nil, nil}},
),
}),
},
{
mint: 2,
maxt: 6,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{
storage.NewListSeries(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{2, 3, nil, nil}, sample{3, 4, nil, nil}, sample{5, 2, nil, nil}, sample{6, 3, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{2, 2, nil, nil}, sample{3, 3, nil, nil}, sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{2, 3, nil, nil}, sample{3, 4, nil, nil}, sample{5, 2, nil, nil}, sample{6, 3, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{2, 2, nil, nil}, sample{3, 3, nil, nil}, sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
},
} {
t.Run("", func(t *testing.T) {
opts := DefaultHeadOptions()
opts.ChunkRange = 2 * time.Hour.Milliseconds()
h, err := NewHead(nil, nil, nil, nil, opts, nil)
require.NoError(t, err)
defer h.Close()
app := h.Appender(context.Background())
for _, s := range testData {
for _, chk := range s.chunks {
for _, sample := range chk {
_, err = app.Append(0, labels.FromMap(s.lset), sample.t, sample.f)
require.NoError(t, err)
}
}
}
require.NoError(t, app.Commit())
hr := NewRangeHead(h, c.mint, c.maxt)
ir, err := hr.Index()
require.NoError(t, err)
defer ir.Close()
cr, err := hr.Chunks()
require.NoError(t, err)
defer cr.Close()
testBlockQuerier(t, c, ir, cr, tombstones.NewMemTombstones())
})
}
}
func TestBlockQuerier_TrimmingDoesNotModifyOriginalTombstoneIntervals(t *testing.T) {
ctx := context.Background()
c := blockQuerierTestCase{
mint: 2,
maxt: 6,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "a", "a")},
exp: newMockSeriesSet([]storage.Series{
storage.NewListSeries(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{3, 4, nil, nil}, sample{5, 2, nil, nil}, sample{6, 3, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{3, 3, nil, nil}, sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{3, 4, nil, nil}}, []chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{3, 3, nil, nil}}, []chunks.Sample{sample{5, 3, nil, nil}, sample{6, 6, nil, nil}},
),
}),
}
ir, cr, _, _ := createIdxChkReaders(t, testData)
stones := tombstones.NewMemTombstones()
p, err := ir.Postings(ctx, "a", "a")
require.NoError(t, err)
refs, err := index.ExpandPostings(p)
require.NoError(t, err)
for _, ref := range refs {
stones.AddInterval(ref, tombstones.Interval{Mint: 1, Maxt: 2})
}
testBlockQuerier(t, c, ir, cr, stones)
for _, ref := range refs {
intervals, err := stones.Get(ref)
require.NoError(t, err)
// Without copy, the intervals could be [math.MinInt64, 2].
require.Equal(t, tombstones.Intervals{{Mint: 1, Maxt: 2}}, intervals)
}
}
var testData = []seriesSamples{
{
lset: map[string]string{"a": "a"},
chunks: [][]sample{
{{1, 2, nil, nil}, {2, 3, nil, nil}, {3, 4, nil, nil}},
{{5, 2, nil, nil}, {6, 3, nil, nil}, {7, 4, nil, nil}},
},
},
{
lset: map[string]string{"a": "a", "b": "b"},
chunks: [][]sample{
{{1, 1, nil, nil}, {2, 2, nil, nil}, {3, 3, nil, nil}},
{{5, 3, nil, nil}, {6, 6, nil, nil}},
},
},
{
lset: map[string]string{"b": "b"},
chunks: [][]sample{
{{1, 3, nil, nil}, {2, 2, nil, nil}, {3, 6, nil, nil}},
{{5, 1, nil, nil}, {6, 7, nil, nil}, {7, 2, nil, nil}},
},
},
}
func TestBlockQuerierDelete(t *testing.T) {
stones := tombstones.NewTestMemTombstones([]tombstones.Intervals{
{{Mint: 1, Maxt: 3}},
{{Mint: 1, Maxt: 3}, {Mint: 6, Maxt: 10}},
{{Mint: 6, Maxt: 10}},
})
for _, c := range []blockQuerierTestCase{
{
mint: 0,
maxt: 0,
ms: []*labels.Matcher{},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: 0,
maxt: 0,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: 1,
maxt: 0,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: math.MinInt64,
maxt: math.MaxInt64,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "x")},
exp: newMockSeriesSet([]storage.Series{}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{}),
},
{
mint: math.MinInt64,
maxt: math.MaxInt64,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "a", ".*")},
exp: newMockSeriesSet([]storage.Series{
storage.NewListSeries(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{5, 3, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("b", "b"),
[]chunks.Sample{sample{1, 3, nil, nil}, sample{2, 2, nil, nil}, sample{3, 6, nil, nil}, sample{5, 1, nil, nil}},
),
}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}, sample{7, 4, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{5, 3, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("b", "b"),
[]chunks.Sample{sample{1, 3, nil, nil}, sample{2, 2, nil, nil}, sample{3, 6, nil, nil}}, []chunks.Sample{sample{5, 1, nil, nil}},
),
}),
},
{
mint: 2,
maxt: 6,
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
exp: newMockSeriesSet([]storage.Series{
storage.NewListSeries(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}},
),
storage.NewListSeries(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{5, 3, nil, nil}},
),
}),
expChks: newMockChunkSeriesSet([]storage.ChunkSeries{
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a"),
[]chunks.Sample{sample{5, 2, nil, nil}, sample{6, 3, nil, nil}},
),
storage.NewListChunkSeriesFromSamples(labels.FromStrings("a", "a", "b", "b"),
[]chunks.Sample{sample{5, 3, nil, nil}},
),
}),
},
} {
t.Run("", func(t *testing.T) {
ir, cr, _, _ := createIdxChkReaders(t, testData)
testBlockQuerier(t, c, ir, cr, stones)
})
}
}
type fakeChunksReader struct {
ChunkReader
chks map[chunks.ChunkRef]chunkenc.Chunk
iterables map[chunks.ChunkRef]chunkenc.Iterable
}
func createFakeReaderAndNotPopulatedChunks(s ...[]chunks.Sample) (*fakeChunksReader, []chunks.Meta) {
f := &fakeChunksReader{
chks: map[chunks.ChunkRef]chunkenc.Chunk{},
iterables: map[chunks.ChunkRef]chunkenc.Iterable{},
}
chks := make([]chunks.Meta, 0, len(s))
for ref, samples := range s {
chk, _ := chunks.ChunkFromSamples(samples)
f.chks[chunks.ChunkRef(ref)] = chk.Chunk
chks = append(chks, chunks.Meta{
Ref: chunks.ChunkRef(ref),
MinTime: chk.MinTime,
MaxTime: chk.MaxTime,
})
}
return f, chks
}
// Samples in each slice are assumed to be sorted.
func createFakeReaderAndIterables(s ...[]chunks.Sample) (*fakeChunksReader, []chunks.Meta) {
f := &fakeChunksReader{
chks: map[chunks.ChunkRef]chunkenc.Chunk{},
iterables: map[chunks.ChunkRef]chunkenc.Iterable{},
}
chks := make([]chunks.Meta, 0, len(s))
for ref, samples := range s {
f.iterables[chunks.ChunkRef(ref)] = &mockIterable{s: samples}
var minTime, maxTime int64
if len(samples) > 0 {
minTime = samples[0].T()
maxTime = samples[len(samples)-1].T()
}
chks = append(chks, chunks.Meta{
Ref: chunks.ChunkRef(ref),
MinTime: minTime,
MaxTime: maxTime,
})
}
return f, chks
}
func (r *fakeChunksReader) ChunkOrIterable(meta chunks.Meta) (chunkenc.Chunk, chunkenc.Iterable, error) {
if chk, ok := r.chks[meta.Ref]; ok {
return chk, nil, nil
}
if it, ok := r.iterables[meta.Ref]; ok {
return nil, it, nil
}
return nil, nil, fmt.Errorf("chunk or iterable not found at ref %v", meta.Ref)
}
type mockIterable struct {
s []chunks.Sample
}
func (it *mockIterable) Iterator(chunkenc.Iterator) chunkenc.Iterator {
return &mockSampleIterator{
s: it.s,
idx: -1,
}
}
type mockSampleIterator struct {
s []chunks.Sample
idx int
}
func (it *mockSampleIterator) Seek(t int64) chunkenc.ValueType {
for ; it.idx < len(it.s); it.idx++ {
if it.idx != -1 && it.s[it.idx].T() >= t {
return it.s[it.idx].Type()
}
}
return chunkenc.ValNone
}
func (it *mockSampleIterator) At() (int64, float64) {
return it.s[it.idx].T(), it.s[it.idx].F()
}
func (it *mockSampleIterator) AtHistogram(*histogram.Histogram) (int64, *histogram.Histogram) {
return it.s[it.idx].T(), it.s[it.idx].H()
}
func (it *mockSampleIterator) AtFloatHistogram(*histogram.FloatHistogram) (int64, *histogram.FloatHistogram) {
return it.s[it.idx].T(), it.s[it.idx].FH()
}
func (it *mockSampleIterator) AtT() int64 {
return it.s[it.idx].T()
}
func (it *mockSampleIterator) Next() chunkenc.ValueType {
if it.idx < len(it.s)-1 {
it.idx++
return it.s[it.idx].Type()
}
return chunkenc.ValNone
}
func (*mockSampleIterator) Err() error { return nil }
func TestPopulateWithTombSeriesIterators(t *testing.T) {
type minMaxTimes struct {
minTime, maxTime int64
}
cases := []struct {
name string
samples [][]chunks.Sample
expected []chunks.Sample
expectedChks []chunks.Meta
expectedMinMaxTimes []minMaxTimes
intervals tombstones.Intervals
// Seek being zero means do not test seek.
seek int64
seekSuccess bool
// Set this to true if a sample slice will form multiple chunks.
skipChunkTest bool
skipIterableTest bool
}{
{
name: "no chunk",
samples: [][]chunks.Sample{},
},
{
name: "one empty chunk", // This should never happen.
samples: [][]chunks.Sample{{}},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{}),
},
expectedMinMaxTimes: []minMaxTimes{{0, 0}},
// iterables with no samples will return no chunks instead of empty chunks
skipIterableTest: true,
},
{
name: "one empty iterable",
samples: [][]chunks.Sample{{}},
// iterables with no samples will return no chunks
expectedChks: nil,
skipChunkTest: true,
},
{
name: "three empty chunks", // This should never happen.
samples: [][]chunks.Sample{{}, {}, {}},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{}),
assureChunkFromSamples(t, []chunks.Sample{}),
assureChunkFromSamples(t, []chunks.Sample{}),
},
expectedMinMaxTimes: []minMaxTimes{{0, 0}, {0, 0}, {0, 0}},
// iterables with no samples will return no chunks instead of empty chunks
skipIterableTest: true,
},
{
name: "three empty iterables",
samples: [][]chunks.Sample{{}, {}, {}},
// iterables with no samples will return no chunks
expectedChks: nil,
skipChunkTest: true,
},
{
name: "one chunk",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
},
expected: []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 6}},
},
{
name: "two full chunks",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
expected: []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}, sample{7, 89, nil, nil}, sample{9, 8, nil, nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 89, nil, nil}, sample{9, 8, nil, nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 6}, {7, 9}},
},
{
name: "three full chunks",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
{sample{10, 22, nil, nil}, sample{203, 3493, nil, nil}},
},
expected: []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}, sample{7, 89, nil, nil}, sample{9, 8, nil, nil}, sample{10, 22, nil, nil}, sample{203, 3493, nil, nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 89, nil, nil}, sample{9, 8, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{10, 22, nil, nil}, sample{203, 3493, nil, nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 6}, {7, 9}, {10, 203}},
},
// Seek cases.
{
name: "three empty chunks and seek", // This should never happen.
samples: [][]chunks.Sample{{}, {}, {}},
seek: 1,
seekSuccess: false,
},
{
name: "two chunks and seek beyond chunks",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
seek: 10,
seekSuccess: false,
},
{
name: "two chunks and seek on middle of first chunk",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
seek: 2,
seekSuccess: true,
expected: []chunks.Sample{
sample{3, 5, nil, nil}, sample{6, 1, nil, nil}, sample{7, 89, nil, nil}, sample{9, 8, nil, nil},
},
},
{
name: "two chunks and seek before first chunk",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
seek: -32,
seekSuccess: true,
expected: []chunks.Sample{
sample{1, 2, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}, sample{7, 89, nil, nil}, sample{9, 8, nil, nil},
},
},
// Deletion / Trim cases.
{
name: "no chunk with deletion interval",
samples: [][]chunks.Sample{},
intervals: tombstones.Intervals{{Mint: 20, Maxt: 21}},
},
{
name: "two chunks with trimmed first and last samples from edge chunks",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
intervals: tombstones.Intervals{{Mint: math.MinInt64, Maxt: 2}}.Add(tombstones.Interval{Mint: 9, Maxt: math.MaxInt64}),
expected: []chunks.Sample{
sample{3, 5, nil, nil}, sample{6, 1, nil, nil}, sample{7, 89, nil, nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{3, 5, nil, nil}, sample{6, 1, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 89, nil, nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{3, 6}, {7, 7}},
},
{
name: "two chunks with trimmed middle sample of first chunk",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
intervals: tombstones.Intervals{{Mint: 2, Maxt: 3}},
expected: []chunks.Sample{
sample{1, 2, nil, nil}, sample{6, 1, nil, nil}, sample{7, 89, nil, nil}, sample{9, 8, nil, nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 2, nil, nil}, sample{6, 1, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 89, nil, nil}, sample{9, 8, nil, nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 6}, {7, 9}},
},
{
name: "two chunks with deletion across two chunks",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
intervals: tombstones.Intervals{{Mint: 6, Maxt: 7}},
expected: []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{9, 8, nil, nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{9, 8, nil, nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 3}, {9, 9}},
},
{
name: "two chunks with first chunk deleted",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
intervals: tombstones.Intervals{{Mint: 1, Maxt: 6}},
expected: []chunks.Sample{
sample{7, 89, nil, nil}, sample{9, 8, nil, nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 89, nil, nil}, sample{9, 8, nil, nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{7, 9}},
},
// Deletion with seek.
{
name: "two chunks with trimmed first and last samples from edge chunks, seek from middle of first chunk",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
intervals: tombstones.Intervals{{Mint: math.MinInt64, Maxt: 2}}.Add(tombstones.Interval{Mint: 9, Maxt: math.MaxInt64}),
seek: 3,
seekSuccess: true,
expected: []chunks.Sample{
sample{3, 5, nil, nil}, sample{6, 1, nil, nil}, sample{7, 89, nil, nil},
},
},
{
name: "one chunk where all samples are trimmed",
samples: [][]chunks.Sample{
{sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{sample{7, 89, nil, nil}, sample{9, 8, nil, nil}},
},
intervals: tombstones.Intervals{{Mint: math.MinInt64, Maxt: 3}}.Add(tombstones.Interval{Mint: 4, Maxt: math.MaxInt64}),
expected: nil,
expectedChks: nil,
},
{
name: "one histogram chunk",
samples: [][]chunks.Sample{
{
sample{1, 0, tsdbutil.GenerateTestHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestHistogram(6), nil},
},
},
expected: []chunks.Sample{
sample{1, 0, tsdbutil.GenerateTestHistogram(1), nil},
sample{2, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(2)), nil},
sample{3, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(3)), nil},
sample{6, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(6)), nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 0, tsdbutil.GenerateTestHistogram(1), nil},
sample{2, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(2)), nil},
sample{3, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(3)), nil},
sample{6, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(6)), nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 6}},
},
{
name: "one histogram chunk intersect with earlier deletion interval",
samples: [][]chunks.Sample{
{
sample{1, 0, tsdbutil.GenerateTestHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestHistogram(6), nil},
},
},
intervals: tombstones.Intervals{{Mint: 1, Maxt: 2}},
expected: []chunks.Sample{
sample{3, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(3)), nil},
sample{6, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(6)), nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{3, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(3)), nil},
sample{6, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(6)), nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{3, 6}},
},
{
name: "one histogram chunk intersect with later deletion interval",
samples: [][]chunks.Sample{
{
sample{1, 0, tsdbutil.GenerateTestHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestHistogram(6), nil},
},
},
intervals: tombstones.Intervals{{Mint: 5, Maxt: 20}},
expected: []chunks.Sample{
sample{1, 0, tsdbutil.GenerateTestHistogram(1), nil},
sample{2, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(2)), nil},
sample{3, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(3)), nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 0, tsdbutil.GenerateTestHistogram(1), nil},
sample{2, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(2)), nil},
sample{3, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(3)), nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 3}},
},
{
name: "one float histogram chunk",
samples: [][]chunks.Sample{
{
sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
},
},
expected: []chunks.Sample{
sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(2))},
sample{3, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(3))},
sample{6, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(6))},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(2))},
sample{3, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(3))},
sample{6, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(6))},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 6}},
},
{
name: "one float histogram chunk intersect with earlier deletion interval",
samples: [][]chunks.Sample{
{
sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
},
},
intervals: tombstones.Intervals{{Mint: 1, Maxt: 2}},
expected: []chunks.Sample{
sample{3, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(3))},
sample{6, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(6))},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{3, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(3))},
sample{6, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(6))},
}),
},
expectedMinMaxTimes: []minMaxTimes{{3, 6}},
},
{
name: "one float histogram chunk intersect with later deletion interval",
samples: [][]chunks.Sample{
{
sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
},
},
intervals: tombstones.Intervals{{Mint: 5, Maxt: 20}},
expected: []chunks.Sample{
sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(2))},
sample{3, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(3))},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(2))},
sample{3, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(3))},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 3}},
},
{
name: "one gauge histogram chunk",
samples: [][]chunks.Sample{
{
sample{1, 0, tsdbutil.GenerateTestGaugeHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestGaugeHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestGaugeHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestGaugeHistogram(6), nil},
},
},
expected: []chunks.Sample{
sample{1, 0, tsdbutil.GenerateTestGaugeHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestGaugeHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestGaugeHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestGaugeHistogram(6), nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 0, tsdbutil.GenerateTestGaugeHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestGaugeHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestGaugeHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestGaugeHistogram(6), nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 6}},
},
{
name: "one gauge histogram chunk intersect with earlier deletion interval",
samples: [][]chunks.Sample{
{
sample{1, 0, tsdbutil.GenerateTestGaugeHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestGaugeHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestGaugeHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestGaugeHistogram(6), nil},
},
},
intervals: tombstones.Intervals{{Mint: 1, Maxt: 2}},
expected: []chunks.Sample{
sample{3, 0, tsdbutil.GenerateTestGaugeHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestGaugeHistogram(6), nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{3, 0, tsdbutil.GenerateTestGaugeHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestGaugeHistogram(6), nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{3, 6}},
},
{
name: "one gauge histogram chunk intersect with later deletion interval",
samples: [][]chunks.Sample{
{
sample{1, 0, tsdbutil.GenerateTestGaugeHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestGaugeHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestGaugeHistogram(3), nil},
sample{6, 0, tsdbutil.GenerateTestGaugeHistogram(6), nil},
},
},
intervals: tombstones.Intervals{{Mint: 5, Maxt: 20}},
expected: []chunks.Sample{
sample{1, 0, tsdbutil.GenerateTestGaugeHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestGaugeHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestGaugeHistogram(3), nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 0, tsdbutil.GenerateTestGaugeHistogram(1), nil},
sample{2, 0, tsdbutil.GenerateTestGaugeHistogram(2), nil},
sample{3, 0, tsdbutil.GenerateTestGaugeHistogram(3), nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 3}},
},
{
name: "one gauge float histogram",
samples: [][]chunks.Sample{
{
sample{1, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(6)},
},
},
expected: []chunks.Sample{
sample{1, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(6)},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(6)},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 6}},
},
{
name: "one gauge float histogram chunk intersect with earlier deletion interval",
samples: [][]chunks.Sample{
{
sample{1, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(6)},
},
},
intervals: tombstones.Intervals{{Mint: 1, Maxt: 2}},
expected: []chunks.Sample{
sample{3, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(6)},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{3, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(6)},
}),
},
expectedMinMaxTimes: []minMaxTimes{{3, 6}},
},
{
name: "one gauge float histogram chunk intersect with later deletion interval",
samples: [][]chunks.Sample{
{
sample{1, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3)},
sample{6, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(6)},
},
},
intervals: tombstones.Intervals{{Mint: 5, Maxt: 20}},
expected: []chunks.Sample{
sample{1, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3)},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(1)},
sample{2, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(2)},
sample{3, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3)},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 3}},
},
{
name: "three full mixed chunks",
samples: [][]chunks.Sample{
{sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}},
{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil},
sample{9, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil},
},
{
sample{10, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)},
sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
},
},
expected: []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil}, sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil}, sample{9, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil}, sample{10, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)}, sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{1, 2, nil, nil}, sample{2, 3, nil, nil}, sample{3, 5, nil, nil}, sample{6, 1, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil},
sample{9, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{10, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)},
sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
}),
},
expectedMinMaxTimes: []minMaxTimes{{1, 6}, {7, 9}, {10, 203}},
},
{
name: "three full mixed chunks in different order",
samples: [][]chunks.Sample{
{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil},
sample{9, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil},
},
{sample{11, 2, nil, nil}, sample{12, 3, nil, nil}, sample{13, 5, nil, nil}, sample{16, 1, nil, nil}},
{
sample{100, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)},
sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
},
},
expected: []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil}, sample{9, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil}, sample{11, 2, nil, nil}, sample{12, 3, nil, nil}, sample{13, 5, nil, nil}, sample{16, 1, nil, nil}, sample{100, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)}, sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil},
sample{9, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{11, 2, nil, nil}, sample{12, 3, nil, nil}, sample{13, 5, nil, nil}, sample{16, 1, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{100, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)},
sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
}),
},
expectedMinMaxTimes: []minMaxTimes{{7, 9}, {11, 16}, {100, 203}},
},
{
name: "three full mixed chunks in different order intersect with deletion interval",
samples: [][]chunks.Sample{
{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil},
sample{9, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil},
},
{sample{11, 2, nil, nil}, sample{12, 3, nil, nil}, sample{13, 5, nil, nil}, sample{16, 1, nil, nil}},
{
sample{100, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)},
sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
},
},
intervals: tombstones.Intervals{{Mint: 8, Maxt: 11}, {Mint: 15, Maxt: 150}},
expected: []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil}, sample{12, 3, nil, nil}, sample{13, 5, nil, nil}, sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{12, 3, nil, nil}, sample{13, 5, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
}),
},
expectedMinMaxTimes: []minMaxTimes{{7, 7}, {12, 13}, {203, 203}},
},
{
name: "three full mixed chunks overlapping",
samples: [][]chunks.Sample{
{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil},
sample{12, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil},
},
{sample{11, 2, nil, nil}, sample{12, 3, nil, nil}, sample{13, 5, nil, nil}, sample{16, 1, nil, nil}},
{
sample{10, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)},
sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
},
},
expected: []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil}, sample{12, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil}, sample{11, 2, nil, nil}, sample{12, 3, nil, nil}, sample{13, 5, nil, nil}, sample{16, 1, nil, nil}, sample{10, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)}, sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestGaugeHistogram(89), nil},
sample{12, 0, tsdbutil.GenerateTestGaugeHistogram(8), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{11, 2, nil, nil}, sample{12, 3, nil, nil}, sample{13, 5, nil, nil}, sample{16, 1, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{10, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(22)},
sample{203, 0, nil, tsdbutil.GenerateTestGaugeFloatHistogram(3493)},
}),
},
expectedMinMaxTimes: []minMaxTimes{{7, 12}, {11, 16}, {10, 203}},
},
{
name: "int histogram iterables with counter resets",
samples: [][]chunks.Sample{
{
sample{7, 0, tsdbutil.GenerateTestHistogram(8), nil},
sample{8, 0, tsdbutil.GenerateTestHistogram(9), nil},
// Counter reset should be detected when chunks are created from the iterable.
sample{12, 0, tsdbutil.GenerateTestHistogram(5), nil},
sample{15, 0, tsdbutil.GenerateTestHistogram(6), nil},
sample{16, 0, tsdbutil.GenerateTestHistogram(7), nil},
// Counter reset should be detected when chunks are created from the iterable.
sample{17, 0, tsdbutil.GenerateTestHistogram(5), nil},
},
{
sample{18, 0, tsdbutil.GenerateTestHistogram(6), nil},
sample{19, 0, tsdbutil.GenerateTestHistogram(7), nil},
// Counter reset should be detected when chunks are created from the iterable.
sample{20, 0, tsdbutil.GenerateTestHistogram(5), nil},
sample{21, 0, tsdbutil.GenerateTestHistogram(6), nil},
},
},
expected: []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestHistogram(8), nil},
sample{8, 0, tsdbutil.GenerateTestHistogram(9), nil},
sample{12, 0, tsdbutil.GenerateTestHistogram(5), nil},
sample{15, 0, tsdbutil.GenerateTestHistogram(6), nil},
sample{16, 0, tsdbutil.GenerateTestHistogram(7), nil},
sample{17, 0, tsdbutil.GenerateTestHistogram(5), nil},
sample{18, 0, tsdbutil.GenerateTestHistogram(6), nil},
sample{19, 0, tsdbutil.GenerateTestHistogram(7), nil},
sample{20, 0, tsdbutil.GenerateTestHistogram(5), nil},
sample{21, 0, tsdbutil.GenerateTestHistogram(6), nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestHistogram(8), nil},
sample{8, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(9)), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{12, 0, tsdbutil.SetHistogramCounterReset(tsdbutil.GenerateTestHistogram(5)), nil},
sample{15, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(6)), nil},
sample{16, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(7)), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{17, 0, tsdbutil.SetHistogramCounterReset(tsdbutil.GenerateTestHistogram(5)), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{18, 0, tsdbutil.GenerateTestHistogram(6), nil},
sample{19, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(7)), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{20, 0, tsdbutil.SetHistogramCounterReset(tsdbutil.GenerateTestHistogram(5)), nil},
sample{21, 0, tsdbutil.SetHistogramNotCounterReset(tsdbutil.GenerateTestHistogram(6)), nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{
{7, 8},
{12, 16},
{17, 17},
{18, 19},
{20, 21},
},
// Skipping chunk test - can't create a single chunk for each
// sample slice since there are counter resets in the middle of
// the slices.
skipChunkTest: true,
},
{
name: "float histogram iterables with counter resets",
samples: [][]chunks.Sample{
{
sample{7, 0, nil, tsdbutil.GenerateTestFloatHistogram(8)},
sample{8, 0, nil, tsdbutil.GenerateTestFloatHistogram(9)},
// Counter reset should be detected when chunks are created from the iterable.
sample{12, 0, nil, tsdbutil.GenerateTestFloatHistogram(5)},
sample{15, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
sample{16, 0, nil, tsdbutil.GenerateTestFloatHistogram(7)},
// Counter reset should be detected when chunks are created from the iterable.
sample{17, 0, nil, tsdbutil.GenerateTestFloatHistogram(5)},
},
{
sample{18, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
sample{19, 0, nil, tsdbutil.GenerateTestFloatHistogram(7)},
// Counter reset should be detected when chunks are created from the iterable.
sample{20, 0, nil, tsdbutil.GenerateTestFloatHistogram(5)},
sample{21, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
},
},
expected: []chunks.Sample{
sample{7, 0, nil, tsdbutil.GenerateTestFloatHistogram(8)},
sample{8, 0, nil, tsdbutil.GenerateTestFloatHistogram(9)},
sample{12, 0, nil, tsdbutil.GenerateTestFloatHistogram(5)},
sample{15, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
sample{16, 0, nil, tsdbutil.GenerateTestFloatHistogram(7)},
sample{17, 0, nil, tsdbutil.GenerateTestFloatHistogram(5)},
sample{18, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
sample{19, 0, nil, tsdbutil.GenerateTestFloatHistogram(7)},
sample{20, 0, nil, tsdbutil.GenerateTestFloatHistogram(5)},
sample{21, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 0, nil, tsdbutil.GenerateTestFloatHistogram(8)},
sample{8, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(9))},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{12, 0, nil, tsdbutil.SetFloatHistogramCounterReset(tsdbutil.GenerateTestFloatHistogram(5))},
sample{15, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(6))},
sample{16, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(7))},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{17, 0, nil, tsdbutil.SetFloatHistogramCounterReset(tsdbutil.GenerateTestFloatHistogram(5))},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{18, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)},
sample{19, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(7))},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{20, 0, nil, tsdbutil.SetFloatHistogramCounterReset(tsdbutil.GenerateTestFloatHistogram(5))},
sample{21, 0, nil, tsdbutil.SetFloatHistogramNotCounterReset(tsdbutil.GenerateTestFloatHistogram(6))},
}),
},
expectedMinMaxTimes: []minMaxTimes{
{7, 8},
{12, 16},
{17, 17},
{18, 19},
{20, 21},
},
// Skipping chunk test - can't create a single chunk for each
// sample slice since there are counter resets in the middle of
// the slices.
skipChunkTest: true,
},
{
name: "iterables with mixed encodings and counter resets",
samples: [][]chunks.Sample{
{
sample{7, 0, tsdbutil.GenerateTestHistogram(8), nil},
sample{8, 0, tsdbutil.GenerateTestHistogram(9), nil},
sample{9, 0, nil, tsdbutil.GenerateTestFloatHistogram(10)},
sample{10, 0, nil, tsdbutil.GenerateTestFloatHistogram(11)},
sample{11, 0, nil, tsdbutil.GenerateTestFloatHistogram(12)},
sample{12, 13, nil, nil},
sample{13, 14, nil, nil},
sample{14, 0, tsdbutil.GenerateTestHistogram(8), nil},
// Counter reset should be detected when chunks are created from the iterable.
sample{15, 0, tsdbutil.GenerateTestHistogram(7), nil},
},
{
sample{18, 0, tsdbutil.GenerateTestHistogram(6), nil},
sample{19, 45, nil, nil},
},
},
expected: []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestHistogram(8), nil},
sample{8, 0, tsdbutil.GenerateTestHistogram(9), nil},
sample{9, 0, nil, tsdbutil.GenerateTestFloatHistogram(10)},
sample{10, 0, nil, tsdbutil.GenerateTestFloatHistogram(11)},
sample{11, 0, nil, tsdbutil.GenerateTestFloatHistogram(12)},
sample{12, 13, nil, nil},
sample{13, 14, nil, nil},
sample{14, 0, tsdbutil.GenerateTestHistogram(8), nil},
sample{15, 0, tsdbutil.GenerateTestHistogram(7), nil},
sample{18, 0, tsdbutil.GenerateTestHistogram(6), nil},
sample{19, 45, nil, nil},
},
expectedChks: []chunks.Meta{
assureChunkFromSamples(t, []chunks.Sample{
sample{7, 0, tsdbutil.GenerateTestHistogram(8), nil},
sample{8, 0, tsdbutil.GenerateTestHistogram(9), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{9, 0, nil, tsdbutil.GenerateTestFloatHistogram(10)},
sample{10, 0, nil, tsdbutil.GenerateTestFloatHistogram(11)},
sample{11, 0, nil, tsdbutil.GenerateTestFloatHistogram(12)},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{12, 13, nil, nil},
sample{13, 14, nil, nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{14, 0, tsdbutil.GenerateTestHistogram(8), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{15, 0, tsdbutil.SetHistogramCounterReset(tsdbutil.GenerateTestHistogram(7)), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{18, 0, tsdbutil.GenerateTestHistogram(6), nil},
}),
assureChunkFromSamples(t, []chunks.Sample{
sample{19, 45, nil, nil},
}),
},
expectedMinMaxTimes: []minMaxTimes{
{7, 8},
{9, 11},
{12, 13},
{14, 14},
{15, 15},
{18, 18},
{19, 19},
},
skipChunkTest: true,
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
t.Run("sample", func(t *testing.T) {
var f *fakeChunksReader
var chkMetas []chunks.Meta
// If the test case wants to skip the chunks test, it probably
// means you can't create valid chunks from sample slices,
// therefore create iterables over the samples instead.
if tc.skipChunkTest {
f, chkMetas = createFakeReaderAndIterables(tc.samples...)
} else {
f, chkMetas = createFakeReaderAndNotPopulatedChunks(tc.samples...)
}
it := &populateWithDelSeriesIterator{}
it.reset(ulid.ULID{}, f, chkMetas, tc.intervals)
var r []chunks.Sample
if tc.seek != 0 {
require.Equal(t, tc.seekSuccess, it.Seek(tc.seek) == chunkenc.ValFloat)
require.Equal(t, tc.seekSuccess, it.Seek(tc.seek) == chunkenc.ValFloat) // Next one should be noop.
if tc.seekSuccess {
// After successful seek iterator is ready. Grab the value.
t, v := it.At()
r = append(r, sample{t: t, f: v})
}
}
expandedResult, err := storage.ExpandSamples(it, newSample)
require.NoError(t, err)
r = append(r, expandedResult...)
require.Equal(t, tc.expected, r)
})
t.Run("chunk", func(t *testing.T) {
if tc.skipChunkTest {
t.Skip()
}
f, chkMetas := createFakeReaderAndNotPopulatedChunks(tc.samples...)
it := &populateWithDelChunkSeriesIterator{}
it.reset(ulid.ULID{}, f, chkMetas, tc.intervals)
if tc.seek != 0 {
// Chunk iterator does not have Seek method.
return
}
expandedResult, err := storage.ExpandChunks(it)
require.NoError(t, err)
// We don't care about ref IDs for comparison, only chunk's samples matters.
rmChunkRefs(expandedResult)
rmChunkRefs(tc.expectedChks)
require.Equal(t, tc.expectedChks, expandedResult)
for i, meta := range expandedResult {
require.Equal(t, tc.expectedMinMaxTimes[i].minTime, meta.MinTime)
require.Equal(t, tc.expectedMinMaxTimes[i].maxTime, meta.MaxTime)
}
})
t.Run("iterables", func(t *testing.T) {
if tc.skipIterableTest {
t.Skip()
}
f, chkMetas := createFakeReaderAndIterables(tc.samples...)
it := &populateWithDelChunkSeriesIterator{}
it.reset(ulid.ULID{}, f, chkMetas, tc.intervals)
if tc.seek != 0 {
// Chunk iterator does not have Seek method.
return
}
expandedResult, err := storage.ExpandChunks(it)
require.NoError(t, err)
// We don't care about ref IDs for comparison, only chunk's samples matters.
rmChunkRefs(expandedResult)
rmChunkRefs(tc.expectedChks)
require.Equal(t, tc.expectedChks, expandedResult)
for i, meta := range expandedResult {
require.Equal(t, tc.expectedMinMaxTimes[i].minTime, meta.MinTime)
require.Equal(t, tc.expectedMinMaxTimes[i].maxTime, meta.MaxTime)
}
})
})
}
}
func rmChunkRefs(chks []chunks.Meta) {
for i := range chks {
chks[i].Ref = 0
}
}
func checkCurrVal(t *testing.T, valType chunkenc.ValueType, it *populateWithDelSeriesIterator, expectedTs, expectedValue int) {
switch valType {
case chunkenc.ValFloat:
ts, v := it.At()
require.Equal(t, int64(expectedTs), ts)
require.Equal(t, float64(expectedValue), v)
case chunkenc.ValHistogram:
ts, h := it.AtHistogram(nil)
require.Equal(t, int64(expectedTs), ts)
h.CounterResetHint = histogram.UnknownCounterReset
require.Equal(t, tsdbutil.GenerateTestHistogram(int64(expectedValue)), h)
case chunkenc.ValFloatHistogram:
ts, h := it.AtFloatHistogram(nil)
require.Equal(t, int64(expectedTs), ts)
h.CounterResetHint = histogram.UnknownCounterReset
require.Equal(t, tsdbutil.GenerateTestFloatHistogram(int64(expectedValue)), h)
default:
panic("unexpected value type")
}
}
// Regression for: https://github.com/prometheus/tsdb/pull/97
func TestPopulateWithDelSeriesIterator_DoubleSeek(t *testing.T) {
cases := []struct {
name string
valType chunkenc.ValueType
chks [][]chunks.Sample
}{
{
name: "float",
valType: chunkenc.ValFloat,
chks: [][]chunks.Sample{
{},
{sample{1, 1, nil, nil}, sample{2, 2, nil, nil}, sample{3, 3, nil, nil}},
{sample{4, 4, nil, nil}, sample{5, 5, nil, nil}},
},
},
{
name: "histogram",
valType: chunkenc.ValHistogram,
chks: [][]chunks.Sample{
{},
{sample{1, 0, tsdbutil.GenerateTestHistogram(1), nil}, sample{2, 0, tsdbutil.GenerateTestHistogram(2), nil}, sample{3, 0, tsdbutil.GenerateTestHistogram(3), nil}},
{sample{4, 0, tsdbutil.GenerateTestHistogram(4), nil}, sample{5, 0, tsdbutil.GenerateTestHistogram(5), nil}},
},
},
{
name: "float histogram",
valType: chunkenc.ValFloatHistogram,
chks: [][]chunks.Sample{
{},
{sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(1)}, sample{2, 0, nil, tsdbutil.GenerateTestFloatHistogram(2)}, sample{3, 0, nil, tsdbutil.GenerateTestFloatHistogram(3)}},
{sample{4, 0, nil, tsdbutil.GenerateTestFloatHistogram(4)}, sample{5, 0, nil, tsdbutil.GenerateTestFloatHistogram(5)}},
},
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
f, chkMetas := createFakeReaderAndNotPopulatedChunks(tc.chks...)
it := &populateWithDelSeriesIterator{}
it.reset(ulid.ULID{}, f, chkMetas, nil)
require.Equal(t, tc.valType, it.Seek(1))
require.Equal(t, tc.valType, it.Seek(2))
require.Equal(t, tc.valType, it.Seek(2))
checkCurrVal(t, tc.valType, it, 2, 2)
require.Equal(t, int64(0), chkMetas[0].MinTime)
require.Equal(t, int64(1), chkMetas[1].MinTime)
require.Equal(t, int64(4), chkMetas[2].MinTime)
})
}
}
// Regression when seeked chunks were still found via binary search and we always
// skipped to the end when seeking a value in the current chunk.
func TestPopulateWithDelSeriesIterator_SeekInCurrentChunk(t *testing.T) {
cases := []struct {
name string
valType chunkenc.ValueType
chks [][]chunks.Sample
}{
{
name: "float",
valType: chunkenc.ValFloat,
chks: [][]chunks.Sample{
{},
{sample{1, 2, nil, nil}, sample{3, 4, nil, nil}, sample{5, 6, nil, nil}, sample{7, 8, nil, nil}},
{},
},
},
{
name: "histogram",
valType: chunkenc.ValHistogram,
chks: [][]chunks.Sample{
{},
{sample{1, 0, tsdbutil.GenerateTestHistogram(2), nil}, sample{3, 0, tsdbutil.GenerateTestHistogram(4), nil}, sample{5, 0, tsdbutil.GenerateTestHistogram(6), nil}, sample{7, 0, tsdbutil.GenerateTestHistogram(8), nil}},
{},
},
},
{
name: "float histogram",
valType: chunkenc.ValFloatHistogram,
chks: [][]chunks.Sample{
{},
{sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(2)}, sample{3, 0, nil, tsdbutil.GenerateTestFloatHistogram(4)}, sample{5, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)}, sample{7, 0, nil, tsdbutil.GenerateTestFloatHistogram(8)}},
{},
},
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
f, chkMetas := createFakeReaderAndNotPopulatedChunks(tc.chks...)
it := &populateWithDelSeriesIterator{}
it.reset(ulid.ULID{}, f, chkMetas, nil)
require.Equal(t, tc.valType, it.Next())
checkCurrVal(t, tc.valType, it, 1, 2)
require.Equal(t, tc.valType, it.Seek(4))
checkCurrVal(t, tc.valType, it, 5, 6)
require.Equal(t, int64(0), chkMetas[0].MinTime)
require.Equal(t, int64(1), chkMetas[1].MinTime)
require.Equal(t, int64(0), chkMetas[2].MinTime)
})
}
}
func TestPopulateWithDelSeriesIterator_SeekWithMinTime(t *testing.T) {
cases := []struct {
name string
valType chunkenc.ValueType
chks [][]chunks.Sample
}{
{
name: "float",
valType: chunkenc.ValFloat,
chks: [][]chunks.Sample{
{sample{1, 6, nil, nil}, sample{5, 6, nil, nil}, sample{6, 8, nil, nil}},
},
},
{
name: "histogram",
valType: chunkenc.ValHistogram,
chks: [][]chunks.Sample{
{sample{1, 0, tsdbutil.GenerateTestHistogram(6), nil}, sample{5, 0, tsdbutil.GenerateTestHistogram(6), nil}, sample{6, 0, tsdbutil.GenerateTestHistogram(8), nil}},
},
},
{
name: "float histogram",
valType: chunkenc.ValFloatHistogram,
chks: [][]chunks.Sample{
{sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)}, sample{5, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)}, sample{6, 0, nil, tsdbutil.GenerateTestFloatHistogram(8)}},
},
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
f, chkMetas := createFakeReaderAndNotPopulatedChunks(tc.chks...)
it := &populateWithDelSeriesIterator{}
it.reset(ulid.ULID{}, f, chkMetas, nil)
require.Equal(t, chunkenc.ValNone, it.Seek(7))
require.Equal(t, tc.valType, it.Seek(3))
require.Equal(t, int64(1), chkMetas[0].MinTime)
})
}
}
// Regression when calling Next() with a time bounded to fit within two samples.
// Seek gets called and advances beyond the max time, which was just accepted as a valid sample.
func TestPopulateWithDelSeriesIterator_NextWithMinTime(t *testing.T) {
cases := []struct {
name string
valType chunkenc.ValueType
chks [][]chunks.Sample
}{
{
name: "float",
valType: chunkenc.ValFloat,
chks: [][]chunks.Sample{
{sample{1, 6, nil, nil}, sample{5, 6, nil, nil}, sample{7, 8, nil, nil}},
},
},
{
name: "histogram",
valType: chunkenc.ValHistogram,
chks: [][]chunks.Sample{
{sample{1, 0, tsdbutil.GenerateTestHistogram(6), nil}, sample{5, 0, tsdbutil.GenerateTestHistogram(6), nil}, sample{7, 0, tsdbutil.GenerateTestHistogram(8), nil}},
},
},
{
name: "float histogram",
valType: chunkenc.ValFloatHistogram,
chks: [][]chunks.Sample{
{sample{1, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)}, sample{5, 0, nil, tsdbutil.GenerateTestFloatHistogram(6)}, sample{7, 0, nil, tsdbutil.GenerateTestFloatHistogram(8)}},
},
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
f, chkMetas := createFakeReaderAndNotPopulatedChunks(tc.chks...)
it := &populateWithDelSeriesIterator{}
it.reset(ulid.ULID{}, f, chkMetas, tombstones.Intervals{{Mint: math.MinInt64, Maxt: 2}}.Add(tombstones.Interval{Mint: 4, Maxt: math.MaxInt64}))
require.Equal(t, chunkenc.ValNone, it.Next())
require.Equal(t, int64(1), chkMetas[0].MinTime)
})
}
}
// Test the cost of merging series sets for different number of merged sets and their size.
// The subset are all equivalent so this does not capture merging of partial or non-overlapping sets well.
// TODO(bwplotka): Merge with storage merged series set benchmark.
func BenchmarkMergedSeriesSet(b *testing.B) {
sel := func(sets []storage.SeriesSet) storage.SeriesSet {
return storage.NewMergeSeriesSet(sets, 0, storage.ChainedSeriesMerge)
}
for _, k := range []int{
100,
1000,
10000,
20000,
} {
for _, j := range []int{1, 2, 4, 8, 16, 32} {
b.Run(fmt.Sprintf("series=%d,blocks=%d", k, j), func(b *testing.B) {
lbls, err := labels.ReadLabels(filepath.Join("testdata", "20kseries.json"), k)
require.NoError(b, err)
sort.Sort(labels.Slice(lbls))
in := make([][]storage.Series, j)
for _, l := range lbls {
l2 := l
for j := range in {
in[j] = append(in[j], storage.NewListSeries(l2, nil))
}
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
var sets []storage.SeriesSet
for _, s := range in {
sets = append(sets, newMockSeriesSet(s))
}
ms := sel(sets)
i := 0
for ms.Next() {
i++
}
require.NoError(b, ms.Err())
require.Len(b, lbls, i)
}
})
}
}
}
type mockChunkReader map[chunks.ChunkRef]chunkenc.Chunk
func (cr mockChunkReader) ChunkOrIterable(meta chunks.Meta) (chunkenc.Chunk, chunkenc.Iterable, error) {
chk, ok := cr[meta.Ref]
if ok {
return chk, nil, nil
}
return nil, nil, errors.New("Chunk with ref not found")
}
func (mockChunkReader) Close() error {
return nil
}
func TestDeletedIterator(t *testing.T) {
chk := chunkenc.NewXORChunk()
app, err := chk.Appender()
require.NoError(t, err)
// Insert random stuff from (0, 1000).
act := make([]sample, 1000)
for i := range 1000 {
act[i].t = int64(i)
act[i].f = rand.Float64()
app.Append(act[i].t, act[i].f)
}
cases := []struct {
r tombstones.Intervals
}{
{r: tombstones.Intervals{{Mint: 1, Maxt: 20}}},
{r: tombstones.Intervals{{Mint: 1, Maxt: 10}, {Mint: 12, Maxt: 20}, {Mint: 21, Maxt: 23}, {Mint: 25, Maxt: 30}}},
{r: tombstones.Intervals{{Mint: 1, Maxt: 10}, {Mint: 12, Maxt: 20}, {Mint: 20, Maxt: 30}}},
{r: tombstones.Intervals{{Mint: 1, Maxt: 10}, {Mint: 12, Maxt: 23}, {Mint: 25, Maxt: 30}}},
{r: tombstones.Intervals{{Mint: 1, Maxt: 23}, {Mint: 12, Maxt: 20}, {Mint: 25, Maxt: 30}}},
{r: tombstones.Intervals{{Mint: 1, Maxt: 23}, {Mint: 12, Maxt: 20}, {Mint: 25, Maxt: 3000}}},
{r: tombstones.Intervals{{Mint: 0, Maxt: 2000}}},
{r: tombstones.Intervals{{Mint: 500, Maxt: 2000}}},
{r: tombstones.Intervals{{Mint: 0, Maxt: 200}}},
{r: tombstones.Intervals{{Mint: 1000, Maxt: 20000}}},
}
for _, c := range cases {
i := int64(-1)
it := &DeletedIterator{Iter: chk.Iterator(nil), Intervals: c.r[:]}
ranges := c.r[:]
for it.Next() == chunkenc.ValFloat {
i++
for _, tr := range ranges {
if tr.InBounds(i) {
i = tr.Maxt + 1
ranges = ranges[1:]
}
}
require.Less(t, i, int64(1000))
ts, v := it.At()
require.Equal(t, act[i].t, ts)
require.Equal(t, act[i].f, v)
}
// There has been an extra call to Next().
i++
for _, tr := range ranges {
if tr.InBounds(i) {
i = tr.Maxt + 1
ranges = ranges[1:]
}
}
require.GreaterOrEqual(t, i, int64(1000))
require.NoError(t, it.Err())
}
}
func TestDeletedIterator_WithSeek(t *testing.T) {
chk := chunkenc.NewXORChunk()
app, err := chk.Appender()
require.NoError(t, err)
// Insert random stuff from (0, 1000).
act := make([]sample, 1000)
for i := range 1000 {
act[i].t = int64(i)
act[i].f = float64(i)
app.Append(act[i].t, act[i].f)
}
cases := []struct {
r tombstones.Intervals
seek int64
ok bool
seekedTs int64
}{
{r: tombstones.Intervals{{Mint: 1, Maxt: 20}}, seek: 1, ok: true, seekedTs: 21},
{r: tombstones.Intervals{{Mint: 1, Maxt: 20}}, seek: 20, ok: true, seekedTs: 21},
{r: tombstones.Intervals{{Mint: 1, Maxt: 20}}, seek: 10, ok: true, seekedTs: 21},
{r: tombstones.Intervals{{Mint: 1, Maxt: 20}}, seek: 999, ok: true, seekedTs: 999},
{r: tombstones.Intervals{{Mint: 1, Maxt: 20}}, seek: 1000, ok: false},
{r: tombstones.Intervals{{Mint: 1, Maxt: 23}, {Mint: 24, Maxt: 40}, {Mint: 45, Maxt: 3000}}, seek: 1, ok: true, seekedTs: 41},
{r: tombstones.Intervals{{Mint: 5, Maxt: 23}, {Mint: 24, Maxt: 40}, {Mint: 41, Maxt: 3000}}, seek: 5, ok: false},
{r: tombstones.Intervals{{Mint: 0, Maxt: 2000}}, seek: 10, ok: false},
{r: tombstones.Intervals{{Mint: 500, Maxt: 2000}}, seek: 10, ok: true, seekedTs: 10},
{r: tombstones.Intervals{{Mint: 500, Maxt: 2000}}, seek: 501, ok: false},
}
for _, c := range cases {
it := &DeletedIterator{Iter: chk.Iterator(nil), Intervals: c.r[:]}
require.Equal(t, c.ok, it.Seek(c.seek) == chunkenc.ValFloat)
if c.ok {
ts := it.AtT()
require.Equal(t, c.seekedTs, ts)
}
}
}
type series struct {
l labels.Labels
chunks []chunks.Meta
}
type mockIndex struct {
series map[storage.SeriesRef]series
postings map[labels.Label][]storage.SeriesRef
symbols map[string]struct{}
}
func newMockIndex() mockIndex {
ix := mockIndex{
series: make(map[storage.SeriesRef]series),
postings: make(map[labels.Label][]storage.SeriesRef),
symbols: make(map[string]struct{}),
}
return ix
}
func (m mockIndex) Symbols() index.StringIter {
l := []string{}
for s := range m.symbols {
l = append(l, s)
}
sort.Strings(l)
return index.NewStringListIter(l)
}
func (m *mockIndex) AddSeries(ref storage.SeriesRef, l labels.Labels, chunks ...chunks.Meta) error {
if _, ok := m.series[ref]; ok {
return fmt.Errorf("series with reference %d already added", ref)
}
l.Range(func(lbl labels.Label) {
m.symbols[lbl.Name] = struct{}{}
m.symbols[lbl.Value] = struct{}{}
})
s := series{l: l}
// Actual chunk data is not stored in the index.
for _, c := range chunks {
c.Chunk = nil
s.chunks = append(s.chunks, c)
}
m.series[ref] = s
return nil
}
func (m mockIndex) WritePostings(name, value string, it index.Postings) error {
l := labels.Label{Name: name, Value: value}
if _, ok := m.postings[l]; ok {
return fmt.Errorf("postings for %s already added", l)
}
ep, err := index.ExpandPostings(it)
if err != nil {
return err
}
m.postings[l] = ep
return nil
}
func (mockIndex) Close() error {
return nil
}
func (m mockIndex) SortedLabelValues(ctx context.Context, name string, hints *storage.LabelHints, matchers ...*labels.Matcher) ([]string, error) {
values, _ := m.LabelValues(ctx, name, hints, matchers...)
sort.Strings(values)
return values, nil
}
func (m mockIndex) LabelValues(_ context.Context, name string, hints *storage.LabelHints, matchers ...*labels.Matcher) ([]string, error) {
var values []string
if len(matchers) == 0 {
for l := range m.postings {
if l.Name == name {
values = append(values, l.Value)
if hints != nil && hints.Limit > 0 && len(values) >= hints.Limit {
break
}
}
}
return values, nil
}
for _, series := range m.series {
matches := true
for _, matcher := range matchers {
matches = matches && matcher.Matches(series.l.Get(matcher.Name))
if !matches {
break
}
}
if matches && !slices.Contains(values, series.l.Get(name)) {
values = append(values, series.l.Get(name))
}
if hints != nil && hints.Limit > 0 && len(values) >= hints.Limit {
break
}
}
return values, nil
}
func (m mockIndex) LabelValueFor(_ context.Context, id storage.SeriesRef, label string) (string, error) {
return m.series[id].l.Get(label), nil
}
func (m mockIndex) LabelNamesFor(_ context.Context, postings index.Postings) ([]string, error) {
namesMap := make(map[string]bool)
for postings.Next() {
m.series[postings.At()].l.Range(func(lbl labels.Label) {
namesMap[lbl.Name] = true
})
}
if err := postings.Err(); err != nil {
return nil, err
}
names := make([]string, 0, len(namesMap))
for name := range namesMap {
names = append(names, name)
}
return names, nil
}
func (m mockIndex) Postings(ctx context.Context, name string, values ...string) (index.Postings, error) {
res := make([]index.Postings, 0, len(values))
for _, value := range values {
l := labels.Label{Name: name, Value: value}
res = append(res, index.NewListPostings(m.postings[l]))
}
return index.Merge(ctx, res...), nil
}
func (m mockIndex) SortedPostings(p index.Postings) index.Postings {
ep, err := index.ExpandPostings(p)
if err != nil {
return index.ErrPostings(fmt.Errorf("expand postings: %w", err))
}
sort.Slice(ep, func(i, j int) bool {
return labels.Compare(m.series[ep[i]].l, m.series[ep[j]].l) < 0
})
return index.NewListPostings(ep)
}
func (m mockIndex) PostingsForLabelMatching(ctx context.Context, name string, match func(string) bool) index.Postings {
var res []index.Postings
for l, srs := range m.postings {
if l.Name == name && match(l.Value) {
res = append(res, index.NewListPostings(srs))
}
}
return index.Merge(ctx, res...)
}
func (m mockIndex) PostingsForAllLabelValues(ctx context.Context, name string) index.Postings {
var res []index.Postings
for l, srs := range m.postings {
if l.Name == name {
res = append(res, index.NewListPostings(srs))
}
}
return index.Merge(ctx, res...)
}
func (m mockIndex) ShardedPostings(p index.Postings, shardIndex, shardCount uint64) index.Postings {
out := make([]storage.SeriesRef, 0, 128)
for p.Next() {
ref := p.At()
s, ok := m.series[ref]
if !ok {
continue
}
// Check if the series belong to the shard.
if s.l.Hash()%shardCount != shardIndex {
continue
}
out = append(out, ref)
}
return index.NewListPostings(out)
}
func (m mockIndex) Series(ref storage.SeriesRef, builder *labels.ScratchBuilder, chks *[]chunks.Meta) error {
s, ok := m.series[ref]
if !ok {
return storage.ErrNotFound
}
builder.Assign(s.l)
*chks = append((*chks)[:0], s.chunks...)
return nil
}
func (m mockIndex) LabelNames(_ context.Context, matchers ...*labels.Matcher) ([]string, error) {
names := map[string]struct{}{}
if len(matchers) == 0 {
for l := range m.postings {
names[l.Name] = struct{}{}
}
} else {
for _, series := range m.series {
matches := true
for _, matcher := range matchers {
matches = matches && matcher.Matches(series.l.Get(matcher.Name))
if !matches {
break
}
}
if matches {
series.l.Range(func(lbl labels.Label) {
names[lbl.Name] = struct{}{}
})
}
}
}
l := make([]string, 0, len(names))
for name := range names {
l = append(l, name)
}
sort.Strings(l)
return l, nil
}
func BenchmarkQueryIterator(b *testing.B) {
cases := []struct {
numBlocks int
numSeries int
numSamplesPerSeriesPerBlock int
overlapPercentages []int // >=0, <=100, this is w.r.t. the previous block.
}{
{
numBlocks: 20,
numSeries: 1000,
numSamplesPerSeriesPerBlock: 20000,
overlapPercentages: []int{0, 10, 30},
},
}
for _, c := range cases {
for _, overlapPercentage := range c.overlapPercentages {
benchMsg := fmt.Sprintf("nBlocks=%d,nSeries=%d,numSamplesPerSeriesPerBlock=%d,overlap=%d%%",
c.numBlocks, c.numSeries, c.numSamplesPerSeriesPerBlock, overlapPercentage)
b.Run(benchMsg, func(b *testing.B) {
dir := b.TempDir()
var (
blocks []*Block
overlapDelta = int64(overlapPercentage * c.numSamplesPerSeriesPerBlock / 100)
prefilledLabels []map[string]string
generatedSeries []storage.Series
)
for i := int64(0); i < int64(c.numBlocks); i++ {
offset := i * overlapDelta
mint := i*int64(c.numSamplesPerSeriesPerBlock) - offset
maxt := mint + int64(c.numSamplesPerSeriesPerBlock) - 1
if len(prefilledLabels) == 0 {
generatedSeries = genSeries(c.numSeries, 10, mint, maxt)
for _, s := range generatedSeries {
prefilledLabels = append(prefilledLabels, s.Labels().Map())
}
} else {
generatedSeries = populateSeries(prefilledLabels, mint, maxt)
}
block, err := OpenBlock(nil, createBlock(b, dir, generatedSeries), nil, nil)
require.NoError(b, err)
blocks = append(blocks, block)
defer block.Close()
}
qblocks := make([]storage.Querier, 0, len(blocks))
for _, blk := range blocks {
q, err := NewBlockQuerier(blk, math.MinInt64, math.MaxInt64)
require.NoError(b, err)
qblocks = append(qblocks, q)
}
sq := storage.NewMergeQuerier(qblocks, nil, storage.ChainedSeriesMerge)
defer sq.Close()
benchQuery(b, c.numSeries, sq, labels.Selector{labels.MustNewMatcher(labels.MatchRegexp, "__name__", ".*")})
})
}
}
}
func BenchmarkQuerySeek(b *testing.B) {
cases := []struct {
numBlocks int
numSeries int
numSamplesPerSeriesPerBlock int
overlapPercentages []int // >=0, <=100, this is w.r.t. the previous block.
}{
{
numBlocks: 20,
numSeries: 100,
numSamplesPerSeriesPerBlock: 2000,
overlapPercentages: []int{0, 10, 30, 50},
},
}
for _, c := range cases {
for _, overlapPercentage := range c.overlapPercentages {
benchMsg := fmt.Sprintf("nBlocks=%d,nSeries=%d,numSamplesPerSeriesPerBlock=%d,overlap=%d%%",
c.numBlocks, c.numSeries, c.numSamplesPerSeriesPerBlock, overlapPercentage)
b.Run(benchMsg, func(b *testing.B) {
dir := b.TempDir()
var (
blocks []*Block
overlapDelta = int64(overlapPercentage * c.numSamplesPerSeriesPerBlock / 100)
prefilledLabels []map[string]string
generatedSeries []storage.Series
)
for i := int64(0); i < int64(c.numBlocks); i++ {
offset := i * overlapDelta
mint := i*int64(c.numSamplesPerSeriesPerBlock) - offset
maxt := mint + int64(c.numSamplesPerSeriesPerBlock) - 1
if len(prefilledLabels) == 0 {
generatedSeries = genSeries(c.numSeries, 10, mint, maxt)
for _, s := range generatedSeries {
prefilledLabels = append(prefilledLabels, s.Labels().Map())
}
} else {
generatedSeries = populateSeries(prefilledLabels, mint, maxt)
}
block, err := OpenBlock(nil, createBlock(b, dir, generatedSeries), nil, nil)
require.NoError(b, err)
blocks = append(blocks, block)
defer block.Close()
}
qblocks := make([]storage.Querier, 0, len(blocks))
for _, blk := range blocks {
q, err := NewBlockQuerier(blk, math.MinInt64, math.MaxInt64)
require.NoError(b, err)
qblocks = append(qblocks, q)
}
sq := storage.NewMergeQuerier(qblocks, nil, storage.ChainedSeriesMerge)
defer sq.Close()
mint := blocks[0].meta.MinTime
maxt := blocks[len(blocks)-1].meta.MaxTime
b.ResetTimer()
b.ReportAllocs()
var it chunkenc.Iterator
ss := sq.Select(context.Background(), false, nil, labels.MustNewMatcher(labels.MatchRegexp, "__name__", ".*"))
for ss.Next() {
it = ss.At().Iterator(it)
for t := mint; t <= maxt; t++ {
it.Seek(t)
}
require.NoError(b, it.Err())
}
require.NoError(b, ss.Err())
require.Empty(b, ss.Warnings())
})
}
}
}
// Refer to https://github.com/prometheus/prometheus/issues/2651.
func BenchmarkSetMatcher(b *testing.B) {
cases := []struct {
numBlocks int
numSeries int
numSamplesPerSeriesPerBlock int
cardinality int
pattern string
}{
// The first three cases are to find out whether the set
// matcher is always faster than regex matcher.
{
numBlocks: 1,
numSeries: 1,
numSamplesPerSeriesPerBlock: 10,
cardinality: 100,
pattern: "1|2|3|4|5|6|7|8|9|10",
},
{
numBlocks: 1,
numSeries: 15,
numSamplesPerSeriesPerBlock: 10,
cardinality: 100,
pattern: "1|2|3|4|5|6|7|8|9|10",
},
{
numBlocks: 1,
numSeries: 15,
numSamplesPerSeriesPerBlock: 10,
cardinality: 100,
pattern: "1|2|3",
},
// Big data sizes benchmarks.
{
numBlocks: 20,
numSeries: 1000,
numSamplesPerSeriesPerBlock: 10,
cardinality: 100,
pattern: "1|2|3",
},
{
numBlocks: 20,
numSeries: 1000,
numSamplesPerSeriesPerBlock: 10,
cardinality: 100,
pattern: "1|2|3|4|5|6|7|8|9|10",
},
// Increase cardinality.
{
numBlocks: 1,
numSeries: 100000,
numSamplesPerSeriesPerBlock: 10,
cardinality: 100000,
pattern: "1|2|3|4|5|6|7|8|9|10",
},
{
numBlocks: 1,
numSeries: 500000,
numSamplesPerSeriesPerBlock: 10,
cardinality: 500000,
pattern: "1|2|3|4|5|6|7|8|9|10",
},
{
numBlocks: 10,
numSeries: 500000,
numSamplesPerSeriesPerBlock: 10,
cardinality: 500000,
pattern: "1|2|3|4|5|6|7|8|9|10",
},
{
numBlocks: 1,
numSeries: 1000000,
numSamplesPerSeriesPerBlock: 10,
cardinality: 1000000,
pattern: "1|2|3|4|5|6|7|8|9|10",
},
}
for _, c := range cases {
benchMsg := fmt.Sprintf("nSeries=%d,nBlocks=%d,cardinality=%d,pattern=\"%s\"", c.numSeries, c.numBlocks, c.cardinality, c.pattern)
b.Run(benchMsg, func(b *testing.B) {
dir := b.TempDir()
var (
blocks []*Block
prefilledLabels []map[string]string
generatedSeries []storage.Series
)
for i := int64(0); i < int64(c.numBlocks); i++ {
mint := i * int64(c.numSamplesPerSeriesPerBlock)
maxt := mint + int64(c.numSamplesPerSeriesPerBlock) - 1
if len(prefilledLabels) == 0 {
generatedSeries = genSeries(c.numSeries, 10, mint, maxt)
for _, s := range generatedSeries {
prefilledLabels = append(prefilledLabels, s.Labels().Map())
}
} else {
generatedSeries = populateSeries(prefilledLabels, mint, maxt)
}
block, err := OpenBlock(nil, createBlock(b, dir, generatedSeries), nil, nil)
require.NoError(b, err)
blocks = append(blocks, block)
defer block.Close()
}
qblocks := make([]storage.Querier, 0, len(blocks))
for _, blk := range blocks {
q, err := NewBlockQuerier(blk, math.MinInt64, math.MaxInt64)
require.NoError(b, err)
qblocks = append(qblocks, q)
}
sq := storage.NewMergeQuerier(qblocks, nil, storage.ChainedSeriesMerge)
defer sq.Close()
b.ResetTimer()
b.ReportAllocs()
for n := 0; n < b.N; n++ {
ss := sq.Select(context.Background(), false, nil, labels.MustNewMatcher(labels.MatchRegexp, "test", c.pattern))
for ss.Next() {
}
require.NoError(b, ss.Err())
require.Empty(b, ss.Warnings())
}
})
}
}
func TestPostingsForMatchers(t *testing.T) {
ctx := context.Background()
chunkDir := t.TempDir()
opts := DefaultHeadOptions()
opts.ChunkRange = 1000
opts.ChunkDirRoot = chunkDir
h, err := NewHead(nil, nil, nil, nil, opts, nil)
require.NoError(t, err)
defer func() {
require.NoError(t, h.Close())
}()
app := h.Appender(context.Background())
app.Append(0, labels.FromStrings("n", "1"), 0, 0)
app.Append(0, labels.FromStrings("n", "1", "i", "a"), 0, 0)
app.Append(0, labels.FromStrings("n", "1", "i", "b"), 0, 0)
app.Append(0, labels.FromStrings("n", "1", "i", "\n"), 0, 0)
app.Append(0, labels.FromStrings("n", "2"), 0, 0)
app.Append(0, labels.FromStrings("n", "2.5"), 0, 0)
require.NoError(t, app.Commit())
cases := []struct {
matchers []*labels.Matcher
exp []labels.Labels
}{
// Simple equals.
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchEqual, "i", "a")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchEqual, "i", "missing")},
exp: []labels.Labels{},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "missing", "")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
// Not equals.
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotEqual, "n", "1")},
exp: []labels.Labels{
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotEqual, "i", "")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotEqual, "missing", "")},
exp: []labels.Labels{},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotEqual, "i", "a")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotEqual, "i", "")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
// Regex.
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "n", "^1$")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchRegexp, "i", "^a$")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchRegexp, "i", "^a?$")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "a"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "i", "^$")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchRegexp, "i", "^$")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchRegexp, "i", "^.*$")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchRegexp, "i", "^.+$")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
// Not regex.
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotRegexp, "i", "")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotRegexp, "n", "^1$")},
exp: []labels.Labels{
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotRegexp, "n", "1")},
exp: []labels.Labels{
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotRegexp, "n", "1|2.5")},
exp: []labels.Labels{
labels.FromStrings("n", "2"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotRegexp, "n", "(1|2.5)")},
exp: []labels.Labels{
labels.FromStrings("n", "2"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", "^a$")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", "^a?$")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", "^$")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", "^.*$")},
exp: []labels.Labels{},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", "^.+$")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
},
},
// Combinations.
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotEqual, "i", ""), labels.MustNewMatcher(labels.MatchEqual, "i", "a")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotEqual, "i", "b"), labels.MustNewMatcher(labels.MatchRegexp, "i", "^(b|a).*$")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
},
},
// Set optimization for Regex.
// Refer to https://github.com/prometheus/prometheus/issues/2651.
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "n", "1|2")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
labels.FromStrings("n", "2"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "i", "a|b")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "i", "(a|b)")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "n", "x1|2")},
exp: []labels.Labels{
labels.FromStrings("n", "2"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "n", "2|2\\.5")},
exp: []labels.Labels{
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
// Empty value.
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "i", "c||d")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "i", "(c||d)")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
// Test shortcut for i=~".*"
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "i", ".*")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
// Test shortcut for n=~".*" and i=~"^.*$"
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "n", ".*"), labels.MustNewMatcher(labels.MatchRegexp, "i", "^.*$")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "1", "i", "a"),
labels.FromStrings("n", "1", "i", "b"),
labels.FromStrings("n", "1", "i", "\n"),
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
// Test shortcut for n=~"^.*$"
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "n", "^.*$"), labels.MustNewMatcher(labels.MatchEqual, "i", "a")},
exp: []labels.Labels{
labels.FromStrings("n", "1", "i", "a"),
},
},
// Test shortcut for i!~".*"
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotRegexp, "i", ".*")},
exp: []labels.Labels{},
},
// Test shortcut for n!~"^.*$", i!~".*". First one triggers empty result.
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotRegexp, "n", "^.*$"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", ".*")},
exp: []labels.Labels{},
},
// Test shortcut i!~".*"
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "n", ".*"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", ".*")},
exp: []labels.Labels{},
},
// Test shortcut i!~"^.*$"
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", "^.*$")},
exp: []labels.Labels{},
},
// Test shortcut i!~".+"
{
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchRegexp, "n", ".*"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", ".+")},
exp: []labels.Labels{
labels.FromStrings("n", "1"),
labels.FromStrings("n", "2"),
labels.FromStrings("n", "2.5"),
},
},
}
ir, err := h.Index()
require.NoError(t, err)
for _, c := range cases {
name := ""
for i, matcher := range c.matchers {
if i > 0 {
name += ","
}
name += matcher.String()
}
t.Run(name, func(t *testing.T) {
exp := map[string]struct{}{}
for _, l := range c.exp {
exp[l.String()] = struct{}{}
}
p, err := PostingsForMatchers(ctx, ir, c.matchers...)
require.NoError(t, err)
var builder labels.ScratchBuilder
for p.Next() {
require.NoError(t, ir.Series(p.At(), &builder, &[]chunks.Meta{}))
lbls := builder.Labels()
if _, ok := exp[lbls.String()]; !ok {
t.Errorf("Evaluating %v, unexpected result %s", c.matchers, lbls.String())
} else {
delete(exp, lbls.String())
}
}
require.NoError(t, p.Err())
require.Empty(t, exp, "Evaluating %v", c.matchers)
})
}
}
// TestQuerierIndexQueriesRace tests the index queries with racing appends.
func TestQuerierIndexQueriesRace(t *testing.T) {
const testRepeats = 1000
testCases := []struct {
matchers []*labels.Matcher
}{
{
matchers: []*labels.Matcher{
// This matcher should involve the AllPostings posting list in calculating the posting lists.
labels.MustNewMatcher(labels.MatchNotEqual, labels.MetricName, "metric"),
},
},
{
matchers: []*labels.Matcher{
// The first matcher should be effectively the same as AllPostings, because all series have always_0=0
// If it is evaluated first, then __name__=metric will contain more series than always_0=0.
labels.MustNewMatcher(labels.MatchNotEqual, "always_0", "0"),
labels.MustNewMatcher(labels.MatchEqual, labels.MetricName, "metric"),
},
},
}
for _, c := range testCases {
t.Run(fmt.Sprintf("%v", c.matchers), func(t *testing.T) {
t.Parallel()
db := openTestDB(t, DefaultOptions(), nil)
h := db.Head()
t.Cleanup(func() {
require.NoError(t, db.Close())
})
ctx, cancel := context.WithCancel(context.Background())
wg := &sync.WaitGroup{}
wg.Add(1)
go appendSeries(t, ctx, wg, h)
t.Cleanup(wg.Wait)
t.Cleanup(cancel)
for range testRepeats {
q, err := db.Querier(math.MinInt64, math.MaxInt64)
require.NoError(t, err)
values, _, err := q.LabelValues(ctx, "seq", nil, c.matchers...)
require.NoError(t, err)
require.Emptyf(t, values, `label values for label "seq" should be empty`)
// Sleep to give the appends some change to run.
time.Sleep(time.Millisecond)
}
})
}
}
func appendSeries(t *testing.T, ctx context.Context, wg *sync.WaitGroup, h *Head) {
defer wg.Done()
for i := 0; ctx.Err() == nil; i++ {
app := h.Appender(context.Background())
_, err := app.Append(0, labels.FromStrings(labels.MetricName, "metric", "seq", strconv.Itoa(i), "always_0", "0"), 0, 0)
require.NoError(t, err)
err = app.Commit()
require.NoError(t, err)
// Throttle down the appends to keep the test somewhat nimble.
// Otherwise, we end up appending thousands or millions of samples.
time.Sleep(time.Millisecond)
}
}
// TestClose ensures that calling Close more than once doesn't block and doesn't panic.
func TestClose(t *testing.T) {
dir := t.TempDir()
createBlock(t, dir, genSeries(1, 1, 0, 10))
createBlock(t, dir, genSeries(1, 1, 10, 20))
db, err := Open(dir, nil, nil, DefaultOptions(), nil)
require.NoError(t, err, "Opening test storage failed: %s")
defer func() {
require.NoError(t, db.Close())
}()
q, err := db.Querier(0, 20)
require.NoError(t, err)
require.NoError(t, q.Close())
require.Error(t, q.Close())
}
func BenchmarkQueries(b *testing.B) {
cases := map[string]labels.Selector{
"Eq Matcher: Expansion - 1": {
labels.MustNewMatcher(labels.MatchEqual, "la", "va"),
},
"Eq Matcher: Expansion - 2": {
labels.MustNewMatcher(labels.MatchEqual, "la", "va"),
labels.MustNewMatcher(labels.MatchEqual, "lb", "vb"),
},
"Eq Matcher: Expansion - 3": {
labels.MustNewMatcher(labels.MatchEqual, "la", "va"),
labels.MustNewMatcher(labels.MatchEqual, "lb", "vb"),
labels.MustNewMatcher(labels.MatchEqual, "lc", "vc"),
},
"Regex Matcher: Expansion - 1": {
labels.MustNewMatcher(labels.MatchRegexp, "la", ".*va"),
},
"Regex Matcher: Expansion - 2": {
labels.MustNewMatcher(labels.MatchRegexp, "la", ".*va"),
labels.MustNewMatcher(labels.MatchRegexp, "lb", ".*vb"),
},
"Regex Matcher: Expansion - 3": {
labels.MustNewMatcher(labels.MatchRegexp, "la", ".*va"),
labels.MustNewMatcher(labels.MatchRegexp, "lb", ".*vb"),
labels.MustNewMatcher(labels.MatchRegexp, "lc", ".*vc"),
},
}
type qt struct {
typ string
querier storage.Querier
}
var queryTypes []qt // We use a slice instead of map to keep the order of test cases consistent.
defer func() {
for _, q := range queryTypes {
// Can't run a check for error here as some of these will fail as
// queryTypes is using the same slice for the different block queriers
// and would have been closed in the previous iteration.
q.querier.Close()
}
}()
for title, selectors := range cases {
for _, nSeries := range []int{10} {
for _, nSamples := range []int64{1000, 10000, 100000} {
dir := b.TempDir()
series := genSeries(nSeries, 5, 1, nSamples)
// Add some common labels to make the matchers select these series.
{
var commonLbls []labels.Label
for _, selector := range selectors {
switch selector.Type {
case labels.MatchEqual:
commonLbls = append(commonLbls, labels.Label{Name: selector.Name, Value: selector.Value})
case labels.MatchRegexp:
commonLbls = append(commonLbls, labels.Label{Name: selector.Name, Value: selector.Value})
}
}
for i := range commonLbls {
s := series[i].(*storage.SeriesEntry)
allLabels := commonLbls
s.Labels().Range(func(l labels.Label) {
allLabels = append(allLabels, l)
})
newS := storage.NewListSeries(labels.New(allLabels...), nil)
newS.SampleIteratorFn = s.SampleIteratorFn
series[i] = newS
}
}
qs := make([]storage.Querier, 0, 10)
for x := 0; x <= 10; x++ {
block, err := OpenBlock(nil, createBlock(b, dir, series), nil, nil)
require.NoError(b, err)
q, err := NewBlockQuerier(block, 1, nSamples)
require.NoError(b, err)
qs = append(qs, q)
}
queryTypes = append(queryTypes, qt{"_1-Block", storage.NewMergeQuerier(qs[:1], nil, storage.ChainedSeriesMerge)})
queryTypes = append(queryTypes, qt{"_3-Blocks", storage.NewMergeQuerier(qs[0:3], nil, storage.ChainedSeriesMerge)})
queryTypes = append(queryTypes, qt{"_10-Blocks", storage.NewMergeQuerier(qs, nil, storage.ChainedSeriesMerge)})
chunkDir := b.TempDir()
head := createHead(b, nil, series, chunkDir)
qHead, err := NewBlockQuerier(NewRangeHead(head, 1, nSamples), 1, nSamples)
require.NoError(b, err)
queryTypes = append(queryTypes, qt{"_Head", qHead})
for _, oooPercentage := range []int{1, 3, 5, 10} {
chunkDir := b.TempDir()
totalOOOSamples := oooPercentage * int(nSamples) / 100
oooSampleFrequency := int(nSamples) / totalOOOSamples
head := createHeadWithOOOSamples(b, nil, series, chunkDir, oooSampleFrequency)
qHead, err := NewBlockQuerier(NewRangeHead(head, 1, nSamples), 1, nSamples)
require.NoError(b, err)
isoState := head.oooIso.TrackReadAfter(0)
qOOOHead := NewHeadAndOOOQuerier(1, 1, nSamples, head, isoState, qHead)
queryTypes = append(queryTypes, qt{
fmt.Sprintf("_Head_oooPercent:%d", oooPercentage), qOOOHead,
})
}
for _, q := range queryTypes {
b.Run(title+q.typ+"_nSeries:"+strconv.Itoa(nSeries)+"_nSamples:"+strconv.Itoa(int(nSamples)), func(b *testing.B) {
expExpansions, err := strconv.Atoi(string(title[len(title)-1]))
require.NoError(b, err)
benchQuery(b, expExpansions, q.querier, selectors)
})
}
require.NoError(b, head.Close())
}
}
}
}
func benchQuery(b *testing.B, expExpansions int, q storage.Querier, selectors labels.Selector) {
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
ss := q.Select(context.Background(), false, nil, selectors...)
var actualExpansions int
var it chunkenc.Iterator
for ss.Next() {
s := ss.At()
s.Labels()
it = s.Iterator(it)
for it.Next() != chunkenc.ValNone {
_, _ = it.At()
}
actualExpansions++
}
require.NoError(b, ss.Err())
require.Empty(b, ss.Warnings())
require.Equal(b, expExpansions, actualExpansions)
require.NoError(b, ss.Err())
}
}
// mockMatcherIndex is used to check if the regex matcher works as expected.
type mockMatcherIndex struct{}
func (mockMatcherIndex) Symbols() index.StringIter { return nil }
func (mockMatcherIndex) Close() error { return nil }
// SortedLabelValues will return error if it is called.
func (mockMatcherIndex) SortedLabelValues(context.Context, string, *storage.LabelHints, ...*labels.Matcher) ([]string, error) {
return []string{}, errors.New("sorted label values called")
}
// LabelValues will return error if it is called.
func (mockMatcherIndex) LabelValues(context.Context, string, *storage.LabelHints, ...*labels.Matcher) ([]string, error) {
return []string{}, errors.New("label values called")
}
func (mockMatcherIndex) LabelValueFor(context.Context, storage.SeriesRef, string) (string, error) {
return "", errors.New("label value for called")
}
func (mockMatcherIndex) LabelNamesFor(context.Context, index.Postings) ([]string, error) {
return nil, errors.New("label names for called")
}
func (mockMatcherIndex) Postings(context.Context, string, ...string) (index.Postings, error) {
return index.EmptyPostings(), nil
}
func (mockMatcherIndex) SortedPostings(index.Postings) index.Postings {
return index.EmptyPostings()
}
func (mockMatcherIndex) ShardedPostings(ps index.Postings, _, _ uint64) index.Postings {
return ps
}
func (mockMatcherIndex) Series(storage.SeriesRef, *labels.ScratchBuilder, *[]chunks.Meta) error {
return nil
}
func (mockMatcherIndex) LabelNames(context.Context, ...*labels.Matcher) ([]string, error) {
return []string{}, nil
}
func (mockMatcherIndex) PostingsForLabelMatching(context.Context, string, func(string) bool) index.Postings {
return index.ErrPostings(errors.New("PostingsForLabelMatching called"))
}
func (mockMatcherIndex) PostingsForAllLabelValues(context.Context, string) index.Postings {
return index.ErrPostings(errors.New("PostingsForAllLabelValues called"))
}
func TestPostingsForMatcher(t *testing.T) {
ctx := context.Background()
cases := []struct {
matcher *labels.Matcher
hasError bool
}{
{
// Equal label matcher will just return.
matcher: labels.MustNewMatcher(labels.MatchEqual, "test", "test"),
hasError: false,
},
{
// Regex matcher which doesn't have '|' will call Labelvalues()
matcher: labels.MustNewMatcher(labels.MatchRegexp, "test", ".*"),
hasError: true,
},
{
matcher: labels.MustNewMatcher(labels.MatchRegexp, "test", "a|b"),
hasError: false,
},
{
// Test case for double quoted regex matcher
matcher: labels.MustNewMatcher(labels.MatchRegexp, "test", "^(?:a|b)$"),
hasError: false,
},
}
for _, tc := range cases {
t.Run(tc.matcher.String(), func(t *testing.T) {
ir := &mockMatcherIndex{}
_, err := postingsForMatcher(ctx, ir, tc.matcher)
if tc.hasError {
require.Error(t, err)
} else {
require.NoError(t, err)
}
})
}
}
func TestBlockBaseSeriesSet(t *testing.T) {
type refdSeries struct {
lset labels.Labels
chunks []chunks.Meta
ref storage.SeriesRef
}
cases := []struct {
series []refdSeries
// Postings should be in the sorted order of the series
postings []storage.SeriesRef
expIdxs []int
}{
{
series: []refdSeries{
{
lset: labels.FromStrings("a", "a"),
chunks: []chunks.Meta{
{Ref: 29},
{Ref: 45},
{Ref: 245},
{Ref: 123},
{Ref: 4232},
{Ref: 5344},
{Ref: 121},
},
ref: 12,
},
{
lset: labels.FromStrings("a", "a", "b", "b"),
chunks: []chunks.Meta{
{Ref: 82}, {Ref: 23}, {Ref: 234}, {Ref: 65}, {Ref: 26},
},
ref: 10,
},
{
lset: labels.FromStrings("b", "c"),
chunks: []chunks.Meta{{Ref: 8282}},
ref: 1,
},
{
lset: labels.FromStrings("b", "b"),
chunks: []chunks.Meta{
{Ref: 829}, {Ref: 239}, {Ref: 2349}, {Ref: 659}, {Ref: 269},
},
ref: 108,
},
},
postings: []storage.SeriesRef{12, 13, 10, 108}, // 13 doesn't exist and should just be skipped over.
expIdxs: []int{0, 1, 3},
},
{
series: []refdSeries{
{
lset: labels.FromStrings("a", "a", "b", "b"),
chunks: []chunks.Meta{
{Ref: 82}, {Ref: 23}, {Ref: 234}, {Ref: 65}, {Ref: 26},
},
ref: 10,
},
{
lset: labels.FromStrings("b", "c"),
chunks: []chunks.Meta{{Ref: 8282}},
ref: 3,
},
},
postings: []storage.SeriesRef{},
expIdxs: []int{},
},
}
for _, tc := range cases {
mi := newMockIndex()
for _, s := range tc.series {
require.NoError(t, mi.AddSeries(s.ref, s.lset, s.chunks...))
}
bcs := &blockBaseSeriesSet{
p: index.NewListPostings(tc.postings),
index: mi,
tombstones: tombstones.NewMemTombstones(),
}
i := 0
for bcs.Next() {
si := populateWithDelGenericSeriesIterator{}
si.reset(bcs.blockID, bcs.chunks, bcs.curr.chks, bcs.curr.intervals)
idx := tc.expIdxs[i]
require.Equal(t, tc.series[idx].lset, bcs.curr.labels)
require.Equal(t, tc.series[idx].chunks, si.metas)
i++
}
require.Len(t, tc.expIdxs, i)
require.NoError(t, bcs.Err())
}
}
func BenchmarkHeadChunkQuerier(b *testing.B) {
db := openTestDB(b, nil, nil)
defer func() {
require.NoError(b, db.Close())
}()
// 3h of data.
numTimeseries := 100
app := db.Appender(context.Background())
for i := range 120 * 6 {
for j := range numTimeseries {
lbls := labels.FromStrings("foo", fmt.Sprintf("bar%d", j))
if i%10 == 0 {
require.NoError(b, app.Commit())
app = db.Appender(context.Background())
}
_, err := app.Append(0, lbls, int64(i*15)*time.Second.Milliseconds(), float64(i*100))
require.NoError(b, err)
}
}
require.NoError(b, app.Commit())
querier, err := db.ChunkQuerier(math.MinInt64, math.MaxInt64)
require.NoError(b, err)
defer func(q storage.ChunkQuerier) {
require.NoError(b, q.Close())
}(querier)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
ss := querier.Select(context.Background(), false, nil, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
total := 0
for ss.Next() {
cs := ss.At()
it := cs.Iterator(nil)
for it.Next() {
m := it.At()
total += m.Chunk.NumSamples()
}
}
_ = total
require.NoError(b, ss.Err())
}
}
func BenchmarkHeadQuerier(b *testing.B) {
db := openTestDB(b, nil, nil)
defer func() {
require.NoError(b, db.Close())
}()
// 3h of data.
numTimeseries := 100
app := db.Appender(context.Background())
for i := range 120 * 6 {
for j := range numTimeseries {
lbls := labels.FromStrings("foo", fmt.Sprintf("bar%d", j))
if i%10 == 0 {
require.NoError(b, app.Commit())
app = db.Appender(context.Background())
}
_, err := app.Append(0, lbls, int64(i*15)*time.Second.Milliseconds(), float64(i*100))
require.NoError(b, err)
}
}
require.NoError(b, app.Commit())
querier, err := db.Querier(math.MinInt64, math.MaxInt64)
require.NoError(b, err)
defer func(q storage.Querier) {
require.NoError(b, q.Close())
}(querier)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
ss := querier.Select(context.Background(), false, nil, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
total := int64(0)
for ss.Next() {
cs := ss.At()
it := cs.Iterator(nil)
for it.Next() != chunkenc.ValNone {
ts, _ := it.At()
total += ts
}
}
_ = total
require.NoError(b, ss.Err())
}
}
// This is a regression test for the case where gauge histograms were not handled by
// populateWithDelChunkSeriesIterator correctly.
func TestQueryWithDeletedHistograms(t *testing.T) {
ctx := context.Background()
testcases := map[string]func(int) (*histogram.Histogram, *histogram.FloatHistogram){
"intCounter": func(i int) (*histogram.Histogram, *histogram.FloatHistogram) {
return tsdbutil.GenerateTestHistogram(int64(i)), nil
},
"intgauge": func(int) (*histogram.Histogram, *histogram.FloatHistogram) {
return tsdbutil.GenerateTestGaugeHistogram(rand.Int63() % 1000), nil
},
"floatCounter": func(i int) (*histogram.Histogram, *histogram.FloatHistogram) {
return nil, tsdbutil.GenerateTestFloatHistogram(int64(i))
},
"floatGauge": func(int) (*histogram.Histogram, *histogram.FloatHistogram) {
return nil, tsdbutil.GenerateTestGaugeFloatHistogram(rand.Int63() % 1000)
},
}
for name, tc := range testcases {
t.Run(name, func(t *testing.T) {
db := openTestDB(t, nil, nil)
defer func() {
require.NoError(t, db.Close())
}()
db.EnableNativeHistograms()
appender := db.Appender(context.Background())
var (
err error
seriesRef storage.SeriesRef
)
lbs := labels.FromStrings("__name__", "test", "type", name)
for i := range 100 {
h, fh := tc(i)
seriesRef, err = appender.AppendHistogram(seriesRef, lbs, int64(i), h, fh)
require.NoError(t, err)
}
err = appender.Commit()
require.NoError(t, err)
matcher, err := labels.NewMatcher(labels.MatchEqual, "__name__", "test")
require.NoError(t, err)
// Delete the last 20.
err = db.Delete(ctx, 80, 100, matcher)
require.NoError(t, err)
chunkQuerier, err := db.ChunkQuerier(0, 100)
require.NoError(t, err)
css := chunkQuerier.Select(context.Background(), false, nil, matcher)
seriesCount := 0
for css.Next() {
seriesCount++
series := css.At()
sampleCount := 0
it := series.Iterator(nil)
for it.Next() {
chk := it.At()
for cit := chk.Chunk.Iterator(nil); cit.Next() != chunkenc.ValNone; {
sampleCount++
}
}
require.NoError(t, it.Err())
require.Equal(t, 80, sampleCount)
}
require.NoError(t, css.Err())
require.Equal(t, 1, seriesCount)
})
}
}
func TestQueryWithOneChunkCompletelyDeleted(t *testing.T) {
ctx := context.Background()
db := openTestDB(t, nil, nil)
defer func() {
require.NoError(t, db.Close())
}()
db.EnableNativeHistograms()
appender := db.Appender(context.Background())
var (
err error
seriesRef storage.SeriesRef
)
lbs := labels.FromStrings("__name__", "test")
// Create an int histogram chunk with samples between 0 - 20 and 30 - 40.
for i := range 20 {
h := tsdbutil.GenerateTestHistogram(1)
seriesRef, err = appender.AppendHistogram(seriesRef, lbs, int64(i), h, nil)
require.NoError(t, err)
}
for i := 30; i < 40; i++ {
h := tsdbutil.GenerateTestHistogram(1)
seriesRef, err = appender.AppendHistogram(seriesRef, lbs, int64(i), h, nil)
require.NoError(t, err)
}
// Append some float histograms - float histograms are a different encoding
// type from int histograms so a new chunk is created.
for i := 60; i < 100; i++ {
fh := tsdbutil.GenerateTestFloatHistogram(1)
seriesRef, err = appender.AppendHistogram(seriesRef, lbs, int64(i), nil, fh)
require.NoError(t, err)
}
err = appender.Commit()
require.NoError(t, err)
matcher, err := labels.NewMatcher(labels.MatchEqual, "__name__", "test")
require.NoError(t, err)
// Delete all samples from the int histogram chunk. The deletion intervals
// doesn't cover the entire histogram chunk, but does cover all the samples
// in the chunk. This case was previously not handled properly.
err = db.Delete(ctx, 0, 20, matcher)
require.NoError(t, err)
err = db.Delete(ctx, 30, 40, matcher)
require.NoError(t, err)
chunkQuerier, err := db.ChunkQuerier(0, 100)
require.NoError(t, err)
css := chunkQuerier.Select(context.Background(), false, nil, matcher)
seriesCount := 0
for css.Next() {
seriesCount++
series := css.At()
sampleCount := 0
it := series.Iterator(nil)
for it.Next() {
chk := it.At()
cit := chk.Chunk.Iterator(nil)
for vt := cit.Next(); vt != chunkenc.ValNone; vt = cit.Next() {
require.Equal(t, chunkenc.ValFloatHistogram, vt, "Only float histograms expected, other sample types should have been deleted.")
sampleCount++
}
}
require.NoError(t, it.Err())
require.Equal(t, 40, sampleCount)
}
require.NoError(t, css.Err())
require.Equal(t, 1, seriesCount)
}
func TestReader_PostingsForLabelMatchingHonorsContextCancel(t *testing.T) {
ir := mockReaderOfLabels{}
failAfter := uint64(mockReaderOfLabelsSeriesCount / 2 / checkContextEveryNIterations)
ctx := &testutil.MockContextErrAfter{FailAfter: failAfter}
_, err := labelValuesWithMatchers(ctx, ir, "__name__", nil, labels.MustNewMatcher(labels.MatchRegexp, "__name__", ".+"))
require.Error(t, err)
require.Equal(t, failAfter+1, ctx.Count()) // Plus one for the Err() call that puts the error in the result.
}
type mockReaderOfLabels struct{}
const mockReaderOfLabelsSeriesCount = checkContextEveryNIterations * 10
func (mockReaderOfLabels) LabelValues(context.Context, string, *storage.LabelHints, ...*labels.Matcher) ([]string, error) {
return make([]string, mockReaderOfLabelsSeriesCount), nil
}
func (mockReaderOfLabels) LabelValueFor(context.Context, storage.SeriesRef, string) (string, error) {
panic("LabelValueFor called")
}
func (mockReaderOfLabels) SortedLabelValues(context.Context, string, *storage.LabelHints, ...*labels.Matcher) ([]string, error) {
panic("SortedLabelValues called")
}
func (mockReaderOfLabels) Close() error {
return nil
}
func (mockReaderOfLabels) LabelNames(context.Context, ...*labels.Matcher) ([]string, error) {
panic("LabelNames called")
}
func (mockReaderOfLabels) LabelNamesFor(context.Context, index.Postings) ([]string, error) {
panic("LabelNamesFor called")
}
func (mockReaderOfLabels) PostingsForLabelMatching(context.Context, string, func(string) bool) index.Postings {
panic("PostingsForLabelMatching called")
}
func (mockReaderOfLabels) PostingsForAllLabelValues(context.Context, string) index.Postings {
panic("PostingsForAllLabelValues called")
}
func (mockReaderOfLabels) Postings(context.Context, string, ...string) (index.Postings, error) {
panic("Postings called")
}
func (mockReaderOfLabels) ShardedPostings(index.Postings, uint64, uint64) index.Postings {
panic("Postings called")
}
func (mockReaderOfLabels) SortedPostings(index.Postings) index.Postings {
panic("SortedPostings called")
}
func (mockReaderOfLabels) Series(storage.SeriesRef, *labels.ScratchBuilder, *[]chunks.Meta) error {
panic("Series called")
}
func (mockReaderOfLabels) Symbols() index.StringIter {
panic("Series called")
}
// TestMergeQuerierConcurrentSelectMatchers reproduces the data race bug from
// https://github.com/prometheus/prometheus/issues/14723, when one of the queriers (blockQuerier in this case)
// alters the passed matchers.
func TestMergeQuerierConcurrentSelectMatchers(t *testing.T) {
block, err := OpenBlock(nil, createBlock(t, t.TempDir(), genSeries(1, 1, 0, 1)), nil, nil)
require.NoError(t, err)
defer func() {
require.NoError(t, block.Close())
}()
p, err := NewBlockQuerier(block, 0, 1)
require.NoError(t, err)
// A secondary querier is required to enable concurrent select; a blockQuerier is used for simplicity.
s, err := NewBlockQuerier(block, 0, 1)
require.NoError(t, err)
originalMatchers := []*labels.Matcher{
labels.MustNewMatcher(labels.MatchRegexp, "baz", ".*"),
labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"),
}
matchers := append([]*labels.Matcher{}, originalMatchers...)
mergedQuerier := storage.NewMergeQuerier([]storage.Querier{p}, []storage.Querier{s}, storage.ChainedSeriesMerge)
defer func() {
require.NoError(t, mergedQuerier.Close())
}()
mergedQuerier.Select(context.Background(), false, nil, matchers...)
require.Equal(t, originalMatchers, matchers)
}
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