2379 lines
60 KiB
Go
2379 lines
60 KiB
Go
// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tsdb
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import (
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"context"
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"fmt"
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"io/ioutil"
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"math"
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"math/rand"
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"os"
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"path/filepath"
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"sort"
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"strconv"
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"testing"
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"github.com/pkg/errors"
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"github.com/prometheus/prometheus/pkg/labels"
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"github.com/prometheus/prometheus/storage"
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"github.com/prometheus/prometheus/tsdb/chunkenc"
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"github.com/prometheus/prometheus/tsdb/chunks"
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"github.com/prometheus/prometheus/tsdb/index"
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"github.com/prometheus/prometheus/tsdb/tombstones"
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"github.com/prometheus/prometheus/tsdb/tsdbutil"
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"github.com/prometheus/prometheus/util/testutil"
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)
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type mockSeriesSet struct {
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next func() bool
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series func() storage.Series
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err func() error
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}
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func (m *mockSeriesSet) Next() bool { return m.next() }
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func (m *mockSeriesSet) At() storage.Series { return m.series() }
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func (m *mockSeriesSet) Err() error { return m.err() }
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func newMockSeriesSet(list []storage.Series) *mockSeriesSet {
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i := -1
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return &mockSeriesSet{
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next: func() bool {
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i++
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return i < len(list)
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},
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series: func() storage.Series {
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return list[i]
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},
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err: func() error { return nil },
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}
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}
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func TestMergedSeriesSet(t *testing.T) {
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cases := []struct {
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// The input sets in order (samples in series in b are strictly
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// after those in a).
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a, b storage.SeriesSet
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// The composition of a and b in the partition series set must yield
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// results equivalent to the result series set.
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exp storage.SeriesSet
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}{
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{
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a: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"a": "a",
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}, []tsdbutil.Sample{
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sample{t: 1, v: 1},
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}),
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}),
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b: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"a": "a",
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}, []tsdbutil.Sample{
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sample{t: 2, v: 2},
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}),
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newSeries(map[string]string{
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"b": "b",
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}, []tsdbutil.Sample{
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sample{t: 1, v: 1},
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}),
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}),
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exp: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"a": "a",
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}, []tsdbutil.Sample{
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sample{t: 1, v: 1},
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sample{t: 2, v: 2},
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}),
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newSeries(map[string]string{
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"b": "b",
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}, []tsdbutil.Sample{
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sample{t: 1, v: 1},
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}),
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}),
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},
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{
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a: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"handler": "prometheus",
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"instance": "127.0.0.1:9090",
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}, []tsdbutil.Sample{
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sample{t: 1, v: 1},
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}),
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newSeries(map[string]string{
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"handler": "prometheus",
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"instance": "localhost:9090",
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}, []tsdbutil.Sample{
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sample{t: 1, v: 2},
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}),
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}),
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b: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"handler": "prometheus",
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"instance": "127.0.0.1:9090",
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}, []tsdbutil.Sample{
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sample{t: 2, v: 1},
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}),
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newSeries(map[string]string{
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"handler": "query",
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"instance": "localhost:9090",
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}, []tsdbutil.Sample{
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sample{t: 2, v: 2},
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}),
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}),
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exp: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"handler": "prometheus",
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"instance": "127.0.0.1:9090",
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}, []tsdbutil.Sample{
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sample{t: 1, v: 1},
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sample{t: 2, v: 1},
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}),
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newSeries(map[string]string{
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"handler": "prometheus",
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"instance": "localhost:9090",
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}, []tsdbutil.Sample{
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sample{t: 1, v: 2},
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}),
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newSeries(map[string]string{
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"handler": "query",
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"instance": "localhost:9090",
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}, []tsdbutil.Sample{
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sample{t: 2, v: 2},
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}),
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}),
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},
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}
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Outer:
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for _, c := range cases {
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res := NewMergedSeriesSet([]storage.SeriesSet{c.a, c.b})
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for {
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eok, rok := c.exp.Next(), res.Next()
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testutil.Equals(t, eok, rok)
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if !eok {
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continue Outer
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}
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sexp := c.exp.At()
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sres := res.At()
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testutil.Equals(t, sexp.Labels(), sres.Labels())
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smplExp, errExp := expandSeriesIterator(sexp.Iterator())
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smplRes, errRes := expandSeriesIterator(sres.Iterator())
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testutil.Equals(t, errExp, errRes)
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testutil.Equals(t, smplExp, smplRes)
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}
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}
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}
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func expandSeriesIterator(it chunkenc.Iterator) (r []tsdbutil.Sample, err error) {
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for it.Next() {
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t, v := it.At()
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r = append(r, sample{t: t, v: v})
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}
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return r, it.Err()
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}
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type seriesSamples struct {
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lset map[string]string
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chunks [][]sample
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}
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// Index: labels -> postings -> chunkMetas -> chunkRef
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// ChunkReader: ref -> vals
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func createIdxChkReaders(t *testing.T, tc []seriesSamples) (IndexReader, ChunkReader, int64, int64) {
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sort.Slice(tc, func(i, j int) bool {
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return labels.Compare(labels.FromMap(tc[i].lset), labels.FromMap(tc[i].lset)) < 0
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})
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postings := index.NewMemPostings()
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chkReader := mockChunkReader(make(map[uint64]chunkenc.Chunk))
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lblIdx := make(map[string]stringset)
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mi := newMockIndex()
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blockMint := int64(math.MaxInt64)
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blockMaxt := int64(math.MinInt64)
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var chunkRef uint64
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for i, s := range tc {
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i = i + 1 // 0 is not a valid posting.
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metas := make([]chunks.Meta, 0, len(s.chunks))
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for _, chk := range s.chunks {
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if chk[0].t < blockMint {
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blockMint = chk[0].t
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}
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if chk[len(chk)-1].t > blockMaxt {
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blockMaxt = chk[len(chk)-1].t
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}
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metas = append(metas, chunks.Meta{
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MinTime: chk[0].t,
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MaxTime: chk[len(chk)-1].t,
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Ref: chunkRef,
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})
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chunk := chunkenc.NewXORChunk()
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app, _ := chunk.Appender()
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for _, smpl := range chk {
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app.Append(smpl.t, smpl.v)
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}
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chkReader[chunkRef] = chunk
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chunkRef += 1
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}
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ls := labels.FromMap(s.lset)
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testutil.Ok(t, mi.AddSeries(uint64(i), ls, metas...))
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postings.Add(uint64(i), ls)
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for _, l := range ls {
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vs, present := lblIdx[l.Name]
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if !present {
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vs = stringset{}
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lblIdx[l.Name] = vs
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}
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vs.set(l.Value)
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}
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}
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testutil.Ok(t, postings.Iter(func(l labels.Label, p index.Postings) error {
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return mi.WritePostings(l.Name, l.Value, p)
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}))
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return mi, chkReader, blockMint, blockMaxt
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}
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func TestBlockQuerier(t *testing.T) {
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newSeries := func(l map[string]string, s []tsdbutil.Sample) storage.Series {
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return &mockSeries{
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labels: func() labels.Labels { return labels.FromMap(l) },
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iterator: func() chunkenc.Iterator { return newListSeriesIterator(s) },
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}
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}
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type query struct {
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mint, maxt int64
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ms []*labels.Matcher
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exp storage.SeriesSet
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}
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cases := struct {
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data []seriesSamples
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queries []query
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}{
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data: []seriesSamples{
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{
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lset: map[string]string{
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"a": "a",
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},
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chunks: [][]sample{
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{
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{1, 2}, {2, 3}, {3, 4},
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},
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{
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{5, 2}, {6, 3}, {7, 4},
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},
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},
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},
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{
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lset: map[string]string{
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"a": "a",
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"b": "b",
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},
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chunks: [][]sample{
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{
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{1, 1}, {2, 2}, {3, 3},
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},
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{
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{5, 3}, {6, 6},
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},
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},
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},
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{
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lset: map[string]string{
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"b": "b",
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},
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chunks: [][]sample{
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{
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{1, 3}, {2, 2}, {3, 6},
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},
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{
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{5, 1}, {6, 7}, {7, 2},
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},
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},
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},
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},
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queries: []query{
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{
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mint: 0,
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maxt: 0,
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ms: []*labels.Matcher{},
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exp: newMockSeriesSet([]storage.Series{}),
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},
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{
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mint: 0,
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maxt: 0,
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ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
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exp: newMockSeriesSet([]storage.Series{}),
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},
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{
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mint: 1,
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maxt: 0,
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ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
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exp: newMockSeriesSet([]storage.Series{}),
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},
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{
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mint: 2,
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maxt: 6,
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ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
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exp: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"a": "a",
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},
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[]tsdbutil.Sample{sample{2, 3}, sample{3, 4}, sample{5, 2}, sample{6, 3}},
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),
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newSeries(map[string]string{
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"a": "a",
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"b": "b",
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},
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[]tsdbutil.Sample{sample{2, 2}, sample{3, 3}, sample{5, 3}, sample{6, 6}},
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),
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}),
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},
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},
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}
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Outer:
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for _, c := range cases.queries {
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ir, cr, _, _ := createIdxChkReaders(t, cases.data)
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querier := &blockQuerier{
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index: ir,
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chunks: cr,
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tombstones: tombstones.NewMemTombstones(),
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mint: c.mint,
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maxt: c.maxt,
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}
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res, ws, err := querier.Select(false, nil, c.ms...)
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testutil.Ok(t, err)
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testutil.Equals(t, 0, len(ws))
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for {
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eok, rok := c.exp.Next(), res.Next()
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testutil.Equals(t, eok, rok)
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if !eok {
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continue Outer
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}
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sexp := c.exp.At()
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sres := res.At()
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testutil.Equals(t, sexp.Labels(), sres.Labels())
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smplExp, errExp := expandSeriesIterator(sexp.Iterator())
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smplRes, errRes := expandSeriesIterator(sres.Iterator())
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testutil.Equals(t, errExp, errRes)
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testutil.Equals(t, smplExp, smplRes)
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}
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}
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}
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func TestBlockQuerierDelete(t *testing.T) {
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newSeries := func(l map[string]string, s []tsdbutil.Sample) storage.Series {
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return &mockSeries{
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labels: func() labels.Labels { return labels.FromMap(l) },
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iterator: func() chunkenc.Iterator { return newListSeriesIterator(s) },
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}
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}
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type query struct {
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mint, maxt int64
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ms []*labels.Matcher
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exp storage.SeriesSet
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}
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cases := struct {
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data []seriesSamples
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tombstones tombstones.Reader
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queries []query
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}{
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data: []seriesSamples{
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{
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lset: map[string]string{
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"a": "a",
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},
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chunks: [][]sample{
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{
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{1, 2}, {2, 3}, {3, 4},
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},
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{
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{5, 2}, {6, 3}, {7, 4},
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},
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},
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},
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{
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lset: map[string]string{
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"a": "a",
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"b": "b",
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},
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chunks: [][]sample{
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{
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{1, 1}, {2, 2}, {3, 3},
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},
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{
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{4, 15}, {5, 3}, {6, 6},
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},
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},
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},
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{
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lset: map[string]string{
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"b": "b",
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},
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chunks: [][]sample{
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{
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{1, 3}, {2, 2}, {3, 6},
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},
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{
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{5, 1}, {6, 7}, {7, 2},
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},
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},
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},
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},
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tombstones: tombstones.NewTestMemTombstones([]tombstones.Intervals{
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tombstones.Intervals{{Mint: 1, Maxt: 3}},
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tombstones.Intervals{{Mint: 1, Maxt: 3}, {Mint: 6, Maxt: 10}},
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tombstones.Intervals{{Mint: 6, Maxt: 10}},
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}),
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queries: []query{
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{
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mint: 2,
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maxt: 7,
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ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
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exp: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"a": "a",
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},
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[]tsdbutil.Sample{sample{5, 2}, sample{6, 3}, sample{7, 4}},
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),
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newSeries(map[string]string{
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"a": "a",
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"b": "b",
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},
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[]tsdbutil.Sample{sample{4, 15}, sample{5, 3}},
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),
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}),
|
|
},
|
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{
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mint: 2,
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maxt: 7,
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ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "b", "b")},
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exp: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"a": "a",
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"b": "b",
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},
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[]tsdbutil.Sample{sample{4, 15}, sample{5, 3}},
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),
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newSeries(map[string]string{
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"b": "b",
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},
|
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[]tsdbutil.Sample{sample{2, 2}, sample{3, 6}, sample{5, 1}},
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),
|
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}),
|
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},
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{
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mint: 1,
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maxt: 4,
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ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
|
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exp: newMockSeriesSet([]storage.Series{
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newSeries(map[string]string{
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"a": "a",
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"b": "b",
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},
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[]tsdbutil.Sample{sample{4, 15}},
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),
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}),
|
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},
|
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{
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mint: 1,
|
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maxt: 3,
|
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ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "a")},
|
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exp: newMockSeriesSet([]storage.Series{}),
|
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},
|
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},
|
|
}
|
|
|
|
Outer:
|
|
for _, c := range cases.queries {
|
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ir, cr, _, _ := createIdxChkReaders(t, cases.data)
|
|
querier := &blockQuerier{
|
|
index: ir,
|
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chunks: cr,
|
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tombstones: cases.tombstones,
|
|
|
|
mint: c.mint,
|
|
maxt: c.maxt,
|
|
}
|
|
|
|
res, ws, err := querier.Select(false, nil, c.ms...)
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, 0, len(ws))
|
|
|
|
for {
|
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eok, rok := c.exp.Next(), res.Next()
|
|
testutil.Equals(t, eok, rok)
|
|
|
|
if !eok {
|
|
continue Outer
|
|
}
|
|
sexp := c.exp.At()
|
|
sres := res.At()
|
|
|
|
testutil.Equals(t, sexp.Labels(), sres.Labels())
|
|
|
|
smplExp, errExp := expandSeriesIterator(sexp.Iterator())
|
|
smplRes, errRes := expandSeriesIterator(sres.Iterator())
|
|
|
|
testutil.Equals(t, errExp, errRes)
|
|
testutil.Equals(t, smplExp, smplRes)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestBaseChunkSeries(t *testing.T) {
|
|
type refdSeries struct {
|
|
lset labels.Labels
|
|
chunks []chunks.Meta
|
|
|
|
ref uint64
|
|
}
|
|
|
|
cases := []struct {
|
|
series []refdSeries
|
|
// Postings should be in the sorted order of the series
|
|
postings []uint64
|
|
|
|
expIdxs []int
|
|
}{
|
|
{
|
|
series: []refdSeries{
|
|
{
|
|
lset: labels.New([]labels.Label{{Name: "a", Value: "a"}}...),
|
|
chunks: []chunks.Meta{
|
|
{Ref: 29}, {Ref: 45}, {Ref: 245}, {Ref: 123}, {Ref: 4232}, {Ref: 5344},
|
|
{Ref: 121},
|
|
},
|
|
ref: 12,
|
|
},
|
|
{
|
|
lset: labels.New([]labels.Label{{Name: "a", Value: "a"}, {Name: "b", Value: "b"}}...),
|
|
chunks: []chunks.Meta{
|
|
{Ref: 82}, {Ref: 23}, {Ref: 234}, {Ref: 65}, {Ref: 26},
|
|
},
|
|
ref: 10,
|
|
},
|
|
{
|
|
lset: labels.New([]labels.Label{{Name: "b", Value: "c"}}...),
|
|
chunks: []chunks.Meta{{Ref: 8282}},
|
|
ref: 1,
|
|
},
|
|
{
|
|
lset: labels.New([]labels.Label{{Name: "b", Value: "b"}}...),
|
|
chunks: []chunks.Meta{
|
|
{Ref: 829}, {Ref: 239}, {Ref: 2349}, {Ref: 659}, {Ref: 269},
|
|
},
|
|
ref: 108,
|
|
},
|
|
},
|
|
postings: []uint64{12, 13, 10, 108}, // 13 doesn't exist and should just be skipped over.
|
|
expIdxs: []int{0, 1, 3},
|
|
},
|
|
{
|
|
series: []refdSeries{
|
|
{
|
|
lset: labels.New([]labels.Label{{Name: "a", Value: "a"}, {Name: "b", Value: "b"}}...),
|
|
chunks: []chunks.Meta{
|
|
{Ref: 82}, {Ref: 23}, {Ref: 234}, {Ref: 65}, {Ref: 26},
|
|
},
|
|
ref: 10,
|
|
},
|
|
{
|
|
lset: labels.New([]labels.Label{{Name: "b", Value: "c"}}...),
|
|
chunks: []chunks.Meta{{Ref: 8282}},
|
|
ref: 3,
|
|
},
|
|
},
|
|
postings: []uint64{},
|
|
expIdxs: []int{},
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
mi := newMockIndex()
|
|
for _, s := range tc.series {
|
|
testutil.Ok(t, mi.AddSeries(s.ref, s.lset, s.chunks...))
|
|
}
|
|
|
|
bcs := &baseChunkSeries{
|
|
p: index.NewListPostings(tc.postings),
|
|
index: mi,
|
|
tombstones: tombstones.NewMemTombstones(),
|
|
}
|
|
|
|
i := 0
|
|
for bcs.Next() {
|
|
lset, chks, _ := bcs.At()
|
|
|
|
idx := tc.expIdxs[i]
|
|
|
|
testutil.Equals(t, tc.series[idx].lset, lset)
|
|
testutil.Equals(t, tc.series[idx].chunks, chks)
|
|
|
|
i++
|
|
}
|
|
testutil.Equals(t, len(tc.expIdxs), i)
|
|
testutil.Ok(t, bcs.Err())
|
|
}
|
|
}
|
|
|
|
type itSeries struct {
|
|
si chunkenc.Iterator
|
|
}
|
|
|
|
func (s itSeries) Iterator() chunkenc.Iterator { return s.si }
|
|
func (s itSeries) Labels() labels.Labels { return labels.Labels{} }
|
|
|
|
func TestSeriesIterator(t *testing.T) {
|
|
itcases := []struct {
|
|
a, b, c []tsdbutil.Sample
|
|
exp []tsdbutil.Sample
|
|
|
|
mint, maxt int64
|
|
}{
|
|
{
|
|
a: []tsdbutil.Sample{},
|
|
b: []tsdbutil.Sample{},
|
|
c: []tsdbutil.Sample{},
|
|
|
|
exp: []tsdbutil.Sample{},
|
|
|
|
mint: math.MinInt64,
|
|
maxt: math.MaxInt64,
|
|
},
|
|
{
|
|
a: []tsdbutil.Sample{
|
|
sample{1, 2},
|
|
sample{2, 3},
|
|
sample{3, 5},
|
|
sample{6, 1},
|
|
},
|
|
b: []tsdbutil.Sample{},
|
|
c: []tsdbutil.Sample{
|
|
sample{7, 89}, sample{9, 8},
|
|
},
|
|
|
|
exp: []tsdbutil.Sample{
|
|
sample{1, 2}, sample{2, 3}, sample{3, 5}, sample{6, 1}, sample{7, 89}, sample{9, 8},
|
|
},
|
|
mint: math.MinInt64,
|
|
maxt: math.MaxInt64,
|
|
},
|
|
{
|
|
a: []tsdbutil.Sample{},
|
|
b: []tsdbutil.Sample{
|
|
sample{1, 2}, sample{2, 3}, sample{3, 5}, sample{6, 1},
|
|
},
|
|
c: []tsdbutil.Sample{
|
|
sample{7, 89}, sample{9, 8},
|
|
},
|
|
|
|
exp: []tsdbutil.Sample{
|
|
sample{1, 2}, sample{2, 3}, sample{3, 5}, sample{6, 1}, sample{7, 89}, sample{9, 8},
|
|
},
|
|
mint: 2,
|
|
maxt: 8,
|
|
},
|
|
{
|
|
a: []tsdbutil.Sample{
|
|
sample{1, 2}, sample{2, 3}, sample{3, 5}, sample{6, 1},
|
|
},
|
|
b: []tsdbutil.Sample{
|
|
sample{7, 89}, sample{9, 8},
|
|
},
|
|
c: []tsdbutil.Sample{
|
|
sample{10, 22}, sample{203, 3493},
|
|
},
|
|
|
|
exp: []tsdbutil.Sample{
|
|
sample{1, 2}, sample{2, 3}, sample{3, 5}, sample{6, 1}, sample{7, 89}, sample{9, 8}, sample{10, 22}, sample{203, 3493},
|
|
},
|
|
mint: 6,
|
|
maxt: 10,
|
|
},
|
|
}
|
|
|
|
seekcases := []struct {
|
|
a, b, c []tsdbutil.Sample
|
|
|
|
seek int64
|
|
success bool
|
|
exp []tsdbutil.Sample
|
|
|
|
mint, maxt int64
|
|
}{
|
|
{
|
|
a: []tsdbutil.Sample{},
|
|
b: []tsdbutil.Sample{},
|
|
c: []tsdbutil.Sample{},
|
|
|
|
seek: 0,
|
|
success: false,
|
|
exp: nil,
|
|
},
|
|
{
|
|
a: []tsdbutil.Sample{
|
|
sample{2, 3},
|
|
},
|
|
b: []tsdbutil.Sample{},
|
|
c: []tsdbutil.Sample{
|
|
sample{7, 89}, sample{9, 8},
|
|
},
|
|
|
|
seek: 10,
|
|
success: false,
|
|
exp: nil,
|
|
mint: math.MinInt64,
|
|
maxt: math.MaxInt64,
|
|
},
|
|
{
|
|
a: []tsdbutil.Sample{},
|
|
b: []tsdbutil.Sample{
|
|
sample{1, 2}, sample{3, 5}, sample{6, 1},
|
|
},
|
|
c: []tsdbutil.Sample{
|
|
sample{7, 89}, sample{9, 8},
|
|
},
|
|
|
|
seek: 2,
|
|
success: true,
|
|
exp: []tsdbutil.Sample{
|
|
sample{3, 5}, sample{6, 1}, sample{7, 89}, sample{9, 8},
|
|
},
|
|
mint: 5,
|
|
maxt: 8,
|
|
},
|
|
{
|
|
a: []tsdbutil.Sample{
|
|
sample{6, 1},
|
|
},
|
|
b: []tsdbutil.Sample{
|
|
sample{9, 8},
|
|
},
|
|
c: []tsdbutil.Sample{
|
|
sample{10, 22}, sample{203, 3493},
|
|
},
|
|
|
|
seek: 10,
|
|
success: true,
|
|
exp: []tsdbutil.Sample{
|
|
sample{10, 22}, sample{203, 3493},
|
|
},
|
|
mint: 10,
|
|
maxt: 203,
|
|
},
|
|
{
|
|
a: []tsdbutil.Sample{
|
|
sample{6, 1},
|
|
},
|
|
b: []tsdbutil.Sample{
|
|
sample{9, 8},
|
|
},
|
|
c: []tsdbutil.Sample{
|
|
sample{10, 22}, sample{203, 3493},
|
|
},
|
|
|
|
seek: 203,
|
|
success: true,
|
|
exp: []tsdbutil.Sample{
|
|
sample{203, 3493},
|
|
},
|
|
mint: 7,
|
|
maxt: 203,
|
|
},
|
|
}
|
|
|
|
t.Run("Chunk", func(t *testing.T) {
|
|
for _, tc := range itcases {
|
|
chkMetas := []chunks.Meta{
|
|
tsdbutil.ChunkFromSamples(tc.a),
|
|
tsdbutil.ChunkFromSamples(tc.b),
|
|
tsdbutil.ChunkFromSamples(tc.c),
|
|
}
|
|
res := newChunkSeriesIterator(chkMetas, nil, tc.mint, tc.maxt)
|
|
|
|
smplValid := make([]tsdbutil.Sample, 0)
|
|
for _, s := range tc.exp {
|
|
if s.T() >= tc.mint && s.T() <= tc.maxt {
|
|
smplValid = append(smplValid, tsdbutil.Sample(s))
|
|
}
|
|
}
|
|
exp := newListSeriesIterator(smplValid)
|
|
|
|
smplExp, errExp := expandSeriesIterator(exp)
|
|
smplRes, errRes := expandSeriesIterator(res)
|
|
|
|
testutil.Equals(t, errExp, errRes)
|
|
testutil.Equals(t, smplExp, smplRes)
|
|
}
|
|
|
|
t.Run("Seek", func(t *testing.T) {
|
|
extra := []struct {
|
|
a, b, c []tsdbutil.Sample
|
|
|
|
seek int64
|
|
success bool
|
|
exp []tsdbutil.Sample
|
|
|
|
mint, maxt int64
|
|
}{
|
|
{
|
|
a: []tsdbutil.Sample{
|
|
sample{6, 1},
|
|
},
|
|
b: []tsdbutil.Sample{
|
|
sample{9, 8},
|
|
},
|
|
c: []tsdbutil.Sample{
|
|
sample{10, 22}, sample{203, 3493},
|
|
},
|
|
|
|
seek: 203,
|
|
success: false,
|
|
exp: nil,
|
|
mint: 2,
|
|
maxt: 202,
|
|
},
|
|
{
|
|
a: []tsdbutil.Sample{
|
|
sample{6, 1},
|
|
},
|
|
b: []tsdbutil.Sample{
|
|
sample{9, 8},
|
|
},
|
|
c: []tsdbutil.Sample{
|
|
sample{10, 22}, sample{203, 3493},
|
|
},
|
|
|
|
seek: 5,
|
|
success: true,
|
|
exp: []tsdbutil.Sample{sample{10, 22}},
|
|
mint: 10,
|
|
maxt: 202,
|
|
},
|
|
}
|
|
|
|
seekcases2 := append(seekcases, extra...)
|
|
|
|
for _, tc := range seekcases2 {
|
|
chkMetas := []chunks.Meta{
|
|
tsdbutil.ChunkFromSamples(tc.a),
|
|
tsdbutil.ChunkFromSamples(tc.b),
|
|
tsdbutil.ChunkFromSamples(tc.c),
|
|
}
|
|
res := newChunkSeriesIterator(chkMetas, nil, tc.mint, tc.maxt)
|
|
|
|
smplValid := make([]tsdbutil.Sample, 0)
|
|
for _, s := range tc.exp {
|
|
if s.T() >= tc.mint && s.T() <= tc.maxt {
|
|
smplValid = append(smplValid, tsdbutil.Sample(s))
|
|
}
|
|
}
|
|
exp := newListSeriesIterator(smplValid)
|
|
|
|
testutil.Equals(t, tc.success, res.Seek(tc.seek))
|
|
|
|
if tc.success {
|
|
// Init the list and then proceed to check.
|
|
remaining := exp.Next()
|
|
testutil.Assert(t, remaining == true, "")
|
|
|
|
for remaining {
|
|
sExp, eExp := exp.At()
|
|
sRes, eRes := res.At()
|
|
testutil.Equals(t, eExp, eRes)
|
|
testutil.Equals(t, sExp, sRes)
|
|
|
|
remaining = exp.Next()
|
|
testutil.Equals(t, remaining, res.Next())
|
|
}
|
|
}
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("Chain", func(t *testing.T) {
|
|
// Extra cases for overlapping series.
|
|
itcasesExtra := []struct {
|
|
a, b, c []tsdbutil.Sample
|
|
exp []tsdbutil.Sample
|
|
mint, maxt int64
|
|
}{
|
|
{
|
|
a: []tsdbutil.Sample{
|
|
sample{1, 2}, sample{2, 3}, sample{3, 5}, sample{6, 1},
|
|
},
|
|
b: []tsdbutil.Sample{
|
|
sample{5, 49}, sample{7, 89}, sample{9, 8},
|
|
},
|
|
c: []tsdbutil.Sample{
|
|
sample{2, 33}, sample{4, 44}, sample{10, 3},
|
|
},
|
|
|
|
exp: []tsdbutil.Sample{
|
|
sample{1, 2}, sample{2, 33}, sample{3, 5}, sample{4, 44}, sample{5, 49}, sample{6, 1}, sample{7, 89}, sample{9, 8}, sample{10, 3},
|
|
},
|
|
mint: math.MinInt64,
|
|
maxt: math.MaxInt64,
|
|
},
|
|
{
|
|
a: []tsdbutil.Sample{
|
|
sample{1, 2}, sample{2, 3}, sample{9, 5}, sample{13, 1},
|
|
},
|
|
b: []tsdbutil.Sample{},
|
|
c: []tsdbutil.Sample{
|
|
sample{1, 23}, sample{2, 342}, sample{3, 25}, sample{6, 11},
|
|
},
|
|
|
|
exp: []tsdbutil.Sample{
|
|
sample{1, 23}, sample{2, 342}, sample{3, 25}, sample{6, 11}, sample{9, 5}, sample{13, 1},
|
|
},
|
|
mint: math.MinInt64,
|
|
maxt: math.MaxInt64,
|
|
},
|
|
}
|
|
|
|
for _, tc := range itcases {
|
|
a, b, c := itSeries{newListSeriesIterator(tc.a)},
|
|
itSeries{newListSeriesIterator(tc.b)},
|
|
itSeries{newListSeriesIterator(tc.c)}
|
|
|
|
res := newChainedSeriesIterator(a, b, c)
|
|
exp := newListSeriesIterator([]tsdbutil.Sample(tc.exp))
|
|
|
|
smplExp, errExp := expandSeriesIterator(exp)
|
|
smplRes, errRes := expandSeriesIterator(res)
|
|
|
|
testutil.Equals(t, errExp, errRes)
|
|
testutil.Equals(t, smplExp, smplRes)
|
|
}
|
|
|
|
for _, tc := range append(itcases, itcasesExtra...) {
|
|
a, b, c := itSeries{newListSeriesIterator(tc.a)},
|
|
itSeries{newListSeriesIterator(tc.b)},
|
|
itSeries{newListSeriesIterator(tc.c)}
|
|
|
|
res := newVerticalMergeSeriesIterator(a, b, c)
|
|
exp := newListSeriesIterator([]tsdbutil.Sample(tc.exp))
|
|
|
|
smplExp, errExp := expandSeriesIterator(exp)
|
|
smplRes, errRes := expandSeriesIterator(res)
|
|
|
|
testutil.Equals(t, errExp, errRes)
|
|
testutil.Equals(t, smplExp, smplRes)
|
|
}
|
|
|
|
t.Run("Seek", func(t *testing.T) {
|
|
for _, tc := range seekcases {
|
|
ress := []chunkenc.Iterator{
|
|
newChainedSeriesIterator(
|
|
itSeries{newListSeriesIterator(tc.a)},
|
|
itSeries{newListSeriesIterator(tc.b)},
|
|
itSeries{newListSeriesIterator(tc.c)},
|
|
),
|
|
newVerticalMergeSeriesIterator(
|
|
itSeries{newListSeriesIterator(tc.a)},
|
|
itSeries{newListSeriesIterator(tc.b)},
|
|
itSeries{newListSeriesIterator(tc.c)},
|
|
),
|
|
}
|
|
|
|
for _, res := range ress {
|
|
exp := newListSeriesIterator(tc.exp)
|
|
|
|
testutil.Equals(t, tc.success, res.Seek(tc.seek))
|
|
|
|
if tc.success {
|
|
// Init the list and then proceed to check.
|
|
remaining := exp.Next()
|
|
testutil.Assert(t, remaining == true, "")
|
|
|
|
for remaining {
|
|
sExp, eExp := exp.At()
|
|
sRes, eRes := res.At()
|
|
testutil.Equals(t, eExp, eRes)
|
|
testutil.Equals(t, sExp, sRes)
|
|
|
|
remaining = exp.Next()
|
|
testutil.Equals(t, remaining, res.Next())
|
|
}
|
|
}
|
|
}
|
|
}
|
|
})
|
|
})
|
|
}
|
|
|
|
// Regression for: https://github.com/prometheus/tsdb/pull/97
|
|
func TestChunkSeriesIterator_DoubleSeek(t *testing.T) {
|
|
chkMetas := []chunks.Meta{
|
|
tsdbutil.ChunkFromSamples([]tsdbutil.Sample{}),
|
|
tsdbutil.ChunkFromSamples([]tsdbutil.Sample{sample{1, 1}, sample{2, 2}, sample{3, 3}}),
|
|
tsdbutil.ChunkFromSamples([]tsdbutil.Sample{sample{4, 4}, sample{5, 5}}),
|
|
}
|
|
|
|
res := newChunkSeriesIterator(chkMetas, nil, 2, 8)
|
|
testutil.Assert(t, res.Seek(1) == true, "")
|
|
testutil.Assert(t, res.Seek(2) == true, "")
|
|
ts, v := res.At()
|
|
testutil.Equals(t, int64(2), ts)
|
|
testutil.Equals(t, float64(2), v)
|
|
}
|
|
|
|
// 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 TestChunkSeriesIterator_SeekInCurrentChunk(t *testing.T) {
|
|
metas := []chunks.Meta{
|
|
tsdbutil.ChunkFromSamples([]tsdbutil.Sample{}),
|
|
tsdbutil.ChunkFromSamples([]tsdbutil.Sample{sample{1, 2}, sample{3, 4}, sample{5, 6}, sample{7, 8}}),
|
|
tsdbutil.ChunkFromSamples([]tsdbutil.Sample{}),
|
|
}
|
|
|
|
it := newChunkSeriesIterator(metas, nil, 1, 7)
|
|
|
|
testutil.Assert(t, it.Next() == true, "")
|
|
ts, v := it.At()
|
|
testutil.Equals(t, int64(1), ts)
|
|
testutil.Equals(t, float64(2), v)
|
|
|
|
testutil.Assert(t, it.Seek(4) == true, "")
|
|
ts, v = it.At()
|
|
testutil.Equals(t, int64(5), ts)
|
|
testutil.Equals(t, float64(6), v)
|
|
}
|
|
|
|
// 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 TestChunkSeriesIterator_NextWithMinTime(t *testing.T) {
|
|
metas := []chunks.Meta{
|
|
tsdbutil.ChunkFromSamples([]tsdbutil.Sample{sample{1, 6}, sample{5, 6}, sample{7, 8}}),
|
|
}
|
|
|
|
it := newChunkSeriesIterator(metas, nil, 2, 4)
|
|
testutil.Assert(t, it.Next() == false, "")
|
|
}
|
|
|
|
func TestPopulatedCSReturnsValidChunkSlice(t *testing.T) {
|
|
lbls := []labels.Labels{labels.New(labels.Label{Name: "a", Value: "b"})}
|
|
chunkMetas := [][]chunks.Meta{
|
|
{
|
|
{MinTime: 1, MaxTime: 2, Ref: 1},
|
|
{MinTime: 3, MaxTime: 4, Ref: 2},
|
|
{MinTime: 10, MaxTime: 12, Ref: 3},
|
|
},
|
|
}
|
|
|
|
cr := mockChunkReader(
|
|
map[uint64]chunkenc.Chunk{
|
|
1: chunkenc.NewXORChunk(),
|
|
2: chunkenc.NewXORChunk(),
|
|
3: chunkenc.NewXORChunk(),
|
|
},
|
|
)
|
|
|
|
m := &mockChunkSeriesSet{l: lbls, cm: chunkMetas, i: -1}
|
|
p := &populatedChunkSeries{
|
|
set: m,
|
|
chunks: cr,
|
|
|
|
mint: 0,
|
|
maxt: 0,
|
|
}
|
|
|
|
testutil.Assert(t, p.Next() == false, "")
|
|
|
|
p.mint = 6
|
|
p.maxt = 9
|
|
testutil.Assert(t, p.Next() == false, "")
|
|
|
|
// Test the case where 1 chunk could cause an unpopulated chunk to be returned.
|
|
chunkMetas = [][]chunks.Meta{
|
|
{
|
|
{MinTime: 1, MaxTime: 2, Ref: 1},
|
|
},
|
|
}
|
|
|
|
m = &mockChunkSeriesSet{l: lbls, cm: chunkMetas, i: -1}
|
|
p = &populatedChunkSeries{
|
|
set: m,
|
|
chunks: cr,
|
|
|
|
mint: 10,
|
|
maxt: 15,
|
|
}
|
|
testutil.Assert(t, p.Next() == false, "")
|
|
}
|
|
|
|
type mockChunkSeriesSet struct {
|
|
l []labels.Labels
|
|
cm [][]chunks.Meta
|
|
|
|
i int
|
|
}
|
|
|
|
func (m *mockChunkSeriesSet) Next() bool {
|
|
if len(m.l) != len(m.cm) {
|
|
return false
|
|
}
|
|
m.i++
|
|
return m.i < len(m.l)
|
|
}
|
|
|
|
func (m *mockChunkSeriesSet) At() (labels.Labels, []chunks.Meta, tombstones.Intervals) {
|
|
return m.l[m.i], m.cm[m.i], nil
|
|
}
|
|
|
|
func (m *mockChunkSeriesSet) Err() error {
|
|
return nil
|
|
}
|
|
|
|
// 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) {
|
|
var sel = func(sets []storage.SeriesSet) storage.SeriesSet {
|
|
return NewMergedSeriesSet(sets)
|
|
}
|
|
|
|
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)
|
|
testutil.Ok(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], &mockSeries{labels: func() labels.Labels { return l2 }})
|
|
}
|
|
}
|
|
|
|
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++
|
|
}
|
|
testutil.Ok(b, ms.Err())
|
|
testutil.Equals(b, len(lbls), i)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
type mockChunkReader map[uint64]chunkenc.Chunk
|
|
|
|
func (cr mockChunkReader) Chunk(id uint64) (chunkenc.Chunk, error) {
|
|
chk, ok := cr[id]
|
|
if ok {
|
|
return chk, nil
|
|
}
|
|
|
|
return nil, errors.New("Chunk with ref not found")
|
|
}
|
|
|
|
func (cr mockChunkReader) Close() error {
|
|
return nil
|
|
}
|
|
|
|
func TestDeletedIterator(t *testing.T) {
|
|
chk := chunkenc.NewXORChunk()
|
|
app, err := chk.Appender()
|
|
testutil.Ok(t, err)
|
|
// Insert random stuff from (0, 1000).
|
|
act := make([]sample, 1000)
|
|
for i := 0; i < 1000; i++ {
|
|
act[i].t = int64(i)
|
|
act[i].v = rand.Float64()
|
|
app.Append(act[i].t, act[i].v)
|
|
}
|
|
|
|
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 {
|
|
t.Run("Simple", func(t *testing.T) {
|
|
i := int64(-1)
|
|
it := &deletedIterator{it: chk.Iterator(nil), intervals: c.r[:]}
|
|
ranges := c.r[:]
|
|
for it.Next() {
|
|
i++
|
|
for _, tr := range ranges {
|
|
if tr.InBounds(i) {
|
|
i = tr.Maxt + 1
|
|
ranges = ranges[1:]
|
|
}
|
|
}
|
|
|
|
testutil.Assert(t, i < 1000, "")
|
|
|
|
ts, v := it.At()
|
|
testutil.Equals(t, act[i].t, ts)
|
|
testutil.Equals(t, act[i].v, 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:]
|
|
}
|
|
}
|
|
|
|
testutil.Assert(t, i >= 1000, "")
|
|
testutil.Ok(t, it.Err())
|
|
})
|
|
t.Run("Seek", func(t *testing.T) {
|
|
const seek = 10
|
|
|
|
i := int64(seek)
|
|
it := &deletedIterator{it: chk.Iterator(nil), intervals: c.r[:]}
|
|
ranges := c.r[:]
|
|
|
|
testutil.Assert(t, it.Seek(seek), "")
|
|
for it.Next() {
|
|
i++
|
|
for _, tr := range ranges {
|
|
if tr.InBounds(i) {
|
|
i = tr.Maxt + 1
|
|
ranges = ranges[1:]
|
|
}
|
|
}
|
|
|
|
testutil.Assert(t, i < 1000, "")
|
|
|
|
ts, v := it.At()
|
|
testutil.Equals(t, act[i].t, ts)
|
|
testutil.Equals(t, act[i].v, 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:]
|
|
}
|
|
}
|
|
|
|
testutil.Assert(t, i >= 1000, "")
|
|
testutil.Ok(t, it.Err())
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDeletedIterator_WithSeek(t *testing.T) {
|
|
chk := chunkenc.NewXORChunk()
|
|
app, err := chk.Appender()
|
|
testutil.Ok(t, err)
|
|
// Insert random stuff from (0, 1000).
|
|
act := make([]sample, 1000)
|
|
for i := 0; i < 1000; i++ {
|
|
act[i].t = int64(i)
|
|
act[i].v = rand.Float64()
|
|
app.Append(act[i].t, act[i].v)
|
|
}
|
|
|
|
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{it: chk.Iterator(nil), intervals: c.r[:]}
|
|
ranges := c.r[:]
|
|
for it.Next() {
|
|
i++
|
|
for _, tr := range ranges {
|
|
if tr.InBounds(i) {
|
|
i = tr.Maxt + 1
|
|
ranges = ranges[1:]
|
|
}
|
|
}
|
|
|
|
testutil.Assert(t, i < 1000, "")
|
|
|
|
ts, v := it.At()
|
|
testutil.Equals(t, act[i].t, ts)
|
|
testutil.Equals(t, act[i].v, 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:]
|
|
}
|
|
}
|
|
|
|
testutil.Assert(t, i >= 1000, "")
|
|
testutil.Ok(t, it.Err())
|
|
}
|
|
}
|
|
|
|
type series struct {
|
|
l labels.Labels
|
|
chunks []chunks.Meta
|
|
}
|
|
|
|
type mockIndex struct {
|
|
series map[uint64]series
|
|
postings map[labels.Label][]uint64
|
|
symbols map[string]struct{}
|
|
}
|
|
|
|
func newMockIndex() mockIndex {
|
|
ix := mockIndex{
|
|
series: make(map[uint64]series),
|
|
postings: make(map[labels.Label][]uint64),
|
|
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 uint64, l labels.Labels, chunks ...chunks.Meta) error {
|
|
if _, ok := m.series[ref]; ok {
|
|
return errors.Errorf("series with reference %d already added", ref)
|
|
}
|
|
for _, lbl := range l {
|
|
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 errors.Errorf("postings for %s already added", l)
|
|
}
|
|
ep, err := index.ExpandPostings(it)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
m.postings[l] = ep
|
|
return nil
|
|
}
|
|
|
|
func (m mockIndex) Close() error {
|
|
return nil
|
|
}
|
|
|
|
func (m mockIndex) LabelValues(name string) ([]string, error) {
|
|
values := []string{}
|
|
for l := range m.postings {
|
|
if l.Name == name {
|
|
values = append(values, l.Value)
|
|
}
|
|
}
|
|
sort.Strings(values)
|
|
return values, nil
|
|
}
|
|
|
|
func (m mockIndex) Postings(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(res...), nil
|
|
}
|
|
|
|
func (m mockIndex) SortedPostings(p index.Postings) index.Postings {
|
|
ep, err := index.ExpandPostings(p)
|
|
if err != nil {
|
|
return index.ErrPostings(errors.Wrap(err, "expand postings"))
|
|
}
|
|
|
|
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) Series(ref uint64, lset *labels.Labels, chks *[]chunks.Meta) error {
|
|
s, ok := m.series[ref]
|
|
if !ok {
|
|
return storage.ErrNotFound
|
|
}
|
|
*lset = append((*lset)[:0], s.l...)
|
|
*chks = append((*chks)[:0], s.chunks...)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (m mockIndex) LabelNames() ([]string, error) {
|
|
names := map[string]struct{}{}
|
|
for l := range m.postings {
|
|
names[l.Name] = struct{}{}
|
|
}
|
|
l := make([]string, 0, len(names))
|
|
for name := range names {
|
|
l = append(l, name)
|
|
}
|
|
sort.Strings(l)
|
|
return l, nil
|
|
}
|
|
|
|
type mockSeries struct {
|
|
labels func() labels.Labels
|
|
iterator func() chunkenc.Iterator
|
|
}
|
|
|
|
func newSeries(l map[string]string, s []tsdbutil.Sample) storage.Series {
|
|
return &mockSeries{
|
|
labels: func() labels.Labels { return labels.FromMap(l) },
|
|
iterator: func() chunkenc.Iterator { return newListSeriesIterator(s) },
|
|
}
|
|
}
|
|
func (m *mockSeries) Labels() labels.Labels { return m.labels() }
|
|
func (m *mockSeries) Iterator() chunkenc.Iterator { return m.iterator() }
|
|
|
|
type listSeriesIterator struct {
|
|
list []tsdbutil.Sample
|
|
idx int
|
|
}
|
|
|
|
func newListSeriesIterator(list []tsdbutil.Sample) *listSeriesIterator {
|
|
return &listSeriesIterator{list: list, idx: -1}
|
|
}
|
|
|
|
func (it *listSeriesIterator) At() (int64, float64) {
|
|
s := it.list[it.idx]
|
|
return s.T(), s.V()
|
|
}
|
|
|
|
func (it *listSeriesIterator) Next() bool {
|
|
it.idx++
|
|
return it.idx < len(it.list)
|
|
}
|
|
|
|
func (it *listSeriesIterator) Seek(t int64) bool {
|
|
if it.idx == -1 {
|
|
it.idx = 0
|
|
}
|
|
// Do binary search between current position and end.
|
|
it.idx = sort.Search(len(it.list)-it.idx, func(i int) bool {
|
|
s := it.list[i+it.idx]
|
|
return s.T() >= t
|
|
})
|
|
|
|
return it.idx < len(it.list)
|
|
}
|
|
|
|
func (it *listSeriesIterator) Err() error {
|
|
return 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, err := ioutil.TempDir("", "bench_query_iterator")
|
|
testutil.Ok(b, err)
|
|
defer func() {
|
|
testutil.Ok(b, os.RemoveAll(dir))
|
|
}()
|
|
|
|
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)
|
|
testutil.Ok(b, err)
|
|
blocks = append(blocks, block)
|
|
defer block.Close()
|
|
}
|
|
|
|
que := &querier{
|
|
blocks: make([]storage.Querier, 0, len(blocks)),
|
|
}
|
|
for _, blk := range blocks {
|
|
q, err := NewBlockQuerier(blk, math.MinInt64, math.MaxInt64)
|
|
testutil.Ok(b, err)
|
|
que.blocks = append(que.blocks, q)
|
|
}
|
|
|
|
var sq storage.Querier = que
|
|
if overlapPercentage > 0 {
|
|
sq = &verticalQuerier{
|
|
querier: *que,
|
|
}
|
|
}
|
|
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, err := ioutil.TempDir("", "bench_query_iterator")
|
|
testutil.Ok(b, err)
|
|
defer func() {
|
|
testutil.Ok(b, os.RemoveAll(dir))
|
|
}()
|
|
|
|
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)
|
|
testutil.Ok(b, err)
|
|
blocks = append(blocks, block)
|
|
defer block.Close()
|
|
}
|
|
|
|
que := &querier{
|
|
blocks: make([]storage.Querier, 0, len(blocks)),
|
|
}
|
|
for _, blk := range blocks {
|
|
q, err := NewBlockQuerier(blk, math.MinInt64, math.MaxInt64)
|
|
testutil.Ok(b, err)
|
|
que.blocks = append(que.blocks, q)
|
|
}
|
|
|
|
var sq storage.Querier = que
|
|
if overlapPercentage > 0 {
|
|
sq = &verticalQuerier{
|
|
querier: *que,
|
|
}
|
|
}
|
|
defer sq.Close()
|
|
|
|
mint := blocks[0].meta.MinTime
|
|
maxt := blocks[len(blocks)-1].meta.MaxTime
|
|
|
|
b.ResetTimer()
|
|
b.ReportAllocs()
|
|
|
|
ss, ws, err := sq.Select(false, nil, labels.MustNewMatcher(labels.MatchRegexp, "__name__", ".*"))
|
|
for ss.Next() {
|
|
it := ss.At().Iterator()
|
|
for t := mint; t <= maxt; t++ {
|
|
it.Seek(t)
|
|
}
|
|
testutil.Ok(b, it.Err())
|
|
}
|
|
testutil.Ok(b, ss.Err())
|
|
testutil.Ok(b, err)
|
|
testutil.Equals(b, 0, len(ws))
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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 {
|
|
dir, err := ioutil.TempDir("", "bench_postings_for_matchers")
|
|
testutil.Ok(b, err)
|
|
defer func() {
|
|
testutil.Ok(b, os.RemoveAll(dir))
|
|
}()
|
|
|
|
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)
|
|
testutil.Ok(b, err)
|
|
blocks = append(blocks, block)
|
|
defer block.Close()
|
|
}
|
|
|
|
que := &querier{
|
|
blocks: make([]storage.Querier, 0, len(blocks)),
|
|
}
|
|
for _, blk := range blocks {
|
|
q, err := NewBlockQuerier(blk, math.MinInt64, math.MaxInt64)
|
|
testutil.Ok(b, err)
|
|
que.blocks = append(que.blocks, q)
|
|
}
|
|
defer que.Close()
|
|
|
|
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) {
|
|
b.ResetTimer()
|
|
b.ReportAllocs()
|
|
for n := 0; n < b.N; n++ {
|
|
_, ws, err := que.Select(false, nil, labels.MustNewMatcher(labels.MatchRegexp, "test", c.pattern))
|
|
testutil.Ok(b, err)
|
|
testutil.Equals(b, 0, len(ws))
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// Refer to https://github.com/prometheus/prometheus/issues/2651.
|
|
func TestFindSetMatches(t *testing.T) {
|
|
cases := []struct {
|
|
pattern string
|
|
exp []string
|
|
}{
|
|
// Simple sets.
|
|
{
|
|
pattern: "^(?:foo|bar|baz)$",
|
|
exp: []string{
|
|
"foo",
|
|
"bar",
|
|
"baz",
|
|
},
|
|
},
|
|
// Simple sets containing escaped characters.
|
|
{
|
|
pattern: "^(?:fo\\.o|bar\\?|\\^baz)$",
|
|
exp: []string{
|
|
"fo.o",
|
|
"bar?",
|
|
"^baz",
|
|
},
|
|
},
|
|
// Simple sets containing special characters without escaping.
|
|
{
|
|
pattern: "^(?:fo.o|bar?|^baz)$",
|
|
exp: nil,
|
|
},
|
|
// Missing wrapper.
|
|
{
|
|
pattern: "foo|bar|baz",
|
|
exp: nil,
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
matches := findSetMatches(c.pattern)
|
|
if len(c.exp) == 0 {
|
|
if len(matches) != 0 {
|
|
t.Errorf("Evaluating %s, unexpected result %v", c.pattern, matches)
|
|
}
|
|
} else {
|
|
if len(matches) != len(c.exp) {
|
|
t.Errorf("Evaluating %s, length of result not equal to exp", c.pattern)
|
|
} else {
|
|
for i := 0; i < len(c.exp); i++ {
|
|
if c.exp[i] != matches[i] {
|
|
t.Errorf("Evaluating %s, unexpected result %s", c.pattern, matches[i])
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestPostingsForMatchers(t *testing.T) {
|
|
h, err := NewHead(nil, nil, nil, 1000, DefaultStripeSize)
|
|
testutil.Ok(t, err)
|
|
defer func() {
|
|
testutil.Ok(t, h.Close())
|
|
}()
|
|
|
|
app := h.Appender()
|
|
app.Add(labels.FromStrings("n", "1"), 0, 0)
|
|
app.Add(labels.FromStrings("n", "1", "i", "a"), 0, 0)
|
|
app.Add(labels.FromStrings("n", "1", "i", "b"), 0, 0)
|
|
app.Add(labels.FromStrings("n", "2"), 0, 0)
|
|
app.Add(labels.FromStrings("n", "2.5"), 0, 0)
|
|
testutil.Ok(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"),
|
|
},
|
|
},
|
|
{
|
|
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", "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"),
|
|
},
|
|
},
|
|
{
|
|
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"),
|
|
},
|
|
},
|
|
{
|
|
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"),
|
|
},
|
|
},
|
|
// 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"),
|
|
},
|
|
},
|
|
{
|
|
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", "^.*$")},
|
|
exp: []labels.Labels{
|
|
labels.FromStrings("n", "1"),
|
|
labels.FromStrings("n", "1", "i", "a"),
|
|
labels.FromStrings("n", "1", "i", "b"),
|
|
},
|
|
},
|
|
{
|
|
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchRegexp, "i", "^.+$")},
|
|
exp: []labels.Labels{
|
|
labels.FromStrings("n", "1", "i", "a"),
|
|
labels.FromStrings("n", "1", "i", "b"),
|
|
},
|
|
},
|
|
// Not regex.
|
|
{
|
|
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchNotRegexp, "n", "^1$")},
|
|
exp: []labels.Labels{
|
|
labels.FromStrings("n", "2"),
|
|
labels.FromStrings("n", "2.5"),
|
|
},
|
|
},
|
|
{
|
|
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", "^a$")},
|
|
exp: []labels.Labels{
|
|
labels.FromStrings("n", "1"),
|
|
labels.FromStrings("n", "1", "i", "b"),
|
|
},
|
|
},
|
|
{
|
|
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", "^a?$")},
|
|
exp: []labels.Labels{
|
|
labels.FromStrings("n", "1", "i", "b"),
|
|
},
|
|
},
|
|
{
|
|
matchers: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "n", "1"), labels.MustNewMatcher(labels.MatchNotRegexp, "i", "^$")},
|
|
exp: []labels.Labels{
|
|
labels.FromStrings("n", "1", "i", "a"),
|
|
labels.FromStrings("n", "1", "i", "b"),
|
|
},
|
|
},
|
|
{
|
|
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", "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, "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"),
|
|
},
|
|
},
|
|
}
|
|
|
|
ir, err := h.Index()
|
|
testutil.Ok(t, err)
|
|
|
|
for _, c := range cases {
|
|
exp := map[string]struct{}{}
|
|
for _, l := range c.exp {
|
|
exp[l.String()] = struct{}{}
|
|
}
|
|
p, err := PostingsForMatchers(ir, c.matchers...)
|
|
testutil.Ok(t, err)
|
|
|
|
for p.Next() {
|
|
lbls := labels.Labels{}
|
|
testutil.Ok(t, ir.Series(p.At(), &lbls, &[]chunks.Meta{}))
|
|
if _, ok := exp[lbls.String()]; !ok {
|
|
t.Errorf("Evaluating %v, unexpected result %s", c.matchers, lbls.String())
|
|
} else {
|
|
delete(exp, lbls.String())
|
|
}
|
|
}
|
|
testutil.Ok(t, p.Err())
|
|
if len(exp) != 0 {
|
|
t.Errorf("Evaluating %v, missing results %+v", c.matchers, exp)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// TestClose ensures that calling Close more than once doesn't block and doesn't panic.
|
|
func TestClose(t *testing.T) {
|
|
dir, err := ioutil.TempDir("", "test_storage")
|
|
if err != nil {
|
|
t.Fatalf("Opening test dir failed: %s", err)
|
|
}
|
|
defer func() {
|
|
testutil.Ok(t, os.RemoveAll(dir))
|
|
}()
|
|
|
|
createBlock(t, dir, genSeries(1, 1, 0, 10))
|
|
createBlock(t, dir, genSeries(1, 1, 10, 20))
|
|
|
|
db, err := Open(dir, nil, nil, DefaultOptions())
|
|
if err != nil {
|
|
t.Fatalf("Opening test storage failed: %s", err)
|
|
}
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
}()
|
|
|
|
q, err := db.Querier(context.TODO(), 0, 20)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, q.Close())
|
|
testutil.NotOk(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"),
|
|
},
|
|
}
|
|
|
|
queryTypes := make(map[string]storage.Querier)
|
|
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.Close()
|
|
}
|
|
}()
|
|
|
|
for title, selectors := range cases {
|
|
for _, nSeries := range []int{10} {
|
|
for _, nSamples := range []int64{1000, 10000, 100000} {
|
|
dir, err := ioutil.TempDir("", "test_persisted_query")
|
|
testutil.Ok(b, err)
|
|
defer func() {
|
|
testutil.Ok(b, os.RemoveAll(dir))
|
|
}()
|
|
|
|
series := genSeries(nSeries, 5, 1, int64(nSamples))
|
|
|
|
// Add some common labels to make the matchers select these series.
|
|
{
|
|
var commonLbls labels.Labels
|
|
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].(*mockSeries)
|
|
allLabels := append(commonLbls, s.Labels()...)
|
|
s = &mockSeries{
|
|
labels: func() labels.Labels { return allLabels },
|
|
iterator: s.iterator,
|
|
}
|
|
series[i] = s
|
|
}
|
|
}
|
|
|
|
qs := make([]storage.Querier, 0, 10)
|
|
for x := 0; x <= 10; x++ {
|
|
block, err := OpenBlock(nil, createBlock(b, dir, series), nil)
|
|
testutil.Ok(b, err)
|
|
q, err := NewBlockQuerier(block, 1, int64(nSamples))
|
|
testutil.Ok(b, err)
|
|
qs = append(qs, q)
|
|
}
|
|
queryTypes["_1-Block"] = &querier{blocks: qs[:1]}
|
|
queryTypes["_3-Blocks"] = &querier{blocks: qs[0:3]}
|
|
queryTypes["_10-Blocks"] = &querier{blocks: qs}
|
|
|
|
head := createHead(b, series)
|
|
qHead, err := NewBlockQuerier(head, 1, int64(nSamples))
|
|
testutil.Ok(b, err)
|
|
queryTypes["_Head"] = qHead
|
|
|
|
for qtype, querier := range queryTypes {
|
|
b.Run(title+qtype+"_nSeries:"+strconv.Itoa(nSeries)+"_nSamples:"+strconv.Itoa(int(nSamples)), func(b *testing.B) {
|
|
expExpansions, err := strconv.Atoi(string(title[len(title)-1]))
|
|
testutil.Ok(b, err)
|
|
benchQuery(b, expExpansions, querier, selectors)
|
|
})
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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, ws, err := q.Select(false, nil, selectors...)
|
|
testutil.Ok(b, err)
|
|
testutil.Equals(b, 0, len(ws))
|
|
var actualExpansions int
|
|
for ss.Next() {
|
|
s := ss.At()
|
|
s.Labels()
|
|
it := s.Iterator()
|
|
for it.Next() {
|
|
}
|
|
actualExpansions++
|
|
}
|
|
testutil.Equals(b, expExpansions, actualExpansions)
|
|
testutil.Ok(b, ss.Err())
|
|
}
|
|
}
|
|
|
|
// mockMatcherIndex is used to check if the regex matcher works as expected.
|
|
type mockMatcherIndex struct{}
|
|
|
|
func (m mockMatcherIndex) Symbols() index.StringIter { return nil }
|
|
|
|
func (m mockMatcherIndex) Close() error { return nil }
|
|
|
|
// LabelValues will return error if it is called.
|
|
func (m mockMatcherIndex) LabelValues(name string) ([]string, error) {
|
|
return []string{}, errors.New("label values called")
|
|
}
|
|
|
|
func (m mockMatcherIndex) Postings(name string, values ...string) (index.Postings, error) {
|
|
return index.EmptyPostings(), nil
|
|
}
|
|
|
|
func (m mockMatcherIndex) SortedPostings(p index.Postings) index.Postings {
|
|
return index.EmptyPostings()
|
|
}
|
|
|
|
func (m mockMatcherIndex) Series(ref uint64, lset *labels.Labels, chks *[]chunks.Meta) error {
|
|
return nil
|
|
}
|
|
|
|
func (m mockMatcherIndex) LabelNames() ([]string, error) { return []string{}, nil }
|
|
|
|
func TestPostingsForMatcher(t *testing.T) {
|
|
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: true,
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
ir := &mockMatcherIndex{}
|
|
_, err := postingsForMatcher(ir, tc.matcher)
|
|
if tc.hasError {
|
|
testutil.NotOk(t, err)
|
|
} else {
|
|
testutil.Ok(t, err)
|
|
}
|
|
}
|
|
}
|