mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-23 08:56:31 +01:00
122 lines
3.2 KiB
Go
122 lines
3.2 KiB
Go
package storage
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import (
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"fmt"
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"math/rand"
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"sync/atomic"
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"testing"
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)
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func BenchmarkMergeBlockStreamsTwoSourcesWorstCase(b *testing.B) {
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benchmarkMergeBlockStreams(b, benchTwoSourcesWorstCaseMPS, benchTwoSourcesWorstCaseMPSRowsPerLoop)
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}
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func BenchmarkMergeBlockStreamsTwoSourcesBestCase(b *testing.B) {
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benchmarkMergeBlockStreams(b, benchTwoSourcesBestCaseMPS, benchTwoSourcesBestCaseMPSRowsPerLoop)
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}
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func BenchmarkMergeBlockStreamsFourSourcesWorstCase(b *testing.B) {
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benchmarkMergeBlockStreams(b, benchFourSourcesWorstCaseMPS, benchFourSourcesWorstCaseMPSRowsPerLoop)
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}
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func BenchmarkMergeBlockStreamsFourSourcesBestCase(b *testing.B) {
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benchmarkMergeBlockStreams(b, benchFourSourcesBestCaseMPS, benchFourSourcesBestCaseMPSRowsPerLoop)
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}
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func benchmarkMergeBlockStreams(b *testing.B, mps []*inmemoryPart, rowsPerLoop int64) {
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var rowsMerged, rowsDeleted atomic.Uint64
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strg := newTestStorage()
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b.ReportAllocs()
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b.SetBytes(rowsPerLoop)
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b.RunParallel(func(pb *testing.PB) {
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var bsw blockStreamWriter
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var mpOut inmemoryPart
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bsrs := make([]*blockStreamReader, len(mps))
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for i := range mps {
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var bsr blockStreamReader
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bsrs[i] = &bsr
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}
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for pb.Next() {
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for i, mp := range mps {
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bsrs[i].MustInitFromInmemoryPart(mp)
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}
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mpOut.Reset()
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bsw.MustInitFromInmemoryPart(&mpOut, -5)
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if err := mergeBlockStreams(&mpOut.ph, &bsw, bsrs, nil, strg, 0, &rowsMerged, &rowsDeleted); err != nil {
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panic(fmt.Errorf("cannot merge block streams: %w", err))
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}
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}
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})
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stopTestStorage(strg)
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}
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var benchTwoSourcesWorstCaseMPS = func() []*inmemoryPart {
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rng := rand.New(rand.NewSource(1))
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var rows []rawRow
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var r rawRow
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r.PrecisionBits = defaultPrecisionBits
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for i := 0; i < maxRowsPerBlock/2-1; i++ {
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r.Value = rng.NormFloat64()
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r.Timestamp = rng.Int63n(1e12)
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rows = append(rows, r)
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}
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mp := newTestInmemoryPart(rows)
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return []*inmemoryPart{mp, mp}
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}()
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const benchTwoSourcesWorstCaseMPSRowsPerLoop = (maxRowsPerBlock - 2)
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var benchTwoSourcesBestCaseMPS = func() []*inmemoryPart {
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var r rawRow
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var mps []*inmemoryPart
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for i := 0; i < 2; i++ {
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var rows []rawRow
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r.PrecisionBits = defaultPrecisionBits
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r.TSID.MetricID = uint64(i)
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for j := 0; j < maxRowsPerBlock; j++ {
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rows = append(rows, r)
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}
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mp := newTestInmemoryPart(rows)
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mps = append(mps, mp)
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}
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return mps
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}()
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const benchTwoSourcesBestCaseMPSRowsPerLoop = 2 * maxRowsPerBlock
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var benchFourSourcesWorstCaseMPS = func() []*inmemoryPart {
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rng := rand.New(rand.NewSource(1))
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var rows []rawRow
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var r rawRow
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r.PrecisionBits = defaultPrecisionBits
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for i := 0; i < maxRowsPerBlock/2-1; i++ {
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r.Value = rng.NormFloat64()
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r.Timestamp = rng.Int63n(1e12)
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rows = append(rows, r)
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}
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mp := newTestInmemoryPart(rows)
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return []*inmemoryPart{mp, mp, mp, mp}
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}()
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const benchFourSourcesWorstCaseMPSRowsPerLoop = 2 * (maxRowsPerBlock - 2)
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var benchFourSourcesBestCaseMPS = func() []*inmemoryPart {
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var r rawRow
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var mps []*inmemoryPart
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for i := 0; i < 4; i++ {
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var rows []rawRow
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r.PrecisionBits = defaultPrecisionBits
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r.TSID.MetricID = uint64(i)
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for j := 0; j < maxRowsPerBlock; j++ {
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rows = append(rows, r)
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}
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mp := newTestInmemoryPart(rows)
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mps = append(mps, mp)
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}
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return mps
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}()
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const benchFourSourcesBestCaseMPSRowsPerLoop = 4 * maxRowsPerBlock
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