mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
279 lines
7.4 KiB
Go
279 lines
7.4 KiB
Go
package storage
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import (
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"fmt"
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"math/rand"
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"os"
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"sort"
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"testing"
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"time"
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)
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func TestPartitionSearch(t *testing.T) {
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ptt := timestampFromTime(time.Now())
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var ptr TimeRange
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ptr.fromPartitionTimestamp(ptt)
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t.Run("SinglePart", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp + 4e3,
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MaxTimestamp: ptr.MaxTimestamp - 4e3,
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}
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testPartitionSearchEx(t, ptt, tr, 1, 10000, 10)
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})
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t.Run("SingleRowPerPart", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp + 4e3,
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MaxTimestamp: ptr.MaxTimestamp - 4e3,
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}
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testPartitionSearchEx(t, ptt, tr, 1000, 1, 10)
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})
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t.Run("SingleTSID", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp + 4e3,
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MaxTimestamp: ptr.MaxTimestamp - 4e3,
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}
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testPartitionSearchEx(t, ptt, tr, 5, 10000, 1)
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})
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t.Run("ManyParts", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp + 4e3,
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MaxTimestamp: ptr.MaxTimestamp - 4e3,
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}
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testPartitionSearchEx(t, ptt, tr, 300, 300, 20)
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})
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t.Run("ManyTSIDs", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp + 4e3,
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MaxTimestamp: ptr.MaxTimestamp - 4e3,
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}
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testPartitionSearchEx(t, ptt, tr, 5, 10000, 1000)
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})
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t.Run("ExactTimeRange", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp,
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MaxTimestamp: ptr.MaxTimestamp,
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}
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testPartitionSearchEx(t, ptt, tr, 5, 1000, 10)
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})
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t.Run("InnerTimeRange", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp + 4e3,
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MaxTimestamp: ptr.MaxTimestamp - 4e3,
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}
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testPartitionSearchEx(t, ptt, tr, 5, 1000, 10)
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})
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t.Run("OuterTimeRange", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp - 1e6,
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MaxTimestamp: ptr.MaxTimestamp + 1e6,
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}
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testPartitionSearchEx(t, ptt, tr, 5, 1000, 10)
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})
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t.Run("LowTimeRange", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp - 2e6,
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MaxTimestamp: ptr.MinTimestamp - 1e6,
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}
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testPartitionSearchEx(t, ptt, tr, 5, 1000, 10)
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})
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t.Run("HighTimeRange", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MaxTimestamp + 1e6,
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MaxTimestamp: ptr.MaxTimestamp + 2e6,
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}
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testPartitionSearchEx(t, ptt, tr, 5, 1000, 10)
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})
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t.Run("LowerEndTimeRange", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp - 1e6,
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MaxTimestamp: ptr.MaxTimestamp - 4e3,
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}
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testPartitionSearchEx(t, ptt, tr, 5, 1000, 10)
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})
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t.Run("HigherEndTimeRange", func(t *testing.T) {
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tr := TimeRange{
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MinTimestamp: ptr.MinTimestamp + 4e3,
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MaxTimestamp: ptr.MaxTimestamp + 1e6,
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}
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testPartitionSearchEx(t, ptt, tr, 5, 1000, 10)
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})
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}
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func testPartitionSearchEx(t *testing.T, ptt int64, tr TimeRange, partsCount, maxRowsPerPart, tsidsCount int) {
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t.Helper()
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// Generate tsids to search.
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var tsids []TSID
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var tsid TSID
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for i := 0; i < 25; i++ {
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tsid.MetricID = uint64(rand.Intn(tsidsCount * 2))
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tsids = append(tsids, tsid)
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}
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sort.Slice(tsids, func(i, j int) bool { return tsids[i].Less(&tsids[j]) })
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// Generate the expected blocks.
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rowsCountExpected := int64(0)
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rbsExpected := []rawBlock{}
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var ptr TimeRange
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ptr.fromPartitionTimestamp(ptt)
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var rowss [][]rawRow
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for i := 0; i < partsCount; i++ {
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var rows []rawRow
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var r rawRow
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r.PrecisionBits = 30
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timestamp := ptr.MinTimestamp
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rowsCount := 1 + rand.Intn(maxRowsPerPart)
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for j := 0; j < rowsCount; j++ {
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r.TSID.MetricID = uint64(rand.Intn(tsidsCount))
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r.Timestamp = timestamp
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r.Value = float64(int(rand.NormFloat64() * 1e5))
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timestamp += int64(rand.Intn(1e4))
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if timestamp > ptr.MaxTimestamp {
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break
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}
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rows = append(rows, r)
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rowsCountExpected++
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}
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rbs := getTestExpectedRawBlocks(rows, tsids, tr)
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rbsExpected = append(rbsExpected, rbs...)
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rowss = append(rowss, rows)
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}
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sort.Slice(rbsExpected, func(i, j int) bool {
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a, b := rbsExpected[i], rbsExpected[j]
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if a.TSID.Less(&b.TSID) {
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return true
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}
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if b.TSID.Less(&a.TSID) {
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return false
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}
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return a.Timestamps[0] < b.Timestamps[0]
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})
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// Create partition from rowss and test search on it.
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strg := newTestStorage()
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retentionMsecs := timestampFromTime(time.Now()) - ptr.MinTimestamp + 3600*1000
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var isReadOnly uint32
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pt, err := createPartition(ptt, "./small-table", "./big-table", strg, retentionMsecs, &isReadOnly)
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if err != nil {
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t.Fatalf("cannot create partition: %s", err)
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}
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smallPartsPath := pt.smallPartsPath
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bigPartsPath := pt.bigPartsPath
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defer func() {
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if err := os.RemoveAll("./small-table"); err != nil {
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t.Fatalf("cannot remove small parts directory: %s", err)
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}
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if err := os.RemoveAll("./big-table"); err != nil {
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t.Fatalf("cannot remove big parts directory: %s", err)
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}
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}()
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for _, rows := range rowss {
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pt.AddRows(rows)
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// Flush just added rows to a separate partition.
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pt.flushRawRows(true)
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}
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testPartitionSearch(t, pt, tsids, tr, rbsExpected, -1)
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pt.MustClose()
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// Open the created partition and test search on it.
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pt, err = openPartition(smallPartsPath, bigPartsPath, strg, retentionMsecs, &isReadOnly)
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if err != nil {
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t.Fatalf("cannot open partition: %s", err)
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}
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testPartitionSearch(t, pt, tsids, tr, rbsExpected, rowsCountExpected)
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pt.MustClose()
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}
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func testPartitionSearch(t *testing.T, pt *partition, tsids []TSID, tr TimeRange, rbsExpected []rawBlock, rowsCountExpected int64) {
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t.Helper()
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if err := testPartitionSearchSerial(pt, tsids, tr, rbsExpected, rowsCountExpected); err != nil {
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t.Fatalf("unexpected error in serial partition search: %s", err)
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}
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ch := make(chan error, 5)
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for i := 0; i < cap(ch); i++ {
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go func() {
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ch <- testPartitionSearchSerial(pt, tsids, tr, rbsExpected, rowsCountExpected)
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}()
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}
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for i := 0; i < cap(ch); i++ {
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select {
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case err := <-ch:
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if err != nil {
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t.Fatalf("unexpected error in concurrent partition search: %s", err)
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}
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case <-time.After(time.Second):
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t.Fatalf("timeout in concurrent partition search")
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}
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}
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}
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func testPartitionSearchSerial(pt *partition, tsids []TSID, tr TimeRange, rbsExpected []rawBlock, rowsCountExpected int64) error {
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if rowsCountExpected >= 0 {
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// Verify rows count only on partition opened from files.
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//
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// Online created partition may contain incomplete number of rows
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// due to the race with raw rows flusher.
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var m partitionMetrics
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pt.UpdateMetrics(&m)
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rowsCount := m.BigRowsCount + m.SmallRowsCount
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if rowsCount != uint64(rowsCountExpected) {
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return fmt.Errorf("unexpected rows count; got %d; want %d", rowsCount, rowsCountExpected)
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}
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}
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bs := []Block{}
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var pts partitionSearch
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pts.Init(pt, tsids, tr)
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for pts.NextBlock() {
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var b Block
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pts.BlockRef.MustReadBlock(&b)
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bs = append(bs, b)
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}
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if err := pts.Error(); err != nil {
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return fmt.Errorf("unexpected error: %w", err)
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}
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pts.MustClose()
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rbs := newTestRawBlocks(bs, tr)
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if err := testEqualRawBlocks(rbs, rbsExpected); err != nil {
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return fmt.Errorf("unequal blocks: %w", err)
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}
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if rowsCountExpected >= 0 {
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var m partitionMetrics
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pt.UpdateMetrics(&m)
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rowsCount := m.BigRowsCount + m.SmallRowsCount
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if rowsCount != uint64(rowsCountExpected) {
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return fmt.Errorf("unexpected rows count after search; got %d; want %d", rowsCount, rowsCountExpected)
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}
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}
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// verify that empty tsids returns empty result
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pts.Init(pt, []TSID{}, tr)
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if pts.NextBlock() {
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return fmt.Errorf("unexpected block got for an empty tsids list: %+v", pts.BlockRef)
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}
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if err := pts.Error(); err != nil {
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return fmt.Errorf("unexpected error on empty tsids list: %w", err)
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}
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pts.MustClose()
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return nil
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}
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