mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-27 02:46:47 +01:00
292 lines
7.9 KiB
Go
292 lines
7.9 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 TestTableSearch(t *testing.T) {
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var trData TimeRange
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trData.fromPartitionTime(time.Now())
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trData.MinTimestamp -= 5 * 365 * 24 * 3600 * 1000
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t.Run("SinglePartition", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp + 4e3,
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MaxTimestamp: trData.MaxTimestamp - 4e3,
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}
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testTableSearchEx(t, trData, trSearch, 1, 10, 1000, 10)
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})
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t.Run("SinglePartPerPartition", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp + 4e3,
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MaxTimestamp: trData.MaxTimestamp - 4e3,
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}
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testTableSearchEx(t, trData, trSearch, 12, 1, 1000, 10)
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})
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t.Run("SingleRowPerPartition", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp + 4e3,
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MaxTimestamp: trData.MaxTimestamp - 4e3,
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}
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testTableSearchEx(t, trData, trSearch, 12, 100, 1, 10)
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})
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t.Run("SingleTSID", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp + 4e3,
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MaxTimestamp: trData.MaxTimestamp - 4e3,
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}
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testTableSearchEx(t, trData, trSearch, 12, 5, 1000, 1)
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})
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t.Run("ManyPartitions", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp + 4e3,
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MaxTimestamp: trData.MaxTimestamp - 4e3,
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}
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testTableSearchEx(t, trData, trSearch, 60, 20, 30, 20)
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})
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t.Run("ManyTSIDs", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp + 4e3,
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MaxTimestamp: trData.MaxTimestamp - 4e3,
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}
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testTableSearchEx(t, trData, trSearch, 2, 5, 5000, 1000)
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})
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t.Run("ExactTimeRange", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp,
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MaxTimestamp: trData.MaxTimestamp,
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}
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testTableSearchEx(t, trData, trSearch, 2, 5, 1000, 10)
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})
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t.Run("InnerTimeRange", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp + 4e3,
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MaxTimestamp: trData.MaxTimestamp - 4e3,
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}
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testTableSearchEx(t, trData, trSearch, 2, 5, 1000, 10)
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})
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t.Run("OuterTimeRange", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp - 1e6,
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MaxTimestamp: trData.MaxTimestamp + 1e6,
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}
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testTableSearchEx(t, trData, trSearch, 2, 5, 1000, 10)
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})
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t.Run("LowTimeRange", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp - 2e6,
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MaxTimestamp: trData.MinTimestamp - 1e6,
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}
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testTableSearchEx(t, trData, trSearch, 2, 5, 1000, 10)
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})
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t.Run("HighTimeRange", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MaxTimestamp + 1e6,
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MaxTimestamp: trData.MaxTimestamp + 2e6,
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}
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testTableSearchEx(t, trData, trSearch, 2, 5, 1000, 10)
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})
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t.Run("LowerEndTimeRange", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp - 1e6,
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MaxTimestamp: trData.MaxTimestamp - 4e3,
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}
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testTableSearchEx(t, trData, trSearch, 2, 5, 1000, 10)
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})
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t.Run("HigherEndTimeRange", func(t *testing.T) {
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trSearch := TimeRange{
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MinTimestamp: trData.MinTimestamp + 4e3,
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MaxTimestamp: trData.MaxTimestamp + 1e6,
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}
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testTableSearchEx(t, trData, trSearch, 2, 5, 1000, 10)
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})
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}
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func testTableSearchEx(t *testing.T, trData, trSearch TimeRange, partitionsCount, maxPartsPerPartition, 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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var r rawRow
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r.PrecisionBits = 24
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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(trData.MinTimestamp)
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var rowss [][]rawRow
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for i := 0; i < partitionsCount; i++ {
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partsCount := rand.Intn(maxPartsPerPartition) + 1
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for j := 0; j < partsCount; j++ {
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var rows []rawRow
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timestamp := ptr.MinTimestamp
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rowsCount := rand.Intn(maxRowsPerPart) + 1
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for k := 0; k < rowsCount; k++ {
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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)) + 1
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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, trSearch)
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rbsExpected = append(rbsExpected, rbs...)
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rowss = append(rowss, rows)
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}
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// Go to the next partition.
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ptr.fromPartitionTimestamp(ptr.MaxTimestamp + 1)
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if ptr.MaxTimestamp > trData.MaxTimestamp {
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break
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}
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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 a table from rowss and test search on it.
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strg := newTestStorage()
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var isReadOnly uint32
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tb, err := openTable("./test-table", strg, maxRetentionMsecs, &isReadOnly)
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if err != nil {
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t.Fatalf("cannot create table: %s", err)
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}
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defer func() {
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if err := os.RemoveAll("./test-table"); err != nil {
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t.Fatalf("cannot remove table directory: %s", err)
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}
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}()
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for _, rows := range rowss {
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if err := tb.AddRows(rows); err != nil {
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t.Fatalf("cannot add rows to table: %s", err)
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}
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// Flush rows to parts.
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tb.flushRawRows()
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}
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testTableSearch(t, tb, tsids, trSearch, rbsExpected, -1)
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tb.MustClose()
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// Open the created table and test search on it.
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tb, err = openTable("./test-table", strg, maxRetentionMsecs, &isReadOnly)
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if err != nil {
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t.Fatalf("cannot open table: %s", err)
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}
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testTableSearch(t, tb, tsids, trSearch, rbsExpected, rowsCountExpected)
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tb.MustClose()
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}
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func testTableSearch(t *testing.T, tb *table, tsids []TSID, tr TimeRange, rbsExpected []rawBlock, rowsCountExpected int64) {
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t.Helper()
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if err := testTableSearchSerial(tb, tsids, tr, rbsExpected, rowsCountExpected); err != nil {
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t.Fatalf("unexpected error in serial table 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 <- testTableSearchSerial(tb, 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 table 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 table search")
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}
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}
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}
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func testTableSearchSerial(tb *table, 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 the table opened from file.
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//
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// The online created table may not contain all the rows, since
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// they may race with raw rows flusher.
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var m TableMetrics
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tb.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 in the table; 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 ts tableSearch
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ts.Init(tb, tsids, tr)
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for ts.NextBlock() {
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var b Block
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ts.BlockRef.MustReadBlock(&b)
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bs = append(bs, b)
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}
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if err := ts.Error(); err != nil {
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return fmt.Errorf("unexpected error: %w", err)
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}
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ts.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 TableMetrics
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tb.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 in the table; 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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ts.Init(tb, []TSID{}, tr)
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if ts.NextBlock() {
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return fmt.Errorf("unexpected block got for an empty tsids list: %+v", ts.BlockRef)
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}
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if err := ts.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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ts.MustClose()
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return nil
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}
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