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Add num scrapes as tsdb write benchmark command flag

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By default same value that was hardcoded is used, but with the
new flag added the number of scrapes can be increased to any value.

Signed-off-by: Pau Freixes <pfreixes@gmail.com>
This commit is contained in:
Pau Freixes 2021-03-09 11:14:17 +01:00
parent 8d2a8f4939
commit b1ac4a45e6
2 changed files with 4 additions and 3 deletions
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3
cmd/promtool/main.go
View file

@ -124,6 +124,7 @@ func main() {
tsdbBenchWriteCmd := tsdbBenchCmd.Command("write", "Run a write performance benchmark.") tsdbBenchWriteCmd := tsdbBenchCmd.Command("write", "Run a write performance benchmark.")
benchWriteOutPath := tsdbBenchWriteCmd.Flag("out", "Set the output path.").Default("benchout").String() benchWriteOutPath := tsdbBenchWriteCmd.Flag("out", "Set the output path.").Default("benchout").String()
benchWriteNumMetrics := tsdbBenchWriteCmd.Flag("metrics", "Number of metrics to read.").Default("10000").Int() benchWriteNumMetrics := tsdbBenchWriteCmd.Flag("metrics", "Number of metrics to read.").Default("10000").Int()
benchWriteNumScrapes := tsdbBenchWriteCmd.Flag("scrapes", "Number of scrapes to simulate.").Default("3000").Int()
benchSamplesFile := tsdbBenchWriteCmd.Arg("file", "Input file with samples data, default is ("+filepath.Join("..", "..", "tsdb", "testdata", "20kseries.json")+").").Default(filepath.Join("..", "..", "tsdb", "testdata", "20kseries.json")).String() benchSamplesFile := tsdbBenchWriteCmd.Arg("file", "Input file with samples data, default is ("+filepath.Join("..", "..", "tsdb", "testdata", "20kseries.json")+").").Default(filepath.Join("..", "..", "tsdb", "testdata", "20kseries.json")).String()
tsdbAnalyzeCmd := tsdbCmd.Command("analyze", "Analyze churn, label pair cardinality.") tsdbAnalyzeCmd := tsdbCmd.Command("analyze", "Analyze churn, label pair cardinality.")
@ -195,7 +196,7 @@ func main() {
os.Exit(RulesUnitTest(*testRulesFiles...)) os.Exit(RulesUnitTest(*testRulesFiles...))
case tsdbBenchWriteCmd.FullCommand(): case tsdbBenchWriteCmd.FullCommand():
os.Exit(checkErr(benchmarkWrite(*benchWriteOutPath, *benchSamplesFile, *benchWriteNumMetrics))) os.Exit(checkErr(benchmarkWrite(*benchWriteOutPath, *benchSamplesFile, *benchWriteNumMetrics, *benchWriteNumScrapes)))
case tsdbAnalyzeCmd.FullCommand(): case tsdbAnalyzeCmd.FullCommand():
os.Exit(checkErr(analyzeBlock(*analyzePath, *analyzeBlockID, *analyzeLimit))) os.Exit(checkErr(analyzeBlock(*analyzePath, *analyzeBlockID, *analyzeLimit)))

4
cmd/promtool/tsdb.go
View file

@ -58,7 +58,7 @@ type writeBenchmark struct {
logger log.Logger logger log.Logger
} }
func benchmarkWrite(outPath, samplesFile string, numMetrics int) error { func benchmarkWrite(outPath, samplesFile string, numMetrics, numScrapes int) error {
b := &writeBenchmark{ b := &writeBenchmark{
outPath: outPath, outPath: outPath,
samplesFile: samplesFile, samplesFile: samplesFile,
@ -118,7 +118,7 @@ func benchmarkWrite(outPath, samplesFile string, numMetrics int) error {
if err := b.startProfiling(); err != nil { if err := b.startProfiling(); err != nil {
return err return err
} }
total, err = b.ingestScrapes(lbs, 3000) total, err = b.ingestScrapes(lbs, numScrapes)
if err != nil { if err != nil {
return err return err
} }