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Add benchmarks that take ndjson in `/aggregators/testdata/` and run aggregator on it. No ndjson file is added to the PR. Users should add ndjson file manually to a gitignored directory `/aggregators/testdata/`. ndjson files can be downloaded from apm-perf repo.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| // Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| // or more contributor license agreements. Licensed under the Elastic License 2.0; | ||
| // you may not use this file except in compliance with the Elastic License 2.0. | ||
|
|
||
| package aggregators | ||
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||
| import ( | ||
| "bufio" | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "io/fs" | ||
| "math" | ||
| "os" | ||
| "testing" | ||
|
|
||
| "go.uber.org/zap" | ||
| "golang.org/x/sync/semaphore" | ||
| "google.golang.org/protobuf/types/known/timestamppb" | ||
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| "github.com/elastic/apm-data/input/elasticapm" | ||
| "github.com/elastic/apm-data/model/modelpb" | ||
| "github.com/elastic/apm-data/model/modelprocessor" | ||
| ) | ||
|
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| func ndjsonToBatch(reader io.Reader) (*modelpb.Batch, error) { | ||
| logger, err := zap.NewDevelopment() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| elasticapmProcessor := elasticapm.NewProcessor(elasticapm.Config{ | ||
| Logger: logger, | ||
| MaxEventSize: 1024 * 1024, // 1MiB | ||
| Semaphore: semaphore.NewWeighted(1), | ||
| }) | ||
| baseEvent := modelpb.APMEvent{ | ||
| Event: &modelpb.Event{ | ||
| Received: timestamppb.Now(), | ||
| }, | ||
| } | ||
| var batch modelpb.Batch | ||
| processor := modelprocessor.Chained{ | ||
| modelprocessor.SetHostHostname{}, | ||
| modelprocessor.SetServiceNodeName{}, | ||
| modelprocessor.SetGroupingKey{}, | ||
| modelprocessor.SetErrorMessage{}, | ||
| modelpb.ProcessBatchFunc(func(ctx context.Context, b *modelpb.Batch) error { | ||
| batch = make(modelpb.Batch, len(*b)) | ||
| copy(batch, *b) | ||
| return nil | ||
| }), | ||
| } | ||
|
|
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| var elasticapmResult elasticapm.Result | ||
| if err := elasticapmProcessor.HandleStream( | ||
| context.TODO(), | ||
| false, // async | ||
| &baseEvent, | ||
| reader, | ||
| math.MaxInt32, // batch size | ||
| processor, | ||
| &elasticapmResult, | ||
| ); err != nil { | ||
| return nil, fmt.Errorf("stream error: %w", err) | ||
| } | ||
| return &batch, nil | ||
| } | ||
|
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| // forEachNDJSON loops over ndjson files in testdata. | ||
| // The directory is empty by default but the ndjson files can be downloaded from the apm-perf repo. | ||
| func forEachNDJSON(b *testing.B, f func(*testing.B, *modelpb.Batch)) { | ||
| dirFS := os.DirFS("testdata") | ||
| matches, err := fs.Glob(dirFS, "*.ndjson") | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| for _, filename := range matches { | ||
| b.Run(filename, func(b *testing.B) { | ||
| file, err := dirFS.Open(filename) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| defer file.Close() | ||
|
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| batch, err := ndjsonToBatch(bufio.NewReader(file)) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| f(b, batch) | ||
| }) | ||
| } | ||
| } | ||
|
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| func BenchmarkNDJSONSerial(b *testing.B) { | ||
| forEachNDJSON(b, func(b *testing.B, batch *modelpb.Batch) { | ||
| agg := newTestAggregator(b) | ||
| b.Cleanup(func() { | ||
| agg.Close(context.TODO()) | ||
| }) | ||
| cmID := EncodeToCombinedMetricsKeyID(b, "ab01") | ||
| b.ResetTimer() | ||
|
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| for i := 0; i < b.N; i++ { | ||
| if err := agg.AggregateBatch(context.Background(), cmID, batch); err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| } | ||
| }) | ||
| } | ||
|
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| func BenchmarkNDJSONParallel(b *testing.B) { | ||
| forEachNDJSON(b, func(b *testing.B, batch *modelpb.Batch) { | ||
| agg := newTestAggregator(b) | ||
| b.Cleanup(func() { | ||
| agg.Close(context.TODO()) | ||
| }) | ||
| cmID := EncodeToCombinedMetricsKeyID(b, "ab01") | ||
| b.ResetTimer() | ||
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| b.RunParallel(func(pb *testing.PB) { | ||
| for pb.Next() { | ||
| if err := agg.AggregateBatch(context.Background(), cmID, batch); err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| } | ||
| }) | ||
| }) | ||
| } |
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