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wal_bench_test.go
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wal_bench_test.go
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package wal
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
)
func BenchmarkWrite_100B_Batch1(b *testing.B) {
benchmarkWrite(b, 100, 1)
}
func BenchmarkWrite_100B_Batch10(b *testing.B) {
benchmarkWrite(b, 100, 10)
}
func BenchmarkWrite_100B_Batch100(b *testing.B) {
benchmarkWrite(b, 100, 100)
}
func BenchmarkWrite_100B_Batch1000(b *testing.B) {
benchmarkWrite(b, 100, 1000)
}
func BenchmarkWrite_100B_Batch5000(b *testing.B) {
benchmarkWrite(b, 100, 5000)
}
func BenchmarkWrite_1000B_Batch1(b *testing.B) {
benchmarkWrite(b, 1000, 1)
}
func BenchmarkWrite_1000B_Batch10(b *testing.B) {
benchmarkWrite(b, 1000, 10)
}
func BenchmarkWrite_1000B_Batch100(b *testing.B) {
benchmarkWrite(b, 1000, 100)
}
func BenchmarkWrite_1000B_Batch1000(b *testing.B) {
benchmarkWrite(b, 1000, 1000)
}
func BenchmarkWrite_1000B_Batch5000(b *testing.B) {
benchmarkWrite(b, 1000, 5000)
}
func BenchmarkWrite_5000B_Batch1(b *testing.B) {
benchmarkWrite(b, 5000, 1)
}
func BenchmarkWrite_5000B_Batch10(b *testing.B) {
benchmarkWrite(b, 5000, 10)
}
func BenchmarkWrite_5000B_Batch100(b *testing.B) {
benchmarkWrite(b, 5000, 100)
}
func BenchmarkWrite_5000B_Batch1000(b *testing.B) {
benchmarkWrite(b, 5000, 1000)
}
func BenchmarkWrite_5000B_Batch5000(b *testing.B) {
benchmarkWrite(b, 5000, 5000)
}
func benchmarkWrite(b *testing.B, nBytes int, batch int) {
// Create a new WAL.
baseDir, err := ioutil.TempDir("", "")
if err != nil {
b.Fatal(err)
}
defer os.RemoveAll(baseDir)
walDir := filepath.Join(baseDir, b.Name())
wal, err := OpenWAL(walDir, SegmentSizeBytes, nil)
if err != nil {
b.Fatal(err)
}
defer wal.Close()
// Benchmark.
data := make([]byte, nBytes)
b.SetBytes(int64(frameSize(len(data))))
b.ResetTimer()
for i := 0; i < b.N; i++ {
if _, err := wal.writeNoCut(data); err != nil && err != errSegmentSizeReached {
b.Fatal(err)
}
if i%batch == batch-1 {
if err := wal.Sync(); err != nil {
b.Fatal(err)
}
}
}
}