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// Copyright 2015 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package wal
import (
"io/ioutil"
"os"
"testing"
"go.uber.org/zap"
"go.etcd.io/etcd/raft/v3/raftpb"
)
func BenchmarkWrite100EntryWithoutBatch(b *testing.B) { benchmarkWriteEntry(b, 100, 0) }
func BenchmarkWrite100EntryBatch10(b *testing.B) { benchmarkWriteEntry(b, 100, 10) }
func BenchmarkWrite100EntryBatch100(b *testing.B) { benchmarkWriteEntry(b, 100, 100) }
func BenchmarkWrite100EntryBatch500(b *testing.B) { benchmarkWriteEntry(b, 100, 500) }
func BenchmarkWrite100EntryBatch1000(b *testing.B) { benchmarkWriteEntry(b, 100, 1000) }
func BenchmarkWrite1000EntryWithoutBatch(b *testing.B) { benchmarkWriteEntry(b, 1000, 0) }
func BenchmarkWrite1000EntryBatch10(b *testing.B) { benchmarkWriteEntry(b, 1000, 10) }
func BenchmarkWrite1000EntryBatch100(b *testing.B) { benchmarkWriteEntry(b, 1000, 100) }
func BenchmarkWrite1000EntryBatch500(b *testing.B) { benchmarkWriteEntry(b, 1000, 500) }
func BenchmarkWrite1000EntryBatch1000(b *testing.B) { benchmarkWriteEntry(b, 1000, 1000) }
func benchmarkWriteEntry(b *testing.B, size int, batch int) {
p, err := ioutil.TempDir(os.TempDir(), "waltest")
if err != nil {
b.Fatal(err)
}
defer os.RemoveAll(p)
w, err := Create(zap.NewExample(), p, []byte("somedata"))
if err != nil {
b.Fatalf("err = %v, want nil", err)
}
data := make([]byte, size)
for i := 0; i < size; i++ {
data[i] = byte(i)
}
e := &raftpb.Entry{Data: data}
b.ResetTimer()
n := 0
b.SetBytes(int64(e.Size()))
for i := 0; i < b.N; i++ {
err := w.saveEntry(e)
if err != nil {
b.Fatal(err)
}
n++
if n > batch {
w.sync()
n = 0
}
}
}
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