| // 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" |
| |
| "github.com/coreos/etcd/raft/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(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 |
| } |
| } |
| } |