163 lines
4.0 KiB
Go
163 lines
4.0 KiB
Go
// Copyright 2015 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package mvcc
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import (
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"sync/atomic"
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"testing"
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"github.com/coreos/etcd/lease"
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"github.com/coreos/etcd/mvcc/backend"
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)
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type fakeConsistentIndex uint64
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func (i *fakeConsistentIndex) ConsistentIndex() uint64 {
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return atomic.LoadUint64((*uint64)(i))
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}
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func BenchmarkStorePut(b *testing.B) {
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var i fakeConsistentIndex
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be, tmpPath := backend.NewDefaultTmpBackend()
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s := NewStore(be, &lease.FakeLessor{}, &i)
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defer cleanup(s, be, tmpPath)
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// arbitrary number of bytes
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bytesN := 64
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keys := createBytesSlice(bytesN, b.N)
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vals := createBytesSlice(bytesN, b.N)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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s.Put(keys[i], vals[i], lease.NoLease)
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}
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}
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func BenchmarkStoreRangeOneKey(b *testing.B) {
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var i fakeConsistentIndex
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be, tmpPath := backend.NewDefaultTmpBackend()
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s := NewStore(be, &lease.FakeLessor{}, &i)
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defer cleanup(s, be, tmpPath)
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// 64 byte key/val
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key, val := createBytesSlice(64, 1), createBytesSlice(64, 1)
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s.Put(key[0], val[0], lease.NoLease)
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// Force into boltdb tx instead of backend read tx.
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s.Commit()
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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s.Range(key[0], nil, RangeOptions{})
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}
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}
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func BenchmarkConsistentIndex(b *testing.B) {
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fci := fakeConsistentIndex(10)
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be, tmpPath := backend.NewDefaultTmpBackend()
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s := NewStore(be, &lease.FakeLessor{}, &fci)
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defer cleanup(s, be, tmpPath)
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tx := s.b.BatchTx()
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tx.Lock()
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s.saveIndex(tx)
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tx.Unlock()
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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s.ConsistentIndex()
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}
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}
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// BenchmarkStoreTxnPutUpdate is same as above, but instead updates single key
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func BenchmarkStorePutUpdate(b *testing.B) {
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var i fakeConsistentIndex
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be, tmpPath := backend.NewDefaultTmpBackend()
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s := NewStore(be, &lease.FakeLessor{}, &i)
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defer cleanup(s, be, tmpPath)
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// arbitrary number of bytes
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keys := createBytesSlice(64, 1)
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vals := createBytesSlice(1024, 1)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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s.Put(keys[0], vals[0], lease.NoLease)
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}
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}
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// BenchmarkStoreTxnPut benchmarks the Put operation
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// with transaction begin and end, where transaction involves
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// some synchronization operations, such as mutex locking.
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func BenchmarkStoreTxnPut(b *testing.B) {
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var i fakeConsistentIndex
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be, tmpPath := backend.NewDefaultTmpBackend()
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s := NewStore(be, &lease.FakeLessor{}, &i)
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defer cleanup(s, be, tmpPath)
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// arbitrary number of bytes
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bytesN := 64
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keys := createBytesSlice(bytesN, b.N)
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vals := createBytesSlice(bytesN, b.N)
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b.ResetTimer()
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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txn := s.Write()
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txn.Put(keys[i], vals[i], lease.NoLease)
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txn.End()
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}
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}
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// benchmarkStoreRestore benchmarks the restore operation
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func benchmarkStoreRestore(revsPerKey int, b *testing.B) {
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var i fakeConsistentIndex
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be, tmpPath := backend.NewDefaultTmpBackend()
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s := NewStore(be, &lease.FakeLessor{}, &i)
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// use closure to capture 's' to pick up the reassignment
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defer func() { cleanup(s, be, tmpPath) }()
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// arbitrary number of bytes
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bytesN := 64
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keys := createBytesSlice(bytesN, b.N)
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vals := createBytesSlice(bytesN, b.N)
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for i := 0; i < b.N; i++ {
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for j := 0; j < revsPerKey; j++ {
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txn := s.Write()
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txn.Put(keys[i], vals[i], lease.NoLease)
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txn.End()
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}
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}
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s.Close()
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b.ReportAllocs()
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b.ResetTimer()
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s = NewStore(be, &lease.FakeLessor{}, &i)
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}
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func BenchmarkStoreRestoreRevs1(b *testing.B) {
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benchmarkStoreRestore(1, b)
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}
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func BenchmarkStoreRestoreRevs10(b *testing.B) {
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benchmarkStoreRestore(10, b)
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}
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func BenchmarkStoreRestoreRevs20(b *testing.B) {
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benchmarkStoreRestore(20, b)
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}
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