watcher_bench_test.go

Documentation: go.etcd.io/etcd/server/v3/mvcc

     1  // Copyright 2015 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package mvcc
    16  
    17  import (
    18  	"fmt"
    19  	"testing"
    20  
    21  	"go.etcd.io/etcd/server/v3/lease"
    22  	betesting "go.etcd.io/etcd/server/v3/mvcc/backend/testing"
    23  
    24  	"go.uber.org/zap"
    25  )
    26  
    27  func BenchmarkKVWatcherMemoryUsage(b *testing.B) {
    28  	be, tmpPath := betesting.NewDefaultTmpBackend(b)
    29  	watchable := newWatchableStore(zap.NewExample(), be, &lease.FakeLessor{}, StoreConfig{})
    30  
    31  	defer cleanup(watchable, be, tmpPath)
    32  
    33  	w := watchable.NewWatchStream()
    34  
    35  	b.ReportAllocs()
    36  	b.StartTimer()
    37  	for i := 0; i < b.N; i++ {
    38  		w.Watch(0, []byte(fmt.Sprint("foo", i)), nil, 0)
    39  	}
    40  }
    41
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