node_bench_test.go

Documentation: go.etcd.io/etcd/raft/v3

     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 raft
    16  
    17  import (
    18  	"context"
    19  	"testing"
    20  	"time"
    21  )
    22  
    23  func BenchmarkOneNode(b *testing.B) {
    24  	ctx, cancel := context.WithCancel(context.Background())
    25  	defer cancel()
    26  
    27  	s := newTestMemoryStorage(withPeers(1))
    28  	rn := newTestRawNode(1, 10, 1, s)
    29  	n := newNode(rn)
    30  	go n.run()
    31  
    32  	defer n.Stop()
    33  
    34  	n.Campaign(ctx)
    35  	go func() {
    36  		for i := 0; i < b.N; i++ {
    37  			n.Propose(ctx, []byte("foo"))
    38  		}
    39  	}()
    40  
    41  	for {
    42  		rd := <-n.Ready()
    43  		s.Append(rd.Entries)
    44  		// a reasonable disk sync latency
    45  		time.Sleep(1 * time.Millisecond)
    46  		n.Advance()
    47  		if rd.HardState.Commit == uint64(b.N+1) {
    48  			return
    49  		}
    50  	}
    51  }
    52
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