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main.go
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main.go
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// Copyright 2018 The tiglabs raft 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 main
import (
"flag"
"io/ioutil"
"math/rand"
"os"
"time"
"fmt"
"github.com/tiglabs/raft/proto"
"github.com/tiglabs/raft/storage/wal"
)
var n = flag.Int("n", 100000, "requests")
var l = flag.Int("l", 1024, "entry data length")
const letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
func randomEntry(rnd *rand.Rand, index uint64) *proto.Entry {
data := make([]byte, *l)
for i := 0; i < *l; i++ {
data[i] = letters[rnd.Int()%len(letters)]
}
ent := &proto.Entry{
Index: index,
Type: proto.EntryNormal,
Term: uint64(rnd.Uint32()),
Data: data,
}
return ent
}
func main() {
flag.Parse()
dir, err := ioutil.TempDir(os.TempDir(), "db_bench_")
if err != nil {
panic(err)
}
s, err := wal.NewStorage(dir, nil)
if err != nil {
panic(err)
}
start := time.Now()
rnd := rand.New(rand.NewSource(time.Now().UnixNano()))
reqs := *n
for i := 0; i < reqs; i++ {
ent := randomEntry(rnd, uint64(i))
if err := s.StoreEntries([]*proto.Entry{ent}); err != nil {
panic(err)
}
}
spend := time.Since(start)
ops := (int64(reqs) * 1000) / (spend.Nanoseconds() / 1000000)
fmt.Printf("write %d entries spend: %v, ops: %v\n", reqs, spend, ops)
}