etcd/tools/benchmark/cmd/range.go
2016-01-27 12:13:17 -08:00

105 lines
2.3 KiB
Go

// Copyright 2015 CoreOS, Inc.
//
// 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 cmd
import (
"fmt"
"os"
"time"
"github.com/coreos/etcd/Godeps/_workspace/src/github.com/cheggaaa/pb"
"github.com/coreos/etcd/Godeps/_workspace/src/github.com/spf13/cobra"
"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
"github.com/coreos/etcd/etcdserver/etcdserverpb"
)
// rangeCmd represents the range command
var rangeCmd = &cobra.Command{
Use: "range key [end-range]",
Short: "Benchmark range",
Run: rangeFunc,
}
var (
rangeTotal int
)
func init() {
RootCmd.AddCommand(rangeCmd)
rangeCmd.Flags().IntVar(&rangeTotal, "total", 10000, "Total number of range requests")
}
func rangeFunc(cmd *cobra.Command, args []string) {
if len(args) == 0 || len(args) > 2 {
fmt.Fprintln(os.Stderr, cmd.Usage())
os.Exit(1)
}
k := []byte(args[0])
var end []byte
if len(args) == 1 {
end = []byte(args[1])
}
results = make(chan result)
requests := make(chan etcdserverpb.RangeRequest, totalClients)
bar = pb.New(rangeTotal)
clients := mustCreateClients(totalClients, totalConns)
bar.Format("Bom !")
bar.Start()
for i := range clients {
wg.Add(1)
go doRange(clients[i].KV, requests)
}
pdoneC := printReport(results)
go func() {
for i := 0; i < rangeTotal; i++ {
requests <- etcdserverpb.RangeRequest{
Key: k,
RangeEnd: end}
}
close(requests)
}()
wg.Wait()
bar.Finish()
close(results)
<-pdoneC
}
func doRange(client etcdserverpb.KVClient, requests <-chan etcdserverpb.RangeRequest) {
defer wg.Done()
for req := range requests {
st := time.Now()
_, err := client.Range(context.Background(), &req)
var errStr string
if err != nil {
errStr = err.Error()
}
results <- result{errStr: errStr, duration: time.Since(st)}
bar.Increment()
}
}