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https://github.com/etcd-io/etcd.git
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382103af60
Reports depended on writing all results to a large buffered channel and reading from that synchronously. Similarly, requests were buffered the same way which can take significant memory on big request strings. Instead, have reports stream in results as they're produced then print when the results channel closes.
106 lines
2.5 KiB
Go
106 lines
2.5 KiB
Go
// Copyright 2015 CoreOS, Inc.
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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 cmd
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import (
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"time"
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"github.com/coreos/etcd/Godeps/_workspace/src/github.com/cheggaaa/pb"
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"github.com/coreos/etcd/Godeps/_workspace/src/github.com/spf13/cobra"
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"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
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"github.com/coreos/etcd/Godeps/_workspace/src/google.golang.org/grpc"
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"github.com/coreos/etcd/etcdserver/etcdserverpb"
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)
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// putCmd represents the put command
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var putCmd = &cobra.Command{
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Use: "put",
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Short: "Benchmark put",
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Run: putFunc,
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}
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var (
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keySize int
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valSize int
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putTotal int
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)
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func init() {
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RootCmd.AddCommand(putCmd)
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putCmd.Flags().IntVar(&keySize, "key-size", 8, "Key size of put request")
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putCmd.Flags().IntVar(&valSize, "val-size", 8, "Value size of put request")
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putCmd.Flags().IntVar(&putTotal, "total", 10000, "Total number of put requests")
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}
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func putFunc(cmd *cobra.Command, args []string) {
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results = make(chan result)
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requests := make(chan etcdserverpb.PutRequest, totalClients)
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bar = pb.New(putTotal)
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k, v := mustRandBytes(keySize), mustRandBytes(valSize)
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conns := make([]*grpc.ClientConn, totalConns)
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for i := range conns {
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conns[i] = mustCreateConn()
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}
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clients := make([]etcdserverpb.KVClient, totalClients)
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for i := range clients {
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clients[i] = etcdserverpb.NewKVClient(conns[i%int(totalConns)])
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}
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bar.Format("Bom !")
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bar.Start()
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for i := range clients {
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wg.Add(1)
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go doPut(context.Background(), clients[i], requests)
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}
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pdoneC := printReport(results)
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go func() {
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for i := 0; i < putTotal; i++ {
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requests <- etcdserverpb.PutRequest{Key: k, Value: v}
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}
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close(requests)
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}()
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wg.Wait()
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bar.Finish()
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close(results)
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<-pdoneC
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}
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func doPut(ctx context.Context, client etcdserverpb.KVClient, requests <-chan etcdserverpb.PutRequest) {
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defer wg.Done()
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for r := range requests {
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st := time.Now()
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_, err := client.Put(ctx, &r)
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var errStr string
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if err != nil {
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errStr = err.Error()
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}
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results <- result{errStr: errStr, duration: time.Since(st)}
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bar.Increment()
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}
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}
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