Merge pull request #7982 from heyitsanthony/watch-latency-clients
benchmark: support multiple clients/conns in watch-latency benchmarkrelease-3.2
commit
2a4db4307f
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@ -17,9 +17,10 @@ package cmd
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import (
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"fmt"
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"os"
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"sync"
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"time"
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v3 "github.com/coreos/etcd/clientv3"
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"github.com/coreos/etcd/clientv3"
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"github.com/coreos/etcd/pkg/report"
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"github.com/spf13/cobra"
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@ -47,19 +48,23 @@ var (
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func init() {
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RootCmd.AddCommand(watchLatencyCmd)
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watchLatencyCmd.Flags().IntVar(&watchLTotal, "total", 10000, "Total number of watch responses.")
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watchLatencyCmd.Flags().IntVar(&watchLTotal, "total", 10000, "Total number of put requests")
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watchLatencyCmd.Flags().IntVar(&watchLPutRate, "put-rate", 100, "Number of keys to put per second")
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watchLatencyCmd.Flags().IntVar(&watchLKeySize, "key-size", 32, "Key size of watch request")
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watchLatencyCmd.Flags().IntVar(&watchLValueSize, "val-size", 32, "Val size of watch request")
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watchLatencyCmd.Flags().IntVar(&watchLKeySize, "key-size", 32, "Key size of watch response")
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watchLatencyCmd.Flags().IntVar(&watchLValueSize, "val-size", 32, "Value size of watch response")
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}
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func watchLatencyFunc(cmd *cobra.Command, args []string) {
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key := string(mustRandBytes(watchLKeySize))
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value := string(mustRandBytes(watchLValueSize))
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client := mustCreateConn()
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stream := v3.NewWatcher(client)
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wch := stream.Watch(context.TODO(), key)
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clients := mustCreateClients(totalClients, totalConns)
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putClient := mustCreateConn()
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wchs := make([]clientv3.WatchChan, len(clients))
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for i := range wchs {
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wchs[i] = clients[i].Watch(context.TODO(), key)
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}
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bar = pb.New(watchLTotal)
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bar.Format("Bom !")
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@ -74,15 +79,29 @@ func watchLatencyFunc(cmd *cobra.Command, args []string) {
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if err := limiter.Wait(context.TODO()); err != nil {
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break
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}
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_, err := client.Put(context.TODO(), string(key), value)
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if err != nil {
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var st time.Time
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var wg sync.WaitGroup
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wg.Add(len(clients))
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barrierc := make(chan struct{})
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for _, wch := range wchs {
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ch := wch
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go func() {
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<-barrierc
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<-ch
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r.Results() <- report.Result{Start: st, End: time.Now()}
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wg.Done()
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}()
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}
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if _, err := putClient.Put(context.TODO(), key, value); err != nil {
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fmt.Fprintf(os.Stderr, "Failed to Put for watch latency benchmark: %v\n", err)
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os.Exit(1)
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}
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st := time.Now()
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<-wch
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r.Results() <- report.Result{Err: err, Start: st, End: time.Now()}
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st = time.Now()
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close(barrierc)
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wg.Wait()
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bar.Increment()
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}
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