mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
126 lines
3.0 KiB
Go
126 lines
3.0 KiB
Go
// Copyright 2015 The etcd Authors
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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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"context"
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"fmt"
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"math"
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"os"
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"time"
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v3 "go.etcd.io/etcd/client/v3"
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"go.etcd.io/etcd/pkg/v3/report"
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"github.com/cheggaaa/pb/v3"
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"github.com/spf13/cobra"
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"golang.org/x/time/rate"
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)
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// rangeCmd represents the range command
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var rangeCmd = &cobra.Command{
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Use: "range key [end-range]",
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Short: "Benchmark range",
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Run: rangeFunc,
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}
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var (
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rangeRate int
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rangeTotal int
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rangeConsistency string
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rangeLimit int64
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rangeCountOnly bool
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)
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func init() {
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RootCmd.AddCommand(rangeCmd)
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rangeCmd.Flags().IntVar(&rangeRate, "rate", 0, "Maximum range requests per second (0 is no limit)")
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rangeCmd.Flags().IntVar(&rangeTotal, "total", 10000, "Total number of range requests")
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rangeCmd.Flags().StringVar(&rangeConsistency, "consistency", "l", "Linearizable(l) or Serializable(s)")
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rangeCmd.Flags().Int64Var(&rangeLimit, "limit", 0, "Maximum number of results to return from range request (0 is no limit)")
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rangeCmd.Flags().BoolVar(&rangeCountOnly, "count-only", false, "Only returns the count of keys")
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}
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func rangeFunc(cmd *cobra.Command, args []string) {
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if len(args) == 0 || len(args) > 2 {
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fmt.Fprintln(os.Stderr, cmd.Usage())
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os.Exit(1)
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}
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k := args[0]
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end := ""
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if len(args) == 2 {
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end = args[1]
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}
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if rangeConsistency == "l" {
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fmt.Println("bench with linearizable range")
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} else if rangeConsistency == "s" {
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fmt.Println("bench with serializable range")
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} else {
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fmt.Fprintln(os.Stderr, cmd.Usage())
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os.Exit(1)
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}
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if rangeRate == 0 {
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rangeRate = math.MaxInt32
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}
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limit := rate.NewLimiter(rate.Limit(rangeRate), 1)
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requests := make(chan v3.Op, totalClients)
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clients := mustCreateClients(totalClients, totalConns)
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bar = pb.New(rangeTotal)
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bar.Start()
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r := newReport()
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for i := range clients {
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wg.Add(1)
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go func(c *v3.Client) {
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defer wg.Done()
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for op := range requests {
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limit.Wait(context.Background())
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st := time.Now()
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_, err := c.Do(context.Background(), op)
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r.Results() <- report.Result{Err: err, Start: st, End: time.Now()}
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bar.Increment()
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}
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}(clients[i])
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}
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go func() {
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for i := 0; i < rangeTotal; i++ {
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opts := []v3.OpOption{v3.WithRange(end), v3.WithLimit(rangeLimit)}
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if rangeCountOnly {
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opts = append(opts, v3.WithCountOnly())
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}
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if rangeConsistency == "s" {
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opts = append(opts, v3.WithSerializable())
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}
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op := v3.OpGet(k, opts...)
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requests <- op
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}
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close(requests)
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}()
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rc := r.Run()
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wg.Wait()
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close(r.Results())
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bar.Finish()
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fmt.Printf("%s", <-rc)
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}
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