mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
127 lines
3.3 KiB
Go
127 lines
3.3 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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"crypto/rand"
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"fmt"
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"os"
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"runtime/pprof"
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"time"
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"github.com/coreos/etcd/lease"
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"github.com/coreos/etcd/pkg/report"
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"github.com/spf13/cobra"
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)
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// mvccPutCmd represents a storage put performance benchmarking tool
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var mvccPutCmd = &cobra.Command{
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Use: "put",
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Short: "Benchmark put performance of storage",
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Run: mvccPutFunc,
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}
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var (
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totalNrKeys int
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storageKeySize int
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valueSize int
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txn bool
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)
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func init() {
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mvccCmd.AddCommand(mvccPutCmd)
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mvccPutCmd.Flags().IntVar(&totalNrKeys, "total", 100, "a total number of keys to put")
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mvccPutCmd.Flags().IntVar(&storageKeySize, "key-size", 64, "a size of key (Byte)")
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mvccPutCmd.Flags().IntVar(&valueSize, "value-size", 64, "a size of value (Byte)")
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mvccPutCmd.Flags().BoolVar(&txn, "txn", false, "put a key in transaction or not")
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// TODO: after the PR https://github.com/spf13/cobra/pull/220 is merged, the below pprof related flags should be moved to RootCmd
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mvccPutCmd.Flags().StringVar(&cpuProfPath, "cpuprofile", "", "the path of file for storing cpu profile result")
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mvccPutCmd.Flags().StringVar(&memProfPath, "memprofile", "", "the path of file for storing heap profile result")
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}
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func createBytesSlice(bytesN, sliceN int) [][]byte {
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rs := make([][]byte, sliceN)
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for i := range rs {
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rs[i] = make([]byte, bytesN)
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if _, err := rand.Read(rs[i]); err != nil {
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panic(err)
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}
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}
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return rs
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}
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func mvccPutFunc(cmd *cobra.Command, args []string) {
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if cpuProfPath != "" {
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f, err := os.Create(cpuProfPath)
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if err != nil {
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fmt.Fprintln(os.Stderr, "Failed to create a file for storing cpu profile result: ", err)
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os.Exit(1)
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}
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err = pprof.StartCPUProfile(f)
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if err != nil {
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fmt.Fprintln(os.Stderr, "Failed to start cpu profile: ", err)
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os.Exit(1)
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}
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defer pprof.StopCPUProfile()
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}
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if memProfPath != "" {
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f, err := os.Create(memProfPath)
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if err != nil {
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fmt.Fprintln(os.Stderr, "Failed to create a file for storing heap profile result: ", err)
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os.Exit(1)
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}
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defer func() {
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err := pprof.WriteHeapProfile(f)
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if err != nil {
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fmt.Fprintln(os.Stderr, "Failed to write heap profile result: ", err)
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// can do nothing for handling the error
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}
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}()
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}
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keys := createBytesSlice(storageKeySize, totalNrKeys)
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vals := createBytesSlice(valueSize, totalNrKeys)
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r := newReport()
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rrc := r.Results()
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rc := r.Run()
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for i := 0; i < totalNrKeys; i++ {
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st := time.Now()
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if txn {
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id := s.TxnBegin()
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if _, err := s.TxnPut(id, keys[i], vals[i], lease.NoLease); err != nil {
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fmt.Fprintln(os.Stderr, "txn put error:", err)
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os.Exit(1)
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}
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s.TxnEnd(id)
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} else {
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s.Put(keys[i], vals[i], lease.NoLease)
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}
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rrc <- report.Result{Start: st, End: time.Now()}
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}
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close(r.Results())
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fmt.Printf("%s", <-rc)
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}
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