mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
114 lines
3.0 KiB
Go
114 lines
3.0 KiB
Go
// Copyright 2017 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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"encoding/binary"
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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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// txnPutCmd represents the txnPut command
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var txnPutCmd = &cobra.Command{
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Use: "txn-put",
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Short: "Benchmark txn-put",
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Run: txnPutFunc,
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}
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var (
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txnPutTotal int
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txnPutRate int
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txnPutOpsPerTxn int
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)
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func init() {
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RootCmd.AddCommand(txnPutCmd)
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txnPutCmd.Flags().IntVar(&keySize, "key-size", 8, "Key size of txn put")
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txnPutCmd.Flags().IntVar(&valSize, "val-size", 8, "Value size of txn put")
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txnPutCmd.Flags().IntVar(&txnPutOpsPerTxn, "txn-ops", 1, "Number of puts per txn")
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txnPutCmd.Flags().IntVar(&txnPutRate, "rate", 0, "Maximum txns per second (0 is no limit)")
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txnPutCmd.Flags().IntVar(&txnPutTotal, "total", 10000, "Total number of txn requests")
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txnPutCmd.Flags().IntVar(&keySpaceSize, "key-space-size", 1, "Maximum possible keys")
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}
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func txnPutFunc(_ *cobra.Command, _ []string) {
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if keySpaceSize <= 0 {
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fmt.Fprintf(os.Stderr, "expected positive --key-space-size, got (%v)", keySpaceSize)
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os.Exit(1)
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}
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if txnPutOpsPerTxn > keySpaceSize {
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fmt.Fprintf(os.Stderr, "expected --txn-ops no larger than --key-space-size, "+
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"got txn-ops(%v) key-space-size(%v)\n", txnPutOpsPerTxn, keySpaceSize)
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os.Exit(1)
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}
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requests := make(chan []v3.Op, totalClients)
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if txnPutRate == 0 {
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txnPutRate = math.MaxInt32
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}
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limit := rate.NewLimiter(rate.Limit(txnPutRate), 1)
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clients := mustCreateClients(totalClients, totalConns)
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k, v := make([]byte, keySize), string(mustRandBytes(valSize))
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bar = pb.New(txnPutTotal)
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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 ops := range requests {
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limit.Wait(context.Background())
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st := time.Now()
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_, err := c.Txn(context.TODO()).Then(ops...).Commit()
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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 < txnPutTotal; i++ {
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ops := make([]v3.Op, txnPutOpsPerTxn)
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for j := 0; j < txnPutOpsPerTxn; j++ {
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binary.PutVarint(k, int64(((i*txnPutOpsPerTxn)+j)%keySpaceSize))
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ops[j] = v3.OpPut(string(k), v)
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}
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requests <- ops
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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.Println(<-rc)
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}
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