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consumer.go
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consumer.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"context"
"flag"
"fmt"
"github.com/apache/rocketmq-client-go/v2"
"github.com/apache/rocketmq-client-go/v2/consumer"
"github.com/apache/rocketmq-client-go/v2/primitive"
"github.com/apache/rocketmq-client-go/v2/rlog"
"os"
"os/signal"
"sync"
"sync/atomic"
"syscall"
"time"
)
type statiBenchmarkConsumerSnapshot struct {
receiveMessageTotal int64
born2ConsumerTotalRT int64
store2ConsumerTotalRT int64
born2ConsumerMaxRT int64
store2ConsumerMaxRT int64
createdAt time.Time
next *statiBenchmarkConsumerSnapshot
}
type consumeSnapshots struct {
sync.RWMutex
head, tail, cur *statiBenchmarkConsumerSnapshot
len int
}
func (s *consumeSnapshots) takeSnapshot() {
b := s.cur
sn := new(statiBenchmarkConsumerSnapshot)
sn.receiveMessageTotal = atomic.LoadInt64(&b.receiveMessageTotal)
sn.born2ConsumerMaxRT = atomic.LoadInt64(&b.born2ConsumerMaxRT)
sn.born2ConsumerTotalRT = atomic.LoadInt64(&b.born2ConsumerTotalRT)
sn.store2ConsumerMaxRT = atomic.LoadInt64(&b.store2ConsumerMaxRT)
sn.store2ConsumerTotalRT = atomic.LoadInt64(&b.store2ConsumerTotalRT)
sn.createdAt = time.Now()
s.Lock()
if s.tail != nil {
s.tail.next = sn
}
s.tail = sn
if s.head == nil {
s.head = s.tail
}
s.len++
if s.len > 10 {
s.head = s.head.next
s.len--
}
s.Unlock()
}
func (s *consumeSnapshots) printStati() {
s.RLock()
if s.len < 10 {
s.RUnlock()
return
}
f, l := s.head, s.tail
respSucCount := float64(l.receiveMessageTotal - f.receiveMessageTotal)
consumeTps := respSucCount / l.createdAt.Sub(f.createdAt).Seconds()
avgB2CRT := float64(l.born2ConsumerTotalRT-f.born2ConsumerTotalRT) / respSucCount
avgS2CRT := float64(l.store2ConsumerTotalRT-f.store2ConsumerTotalRT) / respSucCount
s.RUnlock()
rlog.Info("Benchmark Consumer Snapshot", map[string]interface{}{
"consumeTPS": int64(consumeTps),
"average(B2C)RT": avgB2CRT,
"average(S2C)RT": avgS2CRT,
"max(B2C)RT": l.born2ConsumerMaxRT,
"max(S2C)RT": l.store2ConsumerMaxRT,
})
}
type consumerBenchmark struct {
topic string
groupPrefix string
nameSrv string
isPrefixEnable bool
filterType string
expression string
testMinutes int
instanceCount int
flags *flag.FlagSet
groupID string
}
func init() {
c := &consumerBenchmark{}
flags := flag.NewFlagSet("consumer", flag.ExitOnError)
c.flags = flags
flags.StringVar(&c.topic, "t", "BenchmarkTest", "topic")
flags.StringVar(&c.groupPrefix, "g", "benchmark_consumer", "group prefix")
flags.StringVar(&c.nameSrv, "n", "", "namesrv address list, separated by comma")
flags.BoolVar(&c.isPrefixEnable, "p", true, "group prefix is enable")
flags.StringVar(&c.filterType, "f", "", "filter type,options:TAG|SQL92, or empty")
flags.StringVar(&c.expression, "e", "*", "expression")
flags.IntVar(&c.testMinutes, "m", 10, "test minutes")
flags.IntVar(&c.instanceCount, "i", 1, "instance count")
registerCommand("consumer", c)
}
func (bc *consumerBenchmark) consumeMsg(stati *statiBenchmarkConsumerSnapshot, exit chan struct{}) {
c, err := rocketmq.NewPushConsumer(
consumer.WithGroupName(bc.groupID),
consumer.WithNameServer([]string{bc.nameSrv}),
)
if err != nil {
panic("new push consumer error:" + err.Error())
}
selector := consumer.MessageSelector{}
err = c.Subscribe(bc.topic, selector, func(ctx context.Context,
msgs ...*primitive.MessageExt) (consumer.ConsumeResult, error) {
for _, msg := range msgs {
atomic.AddInt64(&stati.receiveMessageTotal, 1)
now := time.Now().UnixNano() / int64(time.Millisecond)
b2cRT := now - msg.BornTimestamp
atomic.AddInt64(&stati.born2ConsumerTotalRT, b2cRT)
s2cRT := now - msg.StoreTimestamp
atomic.AddInt64(&stati.store2ConsumerTotalRT, s2cRT)
for {
old := atomic.LoadInt64(&stati.born2ConsumerMaxRT)
if old >= b2cRT || atomic.CompareAndSwapInt64(&stati.born2ConsumerMaxRT, old, b2cRT) {
break
}
}
for {
old := atomic.LoadInt64(&stati.store2ConsumerMaxRT)
if old >= s2cRT || atomic.CompareAndSwapInt64(&stati.store2ConsumerMaxRT, old, s2cRT) {
break
}
}
}
return consumer.ConsumeSuccess, nil
})
rlog.Info("Test Start", nil)
c.Start()
select {
case <-exit:
c.Shutdown()
return
}
}
func (bc *consumerBenchmark) run(args []string) {
bc.flags.Parse(args)
if bc.topic == "" {
rlog.Error("Empty Topic", nil)
bc.usage()
return
}
if bc.groupPrefix == "" {
rlog.Error("Empty Group Prefix", nil)
bc.usage()
return
}
if bc.nameSrv == "" {
rlog.Error("Empty Nameserver", nil)
bc.usage()
return
}
if bc.testMinutes <= 0 {
rlog.Error("Test Time Must Be Positive Integer", nil)
bc.usage()
return
}
if bc.instanceCount <= 0 {
rlog.Error("Thread Count Must Be Positive Integer", nil)
bc.usage()
return
}
bc.groupID = bc.groupPrefix
if bc.isPrefixEnable {
bc.groupID += fmt.Sprintf("_%d", time.Now().UnixNano()/int64(time.Millisecond)%100)
}
stati := statiBenchmarkConsumerSnapshot{}
snapshots := consumeSnapshots{cur: &stati}
exitChan := make(chan struct{})
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
bc.consumeMsg(&stati, exitChan)
wg.Done()
}()
// snapshot
wg.Add(1)
go func() {
defer wg.Done()
ticker := time.NewTicker(time.Second)
for {
select {
case <-ticker.C:
snapshots.takeSnapshot()
case <-exitChan:
ticker.Stop()
return
}
}
}()
// print statistic
wg.Add(1)
go func() {
defer wg.Done()
ticker := time.NewTicker(time.Second * 10)
for {
select {
case <-ticker.C:
snapshots.printStati()
case <-exitChan:
ticker.Stop()
return
}
}
}()
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
select {
case <-time.Tick(time.Minute * time.Duration(bc.testMinutes)):
case <-signalChan:
}
close(exitChan)
wg.Wait()
snapshots.takeSnapshot()
snapshots.printStati()
rlog.Info("Test Done", nil)
}
func (bc *consumerBenchmark) usage() {
bc.flags.Usage()
}