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August 4, 2013 01:57
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/** | |
* Copyright (C) 2010-2013 Alibaba Group Holding Limited | |
* | |
* Licensed 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 com.alibaba.rocketmq.example.benchmark; | |
import java.util.LinkedList; | |
import java.util.List; | |
import java.util.Timer; | |
import java.util.TimerTask; | |
import java.util.concurrent.atomic.AtomicLong; | |
import com.alibaba.rocketmq.client.consumer.DefaultMQPushConsumer; | |
import com.alibaba.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext; | |
import com.alibaba.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus; | |
import com.alibaba.rocketmq.client.consumer.listener.MessageListenerConcurrently; | |
import com.alibaba.rocketmq.client.exception.MQClientException; | |
import com.alibaba.rocketmq.common.consumer.ConsumeFromWhere; | |
import com.alibaba.rocketmq.common.message.MessageExt; | |
/** | |
* 性能测试,订阅消息 | |
* | |
* @author shijia.wxr<vintage.wang@gmail.com> | |
* @since 2013-7-16 | |
*/ | |
public class Consumer { | |
public static void main(String[] args) throws MQClientException { | |
final StatsBenchmarkConsumer statsBenchmarkConsumer = new StatsBenchmarkConsumer(); | |
final Timer timer = new Timer("BenchmarkTimerThread", true); | |
final LinkedList<Long[]> snapshotList = new LinkedList<Long[]>(); | |
timer.scheduleAtFixedRate(new TimerTask() { | |
@Override | |
public void run() { | |
snapshotList.addLast(statsBenchmarkConsumer.createSnapshot()); | |
if (snapshotList.size() > 10) { | |
snapshotList.removeFirst(); | |
} | |
} | |
}, 1000, 1000); | |
timer.scheduleAtFixedRate(new TimerTask() { | |
private void printStats() { | |
if (snapshotList.size() >= 10) { | |
Long[] begin = snapshotList.getFirst(); | |
Long[] end = snapshotList.getLast(); | |
final long consumeTps = | |
(long) (((end[1] - begin[1]) / (double) (end[0] - begin[0])) * 1000L); | |
final double averageB2CRT = ((end[2] - begin[2]) / (double) (end[1] - begin[1])); | |
final double averageS2CRT = ((end[3] - begin[3]) / (double) (end[1] - begin[1])); | |
System.out.printf( | |
"Consume TPS: %d Average(B2C) RT: %7.3f Average(S2C) RT: %7.3f MAX(B2C) RT: %d MAX(S2C) RT: %d\n"// | |
, consumeTps// | |
, averageB2CRT// | |
, averageS2CRT// | |
, end[4]// | |
, end[5]// | |
); | |
} | |
} | |
@Override | |
public void run() { | |
try { | |
this.printStats(); | |
} | |
catch (Exception e) { | |
e.printStackTrace(); | |
} | |
} | |
}, 10000, 10000); | |
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("benchmark_consumer"); | |
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_MAX_OFFSET); | |
consumer.subscribe("BenchmarkTest", "*"); | |
consumer.registerMessageListener(new MessageListenerConcurrently() { | |
@Override | |
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, | |
ConsumeConcurrentlyContext context) { | |
MessageExt msg = msgs.get(0); | |
long now = System.currentTimeMillis(); | |
// 1 | |
statsBenchmarkConsumer.getReceiveMessageTotalCount().incrementAndGet(); | |
// 2 | |
long born2ConsumerRT = now - msg.getBornTimestamp(); | |
statsBenchmarkConsumer.getBorn2ConsumerTotalRT().addAndGet(born2ConsumerRT); | |
// 3 | |
long store2ConsumerRT = now - msg.getStoreTimestamp(); | |
statsBenchmarkConsumer.getStore2ConsumerTotalRT().addAndGet(store2ConsumerRT); | |
// 4 | |
compareAndSetMax(statsBenchmarkConsumer.getBorn2ConsumerMaxRT(), born2ConsumerRT); | |
// 5 | |
compareAndSetMax(statsBenchmarkConsumer.getStore2ConsumerMaxRT(), store2ConsumerRT); | |
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS; | |
} | |
}); | |
consumer.start(); | |
System.out.println("Consumer Started."); | |
} | |
public static void compareAndSetMax(final AtomicLong target, final long value) { | |
long prev = target.get(); | |
while (value > prev) { | |
boolean updated = target.compareAndSet(prev, value); | |
if (updated) | |
break; | |
prev = target.get(); | |
} | |
} | |
} | |
class StatsBenchmarkConsumer { | |
// 1 | |
private final AtomicLong receiveMessageTotalCount = new AtomicLong(0L); | |
// 2 | |
private final AtomicLong born2ConsumerTotalRT = new AtomicLong(0L); | |
// 3 | |
private final AtomicLong store2ConsumerTotalRT = new AtomicLong(0L); | |
// 4 | |
private final AtomicLong born2ConsumerMaxRT = new AtomicLong(0L); | |
// 5 | |
private final AtomicLong store2ConsumerMaxRT = new AtomicLong(0L); | |
public Long[] createSnapshot() { | |
Long[] snap = new Long[] {// | |
System.currentTimeMillis(),// | |
this.receiveMessageTotalCount.get(),// | |
this.born2ConsumerTotalRT.get(),// | |
this.store2ConsumerTotalRT.get(),// | |
this.born2ConsumerMaxRT.get(),// | |
this.store2ConsumerMaxRT.get(), // | |
}; | |
return snap; | |
} | |
public AtomicLong getReceiveMessageTotalCount() { | |
return receiveMessageTotalCount; | |
} | |
public AtomicLong getBorn2ConsumerTotalRT() { | |
return born2ConsumerTotalRT; | |
} | |
public AtomicLong getStore2ConsumerTotalRT() { | |
return store2ConsumerTotalRT; | |
} | |
public AtomicLong getBorn2ConsumerMaxRT() { | |
return born2ConsumerMaxRT; | |
} | |
public AtomicLong getStore2ConsumerMaxRT() { | |
return store2ConsumerMaxRT; | |
} | |
} |
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