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问题描述
我使用的是oracle Advanced Queuing(AQ JMS)。我正在尝试使用多个线程来使用QueueReceiver来使用jms队列。
I am using oracle Advanced Queuing (AQ JMS). I am trying to use multiple threads to consume jms queue using QueueReceiver.
问题:此模型分叉多个线程,但性能仍然接近单线程模型。如何增加队列消耗?
Question: This model forks multiple threads, but performance is still close to single threaded model. How to increase queue consumption?
以下是代码snipet:
Following is code snipet:
final QueueReceiver queueReceiver = getQueueReceiver(queueSession);
qConn.start();
//THREAD POOL SIZE
final int threadPoolSize = getThreadCount();
final ExecutorService executor = Executors.newFixedThreadPool(threadPoolSize);
for (int i = 0; i < threadPoolSize; i++) {
executor.submit(new MessageWorker(queueReceiver));
}
消息工作者代码如下所示:
And message worker code looks like following:
class MessageWorker extends Thread {
MessageConsumer messageConsumer;
public MessageWorker(MessageConsumer subs) {
this.messageConsumer = subs;
}
/**
* @see java.lang.Thread#run()
*/
@Override
public void run() {
try {
while (true) {
try {
Message msg = messageConsumer.receive();
if (null != msg) {
//log message
logMessage(msg);
//handle message
handleMessage(msg);
//ack
msg.acknowledge();
}
} catch (JMSException e) {
log.error(e);
}
}
} catch (Exception e) {
log.error(e);
} finally {
log.info("Thread:" + this.getName() + " terminated.");
}
}
推荐答案
那里应该是每个线程的单独JMS会话。在您的代码段中似乎没有为每个线程创建会话。
There should be a separate JMS Session for each Thread. It doesn't seem like there is a session created for each Thread in your code snippet.
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