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MQSeries.net Forum Index » IBM MQ Java / JMS » Multithreaded MQ design help needed

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boaz
PostPosted: Tue Aug 27, 2002 3:57 am    Post subject: Multithreaded MQ design help needed Reply with quote

Apprentice

Joined: 28 May 2002
Posts: 43
I have a Multi-threaded application running on a web server in client mode.
Each thread should send a message to MQ Queue manager.
1. Is handling a QueueSession per thread is enough - and then each thread will has its QueueSender.
2. Should I hanlde a QueueConnectionFactory/QueueConnection per thread as well?
3. When is the TCP connection established? when calling the QueueSender.send() or when QueueConnection.start() is called?
is the connection open till calling the QueueConnection.stop()?
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ram_2000
PostPosted: Wed Sep 11, 2002 1:38 am    Post subject: Reply with quote

Novice

Joined: 29 Mar 2002
Posts: 12
Location: Vancouver, Canada
First to answer your questions.....

1. Yes...you need one queueSession (queueSender) per thread. Session is not thread safe...

2. you could use the same qcf and queue connection...You can do this in the Servlet init()

3. connection.start() starts the MQI channel (TCP connection), this channel will be active until the connection is closed..

You can do this better with a pool of JMS sessions(and senders). This way you will need a lot fewer sessions (rather than one per thread...)
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boaz
PostPosted: Wed Sep 11, 2002 4:19 am    Post subject: Reply with quote

Apprentice

Joined: 28 May 2002
Posts: 43
Thanks!
Is there any design patern/sourse code for JMS Pool?
Boaz
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