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MQSeries.net Forum Index » IBM MQ Java / JMS » Single Receiver Queue - Multiple clients

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richdedeyan
PostPosted: Thu May 09, 2002 9:59 am    Post subject: Reply with quote

Newbie

Joined: 24 Apr 2002
Posts: 7

Hi All,

I am still new to MQSeries and had a basic question. Using the MQSeries Java classes, a client can connect to a sending queue that sends a message to an IBM Mainframe. The message is sent using a correlation id.

Using a timeout of a few seconds, the client waits on the receiving queue for the response message based with its correlation id.

My question is this: If there are many clients connecting simutaneously, would this cause any problems or bottlenecks on receiving messages?

Thanks for your help.

Sincerely,
Richard Dedeyan
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mrlinux
PostPosted: Thu May 09, 2002 10:27 am    Post subject: Reply with quote

Grand Master

Joined: 14 Feb 2002
Posts: 1261
Location: Detroit,MI USA

Well the answer depends on you MQSeries version, IBM has changed the performance
of MQSeries(FASTER) that it is better now to use correlid and limitied number of reply Q's , it used to be they would recommend using seprate reply queues for each process.

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amurugan
PostPosted: Thu May 09, 2002 5:03 pm    Post subject: Reply with quote

Voyager

Joined: 10 Sep 2001
Posts: 75
Location: india

hi richard ,

I completely agree with MRLinux . what he said is really true . May be you can use design patterns to improve the performance like caching the objects and reusing it so that even if there are many clients you can effectivel reuse the connection and in the latest mqseries java MA088 version ibm has given the facility for connection pooling i think you should look into this which will definitely help you

cheers,
Murugan
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richdedeyan
PostPosted: Fri May 10, 2002 5:37 am    Post subject: Reply with quote

Newbie

Joined: 24 Apr 2002
Posts: 7

Thanks to everyone for the information, it has really helped!

- Richard
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