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MQSeries.net Forum Index » IBM MQ Java / JMS » short pause in Publisher

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lwl
PostPosted: Wed May 12, 2004 6:59 pm    Post subject: short pause in Publisher Reply with quote

Apprentice

Joined: 30 Mar 2004
Posts: 41
Hi,

I use MQ v5.3 and pub/sub with Event Broker 2.1.
I have a simple publisher program written in JMS. It is to publish message to broker's QM with configurable rate (say N messages per second). It is found that in heavy rate (say 20 message per second) case, the publisher will have short pauses (say 2-3 secod). I think the CPU and memory capacity of the machine running the broker and QM is enough.

What is the problem with it? What things in MQ I need to check?

Thank you,
lwl
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bower5932
PostPosted: Wed May 12, 2004 7:03 pm    Post subject: Reply with quote

Jedi Knight

Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
How many subscribers do you have? Are they actually active when you are publishing? Are they JMSIPOptimizedFlow subscribers or are they regular subscribers? If regular, are they durable subscribers? Are they sharing a queue for their messages? What operating system are you on?
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lwl
PostPosted: Thu May 13, 2004 4:49 pm    Post subject: Reply with quote

Apprentice

Joined: 30 Mar 2004
Posts: 41
1. 1 subscriber
2. yes it is active.
3. regular subscriber
4. durable
5. use JMS-Broker default queue (i think is SYSTEM.JMS.D.SUBSCRIBER.QUEUE)
6. os is solaris 8

thank you for your advise
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