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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Prevent QM in Cluster from taking other QM's message.

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abhyyy
PostPosted: Mon Jun 10, 2013 9:25 pm    Post subject: Prevent QM in Cluster from taking other QM's message. Reply with quote

Voyager

Joined: 29 Sep 2011
Posts: 83
Hi Friends,

Scenario : 4 QMs are in a cluster and a flow 'flow1' is deployed on all the QMs. Now 'flow1' has an MQget node which waits for trigger message on Queue2 so that it can process the incoming message from Queue1.

Problem : QM1 has accepted the incoming message from Queue1 in round robin fashion and now flow on QM1 is waiting for trigger on Queue2 so that input message can be processed further BUT as soon as the trigger message arrives on Queue2, its taken up by QM2 and QM1 keeps waiting, which is to be prevented. How to solve this problem ??

Would Appreciate your insight on this. Many thanks.
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fjb_saper
PostPosted: Tue Jun 11, 2013 2:19 am    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
you need MQ 7.5 and set round robbin to group. Then send the message and the trigger in the same group.

The right thing however would be to send the full transaction in one message. You could then have a process that separates data and trigger that runs on the target qmgr so that both messages would be on the target QM.

Have fun
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mqjeff
PostPosted: Tue Jun 11, 2013 3:22 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447
fjb_saper wrote:
you need MQ 7.5 and set round robbin to group. Then send the message and the trigger in the same group.
or set bind-on-open[/quote]

fjb_saper wrote:
The right thing however would be to send the full transaction in one message.

Yes, this.

Why are you sending a message to let someone know that you're going to send a message? Just send a message.
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