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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » processing Huge BackLog

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RocknRambo
PostPosted: Wed Mar 23, 2005 2:19 pm    Post subject: processing Huge BackLog Reply with quote

Partisan

Joined: 24 Sep 2003
Posts: 355
We had an Issue....

One of our Destination System broke out and all the messages are queued up in the destination queue, from 1 week
the messages were thrown away once the system has come up.

so the source system has agreed to resend all of them, now the pblm is the backlog is apprx. 1.2 Million messages.

There are two Flows before the Broker routes to the destination queue.

what wud be the best way to reprocess...them, so tht Qmgr or CPU does'nt get overhead.

like ...making multiple instances of the Flow or...processing them in off peak hours

appreciate any thoughts for this.

-RR
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guest
PostPosted: Wed Mar 23, 2005 4:23 pm    Post subject: Reply with quote

Acolyte

Joined: 11 Aug 2003
Posts: 52
Increasing number of instances is like running multiple threads , increasing execution groups ( creating another execution group - clone of exsisting one) is equivalent to running multiple process.

Process scaling requires more CPU than Thread scaling , but process can give better performance than thread if applications are CPU intensive and otherway if its memory intensive.


--R
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Michael Dag
PostPosted: Thu Mar 24, 2005 3:02 am    Post subject: Reply with quote

Jedi Knight

Joined: 13 Jun 2002
Posts: 2607
Location: The Netherlands (Amsterdam)
on what platform?
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RocknRambo
PostPosted: Thu Mar 24, 2005 3:53 am    Post subject: Reply with quote

Partisan

Joined: 24 Sep 2003
Posts: 355
This is on HP-UX 11.0
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