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MQSeries.net Forum Index » Mainframe, CICS, TXSeries » CICS Init Queue Design

CICS Init Queue Design

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cehughesiii

Posted: Wed Feb 20, 2008 10:21 am Post subject: CICS Init Queue Design

Newbie

Joined: 25 Oct 2007
Posts: 3

Is there a general standard for the use of Init Queues for CICS? Can/Should a single Init Queue be used for all CICS regions? Is it better to have an Init Queue for each region? I've searched through the posts, but haven't really found a sufficient answer.

Our CICS support group has proposed "per-region" Init Queues, but this is actually new territory for us. I see no reason we couldn't do it as they suggest, but wondered about common practices.

Thanks,

3

PeterPotkay

Posted: Wed Feb 20, 2008 11:43 am Post subject:

Poobah

Joined: 15 May 2001
Posts: 7722

Moved to mainframe forum.

If every CICS region has all the same programs than one INIT q can work becasue it won't matter which CICS Region gets started. The problem then is how do you insure that CICS Region 1 isn't triggered way more the CICS Region 2. Both will race for any trigger messages generated to that one INIT queue and its purely random as to which one will get the next one. Maybe its not a problem at the end of the day the region 1 did 80% of the messages and 2 only did 20%. Maybe it is.
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Peter Potkay
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