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| Question of MQMD Header |
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| satyasheel15 |
 Posted: Thu May 20, 2004 10:19 am Post subject: Question of MQMD Header |
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Voyager
Joined: 04 Mar 2003
Posts: 86
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Question:
The expiry property on mqmd for a MQ message. How does it work?
My understanding currently is that it is set in msecs. And at every hop, the expiry time decreases . However, during test, we see that the message lasts in the queue much longer than what we set it .
Please advise |
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| jefflowrey |
| Posted: Thu May 20, 2004 10:28 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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This is not a WMQI specific question.
Have you searched the forums for 'Expiry'? Have you looked in the Application Programming Guide?
Please take some time to do research before asking simple questions.
Messages do not expire until someone tries to get them. Ever. Except on z/OS.
_________________
I am *not* the model of the modern major general. |
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| kirani |
| Posted: Thu May 20, 2004 2:19 pm Post subject: |
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Jedi Knight
Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA
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Moved to "General Support" forum.
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Kiran
IBM Cert. Solution Designer & System Administrator - WBIMB V5
IBM Cert. Solutions Expert - WMQI
IBM Cert. Specialist - WMQI, MQSeries
IBM Cert. Developer - MQSeries
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| JasonE |
| Posted: Fri May 21, 2004 4:38 am Post subject: |
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Grand Master
Joined: 03 Nov 2003
Posts: 1220
Location: Hursley
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One thing to note with expiry:
| Quote: |
| However, during test, we see that the message lasts in the queue much longer than what we set it . |
A queue's curdepth includes messages which are expired. They only get removed from the queue when the queue manager happens to scan by an expired message. Eg. put with short expiry, let it expire, dis ql(*) curdepth shows 1, but amqsbcg shows nothing, and then dis ql(*) curdepth shows 0. |
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