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| Message expiry |
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| Sunntu |
 Posted: Mon Aug 05, 2002 12:38 am Post subject: Message expiry |
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Novice
Joined: 04 Aug 2002
Posts: 11
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Hi,
What is the default message expiry time ? If I do not change the expiration time of a message how long would it remain in the queue ?
One more, if a persistent message expires (or will it expire ?) will it be discarded from the queue.
Regards
Sunntu |
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| PeterPotkay |
| Posted: Mon Aug 05, 2002 4:23 am Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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The default is -1, which means Unlimited;it will never expire.
A persistent message can expire, if you change the default value from Unlimited. Persistence simply means that until the message expires, if the QM goes down, the message will still be on the queue when the QM comes back up.
_________________
Peter Potkay
Keep Calm and MQ On |
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| poki |
| Posted: Mon Aug 05, 2002 1:34 pm Post subject: discard message |
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Newbie
Joined: 05 Aug 2002
Posts: 9
Location: US
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A message that has expired is never returned to an application ,so the value in the Expiry field of the message descriptor after a successful MQGET call is either greater than zero, or the special value MQEI_UNLIMITED.
If a message is put on a remote queue, the message may expire (and be discarded) whilst it is on an intermediate transmission queue, before the message reaches the destination queue. |
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| LearnMQSI |
| Posted: Fri Jan 10, 2003 11:12 am Post subject: MQMD Expiry |
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Centurion
Joined: 20 Aug 2002
Posts: 137
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Hi There,
If I want to make a message Unlimited explicitly, how do I code it?
should I say something like this:
MQMD.Expiry = Unlimited OR is there any other way of coding this?
Thanx and appreciate your help |
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| bower5932 |
| Posted: Fri Jan 10, 2003 12:42 pm Post subject: |
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Jedi Knight
Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
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| I think you want to use MQEI_UNLIMITED from cmqc.h. |
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| LearnMQSI |
| Posted: Fri Jan 10, 2003 1:17 pm Post subject: Expiry Value |
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Centurion
Joined: 20 Aug 2002
Posts: 137
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Hi Bower5932,
Thank you so much for your reply.
In order to use MQMD.Expiry = MQEI_UNLIMITED, do I have to mention cmqc.h name in my application?
Once again, thanx a lot for your help.
| bower5932 wrote: |
| I think you want to use MQEI_UNLIMITED from cmqc.h. |
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