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| Circular logging |
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| Query2 |
 Posted: Wed Nov 28, 2001 10:15 am Post subject: |
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Novice
Joined: 05 Nov 2001
Posts: 17
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| What happens when there are too many long running transactions and you are using circular logging? |
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| kolban |
| Posted: Wed Nov 28, 2001 10:31 am Post subject: |
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Grand Master
Joined: 22 May 2001
Posts: 1072
Location: Fort Worth, TX, USA
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| I believe that no new transactions can start, possibly old transactions are rolledback and/or the queue manager shuts down. Best advice is not to let this happen and size the logs for maximum. In practice, short of an application code problem, I rarely see this happen. |
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| bduncan |
| Posted: Thu Dec 06, 2001 10:40 am Post subject: |
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Padawan
Joined: 11 Apr 2001
Posts: 1554
Location: Silicon Valley
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I would disagree, in that I've seen this problem a LOT when there wasn't anything wrong with the application; instead, the queue manager had an insufficient number of circular logs available. So even a properly coded app would cause these errors under heavy load (especially when multiple copies would run in parallel)....
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Brandon Duncan
IBM Certified MQSeries Specialist
MQSeries.net forum moderator |
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