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| AMQ6709: The log for the Queue manager is full |
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| abiondo |
 Posted: Mon Jul 14, 2008 7:30 am Post subject: AMQ6709: The log for the Queue manager is full |
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Novice
Joined: 30 Aug 2007
Posts: 21
Location: Philadelphia, PA
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We were running with 3 primary log files and 3 secondary log files in a circular log. I increased the size to 15 primary and 7 secondary. I was wondering if there is any log maintenance I should be performing like purging the logs.
thanks,
Anthony
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Anthony J Biondo Jr
Manager, Web Services
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| alphamale |
| Posted: Mon Jul 14, 2008 8:14 am Post subject: |
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Joined: 09 Feb 2005
Posts: 12
Location: UK
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The benefit of using circular logs (as opposed to linear) is that you don't have to do any log maintenance (in fact can't do any) - the QMgr will cycle through the logs as they fill up, and once all are full it will go back and start at the first again.
This will only be a problem if you have a transaction that spans all of the available log files such that the QMgr cannot start to reuse them again - in which case look at why the transaction is so big, or allocate more log files as you have. |
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| abiondo |
| Posted: Mon Jul 14, 2008 8:17 am Post subject: |
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Joined: 30 Aug 2007
Posts: 21
Location: Philadelphia, PA
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Thanks - That makes sense!
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Anthony J Biondo Jr
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| bruce2359 |
| Posted: Mon Jul 14, 2008 10:32 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| Quote: |
| ...once all are full it will go back and start at the first again. |
The downside to circular logs is exactly the same as the benefit you stated, namely: the number of log segments is fixed.
Once all log segments are full AND all contain active units of work in-flight, the qmgr cannot re-use the oldest one again.
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