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MQSeries.net Forum Index » General IBM MQ Support » circular logging

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rdubey
PostPosted: Wed Aug 02, 2006 6:45 pm    Post subject: circular logging Reply with quote

Novice

Joined: 11 Jul 2006
Posts: 17
Location: USA
with circular logging we should never have situation where the /var/mqm
is full . is that correct ? irrespective of the message size and maxdepth and mesages being persistent or non persistent .non persistent messages are not logged anyways.
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obriencm
PostPosted: Wed Aug 02, 2006 11:17 pm    Post subject: Reply with quote

Acolyte

Joined: 31 Jan 2002
Posts: 64
Location: Ireland
With circular logging you should never use more space then you have allocated to the log files. However as your Qmgr files including the queue files are also stored under /var/mqm. If you use persistant messages you can fill a file system. if there are 100 5MB msgs sitting on a queue then the queue file will be 500MB in size. As such you need to ensure you have enough space in the file system to allow for times when msgs do build up on queues.
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jefflowrey
PostPosted: Thu Aug 03, 2006 1:29 am    Post subject: Reply with quote

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Joined: 16 Oct 2002
Posts: 19981
If you use non-persistent messages, you can fill the file system.

If nobody is reading messages, they go on the q file. No matter what.
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PeterPotkay
PostPosted: Thu Aug 03, 2006 1:35 pm    Post subject: Reply with quote

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Joined: 15 May 2001
Posts: 7722
Error and Trace files could fill up /var/mqm without a single message being put.
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Peter Potkay
Keep Calm and MQ On
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