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Lillian
PostPosted: Tue Oct 12, 2004 1:22 am    Post subject: performance measurement Reply with quote

Centurion

Joined: 15 Apr 2002
Posts: 102
We are going through a performance exercise with WMQI2.1 CSD06 and need some input.

To measure the performance of each primitive we have a trace before and after the node. Our main concern is the output node where the time difference is 2.0 secs for a 800kb message(not persistent). The settings on the node are all default with a local queue definition.

- Is this the best way to measure mqsi... using traces?
- are there other settings for an output node that would minimise time?
- how can we measure time before the input node?
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Testo
PostPosted: Tue Oct 12, 2004 3:57 am    Post subject: SupportPac? Reply with quote

Centurion

Joined: 26 Feb 2003
Posts: 120
Location: Italy - Milan
I think you should get some hints from the supportpac IP03, a little Java tool that estimates throughput of messages. Not sure of the accuracy, but it does give you a relative idea of how performance is affected by having multiple Compute nodes, database hits, etc. It also take platforms into consideration (from the thread http://www.mqseries.net/phpBB2/viewtopic.php?t=12397&highlight=performance+wmqi ).

Hope this helps,
Cheers,
Andrea Tedone
IBM IT Specialist
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