| Gather statistics for scale up / down decision process [message #355908] |
Tue, 28 October 2008 08:09  |
tsteinmaurer
Messages: 12
Registered: October 2008
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Junior Member |
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Hello,
I'm looking for a way to gather statistics and interpret the result accordingly for a scale up or scale down decision process regarding CPU / cores.
So, basically:
* How can I gather statistics over a period of time as input for a decision process?
* How can I interpret them in an easy way, or are there any best practices on when scaling up / down CPU/Core wise makes sense (e.g. a particular statistic value is beyond a certain limit ...)
Any help is much appreciated.
Thanks,
Thomas
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| Re: Gather statistics for scale up / down decision process [message #357238 is a reply to message #355908] |
Tue, 04 November 2008 07:03  |
JRowbottom
Messages: 5933
Registered: June 2006
Location: Sunny North Yorkshire, ho...
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Senior Member |
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If I interpret your management speak correctly, you're trying to find out if you need a faster processor, or if you can save money on your licenses by downgrading to s slower processor.
Run Statspack for a 5-15 minute interval several times a day, and have a look at the wait events. If you are cpu-bound, you'll see 'CPU Time' cropping up as a significant part of your wait events.
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