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Old August 18th, 2006
lawrenzo's Avatar
lawrenzo Offline
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Join Date: July 2006
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Increase in system wait

Hello,

I have noticed an increase in cpu wait over the past few days

wait average has increase by 2% and I'd like to determine what has caused this increase.

2% is not necessary a high amount however the server is close to capacity and identifying the change will be a great help to the system

any idea's where I can look?

I have control on all cron jobs and changes to the system however some users sneak changes in through a 4ge program.

Many Thanks

Chris
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Old August 18th, 2006
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Re: Increase in system wait

Aye up !!

Have a look at the performance tools handbook for AIX5L (redbook). Chapter 35 talks about the curt command which is a tracing tool to create CPU reports etc. It is quite an interesting read but leans towards the internals of AIX quite heavily

IBM Redbooks | AIX 5L Performance Tools Handbook

HTH

Steve
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