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How to do Performance monitoring and tuning in AIX

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Operating Systems AIX How to do Performance monitoring and tuning in AIX
# 1  
Old 05-26-2009
How to do Performance monitoring and tuning in AIX
How to do Performance monitoring and tuning in AIX.
# 2  
Old 05-26-2009
using iostat cmd u can check the per of cpu and dev etc

iostat -T -d hdisk0 .....
# 3  
Old 05-27-2009
There are several Redbooks from IBM out there downloadable as PDF which you can check. Also check out Jaqui's AIX Performance and Security Blog

1st choices for monitoring are the following:
  • vmstat
  • sar
  • topas
  • nmon

With one of those you can get a 1st impression. For further investigation, there are more specialized commands. Make sure you read up a lot before changing parameters. Also don't change too many at once, just as a guideline.
The man pages of vmo and ioo also explain a lot of essential parameters.
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