Monitoring Interval Granularity (iostat)
- From: mkb <mkb125@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Fri, 15 Jul 2005 09:37:46 -0700 (PDT)
I hope this is not too off-topic, but here goes.
I have a linux system (RH AS 3.0) running Oracle 9iR2.
I'm monitoring disk usage on our RAID arrays by
executing iostat and capturing the output to a file.
Eventually, I'd like to plot the data out and see how
the disks are performing.
I'm currently executing iostat every 5 minutes. How
would one determine the interval granularity? I guess
it would depend on a lot of things.
So for example, if it's very busy take an iostat
snapshot every 5 or 10 minutes, say. If it's lightly
loaded, take a snapshot every minute perhaps?
Any thoughts?
--
mohammed
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