Re: Diagnosing performance problems
From: Ric Davis (spam_at_fil.ion.ucl.ac.uk)
Date: 12/04/03
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Date: Thu, 4 Dec 2003 10:17:29 +0000
Vikas Agnihotri <fornewsgroups@vikas.mailshell.com> wrote:
> 1. Out of the usual 3 suspects (cpu, memory, disk), which is the
> bottleneck here? Looking at the top output, it seems like the iowait is
> killing me here. But the disk svc times dont seem too bad. Yes, there is a
> lot of IO going on, but doesnt seem like the disks are holding things up.
There are disks nearly 100% busy, and the CPUs are spending 40% of their
time waiting for them. As long as the busy disks aren't busy with swap,
I vote disk, or Oracle config.
-- 'ric
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