[Gllug] Underpowered box & apache 2

[John Hearns]

On Fri, 2005-05-20 at 21:39 +0100, Adrian McMenamin wrote:
> I am (re)building a server to run an apache/perl/mysql/sendmail combo -
> previously this was all based on a 1.x version of apache and although
> the box was underpowered - just 64MB ram though a Pentium II processor -
> it performed fine under the very light loads generated.
> 
> Now everything is very slow if it involves perl and ludicrously slow if
> it involves sendmail - users hit a button and wait 40 seconds for the
> next page to appear.
My gut instinct - a disk I/O bottleneck.

Run iostat on the disk with a frequency of (say) 5 seconds and watch
what happens. 
There are sysctl type tunigs which you can do on disk I/O

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