Re: [squid-users] Performance-problems on reverse-proxy squid

On Sat, 2005-03-12 at 22:50, Stefan Neufeind wrote:
> Dear all,
>
> I'm running a squid-proxy (squid 2.5.stable7-1) in reverse-proxy mode in
> front of two webservers. Squid does equal loadbalancing across the
> servers, and answers requests for static pages/images/... itself.
> Because of the site-content squid is able to service about 80%-85% of
> the requests itself. Statistics report about 500 requests/second hitting
> squid, with an output to the internet of about 20mbit/s during peak-times.

[...]

> Does somebody have an idea how I could "debug" the cpu-utilisation of
> "system", and how to lower it? Friends told me to watch out for possible
> buffers that could reduce the number of transfers from
> kernel-to-userspace or so - but I didn't find much.

The figures do not really look too bad.

As for debugging, you could try using opofile (it should be enabled in
Fedora).

        Kinkie
Received on Sun Mar 20 2005 - 15:43:08 MST