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From Igor Cicimov <icici...@gmail.com>
Subject Re: [users@httpd] apache hanging whole system
Date Mon, 17 May 2010 08:19:44 GMT
Peter...apart from the one mentioned above there are bunch of tools you can
use to monitor and analyze your server like webalizer, awstats etc. From
what you have given us above I would expect that PHP is the culprit in this
situation ... except if your application has a database back end in which
case that might be the problem too (like long running db queries, not
released connections etc...things that can easily consume apache resources).
Without the config file we can't say what else might be wrong, it might be
KeepAlive and/or Timeout settings or something similar ...

Igor

On Mon, May 17, 2010 at 4:18 PM, Peter Halicky <peto@halicky.sk> wrote:

> Hi Morten,
>
> this is just what I was looking for! I'll give it a try.
>
> Thanks!
> Peter
>
> On 17.05.2010 01:13, Morten Shearman Kirkegaard wrote:
> > Hi Peter,
> >
> > On Sun, 2010-05-16 at 22:42 +0200, Peter Halicky wrote:
> >
> >> The problem is this: about once a day, apache processes cause the
> >> system load to go very high (today it was ~30).
> >>
> > ...
> >
> >> I configured a mod_status URL which I am monitoring, to see what is
> >> making apache so busy. Unfortunately, when this happens, apache is so
> >> busy that it doesn't respond to these requests...
> >>
> > [self promotion]
> >
> > We've developed a command line tool to help sysadmins get this
> > information during high load. The tool is free software.
> >
> > It's called "FableTech Server Status for Apache" and is available for
> > download here: http://fabletech.com/ftss
> >
> > [/self promotion]
> >
> > Best regards,
> > Morten
> >
> >
>
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