On 5/2/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
[EMAIL PROTECTED] wrote on 05/04/2007 15:55:23:
> On 4/5/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>
> > The problem I have is that the server doesn't respond sometimes. Maybe
> > this happens after I have done a lot of mysql database requests in a
short
> > time but since I can't reproduce the error by putting many requests in
I
> > think this is not the cause.
>
> Here are some instructions on how to debug a frozen server:
> http://httpd.apache.org/dev/debugging.html#backtrace-win
Thanks for pointing me there. Actually the server does not lock up anymore
but sometimes the server times out and comes back after a minute or so.
I'm using suse and I have like 10 httpd2-prefork processes - how do I find
out which of them I have to debug?
I'd use a combination of "top" and mod_status' server-status handler.
Unfortunately, the latter can be difficult to access during times when
the server is not responding.
If you suspect that a particular type of request may be causing the
problem, but can't pin down what exactly, you could try configuring
mod_log_forensic and then forcibly kill -9 the server and all child
processes and see what was in progress at the time of death.
Joshua.
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