Re: apache uses 100 % cpu

[Timo Veith <timo.veith@gmx.de>]

Thank you for your help Jeff.

I will investigate this a little more, but I don't think I will compile my 
own apache binary for this issue. Anyway I will tell the user to stop his 
chat thing.

Again, thanks a lot.

Kind regards,

Timo

Am Samstag, 28. Februar 2004 20:56 schrieb Jeff S Wheeler:
> It's a shame the debug symbols aren't available.  If this happens on a
> routine basis, I would definately suggest rebuilding apache and all its
> modules with debugging symbols left in.
>
> Barring that, though, what your apache processes are doing is trying to
> read that file, /home/jebu0001/homepage/jens/chat/php_chat_log, over
> and over again, most likely in a `tail -f` nature, but no new data is
> appearing.  Without question, if you were to fire up strace again, and
> append a few bytes to that file, they would show up in your strace
> output as bytes being read.
>
> Unfortunately apache does not have any .php files or similar still
> open, so it may be difficult to identify exactly what script the
> culprit is. In any case, I would contact that user and tell them that
> PHP script is causing you grief, and have them stop running it.
>
> PHP is the single biggest cause of shared server problems at my
> company. I wish the PHP CGI stuff worked right, as if it did, we would
> opt to use that instead of the Apache PHP module.  It may be slower,
> but at least that would limit what users can fuck up with third-party
> PHP scripts. :(
>
> I hope this helps!
>
> --
> Jeff S Wheeler