Olaf Greve wrote:
Hi all,
A colleague of mine has run into a weird issue, for which we hope
someone knows a solution (or otherwise: if someone knows there's no
(easy) solution, that's also good to know.
The issue: when running a script that will consume a large amount of
memory (under FreeBSD 5.2.1-release i386, with custom kernel, with
Apache 1.3.34_2, PHP 4.4.1 as mod_php4); Apache seems to deschedule
the script in question as soon as it starts to consume over more or
less 512MB of memory; the machine has 1GB of memory, and at the moment
of running the script the rest of the machine is pretty much idle.
It's probably a limit problem.
If you were running apache2 you'd have easy control over limits:
From /usr/local/etc/rc.d/apache.sh
# apache2limits_args (str): Default to "-e -C daemon"
# Arguments of pre-start limits run.
which, IIUC picks up limits from /etc/login.conf class daemon (which on
5.4 seems to default to everything unlimited).
You could just try hacking your apache1 startup script and putting:
ulimit -m unlimited
somewhere at the start.
Type ulimit -a to see all the possibles or man sh.
You can put the ulimit -a in your start up script too just so you can
see what the limits are when apache starts.
--Alex
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