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srinivas
From: fri...@gmail.com
Date: Wed, 17 Jun 2009 13:24:24 -0500
Subject: Apache crashes relatively often
To: modperl@perl.apache.org
Hey guys,
We are having weird memory leak issues with Apache and some mod_perl.
Basically what happens is that, depending on load, we eventually run out of ram
and apache crashes. We have the setting that will restart apache after a given
numer of requests, and that seems to work temporarily, but eventually in the
log it claims to restart, but no ram is freed. The following is written to the
log when that happens:
[Wed Jun 17 13:07:49 2009] [notice] Child 5056: Process exiting because it
reached MaxRequestsPerChild. Signaling the parent to restart a new child
process.
[Wed Jun 17 13:07:49 2009] [notice] Parent: Received restart signal --
Restarting the server.
[Wed Jun 17 13:07:49 2009] [warn] (OS 10038)An operation was attempted on
something that is not a socket. : setsockopt(SO_UPDATE_ACCEPT_CONTEXT) failed.
[Wed Jun 17 13:07:50 2009] [notice] Child 5056: Released the start mutex
[Wed Jun 17 13:07:50 2009] [notice] Apache/2.2.11 (Win32) mod_ssl/2.2.11
OpenSSL/0.9.8i mod_perl/2.0.4-dev Perl/v5.10.0 configured -- resuming normal
operations
[Wed Jun 17 13:07:50 2009] [notice] Server built: Dec 10 2008 00:10:06
[Wed Jun 17 13:07:50 2009] [notice] Parent: Created child process 3164
[Wed Jun 17 13:07:51 2009] [notice] Child 3164: Child process is running
[Wed Jun 17 13:07:51 2009] [notice] Child 3164: Acquired the start mutex.
[Wed Jun 17 13:07:51 2009] [notice] Child 3164: Starting 64 worker threads.
[Wed Jun 17 13:07:51 2009] [notice] Child 3164: Starting thread to listen on
port 443.
[Wed Jun 17 13:07:51 2009] [notice] Child 3164: Starting thread to listen on
port 80.
[Wed Jun 17 13:08:00 2009] [notice] Child 5056: All worker threads have exited.
[Wed Jun 17 13:08:00 2009] [notice] Child 5056: Child process is exiting
And just to be clear, here are the relevant conf sections:
ThreadLimit 64
ThreadsPerChild 64
MaxRequestsPerChild 10000
MaxMemFree 51200
That's in the "root" part of the config, or to be more explicit, it's not in a
virtual host or anything like that.
We are running apache on a Windows server, so if that could be part of the
issue let me know.
Any help at all would be very much appreciated.
--
fREW Schmidt
http://blog.afoolishmanifesto.com
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