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From: fREW Schmidt <frioux@gmail.com>
Date: Wed, 17 Jun 2009 13:24:24 -0500
Message-ID: <fb3648c60906171124v4c661ff9l988b8b996ffc9bc3@mail.gmail.com>
Subject: Apache crashes relatively often
To: modperl <modperl@perl.apache.org>
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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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Hey guys,<br><br>We are having weird memory leak issues with Apache and som=
e mod_perl.=A0 Basically what happens is that, depending on load, we eventu=
ally run out of ram and apache crashes.=A0 We have the setting that will re=
start apache after a given numer of requests, and that seems to work tempor=
arily, but eventually in the log it claims to restart, but no ram is freed.=
=A0 The following is written to the log when that happens:<br>


<br><br><blockquote style=3D"border-left: 1px solid rgb(204, 204, 204); mar=
gin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;" class=3D"gmail_quote">[Wed Jun =
17 13:07:49 2009] [notice] Child 5056: Process exiting because it reached M=
axRequestsPerChild. Signaling the parent to restart a new child process.<br=
>

[Wed Jun 17 13:07:49 2009] [notice] Parent: Received restart signal -- Rest=
arting the server.<br>[Wed Jun 17 13:07:49 2009] [warn] (OS 10038)An operat=
ion was attempted on something that is not a socket.=A0 : setsockopt(SO_UPD=
ATE_ACCEPT_CONTEXT) failed.<br>

[Wed Jun 17 13:07:50 2009] [notice] Child 5056: Released the start mutex<br=
>[Wed Jun 17 13:07:50 2009] [notice] Apache/2.2.11 (Win32) mod_ssl/2.2.11 O=
penSSL/0.9.8i mod_perl/2.0.4-dev Perl/v5.10.0 configured -- resuming normal=
 operations<br>

[Wed Jun 17 13:07:50 2009] [notice] Server built: Dec 10 2008 00:10:06<br>[=
Wed Jun 17 13:07:50 2009] [notice] Parent: Created child process 3164<br>[W=
ed Jun 17 13:07:51 2009] [notice] Child 3164: Child process is running<br>

[Wed Jun 17 13:07:51 2009] [notice] Child 3164: Acquired the start mutex.<b=
r>[Wed Jun 17 13:07:51 2009] [notice] Child 3164: Starting 64 worker thread=
s.<br>[Wed Jun 17 13:07:51 2009] [notice] Child 3164: Starting thread to li=
sten on port 443.<br>

[Wed Jun 17 13:07:51 2009] [notice] Child 3164: Starting thread to listen o=
n port 80.<br>[Wed Jun 17 13:08:00 2009] [notice] Child 5056: All worker th=
reads have exited.<br>[Wed Jun 17 13:08:00 2009] [notice] Child 5056: Child=
 process is exiting<br>

</blockquote><br>And just to be clear, here are the relevant conf sections:=
<br><br><blockquote style=3D"border-left: 1px solid rgb(204, 204, 204); mar=
gin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;" class=3D"gmail_quote">ThreadLim=
it 64<br>

ThreadsPerChild 64<br>MaxRequestsPerChild 10000<br>MaxMemFree 51200<br></bl=
ockquote><br>That&#39;s in the &quot;root&quot; part of the config, or to b=
e more explicit, it&#39;s not in a virtual host or anything like that.<br>

<br>We are running apache on a Windows server, so if that could be part of =
the issue let me know.<br><br>Any help at all would be very much appreciate=
d.<br clear=3D"all"><br>-- <br>fREW Schmidt<br><a href=3D"http://blog.afool=
ishmanifesto.com" target=3D"_blank">http://blog.afoolishmanifesto.com</a><b=
r>


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