Bug#399776: apache2: Apache 2.2 spawns lots of processes and freeze the box
> We have mod_python, redirection with mod_proxy/mod_rewrite, PHP with
> memory limit set to 32M, DAV and DAV/SVN. The are no errors or other
> interesting entries in apache logs nor in any other log.
Maybe you could try disabling modules one by one to see which one is the
cause? There are reports about memory leaks in
mod_python (with more than one handler):
http://issues.apache.org/jira/browse/MODPYTHON-181?page=all
and mod_proxy:
http://www.modsecurity.org/blog/archives/2006/08/apache_reverse.html
Try whether MaxRequestsPerChild, MaxKeepAliveRequests, etc. help.
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