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Subject DO NOT REPLY [Bug 42829] graceful restart with multiple listeners using prefork MPM can result in hung processes
Date Mon, 21 Apr 2008 12:36:13 GMT

Guille (bisho) <> changed:

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--- Comment #24 from Guille (bisho) <>  2008-04-21 05:36:13 PST ---
I don't know if this is related or no. I have a similar problem with apache
2.2.4-3ubuntu0.1 of latest ubuntu gutsy.

Apache prefork uses a "internal dummy connection" to tell childs they should
die. When apache emits that request to a child (too many idle workers,
MaxRequestsPerChild reached...), the children correctly dies (is not longer a
proc in the system), but the apache main process still thinks it's "Gracefully

Server status page shows processes on this state in a number increasing until
Maxclients is reached and apache stops answering connections, so it's a very
buig problem for me.

It can be forced on my system easily issuing a /etc/init.d/apache2 reload. With
that I get a lot of connections in the 'G' state (finished but the main apache
still thinks they are finishing).

It's on a xen virtual machine, maybe it's a problem related to this.

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