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From "Evan Champion" <>
Subject RE: [users@httpd] Long graceful restart time
Date Fri, 01 Jan 2010 23:38:45 GMT
Hi Nick,

There are only about 200 virtual hosts and the document root is on a local (SAN) filesystem,
so I'm not sure that patch will help (the description suggested a large number of virtual
hosts on remote filesystems where the stat takes some time to complete).  The config is large
however, approaching 150,000 lines due to the number of <Proxy> statements providing
different access controls to various parties.


-----Original Message-----
From: Nick Kew [] 
Sent: Wednesday, 30 December 2009 11:14
Subject: Re: [users@httpd] Long graceful restart time

Evan Champion wrote:
> Hi,
> I have a large Apache proxy server (around 24000 <Proxy> statements spread over
almost 200 listening ports) that I graceful restart once per day to update the configuration
from a database.  Our service monitoring tools indicate that during the graceful restart the
server can take in excess of 1 minute to respond to new client connections.
> Is there anything I can do to work around this?    

Do you mean huge numbers of virtual hosts?  Go to bugzilla,
grab the patch from Bug 41887, and apply it.

(it's applied in trunk).

Nick Kew

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