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From John Morrissey <...@horde.net>
Subject Re: [users@httpd] Excessive memory consumption
Date Wed, 02 Aug 2006 19:12:20 GMT
On Wed, Jul 19, 2006 at 12:13:11PM -0400, Joshua Slive wrote:
> On 7/19/06, John Morrissey <jwm@horde.net> wrote:
> > On Tue, Jul 18, 2006 at 08:53:51PM -0400, Joshua Slive wrote:
> > > Are any of the requests byte-ranges (response code 206).  If so, see:
> > > http://issues.apache.org/bugzilla/show_bug.cgi?id=29962
> >
> > Some are, yes. It looks like the Debian 2.0.54-5 packages already
> > include the patch attached to that bug (the one in the source package is
> > identical to the one posted in the bug).
> >
> > I also looked at bug 23567 (and 34589, which is a duplicate) but the
> > only filter we have enabled is INCLUDES (mod_include). None of the
> > suspect requests was for server-parsed HTML *and* a byte-range request
> > (206 response).
> 
> Well, you should really upgrade to the most recent version to make
> sure you have the official patch.  You can also do the
> RequestHeader unset Range
> Header unset Accept-Ranges
> hack.

We've been running the header modifications for three days now and haven't
had a single child spiral out of control.

I'm very surprised, since we're running the Debian package versioned
2.0.54-5, which includes the fix specified in Bug 29962 for CAN-2005-2728:

http://packages.qa.debian.org/a/apache2/news/20050908T181706Z.html

I checked it against revision 239378 in the 2.0.x branch; the Debian patch
is essentially identical:

http://svn.apache.org/viewvc/httpd/httpd/branches/2.0.x/modules/http/http_protocol.c?r1=151405&r2=239378&view=patch

I even checked the package build process, and the patch is being included
during the build. I'm not sure how to react to this; perhaps this is a
different problem that has similar symptoms/workarounds? Should I try
following up to the relevant Debian and/or Apache bugs?

Thanks again for all your help, Joshua.

john
-- 
John Morrissey          _o            /\         ----  __o
jwm@horde.net        _-< \_          /  \       ----  <  \,
www.horde.net/    __(_)/_(_)________/    \_______(_) /_(_)__

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