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From "Plüm, Rüdiger, VF-Group" <ruediger.pl...@vodafone.com>
Subject RE: Huge memory leak in mod_substitute
Date Fri, 07 Jan 2011 14:59:26 GMT
 

> -----Original Message-----
> From: Nick Kew [mailto:nick@webthing.com] 
> Sent: Freitag, 7. Januar 2011 15:49
> To: dev@httpd.apache.org
> Subject: Re: Huge memory leak in mod_substitute
> 
> On Fri, 07 Jan 2011 14:26:35 +0100
> Nick Gearls <nickgearls@gmail.com> wrote:
> 
> > Hello,
> > 
> > I saw servers completely freezing (the whole system, not 
> only httpd) due 
> > to a memory leak problem in mod_substitute.
> > This is a major issue as it can completely block your 
> systems, sometimes 
> > even the fail-over as the server is blocked, but not 
> completely down. 
> > Even the management interfaces are blocked.
> > We reported the problem 
> > (https://issues.apache.org/bugzilla/show_bug.cgi?id=50559), with a 
> > (scaled-down) reproducible process to trigger it.
> > 
> > Did somebody already begin to work on mod_substitute memory 
> management?
> 
> The obvious question would be whether the "q" flag affects your
> observations.  But the detailed bug report suggests that's unlikely.

Isn't it the case that "q" is the default for one substitution rule
and for more than one it is no longer?
That would explain the different behaviour.

Regards

Rüdiger

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