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From Nick Kew <n...@webthing.com>
Subject Re: Huge memory leak in mod_substitute
Date Fri, 07 Jan 2011 14:49:16 GMT
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.

So the second obvious question: have you tried equivalent observations
with mod_sed and/or mod_line_edit?

-- 
Nick Kew

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