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Bug#758068: libapr1: mmap allocator severely limites apache scalability

On Thursday 14 August 2014 17:02:04, Nelson Elhage wrote:
> On Thu, Aug 14, 2014 at 12:22 AM, Stefan Fritsch <sf@sfritsch.de> 
> > Can you please try if increasing MaxMemFree to a larger value
> > fixes your problem, too? 2048 (KB) is the default.
> Unfortunately setting that higher (we tried 100MB) doesn't seem to
> noticeably improve the situation in our environment.

It seems mod_security does its own things with apr allocators, which 
causes MaxMemFree not to have any effect for mod_security's 
allocations. I have asked them why they do that. Let's see what they 

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