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Date: Tue, 21 Sep 2010 09:37:40 -0400
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From: Alejandro Imass <ait@p2ee.org>
To: Michael Powell <nightrecon@hotmail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: apache22 and threads
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On Tue, Sep 21, 2010 at 5:48 AM, Michael Powell <nightrecon@hotmail.com> wrote:
> Victor Sudakov wrote:
>
> [snip]
[...]
>
> The prefork mpm without threads and mod_php is a safe bet for a server that
> will not be hitting the wall, traffic volume-wise.
>

Yeah well php sucks in any case, for many reasons that are OT to this thread.

Perl / mod_perl on the other hand can work quite well with mod_worker
(threads) sharing many thing including all the non-mutable data, this
is because Perl in general is thread safe. Using mod_worker with
mod_perl can mean the difference between serving a few hundred
simultaneous request to a few thousand, on the same exact hardware.
Not all Perl modules are thread safe however, and in any case most
thread implementations in Unix, including FreeBSD, are a potentially
leaky by nature, but you can use the MaxRequestsPerChild directive
(and others) to fine-tune the growing of your processes/threads.


> -Mike
>
>
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