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Date:      Thu, 7 Jun 2001 18:33:58 +0200
From:      "Karsten W. Rohrbach" <karsten@rohrbach.de>
To:        Mike Meyer <mwm@mired.org>
Cc:        Calvin NG <calvinng@brel.com>, freebsd-stable@FreeBSD.ORG
Subject:   Re: building apache from /usr/ports
Message-ID:  <20010607183358.N59617@mail.webmonster.de>
In-Reply-To: <15134.26898.890143.63429@guru.mired.org>; from mwm@mired.org on Wed, Jun 06, 2001 at 12:32:02PM -0500
References:  <JBEOKPCEMKJLMJAKBECCMELDDAAA.jwatkins@firstplan.com> <20010605140629.B15206@leviathan.inethouston.net> <20010605152718.A21889@localhost> <20010606034917.D97958@mail.webmonster.de> <15133.37451.23934.758674@guru.mired.org> <20010606113119.B54034@brel.com> <15134.26898.890143.63429@guru.mired.org>

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Mike Meyer(mwm@mired.org)@2001.06.06 12:32:02 +0000:
> Calvin NG <calvinng@brel.com> types:
> >   Correct me if I m wrong.
> >   For in-core web server , every copy of server loaded has the perl and=
/or php
> >   in it.  For modules, its a shared library, the server is smaller size=
, and only
> >   a copy of the module is loaded in memory.
>=20
> That's all correct. However, it wouldn't surprise me if the server +
> module is larger than the server with an in-core module. Since there's
> no reason to have more than one copy of the server loaded - even for a
> high-load server - there's still only one copy of the module
> loaded. Since everything shared in the module should also be shared
> with the in-core version, the total memory usage won't be very
> different.

it is, since apache is not multithreaded (1.x). so, on a heavily loaded
box you got "several" process images in mem, thus more overhead.

/k

--=20
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