linux-kernel - Re: New Security Features, Please Comment

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Date:	Wed, 3 Dec 2008 12:46:32 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Nick Andrew <nick@...k-andrew.net>
Cc:	Geoffrey McRae <geoff@...idhost.com>, linux-kernel@...r.kernel.org
Subject: Re: New Security Features, Please Comment

> 300,000 processes each with a different uid. But if you had 300,000
> users and 200,000 different CGI scripts, you also have no choice but
> to fork and exec at request time, because there are too many different
> scripts.

You would normally maintain a pool then because you'd expect an uneven
loading and groups of requests to a given id. The number of scripts
shouldn't matter for a properly designed interpreter - you have a fastcgi
interpreter instance or similar which has the interpreter state ready and
just forks itself to handle the scripts (or does them threaded itself) for
that user.

Alan
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