From owner-freebsd-questions  Wed May 16 15:16:13 2001
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Date: Wed, 16 May 2001 15:16:09 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: dave <dleimbac@earthlink.net>
Cc: questions@freebsd.org
Subject: Re: python fork call raised my load over 400!
Message-ID: <20010516151609.A35726@xor.obsecurity.org>
References: <200105161254.FAA14005@scaup.mail.pas.earthlink.net>
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In-Reply-To: <200105161254.FAA14005@scaup.mail.pas.earthlink.net>; from dleimbac@earthlink.net on Wed, May 16, 2001 at 07:57:19AM -0500
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On Wed, May 16, 2001 at 07:57:19AM -0500, dave wrote:

> ----SNIP--------
>=20
> import os
>=20
> while 1:
> 	os.fork()
> -----SNIP-------
>=20
> This user run program brought my system to a load of 419 with the system
> using
> 94% of the resources and 500 user processes on my AMD Duron 800 box with
> 256MB RAM...=20

Well, what did you expect?  People point this out to us about every 2
weeks, and they all seem to think it's an idea no-one's even thought
of before in the history of computing.  It's trivial to prevent
fork-based denial of services in FreeBSD.

Kris

P.S. This post was off-topic for -arch.
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