Date: Sat, 10 Apr 1999 13:37:06 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Amancio Hasty <hasty@rah.star-gate.com> Cc: Dmitry Valdov <dv@dv.ru>, Brian Feldman <green@unixhelp.org>, freebsd-current@FreeBSD.ORG Subject: Re: DoS from local users (fwd) Message-ID: <199904102037.NAA01262@apollo.backplane.com> References: <199904102030.NAA08796@rah.star-gate.com>
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:
:It should be possible to prevent a user from hogging a system if the system's
:naive scheduler is improved.
:
: Amancio
No, it isn't. For a very simple reason: The resources users need to do
real work are very similar to the resources users need to hog the system.
Saying that the system should somehow be able to magically make the
distinction between the two is a pipedream. It takes a human to make
the distinction.
Short of restricting the resources you give to users to the point where
they can't even start a mail or news client, there is just no way to
prevent said users from loading down the machine if they choose to.
-Matt
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