From owner-freebsd-hackers  Wed Jul 14  8:24:57 1999
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Date: Thu, 15 Jul 1999 00:20:57 +0900
From: "Daniel C. Sobral" <dcs@newsguy.com>
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To: "Charles M. Hannum" <root@ihack.net>
Cc: Matthew Dillon <dillon@apollo.backplane.com>,
	Noriyuki Soda <soda@sra.co.jp>, Jason Thorpe <thorpej@nas.nasa.gov>,
	"Brian F. Feldman" <green@FreeBSD.ORG>, bright@rush.net,
	freebsd-hackers@FreeBSD.ORG, jon@oaktree.co.uk,
	tech-userlevel@netbsd.org
Subject: Re: Swap overcommit (was Re: Replacement for grep(1) (part 2))
References: <199907132346.TAA13780@bikini.ihack.net>
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"Charles M. Hannum" wrote:
> 
> That's also objectively false.  Most such environments I've had
> experience with are, in fact, multi-user systems.  As you've pointed
> out yourself, there is no combination of resource limits and whatnot
> that are guaranteed to prevent `crashing' a multi-user system due to
> overcommit.  My simulation should not be axed because of a bug in
> someone else's program.  (This is also not hypothetical.  There was a
> bug in one version of bash that caused it to consume all the memory it
> could and then fall over.)

In which case the program that consumed all memory will be killed.
The program killed is +NOT+ the one demanding memory, it's the one
with most of it.

--
Daniel C. Sobral			(8-DCS)
dcs@newsguy.com
dcs@freebsd.org

	"Would you like to go out with me?"
	"I'd love to."
	"Oh, well, n... err... would you?... ahh... huh... what do I do
next?"


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