From owner-freebsd-hackers Tue Jul 13 17:17: 7 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from apollo.backplane.com (apollo.backplane.com [209.157.86.2]) by hub.freebsd.org (Postfix) with ESMTP id 1AC8215157 for ; Tue, 13 Jul 1999 17:17:04 -0700 (PDT) (envelope-from dillon@apollo.backplane.com) Received: (from dillon@localhost) by apollo.backplane.com (8.9.3/8.9.1) id RAA82304; Tue, 13 Jul 1999 17:16:54 -0700 (PDT) (envelope-from dillon) Date: Tue, 13 Jul 1999 17:16:54 -0700 (PDT) From: Matthew Dillon Message-Id: <199907140016.RAA82304@apollo.backplane.com> To: Jason Thorpe Cc: freebsd-hackers@FreeBSD.ORG, tech-userlevel@netbsd.org Subject: Re: Swap overcommit (was Re: Replacement for grep(1) (part 2)) References: <199907140004.RAA25629@lestat.nas.nasa.gov> Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG : :On Tue, 13 Jul 1999 16:56:26 -0700 (PDT) : Matthew Dillon wrote: : : > You have to consider the probability of an event occuring, not just : > the possibility that the event might occur. If the probability is : > one in a million years, then it is not something you need to worry : > about relative to other things that, perhaps, you *should* be worrying : > about. : :Having been a systems programmer and systems administrator at a :university computer science department, dealing with large (well, :they were large back then :-) systems where 60 students log in :simultaneously to do their "Data Structures in C++" homework, I :can guarantee you that the probability that someone else's buggy :program will kill your unrelated application is a lot more than :"once in a million years". : : -- Jason R. Thorpe This really has nothing to do with modern day computing or modern day computers, and certainly has nothing to do with the problem at hand. Well do I remember cory.berkeley.edu, a poor Vax 780 at the time which got driven into the ground nearly every day. The machine blew up at least once or twice a week, but it was never due to running out of swap. -Matt Matthew Dillon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message