Date: Tue, 13 Jul 1999 17:16:54 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Jason Thorpe <thorpej@nas.nasa.gov> Cc: freebsd-hackers@FreeBSD.ORG, tech-userlevel@netbsd.org Subject: Re: Swap overcommit (was Re: Replacement for grep(1) (part 2)) Message-ID: <199907140016.RAA82304@apollo.backplane.com> References: <199907140004.RAA25629@lestat.nas.nasa.gov>
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:On Tue, 13 Jul 1999 16:56:26 -0700 (PDT)
: Matthew Dillon <dillon@apollo.backplane.com> 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 <thorpej@nas.nasa.gov>
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
<dillon@backplane.com>
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