Date: Wed, 15 Aug 2001 08:34:49 -0400 From: Jerry A! <jerry@thehutt.org> To: Mike Meyer <mwm@mired.org> Cc: Mark Ibell <marki@paradise.net.nz>, freebsd-stable@freebsd.org Subject: Re: MFS Sizing Problems Message-ID: <20010815083449.B12940@thehutt.org> In-Reply-To: <15226.27044.969408.568733@guru.mired.org>; from mwm@mired.org on Wed, Aug 15, 2001 at 07:23:00AM -0500 References: <20010814135213.A64512@gemini.thehutt.org> <3B7A214B.FD6F34F6@paradise.net.nz> <20010815074241.A12511@gemini.thehutt.org> <15226.27044.969408.568733@guru.mired.org>
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On Wed, Aug 15, 2001 at 07:23:00AM -0500, Mike Meyer wrote:
: Jerry A! <jerry@thehutt.org> types:
: > On Wed, Aug 15, 2001 at 07:14:19PM +1200, Mark Ibell wrote:
: > : > 2. Undaunted, I decided to use the 500M for right now, realizing that
: > : > when I compiled X it would end up having to swap to disk. However, that
: > : > never happened. The 500m in /tmp filled up, but never swapped any of
: > : > itself out to disk.
: > And this issue is the one that is really getting me. I thought that the
: > entire purpose of the swap-based backing store was for MFS to dump it's
: > contents. Am I misunderstanding this correctly?
:
: Yes, you have correctly misunderstood this. Being backed by swap means
: that the data in the memory blocks it's using can be written to swap
: if the system decides there's something better to do with that real
: memory - just like anything else that's backed by swap. If you then
: need that data again, it'll be read back in from swap so you can use
: it. Under no circumstances will you be able to get more than the 500m
: you allocated for it.
Got it. Now, any idea on how to allocate more than 500m?
--Jerry
name: Jerry Alexandratos || Open-Source software isn't a
phone: 703.599.6023 || matter of life or death...
email: jerry@thehutt.org || ...It's much more important
|| than that!
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