swap sizing

David O'Brien obrien at FreeBSD.org
Tue May 31 07:37:38 PDT 2005

On Mon, May 30, 2005 at 04:11:55PM -0700, Kris Kennaway wrote:
> On Mon, May 30, 2005 at 09:05:25AM -0600, Ken Gunderson wrote:
> > On larger systems sporting several gigs of ram, what it the recommended
> > swap scheme?  I'm aware of the 2x ram rule of thumb and also that this
> > rule is considered "old school" by many.  And of course that you need
> > at least as much swap as ram if you want to get a full dump...
> I'd recommend as much swap as RAM (allowing for future expansion if
> you think you might one day add more RAM).

Plus some space for dump headers, etc..
On an 4-32GB machines I use RAM+2MB.  I'm sure the dump headers is
smaller, but if it grew one day...

-- David  (obrien at FreeBSD.org)

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