From owner-freebsd-current  Mon Oct 28 19:47:01 1996
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From: "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com>
Message-Id: <199610290346.TAA00655@GndRsh.aac.dev.com>
Subject: Re: Request to add this to FAQ re: swap space
In-Reply-To: <199610290016.TAA00994@dyson.iquest.net> from "John S. Dyson" at "Oct 28, 96 07:16:00 pm"
To: dyson@freebsd.org
Date: Mon, 28 Oct 1996 19:46:51 -0800 (PST)
Cc: current@freebsd.org
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... hate to pick nits but....

> So, to make it simple:
> 
> 	swap-space = min(2*RAM, sum of the sizes of all processes);

                     ^^^ max

If you choose the ``min'' of the two above you would not get enough swap
when ever ``sum of the sizes...'' > 2*RAM, which is what you really
want.

I think you confused this, and it would have been better written:

	minimum swap space = max(2*RAM, sum of the sizes of all processes);

And in reality if you know ``sum of the sizes...'' you should always use
that to calculate swap space.

> as usual, add some space in for expansion and for process growth.

Thats what ``swapon'' is for :-) :-) :-) :-)



-- 
Rod Grimes                                      rgrimes@gndrsh.aac.dev.com
Accurate Automation, Inc.                   Reliable computers for FreeBSD