From owner-freebsd-questions Tue Nov 27 19:43:33 2001 Delivered-To: freebsd-questions@freebsd.org Received: from guru.mired.org (okc-65-31-203-60.mmcable.com [65.31.203.60]) by hub.freebsd.org (Postfix) with SMTP id 16E1B37B405 for ; Tue, 27 Nov 2001 19:43:27 -0800 (PST) Received: (qmail 91563 invoked by uid 100); 28 Nov 2001 03:43:25 -0000 From: Mike Meyer MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15364.23901.74346.299401@guru.mired.org> Date: Tue, 27 Nov 2001 21:43:25 -0600 To: David Kirchner Cc: Anthony Atkielski , Subject: Re: Calculating swap file size In-Reply-To: <20011127170344.W15780-100000@localhost> References: <15363.11945.410356.244254@guru.mired.org> <20011127170344.W15780-100000@localhost> X-Mailer: VM 6.90 under 21.1 (patch 14) "Cuyahoga Valley" XEmacs Lucid X-face: "5Mnwy%?j>IIV\)A=):rjWL~NB2aH[}Yq8Z=u~vJ`"(,&SiLvbbz2W`;h9L,Yg`+vb1>RG% *h+%X^n0EZd>TM8_IB;a8F?(Fb"lw'IgCoyM.[Lg#r\ Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG David Kirchner types: > On Tue, 27 Nov 2001, Mike Meyer wrote: > > The VM algorithms aren't quite as efficient if you have less than 2x > > ram size. > I've read this in places before (man tuning I believe), but I haven't yet > found the reason for it. I read through the 4.4BSD book's chapter on > memory management but I don't recall seeing anything about it. Is there a > place where this is documented further? I got a note from George Cox that Matt Dillon says this isn't so - even though the tuning man page that Matt wrote says it is. Further discussion is ensuing between them, so watch for the man page to be updated. For information on the VM system in general, the "More..." link under documentation on the FreeBSD home page is a page that lists a couple of papers on the VM system. http://www.mired.org/home/mwm/ Q: How do you make the gods laugh? A: Tell them your plans. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message