From owner-freebsd-hackers Sat May 10 14:13:22 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id OAA22111 for hackers-outgoing; Sat, 10 May 1997 14:13:22 -0700 (PDT) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id OAA22106 for ; Sat, 10 May 1997 14:13:20 -0700 (PDT) Received: (from root@localhost) by dyson.iquest.net (8.8.5/8.6.9) id QAA03938; Sat, 10 May 1997 16:12:48 -0500 (EST) From: "John S. Dyson" Message-Id: <199705102112.QAA03938@dyson.iquest.net> Subject: Re: What swap for 1Gb memory? In-Reply-To: from The Devil Himself at "May 10, 97 11:28:05 am" To: fullermd@narcissus.ml.org (The Devil Himself) Date: Sat, 10 May 1997 16:12:47 -0500 (EST) Cc: dkelly@hiwaay.net, rewt@i-Plus.net, freebsd-hackers@FreeBSD.ORG, witr@rwwa.com X-Mailer: ELM [version 2.4ME+ PL31 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > > > > I'd guess even a 1G RAM system would work best with a little swap, say 64M, > > if for no other reason than to initialize the same virtual memory paths > > everyone else has. But that's only superstitious guessing. > > I know this is true with BSDi; I'm not sure about FreeBSD, but.... > I've heard that it's important/necessary to have at least as much swap as > RAM, because if the kernel panics, it dumps a complete image of memory > into the swap space, to be recovered on reboot for examination, and it can > do bad thigs if there's not enough swap. > How bad, I don't know, but I don't think I'd want to find out... > Because of VM system issues, you really do need to have at least as much swap as RAM. You can get by without it in limited situations, but those are anecdotal. John