From owner-freebsd-performance@FreeBSD.ORG Wed Apr 30 17:04:13 2003 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 522A237B405 for ; Wed, 30 Apr 2003 17:04:13 -0700 (PDT) Received: from 66-162-33-178.gen.twtelecom.net (66-162-33-181.gen.twtelecom.net [66.162.33.181]) by mx1.FreeBSD.org (Postfix) with ESMTP id 842D043FBD for ; Wed, 30 Apr 2003 17:04:12 -0700 (PDT) (envelope-from steve@expertcity.com) Received: from [10.4.2.41] (helo=expertcity.com) by 66-162-33-178.gen.twtelecom.net with esmtp (Exim 3.22 #4) id 19B1Ya-000756-00; Wed, 30 Apr 2003 17:04:12 -0700 Message-ID: <3EB0647B.3040506@expertcity.com> Date: Wed, 30 Apr 2003 17:04:11 -0700 From: Steve Francis User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4a) Gecko/20030401 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jason Stone References: <20030430162823.I4074-100000@walter> In-Reply-To: <20030430162823.I4074-100000@walter> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-performance@freebsd.org Subject: Re: SWAP size X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 May 2003 00:04:13 -0000 Actually, from man dumpon: The size of the specified dump device must be at least 64 KB greater than the size of physical memory. We just got bit by this - 1G of ram, and we had 1 G of swap. Just a bit shy... Jason Stone wrote: >Also remember that crash-dumps get written to swap, so if you want to be >able to take a dump in the event of a panic, you need at least as much >swap as physical ram. > >Since crash-dumps are usually a good idea (or at least the ability to take >a dump if your system starts acting strangely), I think you should never >have less than 1x ram on a production system. > > > -Jason > > -------------------------------------------------------------------------- > Freud himself was a bit of a cold fish, and one cannot avoid the suspicion > that he was insufficiently fondled when he was an infant. > -- Ashley Montagu >-----BEGIN PGP SIGNATURE----- >Version: GnuPG v1.2.1 (FreeBSD) >Comment: See https://private.idealab.com/public/jason/jason.gpg > >iD8DBQE+sFz6swXMWWtptckRAsFIAJ47vP344lTYuN4fP5w0/kosWbEz1wCdG1i6 >NprsPd0En9cOzYjOL3scKXE= >=Zxe3 >-----END PGP SIGNATURE----- > >_______________________________________________ >freebsd-performance@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-performance >To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org" > >