From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.62) (envelope-from ) id 1HR7ma-0001Gu-3G for garchives@archives.gentoo.org; Tue, 13 Mar 2007 14:15:20 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.14.0/8.14.0) with SMTP id l2DEB329020800; Tue, 13 Mar 2007 14:11:03 GMT Received: from euclid.r.igoro.us (209-242-5-195.rev.dls.net [209.242.5.195]) by robin.gentoo.org (8.14.0/8.14.0) with ESMTP id l2DEB03W020739 for ; Tue, 13 Mar 2007 14:11:01 GMT Received: by euclid.r.igoro.us (Postfix, from userid 9000) id 405206757; Tue, 13 Mar 2007 09:11:00 -0500 (CDT) Date: Tue, 13 Mar 2007 09:11:00 -0500 From: dustin@v.igoro.us To: gentoo-amd64@lists.gentoo.org Subject: Re: [gentoo-amd64] Is swap need when there is 4g of ram? Message-ID: <20070313141100.GB18489@v.igoro.us> References: <45F66A32.1050004@singnet.com.sg> <200703131056.02337.volker.armin.hemmann@tu-clausthal.de> <59541ff30703130546s1bc682f8w6b06e117563c96ad@mail.gmail.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-amd64@gentoo.org Reply-to: gentoo-amd64@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <59541ff30703130546s1bc682f8w6b06e117563c96ad@mail.gmail.com> X-PGP-Key: http://people.cs.uchicago.edu/~dustin/pubkey.txt User-Agent: mutt-ng/devel-r804 (Linux) X-Archives-Salt: 78477eb2-0577-4aef-9a1e-084779eb71c1 X-Archives-Hash: 432f1bcbbb65ab4ed9100581142f89a8 On Tue, Mar 13, 2007 at 09:46:39AM -0300, Joaquim Quinteiro Uchoa wrote: > Anthony is really right: it depends if you need swap. In a server with > 30 users, > problably not, even in the case where the access is simultaneous (by experience > with servers with 2GB of RAM and 2GB of swap). One of the benefits of swap is that unused application text, data, etc. can be paged out in a fairly permanent fashion. Without swap, that stuff has to sit in RAM, even if it's not touched for hours or days. I'm not sure if your load is such that the savings will be a significant portion of 4G. Dustin -- gentoo-amd64@gentoo.org mailing list