Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965023AbWIENlP (ORCPT ); Tue, 5 Sep 2006 09:41:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965052AbWIENlP (ORCPT ); Tue, 5 Sep 2006 09:41:15 -0400 Received: from embla.aitel.hist.no ([158.38.50.22]:47285 "HELO embla.aitel.hist.no") by vger.kernel.org with SMTP id S965023AbWIENlN (ORCPT ); Tue, 5 Sep 2006 09:41:13 -0400 Message-ID: <44FD7DB3.3060406@aitel.hist.no> Date: Tue, 05 Sep 2006 15:37:55 +0200 From: Helge Hafting User-Agent: Thunderbird 1.5.0.5 (X11/20060812) MIME-Version: 1.0 To: Bernd Eckenfels CC: linux-kernel@vger.kernel.org Subject: Re: Raid 0 Swap? References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 968 Lines: 25 Bernd Eckenfels wrote: > In article <200609041529.k84FTolf004383@turing-police.cc.vt.edu> you wrote: > >> Memory is indeed cheap. However, if you're already at the max supported >> memory configuration for your system, buying another RAM socket to plug that >> cheap memory card into can be *really* expensive. >> > > Dont expect any useable system performance if you swap regularly. > Not entirely correct. Performance with continous swapping will be fine as long as the swap bandwidth is lower than available disk bandwidth. This is a narrow line to walk though, memory bandwidth being much higher than disk bandwith so it don't take much more swapping before performance drops like a rock. Helge Hafting - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/