From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: XP installation speed: KVM vs Xen Date: Tue, 27 Feb 2007 18:06:36 -0600 Message-ID: <45E4C78C.7050604@codemonkey.ws> References: <1172609205.6539.9.camel@localhost.localdomain> <200702272105.18311.ahasenack@terra.com.br> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Andreas Hasenack Return-path: In-Reply-To: <200702272105.18311.ahasenack-y7mWNqJcIDpfJ/NunPodnw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Andreas Hasenack wrote: > On Tuesday 27 February 2007 17:46:45 Andrew Olney wrote: > >> I've been migrating from Xen to KVM for a wide variety of reasons. >> >> I've noticed, however, that XP installs much much faster with Xen (3.03 >> xen-image-xen0-2.6.17-6-generic-xen0 ubuntu) than with KVM (14). >> >> I haven't clocked it, but for KVM it takes longer than realtime (by the >> XP install clock) and with Xen it takes less than realtime. >> >> I assume that this is all file I/O related, which raises the question: >> what file system setup optimizes KVM I/O, e.g. qcow vs. raw? >> > > I experienced very slow graphic performance with kvm, could that be related > too? > > For example, graphic grub boot splash is very slow, as is any form of frame > buffer boot in linux. > Graphic grub boot is different from the rest of graphics and should not be any worse than Xen. Regards, Anthony Liguori > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > kvm-devel mailing list > kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > https://lists.sourceforge.net/lists/listinfo/kvm-devel > > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV