From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Degraded performance with Windows 2008 R2 with applications Date: Mon, 07 Mar 2011 11:57:02 +0200 Message-ID: <4D74ABEE.5050505@redhat.com> References: <4D7409C8.1000101@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Mathias Klette Return-path: Received: from mx1.redhat.com ([209.132.183.28]:20065 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755007Ab1CGJ5G (ORCPT ); Mon, 7 Mar 2011 04:57:06 -0500 In-Reply-To: <4D7409C8.1000101@gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: On 03/07/2011 12:25 AM, Mathias Klette wrote: > Hi list, > > I'm not sure if this is the right list, but I have to ask for help on > some performance issues with KVM and Windows 2008 R2. > > Windows guest is working properly on a clean install. But once some > applications get installed - especially MSSQL, but others as well - > system becomes pretty unresponsive. In turns, a login to the system can > take several minutes, context menus are opened badly slow and the clock > is not updated correctly which leads to differences of whole hours after > only some few hours uptime. Verifying with performance monitor in > Windows I could only see load on disk IO, not on CPU, memory. From > kvm/qemu point of view: A raw-image stored on a ext4 formatted LVM > volume is used and started with following configurations via libvirt - > see attached. > > On the host system runs Debian Squeeze with a custom 2.6.38-rc2-amd64 > kernel. Packages kvm, qemu-kvm and qemu-utils have been re-packaged from > source with only slight changes from original Debian source. Versions > following > top/vmstat/kvm_stat on the host, please. -- error compiling committee.c: too many arguments to function