On Monday, January 30, 2012 09:36:55 AM David Cure wrote: > Le Mon, Jan 23, 2012 at 09:28:37AM +0100, David Cure ecrivait : > > I use several kvm box, and no problem at all except for 1 > > > > application that have bad response time. > > > > The VM runs Windows 2008R2 and the application is an > > > > client-server app develop with progress software and talk to an Oracle > > databasei (on another server) and we access this app with RDS/TSE. > > > > The physical server runs Debian testing to have qemu-kvm 1.0 and > > > > linux kernel 3.1 and libvirt 0.9.8. We use virtio for disk and network > > and use the last driver for Windows (from RH). > > > > We have 2 references servers : one physical and one running > > > > Vmware. > > > > Response time : > > o physical = 7s > > o VM under vmware = 8s > > o VM under KVM = 12s (to complete with qemu-kvm 0.12.5 and > > > > kernel 2.6.32 we have 22s ...). > > > > I attach the libvirt xml of my vm. > > > > How can I see what's append ? Do you have idea to increase > > > > performance ? > > no one interesting to try to track this issue where kvm is so > slow ? > > David.
Without more info or some way to reproduce the problem, it would be pointless for one of the devs to spend much time on it. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
