On Wed, 2009-08-26 at 11:27 -0500, Brian Jackson wrote: > On Wednesday 26 August 2009 11:14:57 am Andrew Theurer wrote: > <snip> > > > > > > > I/O on the host was not what I would call very high: outbound network > > > > averaged at 163 Mbit/s inbound was 8 Mbit/s, while disk read ops was > > > > 243/sec and write ops was 561/sec > > > > > > What was the disk bandwidth used? Presumably, direct access to the > > > volume with cache=off? > > > > 2.4 MB/sec write, 0.6MB/sec read, cache=none > > The VMs' boot disks are IDE, but apps use their second disk which is > > virtio. > > > In my testing, I got better performance from IDE than the new virtio block > driver for windows. There appears to be some optimization left to do on them. Thanks Brian. I will try IDE on both VM disks to see how it compares. -Andrew -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
