Hi Keith, Do you have some KVM graph? It will be interesting to compare both. Cheers On Tue, Feb 23, 2010 at 4:39 PM, Pasi Kärkkäinen wrote: > On Tue, Feb 23, 2010 at 09:44:24AM -0500, Konrad Rzeszutek Wilk wrote: > > > > > That is strange because in that configuration I get a far better > > > > > disk bandwidth with stubdoms compared to qemu running in dom0. > > > > > > > > > > > > > What type of test are you doing? > > > > > > > > > > these are the results I got a while ago running a simple "dd > if=/dev/zero > > > of=file" for 10 seconds: > > > > Keep in mind that iometer (both the Windows a Linux version) by default > > do random seak of 50% reads and 50% writes. They do have some set of > > templates - "web server", "file server", "database server" that change > > the read/write ratio, size of blocks, and the queue length.(fyi, you can > > use fio to set the same values, if you can't get dynamo to compile on > > your Linux box). > > > > Does iometer run correctly on Linux nowadays? I remember it having problems > with more than 1 outstanding IO.. > > -- Pasi > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel > -- Marco Sinhoreli