[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] windows domU disk performance graph comparing hvm vs stubdom vs pv drivers
> > > 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). Keith, which workload did you choose? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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