On 15/02/2015 19:46, Stefan Priebe wrote: > > while i get a constant random 4k i/o write speed of 20.000 iops with > qemu 2.1.0 or 2.1.3. I get jumping speeds with qemu 2.2 (jumping between > 500 iops and 15.000 iop/s). > > If i use virtio instead of virtio-scsi speed is the same between 2.2 and > 2.1.
http://wiki.qemu.org/Contribute/ReportABug What is your command line? Paolo
