kvm + ceph performance issues

2013-03-07 Thread Wolfgang Hennerbichler
hi, I'm running a virtual machine with the following command: LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 4096 -smp 2,sockets=2,cores=1,threads=1 -name korfu_ceph -uuid a9131b8f-d087-26f4-2ca9-018505f11838

Re: kvm + ceph performance issues

2013-03-11 Thread Wolfgang Hennerbichler
On 03/08/2013 09:35 AM, Stefan Hajnoczi wrote: > Please try using virtio-blk instead of IDE. there is no difference if I use virtio-blk. > If the guest still jerks try using the Linux rbd block driver instead of > QEMU -drive rbd:. I haven't used Ceph much but there should be > documentation