On 08/06/2015 15:10, Andrey Korolyov wrote: > > You are probably hitting the (more or less fundamental) ceiling which > was the reason for introducing dataplane backend recently, in other > words, it does not matter how fast your backend is, the operation > number will be limited by 50..100kIOPS without dataplane. As far as I > remember the recent development made possible using it with > virtio-scsi as well as with virtio-blk, so you`d possibly want to try > it.
virtio-scsi dataplane is not yet 100% thread-safe, but in practice it should work in 2.3+. It's definitely good enough for benchmarking. Paolo