[pve-devel] ceph firefly in pve repos

[Dietmar Maurer]

> I would like to know your 4k results. (to see maximal iops performance) With the
> option -b 4096 (you used the standard 4M with 16 threads) With 4MByte tests I
> think it should be easy to max out the network...

OK, here are the results running the fio rbd example benchmark (4K test):

# ./fio examples/rbd.fio 
rbd_iodepth32: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=rbd, iodepth=32
fio-2.1.11-20-g9a44
Starting 1 process
rbd engine: RBD version: 0.1.8
Jobs: 1 (f=1): [w(1)] [99.7% done] [0KB/5790KB/0KB /s] [0/1447/0 iops] [eta 00m:01s]
rbd_iodepth32: (groupid=0, jobs=1): err= 0: pid=494227: Wed Sep 10 13:00:56 2014
  write: io=2048.0MB, bw=5875.2KB/s, iops=1468, runt=356952msec

So 1468  is not really very high.

@Alexandre: what values do you get?