[pve-devel] ceph news: syncfs kernel support for next stable release

[Stefan Priebe - Profihost AG]

Hi,

Am 04.12.2012 15:59, schrieb Alexandre DERUMIER:
>>> So the performance problems are already solved?
>
> I can't get more than 6000iops by kvm guest with my current setup. (I don't know where is the bottleneck, maybe network latency or cpu on my cluster)
>
> But Stefan has achieve a lot more with his ssd cluster.
> Stefan, what are your last bench results ?
Right now 23.000 iops with random 4k writes.

> Maybe some conf file tuning advice could be fine :)
Disable debugging see ceph list and disable auth.

Greets,
Stefan