On Tue, 27 Dec 2011, Leander Yu wrote:
> Thanks for the feedback. We found the performance issue actually from
> the journal writing. even we separate journal into the other SATA HDD,
> it didn't shows any performance difference.
> At the end , we use SSD to store the journal file which give us the
Hi Sage,
Thanks for the feedback. We found the performance issue actually from
the journal writing. even we separate journal into the other SATA HDD,
it didn't shows any performance difference.
At the end , we use SSD to store the journal file which give us the
performance 52.3MB/s with oflag=direc
Hi Leander,
On Mon, 26 Dec 2011, Leander Yu wrote:
> Hi all,
> I have a question regarding to RBD performance. Recently I test RBD in
> 2 cluster, using dd if=/dev/zero of=/dev/rbd5 bs=4M count=1024
> oflag=direct. I got 33.4MB/s in one cluster , however got only 6MB/s
> in the other cluster.
>
>
Hi all,
I have a question regarding to RBD performance. Recently I test RBD in
2 cluster, using dd if=/dev/zero of=/dev/rbd5 bs=4M count=1024
oflag=direct. I got 33.4MB/s in one cluster , however got only 6MB/s
in the other cluster.
I have confirmed that the network bandwidth is ok. and osd bench