Hi ALL: I've built a ceph0.8 cluster including 2 nodes ,which contains 5 osds(ssd) each , with 100MB/s network . Testing a rbd device with default configuration ,the result is no ideal.To got better performance ,except the capability of random r/w of SSD, which should to give a change? 2 nodes 5 osds(SSD) *2 , 1 mon, 32GB RAM 100MB/S network and now the whole iops is just 500 . Should we change the filestore or journal part ? Thanks for any help! lixuehui555 at 126.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20150526/1f777168/attachment.htm>