On 04/18/2011 08:41 PM, Colin McCabe wrote: > I added "Mount the partition you are logging to using noatime" as a > "tip" on http://ceph.newdream.net/wiki/Cluster_configuration Aha, and I had put a word about noatime for the OSD partition in http://ceph.newdream.net/wiki/Mounting_the_file_system . Obviously it doesn't make much of a difference on writes, but it makes a HUGE difference on reads. Z -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html