On Tuesday, March 5, 2013 at 12:37 AM, Dieter Kasper wrote: > Hi Gregory, > > another interesting aspect for me is: > How will a read-request for this block/sub-block (pending between journal and OSD) > be satisfied (assuming the client will not cache) ? > Will this read go to the journal or to the OSD ? > All read requests are satisfied from the main OSD store filesystem. Satisfying reads from the journal would be extraordinarily complicated and not buy us anything that I can think of. (In fact the journal is only read during recovery). -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com -- 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