Hi, I just wanted to mention that I implemented a simple request merging strategy to counter-act the request splitting done by the Xen block if protocol. The results are pretty good. When comparing to using the rbd kernel module, I can now get 2-4x better write performance and 2x read performance. Cheers, Sylvain -- 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