On Fri, 26 Apr 2013, Sylvain Munaut wrote: > 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. Is this in the blktap layer or in librbd? FWIW, when rbd cache = true, the writes will get merged by the cache and written out in large extents on flush. sage -- 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
