On Wed, Apr 8, 2015 at 11:17 AM, Somnath Roy <Somnath.Roy@xxxxxxxxxxx> wrote: > > Hi, > Please find the preliminary performance numbers of TCP Vs RDMA (XIO) implementation (on top of SSDs) in the following link. > > http://www.slideshare.net/somnathroy7568/ceph-on-rdma > > The attachment didn't go through it seems, so, I had to use slideshare. > > Mark, > If we have time, I can present it in tomorrow's performance meeting. > > Thanks & Regards > Somnath > Those numbers are really impressive (for small numbers at least)! What are TCP settings you using?For example, difference can be lowered on scale due to less intensive per-connection acceleration on CUBIC on a larger number of nodes, though I do not believe that it was a main reason for an observed TCP catchup on a relatively flat workload such as fio generates. -- 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
