Hi, I have no number to share, nor did I test with Ceph specifically
However, I saturated a 4*10G NIC, with and without jumbo In CPU consumption, jumbo frames eated 2 to 3 times less CPU If you can use jumbo frames, just do it -there is no drawback, and the gains are appreciable On 11/08/2017 20:21, Sameer Tiwari wrote: > Hi, > > We ran a test with 1500 MTU and 9000MTU on a small ceph test cluster (3mon > + 10 hosts with 2 SSD each, one for journal and one for data) and found > minimal ~10% perf improvements. > > We tested with FIO for 4K, 8K and 64K block sizes, using RBD directly. > > Anyone else have any experience with this? > > Thanks, > Sameer > > > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
