Hey Marc, Some more information went to the "Ceph Performance very bad even in Memory?!" topic. Greetings On Mon, Feb 7, 2022 at 11:48 AM Marc <Marc@xxxxxxxxxxxxxxxxx> wrote: > > > > > I gave up on this topic.. ceph does not properly support it. Even though > > it > > seems really promising. > > > > Tested a ping on 40gbit with rdma ud which took for both ways 6us. > > > > rdma rd i didnt got running (maybe my cards need some special > > threatment..). > > > > tcp-ping at mtu 9000 took 20us > > tcp-ping at mtu 1500 took 36us > > > > all measured against 4k blocksize. > > > > so the transport is up to ~3-4 times faster by using rdma. > > > > How many % is that of a total read/write operation? Is there some sort > overview what parts in a read/write action have what latency? > > > > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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