Re: RDMA

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On Thu, 18 Apr 2013, Gandalf Corvotempesta wrote:
> 2013/4/18 Sage Weil <sage@xxxxxxxxxxx>:
> > I'm no expert, but I've heard SDP is not likely to be supported/maintained
> > by anyone in the long-term.  (Please, anyone, correct me if that is not
> > true!)  That said, one user has tested it successfully (with kernel and
> > userland ceph) and it does seem to work..
> 
> Do you know what performance was obtained?

Very good, AFAICS.  ~5.4 GB/sec on 56GiB SDP.  IPoIB on the same hardware 
was ~3.5 GB/sec.  But... deprecated.  Oh well!

But as I understand it, others have shown rsockets performance very 
similar to SDP.

sage

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