On Thu, Mar 6, 2014 at 9:30 PM, Sage Weil <[email protected]> wrote: > Sheldon just > pointed out a talk from ATC that discusses the basic problem: > > > https://www.usenix.org/conference/atc13/technical-sessions/presentation/cidon > > The situation with CRUSH is slightly better, I think, because the number > of peers for a given OSD in a large cluster is bounded (pg_num / > num_osds), but I think we may still be able improve things.
I'm surprised they didn't cite Ceph -- aren't copysets ~= placement groups? Cheers, Dan -- Dan van der Ster || Data & Storage Services || CERN IT Department -- -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
