Paul Von-Stamwitz <PVonStamwitz <at> us.fujitsu.com> writes: Hi Paul, > > Loic, I know nothing about Mojette Transforms. From what little I gleaned, it might be good for repair > (needing only a subset of chunks within a range to recalculate a missing chunk) but I'm worried about the > storage efficiency. RozoFS claims 1.5x. I'd like to do better than that. > > All the best, > Paul > If you want to do better than that you will probably lose in availability. 1.5x give the same availability than 3 replicats and that for any kind of erasure coding. FYI, Mojette transform has no constraint in terms of Galois fields. It is the big advantage to use discrete geometry rather than algebra. best regards, bp -- 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
