On Sun, Jul 1, 2012 at 11:56 PM, Stefan Priebe - Profihost AG <s.priebe@xxxxxxxxxxxx> wrote: > Hello list, > > i found several people who use big metadata -n 64k -l 64k for ceph. But i > haven't found any ceph doc or info why to use this? > > What's the reason to use big metadata feature with ceph? One of the big problems users have had with Ceph-on-btrfs is that Ceph's usage patterns cause btrfs to dramatically fragment its metadata. Big metadata blocks reduce this fragmentation to a level where some users find it faster than xfs (which it previously wasn't). -Greg -- 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
