On Mon, Nov 5, 2012 at 4:11 AM, Sylvain Munaut <s.munaut@xxxxxxxxxxxxxxxxxxxx> wrote: > Hi, > >>> Also, I assume those pools will actually be pretty small and so I can >>> just leave them with PG_NUM=8 without much issue ? >>> >> >> Data will not be distributed evenly across the cluster, and there may >> be a high contention on these pgs so it'd affect performance. > > But what is stored in those exactly ? > Is it documented somewhere ? > > I now recreated them with more pg_num, but why are they created with > only 8 by default if that's not appropriate ? Currently librados creates 8 pgs by default, and rgw just uses librados for that matter. I do agree that it's a too low default, and iirc there has been some recent discussion about fixing that. > I just want to avoid having too many pools with too many PGs, I guess > that's not good either ... > -- 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