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 ? I just want to avoid having too many pools with too many PGs, I guess that's not good either ... Cheers, Sylvan -- 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