Den sön 15 mars 2020 kl 14:06 skrev Виталий Филиппов <vitalif@xxxxxxxxxx>: > WAL is 1G (you can allocate 2 to be sure), DB should always be 30G. And > this doesn't depend on the size of the data partition :-) > DB should be either 3, 30 or 300 depending on how much you can spare on the fast devices. 30 is probably good in this case though. https://github.com/facebook/rocksdb/wiki/Leveled-Compaction Some say using 2x (ie, 60 in this case) helps when temp space is needed for compaction, and since the 960G will only see WAL/DB for 6 drives for now, it would only consume 180G, so you might aswell go for 60G WAL+DB, and still be able to fix 2x as many data drives in using the same sized WAL/DBs too. -- May the most significant bit of your life be positive. _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx