Re: [ceph-users] ceph pg/pgp number calculation

2018-10-18 Thread Zhenshi Zhou
Hi David, Thanks for the explanation! I'll make a search on how much data each pool will use. Thanks! David Turner 于2018年10月18日周四 下午9:26写道: > Not all pools need the same amount of PGs. When you get to so many pools > you want to start calculating how much data each pool will have. If 1 of >

Re: [ceph-users] ceph pg/pgp number calculation

2018-10-18 Thread David Turner
Not all pools need the same amount of PGs. When you get to so many pools you want to start calculating how much data each pool will have. If 1 of your pools will have 80% of your data in it, it should have 80% of your PGs. The metadata pools for rgw likely won't need more than 8 or so PGs each. If

[ceph-users] ceph pg/pgp number calculation

2018-10-16 Thread Zhenshi Zhou
Hi, I have a cluster serving rbd and cephfs storage for a period of time. I added rgw in the cluster yesterday and wanted it to server object storage. Everything seems good. What I'm confused is how to calculate the pg/pgp number. As we all know, the formula of calculating pgs is: Total PGs =