Re: [ceph-users] slow perfomance: sanity check

2017-04-06 Thread Pasha
Also make sure your PGs per pool and per entire Cluster are correct... you want 50-100 PGs per OSD total, otherwise performance can be impacted. Also if the cluster is new, it might take it a little while to rebalance and be available 100%, at that point speed can be affected too. Those are a

[ceph-users] Crush Adjustment

2016-11-17 Thread Pasha
Hi guys, Fairly simple questions for you I'm sure, but never had to do it myself so thought I'd get your input. I am running a 5 node cluster with regular spinners and ssd journals at the moment. Recently I threw in 1TB SSD per node and wanted to create a pool that is purely the new SSDs. I