Hello Community Happy Valentines Day ;-)
I need some advice on using EXATA RAM on my OSD servers to improve Ceph's write performance. I have 20 OSD servers each with 256GB RAM and 6TB x 16 OSD's, so assuming cluster is not recovering, most of the time system will have at least ~150GB RAM free. And for 20 machines its a lot ~3.0 TB RAM Is there any way to use this free RAM to improve write performance of cluster. Something like Linux page cache for OSD write operations. I assume that by default Linux page cache can use free memory to improve OSD read performance ( please correct me if i am wrong). But how about OSD write improvement , How to improve that with free RAM. PS : My Ceph cluster's workload is just OpenStack Cinder , Glance , Nova for instance disk - Vickey -
_______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
