Thanks for your input. I'm getting clear. It may be necessary to ask you more though -; Rgds, Shinobu ----- Original Message ----- From: "Josh Durgin" <jdurgin@xxxxxxxxxx> To: "Shinobu Kinjo" <skinjo@xxxxxxxxxx> Cc: "Jan Schermer" <jan@xxxxxxxxxxx>, ceph-users@xxxxxxxxxxxxxx Sent: Saturday, February 27, 2016 8:39:39 AM Subject: Re: Observations with a SSD based pool under Hammer On 02/26/2016 03:17 PM, Shinobu Kinjo wrote: > In jewel, as you mentioned, there will be "--max-objects" and "--object-size" options. > That hint will go away or mitigate /w those options. Collect? The io hint isn't sent by rados bench, just rbd. So even with those options, rados bench still doesn't have the io hint, rbd caching, object map, or cloning, which all make it a bit different from what rbd does. > Are those options available in: > > # ceph -v > ceph version 10.0.2 (86764eaebe1eda943c59d7d784b893ec8b0c6ff9)?? No, they were just recently merged are aren't in any releases yet. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com