RE: cache tiering sessions at CDS

2014-11-03 Thread Sage Weil
On Mon, 3 Nov 2014, Wang, Zhiqiang wrote: > Sage, > > Thank you for summarize this. I still have some questions and want to > clarify with you. > > For the wip-promote-forward, you said that it can't guarantee ordering. > Does this problem exists in the proxy and promote approach? If not, how

RE: cache tiering sessions at CDS

2014-11-03 Thread Wang, Zhiqiang
Sage, Thank you for summarize this. I still have some questions and want to clarify with you. For the wip-promote-forward, you said that it can't guarantee ordering. Does this problem exists in the proxy and promote approach? If not, how does the cache tier osd preserve the ordering? According

RE: cache tiering sessions at CDS

2014-11-01 Thread Duan, Jiangang
Sage, thanks for the good summary. Based on the feedback, we (Zhiqiang, jian and me) will propose a general design document next week - stay tuned. -jiangang -- Forwarded message -- From: Sage Weil Date: 2014-11-01 5:01 GMT+08:00 Subject: cache tiering sessions at CDS To: ceph