CDM 06-SEP-2017¶

- [Xuehan] RADOS level replication
- [tushar, yuan] Updates on RBD shared readonly SSD cache
- [sage] unified pg log trimming
- [sage,myoungwon] tiering v2 / dedup roadmap
- [sage] removing removed_snaps from the osdmap
- [eric,jugwan,taewoong,byungsu] implementing distributed mclock in ceph