# v0.93 - Last Hammer Sprint

02/03/2015



* Feature #7862: allow backfill/recovery while below min_size
* Feature #8674: osd: cache tier: avoid promotion on first read
* Feature #9598: re-enable Objecter fast dispatch
* Feature #9780: ceph_objectstore_tool: Add OSDMap information to pg export
* Feature #9781: ceph_objectstore_tool: On import handle splits
* Feature #9956: osd: reenable alloc hints if kernel is known to be safe
* Feature #10452: ceph osd df
* Feature #10477: pg query should output the replicas the primary is waiting on between peering and active
* Tasks #10942: Draft algorithm for generic plugin support
* Bug #11554: Osds not start after upgrade
* Bug #11573: OSD assertion in erasure code environment