Ceph

h3. +*CephFS Starter Tasks*+

*Summary*

There are a lot of feature tickets in the CephFS backlog which the team hasn't prioritized enough to get done, but could provide value to users and are feasible for implementation by new developers. In this session I/we will go through some of them and discuss likely designs and points of interest.

*Owners*

Greg Farnum (Red Hat)

*Interested Parties*

If you are interested in contributing to this blueprint, or want to be a "speaker" during the Summit session, list your name here.

Name (Affiliation)

Name (Affiliation)

Name

*Current Status*

There are tickets, and the team knows how to begin implementing them.

*MDS internals*

dump cache filtering:

* Client session filtering on 'dump cache’ asok http://tracker.ceph.com/issues/11173

* Inode filtering on 'dump cache’ asok http://tracker.ceph.com/issues/11172

* Path filtering on "dump cache” asok http://tracker.ceph.com/issues/11171

mds: tool to examine (later, manipulate) dirfrag objects http://tracker.ceph.com/issues/7325

An MDS-specific assert that dumps cache state http://tracker.ceph.com/issues/11174

MDS: support cache eviction http://tracker.ceph.com/issues/9659

*Client-side*

libcephfs: async interfaces http://tracker.ceph.com/issues/4734

uclient: add perfcounters http://tracker.ceph.com/issues/4355

ceph-fuse: warn and shut down when there is no MDS present http://tracker.ceph.com/issues/12204

*Mixed*

client: opportunistically update backtraces on files http://tracker.ceph.com/issues/8358

*Support:*

qa: test ganesha nfs reexport in teuthology http://tracker.ceph.com/issues/3244

split up mdstypes http://tracker.ceph.com/issues/3998 A compile/build challenge rather than a challenge involving much MDS work.