# v0.53c

09/23/2012



* Bug #2525: librados: some functions are not thread-safe
* Documentation #2998: doc: validate install docs on ubuntu server
* Feature #3043: mon: track osd laggy rate/interval
* Feature #3045: mon: factor osd laggy interval into heartbeat grace
* Feature #3046: mon: factor osd failure reporters into heartbeat grace
* Feature #3047: mon: apply heartbeat grace adjustment to down_out_interval
* Feature #3097: create a teuthology task to run class unitests
* Feature #3101: allow "ceph osd crush set" without overwriting weight