~~~~~
* Pacific introduces RocksDB sharding, which reduces disk space requirements.
+
* Ceph now provides QoS between client I/O and background operations via the
mclock scheduler.
+
* The balancer is now on by default in upmap mode to improve distribution of
PGs across OSDs.
+
* The output of ``ceph -s`` has been improved to show recovery progress in
one progress bar. More detailed progress bars are visible via the
``ceph progress`` command.
* MGR: progress module can now be turned on/off, using the commands:
``ceph progress on`` and ``ceph progress off``.
+
* An AWS-compliant API: "GetTopicAttributes" was added to replace the existing "GetTopic" API. The new API
should be used to fetch information about topics used for bucket notifications.