Release 2015_055 (2015-12-17)¶
Configuration¶
Use control groups on storage servers to prevent starvation (#18803).
Improve I/O scheduler settings for RAID filesystems (#18803).
Speed up Ceph OSD daemon startup by pre-reading files into the virtual file system cache (#18803).
Improve consistency of Ceph MON filesystem backups (#18803).
Monitoring¶
Directory/Nagios synchronization check (#19421, #19425).