Release 2013_040 (2013-12-13)


  • Fix critical bug where hardlinks were expanded during filesystem migration to Ceph. This caused filesystem overflow errors during migration.

  • Increase map_hash_bucket_size setting in default nginx conf along with other parameter tunings (#12991).

  • Improve Ceph CRUSH map to keep replicas in the same rack (#12590).


  • Double storage network bandwidth in our data center core network.