| HADOOP-9582 | Non-existent file to “hadoop fs -conf” doesn't throw error | Major | conf | Ashwin Shankar | Ashwin Shankar |
| HADOOP-9581 | hadoop --config non-existent directory should result in error | Major | scripts | Ashwin Shankar | Ashwin Shankar |
| HDFS-4878 | On Remove Block, Block is not Removed from neededReplications queue | Major | namenode | Tao Luo | Tao Luo |
| HDFS-4867 | metaSave NPEs when there are invalid blocks in repl queue. | Major | namenode | Kihwal Lee | Plamen Jeliazkov |
| HDFS-4862 | SafeModeInfo.isManual() returns true when resources are low even if it wasn't entered into manually | Major | . | Ravi Prakash | Ravi Prakash |
| HDFS-4832 | Namenode doesn't change the number of missing blocks in safemode when DNs rejoin or leave | Critical | . | Ravi Prakash | Ravi Prakash |
| HDFS-4765 | Permission check of symlink deletion incorrectly throws UnresolvedLinkException | Major | namenode | Andrew Wang | Andrew Wang |
| HDFS-4205 | fsck fails with symlinks | Major | hdfs-client | Andy Isaacson | Jason Lowe |
| MAPREDUCE-5316 | job -list-attempt-ids command does not handle illegal task-state | Major | client | Ashwin Shankar | Ashwin Shankar |
| MAPREDUCE-5315 | DistCp reports success even on failure. | Critical | distcp | Mithun Radhakrishnan | Mithun Radhakrishnan |
| MAPREDUCE-5308 | Shuffling to memory can get out-of-sync when fetching multiple compressed map outputs | Major | . | Nathan Roberts | Nathan Roberts |
| MAPREDUCE-4019 | -list-attempt-ids is not working | Minor | client | B Anil Kumar | Ashwin Shankar |
| YARN-742 | Log aggregation causes a lot of redundant setPermission calls | Major | nodemanager | Kihwal Lee | Jason Lowe |