| HADOOP-8346 | Changes to support Kerberos with non Sun JVM (HADOOP-6941) broke SPNEGO | Blocker | security | Alejandro Abdelnur | Devaraj Das |
| HADOOP-8338 | Can't renew or cancel HDFS delegation tokens over secure RPC | Major | security | Owen O'Malley | Owen O'Malley |
| HADOOP-8294 | IPC Connection becomes unusable even if server address was temporarilly unresolvable | Critical | ipc | Kihwal Lee | Kihwal Lee |
| HADOOP-8293 | The native library‘s Makefile.am doesn’t include JNI path | Major | build | Owen O'Malley | Owen O'Malley |
| HADOOP-8251 | SecurityUtil.fetchServiceTicket broken after HADOOP-6941 | Blocker | security | Todd Lipcon | Todd Lipcon |
| HADOOP-8151 | Error handling in snappy decompressor throws invalid exceptions | Major | io, native | Todd Lipcon | Matt Foley |
| HADOOP-7381 | FindBugs OutOfMemoryError | Major | build | Joep Rottinghuis | Joep Rottinghuis |
| HADOOP-6941 | Support non-SUN JREs in UserGroupInformation | Major | . | Stephen Watt | Devaraj Das |
| HADOOP-6924 | Build fails with non-Sun JREs due to different pathing to the operating system architecture shared libraries | Major | . | Stephen Watt | Devaraj Das |
| HDFS-3374 | hdfs' TestDelegationToken fails intermittently with a race condition | Major | namenode | Owen O'Malley | Owen O'Malley |
| HDFS-3310 | Make sure that we abort when no edit log directories are left | Major | . | Colin Patrick McCabe | Colin Patrick McCabe |
| HDFS-3265 | PowerPc Build error. | Major | build | Kumar Ravi | Kumar Ravi |
| HDFS-3127 | failure in recovering removed storage directories should not stop checkpoint process | Major | namenode | Brandon Li | Brandon Li |
| HDFS-3061 | Backport HDFS-1487 to branch-1 | Blocker | namenode | Alex Holmes | Kihwal Lee |
| HDFS-1041 | DFSClient does not retry in getFileChecksum(..) | Major | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
| HDFS-119 | logSync() may block NameNode forever. | Major | namenode | Konstantin Shvachko | Suresh Srinivas |
| MAPREDUCE-4207 | Remove System.out.println() in FileInputFormat | Major | mrv1 | Kihwal Lee | Kihwal Lee |
| MAPREDUCE-4154 | streaming MR job succeeds even if the streaming command fails | Major | . | Thejas M Nair | Devaraj Das |
| MAPREDUCE-4003 | log.index (No such file or directory) AND Task process exit with nonzero status of 126 | Major | task-controller, tasktracker | toughman | Koji Noguchi |
| MAPREDUCE-3857 | Grep example ignores mapred.job.queue.name | Major | examples | Jonathan Eagles | Jonathan Eagles |
| MAPREDUCE-3377 | Compatibility issue with 0.20.203. | Major | . | Jane Chen | Jane Chen |
| MAPREDUCE-1238 | mapred metrics shows negative count of waiting maps and reduces | Major | jobtracker | Ramya Sunil | Thomas Graves |