| HADOOP-992 | The mini/mr cluster for testing always uses the local file system rather than the namenode that was passed in | Major | test | Owen O’Malley | Owen O’Malley | 
| HADOOP-893 | dead datanode set should be maintained in the file handle or file system for hdfs | Major | . | Owen O’Malley | Raghu Angadi | 
| HADOOP-761 | Unit tests should cleanup created files in /tmp. It causes tests to fail if more than one users run tests on same machine. | Minor | test | Sanjay Dahiya | Nigel Daley | 
| HADOOP-1010 | getReordReader methof of InputFormat class should handle null reporter argument | Major | . | Runping Qi | Runping Qi | 
| HADOOP-923 | DFS Scalability: datanode heartbeat timeouts cause cascading timeouts of other datanodes | Major | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-476 | Streaming should check for correctness of the task | Major | . | arkady borkovsky | Arun C Murthy | 
| HADOOP-973 | NPE in FSDataset during heavy Namenode load | Major | . | Nigel Daley | dhruba borthakur | 
| HADOOP-649 | Jobs without any map and reduce operations seems to be lost after their execution | Major | . | Thomas Friol | Owen O’Malley | 
| HADOOP-803 | Reducing memory consumption on Namenode : Part 1 | Major | . | Raghu Angadi | Raghu Angadi | 
| HADOOP-1021 | TestMiniMRLocalFS and TestMiniMRCaching broken on Windows | Major | test | Nigel Daley |  | 
| HADOOP-947 | isReplicationInProgress() is very heavyweight | Major | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-442 | slaves file should include an ‘exclude’ section, to prevent “bad” datanodes and tasktrackers from disrupting  a cluster | Major | conf | Yoram Arnon | Wendy Chien | 
| HADOOP-933 | Application defined InputSplits do not work | Major | . | Benjamin Reed | Owen O’Malley | 
| HADOOP-1006 | The “-local” option does work properly with test programs | Minor | test | Gautam Kowshik | Doug Cutting | 
| HADOOP-990 | Datanode doesn’t retry when write to one (full)drive fail | Major | . | Koji Noguchi | Raghu Angadi | 
| HADOOP-564 | we should use hdfs:// in all API URIs | Major | . | eric baldeschwieler | Wendy Chien | 
| HADOOP-654 | jobs fail with some hardware/system failures on a small number of nodes | Minor | . | Yoram Arnon | Arun C Murthy | 
| HADOOP-1029 | streaming doesn’t work with multiple maps | Blocker | . | Arun C Murthy | Arun C Murthy | 
| HADOOP-1034 | RuntimeException and Error not catched in DataNode.DataXceiver.run() | Major | . | Philippe Gassmann |  | 
| HADOOP-878 | reducer NONE does not work with multiple maps | Minor | . | Mahadev konar | Arun C Murthy | 
| HADOOP-1039 | Reduce the time taken by TestCheckpoint | Major | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-1027 | Fix the RAM FileSystem/Merge problems (reported in HADOOP-1014) | Major | . | Devaraj Das | Devaraj Das | 
| HADOOP-1036 | task gets lost during assignment | Critical | . | Owen O’Malley | Arun C Murthy | 
| HADOOP-1044 | TestDecommission fails because it attempts to transfer block to a dead datanode | Major | test | Wendy Chien | Wendy Chien | 
| HADOOP-109 | Blocks are not replicated when… | Major | . | Konstantin Shvachko | Konstantin Shvachko | 
| HADOOP-1020 | Path class on Windows seems broken | Major | . | Nigel Daley | Doug Cutting | 
| HADOOP-1000 | Loggers in the Task framework should not write the the Tasks stderr | Major | . | Owen O’Malley | Arun C Murthy | 
| HADOOP-1037 | bin/slaves.sh not compatible with /bin/dash | Major | . | Doug Cutting |  | 
| HADOOP-1046 | Datanode should periodically clean up /tmp from partially received (and not completed) block files | Major | . | Andrzej Bialecki | Andrzej Bialecki | 
| HADOOP-1049 | race condition in setting up ipc connections | Major | ipc | Owen O’Malley | Devaraj Das | 
| HADOOP-1056 | Decommission only recognizes IP addesses in hosts and exclude files on refresh. | Major | . | Wendy Chien | Wendy Chien | 
| HADOOP-994 | DFS Scalability : a BlockReport that returns large number of blocks-to-be-deleted cause datanode to lost connectivity to namenode | Major | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-338 | the number of maps in the JobConf does not match reality | Major | . | Owen O’Malley | Owen O’Malley |