| HADOOP-2738 | Text is not subclassable because set(Text) and compareTo(Object) access the other instance’s private members directly | Minor | io | Jim Kellerman | Jim Kellerman | 
| HADOOP-2779 | build scripts broken by moving hbase to subproject | Major | build | Owen O’Malley | Owen O’Malley | 
| HADOOP-2194 | dfs cat on a file that does not exist throws a java IOException | Major | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-2767 | org.apache.hadoop.net.NetworkTopology.InnerNode#getLeaf does not return the last node on a rack when used with an excluded node | Minor | . | Mark Butler | Hairong Kuang | 
| HADOOP-2193 | dfs rm and rmr commands differ from POSIX standards | Major | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-2191 | dfs du and dus commands differ from POSIX standards | Major | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-2190 | dfs ls and lsr commands differ from POSIX standards | Major | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-2832 | bad code indentation in DFSClient | Major | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-2195 | dfs mkdir command differs from POSIX standards | Major | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-2844 | A SequenceFile.Reader object is not closed properly in CopyFiles | Major | util | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze | 
| HADOOP-2727 | Web UI links to Hadoop homepage has to change to new hadoop homepage | Blocker | . | Amareshwari Sriramadasu | Amareshwari Sriramadasu | 
| HADOOP-1902 | du command throws an exception when the directory is not specified | Major | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-2655 | Copy on write for data and metadata files in the presence of snapshots | Major | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-2871 | Unit tests (16) fail on Windows due to java.lang.IllegalArgumentException causing MiniMRCluster to not start up | Blocker | . | Mukund Madhugiri | Amareshwari Sriramadasu | 
| HADOOP-2800 | SetFile.Writer deprecated by mistake? | Trivial | io | Johan Oskarsson | Johan Oskarsson | 
| HADOOP-2891 | The dfsclient on exit deletes files that are open and not closed. | Major | . | Mahadev konar | dhruba borthakur | 
| HADOOP-2845 | dfsadmin disk utilization report on Solaris is wrong | Major | fs | Martin Traverso | Martin Traverso | 
| HADOOP-1967 | hadoop dfs -ls, -get, -mv command’s source/destination URI are inconsistent | Major | . | Lohit Vijayarenu | Doug Cutting | 
| HADOOP-2790 | TaskInProgress.hasSpeculativeTask is very inefficient | Major | . | Owen O’Malley | Owen O’Malley | 
| HADOOP-2912 | Unit test fails: org.apache.hadoop.dfs.TestFsck.testFsck. This is a regression | Blocker | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-2817 | Remove deprecated mapred.tasktracker.tasks.maximum and clusterStatus.getMaxTasks() | Major | . | Amareshwari Sriramadasu | Amareshwari Sriramadasu | 
| HADOOP-2934 | NPE while loading  FSImage | Major | . | Raghu Angadi | dhruba borthakur | 
| HADOOP-2346 | DataNode should have timeout on socket writes. | Major | . | Raghu Angadi | Raghu Angadi | 
| HADOOP-2938 | some of the fs commands don’t globPaths. | Major | fs | Raghu Angadi | Tsz Wo Nicholas Sze | 
| HADOOP-2943 | Compression for intermediate map output is broken | Major | . | Chris Douglas | Chris Douglas | 
| HADOOP-2870 | Datanode.shutdown() and Namenode.stop() should close all rpc connections | Major | ipc | Hairong Kuang | Hairong Kuang | 
| HADOOP-2973 | Unit test fails on Windows: org.apache.hadoop.dfs.TestLocalDFS.testWorkingDirectory | Blocker | . | Mukund Madhugiri | Tsz Wo Nicholas Sze | 
| HADOOP-2971 | SocketTimeoutException in unit tests | Major | io | Raghu Angadi | Raghu Angadi | 
| HADOOP-2955 | ant test fail for TestCrcCorruption with OutofMemory. | Blocker | . | Mahadev konar | Raghu Angadi | 
| HADOOP-2974 | ipc unit tests fail due to connection errors | Blocker | ipc | Mukund Madhugiri | Raghu Angadi | 
| HADOOP-2995 | StreamBaseRecordReader’s getProgress returns just 0 or 1 | Minor | . | Dave Brosius | Dave Brosius | 
| HADOOP-2972 | org.apache.hadoop.dfs.TestDFSShell.testErrOutPut fails on Windows with NullPointerException | Blocker | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-2908 | forrest docs for dfs shell commands and semantics. | Major | documentation | Mahadev konar | Mahadev konar | 
| HADOOP-3009 | TestFileCreation fails while restarting cluster | Major | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-2992 | Sequential distributed upgrades. | Major | test | Konstantin Shvachko | Konstantin Shvachko | 
| HADOOP-2863 | FSDataOutputStream should not flush() inside close(). | Major | fs | Raghu Angadi | Raghu Angadi | 
| HADOOP-2679 | There is a small typeo in hdfs_test.c when testing the success of the local hadoop initialization | Trivial | . | Jason | dhruba borthakur | 
| HADOOP-2976 | Blocks staying underreplicated (for unclosed file) | Minor | . | Koji Noguchi | dhruba borthakur | 
| HADOOP-2901 | the job tracker should not start 2 info servers | Blocker | . | Owen O’Malley | Amareshwari Sriramadasu | 
| HADOOP-2890 | HDFS should recover when  replicas of block have different sizes (due to corrupted block) | Major | . | Lohit Vijayarenu | dhruba borthakur | 
| HADOOP-2806 | Streaming has no way to force entire record (or null) as key | Minor | . | Marco Nicosia | Amareshwari Sriramadasu | 
| HADOOP-2924 | HOD is trying to bring up task tracker on  port which is already in close_wait state | Critical | contrib/hod | Aroop Maliakkal | Vinod Kumar Vavilapalli | 
| HADOOP-2970 | Wrong class definition for hodlib/Hod/hod.py for Python < 2.5.1 | Major | contrib/hod | Luca Telloli | Vinod Kumar Vavilapalli | 
| HADOOP-3008 | SocketIOWithTimeout does not handle thread interruption | Major | . | Raghu Angadi | Raghu Angadi | 
| HADOOP-3006 | DataNode sends wrong length in header while pipelining. | Major | . | Raghu Angadi | Raghu Angadi | 
| HADOOP-3029 | Misleading log message “firstbadlink” printed by datanodes | Major | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-2606 | Namenode unstable when replicating 500k blocks at once | Major | . | Koji Noguchi | Konstantin Shvachko | 
| HADOOP-3030 | InMemoryFileSystem.reserveSpaceWithChecksum does not look at failures while reserving space for the file in question | Major | fs | Devaraj Das | Devaraj Das | 
| HADOOP-3036 | Fix findBugs warnings in UpgradeUtilities. | Major | test | Konstantin Shvachko | Konstantin Shvachko | 
| HADOOP-2848 | [HOD] If a cluster directory is deleted, hod -o list must show it, and deallocate should work. | Major | contrib/hod | Hemanth Yamijala | Hemanth Yamijala | 
| HADOOP-2783 | hod/hodlib/Common/xmlrpc.py uses HodInterruptException without importing it | Minor | contrib/hod | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli | 
| HADOOP-2936 | HOD should generate hdfs://host:port on the client side configs. | Major | contrib/hod | Mahadev konar | Vinod Kumar Vavilapalli | 
| HADOOP-2899 | [HOD] hdfs:///mapredsystem directory not cleaned up after deallocation | Major | contrib/hod | Luca Telloli | Hemanth Yamijala | 
| HADOOP-3025 | ChecksumFileSystem needs to support the new delete method | Blocker | fs | Devaraj Das | Mahadev konar | 
| HADOOP-3012 | dfs -mv file to user home directory fails silently if the user home directory does not exist | Blocker | fs | Mukund Madhugiri | Mahadev konar | 
| HADOOP-2373 | Name node silently changes state | Major | . | Robert Chansler | Konstantin Shvachko | 
| HADOOP-3066 | Should not require superuser privilege to query if hdfs is in safe mode | Major | . | Jim Kellerman | Jim Kellerman | 
| HADOOP-3040 | Streaming should assume an empty key if the first character on a line is the seperator (stream.map.output.field.separator, by default, tab) | Major | . | Amareshwari Sriramadasu | Amareshwari Sriramadasu | 
| HADOOP-3080 | Remove flush calls from JobHistory | Blocker | . | Devaraj Das | Amareshwari Sriramadasu | 
| HADOOP-3086 | Test case was missed in commit of HADOOP-3040 | Major | . | Amareshwari Sriramadasu | Amareshwari Sriramadasu | 
| HADOOP-2983 | [HOD] local_fqdn() returns None when gethostbyname_ex doesnt return any FQDNs. | Blocker | contrib/hod | Craig Macdonald | Hemanth Yamijala | 
| HADOOP-2119 | JobTracker becomes non-responsive if the task trackers finish task too fast | Critical | . | Runping Qi | Amar Kamat | 
| HADOOP-3094 | BytesWritable.toString prints bytes above 0x80 as FFFFFF80 | Major | io | Owen O’Malley | Owen O’Malley | 
| HADOOP-3067 | DFSInputStream ‘pread’ does not close its sockets | Blocker | . | Raghu Angadi | Raghu Angadi | 
| HADOOP-3073 | SocketOutputStream.close() should close the channel. | Blocker | ipc | Raghu Angadi | Raghu Angadi | 
| HADOOP-3087 | JobInfo session object is not refreshed in loadHistory.jsp  if same job is accessed again. | Major | . | Amareshwari Sriramadasu | Amareshwari Sriramadasu | 
| HADOOP-2982 | [HOD] checknodes should look for free nodes without the jobs attribute | Blocker | contrib/hod | Hemanth Yamijala | Hemanth Yamijala | 
| HADOOP-3065 | Namenode does not process block report if the rack-location script is not provided on namenode | Blocker | . | dhruba borthakur | Devaraj Das | 
| HADOOP-3064 | Exception with file globbing closures | Major | . | Tom White | Hairong Kuang | 
| HADOOP-3114 | TestDFSShell fails on Windows. | Major | fs | Konstantin Shvachko | Lohit Vijayarenu | 
| HADOOP-2855 | [HOD] HOD fails to allocate a cluster if the tarball specified is a relative path | Blocker | contrib/hod | Hemanth Yamijala | Vinod Kumar Vavilapalli | 
| HADOOP-3093 | ma/reduce throws the following exception if “io.serializations” is not set: | Major | . | Runping Qi | Amareshwari Sriramadasu | 
| HADOOP-3106 | Update documentation in mapred_tutorial to add Debugging | Major | documentation | Amareshwari Sriramadasu | Amareshwari Sriramadasu | 
| HADOOP-2932 | Trash initialization generates “deprecated filesystem name” warning even if the name is correct. | Blocker | conf, fs | Konstantin Shvachko | Mahadev konar | 
| HADOOP-3118 | Namenode NPE while loading fsimage after a cluster upgrade from older disk format | Blocker | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-3161 | TestFileAppend fails on Mac since HADOOP-2655 was committed | Minor | test | Nigel Daley | Nigel Daley | 
| HADOOP-2927 | Unit test fails on Windows: org.apache.hadoop.fs.TestDU.testDU | Blocker | fs | Mukund Madhugiri | Konstantin Shvachko | 
| HADOOP-3089 | streaming should accept stderr from task before first key arrives | Major | . | Rick Cox | Rick Cox | 
| HADOOP-3140 | JobTracker should not try to promote a (map) task if it does not write to DFS at all | Major | . | Runping Qi | Amar Kamat | 
| HADOOP-3146 | DFSOutputStream.flush should be renamed as DFSOutputStream.fsync | Blocker | . | Runping Qi | dhruba borthakur | 
| HADOOP-3165 | FsShell no longer accepts stdin as a source for -put/-copyFromLocal | Blocker | . | Chris Douglas | Lohit Vijayarenu | 
| HADOOP-3041 | Within a task, the value ofJobConf.getOutputPath() method is modified | Blocker | . | Alejandro Abdelnur | Amareshwari Sriramadasu | 
| HADOOP-3083 | Remove lease when file is renamed | Blocker | . | dhruba borthakur | dhruba borthakur | 
| HADOOP-3168 | reduce amount of logging in hadoop streaming | Major | . | Joydeep Sen Sarma | Zheng Shao | 
| HADOOP-3166 | SpillThread throws ArrayIndexOutOfBoundsException, which is ignored by MapTask | Blocker | . | Chris Douglas | Chris Douglas | 
| HADOOP-3050 | Cluster fall into infinite loop trying to replicate a block to a target that aready has this replica. | Blocker | . | Konstantin Shvachko | Hairong Kuang | 
| HADOOP-3044 | NNBench does not use the right configuration for the mapper | Major | test | Hairong Kuang | Hairong Kuang | 
| HADOOP-3178 | gridmix scripts for small and medium jobs need to be changed to handle input paths differently | Blocker | test | Mukund Madhugiri | Mukund Madhugiri | 
| HADOOP-1911 | infinite loop in dfs -cat command. | Blocker | . | Koji Noguchi | Chris Douglas | 
| HADOOP-3157 | TestMiniMRLocalFS fails in trunk on Windows | Blocker | test | Lohit Vijayarenu | Doug Cutting | 
| HADOOP-3018 | Eclipse plugin fails to compile due to missing RPC.stopClient() method | Blocker | contrib/eclipse-plugin | Tom White | Christophe Taton | 
| HADOOP-3183 | Unit test fails on Windows: TestJobShell.testJobShell | Blocker | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-3175 | “-get file -” does not work | Blocker | fs | Raghu Angadi | Edward J. Yoon | 
| HADOOP-3220 | Safemode log message need to be corrected. | Major | . | Konstantin Shvachko | Konstantin Shvachko | 
| HADOOP-3208 | WritableDeserializer does not pass the Configuration to deserialized Writables | Blocker | . | Enis Soztutar | Enis Soztutar | 
| HADOOP-3224 | hadoop dfs -du /dirPath does not work with hadoop-0.17 branch | Blocker | . | Runping Qi | Lohit Vijayarenu | 
| HADOOP-3223 | Hadoop dfs -help for permissions contains a typo | Blocker | . | Milind Bhandarkar | Raghu Angadi | 
| HADOOP-1373 | checkPath() throws IllegalArgumentException | Blocker | fs | Konstantin Shvachko | Edward J. Yoon | 
| HADOOP-3204 | LocalFSMerger needs to catch throwable | Blocker | . | Koji Noguchi | Amar Kamat | 
| HADOOP-3153 | [HOD] Hod should deallocate cluster if there’s a problem in writing information to the state file | Major | contrib/hod | Hemanth Yamijala | Vinod Kumar Vavilapalli | 
| HADOOP-3229 | Map OutputCollector does not report progress on writes | Major | . | Alejandro Abdelnur | Doug Cutting | 
| HADOOP-3225 | FsShell showing null instead of a error message | Blocker | . | Tsz Wo Nicholas Sze | Mahadev konar | 
| HADOOP-3247 | gridmix scripts have a few bugs | Major | test | Runping Qi | Runping Qi | 
| HADOOP-3242 | SequenceFileAsBinaryRecordReader seems always to read from the start of a file, not the start of the split. | Major | . | Runping Qi | Chris Douglas | 
| HADOOP-3256 | JobHistory file on HDFS should not use the ‘job name’ | Blocker | . | Arun C Murthy | Arun C Murthy | 
| HADOOP-3162 | Map/reduce stops working with comma separated input paths | Blocker | . | Runping Qi | Amareshwari Sriramadasu | 
| HADOOP-3124 | DFS data node should not use hard coded 10 minutes as write timeout. | Major | . | Runping Qi | Raghu Angadi | 
| HADOOP-3263 | job history browser throws exception if job name or user name is null. | Blocker | . | Amareshwari Sriramadasu | Arun C Murthy | 
| HADOOP-3251 | WARN message on command line when a hadoop jar command is executed | Blocker | . | Mukund Madhugiri | Arun C Murthy | 
| HADOOP-3237 | Unit test failed on windows: TestDFSShell.testErrOutPut | Blocker | . | Mukund Madhugiri | Mahadev konar | 
| HADOOP-3279 | TaskTracker should check for SUCCEEDED task status in addition to COMMIT_PENDING status when it fails maps due to lost map outputs | Blocker | . | Devaraj Das | Devaraj Das | 
| HADOOP-3286 | Gridmix jobs’  output dir names may collide | Major | test | Runping Qi | Runping Qi | 
| HADOOP-3285 | map tasks with node local splits do not always read from local nodes | Blocker | . | Runping Qi | Owen O’Malley | 
| HADOOP-3031 | Remove compiler warnings for ant test | Minor | . | Amareshwari Sriramadasu | Chris Douglas | 
| HADOOP-3372 | TestUlimit fails on LINUX | Blocker | . | Lohit Vijayarenu | Arun C Murthy | 
| HADOOP-3322 | Hadoop rpc metrics do not get pushed to the MetricsRecord | Blocker | metrics | girish vaitheeswaran | girish vaitheeswaran | 
| HADOOP-3382 | Memory leak when files are not cleanly closed | Blocker | . | Raghu Angadi | Raghu Angadi | 
| HADOOP-3701 | Too many trash sockets and trash pipes opened | Major | . | He Yongqiang |  |