| HADOOP-8176 | Disambiguate the destination of FsShell copies | Major | fs | Daryn Sharp | Daryn Sharp |
| HADOOP-8146 | FsShell commands cannot be interrupted | Major | fs | Daryn Sharp | Daryn Sharp |
| HADOOP-8140 | dfs -getmerge should process its argments better | Major | . | arkady borkovsky | Daryn Sharp |
| HADOOP-8137 | Site side links for commands manual (MAPREDUCE-3497) | Major | documentation | Vinod Kumar Vavilapalli | Thomas Graves |
| HADOOP-8123 | hadoop-project invalid pom warnings prevent transitive dependency resolution | Critical | build | Jonathan Eagles | Jonathan Eagles |
| HADOOP-8083 | javadoc generation for some modules is not done under target/ | Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
| HADOOP-8082 | add hadoop-client and hadoop-minicluster to the dependency-management section | Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
| HADOOP-8074 | Small bug in hadoop error message for unknown commands | Trivial | scripts | Eli Collins | Colin Patrick McCabe |
| HADOOP-8066 | The full docs build intermittently fails | Major | build | Aaron T. Myers | Andrew Bayer |
| HADOOP-8064 | Remove unnecessary dependency on w3c.org in document processing | Major | build | Kihwal Lee | Kihwal Lee |
| HADOOP-8057 | hadoop-setup-conf.sh not working because of some extra spaces. | Major | scripts | Vinayakumar B | Vinayakumar B |
| HADOOP-8051 | HttpFS documentation it is not wired to the generated site | Major | documentation | Alejandro Abdelnur | Alejandro Abdelnur |
| HADOOP-8050 | Deadlock in metrics | Major | metrics | Kihwal Lee | Kihwal Lee |
| HADOOP-8046 | Revert StaticMapping semantics to the existing ones, add DNS mapping diagnostics in progress | Minor | . | Steve Loughran | Steve Loughran |
| HADOOP-8042 | When copying a file out of HDFS, modifying it, and uploading it back into HDFS, the put fails due to a CRC mismatch | Critical | fs | Kevin J. Price | Daryn Sharp |
| HADOOP-8036 | TestViewFsTrash assumes the user's home directory is 2 levels deep | Major | fs, test | Eli Collins | Colin Patrick McCabe |
| HADOOP-8035 | Hadoop Maven site is inefficient and runs phases redundantly | Minor | build | Andrew Bayer | Andrew Bayer |
| HADOOP-7874 | native libs should be under lib/native/ dir | Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
| HADOOP-7660 | Maven generated .classpath doesnot includes “target/generated-test-source/java” as source directory. | Minor | build | Laxman | Laxman |
| HADOOP-6502 | DistributedFileSystem#listStatus is very slow when listing a directory with a size of 1300 | Critical | util | Hairong Kuang | Sharad Agarwal |
| HDFS-3853 | Port MiniDFSCluster enableManagedDfsDirsRedundancy option to branch-2 | Minor | namenode | Colin Patrick McCabe | Colin Patrick McCabe |
| HDFS-3160 | httpfs should exec catalina instead of forking it | Major | scripts | Roman Shaposhnik | Roman Shaposhnik |
| HDFS-3101 | cannot read empty file using webhdfs | Major | webhdfs | Zhanwei Wang | Tsz Wo Nicholas Sze |
| HDFS-3032 | Lease renewer tries forever even if renewal is not possible | Major | hdfs-client | Kihwal Lee | Kihwal Lee |
| HDFS-3012 | Exception while renewing delegation token | Critical | . | Ramya Sunil | Robert Joseph Evans |
| HDFS-3008 | Negative caching of local addrs doesn't work | Major | hdfs-client | Eli Collins | Eli Collins |
| HDFS-3006 | Webhdfs “SETOWNER” call returns incorrect content-type | Major | webhdfs | bc Wong | Tsz Wo Nicholas Sze |
| HDFS-2969 | ExtendedBlock.equals is incorrectly implemented | Critical | datanode | Todd Lipcon | Todd Lipcon |
| HDFS-2950 | Secondary NN HTTPS address should be listed as a NAMESERVICE_SPECIFIC_KEY | Minor | namenode | Todd Lipcon | Todd Lipcon |
| HDFS-2944 | Typo in hdfs-default.xml causes dfs.client.block.write.replace-datanode-on-failure.enable to be mistakenly disabled | Major | hdfs-client | Aaron T. Myers | Aaron T. Myers |
| HDFS-2938 | Recursive delete of a large directory makes namenode unresponsive | Major | namenode | Suresh Srinivas | Hari Mankude |
| HDFS-2815 | Namenode is not coming out of safemode when we perform ( NN crash + restart ) . Also FSCK report shows blocks missed. | Critical | namenode | Uma Maheswara Rao G | Uma Maheswara Rao G |
| HDFS-2764 | TestBackupNode is racy | Major | namenode, test | Aaron T. Myers | Aaron T. Myers |
| HDFS-2725 | hdfs script usage information is missing the information about “dfs” command | Major | hdfs-client | Prashant Sharma | |
| HDFS-2525 | Race between BlockPoolSliceScanner and append | Critical | datanode | Todd Lipcon | Brandon Li |
| HDFS-776 | Fix exception handling in Balancer | Critical | balancer & mover | Owen O'Malley | Uma Maheswara Rao G |
| MAPREDUCE-4061 | RM only has 1 AM launcher thread | Blocker | mrv2 | Thomas Graves | Thomas Graves |
| MAPREDUCE-4043 | Secret keys set in Credentials are not seen by tasks | Blocker | mrv2, security | Jason Lowe | Jason Lowe |
| MAPREDUCE-4034 | Unable to view task logs on history server with mapreduce.job.acl-view-job=* | Blocker | mrv2 | Jason Lowe | Jason Lowe |
| MAPREDUCE-4025 | AM can crash if task attempt reports bogus progress value | Blocker | mr-am, mrv2 | Jason Lowe | Jason Lowe |
| MAPREDUCE-4006 | history server container log web UI sometimes combines stderr/stdout/syslog contents together | Major | jobhistoryserver, mrv2 | Jason Lowe | Siddharth Seth |
| MAPREDUCE-4005 | AM container logs URL is broken for completed apps when log aggregation is enabled | Major | mrv2 | Jason Lowe | Jason Lowe |
| MAPREDUCE-3982 | TestEmptyJob fails with FileNotFound | Critical | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
| MAPREDUCE-3977 | LogAggregationService leaks log aggregator objects | Critical | mrv2, nodemanager | Jason Lowe | Jason Lowe |
| MAPREDUCE-3976 | TestRMContainerAllocator failing | Major | mrv2 | Bikas Saha | Jason Lowe |
| MAPREDUCE-3975 | Default value not set for Configuration parameter mapreduce.job.local.dir | Blocker | mrv2 | Eric Payne | Eric Payne |
| MAPREDUCE-3964 | ResourceManager does not have JVM metrics | Critical | mrv2, resourcemanager | Jason Lowe | Jason Lowe |
| MAPREDUCE-3961 | Map/ReduceSlotMillis computation incorrect | Major | mrv2 | Siddharth Seth | Siddharth Seth |
| MAPREDUCE-3960 | web proxy doesn't forward request to AM with configured hostname/IP | Critical | mrv2 | Thomas Graves | Thomas Graves |
| MAPREDUCE-3954 | Clean up passing HEAPSIZE to yarn and mapred commands. | Blocker | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
| MAPREDUCE-3931 | MR tasks failing due to changing timestamps on Resources to download | Major | mrv2 | Vinod Kumar Vavilapalli | Siddharth Seth |
| MAPREDUCE-3930 | The AM page for a Reducer that has not been launched causes an NPE | Critical | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
| MAPREDUCE-3929 | output of mapred -showacl is not clear | Major | mrv2 | John George | John George |
| MAPREDUCE-3920 | Revise yarn default port number selection | Major | nodemanager, resourcemanager | Dave Thompson | Dave Thompson |
| MAPREDUCE-3918 | proc_historyserver no longer in command line arguments for HistoryServer | Major | mrv2 | Jonathan Eagles | Jonathan Eagles |
| MAPREDUCE-3913 | RM application webpage is unresponsive after 2000 jobs | Critical | mrv2, webapps | Jason Lowe | Jason Lowe |
| MAPREDUCE-3910 | user not allowed to submit jobs even though queue -showacls shows it allows | Blocker | mrv2 | John George | John George |
| MAPREDUCE-3904 | [NPE] Job history produced with mapreduce.cluster.acls.enabled false can not be viewed with mapreduce.cluster.acls.enabled true | Major | mrv2 | Jonathan Eagles | Jonathan Eagles |
| MAPREDUCE-3903 | no admin override to view jobs on mr app master and job history server | Critical | mrv2 | Thomas Graves | Thomas Graves |
| MAPREDUCE-3897 | capacity scheduler - maxActiveApplicationsPerUser calculation can be wrong | Critical | mrv2 | Thomas Graves | Eric Payne |
| MAPREDUCE-3896 | pig job through oozie hangs | Blocker | jobhistoryserver, mrv2 | John George | Vinod Kumar Vavilapalli |
| MAPREDUCE-3884 | PWD should be first in the classpath of MR tasks | Critical | mrv2 | Alejandro Abdelnur | Alejandro Abdelnur |
| MAPREDUCE-3878 | Null user on filtered jobhistory job page | Critical | mrv2 | Jonathan Eagles | Jonathan Eagles |
| MAPREDUCE-3866 | bin/yarn prints the command line unnecessarily | Minor | mrv2 | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
| MAPREDUCE-3862 | Nodemanager can appear to hang on shutdown due to lingering DeletionService threads | Major | mrv2, nodemanager | Jason Lowe | Jason Lowe |
| MAPREDUCE-3852 | test TestLinuxResourceCalculatorPlugin failing | Blocker | mrv2 | Thomas Graves | Thomas Graves |
| MAPREDUCE-3816 | capacity scheduler web ui bar graphs for used capacity wrong | Critical | mrv2 | Thomas Graves | Thomas Graves |
| MAPREDUCE-3792 | job -list displays only the jobs submitted by a particular user | Critical | mrv2 | Ramya Sunil | Jason Lowe |
| MAPREDUCE-3790 | Broken pipe on streaming job can lead to truncated output for a successful job | Major | contrib/streaming, mrv2 | Jason Lowe | Jason Lowe |
| MAPREDUCE-3738 | NM can hang during shutdown if AppLogAggregatorImpl thread dies unexpectedly | Critical | mrv2, nodemanager | Jason Lowe | Jason Lowe |
| MAPREDUCE-3706 | HTTP Circular redirect error on the job attempts page | Critical | mrv2 | Thomas Graves | Robert Joseph Evans |
| MAPREDUCE-3687 | If AM dies before it returns new tracking URL, proxy redirects to http://N/A/ and doesn't return error code | Major | mrv2 | David Capwell | Ravi Prakash |
| MAPREDUCE-3686 | history server web ui - job counter values for map/reduce not shown properly | Critical | mrv2 | Thomas Graves | Bhallamudi Venkata Siva Kamesh |
| MAPREDUCE-3680 | FifoScheduler web service rest API can print out invalid JSON | Major | mrv2 | Thomas Graves | |
| MAPREDUCE-3634 | All daemons should crash instead of hanging around when their EventHandlers get exceptions | Major | mrv2 | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
| MAPREDUCE-3614 | finalState UNDEFINED if AM is killed by hand | Major | mrv2 | Ravi Prakash | Ravi Prakash |
| MAPREDUCE-3583 | ProcfsBasedProcessTree#constructProcessInfo() may throw NumberFormatException | Critical | . | Ted Yu | Ted Yu |
| MAPREDUCE-3497 | missing documentation for yarn cli and subcommands - similar to commands_manual.html | Major | documentation, mrv2 | Thomas Graves | Thomas Graves |
| MAPREDUCE-3034 | NM should act on a REBOOT command from RM | Critical | mrv2, nodemanager | Vinod Kumar Vavilapalli | Devaraj K |
| MAPREDUCE-3009 | RM UI -> Applications -> Application(Job History) -> Map Tasks -> Task ID -> Node link is not working | Major | jobhistoryserver, mrv2 | chackaravarthy | chackaravarthy |
| MAPREDUCE-2855 | ResourceBundle lookup during counter name resolution takes a lot of time | Major | . | Todd Lipcon | Siddharth Seth |
| MAPREDUCE-2793 | [MR-279] Maintain consistency in naming appIDs, jobIDs and attemptIDs | Critical | mrv2 | Ramya Sunil | Bikas Saha |