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From a.@apache.org
Subject [29/51] [partial] hadoop git commit: HADOOP-14364. refresh changelog/release notes with newer Apache Yetus build
Date Fri, 01 Sep 2017 02:08:46 GMT
http://git-wip-us.apache.org/repos/asf/hadoop/blob/19041008/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.0/CHANGES.0.23.0.md
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.0/CHANGES.0.23.0.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.0/CHANGES.0.23.0.md
index cefa86d..9fa1489 100644
--- a/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.0/CHANGES.0.23.0.md
+++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/0.23.0/CHANGES.0.23.0.md
@@ -24,1165 +24,1159 @@
 
 | JIRA | Summary | Priority | Component | Reporter | Contributor |
 |:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-7547](https://issues.apache.org/jira/browse/HADOOP-7547) | Fix the warning in writable classes.[ WritableComparable is a raw type. References to generic type WritableComparable\<T\> should be parameterized  ] |  Minor | io | Uma Maheswara Rao G | Uma Maheswara Rao G |
-| [HADOOP-7507](https://issues.apache.org/jira/browse/HADOOP-7507) | jvm metrics all use the same namespace |  Major | metrics | Jeff Bean | Alejandro Abdelnur |
-| [HADOOP-7374](https://issues.apache.org/jira/browse/HADOOP-7374) | Don't add tools.jar to the classpath when running Hadoop |  Major | scripts | Eli Collins | Eli Collins |
-| [HADOOP-7331](https://issues.apache.org/jira/browse/HADOOP-7331) | Make hadoop-daemon.sh to return 1 if daemon processes did not get started |  Trivial | scripts | Tanping Wang | Tanping Wang |
-| [HADOOP-7286](https://issues.apache.org/jira/browse/HADOOP-7286) | Refactor FsShell's du/dus/df |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7264](https://issues.apache.org/jira/browse/HADOOP-7264) | Bump avro version to at least 1.4.1 |  Major | io | Luke Lu | Luke Lu |
-| [HADOOP-7227](https://issues.apache.org/jira/browse/HADOOP-7227) | Remove protocol version check at proxy creation in Hadoop RPC. |  Major | ipc | Jitendra Nath Pandey | Jitendra Nath Pandey |
-| [HADOOP-7153](https://issues.apache.org/jira/browse/HADOOP-7153) | MapWritable violates contract of Map interface for equals() and hashCode() |  Minor | io | Nicholas Telford | Nicholas Telford |
-| [HADOOP-7136](https://issues.apache.org/jira/browse/HADOOP-7136) | Remove failmon contrib |  Major | . | Nigel Daley | Nigel Daley |
-| [HADOOP-6949](https://issues.apache.org/jira/browse/HADOOP-6949) | Reduces RPC packet size for primitive arrays, especially long[], which is used at block reporting |  Major | io | Navis | Matt Foley |
-| [HADOOP-6921](https://issues.apache.org/jira/browse/HADOOP-6921) | metrics2: metrics plugins |  Major | . | Luke Lu | Luke Lu |
-| [HADOOP-6920](https://issues.apache.org/jira/browse/HADOOP-6920) | Metrics2: metrics instrumentation |  Major | . | Luke Lu | Luke Lu |
-| [HADOOP-6904](https://issues.apache.org/jira/browse/HADOOP-6904) | A baby step towards inter-version RPC communications |  Major | ipc | Hairong Kuang | Hairong Kuang |
+| [HDFS-1526](https://issues.apache.org/jira/browse/HDFS-1526) | Dfs client name for a map/reduce task should have some randomness |  Major | hdfs-client | Hairong Kuang | Hairong Kuang |
+| [HDFS-1560](https://issues.apache.org/jira/browse/HDFS-1560) | dfs.data.dir permissions should default to 700 |  Minor | datanode | Todd Lipcon | Todd Lipcon |
+| [HDFS-1536](https://issues.apache.org/jira/browse/HDFS-1536) | Improve HDFS WebUI |  Major | . | Hairong Kuang | Hairong Kuang |
 | [HADOOP-6864](https://issues.apache.org/jira/browse/HADOOP-6864) | Provide a JNI-based implementation of ShellBasedUnixGroupsNetgroupMapping (implementation of GroupMappingServiceProvider) |  Major | security | Erik Steffl | Boris Shkolnik |
+| [HADOOP-6904](https://issues.apache.org/jira/browse/HADOOP-6904) | A baby step towards inter-version RPC communications |  Major | ipc | Hairong Kuang | Hairong Kuang |
 | [HADOOP-6432](https://issues.apache.org/jira/browse/HADOOP-6432) | Statistics support in FileContext |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
-| [HADOOP-6255](https://issues.apache.org/jira/browse/HADOOP-6255) | Create an rpm integration project |  Major | . | Owen O'Malley | Eric Yang |
-| [HADOOP-2081](https://issues.apache.org/jira/browse/HADOOP-2081) | Configuration getInt, getLong, and getFloat replace invalid numbers with the default value |  Major | conf | Owen O'Malley | Harsh J |
-| [HDFS-2210](https://issues.apache.org/jira/browse/HDFS-2210) | Remove hdfsproxy |  Major | contrib/hdfsproxy | Eli Collins | Eli Collins |
-| [HDFS-2202](https://issues.apache.org/jira/browse/HDFS-2202) | Changes to balancer bandwidth should not require datanode restart. |  Major | balancer & mover, datanode | Eric Payne | Eric Payne |
-| [HDFS-2107](https://issues.apache.org/jira/browse/HDFS-2107) | Move block management code to a package |  Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-2087](https://issues.apache.org/jira/browse/HDFS-2087) | Add methods to DataTransferProtocol interface |  Major | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-2066](https://issues.apache.org/jira/browse/HDFS-2066) | Create a package and individual class files for DataTransferProtocol |  Major | datanode, hdfs-client, namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-2058](https://issues.apache.org/jira/browse/HDFS-2058) | DataTransfer Protocol using protobufs |  Major | . | Todd Lipcon | Todd Lipcon |
-| [HDFS-1966](https://issues.apache.org/jira/browse/HDFS-1966) | Encapsulate individual DataTransferProtocol op header |  Major | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1963](https://issues.apache.org/jira/browse/HDFS-1963) | HDFS rpm integration project |  Major | build | Eric Yang | Eric Yang |
-| [HDFS-1945](https://issues.apache.org/jira/browse/HDFS-1945) | Removed deprecated fields in DataTransferProtocol |  Major | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1761](https://issues.apache.org/jira/browse/HDFS-1761) | Add a new DataTransferProtocol operation, Op.TRANSFER\_BLOCK, instead of using RPC |  Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1723](https://issues.apache.org/jira/browse/HDFS-1723) | quota errors messages should use the same scale |  Minor | . | Allen Wittenauer | Jim Plush |
+| [HADOOP-7136](https://issues.apache.org/jira/browse/HADOOP-7136) | Remove failmon contrib |  Major | . | Nigel Daley | Nigel Daley |
+| [HADOOP-7153](https://issues.apache.org/jira/browse/HADOOP-7153) | MapWritable violates contract of Map interface for equals() and hashCode() |  Minor | io | Nicholas Telford | Nicholas Telford |
 | [HDFS-1703](https://issues.apache.org/jira/browse/HDFS-1703) | HDFS federation: Improve start/stop scripts and add script to decommission datanodes |  Minor | scripts | Tanping Wang | Tanping Wang |
 | [HDFS-1675](https://issues.apache.org/jira/browse/HDFS-1675) | Transfer RBW between datanodes |  Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-6949](https://issues.apache.org/jira/browse/HADOOP-6949) | Reduces RPC packet size for primitive arrays, especially long[], which is used at block reporting |  Major | io | Navis | Matt Foley |
+| [HDFS-1761](https://issues.apache.org/jira/browse/HDFS-1761) | Add a new DataTransferProtocol operation, Op.TRANSFER\_BLOCK, instead of using RPC |  Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
 | [HDFS-1606](https://issues.apache.org/jira/browse/HDFS-1606) | Provide a stronger data guarantee in the write pipeline |  Major | datanode, hdfs-client, namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1560](https://issues.apache.org/jira/browse/HDFS-1560) | dfs.data.dir permissions should default to 700 |  Minor | datanode | Todd Lipcon | Todd Lipcon |
-| [HDFS-1536](https://issues.apache.org/jira/browse/HDFS-1536) | Improve HDFS WebUI |  Major | . | Hairong Kuang | Hairong Kuang |
-| [HDFS-1526](https://issues.apache.org/jira/browse/HDFS-1526) | Dfs client name for a map/reduce task should have some randomness |  Major | hdfs-client | Hairong Kuang | Hairong Kuang |
+| [HADOOP-7227](https://issues.apache.org/jira/browse/HADOOP-7227) | Remove protocol version check at proxy creation in Hadoop RPC. |  Major | ipc | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HADOOP-6920](https://issues.apache.org/jira/browse/HADOOP-6920) | Metrics2: metrics instrumentation |  Major | . | Luke Lu | Luke Lu |
+| [HADOOP-6921](https://issues.apache.org/jira/browse/HADOOP-6921) | metrics2: metrics plugins |  Major | . | Luke Lu | Luke Lu |
 | [HDFS-1117](https://issues.apache.org/jira/browse/HDFS-1117) | HDFS portion of HADOOP-6728 (ovehaul metrics framework) |  Major | . | Luke Lu | Luke Lu |
-| [HDFS-1073](https://issues.apache.org/jira/browse/HDFS-1073) | Simpler model for Namenode's fs Image and edit Logs |  Major | . | Sanjay Radia | Todd Lipcon |
-| [MAPREDUCE-3205](https://issues.apache.org/jira/browse/MAPREDUCE-3205) | MR2 memory limits should be pmem, not vmem |  Blocker | mrv2, nodemanager | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-3041](https://issues.apache.org/jira/browse/MAPREDUCE-3041) | Enhance YARN Client-RM protocol to provide access to information such as cluster's Min/Max Resource capabilities similar to that of AM-RM protocol |  Blocker | mrv2 | Hitesh Shah | Hitesh Shah |
-| [MAPREDUCE-2736](https://issues.apache.org/jira/browse/MAPREDUCE-2736) | Remove unused contrib components dependent on MR1 |  Major | jobtracker, tasktracker | Eli Collins | Eli Collins |
-| [MAPREDUCE-2606](https://issues.apache.org/jira/browse/MAPREDUCE-2606) | Remove IsolationRunner |  Major | . | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HDFS-1945](https://issues.apache.org/jira/browse/HDFS-1945) | Removed deprecated fields in DataTransferProtocol |  Major | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-7286](https://issues.apache.org/jira/browse/HADOOP-7286) | Refactor FsShell's du/dus/df |  Major | fs | Daryn Sharp | Daryn Sharp |
+| [HADOOP-6255](https://issues.apache.org/jira/browse/HADOOP-6255) | Create an rpm integration project |  Major | . | Owen O'Malley | Eric Yang |
+| [HDFS-1963](https://issues.apache.org/jira/browse/HDFS-1963) | HDFS rpm integration project |  Major | build | Eric Yang | Eric Yang |
 | [MAPREDUCE-2455](https://issues.apache.org/jira/browse/MAPREDUCE-2455) | Remove deprecated JobTracker.State in favour of JobTrackerStatus |  Major | build, client | Tom White | Tom White |
+| [HDFS-1966](https://issues.apache.org/jira/browse/HDFS-1966) | Encapsulate individual DataTransferProtocol op header |  Major | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-7331](https://issues.apache.org/jira/browse/HADOOP-7331) | Make hadoop-daemon.sh to return 1 if daemon processes did not get started |  Trivial | scripts | Tanping Wang | Tanping Wang |
+| [HDFS-2058](https://issues.apache.org/jira/browse/HDFS-2058) | DataTransfer Protocol using protobufs |  Major | . | Todd Lipcon | Todd Lipcon |
 | [MAPREDUCE-2430](https://issues.apache.org/jira/browse/MAPREDUCE-2430) | Remove mrunit contrib |  Major | . | Nigel Daley | Nigel Daley |
+| [HADOOP-7374](https://issues.apache.org/jira/browse/HADOOP-7374) | Don't add tools.jar to the classpath when running Hadoop |  Major | scripts | Eli Collins | Eli Collins |
+| [HDFS-2066](https://issues.apache.org/jira/browse/HDFS-2066) | Create a package and individual class files for DataTransferProtocol |  Major | datanode, hdfs-client, namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-2087](https://issues.apache.org/jira/browse/HDFS-2087) | Add methods to DataTransferProtocol interface |  Major | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-1723](https://issues.apache.org/jira/browse/HDFS-1723) | quota errors messages should use the same scale |  Minor | . | Allen Wittenauer | Jim Plush |
+| [HDFS-2107](https://issues.apache.org/jira/browse/HDFS-2107) | Move block management code to a package |  Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [MAPREDUCE-2606](https://issues.apache.org/jira/browse/MAPREDUCE-2606) | Remove IsolationRunner |  Major | . | Alejandro Abdelnur | Alejandro Abdelnur |
+| [HADOOP-2081](https://issues.apache.org/jira/browse/HADOOP-2081) | Configuration getInt, getLong, and getFloat replace invalid numbers with the default value |  Major | conf | Owen O'Malley | Harsh J |
+| [HDFS-2210](https://issues.apache.org/jira/browse/HDFS-2210) | Remove hdfsproxy |  Major | contrib/hdfsproxy | Eli Collins | Eli Collins |
+| [HDFS-1073](https://issues.apache.org/jira/browse/HDFS-1073) | Simpler model for Namenode's fs Image and edit Logs |  Major | . | Sanjay Radia | Todd Lipcon |
+| [HDFS-2202](https://issues.apache.org/jira/browse/HDFS-2202) | Changes to balancer bandwidth should not require datanode restart. |  Major | balancer & mover, datanode | Eric Payne | Eric Payne |
 | [MAPREDUCE-1738](https://issues.apache.org/jira/browse/MAPREDUCE-1738) | MapReduce portion of HADOOP-6728 (ovehaul metrics framework) |  Major | . | Luke Lu | Luke Lu |
-
-
-### IMPORTANT ISSUES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7264](https://issues.apache.org/jira/browse/HADOOP-7264) | Bump avro version to at least 1.4.1 |  Major | io | Luke Lu | Luke Lu |
+| [HADOOP-7547](https://issues.apache.org/jira/browse/HADOOP-7547) | Fix the warning in writable classes.[ WritableComparable is a raw type. References to generic type WritableComparable\<T\> should be parameterized  ] |  Minor | io | Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [HADOOP-7507](https://issues.apache.org/jira/browse/HADOOP-7507) | jvm metrics all use the same namespace |  Major | metrics | Jeff Bean | Alejandro Abdelnur |
+| [MAPREDUCE-3041](https://issues.apache.org/jira/browse/MAPREDUCE-3041) | Enhance YARN Client-RM protocol to provide access to information such as cluster's Min/Max Resource capabilities similar to that of AM-RM protocol |  Blocker | mrv2 | Hitesh Shah | Hitesh Shah |
+| [MAPREDUCE-3205](https://issues.apache.org/jira/browse/MAPREDUCE-3205) | MR2 memory limits should be pmem, not vmem |  Blocker | mrv2, nodemanager | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-2736](https://issues.apache.org/jira/browse/MAPREDUCE-2736) | Remove unused contrib components dependent on MR1 |  Major | jobtracker, tasktracker | Eli Collins | Eli Collins |
 
 
 ### NEW FEATURES:
 
 | JIRA | Summary | Priority | Component | Reporter | Contributor |
 |:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-7705](https://issues.apache.org/jira/browse/HADOOP-7705) | Add a log4j back end that can push out JSON data, one per line |  Minor | util | Steve Loughran | Steve Loughran |
-| [HADOOP-7594](https://issues.apache.org/jira/browse/HADOOP-7594) | Support HTTP REST in HttpServer |  Major | . | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-7493](https://issues.apache.org/jira/browse/HADOOP-7493) | [HDFS-362] Provide ShortWritable class in hadoop. |  Major | io | Uma Maheswara Rao G | Uma Maheswara Rao G |
-| [HADOOP-7443](https://issues.apache.org/jira/browse/HADOOP-7443) | Add CRC32C as another DataChecksum implementation |  Major | io, util | Todd Lipcon | Todd Lipcon |
+| [HDFS-1448](https://issues.apache.org/jira/browse/HDFS-1448) | Create multi-format parser for edits logs file, support binary and XML formats initially |  Major | tools | Erik Steffl | Erik Steffl |
+| [MAPREDUCE-2438](https://issues.apache.org/jira/browse/MAPREDUCE-2438) | MR-279: WebApp for Job History |  Major | mrv2 | Mahadev konar | Krishna Ramachandran |
+| [HDFS-1751](https://issues.apache.org/jira/browse/HDFS-1751) | Intrinsic limits for HDFS files, directories |  Major | datanode | Daryn Sharp | Daryn Sharp |
+| [HDFS-1052](https://issues.apache.org/jira/browse/HDFS-1052) | HDFS scalability with multiple namenodes |  Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [MAPREDUCE-2434](https://issues.apache.org/jira/browse/MAPREDUCE-2434) | MR-279: ResourceManager metrics |  Major | mrv2 | Luke Lu | Luke Lu |
+| [HDFS-1873](https://issues.apache.org/jira/browse/HDFS-1873) | Federation Cluster Management Web Console |  Major | . | Tanping Wang | Tanping Wang |
 | [HADOOP-7257](https://issues.apache.org/jira/browse/HADOOP-7257) | A client side mount table to give per-application/per-job file system view |  Major | . | Sanjay Radia | Sanjay Radia |
 | [HADOOP-7214](https://issues.apache.org/jira/browse/HADOOP-7214) | Hadoop /usr/bin/groups equivalent |  Major | . | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-7206](https://issues.apache.org/jira/browse/HADOOP-7206) | Integrate Snappy compression |  Major | . | Eli Collins | Alejandro Abdelnur |
-| [HADOOP-7144](https://issues.apache.org/jira/browse/HADOOP-7144) | Expose JMX with something like JMXProxyServlet |  Major | . | Luke Lu | Robert Joseph Evans |
-| [HADOOP-7119](https://issues.apache.org/jira/browse/HADOOP-7119) | add Kerberos HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles |  Major | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-6889](https://issues.apache.org/jira/browse/HADOOP-6889) | Make RPC to have an option to timeout |  Major | ipc | Hairong Kuang | John George |
-| [HADOOP-6385](https://issues.apache.org/jira/browse/HADOOP-6385) | dfs does not support -rmdir (was HDFS-639) |  Minor | fs | Scott Phillips | Daryn Sharp |
-| [HDFS-2471](https://issues.apache.org/jira/browse/HDFS-2471) | Add Federation feature, configuration and tools documentation |  Major | documentation | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-2083](https://issues.apache.org/jira/browse/HDFS-2083) | Adopt JMXJsonServlet into HDFS in order to query statistics |  Major | . | Tanping Wang | Tanping Wang |
-| [HDFS-2055](https://issues.apache.org/jira/browse/HDFS-2055) | Add hflush support to libhdfs |  Major | libhdfs | Travis Crawford | Travis Crawford |
-| [HDFS-1873](https://issues.apache.org/jira/browse/HDFS-1873) | Federation Cluster Management Web Console |  Major | . | Tanping Wang | Tanping Wang |
 | [HDFS-1814](https://issues.apache.org/jira/browse/HDFS-1814) | HDFS portion of HADOOP-7214 - Hadoop /usr/bin/groups equivalent |  Major | hdfs-client, namenode | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-1751](https://issues.apache.org/jira/browse/HDFS-1751) | Intrinsic limits for HDFS files, directories |  Major | datanode | Daryn Sharp | Daryn Sharp |
-| [HDFS-1448](https://issues.apache.org/jira/browse/HDFS-1448) | Create multi-format parser for edits logs file, support binary and XML formats initially |  Major | tools | Erik Steffl | Erik Steffl |
-| [HDFS-1330](https://issues.apache.org/jira/browse/HDFS-1330) | Make RPCs to DataNodes timeout |  Major | datanode | Hairong Kuang | John George |
-| [HDFS-1052](https://issues.apache.org/jira/browse/HDFS-1052) | HDFS scalability with multiple namenodes |  Major | namenode | Suresh Srinivas | Suresh Srinivas |
-| [MAPREDUCE-2719](https://issues.apache.org/jira/browse/MAPREDUCE-2719) | MR-279: Write a shell command application |  Major | mrv2 | Sharad Agarwal | Hitesh Shah |
-| [MAPREDUCE-2692](https://issues.apache.org/jira/browse/MAPREDUCE-2692) | Ensure AM Restart and Recovery-on-restart is complete |  Major | mrv2 | Amol Kekre | Sharad Agarwal |
-| [MAPREDUCE-2543](https://issues.apache.org/jira/browse/MAPREDUCE-2543) | [Gridmix] Add support for HighRam jobs |  Major | contrib/gridmix | Amar Kamat | Amar Kamat |
+| [MAPREDUCE-2473](https://issues.apache.org/jira/browse/MAPREDUCE-2473) | MR portion of HADOOP-7214 - Hadoop /usr/bin/groups equivalent |  Major | jobtracker | Aaron T. Myers | Aaron T. Myers |
+| [MAPREDUCE-461](https://issues.apache.org/jira/browse/MAPREDUCE-461) | Enable ServicePlugins for the JobTracker |  Minor | . | Fredrik Hedberg | Fredrik Hedberg |
+| [MAPREDUCE-2407](https://issues.apache.org/jira/browse/MAPREDUCE-2407) | Make Gridmix emulate usage of Distributed Cache files |  Major | contrib/gridmix | Ravi Gummadi | Ravi Gummadi |
 | [MAPREDUCE-2533](https://issues.apache.org/jira/browse/MAPREDUCE-2533) | MR-279: Metrics for reserved resource in ResourceManager |  Major | mrv2 | Luke Lu | Luke Lu |
-| [MAPREDUCE-2532](https://issues.apache.org/jira/browse/MAPREDUCE-2532) | MR-279: Metrics for NodeManager |  Major | mrv2 | Luke Lu | Luke Lu |
 | [MAPREDUCE-2527](https://issues.apache.org/jira/browse/MAPREDUCE-2527) | MR-279: Metrics for MRAppMaster |  Major | mrv2 | Luke Lu | Luke Lu |
-| [MAPREDUCE-2521](https://issues.apache.org/jira/browse/MAPREDUCE-2521) | Mapreduce RPM integration project |  Major | build | Eric Yang | Eric Yang |
-| [MAPREDUCE-2473](https://issues.apache.org/jira/browse/MAPREDUCE-2473) | MR portion of HADOOP-7214 - Hadoop /usr/bin/groups equivalent |  Major | jobtracker | Aaron T. Myers | Aaron T. Myers |
-| [MAPREDUCE-2438](https://issues.apache.org/jira/browse/MAPREDUCE-2438) | MR-279: WebApp for Job History |  Major | mrv2 | Mahadev konar | Krishna Ramachandran |
-| [MAPREDUCE-2434](https://issues.apache.org/jira/browse/MAPREDUCE-2434) | MR-279: ResourceManager metrics |  Major | mrv2 | Luke Lu | Luke Lu |
+| [MAPREDUCE-2532](https://issues.apache.org/jira/browse/MAPREDUCE-2532) | MR-279: Metrics for NodeManager |  Major | mrv2 | Luke Lu | Luke Lu |
 | [MAPREDUCE-2408](https://issues.apache.org/jira/browse/MAPREDUCE-2408) | Make Gridmix emulate usage of data compression |  Major | contrib/gridmix | Ravi Gummadi | Amar Kamat |
-| [MAPREDUCE-2407](https://issues.apache.org/jira/browse/MAPREDUCE-2407) | Make Gridmix emulate usage of Distributed Cache files |  Major | contrib/gridmix | Ravi Gummadi | Ravi Gummadi |
+| [MAPREDUCE-2521](https://issues.apache.org/jira/browse/MAPREDUCE-2521) | Mapreduce RPM integration project |  Major | build | Eric Yang | Eric Yang |
+| [MAPREDUCE-2543](https://issues.apache.org/jira/browse/MAPREDUCE-2543) | [Gridmix] Add support for HighRam jobs |  Major | contrib/gridmix | Amar Kamat | Amar Kamat |
+| [HADOOP-7144](https://issues.apache.org/jira/browse/HADOOP-7144) | Expose JMX with something like JMXProxyServlet |  Major | . | Luke Lu | Robert Joseph Evans |
+| [HDFS-2055](https://issues.apache.org/jira/browse/HDFS-2055) | Add hflush support to libhdfs |  Major | libhdfs | Travis Crawford | Travis Crawford |
+| [HDFS-2083](https://issues.apache.org/jira/browse/HDFS-2083) | Adopt JMXJsonServlet into HDFS in order to query statistics |  Major | . | Tanping Wang | Tanping Wang |
+| [HADOOP-7206](https://issues.apache.org/jira/browse/HADOOP-7206) | Integrate Snappy compression |  Major | . | Eli Collins | Alejandro Abdelnur |
 | [MAPREDUCE-2323](https://issues.apache.org/jira/browse/MAPREDUCE-2323) | Add metrics to the fair scheduler |  Major | contrib/fair-share | Todd Lipcon | Todd Lipcon |
+| [HADOOP-7443](https://issues.apache.org/jira/browse/HADOOP-7443) | Add CRC32C as another DataChecksum implementation |  Major | io, util | Todd Lipcon | Todd Lipcon |
+| [HADOOP-6385](https://issues.apache.org/jira/browse/HADOOP-6385) | dfs does not support -rmdir (was HDFS-639) |  Minor | fs | Scott Phillips | Daryn Sharp |
 | [MAPREDUCE-2037](https://issues.apache.org/jira/browse/MAPREDUCE-2037) | Capturing interim progress times, CPU usage, and memory usage, when tasks reach certain progress thresholds |  Major | . | Dick King | Dick King |
+| [HADOOP-7493](https://issues.apache.org/jira/browse/HADOOP-7493) | [HDFS-362] Provide ShortWritable class in hadoop. |  Major | io | Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [HDFS-1330](https://issues.apache.org/jira/browse/HDFS-1330) | Make RPCs to DataNodes timeout |  Major | datanode | Hairong Kuang | John George |
+| [HADOOP-7594](https://issues.apache.org/jira/browse/HADOOP-7594) | Support HTTP REST in HttpServer |  Major | . | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-7119](https://issues.apache.org/jira/browse/HADOOP-7119) | add Kerberos HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles |  Major | security | Alejandro Abdelnur | Alejandro Abdelnur |
+| [MAPREDUCE-2719](https://issues.apache.org/jira/browse/MAPREDUCE-2719) | MR-279: Write a shell command application |  Major | mrv2 | Sharad Agarwal | Hitesh Shah |
+| [HADOOP-6889](https://issues.apache.org/jira/browse/HADOOP-6889) | Make RPC to have an option to timeout |  Major | ipc | Hairong Kuang | John George |
+| [HADOOP-7705](https://issues.apache.org/jira/browse/HADOOP-7705) | Add a log4j back end that can push out JSON data, one per line |  Minor | util | Steve Loughran | Steve Loughran |
+| [HDFS-2471](https://issues.apache.org/jira/browse/HDFS-2471) | Add Federation feature, configuration and tools documentation |  Major | documentation | Suresh Srinivas | Suresh Srinivas |
 | [MAPREDUCE-1938](https://issues.apache.org/jira/browse/MAPREDUCE-1938) | Ability for having user's classes take precedence over the system classes for tasks' classpath |  Blocker | job submission, task, tasktracker | Devaraj Das | Krishna Ramachandran |
-| [MAPREDUCE-461](https://issues.apache.org/jira/browse/MAPREDUCE-461) | Enable ServicePlugins for the JobTracker |  Minor | . | Fredrik Hedberg | Fredrik Hedberg |
+| [MAPREDUCE-2692](https://issues.apache.org/jira/browse/MAPREDUCE-2692) | Ensure AM Restart and Recovery-on-restart is complete |  Major | mrv2 | Amol Kekre | Sharad Agarwal |
 
 
 ### IMPROVEMENTS:
 
 | JIRA | Summary | Priority | Component | Reporter | Contributor |
 |:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-8619](https://issues.apache.org/jira/browse/HADOOP-8619) | WritableComparator must implement no-arg constructor |  Major | io | Radim Kolar | Chris Douglas |
-| [HADOOP-7789](https://issues.apache.org/jira/browse/HADOOP-7789) | Minor edits to top-level site |  Major | . | Arun C Murthy | Arun C Murthy |
-| [HADOOP-7785](https://issues.apache.org/jira/browse/HADOOP-7785) | Add equals, hashcode, toString to DataChecksum |  Major | io, util | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7772](https://issues.apache.org/jira/browse/HADOOP-7772) | javadoc the topology classes |  Trivial | . | Steve Loughran | Steve Loughran |
-| [HADOOP-7763](https://issues.apache.org/jira/browse/HADOOP-7763) | Add top-level navigation to APT docs |  Major | documentation | Tom White | Tom White |
-| [HADOOP-7749](https://issues.apache.org/jira/browse/HADOOP-7749) | Add NetUtils call which provides more help in exception messages |  Minor | util | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7743](https://issues.apache.org/jira/browse/HADOOP-7743) | Add Maven profile to create a full source tarball |  Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-7737](https://issues.apache.org/jira/browse/HADOOP-7737) | normalize hadoop-mapreduce & hadoop-dist dist/tar build with common/hdfs |  Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-7720](https://issues.apache.org/jira/browse/HADOOP-7720) | improve the hadoop-setup-conf.sh to read in the hbase user and setup the configs |  Major | conf | Arpit Gupta | Arpit Gupta |
-| [HADOOP-7710](https://issues.apache.org/jira/browse/HADOOP-7710) | create a script to setup application in order to create root directories for application such hbase, hcat, hive etc |  Major | . | Arpit Gupta | Arpit Gupta |
-| [HADOOP-7709](https://issues.apache.org/jira/browse/HADOOP-7709) | Running a set of methods in a Single Test Class |  Major | . | Jonathan Eagles | Jonathan Eagles |
-| [HADOOP-7707](https://issues.apache.org/jira/browse/HADOOP-7707) | improve config generator to allow users to specify proxy user, turn append on or off, turn webhdfs on or off |  Major | conf | Arpit Gupta | Arpit Gupta |
-| [HADOOP-7668](https://issues.apache.org/jira/browse/HADOOP-7668) | Add a NetUtils method that can tell if an InetAddress belongs to local host |  Minor | util | Suresh Srinivas | Steve Loughran |
-| [HADOOP-7664](https://issues.apache.org/jira/browse/HADOOP-7664) | o.a.h.conf.Configuration complains of overriding final parameter even if the value with which its attempting to override is the same. |  Minor | conf | Ravi Prakash | Ravi Prakash |
-| [HADOOP-7655](https://issues.apache.org/jira/browse/HADOOP-7655) | provide a small validation script that smoke tests the installed cluster |  Major | . | Arpit Gupta | Arpit Gupta |
-| [HADOOP-7642](https://issues.apache.org/jira/browse/HADOOP-7642) | create hadoop-dist module where TAR stitching would happen |  Major | build | Alejandro Abdelnur | Tom White |
-| [HADOOP-7627](https://issues.apache.org/jira/browse/HADOOP-7627) | Improve MetricsAsserts to give more understandable output on failure |  Minor | metrics, test | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7624](https://issues.apache.org/jira/browse/HADOOP-7624) | Set things up for a top level hadoop-tools module |  Major | build | Vinod Kumar Vavilapalli | Alejandro Abdelnur |
-| [HADOOP-7612](https://issues.apache.org/jira/browse/HADOOP-7612) | Change test-patch to run tests for all nested modules |  Major | build | Tom White | Tom White |
-| [HADOOP-7595](https://issues.apache.org/jira/browse/HADOOP-7595) | Upgrade dependency to Avro 1.5.3 |  Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-7555](https://issues.apache.org/jira/browse/HADOOP-7555) | Add a eclipse-generated files to .gitignore |  Trivial | build | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-7552](https://issues.apache.org/jira/browse/HADOOP-7552) | FileUtil#fullyDelete doesn't throw IOE but lists it in the throws clause |  Minor | fs | Eli Collins | Eli Collins |
-| [HADOOP-7531](https://issues.apache.org/jira/browse/HADOOP-7531) | Add servlet util methods for handling paths in requests |  Major | util | Eli Collins | Eli Collins |
-| [HADOOP-7509](https://issues.apache.org/jira/browse/HADOOP-7509) | Improve message when Authentication is required |  Trivial | . | Ravi Prakash | Ravi Prakash |
-| [HADOOP-7491](https://issues.apache.org/jira/browse/HADOOP-7491) | hadoop command should respect HADOOP\_OPTS when given a class name |  Major | scripts | Eli Collins | Eli Collins |
-| [HADOOP-7474](https://issues.apache.org/jira/browse/HADOOP-7474) | Refactor ClientCache out of WritableRpcEngine. |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
-| [HADOOP-7472](https://issues.apache.org/jira/browse/HADOOP-7472) | RPC client should deal with the IP address changes |  Minor | ipc | Kihwal Lee | Kihwal Lee |
-| [HADOOP-7463](https://issues.apache.org/jira/browse/HADOOP-7463) | Adding a configuration parameter to SecurityInfo interface. |  Minor | . | Mahadev konar | Mahadev konar |
-| [HADOOP-7460](https://issues.apache.org/jira/browse/HADOOP-7460) | Support for pluggable Trash policies |  Major | fs | dhruba borthakur | Usman Masood |
-| [HADOOP-7457](https://issues.apache.org/jira/browse/HADOOP-7457) | Remove out-of-date Chinese language documentation |  Blocker | documentation | Jakob Homan | Jakob Homan |
-| [HADOOP-7451](https://issues.apache.org/jira/browse/HADOOP-7451) | merge for MR-279: Generalize StringUtils#join |  Major | . | Matt Foley | Matt Foley |
-| [HADOOP-7449](https://issues.apache.org/jira/browse/HADOOP-7449) | merge for MR-279: add Data(In,Out)putByteBuffer to work with ByteBuffer similar to Data(In,Out)putBuffer for byte[] |  Major | . | Matt Foley | Matt Foley |
-| [HADOOP-7448](https://issues.apache.org/jira/browse/HADOOP-7448) | merge for MR-279: HttpServer /stacks servlet should use plain text content type |  Major | . | Matt Foley | Matt Foley |
-| [HADOOP-7446](https://issues.apache.org/jira/browse/HADOOP-7446) | Implement CRC32C native code using SSE4.2 instructions |  Major | native, performance | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7445](https://issues.apache.org/jira/browse/HADOOP-7445) | Implement bulk checksum verification using efficient native code |  Major | native, util | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7444](https://issues.apache.org/jira/browse/HADOOP-7444) | Add Checksum API to verify and calculate checksums "in bulk" |  Major | . | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7438](https://issues.apache.org/jira/browse/HADOOP-7438) | Using the hadoop-deamon.sh script to start nodes leads to a depricated warning |  Major | . | Ravi Prakash | Ravi Prakash |
-| [HADOOP-7434](https://issues.apache.org/jira/browse/HADOOP-7434) | Display error when using "daemonlog -setlevel" with illegal level |  Minor | . | 严金双 | 严金双 |
-| [HADOOP-7430](https://issues.apache.org/jira/browse/HADOOP-7430) | Improve error message when moving to trash fails due to quota issue |  Minor | fs | Ravi Prakash | Ravi Prakash |
-| [HADOOP-7392](https://issues.apache.org/jira/browse/HADOOP-7392) | Implement capability of querying individual property of a mbean using JMXProxyServlet |  Major | . | Tanping Wang | Tanping Wang |
-| [HADOOP-7384](https://issues.apache.org/jira/browse/HADOOP-7384) | Allow test-patch to be more flexible about patch format |  Major | . | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7379](https://issues.apache.org/jira/browse/HADOOP-7379) | Add ability to include Protobufs in ObjectWritable |  Major | io, ipc | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7375](https://issues.apache.org/jira/browse/HADOOP-7375) | Add resolvePath method to FileContext |  Major | . | Sanjay Radia | Sanjay Radia |
-| [HADOOP-7361](https://issues.apache.org/jira/browse/HADOOP-7361) | Provide overwrite option (-overwrite/-f) in put and copyFromLocal command line options |  Minor | fs | Uma Maheswara Rao G | Uma Maheswara Rao G |
-| [HADOOP-7360](https://issues.apache.org/jira/browse/HADOOP-7360) | FsShell does not preserve relative paths with globs |  Major | fs | Daryn Sharp | Kihwal Lee |
-| [HADOOP-7337](https://issues.apache.org/jira/browse/HADOOP-7337) | Annotate PureJavaCrc32 as a public API |  Minor | util | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-7333](https://issues.apache.org/jira/browse/HADOOP-7333) | Performance improvement in PureJavaCrc32 |  Minor | performance, util | Eric Caspole | Eric Caspole |
-| [HADOOP-7329](https://issues.apache.org/jira/browse/HADOOP-7329) | incomplete help message  is displayed for df -h option |  Minor | fs | XieXianshan | XieXianshan |
-| [HADOOP-7328](https://issues.apache.org/jira/browse/HADOOP-7328) | When a serializer class is missing, return null, not throw an NPE. |  Major | io | Harsh J | Harsh J |
-| [HADOOP-7320](https://issues.apache.org/jira/browse/HADOOP-7320) | Refactor FsShell's copy & move commands |  Major | . | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7316](https://issues.apache.org/jira/browse/HADOOP-7316) | Add public javadocs to FSDataInputStream and FSDataOutputStream |  Major | documentation | Jonathan Hsieh | Eli Collins |
-| [HADOOP-7314](https://issues.apache.org/jira/browse/HADOOP-7314) | Add support for throwing UnknownHostException when a host doesn't resolve |  Major | . | Jeffrey Naisbitt | Jeffrey Naisbitt |
-| [HADOOP-7306](https://issues.apache.org/jira/browse/HADOOP-7306) | Start metrics system even if config files are missing |  Major | metrics | Luke Lu | Luke Lu |
-| [HADOOP-7305](https://issues.apache.org/jira/browse/HADOOP-7305) | Eclipse project files are incomplete |  Minor | build | Niels Basjes | Niels Basjes |
-| [HADOOP-7301](https://issues.apache.org/jira/browse/HADOOP-7301) | FSDataInputStream should expose a getWrappedStream method |  Major | . | Jonathan Hsieh | Jonathan Hsieh |
-| [HADOOP-7289](https://issues.apache.org/jira/browse/HADOOP-7289) | ivy: test conf should not extend common conf |  Major | build | Tsz Wo Nicholas Sze | Eric Yang |
-| [HADOOP-7285](https://issues.apache.org/jira/browse/HADOOP-7285) | Refactor FsShell's test |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7275](https://issues.apache.org/jira/browse/HADOOP-7275) | Refactor FsShell's stat |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7271](https://issues.apache.org/jira/browse/HADOOP-7271) | Standardize error messages |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7267](https://issues.apache.org/jira/browse/HADOOP-7267) | Refactor FsShell's rm/rmr/expunge |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7265](https://issues.apache.org/jira/browse/HADOOP-7265) | Keep track of relative paths |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7251](https://issues.apache.org/jira/browse/HADOOP-7251) | Refactor FsShell's getmerge |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7250](https://issues.apache.org/jira/browse/HADOOP-7250) | Refactor FsShell's setrep |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7249](https://issues.apache.org/jira/browse/HADOOP-7249) | Refactor FsShell's chmod/chown/chgrp |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7241](https://issues.apache.org/jira/browse/HADOOP-7241) | fix typo of command 'hadoop fs -help tail' |  Minor | fs, test | Wei Yongjun | Wei Yongjun |
-| [HADOOP-7238](https://issues.apache.org/jira/browse/HADOOP-7238) | Refactor FsShell's cat & text |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7237](https://issues.apache.org/jira/browse/HADOOP-7237) | Refactor FsShell's touchz |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7236](https://issues.apache.org/jira/browse/HADOOP-7236) | Refactor FsShell's mkdir |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7235](https://issues.apache.org/jira/browse/HADOOP-7235) | Refactor FsShell's tail |  Major | . | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7233](https://issues.apache.org/jira/browse/HADOOP-7233) | Refactor FsShell's ls |  Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7209](https://issues.apache.org/jira/browse/HADOOP-7209) | Extensions to FsShell |  Major | . | Olga Natkovich | Daryn Sharp |
-| [HADOOP-7205](https://issues.apache.org/jira/browse/HADOOP-7205) | automatically determine JAVA\_HOME on OS X |  Trivial | . | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7202](https://issues.apache.org/jira/browse/HADOOP-7202) | Improve Command base class |  Major | . | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7193](https://issues.apache.org/jira/browse/HADOOP-7193) | Help message is wrong for touchz command. |  Minor | fs | Uma Maheswara Rao G | Uma Maheswara Rao G |
-| [HADOOP-7180](https://issues.apache.org/jira/browse/HADOOP-7180) | Improve CommandFormat |  Minor | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-7177](https://issues.apache.org/jira/browse/HADOOP-7177) | CodecPool should report which compressor it is using |  Trivial | native | Allen Wittenauer | Allen Wittenauer |
-| [HADOOP-7167](https://issues.apache.org/jira/browse/HADOOP-7167) | Allow using a file to exclude certain tests from build |  Minor | . | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7159](https://issues.apache.org/jira/browse/HADOOP-7159) | RPC server should log the client hostname when read exception happened |  Trivial | ipc | Scott Chen | Scott Chen |
-| [HADOOP-7133](https://issues.apache.org/jira/browse/HADOOP-7133) | CLONE to COMMON - HDFS-1445 Batch the calls in DataStorage to FileUtil.createHardLink(), so we call it once per directory instead of once per file |  Major | util | Matt Foley | Matt Foley |
-| [HADOOP-7131](https://issues.apache.org/jira/browse/HADOOP-7131) | set() and toString Methods of the org.apache.hadoop.io.Text class does not include the root exception, in the wrapping RuntimeException. |  Minor | io | Uma Maheswara Rao G | Uma Maheswara Rao G |
-| [HADOOP-7117](https://issues.apache.org/jira/browse/HADOOP-7117) | Move secondary namenode checkpoint configs from core-default.xml to hdfs-default.xml |  Major | conf | Patrick Angeles | Harsh J |
-| [HADOOP-7114](https://issues.apache.org/jira/browse/HADOOP-7114) | FsShell should dump all exceptions at DEBUG level |  Minor | fs | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7112](https://issues.apache.org/jira/browse/HADOOP-7112) | Issue a warning when GenericOptionsParser libjars are not on local filesystem |  Major | conf, filecache | Tom White | Tom White |
-| [HADOOP-7096](https://issues.apache.org/jira/browse/HADOOP-7096) | Allow setting of end-of-record delimiter for TextInputFormat |  Major | . | Ahmed Radwan | Ahmed Radwan |
-| [HADOOP-7078](https://issues.apache.org/jira/browse/HADOOP-7078) | Add better javadocs for RawComparator interface |  Trivial | . | Todd Lipcon | Harsh J |
-| [HADOOP-7061](https://issues.apache.org/jira/browse/HADOOP-7061) | unprecise javadoc for CompressionCodec |  Minor | io | Jingguo Yao | Jingguo Yao |
-| [HADOOP-7060](https://issues.apache.org/jira/browse/HADOOP-7060) | A more elegant FileSystem#listCorruptFileBlocks API |  Major | fs | Hairong Kuang | Patrick Kling |
-| [HADOOP-7059](https://issues.apache.org/jira/browse/HADOOP-7059) | Remove "unused" warning in native code |  Major | native | Noah Watkins | Noah Watkins |
-| [HADOOP-7058](https://issues.apache.org/jira/browse/HADOOP-7058) | Expose number of bytes in FSOutputSummer buffer to implementatins |  Trivial | . | Todd Lipcon | Todd Lipcon |
-| [HADOOP-7049](https://issues.apache.org/jira/browse/HADOOP-7049) | TestReconfiguration should be junit v4 |  Trivial | conf | Patrick Kling | Patrick Kling |
-| [HADOOP-7048](https://issues.apache.org/jira/browse/HADOOP-7048) | Wrong description of Block-Compressed SequenceFile Format in SequenceFile's javadoc |  Minor | io | Jingguo Yao | Jingguo Yao |
 | [HADOOP-7042](https://issues.apache.org/jira/browse/HADOOP-7042) | Update test-patch.sh to include failed test names and move test-patch.properties |  Minor | test | Nigel Daley | Nigel Daley |
+| [HDFS-1510](https://issues.apache.org/jira/browse/HDFS-1510) | Add test-patch.properties required by test-patch.sh |  Minor | . | Nigel Daley | Nigel Daley |
+| [HDFS-1513](https://issues.apache.org/jira/browse/HDFS-1513) | Fix a number of warnings |  Minor | . | Eli Collins | Eli Collins |
+| [HDFS-1481](https://issues.apache.org/jira/browse/HDFS-1481) | NameNode should validate fsimage before rolling |  Major | namenode | Hairong Kuang | Hairong Kuang |
 | [HADOOP-7023](https://issues.apache.org/jira/browse/HADOOP-7023) | Add listCorruptFileBlocks to FileSystem |  Major | . | Patrick Kling | Patrick Kling |
-| [HADOOP-7014](https://issues.apache.org/jira/browse/HADOOP-7014) | Generalize CLITest structure and interfaces to facilitate upstream adoption (e.g. for web testing) |  Major | test | Konstantin Boudnik | Konstantin Boudnik |
-| [HADOOP-6994](https://issues.apache.org/jira/browse/HADOOP-6994) | Api to get delegation token in AbstractFileSystem |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
-| [HADOOP-6929](https://issues.apache.org/jira/browse/HADOOP-6929) | RPC should have a way to pass Security information other than protocol annotations |  Major | ipc, security | Sharad Agarwal | Sharad Agarwal |
-| [HADOOP-6887](https://issues.apache.org/jira/browse/HADOOP-6887) | Need a separate metrics per garbage collector |  Major | metrics | Bharath Mundlapudi | Luke Lu |
+| [HDFS-1458](https://issues.apache.org/jira/browse/HDFS-1458) | Improve checkpoint performance by avoiding unnecessary image downloads |  Major | namenode | Hairong Kuang | Hairong Kuang |
 | [HADOOP-6764](https://issues.apache.org/jira/browse/HADOOP-6764) | Add number of reader threads and queue length as configuration parameters in RPC.getServer |  Major | ipc | Dmytro Molkov | Dmytro Molkov |
+| [HADOOP-7049](https://issues.apache.org/jira/browse/HADOOP-7049) | TestReconfiguration should be junit v4 |  Trivial | conf | Patrick Kling | Patrick Kling |
+| [HDFS-1518](https://issues.apache.org/jira/browse/HDFS-1518) | Wrong description in FSNamesystem's javadoc |  Minor | namenode | Jingguo Yao | Jingguo Yao |
+| [MAPREDUCE-1752](https://issues.apache.org/jira/browse/MAPREDUCE-1752) | Implement getFileBlockLocations in HarFilesystem |  Major | harchive | Dmytro Molkov | Dmytro Molkov |
+| [MAPREDUCE-2155](https://issues.apache.org/jira/browse/MAPREDUCE-2155) | RaidNode should optionally dispatch map reduce jobs to fix corrupt blocks (instead of fixing locally) |  Major | contrib/raid | Patrick Kling | Patrick Kling |
+| [MAPREDUCE-1783](https://issues.apache.org/jira/browse/MAPREDUCE-1783) | Task Initialization should be delayed till when a job can be run |  Major | contrib/fair-share | Ramkumar Vadali | Ramkumar Vadali |
+| [MAPREDUCE-2156](https://issues.apache.org/jira/browse/MAPREDUCE-2156) | Raid-aware FSCK |  Major | contrib/raid | Patrick Kling | Patrick Kling |
+| [HDFS-1506](https://issues.apache.org/jira/browse/HDFS-1506) | Refactor fsimage loading code |  Major | namenode | Hairong Kuang | Hairong Kuang |
+| [HADOOP-7060](https://issues.apache.org/jira/browse/HADOOP-7060) | A more elegant FileSystem#listCorruptFileBlocks API |  Major | fs | Hairong Kuang | Patrick Kling |
+| [HADOOP-7058](https://issues.apache.org/jira/browse/HADOOP-7058) | Expose number of bytes in FSOutputSummer buffer to implementatins |  Trivial | . | Todd Lipcon | Todd Lipcon |
+| [HADOOP-7061](https://issues.apache.org/jira/browse/HADOOP-7061) | unprecise javadoc for CompressionCodec |  Minor | io | Jingguo Yao | Jingguo Yao |
+| [MAPREDUCE-1831](https://issues.apache.org/jira/browse/MAPREDUCE-1831) | BlockPlacement policy for RAID |  Major | contrib/raid | Scott Chen | Scott Chen |
+| [HADOOP-7059](https://issues.apache.org/jira/browse/HADOOP-7059) | Remove "unused" warning in native code |  Major | native | Noah Watkins | Noah Watkins |
+| [HDFS-1476](https://issues.apache.org/jira/browse/HDFS-1476) | listCorruptFileBlocks should be functional while the name node is still in safe mode |  Major | namenode | Patrick Kling | Patrick Kling |
+| [HDFS-1534](https://issues.apache.org/jira/browse/HDFS-1534) | Fix some incorrect logs in FSDirectory |  Minor | namenode | Eli Collins | Eli Collins |
+| [HADOOP-7078](https://issues.apache.org/jira/browse/HADOOP-7078) | Add better javadocs for RawComparator interface |  Trivial | . | Todd Lipcon | Harsh J |
+| [HDFS-1509](https://issues.apache.org/jira/browse/HDFS-1509) | Resync discarded directories in fs.name.dir during saveNamespace command |  Major | namenode | dhruba borthakur | dhruba borthakur |
+| [MAPREDUCE-1906](https://issues.apache.org/jira/browse/MAPREDUCE-1906) | Lower default minimum heartbeat interval for tasktracker \> Jobtracker |  Major | jobtracker, performance, tasktracker | Scott Carey | Todd Lipcon |
 | [HADOOP-6578](https://issues.apache.org/jira/browse/HADOOP-6578) | Configuration should trim whitespace around a lot of value types |  Minor | conf | Todd Lipcon | Michele Catasta |
+| [HDFS-1539](https://issues.apache.org/jira/browse/HDFS-1539) | prevent data loss when a cluster suffers a power loss |  Major | datanode, hdfs-client, namenode | dhruba borthakur | dhruba borthakur |
+| [MAPREDUCE-2207](https://issues.apache.org/jira/browse/MAPREDUCE-2207) | Task-cleanup task should not be scheduled on the node that the task just failed |  Major | jobtracker | Scott Chen | Liyin Liang |
+| [MAPREDUCE-2248](https://issues.apache.org/jira/browse/MAPREDUCE-2248) | DistributedRaidFileSystem should unraid only the corrupt block |  Major | . | Ramkumar Vadali | Ramkumar Vadali |
+| [HDFS-1547](https://issues.apache.org/jira/browse/HDFS-1547) | Improve decommission mechanism |  Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-1588](https://issues.apache.org/jira/browse/HDFS-1588) | Add dfs.hosts.exclude to DFSConfigKeys and use constant in stead of hardcoded string |  Major | . | Erik Steffl | Erik Steffl |
+| [MAPREDUCE-2250](https://issues.apache.org/jira/browse/MAPREDUCE-2250) | Fix logging in raid code. |  Trivial | contrib/raid | Ramkumar Vadali | Ramkumar Vadali |
+| [HDFS-1335](https://issues.apache.org/jira/browse/HDFS-1335) | HDFS side of HADOOP-6904: first step towards inter-version communications between dfs client and NameNode |  Major | hdfs-client, namenode | Hairong Kuang | Hairong Kuang |
+| [MAPREDUCE-2263](https://issues.apache.org/jira/browse/MAPREDUCE-2263) | MapReduce side of HADOOP-6904 |  Major | . | Hairong Kuang | Hairong Kuang |
 | [HADOOP-6436](https://issues.apache.org/jira/browse/HADOOP-6436) | Remove auto-generated native build files |  Major | . | Eli Collins | Roman Shaposhnik |
-| [HADOOP-6376](https://issues.apache.org/jira/browse/HADOOP-6376) | slaves file to have a header specifying the format of conf/slaves file |  Minor | conf | Karthik K | Karthik K |
-| [HADOOP-1886](https://issues.apache.org/jira/browse/HADOOP-1886) | Undocumented parameters in FilesSystem |  Trivial | fs | Konstantin Shvachko | Frank Conrad |
-| [HDFS-2521](https://issues.apache.org/jira/browse/HDFS-2521) | Remove custom checksum headers from data transfer protocol |  Major | datanode, hdfs-client | Todd Lipcon | Todd Lipcon |
-| [HDFS-2512](https://issues.apache.org/jira/browse/HDFS-2512) | Add textual error message to data transfer protocol responses |  Major | datanode, hdfs-client | Todd Lipcon | Todd Lipcon |
-| [HDFS-2507](https://issues.apache.org/jira/browse/HDFS-2507) | HA: Allow saveNamespace operations to be canceled |  Major | namenode | Todd Lipcon | Todd Lipcon |
-| [HDFS-2500](https://issues.apache.org/jira/browse/HDFS-2500) | Avoid file system operations in BPOfferService thread while processing deletes |  Major | datanode | Todd Lipcon | Todd Lipcon |
-| [HDFS-2485](https://issues.apache.org/jira/browse/HDFS-2485) | Improve code layout and constants in UnderReplicatedBlocks |  Trivial | datanode | Steve Loughran | Steve Loughran |
-| [HDFS-2465](https://issues.apache.org/jira/browse/HDFS-2465) | Add HDFS support for fadvise readahead and drop-behind |  Major | datanode, performance | Todd Lipcon | Todd Lipcon |
-| [HDFS-2401](https://issues.apache.org/jira/browse/HDFS-2401) | Running a set of methods in a Single Test Class |  Major | build | Jonathan Eagles | Jonathan Eagles |
-| [HDFS-2371](https://issues.apache.org/jira/browse/HDFS-2371) | Refactor BlockSender.java for better readability |  Major | datanode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-2355](https://issues.apache.org/jira/browse/HDFS-2355) | Federation: enable using the same configuration file across all the nodes in the cluster. |  Major | namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-2294](https://issues.apache.org/jira/browse/HDFS-2294) | Download of commons-daemon TAR should not be under target |  Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-2286](https://issues.apache.org/jira/browse/HDFS-2286) | DataXceiverServer logs AsynchronousCloseException at shutdown |  Trivial | datanode | Todd Lipcon | Todd Lipcon |
-| [HDFS-2273](https://issues.apache.org/jira/browse/HDFS-2273) | Refactor BlockManager.recentInvalidateSets to a new class |  Minor | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-2260](https://issues.apache.org/jira/browse/HDFS-2260) | Refactor BlockReader into an interface and implementation |  Major | hdfs-client | Todd Lipcon | Todd Lipcon |
-| [HDFS-2241](https://issues.apache.org/jira/browse/HDFS-2241) | Remove implementing FSConstants interface just to access the constants defined in the interface |  Major | . | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-2238](https://issues.apache.org/jira/browse/HDFS-2238) | NamenodeFsck.toString() uses StringBuilder with + operator |  Minor | namenode | Tsz Wo Nicholas Sze | Uma Maheswara Rao G |
-| [HDFS-2230](https://issues.apache.org/jira/browse/HDFS-2230) | hdfs it not resolving the latest common test jars published post common mavenization |  Major | build | Giridharan Kesavan | Giridharan Kesavan |
-| [HDFS-2227](https://issues.apache.org/jira/browse/HDFS-2227) | HDFS-2018 Part 2 :  getRemoteEditLogManifest should pull it's information from FileJournalManager |  Major | . | Ivan Kelly | Ivan Kelly |
-| [HDFS-2226](https://issues.apache.org/jira/browse/HDFS-2226) | Clean up counting of operations in FSEditLogLoader |  Trivial | namenode | Todd Lipcon | Todd Lipcon |
-| [HDFS-2225](https://issues.apache.org/jira/browse/HDFS-2225) | HDFS-2018 Part 1 : Refactor file management so its not in classes which should be generic |  Major | . | Ivan Kelly | Ivan Kelly |
-| [HDFS-2212](https://issues.apache.org/jira/browse/HDFS-2212) | Refactor double-buffering code out of EditLogOutputStreams |  Major | namenode | Todd Lipcon | Todd Lipcon |
-| [HDFS-2209](https://issues.apache.org/jira/browse/HDFS-2209) | Make MiniDFS easier to embed in other apps |  Minor | test | Steve Loughran | Steve Loughran |
-| [HDFS-2205](https://issues.apache.org/jira/browse/HDFS-2205) | Log message for failed connection to datanode is not followed by a success message. |  Major | hdfs-client | Ravi Prakash | Ravi Prakash |
-| [HDFS-2198](https://issues.apache.org/jira/browse/HDFS-2198) | Remove hardcoded configuration keys |  Minor | datanode, hdfs-client, namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-2197](https://issues.apache.org/jira/browse/HDFS-2197) | Refactor RPC call implementations out of NameNode class |  Major | namenode | Todd Lipcon | Todd Lipcon |
-| [HDFS-2187](https://issues.apache.org/jira/browse/HDFS-2187) | HDFS-1580: Make EditLogInputStream act like an iterator over FSEditLogOps |  Major | . | Ivan Kelly | Ivan Kelly |
-| [HDFS-2180](https://issues.apache.org/jira/browse/HDFS-2180) | Refactor NameNode HTTP server into new class |  Major | . | Todd Lipcon | Todd Lipcon |
-| [HDFS-2161](https://issues.apache.org/jira/browse/HDFS-2161) | Move utilities to DFSUtil |  Minor | balancer & mover, datanode, hdfs-client, namenode, security | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-2157](https://issues.apache.org/jira/browse/HDFS-2157) | Improve header comment in o.a.h.hdfs.server.namenode.NameNode |  Major | documentation, namenode | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-2144](https://issues.apache.org/jira/browse/HDFS-2144) | If SNN shuts down during initialization it does not log the cause |  Major | namenode | Ravi Prakash | Ravi Prakash |
-| [HDFS-2143](https://issues.apache.org/jira/browse/HDFS-2143) | Federation: we should link to the live nodes and dead nodes to cluster web console |  Major | . | Ravi Prakash | Ravi Prakash |
-| [HDFS-2118](https://issues.apache.org/jira/browse/HDFS-2118) | Couple dfs data dir improvements |  Minor | datanode | Eli Collins | Eli Collins |
-| [HDFS-2116](https://issues.apache.org/jira/browse/HDFS-2116) | Cleanup TestStreamFile and TestByteRangeInputStream |  Minor | test | Eli Collins | Plamen Jeliazkov |
-| [HDFS-2110](https://issues.apache.org/jira/browse/HDFS-2110) | Some StreamFile and ByteRangeInputStream cleanup |  Minor | namenode | Eli Collins | Eli Collins |
-| [HDFS-2073](https://issues.apache.org/jira/browse/HDFS-2073) | Namenode is missing @Override annotations |  Minor | namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-2056](https://issues.apache.org/jira/browse/HDFS-2056) | Update fetchdt usage |  Minor | documentation, tools | Tanping Wang | Tanping Wang |
-| [HDFS-2054](https://issues.apache.org/jira/browse/HDFS-2054) | BlockSender.sendChunk() prints ERROR for connection closures encountered  during transferToFully() |  Minor | datanode | Kihwal Lee | Kihwal Lee |
-| [HDFS-2046](https://issues.apache.org/jira/browse/HDFS-2046) | Force entropy to come from non-true random for tests |  Major | build, test | Todd Lipcon | Todd Lipcon |
-| [HDFS-2040](https://issues.apache.org/jira/browse/HDFS-2040) | Only build libhdfs if a flag is passed |  Minor | . | Eli Collins | Eli Collins |
-| [HDFS-2029](https://issues.apache.org/jira/browse/HDFS-2029) | Improve TestWriteRead |  Trivial | test | Tsz Wo Nicholas Sze | John George |
-| [HDFS-2024](https://issues.apache.org/jira/browse/HDFS-2024) | Eclipse format HDFS Junit test hdfs/TestWriteRead.java |  Trivial | test | CW Chung | CW Chung |
-| [HDFS-2003](https://issues.apache.org/jira/browse/HDFS-2003) | Separate FSEditLog reading logic from editLog memory state building logic |  Major | . | Ivan Kelly | Ivan Kelly |
-| [HDFS-1996](https://issues.apache.org/jira/browse/HDFS-1996) | ivy: hdfs test jar should be independent to common test jar |  Major | build | Tsz Wo Nicholas Sze | Eric Yang |
-| [HDFS-1995](https://issues.apache.org/jira/browse/HDFS-1995) | Minor modification to both dfsclusterhealth and dfshealth pages for Web UI |  Minor | . | Tanping Wang | Tanping Wang |
-| [HDFS-1959](https://issues.apache.org/jira/browse/HDFS-1959) | Better error message for missing namenode directory |  Minor | . | Eli Collins | Eli Collins |
-| [HDFS-1958](https://issues.apache.org/jira/browse/HDFS-1958) | Format confirmation prompt should be more lenient of its input |  Major | namenode | Todd Lipcon | Todd Lipcon |
-| [HDFS-1939](https://issues.apache.org/jira/browse/HDFS-1939) | ivy: test conf should not extend common conf |  Major | build | Tsz Wo Nicholas Sze | Eric Yang |
-| [HDFS-1937](https://issues.apache.org/jira/browse/HDFS-1937) | Umbrella JIRA for improving DataTransferProtocol |  Major | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1906](https://issues.apache.org/jira/browse/HDFS-1906) | Remove logging exception stack trace when one of the datanode targets to read from is not reachable |  Minor | hdfs-client | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-1899](https://issues.apache.org/jira/browse/HDFS-1899) | GenericTestUtils.formatNamenode is misplaced |  Major | . | Todd Lipcon | Ted Yu |
-| [HDFS-1890](https://issues.apache.org/jira/browse/HDFS-1890) | A few improvements on the LeaseRenewer.pendingCreates map |  Minor | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1870](https://issues.apache.org/jira/browse/HDFS-1870) | Refactor DFSClient.LeaseChecker |  Minor | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1865](https://issues.apache.org/jira/browse/HDFS-1865) | Share LeaseChecker thread among DFSClients |  Major | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1861](https://issues.apache.org/jira/browse/HDFS-1861) | Rename dfs.datanode.max.xcievers and bump its default value |  Major | datanode | Eli Collins | Eli Collins |
-| [HDFS-1846](https://issues.apache.org/jira/browse/HDFS-1846) | Don't fill preallocated portion of edits log with 0x00 |  Major | namenode | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-1843](https://issues.apache.org/jira/browse/HDFS-1843) | Discover file not found early for file append |  Minor | . | Bharath Mundlapudi | Bharath Mundlapudi |
-| [HDFS-1840](https://issues.apache.org/jira/browse/HDFS-1840) | Terminate LeaseChecker when all writing files are closed. |  Major | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1833](https://issues.apache.org/jira/browse/HDFS-1833) | Refactor BlockReceiver |  Minor | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1831](https://issues.apache.org/jira/browse/HDFS-1831) | HDFS equivalent of HADOOP-7223 changes to handle FileContext createFlag combinations |  Major | namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-1817](https://issues.apache.org/jira/browse/HDFS-1817) | Split TestFiDataTransferProtocol.java into two files |  Trivial | test | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1789](https://issues.apache.org/jira/browse/HDFS-1789) | Refactor frequently used codes from DFSOutputStream, BlockReceiver and DataXceiver |  Minor | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1785](https://issues.apache.org/jira/browse/HDFS-1785) | Cleanup BlockReceiver and DataXceiver |  Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-1774](https://issues.apache.org/jira/browse/HDFS-1774) | Small optimization to FSDataset |  Minor | datanode | Uma Maheswara Rao G | Uma Maheswara Rao G |
-| [HDFS-1773](https://issues.apache.org/jira/browse/HDFS-1773) | Remove a datanode from cluster if include list is not empty and this datanode is removed from both include and exclude lists |  Minor | namenode | Tanping Wang | Tanping Wang |
-| [HDFS-1763](https://issues.apache.org/jira/browse/HDFS-1763) | Replace hard-coded option strings with variables from DFSConfigKeys |  Minor | . | Eli Collins | Eli Collins |
-| [HDFS-1757](https://issues.apache.org/jira/browse/HDFS-1757) | Don't compile fuse-dfs by default |  Major | fuse-dfs | Eli Collins | Eli Collins |
-| [HDFS-1741](https://issues.apache.org/jira/browse/HDFS-1741) | Provide a minimal pom file to allow integration of HDFS into Sonar analysis |  Major | build | Konstantin Boudnik | Konstantin Boudnik |
-| [HDFS-1739](https://issues.apache.org/jira/browse/HDFS-1739) | When DataNode throws DiskOutOfSpaceException, it will be helpfull to the user if we log the available volume size and configured block size. |  Minor | datanode | Uma Maheswara Rao G | Uma Maheswara Rao G |
-| [HDFS-1731](https://issues.apache.org/jira/browse/HDFS-1731) | Allow using a file to exclude certain tests from build |  Minor | . | Todd Lipcon | Todd Lipcon |
-| [HDFS-1636](https://issues.apache.org/jira/browse/HDFS-1636) | If dfs.name.dir points to an empty dir, namenode format shouldn't require confirmation |  Minor | namenode | Todd Lipcon | Harsh J |
-| [HDFS-1630](https://issues.apache.org/jira/browse/HDFS-1630) | Checksum fsedits |  Major | namenode | Hairong Kuang | Hairong Kuang |
+| [MAPREDUCE-2260](https://issues.apache.org/jira/browse/MAPREDUCE-2260) | Remove auto-generated native build files |  Major | build | Roman Shaposhnik | Roman Shaposhnik |
+| [HDFS-1582](https://issues.apache.org/jira/browse/HDFS-1582) | Remove auto-generated native build files |  Major | libhdfs | Roman Shaposhnik | Roman Shaposhnik |
+| [MAPREDUCE-2026](https://issues.apache.org/jira/browse/MAPREDUCE-2026) | JobTracker.getJobCounters() should not hold JobTracker lock while calling JobInProgress.getCounters() |  Major | . | Scott Chen | Joydeep Sen Sarma |
+| [MAPREDUCE-1706](https://issues.apache.org/jira/browse/MAPREDUCE-1706) | Log RAID recoveries on HDFS |  Major | contrib/raid | Rodrigo Schmidt | Scott Chen |
+| [HDFS-1601](https://issues.apache.org/jira/browse/HDFS-1601) | Pipeline ACKs are sent as lots of tiny TCP packets |  Major | datanode | Todd Lipcon | Todd Lipcon |
+| [HADOOP-7096](https://issues.apache.org/jira/browse/HADOOP-7096) | Allow setting of end-of-record delimiter for TextInputFormat |  Major | . | Ahmed Radwan | Ahmed Radwan |
+| [HDFS-560](https://issues.apache.org/jira/browse/HDFS-560) | Proposed enhancements/tuning to hadoop-hdfs/build.xml |  Minor | build | Steve Loughran | Steve Loughran |
+| [HADOOP-7048](https://issues.apache.org/jira/browse/HADOOP-7048) | Wrong description of Block-Compressed SequenceFile Format in SequenceFile's javadoc |  Minor | io | Jingguo Yao | Jingguo Yao |
 | [HDFS-1628](https://issues.apache.org/jira/browse/HDFS-1628) | AccessControlException should display the full path |  Minor | namenode | Ramya Sunil | John George |
+| [HADOOP-6376](https://issues.apache.org/jira/browse/HADOOP-6376) | slaves file to have a header specifying the format of conf/slaves file |  Minor | conf | Karthik K | Karthik K |
+| [MAPREDUCE-2254](https://issues.apache.org/jira/browse/MAPREDUCE-2254) | Allow setting of end-of-record delimiter for TextInputFormat |  Major | . | Ahmed Radwan | Ahmed Radwan |
+| [MAPREDUCE-2203](https://issues.apache.org/jira/browse/MAPREDUCE-2203) | Wong javadoc for TaskRunner's appendJobJarClasspaths method |  Trivial | . | Jingguo Yao | Jingguo Yao |
+| [MAPREDUCE-1159](https://issues.apache.org/jira/browse/MAPREDUCE-1159) | Limit Job name on jobtracker.jsp to be 80 char long |  Trivial | . | Zheng Shao | Harsh J |
+| [HADOOP-7112](https://issues.apache.org/jira/browse/HADOOP-7112) | Issue a warning when GenericOptionsParser libjars are not on local filesystem |  Major | conf, filecache | Tom White | Tom White |
+| [MAPREDUCE-2206](https://issues.apache.org/jira/browse/MAPREDUCE-2206) | The task-cleanup tasks should be optional |  Major | jobtracker | Scott Chen | Scott Chen |
 | [HDFS-1626](https://issues.apache.org/jira/browse/HDFS-1626) | Make BLOCK\_INVALIDATE\_LIMIT configurable |  Minor | namenode | Arun C Murthy | Tsz Wo Nicholas Sze |
-| [HDFS-1620](https://issues.apache.org/jira/browse/HDFS-1620) | Rename HdfsConstants -\> HdfsServerConstants, FSConstants -\> HdfsConstants |  Minor | . | Tsz Wo Nicholas Sze | Harsh J |
-| [HDFS-1601](https://issues.apache.org/jira/browse/HDFS-1601) | Pipeline ACKs are sent as lots of tiny TCP packets |  Major | datanode | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-2225](https://issues.apache.org/jira/browse/MAPREDUCE-2225) | MultipleOutputs should not require the use of 'Writable' |  Blocker | job submission | Harsh J | Harsh J |
+| [HADOOP-7114](https://issues.apache.org/jira/browse/HADOOP-7114) | FsShell should dump all exceptions at DEBUG level |  Minor | fs | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-2302](https://issues.apache.org/jira/browse/MAPREDUCE-2302) | Add static factory methods in GaloisField |  Major | contrib/raid | Scott Chen | Scott Chen |
+| [MAPREDUCE-2351](https://issues.apache.org/jira/browse/MAPREDUCE-2351) | mapred.job.tracker.history.completed.location should support an arbitrary filesystem URI |  Major | . | Tom White | Tom White |
+| [MAPREDUCE-2239](https://issues.apache.org/jira/browse/MAPREDUCE-2239) | BlockPlacementPolicyRaid should call getBlockLocations only when necessary |  Major | contrib/raid | Scott Chen | Scott Chen |
+| [HADOOP-7131](https://issues.apache.org/jira/browse/HADOOP-7131) | set() and toString Methods of the org.apache.hadoop.io.Text class does not include the root exception, in the wrapping RuntimeException. |  Minor | io | Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [HADOOP-7159](https://issues.apache.org/jira/browse/HADOOP-7159) | RPC server should log the client hostname when read exception happened |  Trivial | ipc | Scott Chen | Scott Chen |
+| [HADOOP-7133](https://issues.apache.org/jira/browse/HADOOP-7133) | CLONE to COMMON - HDFS-1445 Batch the calls in DataStorage to FileUtil.createHardLink(), so we call it once per directory instead of once per file |  Major | util | Matt Foley | Matt Foley |
+| [HADOOP-7177](https://issues.apache.org/jira/browse/HADOOP-7177) | CodecPool should report which compressor it is using |  Trivial | native | Allen Wittenauer | Allen Wittenauer |
+| [HADOOP-7167](https://issues.apache.org/jira/browse/HADOOP-7167) | Allow using a file to exclude certain tests from build |  Minor | . | Todd Lipcon | Todd Lipcon |
+| [HDFS-1731](https://issues.apache.org/jira/browse/HDFS-1731) | Allow using a file to exclude certain tests from build |  Minor | . | Todd Lipcon | Todd Lipcon |
+| [MAPREDUCE-2367](https://issues.apache.org/jira/browse/MAPREDUCE-2367) | Allow using a file to exclude certain tests from build |  Minor | . | Todd Lipcon | Todd Lipcon |
+| [HDFS-1757](https://issues.apache.org/jira/browse/HDFS-1757) | Don't compile fuse-dfs by default |  Major | fuse-dfs | Eli Collins | Eli Collins |
 | [HDFS-1596](https://issues.apache.org/jira/browse/HDFS-1596) | Move secondary namenode checkpoint configs from core-default.xml to hdfs-default.xml |  Major | documentation, namenode | Patrick Angeles | Harsh J |
-| [HDFS-1588](https://issues.apache.org/jira/browse/HDFS-1588) | Add dfs.hosts.exclude to DFSConfigKeys and use constant in stead of hardcoded string |  Major | . | Erik Steffl | Erik Steffl |
+| [HADOOP-7117](https://issues.apache.org/jira/browse/HADOOP-7117) | Move secondary namenode checkpoint configs from core-default.xml to hdfs-default.xml |  Major | conf | Patrick Angeles | Harsh J |
+| [HADOOP-7180](https://issues.apache.org/jira/browse/HADOOP-7180) | Improve CommandFormat |  Minor | fs | Daryn Sharp | Daryn Sharp |
+| [HDFS-1763](https://issues.apache.org/jira/browse/HDFS-1763) | Replace hard-coded option strings with variables from DFSConfigKeys |  Minor | . | Eli Collins | Eli Collins |
 | [HDFS-1583](https://issues.apache.org/jira/browse/HDFS-1583) | Improve backup-node sync performance by wrapping RPC parameters |  Major | namenode | Liyin Liang | Liyin Liang |
-| [HDFS-1582](https://issues.apache.org/jira/browse/HDFS-1582) | Remove auto-generated native build files |  Major | libhdfs | Roman Shaposhnik | Roman Shaposhnik |
-| [HDFS-1573](https://issues.apache.org/jira/browse/HDFS-1573) | LeaseChecker thread name trace not that useful |  Trivial | hdfs-client | Todd Lipcon | Todd Lipcon |
-| [HDFS-1568](https://issues.apache.org/jira/browse/HDFS-1568) | Improve DataXceiver error logging |  Minor | datanode | Todd Lipcon | Joey Echeverria |
-| [HDFS-1547](https://issues.apache.org/jira/browse/HDFS-1547) | Improve decommission mechanism |  Major | namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-1539](https://issues.apache.org/jira/browse/HDFS-1539) | prevent data loss when a cluster suffers a power loss |  Major | datanode, hdfs-client, namenode | dhruba borthakur | dhruba borthakur |
-| [HDFS-1534](https://issues.apache.org/jira/browse/HDFS-1534) | Fix some incorrect logs in FSDirectory |  Minor | namenode | Eli Collins | Eli Collins |
-| [HDFS-1518](https://issues.apache.org/jira/browse/HDFS-1518) | Wrong description in FSNamesystem's javadoc |  Minor | namenode | Jingguo Yao | Jingguo Yao |
-| [HDFS-1513](https://issues.apache.org/jira/browse/HDFS-1513) | Fix a number of warnings |  Minor | . | Eli Collins | Eli Collins |
-| [HDFS-1510](https://issues.apache.org/jira/browse/HDFS-1510) | Add test-patch.properties required by test-patch.sh |  Minor | . | Nigel Daley | Nigel Daley |
-| [HDFS-1509](https://issues.apache.org/jira/browse/HDFS-1509) | Resync discarded directories in fs.name.dir during saveNamespace command |  Major | namenode | dhruba borthakur | dhruba borthakur |
-| [HDFS-1506](https://issues.apache.org/jira/browse/HDFS-1506) | Refactor fsimage loading code |  Major | namenode | Hairong Kuang | Hairong Kuang |
-| [HDFS-1486](https://issues.apache.org/jira/browse/HDFS-1486) | Generalize CLITest structure and interfaces to facilitate upstream adoption (e.g. for web testing) |  Major | test | Konstantin Boudnik | Konstantin Boudnik |
-| [HDFS-1481](https://issues.apache.org/jira/browse/HDFS-1481) | NameNode should validate fsimage before rolling |  Major | namenode | Hairong Kuang | Hairong Kuang |
-| [HDFS-1476](https://issues.apache.org/jira/browse/HDFS-1476) | listCorruptFileBlocks should be functional while the name node is still in safe mode |  Major | namenode | Patrick Kling | Patrick Kling |
-| [HDFS-1458](https://issues.apache.org/jira/browse/HDFS-1458) | Improve checkpoint performance by avoiding unnecessary image downloads |  Major | namenode | Hairong Kuang | Hairong Kuang |
-| [HDFS-1442](https://issues.apache.org/jira/browse/HDFS-1442) | Api to get delegation token in Hdfs |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
-| [HDFS-1378](https://issues.apache.org/jira/browse/HDFS-1378) | Edit log replay should track and report file offsets in case of errors |  Major | namenode | Todd Lipcon | Colin Patrick McCabe |
-| [HDFS-1335](https://issues.apache.org/jira/browse/HDFS-1335) | HDFS side of HADOOP-6904: first step towards inter-version communications between dfs client and NameNode |  Major | hdfs-client, namenode | Hairong Kuang | Hairong Kuang |
-| [HDFS-1332](https://issues.apache.org/jira/browse/HDFS-1332) | When unable to place replicas, BlockPlacementPolicy should log reasons nodes were excluded |  Minor | namenode | Todd Lipcon | Ted Yu |
+| [HADOOP-7193](https://issues.apache.org/jira/browse/HADOOP-7193) | Help message is wrong for touchz command. |  Minor | fs | Uma Maheswara Rao G | Uma Maheswara Rao G |
+| [MAPREDUCE-2403](https://issues.apache.org/jira/browse/MAPREDUCE-2403) | MR-279: Improve job history event handling in AM to log to HDFS |  Major | mrv2 | Mahadev konar | Krishna Ramachandran |
+| [HDFS-1785](https://issues.apache.org/jira/browse/HDFS-1785) | Cleanup BlockReceiver and DataXceiver |  Major | datanode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
 | [HDFS-1120](https://issues.apache.org/jira/browse/HDFS-1120) | Make DataNode's block-to-device placement policy pluggable |  Major | datanode | Jeff Hammerbacher | Harsh J |
-| [HDFS-560](https://issues.apache.org/jira/browse/HDFS-560) | Proposed enhancements/tuning to hadoop-hdfs/build.xml |  Minor | build | Steve Loughran | Steve Loughran |
-| [HDFS-420](https://issues.apache.org/jira/browse/HDFS-420) | Fuse-dfs should cache fs handles |  Major | fuse-dfs | Dima Brodsky | Brian Bockelman |
-| [MAPREDUCE-3322](https://issues.apache.org/jira/browse/MAPREDUCE-3322) | Create a better index.html for maven docs |  Major | documentation, mrv2 | Arun C Murthy | Arun C Murthy |
-| [MAPREDUCE-3275](https://issues.apache.org/jira/browse/MAPREDUCE-3275) | Add docs for WebAppProxy |  Critical | documentation, mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-3239](https://issues.apache.org/jira/browse/MAPREDUCE-3239) | Use new createSocketAddr API in MRv2 to give better error messages on misconfig |  Minor | mrv2 | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-3237](https://issues.apache.org/jira/browse/MAPREDUCE-3237) | Move LocalJobRunner to hadoop-mapreduce-client-core module |  Major | client | Tom White | Tom White |
-| [MAPREDUCE-3190](https://issues.apache.org/jira/browse/MAPREDUCE-3190) | bin/yarn should barf early if HADOOP\_COMMON\_HOME or HADOOP\_HDFS\_HOME are not set |  Major | mrv2 | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-3189](https://issues.apache.org/jira/browse/MAPREDUCE-3189) | Add link decoration back to MR2's CSS |  Major | mrv2 | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-3187](https://issues.apache.org/jira/browse/MAPREDUCE-3187) | Add names for various unnamed threads in MR2 |  Minor | mrv2 | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-3171](https://issues.apache.org/jira/browse/MAPREDUCE-3171) | normalize nodemanager native code compilation with common/hdfs native |  Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-3162](https://issues.apache.org/jira/browse/MAPREDUCE-3162) | Separate application-init and container-init event types in NM's ApplicationImpl FSM |  Minor | mrv2, nodemanager | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-3161](https://issues.apache.org/jira/browse/MAPREDUCE-3161) | Improve javadoc and fix some typos in MR2 code |  Minor | mrv2 | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-3154](https://issues.apache.org/jira/browse/MAPREDUCE-3154) | Validate the Jobs Output Specification as the first statement in JobSubmitter.submitJobInternal(Job, Cluster) method |  Major | client, mrv2 | Abhijit Suresh Shingate | Abhijit Suresh Shingate |
-| [MAPREDUCE-3133](https://issues.apache.org/jira/browse/MAPREDUCE-3133) | Running a set of methods in a Single Test Class |  Major | build | Jonathan Eagles | Jonathan Eagles |
-| [MAPREDUCE-3113](https://issues.apache.org/jira/browse/MAPREDUCE-3113) | the scripts yarn-daemon.sh and yarn are not working properly |  Minor | mrv2 | XieXianshan | XieXianshan |
-| [MAPREDUCE-3090](https://issues.apache.org/jira/browse/MAPREDUCE-3090) | Change MR AM to use ApplicationAttemptId rather than \<applicationId, startCount\> everywhere |  Major | applicationmaster, mrv2 | Arun C Murthy | Arun C Murthy |
-| [MAPREDUCE-3014](https://issues.apache.org/jira/browse/MAPREDUCE-3014) | Rename and invert logic of '-cbuild' profile to 'native' and off by default |  Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-3001](https://issues.apache.org/jira/browse/MAPREDUCE-3001) | Map Reduce JobHistory and AppMaster UI should have ability to display task specific counters. |  Blocker | jobhistoryserver, mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-2990](https://issues.apache.org/jira/browse/MAPREDUCE-2990) | Health Report on Resource Manager UI is null if the NM's are all healthy. |  Blocker | mrv2 | Mahadev konar | Subroto Sanyal |
-| [MAPREDUCE-2966](https://issues.apache.org/jira/browse/MAPREDUCE-2966) | Add ShutDown hooks for MRV2 processes |  Major | applicationmaster, jobhistoryserver, nodemanager, resourcemanager | Abhijit Suresh Shingate | Abhijit Suresh Shingate |
-| [MAPREDUCE-2961](https://issues.apache.org/jira/browse/MAPREDUCE-2961) | Increase the default threadpool size for container launching in the application master. |  Blocker | mrv2 | Mahadev konar | Vinod Kumar Vavilapalli |
-| [MAPREDUCE-2930](https://issues.apache.org/jira/browse/MAPREDUCE-2930) | Generate state graph from the State Machine Definition |  Major | mrv2 | Sharad Agarwal | Binglin Chang |
-| [MAPREDUCE-2894](https://issues.apache.org/jira/browse/MAPREDUCE-2894) | Improvements to YARN apis |  Blocker | mrv2 | Arun C Murthy |  |
-| [MAPREDUCE-2893](https://issues.apache.org/jira/browse/MAPREDUCE-2893) | Removing duplicate service provider in hadoop-mapreduce-client-jobclient |  Trivial | client | Liang-Chi Hsieh | Liang-Chi Hsieh |
-| [MAPREDUCE-2890](https://issues.apache.org/jira/browse/MAPREDUCE-2890) | Documentation for MRv2 |  Blocker | documentation, mrv2 | Arun C Murthy |  |
-| [MAPREDUCE-2880](https://issues.apache.org/jira/browse/MAPREDUCE-2880) | Fix classpath construction for MRv2 |  Blocker | mrv2 | Luke Lu | Arun C Murthy |
-| [MAPREDUCE-2864](https://issues.apache.org/jira/browse/MAPREDUCE-2864) | Renaming of configuration property names in yarn |  Major | jobhistoryserver, mrv2, nodemanager, resourcemanager | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-2848](https://issues.apache.org/jira/browse/MAPREDUCE-2848) | Upgrade avro to 1.5.2 |  Major | . | Luke Lu | Luke Lu |
-| [MAPREDUCE-2805](https://issues.apache.org/jira/browse/MAPREDUCE-2805) | Update RAID for HDFS-2241 |  Minor | contrib/raid | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-2802](https://issues.apache.org/jira/browse/MAPREDUCE-2802) | [MR-279] Jobhistory filenames should have jobID to help in better parsing |  Critical | mrv2 | Ramya Sunil | Jonathan Eagles |
-| [MAPREDUCE-2726](https://issues.apache.org/jira/browse/MAPREDUCE-2726) | MR-279: Add the jobFile to the web UI |  Blocker | mrv2 | Jeffrey Naisbitt | Jeffrey Naisbitt |
-| [MAPREDUCE-2707](https://issues.apache.org/jira/browse/MAPREDUCE-2707) | ProtoOverHadoopRpcEngine without using TunnelProtocol over WritableRpc |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
-| [MAPREDUCE-2701](https://issues.apache.org/jira/browse/MAPREDUCE-2701) | MR-279: app/Job.java needs UGI for the user that launched it |  Major | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-2691](https://issues.apache.org/jira/browse/MAPREDUCE-2691) | Finish up the cleanup of distributed cache file resources and related tests. |  Major | mrv2 | Amol Kekre | Siddharth Seth |
-| [MAPREDUCE-2682](https://issues.apache.org/jira/browse/MAPREDUCE-2682) | Add a -classpath option to bin/mapred |  Trivial | . | Arun C Murthy | Vinod Kumar Vavilapalli |
-| [MAPREDUCE-2680](https://issues.apache.org/jira/browse/MAPREDUCE-2680) | Enhance job-client cli to show queue information for running jobs |  Minor | . | Arun C Murthy | Arun C Murthy |
-| [MAPREDUCE-2679](https://issues.apache.org/jira/browse/MAPREDUCE-2679) | MR-279: Merge MR-279 related minor patches into trunk |  Trivial | . | Arun C Murthy | Arun C Murthy |
-| [MAPREDUCE-2676](https://issues.apache.org/jira/browse/MAPREDUCE-2676) | MR-279: JobHistory Job page needs reformatted |  Major | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-2675](https://issues.apache.org/jira/browse/MAPREDUCE-2675) | MR-279: JobHistory Server main page needs to be reformatted |  Major | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-2672](https://issues.apache.org/jira/browse/MAPREDUCE-2672) | MR-279: JobHistory Server needs Analysis this job |  Major | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-2664](https://issues.apache.org/jira/browse/MAPREDUCE-2664) | MR 279: Implement JobCounters for MRv2 + Fix for Map Data Locality |  Major | mrv2 | Siddharth Seth | Siddharth Seth |
-| [MAPREDUCE-2629](https://issues.apache.org/jira/browse/MAPREDUCE-2629) | Class loading quirk prevents inner class method compilation |  Minor | task | Eric Caspole | Eric Caspole |
-| [MAPREDUCE-2624](https://issues.apache.org/jira/browse/MAPREDUCE-2624) | Update RAID for HDFS-2107 |  Major | contrib/raid | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-2623](https://issues.apache.org/jira/browse/MAPREDUCE-2623) | Update ClusterMapReduceTestCase to use MiniDFSCluster.Builder |  Minor | test | Jim Plush | Harsh J |
-| [MAPREDUCE-2611](https://issues.apache.org/jira/browse/MAPREDUCE-2611) | MR 279: Metrics, finishTimes, etc in JobHistory |  Major | mrv2 | Siddharth Seth |  |
-| [MAPREDUCE-2602](https://issues.apache.org/jira/browse/MAPREDUCE-2602) | Allow setting of end-of-record delimiter for TextInputFormat (for the old API) |  Major | . | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-2596](https://issues.apache.org/jira/browse/MAPREDUCE-2596) | Gridmix should notify job failures |  Major | benchmarks, contrib/gridmix | Arun C Murthy | Amar Kamat |
-| [MAPREDUCE-2580](https://issues.apache.org/jira/browse/MAPREDUCE-2580) | MR 279: RM UI should redirect finished jobs to History UI |  Minor | mrv2 | Siddharth Seth | Siddharth Seth |
-| [MAPREDUCE-2551](https://issues.apache.org/jira/browse/MAPREDUCE-2551) | MR 279: Implement JobSummaryLog |  Major | mrv2 | Siddharth Seth | Siddharth Seth |
-| [MAPREDUCE-2501](https://issues.apache.org/jira/browse/MAPREDUCE-2501) | MR-279: Attach sources in builds |  Major | mrv2 | Luke Lu | Luke Lu |
-| [MAPREDUCE-2495](https://issues.apache.org/jira/browse/MAPREDUCE-2495) | The distributed cache cleanup thread has no monitoring to check to see if it has died for some reason |  Minor | distributed-cache | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-2494](https://issues.apache.org/jira/browse/MAPREDUCE-2494) | Make the distributed cache delete entires using LRU priority |  Major | distributed-cache | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-2492](https://issues.apache.org/jira/browse/MAPREDUCE-2492) | [MAPREDUCE] The new MapReduce API should make available task's progress to the task |  Major | task | Amar Kamat | Amar Kamat |
-| [MAPREDUCE-2490](https://issues.apache.org/jira/browse/MAPREDUCE-2490) | Log blacklist debug count |  Trivial | jobtracker | Jonathan Eagles | Jonathan Eagles |
-| [MAPREDUCE-2478](https://issues.apache.org/jira/browse/MAPREDUCE-2478) | MR 279: Improve history server |  Major | mrv2 | Siddharth Seth | Siddharth Seth |
-| [MAPREDUCE-2474](https://issues.apache.org/jira/browse/MAPREDUCE-2474) | Add docs to the new API Partitioner on how to access Job Configuration data |  Minor | documentation | Harsh J | Harsh J |
-| [MAPREDUCE-2469](https://issues.apache.org/jira/browse/MAPREDUCE-2469) | Task counters should also report the total heap usage of the task |  Major | task | Amar Kamat | Amar Kamat |
-| [MAPREDUCE-2462](https://issues.apache.org/jira/browse/MAPREDUCE-2462) | MR 279: Write job conf along with JobHistory, other minor improvements |  Minor | mrv2 | Siddharth Seth | Siddharth Seth |
-| [MAPREDUCE-2459](https://issues.apache.org/jira/browse/MAPREDUCE-2459) | Cache HAR filesystem metadata |  Major | harchive | Mac Yang | Mac Yang |
-| [MAPREDUCE-2456](https://issues.apache.org/jira/browse/MAPREDUCE-2456) | Show the reducer taskid and map/reduce tasktrackers for "Failed fetch notification #\_ for task attempt..." log messages |  Trivial | jobtracker | Jeffrey Naisbitt | Jeffrey Naisbitt |
-| [MAPREDUCE-2449](https://issues.apache.org/jira/browse/MAPREDUCE-2449) | Allow for command line arguments when performing "Run on Hadoop" action. |  Minor | contrib/eclipse-plugin | Jeff Zemerick | Jeff Zemerick |
-| [MAPREDUCE-2432](https://issues.apache.org/jira/browse/MAPREDUCE-2432) | MR-279: Install sanitized poms for downstream sanity |  Major | mrv2 | Luke Lu | Luke Lu |
-| [MAPREDUCE-2424](https://issues.apache.org/jira/browse/MAPREDUCE-2424) | MR-279: counters/UI/etc. for uber-AppMaster (in-cluster LocalJobRunner for MRv2) |  Major | mrv2 | Greg Roelofs | Greg Roelofs |
+| [HDFS-1789](https://issues.apache.org/jira/browse/HDFS-1789) | Refactor frequently used codes from DFSOutputStream, BlockReceiver and DataXceiver |  Minor | datanode, hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
 | [MAPREDUCE-2414](https://issues.apache.org/jira/browse/MAPREDUCE-2414) | MR-279: Use generic interfaces for protocols |  Major | mrv2 | Arun C Murthy | Siddharth Seth |
+| [HADOOP-7202](https://issues.apache.org/jira/browse/HADOOP-7202) | Improve Command base class |  Major | . | Daryn Sharp | Daryn Sharp |
 | [MAPREDUCE-2405](https://issues.apache.org/jira/browse/MAPREDUCE-2405) | MR-279: Implement uber-AppMaster (in-cluster LocalJobRunner for MRv2) |  Major | mrv2 | Mahadev konar | Greg Roelofs |
-| [MAPREDUCE-2403](https://issues.apache.org/jira/browse/MAPREDUCE-2403) | MR-279: Improve job history event handling in AM to log to HDFS |  Major | mrv2 | Mahadev konar | Krishna Ramachandran |
-| [MAPREDUCE-2399](https://issues.apache.org/jira/browse/MAPREDUCE-2399) | The embedded web framework for MAPREDUCE-279 |  Major | . | Arun C Murthy | Luke Lu |
-| [MAPREDUCE-2381](https://issues.apache.org/jira/browse/MAPREDUCE-2381) | JobTracker instrumentation not consistent about error handling |  Major | . | Philip Zeyliger | Philip Zeyliger |
-| [MAPREDUCE-2367](https://issues.apache.org/jira/browse/MAPREDUCE-2367) | Allow using a file to exclude certain tests from build |  Minor | . | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-2351](https://issues.apache.org/jira/browse/MAPREDUCE-2351) | mapred.job.tracker.history.completed.location should support an arbitrary filesystem URI |  Major | . | Tom White | Tom White |
-| [MAPREDUCE-2326](https://issues.apache.org/jira/browse/MAPREDUCE-2326) | Port gridmix changes from hadoop-0.20.100 to trunk |  Major | . | Arun C Murthy |  |
-| [MAPREDUCE-2302](https://issues.apache.org/jira/browse/MAPREDUCE-2302) | Add static factory methods in GaloisField |  Major | contrib/raid | Scott Chen | Scott Chen |
-| [MAPREDUCE-2263](https://issues.apache.org/jira/browse/MAPREDUCE-2263) | MapReduce side of HADOOP-6904 |  Major | . | Hairong Kuang | Hairong Kuang |
-| [MAPREDUCE-2260](https://issues.apache.org/jira/browse/MAPREDUCE-2260) | Remove auto-generated native build files |  Major | build | Roman Shaposhnik | Roman Shaposhnik |
-| [MAPREDUCE-2254](https://issues.apache.org/jira/browse/MAPREDUCE-2254) | Allow setting of end-of-record delimiter for TextInputFormat |  Major | . | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-2250](https://issues.apache.org/jira/browse/MAPREDUCE-2250) | Fix logging in raid code. |  Trivial | contrib/raid | Ramkumar Vadali | Ramkumar Vadali |
-| [MAPREDUCE-2249](https://issues.apache.org/jira/browse/MAPREDUCE-2249) | Better to check the reflexive property of the object while overriding equals method of it |  Major | . | Bhallamudi Venkata Siva Kamesh | Devaraj K |
-| [MAPREDUCE-2248](https://issues.apache.org/jira/browse/MAPREDUCE-2248) | DistributedRaidFileSystem should unraid only the corrupt block |  Major | . | Ramkumar Vadali | Ramkumar Vadali |
-| [MAPREDUCE-2243](https://issues.apache.org/jira/browse/MAPREDUCE-2243) | Close all the file streams propely in a finally block to avoid their leakage. |  Minor | jobtracker, tasktracker | Bhallamudi Venkata Siva Kamesh | Devaraj K |
-| [MAPREDUCE-2239](https://issues.apache.org/jira/browse/MAPREDUCE-2239) | BlockPlacementPolicyRaid should call getBlockLocations only when necessary |  Major | contrib/raid | Scott Chen | Scott Chen |
-| [MAPREDUCE-2225](https://issues.apache.org/jira/browse/MAPREDUCE-2225) | MultipleOutputs should not require the use of 'Writable' |  Blocker | job submission | Harsh J | Harsh J |
-| [MAPREDUCE-2207](https://issues.apache.org/jira/browse/MAPREDUCE-2207) | Task-cleanup task should not be scheduled on the node that the task just failed |  Major | jobtracker | Scott Chen | Liyin Liang |
-| [MAPREDUCE-2206](https://issues.apache.org/jira/browse/MAPREDUCE-2206) | The task-cleanup tasks should be optional |  Major | jobtracker | Scott Chen | Scott Chen |
-| [MAPREDUCE-2203](https://issues.apache.org/jira/browse/MAPREDUCE-2203) | Wong javadoc for TaskRunner's appendJobJarClasspaths method |  Trivial | . | Jingguo Yao | Jingguo Yao |
+| [HDFS-1817](https://issues.apache.org/jira/browse/HDFS-1817) | Split TestFiDataTransferProtocol.java into two files |  Trivial | test | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-1630](https://issues.apache.org/jira/browse/HDFS-1630) | Checksum fsedits |  Major | namenode | Hairong Kuang | Hairong Kuang |
+| [HADOOP-6994](https://issues.apache.org/jira/browse/HADOOP-6994) | Api to get delegation token in AbstractFileSystem |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [HDFS-1442](https://issues.apache.org/jira/browse/HDFS-1442) | Api to get delegation token in Hdfs |  Major | . | Jitendra Nath Pandey | Jitendra Nath Pandey |
+| [MAPREDUCE-2432](https://issues.apache.org/jira/browse/MAPREDUCE-2432) | MR-279: Instal

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