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Posted to common-commits@hadoop.apache.org by su...@apache.org on 2018/09/12 10:24:23 UTC
[16/90] [abbrv] [partial] hadoop git commit: HADOOP-14671. Upgrade
Apache Yetus to 0.8.0
http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.0/CHANGES.1.2.0.md
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-
-<!---
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-# or more contributor license agreements. See the NOTICE file
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-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-# limitations under the License.
--->
-# Apache Hadoop Changelog
-
-## Release 1.2.0 - 2013-05-13
-
-### INCOMPATIBLE CHANGES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-8164](https://issues.apache.org/jira/browse/HADOOP-8164) | Handle paths using back slash as path separator for windows only | Major | fs | Suresh Srinivas | Daryn Sharp |
-| [MAPREDUCE-4629](https://issues.apache.org/jira/browse/MAPREDUCE-4629) | Remove JobHistory.DEBUG\_MODE | Major | . | Karthik Kambatla | Karthik Kambatla |
-| [HDFS-4122](https://issues.apache.org/jira/browse/HDFS-4122) | Cleanup HDFS logs and reduce the size of logged messages | Major | datanode, hdfs-client, namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-4350](https://issues.apache.org/jira/browse/HDFS-4350) | Make enabling of stale marking on read and write paths independent | Major | . | Andrew Wang | Andrew Wang |
-| [MAPREDUCE-4737](https://issues.apache.org/jira/browse/MAPREDUCE-4737) | Hadoop does not close output file / does not call Mapper.cleanup if exception in map | Major | . | Daniel Dai | Arun C Murthy |
-
-
-### NEW FEATURES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [MAPREDUCE-461](https://issues.apache.org/jira/browse/MAPREDUCE-461) | Enable ServicePlugins for the JobTracker | Minor | . | Fredrik Hedberg | Fredrik Hedberg |
-| [HDFS-3515](https://issues.apache.org/jira/browse/HDFS-3515) | Port HDFS-1457 to branch-1 | Major | namenode | Eli Collins | Eli Collins |
-| [HADOOP-8023](https://issues.apache.org/jira/browse/HADOOP-8023) | Add unset() method to Configuration | Critical | conf | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-4355](https://issues.apache.org/jira/browse/MAPREDUCE-4355) | Add RunningJob.getJobStatus() | Major | mrv1, mrv2 | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-987](https://issues.apache.org/jira/browse/MAPREDUCE-987) | Exposing MiniDFS and MiniMR clusters as a single process command-line | Minor | build, test | Philip Zeyliger | Ahmed Radwan |
-| [MAPREDUCE-3678](https://issues.apache.org/jira/browse/MAPREDUCE-3678) | The Map tasks logs should have the value of input split it processed | Major | mrv1, mrv2 | Bejoy KS | Harsh J |
-| [HADOOP-8988](https://issues.apache.org/jira/browse/HADOOP-8988) | Backport HADOOP-8343 to branch-1 | Major | conf | Jing Zhao | Jing Zhao |
-| [HADOOP-8820](https://issues.apache.org/jira/browse/HADOOP-8820) | Backport HADOOP-8469 and HADOOP-8470: add "NodeGroup" layer in new NetworkTopology (also known as NetworkTopologyWithNodeGroup) | Major | net | Junping Du | Junping Du |
-| [HDFS-3941](https://issues.apache.org/jira/browse/HDFS-3941) | Backport HDFS-3498 and HDFS3601: update replica placement policy for new added "NodeGroup" layer topology | Major | namenode | Junping Du | Junping Du |
-| [HDFS-4219](https://issues.apache.org/jira/browse/HDFS-4219) | Port slive to branch-1 | Major | . | Arpit Gupta | Arpit Gupta |
-| [HADOOP-9090](https://issues.apache.org/jira/browse/HADOOP-9090) | Support on-demand publish of metrics | Minor | metrics | Mostafa Elhemali | Mostafa Elhemali |
-| [HDFS-3942](https://issues.apache.org/jira/browse/HDFS-3942) | Backport HDFS-3495: Update balancer policy for Network Topology with additional 'NodeGroup' layer | Major | balancer & mover | Junping Du | Junping Du |
-| [MAPREDUCE-4660](https://issues.apache.org/jira/browse/MAPREDUCE-4660) | Update task placement policy for NetworkTopology with 'NodeGroup' layer | Major | jobtracker, mrv1, scheduler | Junping Du | Junping Du |
-| [HDFS-4597](https://issues.apache.org/jira/browse/HDFS-4597) | Backport WebHDFS concat to branch-1 | Major | webhdfs | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-5081](https://issues.apache.org/jira/browse/MAPREDUCE-5081) | Backport DistCpV2 and the related JIRAs to branch-1 | Major | distcp | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-4824](https://issues.apache.org/jira/browse/MAPREDUCE-4824) | Provide a mechanism for jobs to indicate they should not be recovered on restart | Major | mrv1 | Tom White | Tom White |
-| [MAPREDUCE-5129](https://issues.apache.org/jira/browse/MAPREDUCE-5129) | Add tag info to JH files | Minor | . | Billie Rinaldi | Billie Rinaldi |
-| [HDFS-4776](https://issues.apache.org/jira/browse/HDFS-4776) | Backport SecondaryNameNode web ui to branch-1 | Minor | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-4774](https://issues.apache.org/jira/browse/HDFS-4774) | Backport HDFS-4525 'Provide an API for knowing whether file is closed or not' to branch-1 | Major | hdfs-client, namenode | Ted Yu | Ted Yu |
-| [HDFS-3601](https://issues.apache.org/jira/browse/HDFS-3601) | Implementation of ReplicaPlacementPolicyNodeGroup to support 4-layer network topology | Major | namenode | Junping Du | Junping Du |
-| [HDFS-3495](https://issues.apache.org/jira/browse/HDFS-3495) | Update Balancer to support new NetworkTopology with NodeGroup | Major | balancer & mover | Junping Du | Junping Du |
-
-
-### IMPROVEMENTS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HDFS-385](https://issues.apache.org/jira/browse/HDFS-385) | Design a pluggable interface to place replicas of blocks in HDFS | Major | . | dhruba borthakur | dhruba borthakur |
-| [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-1957](https://issues.apache.org/jira/browse/HDFS-1957) | Documentation for HFTP | Minor | documentation | Ari Rabkin | Ari Rabkin |
-| [HDFS-2533](https://issues.apache.org/jira/browse/HDFS-2533) | Remove needless synchronization on FSDataSet.getBlockFile | Minor | datanode, performance | Todd Lipcon | Todd Lipcon |
-| [HDFS-3163](https://issues.apache.org/jira/browse/HDFS-3163) | TestHDFSCLI.testAll fails if the user name is not all lowercase | Trivial | test | Brandon Li | Brandon Li |
-| [HDFS-3479](https://issues.apache.org/jira/browse/HDFS-3479) | backport HDFS-3335 (check for edit log corruption at the end of the log) to branch-1 | Major | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3521](https://issues.apache.org/jira/browse/HDFS-3521) | Allow namenode to tolerate edit log corruption | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-3604](https://issues.apache.org/jira/browse/HDFS-3604) | Add dfs.webhdfs.enabled to hdfs-default.xml | Minor | . | Eli Collins | Eli Collins |
-| [HDFS-3596](https://issues.apache.org/jira/browse/HDFS-3596) | Improve FSEditLog pre-allocation in branch-1 | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3647](https://issues.apache.org/jira/browse/HDFS-3647) | Backport HDFS-2868 (Add number of active transfer threads to the DataNode status) to branch-1 | Major | datanode | Steve Hoffman | Harsh J |
-| [MAPREDUCE-4415](https://issues.apache.org/jira/browse/MAPREDUCE-4415) | Backport the Job.getInstance methods from MAPREDUCE-1505 to branch-1 | Major | mrv1 | Harsh J | Harsh J |
-| [HDFS-3697](https://issues.apache.org/jira/browse/HDFS-3697) | Enable fadvise readahead by default | Minor | datanode, performance | Todd Lipcon | Todd Lipcon |
-| [HADOOP-8711](https://issues.apache.org/jira/browse/HADOOP-8711) | provide an option for IPC server users to avoid printing stack information for certain exceptions | Major | ipc | Brandon Li | Brandon Li |
-| [MAPREDUCE-4565](https://issues.apache.org/jira/browse/MAPREDUCE-4565) | Backport MR-2855 to branch-1: ResourceBundle lookup during counter name resolution takes a lot of time | Major | . | Karthik Kambatla | Karthik Kambatla |
-| [HDFS-3817](https://issues.apache.org/jira/browse/HDFS-3817) | avoid printing stack information for SafeModeException | Major | namenode | Brandon Li | Brandon Li |
-| [HDFS-3819](https://issues.apache.org/jira/browse/HDFS-3819) | Should check whether invalidate work percentage default value is not greater than 1.0f | Minor | . | Jing Zhao | Jing Zhao |
-| [HDFS-3838](https://issues.apache.org/jira/browse/HDFS-3838) | fix the typo in FSEditLog.java: isToterationEnabled should be isTolerationEnabled | Trivial | namenode | Brandon Li | Brandon Li |
-| [MAPREDUCE-4408](https://issues.apache.org/jira/browse/MAPREDUCE-4408) | allow jobs to set a JAR that is in the distributed cached | Major | mrv1, mrv2 | Alejandro Abdelnur | Robert Kanter |
-| [MAPREDUCE-4499](https://issues.apache.org/jira/browse/MAPREDUCE-4499) | Looking for speculative tasks is very expensive in 1.x | Major | mrv1, performance | Nathan Roberts | Koji Noguchi |
-| [HADOOP-7688](https://issues.apache.org/jira/browse/HADOOP-7688) | When a servlet filter throws an exception in init(..), the Jetty server failed silently. | Major | . | Tsz Wo Nicholas Sze | Uma Maheswara Rao G |
-| [MAPREDUCE-2770](https://issues.apache.org/jira/browse/MAPREDUCE-2770) | Improve hadoop.job.history.location doc in mapred-default.xml | Trivial | documentation | Eli Collins | Sandy Ryza |
-| [MAPREDUCE-4464](https://issues.apache.org/jira/browse/MAPREDUCE-4464) | Reduce tasks failing with NullPointerException in ConcurrentHashMap.get() | Minor | task | Clint Heath | Clint Heath |
-| [MAPREDUCE-4556](https://issues.apache.org/jira/browse/MAPREDUCE-4556) | FairScheduler: PoolSchedulable#updateDemand() has potential redundant computation | Minor | contrib/fair-share | Karthik Kambatla | Karthik Kambatla |
-| [HADOOP-8931](https://issues.apache.org/jira/browse/HADOOP-8931) | Add Java version to startup message | Trivial | . | Eli Collins | Eli Collins |
-| [HDFS-4057](https://issues.apache.org/jira/browse/HDFS-4057) | NameNode.namesystem should be private. Use getNamesystem() instead. | Minor | namenode | Brandon Li | Brandon Li |
-| [HADOOP-8951](https://issues.apache.org/jira/browse/HADOOP-8951) | RunJar to fail with user-comprehensible error message if jar missing | Minor | util | Steve Loughran | Steve Loughran |
-| [HDFS-4062](https://issues.apache.org/jira/browse/HDFS-4062) | In branch-1, FSNameSystem#invalidateWorkForOneNode and FSNameSystem#computeReplicationWorkForBlock should print logs outside of the namesystem lock | Minor | . | Jing Zhao | Jing Zhao |
-| [HADOOP-8971](https://issues.apache.org/jira/browse/HADOOP-8971) | Backport: hadoop.util.PureJavaCrc32 cache hit-ratio is low for static data (HADOOP-8926) | Major | util | Gopal V | Gopal V |
-| [HADOOP-8968](https://issues.apache.org/jira/browse/HADOOP-8968) | Add a flag to completely disable the worker version check | Major | . | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-4703](https://issues.apache.org/jira/browse/MAPREDUCE-4703) | Add the ability to start the MiniMRClientCluster using the configurations used before it is being stopped. | Major | mrv1, mrv2, test | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-4845](https://issues.apache.org/jira/browse/MAPREDUCE-4845) | ClusterStatus.getMaxMemory() and getUsedMemory() exist in MR1 but not MR2 | Major | client | Sandy Ryza | Sandy Ryza |
-| [HDFS-4320](https://issues.apache.org/jira/browse/HDFS-4320) | Add a separate configuration for namenode rpc address instead of only using fs.default.name | Major | datanode, namenode | Mostafa Elhemali | Mostafa Elhemali |
-| [MAPREDUCE-4907](https://issues.apache.org/jira/browse/MAPREDUCE-4907) | TrackerDistributedCacheManager issues too many getFileStatus calls | Major | mrv1, tasktracker | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-2931](https://issues.apache.org/jira/browse/MAPREDUCE-2931) | CLONE - LocalJobRunner should support parallel mapper execution | Major | . | Forest Tan | Sandy Ryza |
-| [MAPREDUCE-4837](https://issues.apache.org/jira/browse/MAPREDUCE-4837) | Add webservices for jobtracker | Major | . | Arun C Murthy | Arun C Murthy |
-| [HDFS-4551](https://issues.apache.org/jira/browse/HDFS-4551) | Change WebHDFS buffersize behavior to improve default performance | Major | webhdfs | Mark Wagner | Mark Wagner |
-| [HADOOP-9379](https://issues.apache.org/jira/browse/HADOOP-9379) | capture the ulimit info after printing the log to the console | Trivial | . | Arpit Gupta | Arpit Gupta |
-| [HADOOP-9434](https://issues.apache.org/jira/browse/HADOOP-9434) | Backport HADOOP-9267 to branch-1 | Minor | bin | Yu Li | Yu Li |
-| [HDFS-4635](https://issues.apache.org/jira/browse/HDFS-4635) | Move BlockManager#computeCapacity to LightWeightGSet | Major | namenode | Suresh Srinivas | Suresh Srinivas |
-| [HADOOP-9253](https://issues.apache.org/jira/browse/HADOOP-9253) | Capture ulimit info in the logs at service start time | Major | . | Arpit Gupta | Arpit Gupta |
-| [HDFS-4651](https://issues.apache.org/jira/browse/HDFS-4651) | Offline Image Viewer backport to branch-1 | Major | tools | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9071](https://issues.apache.org/jira/browse/HADOOP-9071) | configure ivy log levels for resolve/retrieve | Major | build | Giridharan Kesavan | Giridharan Kesavan |
-| [HDFS-3940](https://issues.apache.org/jira/browse/HDFS-3940) | Add Gset#clear method and clear the block map when namenode is shutdown | Minor | . | Eli Collins | Suresh Srinivas |
-| [HDFS-3498](https://issues.apache.org/jira/browse/HDFS-3498) | Make Replica Removal Policy pluggable and ReplicaPlacementPolicyDefault extensible for reusing code in subclass | Major | namenode | Junping Du | Junping Du |
-
-
-### BUG FIXES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-7101](https://issues.apache.org/jira/browse/HADOOP-7101) | UserGroupInformation.getCurrentUser() fails when called from non-Hadoop JAAS context | Blocker | security | Todd Lipcon | Todd Lipcon |
-| [HDFS-2827](https://issues.apache.org/jira/browse/HDFS-2827) | Cannot save namespace after renaming a directory above a file with an open lease | Major | namenode | Uma Maheswara Rao G | Uma Maheswara Rao G |
-| [HADOOP-8355](https://issues.apache.org/jira/browse/HADOOP-8355) | SPNEGO filter throws/logs exception when authentication fails | Minor | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-8460](https://issues.apache.org/jira/browse/HADOOP-8460) | Document proper setting of HADOOP\_PID\_DIR and HADOOP\_SECURE\_DN\_PID\_DIR | Major | documentation | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-4195](https://issues.apache.org/jira/browse/MAPREDUCE-4195) | With invalid queueName request param, jobqueue\_details.jsp shows NPE | Critical | jobtracker | Gera Shegalov | |
-| [MAPREDUCE-3727](https://issues.apache.org/jira/browse/MAPREDUCE-3727) | jobtoken location property in jobconf refers to wrong jobtoken file | Critical | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-8512](https://issues.apache.org/jira/browse/HADOOP-8512) | AuthenticatedURL should reset the Token when the server returns other than OK on authentication | Minor | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-7868](https://issues.apache.org/jira/browse/HADOOP-7868) | Hadoop native fails to compile when default linker option is -Wl,--as-needed | Major | native | James Page | Trevor Robinson |
-| [MAPREDUCE-2289](https://issues.apache.org/jira/browse/MAPREDUCE-2289) | Permissions race can make getStagingDir fail on local filesystem | Major | job submission | Todd Lipcon | Ahmed Radwan |
-| [HADOOP-8249](https://issues.apache.org/jira/browse/HADOOP-8249) | invalid hadoop-auth cookies should trigger authentication if info is avail before returning HTTP 401 | Major | security | bc Wong | Alejandro Abdelnur |
-| [HDFS-3595](https://issues.apache.org/jira/browse/HDFS-3595) | TestEditLogLoading fails in branch-1 | Major | namenode | Colin P. McCabe | Colin P. McCabe |
-| [MAPREDUCE-4317](https://issues.apache.org/jira/browse/MAPREDUCE-4317) | Job view ACL checks are too permissive | Major | mrv1 | Harsh J | Karthik Kambatla |
-| [MAPREDUCE-4385](https://issues.apache.org/jira/browse/MAPREDUCE-4385) | FairScheduler.maxTasksToAssign() should check for fairscheduler.assignmultiple.maps \< TaskTracker.availableSlots | Major | . | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4359](https://issues.apache.org/jira/browse/MAPREDUCE-4359) | Potential deadlock in Counters | Major | . | Todd Lipcon | Tom White |
-| [MAPREDUCE-3993](https://issues.apache.org/jira/browse/MAPREDUCE-3993) | Graceful handling of codec errors during decompression | Major | mrv1, mrv2 | Todd Lipcon | Karthik Kambatla |
-| [HDFS-3628](https://issues.apache.org/jira/browse/HDFS-3628) | The dfsadmin -setBalancerBandwidth command on branch-1 does not check for superuser privileges | Blocker | datanode, namenode | Harsh J | Harsh J |
-| [HADOOP-8586](https://issues.apache.org/jira/browse/HADOOP-8586) | Fixup a bunch of SPNEGO misspellings | Major | . | Eli Collins | Eli Collins |
-| [HADOOP-8587](https://issues.apache.org/jira/browse/HADOOP-8587) | HarFileSystem access of harMetaCache isn't threadsafe | Minor | fs | Eli Collins | Eli Collins |
-| [HADOOP-7836](https://issues.apache.org/jira/browse/HADOOP-7836) | TestSaslRPC#testDigestAuthMethodHostBasedToken fails with hostname localhost.localdomain | Minor | ipc, test | Eli Collins | Daryn Sharp |
-| [HADOOP-8423](https://issues.apache.org/jira/browse/HADOOP-8423) | MapFile.Reader.get() crashes jvm or throws EOFException on Snappy or LZO block-compressed data | Major | io | Jason B | Todd Lipcon |
-| [HADOOP-8612](https://issues.apache.org/jira/browse/HADOOP-8612) | Backport HADOOP-8599 to branch-1 (Non empty response when read beyond eof) | Major | fs | Matt Foley | Eli Collins |
-| [HADOOP-8606](https://issues.apache.org/jira/browse/HADOOP-8606) | FileSystem.get may return the wrong filesystem | Major | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-8613](https://issues.apache.org/jira/browse/HADOOP-8613) | AbstractDelegationTokenIdentifier#getUser() should set token auth type | Critical | . | Daryn Sharp | Daryn Sharp |
-| [HDFS-3679](https://issues.apache.org/jira/browse/HDFS-3679) | fuse\_dfs notrash option sets usetrash | Minor | fuse-dfs | Conrad Meyer | Conrad Meyer |
-| [MAPREDUCE-4036](https://issues.apache.org/jira/browse/MAPREDUCE-4036) | Streaming TestUlimit fails on CentOS 6 | Major | test | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-3754](https://issues.apache.org/jira/browse/HDFS-3754) | BlockSender doesn't shutdown ReadaheadPool threads | Major | datanode | Eli Collins | Eli Collins |
-| [HADOOP-8611](https://issues.apache.org/jira/browse/HADOOP-8611) | Allow fall-back to the shell-based implementation when JNI-based users-group mapping fails | Major | security | Kihwal Lee | Robert Parker |
-| [MAPREDUCE-4595](https://issues.apache.org/jira/browse/MAPREDUCE-4595) | TestLostTracker failing - possibly due to a race in JobHistory.JobHistoryFilesManager#run() | Critical | . | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-1684](https://issues.apache.org/jira/browse/MAPREDUCE-1684) | ClusterStatus can be cached in CapacityTaskScheduler.assignTasks() | Major | capacity-sched | Amareshwari Sriramadasu | Koji Noguchi |
-| [MAPREDUCE-4572](https://issues.apache.org/jira/browse/MAPREDUCE-4572) | Can not access user logs - Jetty is not configured by default to serve aliases/symlinks | Major | tasktracker, webapps | Ahmed Radwan | Ahmed Radwan |
-| [HDFS-2757](https://issues.apache.org/jira/browse/HDFS-2757) | Cannot read a local block that's being written to when using the local read short circuit | Major | . | Jean-Daniel Cryans | Jean-Daniel Cryans |
-| [HADOOP-8781](https://issues.apache.org/jira/browse/HADOOP-8781) | hadoop-config.sh should add JAVA\_LIBRARY\_PATH to LD\_LIBRARY\_PATH | Major | scripts | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-4576](https://issues.apache.org/jira/browse/MAPREDUCE-4576) | Large dist cache can block tasktracker heartbeat | Major | . | Robert Joseph Evans | Robert Joseph Evans |
-| [HADOOP-8767](https://issues.apache.org/jira/browse/HADOOP-8767) | secondary namenode on slave machines | Minor | bin | giovanni delussu | giovanni delussu |
-| [HADOOP-8819](https://issues.apache.org/jira/browse/HADOOP-8819) | Should use && instead of & in a few places in FTPFileSystem,FTPInputStream,S3InputStream,ViewFileSystem,ViewFs | Major | fs | Brandon Li | Brandon Li |
-| [HADOOP-8786](https://issues.apache.org/jira/browse/HADOOP-8786) | HttpServer continues to start even if AuthenticationFilter fails to init | Major | . | Todd Lipcon | Todd Lipcon |
-| [HDFS-3961](https://issues.apache.org/jira/browse/HDFS-3961) | FSEditLog preallocate() needs to reset the position of PREALLOCATE\_BUFFER when more than 1MB size is needed | Major | . | Jing Zhao | Jing Zhao |
-| [HADOOP-8832](https://issues.apache.org/jira/browse/HADOOP-8832) | backport serviceplugin to branch-1 | Major | . | Brandon Li | Brandon Li |
-| [HDFS-3963](https://issues.apache.org/jira/browse/HDFS-3963) | backport namenode/datanode serviceplugin to branch-1 | Major | . | Brandon Li | Brandon Li |
-| [HDFS-3698](https://issues.apache.org/jira/browse/HDFS-3698) | TestHftpFileSystem is failing in branch-1 due to changed default secure port | Major | security | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-7698](https://issues.apache.org/jira/browse/HADOOP-7698) | jsvc target fails on x86\_64 | Critical | build | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4652](https://issues.apache.org/jira/browse/MAPREDUCE-4652) | ValueAggregatorJob sets the wrong job jar | Major | examples, mrv1 | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-4662](https://issues.apache.org/jira/browse/MAPREDUCE-4662) | JobHistoryFilesManager thread pool never expands | Major | jobhistoryserver | Thomas Graves | Kihwal Lee |
-| [HADOOP-8791](https://issues.apache.org/jira/browse/HADOOP-8791) | rm "Only deletes non empty directory and files." | Major | documentation | Bertrand Dechoux | Jing Zhao |
-| [HADOOP-8386](https://issues.apache.org/jira/browse/HADOOP-8386) | hadoop script doesn't work if 'cd' prints to stdout (default behavior in Ubuntu) | Major | scripts | Christopher Berner | Christopher Berner |
-| [MAPREDUCE-4706](https://issues.apache.org/jira/browse/MAPREDUCE-4706) | FairScheduler#dump(): Computing of # running maps and reduces is commented out | Critical | contrib/fair-share | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4451](https://issues.apache.org/jira/browse/MAPREDUCE-4451) | fairscheduler fail to init job with kerberos authentication configured | Major | contrib/fair-share | Erik.fang | Erik.fang |
-| [HADOOP-6496](https://issues.apache.org/jira/browse/HADOOP-6496) | HttpServer sends wrong content-type for CSS files (and others) | Minor | . | Lars Francke | Ivan Mitic |
-| [HADOOP-7827](https://issues.apache.org/jira/browse/HADOOP-7827) | jsp pages missing DOCTYPE | Trivial | . | Dave Vronay | Dave Vronay |
-| [HDFS-3402](https://issues.apache.org/jira/browse/HDFS-3402) | Fix hdfs scripts for secure datanodes | Minor | scripts, security | Benoy Antony | Benoy Antony |
-| [HDFS-4072](https://issues.apache.org/jira/browse/HDFS-4072) | On file deletion remove corresponding blocks pending replication | Minor | namenode | Jing Zhao | Jing Zhao |
-| [HADOOP-8861](https://issues.apache.org/jira/browse/HADOOP-8861) | FSDataOutputStream.sync should call flush() if the underlying wrapped stream is not Syncable | Major | fs | Amareshwari Sriramadasu | Amareshwari Sriramadasu |
-| [HDFS-3540](https://issues.apache.org/jira/browse/HDFS-3540) | Further improvement on recovery mode and edit log toleration in branch-1 | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-8900](https://issues.apache.org/jira/browse/HADOOP-8900) | BuiltInGzipDecompressor throws IOException - stored gzip size doesn't match decompressed size | Major | . | Slavik Krassovsky | Andy Isaacson |
-| [MAPREDUCE-1806](https://issues.apache.org/jira/browse/MAPREDUCE-1806) | CombineFileInputFormat does not work with paths not on default FS | Major | harchive | Paul Yang | Gera Shegalov |
-| [MAPREDUCE-4765](https://issues.apache.org/jira/browse/MAPREDUCE-4765) | Restarting the JobTracker programmatically can cause DelegationTokenRenewal to throw an exception | Minor | jobtracker, mrv1 | Robert Kanter | Robert Kanter |
-| [HDFS-4168](https://issues.apache.org/jira/browse/HDFS-4168) | TestDFSUpgradeFromImage fails in branch-1 | Major | namenode | Tsz Wo Nicholas Sze | Jing Zhao |
-| [HADOOP-8963](https://issues.apache.org/jira/browse/HADOOP-8963) | CopyFromLocal doesn't always create user directory | Trivial | . | Billie Rinaldi | Arpit Gupta |
-| [HDFS-4180](https://issues.apache.org/jira/browse/HDFS-4180) | TestFileCreation fails in branch-1 but not branch-1.1 | Minor | test | Tsz Wo Nicholas Sze | Jing Zhao |
-| [HADOOP-9036](https://issues.apache.org/jira/browse/HADOOP-9036) | TestSinkQueue.testConcurrentConsumers fails intermittently (Backports HADOOP-7292) | Major | . | Ivan Mitic | Suresh Srinivas |
-| [HDFS-4207](https://issues.apache.org/jira/browse/HDFS-4207) | All hadoop fs operations fail if the default fs is down even if a different file system is specified in the command | Minor | hdfs-client | Steve Loughran | Jing Zhao |
-| [HADOOP-9095](https://issues.apache.org/jira/browse/HADOOP-9095) | TestNNThroughputBenchmark fails in branch-1 | Minor | net | Tsz Wo Nicholas Sze | Jing Zhao |
-| [MAPREDUCE-4778](https://issues.apache.org/jira/browse/MAPREDUCE-4778) | Fair scheduler event log is only written if directory exists on HDFS | Major | jobtracker, scheduler | Sandy Ryza | Sandy Ryza |
-| [HADOOP-9098](https://issues.apache.org/jira/browse/HADOOP-9098) | Add missing license headers | Blocker | build | Tom White | Arpit Agarwal |
-| [MAPREDUCE-4860](https://issues.apache.org/jira/browse/MAPREDUCE-4860) | DelegationTokenRenewal attempts to renew token even after a job is removed | Major | security | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4806](https://issues.apache.org/jira/browse/MAPREDUCE-4806) | Cleanup: Some (5) private methods in JobTracker.RecoveryManager are not used anymore after MAPREDUCE-3837 | Major | mrv1 | Karthik Kambatla | Karthik Kambatla |
-| [HDFS-4337](https://issues.apache.org/jira/browse/HDFS-4337) | Backport HDFS-4240 to branch-1: Make sure nodes are avoided to place replica if some replica are already under the same nodegroup. | Major | namenode | Junping Du | meng gong |
-| [MAPREDUCE-2217](https://issues.apache.org/jira/browse/MAPREDUCE-2217) | The expire launching task should cover the UNASSIGNED task | Major | jobtracker | Scott Chen | Karthik Kambatla |
-| [MAPREDUCE-4909](https://issues.apache.org/jira/browse/MAPREDUCE-4909) | TestKeyValueTextInputFormat fails with Open JDK 7 on Windows | Major | test | Arpit Agarwal | Arpit Agarwal |
-| [HDFS-4355](https://issues.apache.org/jira/browse/HDFS-4355) | TestNameNodeMetrics.testCorruptBlock fails with open JDK7 | Major | test | Brandon Li | Brandon Li |
-| [HDFS-4358](https://issues.apache.org/jira/browse/HDFS-4358) | TestCheckpoint failure with JDK7 | Major | test | Arpit Agarwal | Arpit Agarwal |
-| [MAPREDUCE-4904](https://issues.apache.org/jira/browse/MAPREDUCE-4904) | TestMultipleLevelCaching failed in branch-1 | Major | test | meng gong | Junping Du |
-| [HADOOP-9179](https://issues.apache.org/jira/browse/HADOOP-9179) | TestFileSystem fails with open JDK7 | Major | . | Brandon Li | Brandon Li |
-| [MAPREDUCE-4916](https://issues.apache.org/jira/browse/MAPREDUCE-4916) | TestTrackerDistributedCacheManager is flaky due to other badly written tests in branch-1 | Major | . | Arun C Murthy | Xuan Gong |
-| [MAPREDUCE-4914](https://issues.apache.org/jira/browse/MAPREDUCE-4914) | TestMiniMRDFSSort fails with openJDK7 | Major | test | Brandon Li | Brandon Li |
-| [MAPREDUCE-4915](https://issues.apache.org/jira/browse/MAPREDUCE-4915) | TestShuffleExceptionCount fails with open JDK7 | Major | test | Brandon Li | Brandon Li |
-| [HDFS-4351](https://issues.apache.org/jira/browse/HDFS-4351) | Fix BlockPlacementPolicyDefault#chooseTarget when avoiding stale nodes | Major | namenode | Andrew Wang | Andrew Wang |
-| [MAPREDUCE-4278](https://issues.apache.org/jira/browse/MAPREDUCE-4278) | cannot run two local jobs in parallel from the same gateway. | Major | . | Araceli Henley | Sandy Ryza |
-| [HADOOP-9191](https://issues.apache.org/jira/browse/HADOOP-9191) | TestAccessControlList and TestJobHistoryConfig fail with JDK7 | Major | test | Arpit Agarwal | Arpit Agarwal |
-| [MAPREDUCE-4850](https://issues.apache.org/jira/browse/MAPREDUCE-4850) | Job recovery may fail if staging directory has been deleted | Major | mrv1 | Tom White | Tom White |
-| [MAPREDUCE-4930](https://issues.apache.org/jira/browse/MAPREDUCE-4930) | Backport MAPREDUCE-4678 and MAPREDUCE-4925 to branch-1 | Major | examples | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4924](https://issues.apache.org/jira/browse/MAPREDUCE-4924) | flakey test: org.apache.hadoop.mapred.TestClusterMRNotification.testMR | Trivial | mrv1 | Robert Kanter | Robert Kanter |
-| [MAPREDUCE-4315](https://issues.apache.org/jira/browse/MAPREDUCE-4315) | jobhistory.jsp throws 500 when a .txt file is found in /done | Major | jobhistoryserver | Alexander Alten-Lorenz | Sandy Ryza |
-| [MAPREDUCE-4923](https://issues.apache.org/jira/browse/MAPREDUCE-4923) | Add toString method to TaggedInputSplit | Minor | mrv1, mrv2, task | Sandy Ryza | Sandy Ryza |
-| [HADOOP-8580](https://issues.apache.org/jira/browse/HADOOP-8580) | ant compile-native fails with automake version 1.11.3 | Major | . | Eugene Koontz | |
-| [MAPREDUCE-4929](https://issues.apache.org/jira/browse/MAPREDUCE-4929) | mapreduce.task.timeout is ignored | Major | mrv1 | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-4963](https://issues.apache.org/jira/browse/MAPREDUCE-4963) | StatisticsCollector improperly keeps track of "Last Day" and "Last Hour" statistics for new TaskTrackers | Major | mrv1 | Robert Kanter | Robert Kanter |
-| [MAPREDUCE-4962](https://issues.apache.org/jira/browse/MAPREDUCE-4962) | jobdetails.jsp uses display name instead of real name to get counters | Major | jobtracker, mrv1 | Sandy Ryza | Sandy Ryza |
-| [HDFS-4444](https://issues.apache.org/jira/browse/HDFS-4444) | Add space between total transaction time and number of transactions in FSEditLog#printStatistics | Trivial | . | Stephen Chu | Stephen Chu |
-| [MAPREDUCE-2264](https://issues.apache.org/jira/browse/MAPREDUCE-2264) | Job status exceeds 100% in some cases | Major | jobtracker | Adam Kramer | Devaraj K |
-| [MAPREDUCE-4969](https://issues.apache.org/jira/browse/MAPREDUCE-4969) | TestKeyValueTextInputFormat test fails with Open JDK 7 | Major | test | Arpit Agarwal | Arpit Agarwal |
-| [MAPREDUCE-4843](https://issues.apache.org/jira/browse/MAPREDUCE-4843) | When using DefaultTaskController, JobLocalizer not thread safe | Critical | tasktracker | yunjiong zhao | Karthik Kambatla |
-| [MAPREDUCE-4967](https://issues.apache.org/jira/browse/MAPREDUCE-4967) | TestJvmReuse fails on assertion | Major | tasktracker, test | Chris Nauroth | Karthik Kambatla |
-| [MAPREDUCE-4434](https://issues.apache.org/jira/browse/MAPREDUCE-4434) | Backport MR-2779 (JobSplitWriter.java can't handle large job.split file) to branch-1 | Major | mrv1 | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4970](https://issues.apache.org/jira/browse/MAPREDUCE-4970) | Child tasks (try to) create security audit log files | Major | . | Sandy Ryza | Sandy Ryza |
-| [HADOOP-9124](https://issues.apache.org/jira/browse/HADOOP-9124) | SortedMapWritable violates contract of Map interface for equals() and hashCode() | Minor | io | Patrick Hunt | Surenkumar Nihalani |
-| [HDFS-4466](https://issues.apache.org/jira/browse/HDFS-4466) | Remove the deadlock from AbstractDelegationTokenSecretManager | Major | namenode, security | Brandon Li | Brandon Li |
-| [HADOOP-9154](https://issues.apache.org/jira/browse/HADOOP-9154) | SortedMapWritable#putAll() doesn't add key/value classes to the map | Major | io | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4643](https://issues.apache.org/jira/browse/MAPREDUCE-4643) | Make job-history cleanup-period configurable | Major | jobhistoryserver | Karthik Kambatla | Sandy Ryza |
-| [HDFS-4222](https://issues.apache.org/jira/browse/HDFS-4222) | NN is unresponsive and loses heartbeats of DNs when Hadoop is configured to use LDAP and LDAP has issues | Minor | namenode | Xiaobo Peng | Xiaobo Peng |
-| [HDFS-4479](https://issues.apache.org/jira/browse/HDFS-4479) | logSync() with the FSNamesystem lock held in commitBlockSynchronization | Major | . | Jing Zhao | Jing Zhao |
-| [HADOOP-8917](https://issues.apache.org/jira/browse/HADOOP-8917) | add LOCALE.US to toLowerCase in SecurityUtil.replacePattern | Major | . | Arpit Gupta | Arpit Gupta |
-| [MAPREDUCE-5008](https://issues.apache.org/jira/browse/MAPREDUCE-5008) | Merger progress miscounts with respect to EOF\_MARKER | Major | . | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5035](https://issues.apache.org/jira/browse/MAPREDUCE-5035) | Update MR1 memory configuration docs | Major | mrv1 | Tom White | Tom White |
-| [MAPREDUCE-4933](https://issues.apache.org/jira/browse/MAPREDUCE-4933) | MR1 final merge asks for length of file it just wrote before flushing it | Major | mrv1, task | Sandy Ryza | Sandy Ryza |
-| [HDFS-4518](https://issues.apache.org/jira/browse/HDFS-4518) | Finer grained metrics for HDFS capacity | Major | . | Arpit Agarwal | Arpit Agarwal |
-| [HADOOP-9349](https://issues.apache.org/jira/browse/HADOOP-9349) | Confusing output when running hadoop version from one hadoop installation when HADOOP\_HOME points to another | Major | tools | Sandy Ryza | Sandy Ryza |
-| [HDFS-4519](https://issues.apache.org/jira/browse/HDFS-4519) | Support override of jsvc binary and log file locations when launching secure datanode. | Major | datanode, scripts | Chris Nauroth | Chris Nauroth |
-| [HDFS-4544](https://issues.apache.org/jira/browse/HDFS-4544) | Error in deleting blocks should not do check disk, for all types of errors | Major | . | Amareshwari Sriramadasu | Arpit Agarwal |
-| [MAPREDUCE-5049](https://issues.apache.org/jira/browse/MAPREDUCE-5049) | CombineFileInputFormat counts all compressed files non-splitable | Major | . | Sandy Ryza | Sandy Ryza |
-| [HADOOP-9369](https://issues.apache.org/jira/browse/HADOOP-9369) | DNS#reverseDns() can return hostname with . appended at the end | Major | net | Karthik Kambatla | Karthik Kambatla |
-| [HDFS-4558](https://issues.apache.org/jira/browse/HDFS-4558) | start balancer failed with NPE | Critical | balancer & mover | Wenwu Peng | Junping Du |
-| [HADOOP-9099](https://issues.apache.org/jira/browse/HADOOP-9099) | NetUtils.normalizeHostName fails on domains where UnknownHost resolves to an IP address | Minor | test | Ivan Mitic | Ivan Mitic |
-| [HADOOP-9451](https://issues.apache.org/jira/browse/HADOOP-9451) | Node with one topology layer should be handled as fault topology when NodeGroup layer is enabled | Major | net | Junping Du | Junping Du |
-| [MAPREDUCE-4463](https://issues.apache.org/jira/browse/MAPREDUCE-4463) | JobTracker recovery fails with HDFS permission issue | Blocker | mrv1 | Tom White | Tom White |
-| [MAPREDUCE-5131](https://issues.apache.org/jira/browse/MAPREDUCE-5131) | Provide better handling of job status related apis during JT restart | Major | . | Arun C Murthy | Arun C Murthy |
-| [HDFS-4413](https://issues.apache.org/jira/browse/HDFS-4413) | Secondary namenode won't start if HDFS isn't the default file system | Major | namenode | Mostafa Elhemali | Mostafa Elhemali |
-| [HADOOP-9467](https://issues.apache.org/jira/browse/HADOOP-9467) | Metrics2 record filtering (.record.filter.include/exclude) does not filter by name | Major | metrics | Chris Nauroth | Chris Nauroth |
-| [MAPREDUCE-5066](https://issues.apache.org/jira/browse/MAPREDUCE-5066) | JobTracker should set a timeout when calling into job.end.notification.url | Major | . | Ivan Mitic | Ivan Mitic |
-| [HADOOP-9473](https://issues.apache.org/jira/browse/HADOOP-9473) | typo in FileUtil copy() method | Trivial | fs | Glen Mazza | |
-| [HDFS-4715](https://issues.apache.org/jira/browse/HDFS-4715) | Backport HDFS-3577 and other related WebHDFS issue to branch-1 | Major | webhdfs | Tsz Wo Nicholas Sze | Mark Wagner |
-| [HADOOP-9492](https://issues.apache.org/jira/browse/HADOOP-9492) | Fix the typo in testConf.xml to make it consistent with FileUtil#copy() | Trivial | test | Jing Zhao | Jing Zhao |
-| [MAPREDUCE-5169](https://issues.apache.org/jira/browse/MAPREDUCE-5169) | Job recovery fails if job tracker is restarted after the job is submitted but before its initialized | Major | . | Arpit Gupta | Arun C Murthy |
-| [HADOOP-9458](https://issues.apache.org/jira/browse/HADOOP-9458) | In branch-1, RPC.getProxy(..) may call proxy.getProtocolVersion(..) without retry | Critical | ipc | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-9502](https://issues.apache.org/jira/browse/HADOOP-9502) | chmod does not return error exit codes for some exceptions | Minor | fs | Ramya Sunil | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-5166](https://issues.apache.org/jira/browse/MAPREDUCE-5166) | ConcurrentModificationException in LocalJobRunner | Blocker | . | Gunther Hagleitner | Sandy Ryza |
-| [MAPREDUCE-5158](https://issues.apache.org/jira/browse/MAPREDUCE-5158) | Cleanup required when mapreduce.job.restart.recover is set to false | Major | jobtracker | Yesha Vora | Mayank Bansal |
-| [MAPREDUCE-5198](https://issues.apache.org/jira/browse/MAPREDUCE-5198) | Race condition in cleanup during task tracker renint with LinuxTaskController | Major | tasktracker | Arpit Gupta | Arpit Gupta |
-| [MAPREDUCE-5154](https://issues.apache.org/jira/browse/MAPREDUCE-5154) | staging directory deletion fails because delegation tokens have been cancelled | Major | jobtracker | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5202](https://issues.apache.org/jira/browse/MAPREDUCE-5202) | Revert MAPREDUCE-4397 to avoid using incorrect config files | Major | . | Owen O'Malley | Owen O'Malley |
-| [HADOOP-9537](https://issues.apache.org/jira/browse/HADOOP-9537) | Backport AIX patches to branch-1 | Major | security | Arpit Agarwal | Arpit Agarwal |
-| [HADOOP-9543](https://issues.apache.org/jira/browse/HADOOP-9543) | TestFsShellReturnCode may fail in branch-1 | Minor | test | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-9544](https://issues.apache.org/jira/browse/HADOOP-9544) | backport UTF8 encoding fixes to branch-1 | Major | io | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9375](https://issues.apache.org/jira/browse/HADOOP-9375) | Port HADOOP-7290 to branch-1 to fix TestUserGroupInformation failure | Trivial | test | Xiaobo Peng | Suresh Srinivas |
-| [HDFS-4240](https://issues.apache.org/jira/browse/HDFS-4240) | In nodegroup-aware case, make sure nodes are avoided to place replica if some replica are already under the same nodegroup | Major | namenode | Junping Du | Junping Du |
-| [HDFS-3499](https://issues.apache.org/jira/browse/HDFS-3499) | Make NetworkTopology support user specified topology class | Major | datanode | Junping Du | Junping Du |
-| [MAPREDUCE-5028](https://issues.apache.org/jira/browse/MAPREDUCE-5028) | Maps fail when io.sort.mb is set to high value | Critical | . | Karthik Kambatla | Karthik Kambatla |
-
-
-### TESTS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-9174](https://issues.apache.org/jira/browse/HADOOP-9174) | TestSecurityUtil fails on Open JDK 7 | Major | test | Arpit Agarwal | Arpit Agarwal |
-| [HADOOP-9175](https://issues.apache.org/jira/browse/HADOOP-9175) | TestWritableName fails with Open JDK 7 | Major | test | Arpit Agarwal | Arpit Agarwal |
-| [HDFS-4256](https://issues.apache.org/jira/browse/HDFS-4256) | Backport concatenation of files into a single file to branch-1 | Major | namenode | Suresh Srinivas | Sanjay Radia |
-
-
-### SUB-TASKS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-7754](https://issues.apache.org/jira/browse/HADOOP-7754) | Expose file descriptors from Hadoop-wrapped local FileSystems | Major | native, performance | Todd Lipcon | Todd Lipcon |
-| [HDFS-3912](https://issues.apache.org/jira/browse/HDFS-3912) | Detecting and avoiding stale datanodes for writing | Major | . | Jing Zhao | Jing Zhao |
-| [HDFS-4071](https://issues.apache.org/jira/browse/HDFS-4071) | Add number of stale DataNodes to metrics for Branch-1 | Minor | datanode, namenode | Jing Zhao | Jing Zhao |
-| [HADOOP-8817](https://issues.apache.org/jira/browse/HADOOP-8817) | Backport Network Topology Extension for Virtualization (HADOOP-8468) to branch-1 | Major | . | Junping Du | Junping Du |
-| [HADOOP-8469](https://issues.apache.org/jira/browse/HADOOP-8469) | Make NetworkTopology class pluggable | Major | . | Junping Du | Junping Du |
-| [HADOOP-8470](https://issues.apache.org/jira/browse/HADOOP-8470) | Implementation of 4-layer subclass of NetworkTopology (NetworkTopologyWithNodeGroup) | Major | . | Junping Du | Junping Du |
-
-
http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.1/CHANGELOG.1.2.1.md
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.1/CHANGELOG.1.2.1.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.1/CHANGELOG.1.2.1.md
new file mode 100644
index 0000000..7a58c16
--- /dev/null
+++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.1/CHANGELOG.1.2.1.md
@@ -0,0 +1,62 @@
+
+<!---
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+-->
+# Apache Hadoop Changelog
+
+## Release 1.2.1 - 2013-08-01
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [MAPREDUCE-4838](https://issues.apache.org/jira/browse/MAPREDUCE-4838) | Add extra info to JH files | Major | . | Arun C Murthy | Zhijie Shen |
+| [MAPREDUCE-5368](https://issues.apache.org/jira/browse/MAPREDUCE-5368) | Save memory by set capacity, load factor and concurrency level for ConcurrentHashMap in TaskInProgress | Major | mrv1 | yunjiong zhao | yunjiong zhao |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-4581](https://issues.apache.org/jira/browse/HDFS-4581) | DataNode#checkDiskError should not be called on network errors | Major | datanode | Rohit Kochar | Rohit Kochar |
+| [HDFS-4699](https://issues.apache.org/jira/browse/HDFS-4699) | TestPipelinesFailover#testPipelineRecoveryStress fails sporadically | Major | test | Chris Nauroth | Chris Nauroth |
+| [MAPREDUCE-5206](https://issues.apache.org/jira/browse/MAPREDUCE-5206) | JT can show the same job multiple times in Retired Jobs section | Minor | . | Arun C Murthy | Arun C Murthy |
+| [MAPREDUCE-5148](https://issues.apache.org/jira/browse/MAPREDUCE-5148) | Syslog missing from Map/Reduce tasks | Major | tasktracker | Yesha Vora | Arun C Murthy |
+| [MAPREDUCE-3859](https://issues.apache.org/jira/browse/MAPREDUCE-3859) | CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs | Major | capacity-sched | Sergey Tryuber | Sergey Tryuber |
+| [HDFS-4261](https://issues.apache.org/jira/browse/HDFS-4261) | TestBalancerWithNodeGroup times out | Major | balancer & mover | Tsz Wo Nicholas Sze | Junping Du |
+| [HDFS-4880](https://issues.apache.org/jira/browse/HDFS-4880) | Diagnostic logging while loading name/edits files | Major | namenode | Arpit Agarwal | Suresh Srinivas |
+| [MAPREDUCE-5260](https://issues.apache.org/jira/browse/MAPREDUCE-5260) | Job failed because of JvmManager running into inconsistent state | Major | tasktracker | yunjiong zhao | yunjiong zhao |
+| [MAPREDUCE-5318](https://issues.apache.org/jira/browse/MAPREDUCE-5318) | Ampersand in JSPUtil.java is not escaped | Minor | jobtracker | Bohou Li | Bohou Li |
+| [HADOOP-9665](https://issues.apache.org/jira/browse/HADOOP-9665) | BlockDecompressorStream#decompress will throw EOFException instead of return -1 when EOF | Critical | . | Zhijie Shen | Zhijie Shen |
+| [MAPREDUCE-5375](https://issues.apache.org/jira/browse/MAPREDUCE-5375) | Delegation Token renewal exception in jobtracker logs | Critical | . | Venkat Ranganathan | Venkat Ranganathan |
+| [HADOOP-9504](https://issues.apache.org/jira/browse/HADOOP-9504) | MetricsDynamicMBeanBase has concurrency issues in createMBeanInfo | Critical | metrics | Liang Xie | Liang Xie |
+| [MAPREDUCE-5256](https://issues.apache.org/jira/browse/MAPREDUCE-5256) | CombineInputFormat isn't thread safe affecting HiveServer | Major | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
+| [MAPREDUCE-5351](https://issues.apache.org/jira/browse/MAPREDUCE-5351) | JobTracker memory leak caused by CleanupQueue reopening FileSystem | Critical | jobtracker | Sandy Ryza | Sandy Ryza |
+| [MAPREDUCE-5364](https://issues.apache.org/jira/browse/MAPREDUCE-5364) | Deadlock between RenewalTimerTask methods cancel() and run() | Major | . | Karthik Kambatla | Karthik Kambatla |
+| [HADOOP-9730](https://issues.apache.org/jira/browse/HADOOP-9730) | fix hadoop.spec to add task-log4j.properties | Major | build | Giridharan Kesavan | Giridharan Kesavan |
+| [MAPREDUCE-4490](https://issues.apache.org/jira/browse/MAPREDUCE-4490) | JVM reuse is incompatible with LinuxTaskController (and therefore incompatible with Security) | Critical | task-controller, tasktracker | George Datskos | sam liu |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-10371](https://issues.apache.org/jira/browse/HADOOP-10371) | The eclipse-plugin cannot work in my environment | Minor | contrib/eclipse-plugin | huangxing | |
+
+
http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.1/CHANGES.1.2.1.md
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.1/CHANGES.1.2.1.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.1/CHANGES.1.2.1.md
deleted file mode 100644
index 7a58c16..0000000
--- a/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.1/CHANGES.1.2.1.md
+++ /dev/null
@@ -1,62 +0,0 @@
-
-<!---
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
--->
-# Apache Hadoop Changelog
-
-## Release 1.2.1 - 2013-08-01
-
-
-
-### IMPROVEMENTS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [MAPREDUCE-4838](https://issues.apache.org/jira/browse/MAPREDUCE-4838) | Add extra info to JH files | Major | . | Arun C Murthy | Zhijie Shen |
-| [MAPREDUCE-5368](https://issues.apache.org/jira/browse/MAPREDUCE-5368) | Save memory by set capacity, load factor and concurrency level for ConcurrentHashMap in TaskInProgress | Major | mrv1 | yunjiong zhao | yunjiong zhao |
-
-
-### BUG FIXES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HDFS-4581](https://issues.apache.org/jira/browse/HDFS-4581) | DataNode#checkDiskError should not be called on network errors | Major | datanode | Rohit Kochar | Rohit Kochar |
-| [HDFS-4699](https://issues.apache.org/jira/browse/HDFS-4699) | TestPipelinesFailover#testPipelineRecoveryStress fails sporadically | Major | test | Chris Nauroth | Chris Nauroth |
-| [MAPREDUCE-5206](https://issues.apache.org/jira/browse/MAPREDUCE-5206) | JT can show the same job multiple times in Retired Jobs section | Minor | . | Arun C Murthy | Arun C Murthy |
-| [MAPREDUCE-5148](https://issues.apache.org/jira/browse/MAPREDUCE-5148) | Syslog missing from Map/Reduce tasks | Major | tasktracker | Yesha Vora | Arun C Murthy |
-| [MAPREDUCE-3859](https://issues.apache.org/jira/browse/MAPREDUCE-3859) | CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs | Major | capacity-sched | Sergey Tryuber | Sergey Tryuber |
-| [HDFS-4261](https://issues.apache.org/jira/browse/HDFS-4261) | TestBalancerWithNodeGroup times out | Major | balancer & mover | Tsz Wo Nicholas Sze | Junping Du |
-| [HDFS-4880](https://issues.apache.org/jira/browse/HDFS-4880) | Diagnostic logging while loading name/edits files | Major | namenode | Arpit Agarwal | Suresh Srinivas |
-| [MAPREDUCE-5260](https://issues.apache.org/jira/browse/MAPREDUCE-5260) | Job failed because of JvmManager running into inconsistent state | Major | tasktracker | yunjiong zhao | yunjiong zhao |
-| [MAPREDUCE-5318](https://issues.apache.org/jira/browse/MAPREDUCE-5318) | Ampersand in JSPUtil.java is not escaped | Minor | jobtracker | Bohou Li | Bohou Li |
-| [HADOOP-9665](https://issues.apache.org/jira/browse/HADOOP-9665) | BlockDecompressorStream#decompress will throw EOFException instead of return -1 when EOF | Critical | . | Zhijie Shen | Zhijie Shen |
-| [MAPREDUCE-5375](https://issues.apache.org/jira/browse/MAPREDUCE-5375) | Delegation Token renewal exception in jobtracker logs | Critical | . | Venkat Ranganathan | Venkat Ranganathan |
-| [HADOOP-9504](https://issues.apache.org/jira/browse/HADOOP-9504) | MetricsDynamicMBeanBase has concurrency issues in createMBeanInfo | Critical | metrics | Liang Xie | Liang Xie |
-| [MAPREDUCE-5256](https://issues.apache.org/jira/browse/MAPREDUCE-5256) | CombineInputFormat isn't thread safe affecting HiveServer | Major | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
-| [MAPREDUCE-5351](https://issues.apache.org/jira/browse/MAPREDUCE-5351) | JobTracker memory leak caused by CleanupQueue reopening FileSystem | Critical | jobtracker | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5364](https://issues.apache.org/jira/browse/MAPREDUCE-5364) | Deadlock between RenewalTimerTask methods cancel() and run() | Major | . | Karthik Kambatla | Karthik Kambatla |
-| [HADOOP-9730](https://issues.apache.org/jira/browse/HADOOP-9730) | fix hadoop.spec to add task-log4j.properties | Major | build | Giridharan Kesavan | Giridharan Kesavan |
-| [MAPREDUCE-4490](https://issues.apache.org/jira/browse/MAPREDUCE-4490) | JVM reuse is incompatible with LinuxTaskController (and therefore incompatible with Security) | Critical | task-controller, tasktracker | George Datskos | sam liu |
-
-
-### OTHER:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-10371](https://issues.apache.org/jira/browse/HADOOP-10371) | The eclipse-plugin cannot work in my environment | Minor | contrib/eclipse-plugin | huangxing | |
-
-
http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.2/CHANGELOG.1.2.2.md
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.2/CHANGELOG.1.2.2.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.2/CHANGELOG.1.2.2.md
new file mode 100644
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--- /dev/null
+++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.2/CHANGELOG.1.2.2.md
@@ -0,0 +1,32 @@
+
+<!---
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+-->
+# Apache Hadoop Changelog
+
+## Release 1.2.2 - Unreleased (as of 2018-09-02)
+
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [MAPREDUCE-5450](https://issues.apache.org/jira/browse/MAPREDUCE-5450) | Unnecessary Configuration instantiation in IFileInputStream slows down merge - Port to branch-1 | Blocker | mrv1 | Stanislav Barton | Stanislav Barton |
+| [MAPREDUCE-6009](https://issues.apache.org/jira/browse/MAPREDUCE-6009) | Map-only job with new-api runs wrong OutputCommitter when cleanup scheduled in a reduce slot | Blocker | client, job submission | Gera Shegalov | Gera Shegalov |
+
+
http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.2/CHANGES.1.2.2.md
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.2/CHANGES.1.2.2.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.2/CHANGES.1.2.2.md
deleted file mode 100644
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--- a/hadoop-common-project/hadoop-common/src/site/markdown/release/1.2.2/CHANGES.1.2.2.md
+++ /dev/null
@@ -1,32 +0,0 @@
-
-<!---
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
--->
-# Apache Hadoop Changelog
-
-## Release 1.2.2 - Unreleased (as of 2017-08-28)
-
-
-
-### BUG FIXES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [MAPREDUCE-5450](https://issues.apache.org/jira/browse/MAPREDUCE-5450) | Unnecessary Configuration instantiation in IFileInputStream slows down merge - Port to branch-1 | Blocker | mrv1 | Stanislav Barton | Stanislav Barton |
-| [MAPREDUCE-6009](https://issues.apache.org/jira/browse/MAPREDUCE-6009) | Map-only job with new-api runs wrong OutputCommitter when cleanup scheduled in a reduce slot | Blocker | client, job submission | Gera Shegalov | Gera Shegalov |
-
-
http://git-wip-us.apache.org/repos/asf/hadoop/blob/4b8c2b1c/hadoop-common-project/hadoop-common/src/site/markdown/release/1.3.0/CHANGELOG.1.3.0.md
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/1.3.0/CHANGELOG.1.3.0.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/1.3.0/CHANGELOG.1.3.0.md
new file mode 100644
index 0000000..7ab7dcf
--- /dev/null
+++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/1.3.0/CHANGELOG.1.3.0.md
@@ -0,0 +1,139 @@
+
+<!---
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+-->
+# Apache Hadoop Changelog
+
+## Release 1.3.0 - Unreleased (as of 2018-09-02)
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [MAPREDUCE-5777](https://issues.apache.org/jira/browse/MAPREDUCE-5777) | Support utf-8 text with BOM (byte order marker) | Major | . | bc Wong | zhihai xu |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [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 |
+| [HADOOP-9450](https://issues.apache.org/jira/browse/HADOOP-9450) | HADOOP\_USER\_CLASSPATH\_FIRST is not honored; CLASSPATH is PREpended instead of APpended | Major | scripts | Mitch Wyle | Harsh J |
+| [HDFS-4521](https://issues.apache.org/jira/browse/HDFS-4521) | invalid network topologies should not be cached | Minor | . | Colin P. McCabe | Colin P. McCabe |
+| [HADOOP-8873](https://issues.apache.org/jira/browse/HADOOP-8873) | Port HADOOP-8175 (Add mkdir -p flag) to branch-1 | Major | . | Eli Collins | Akira Ajisaka |
+| [HDFS-4903](https://issues.apache.org/jira/browse/HDFS-4903) | Print trash configuration and trash emptier state in namenode log | Minor | namenode | Suresh Srinivas | Arpit Agarwal |
+| [MAPREDUCE-5406](https://issues.apache.org/jira/browse/MAPREDUCE-5406) | Improve logging around Task Tracker exiting with JVM manager inconsistent state | Major | tasktracker | Chelsey Chang | Chelsey Chang |
+| [MAPREDUCE-5408](https://issues.apache.org/jira/browse/MAPREDUCE-5408) | CLONE - The logging level of the tasks should be configurable by the job | Major | . | Owen O'Malley | Arun C Murthy |
+| [MAPREDUCE-5367](https://issues.apache.org/jira/browse/MAPREDUCE-5367) | Local jobs all use same local working directory | Major | . | Sandy Ryza | Sandy Ryza |
+| [HDFS-4963](https://issues.apache.org/jira/browse/HDFS-4963) | Improve multihoming support in namenode | Major | namenode | Arpit Agarwal | Arpit Agarwal |
+| [HADOOP-9855](https://issues.apache.org/jira/browse/HADOOP-9855) | Backport HADOOP-6578 to branch-1 | Major | . | James Kinley | James Kinley |
+| [HDFS-5038](https://issues.apache.org/jira/browse/HDFS-5038) | Backport several branch-2 APIs to branch-1 | Minor | . | Jing Zhao | Jing Zhao |
+| [HDFS-5367](https://issues.apache.org/jira/browse/HDFS-5367) | Restoring namenode storage locks namenode due to unnecessary fsimage write | Major | . | yunjiong zhao | yunjiong zhao |
+| [MAPREDUCE-5457](https://issues.apache.org/jira/browse/MAPREDUCE-5457) | Add a KeyOnlyTextOutputReader to enable streaming to write out text files without separators | Major | . | Sandy Ryza | Sandy Ryza |
+| [MAPREDUCE-5609](https://issues.apache.org/jira/browse/MAPREDUCE-5609) | Add debug log message when sending job end notification | Major | . | Robert Kanter | Robert Kanter |
+| [MAPREDUCE-3310](https://issues.apache.org/jira/browse/MAPREDUCE-3310) | Custom grouping comparator cannot be set for Combiners | Major | client | Mathias Herberts | Alejandro Abdelnur |
+| [MAPREDUCE-5651](https://issues.apache.org/jira/browse/MAPREDUCE-5651) | Backport Fair Scheduler queue placement policies to branch-1 | Major | scheduler | Sandy Ryza | Ted Malaska |
+| [MAPREDUCE-5712](https://issues.apache.org/jira/browse/MAPREDUCE-5712) | Backport Fair Scheduler pool placement by secondary group | Major | scheduler | Theodore michael Malaska | Theodore michael Malaska |
+| [HADOOP-10614](https://issues.apache.org/jira/browse/HADOOP-10614) | CBZip2InputStream is not threadsafe | Major | . | Xiangrui Meng | Xiangrui Meng |
+| [MAPREDUCE-6088](https://issues.apache.org/jira/browse/MAPREDUCE-6088) | TestTokenCache tests should use their own JobConf instances | Major | mrv1, test | zhihai xu | zhihai xu |
+| [HDFS-7312](https://issues.apache.org/jira/browse/HDFS-7312) | Update DistCp v1 to optionally not use tmp location (branch-1 only) | Minor | tools | Joseph Prosser | Joseph Prosser |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-7140](https://issues.apache.org/jira/browse/HADOOP-7140) | IPC Reader threads do not stop when server stops | Critical | . | Todd Lipcon | Todd Lipcon |
+| [HDFS-2264](https://issues.apache.org/jira/browse/HDFS-2264) | NamenodeProtocol has the wrong value for clientPrincipal in KerberosInfo annotation | Major | namenode | Aaron T. Myers | Aaron T. Myers |
+| [MAPREDUCE-5046](https://issues.apache.org/jira/browse/MAPREDUCE-5046) | backport MAPREDUCE-1423 to mapred.lib.CombineFileInputFormat | Major | client | Sangjin Lee | |
+| [MAPREDUCE-5047](https://issues.apache.org/jira/browse/MAPREDUCE-5047) | keep.failed.task.files=true causes job failure on secure clusters | Major | task, tasktracker | Sandy Ryza | Sandy Ryza |
+| [MAPREDUCE-5070](https://issues.apache.org/jira/browse/MAPREDUCE-5070) | TestClusterStatus.testClusterMetrics fails on JDK7 | Major | test | Sandy Ryza | Sandy Ryza |
+| [MAPREDUCE-5072](https://issues.apache.org/jira/browse/MAPREDUCE-5072) | TestDelegationTokenRenewal.testDTRenewal fails in MR1 on jdk7 | Major | test | Sandy Ryza | Sandy Ryza |
+| [MAPREDUCE-5073](https://issues.apache.org/jira/browse/MAPREDUCE-5073) | TestJobStatusPersistency.testPersistency fails on JDK7 | Major | test | Sandy Ryza | Sandy Ryza |
+| [HDFS-4622](https://issues.apache.org/jira/browse/HDFS-4622) | Remove redundant synchronized from FSNamesystem#rollEditLog in branch-1 | Trivial | . | Jing Zhao | Jing Zhao |
+| [MAPREDUCE-2817](https://issues.apache.org/jira/browse/MAPREDUCE-2817) | MiniRMCluster hardcodes 'mapred.local.dir' configuration to 'build/test/mapred/local' | Minor | test | Alejandro Abdelnur | Robert Kanter |
+| [MAPREDUCE-5133](https://issues.apache.org/jira/browse/MAPREDUCE-5133) | TestSubmitJob.testSecureJobExecution is flaky due to job dir deletion race | Major | test | Sandy Ryza | Sandy Ryza |
+| [MAPREDUCE-5218](https://issues.apache.org/jira/browse/MAPREDUCE-5218) | Annotate (comment) internal classes as Private | Minor | . | Karthik Kambatla | Karthik Kambatla |
+| [MAPREDUCE-5217](https://issues.apache.org/jira/browse/MAPREDUCE-5217) | DistCp fails when launched by Oozie in a secure cluster | Major | distcp, security | Venkat Ranganathan | Venkat Ranganathan |
+| [MAPREDUCE-5095](https://issues.apache.org/jira/browse/MAPREDUCE-5095) | TestShuffleExceptionCount#testCheckException fails occasionally with JDK7 | Major | . | Arpit Agarwal | Arpit Agarwal |
+| [MAPREDUCE-5250](https://issues.apache.org/jira/browse/MAPREDUCE-5250) | Searching for ';' in JobTracker History throws ArrayOutOfBoundException | Minor | . | Karthik Kambatla | Karthik Kambatla |
+| [HDFS-4944](https://issues.apache.org/jira/browse/HDFS-4944) | WebHDFS cannot create a file path containing characters that must be URI-encoded, such as space. | Major | webhdfs | Chris Nauroth | Chris Nauroth |
+| [HADOOP-9678](https://issues.apache.org/jira/browse/HADOOP-9678) | TestRPC#testStopsAllThreads intermittently fails on Windows | Major | . | Ivan Mitic | Ivan Mitic |
+| [HADOOP-9307](https://issues.apache.org/jira/browse/HADOOP-9307) | BufferedFSInputStream.read returns wrong results after certain seeks | Major | fs | Todd Lipcon | Todd Lipcon |
+| [HDFS-5003](https://issues.apache.org/jira/browse/HDFS-5003) | TestNNThroughputBenchmark failed caused by existing directories | Minor | test | Xi Fang | Xi Fang |
+| [MAPREDUCE-5405](https://issues.apache.org/jira/browse/MAPREDUCE-5405) | Job recovery can fail if task log directory symlink from prior run still exists | Major | mrv1 | Chris Nauroth | Chris Nauroth |
+| [MAPREDUCE-5288](https://issues.apache.org/jira/browse/MAPREDUCE-5288) | ResourceEstimator#getEstimatedTotalMapOutputSize suffers from divide by zero issues | Major | mrv1 | Harsh J | Karthik Kambatla |
+| [HADOOP-9507](https://issues.apache.org/jira/browse/HADOOP-9507) | LocalFileSystem rename() is broken in some cases when destination exists | Minor | fs | Mostafa Elhemali | Chris Nauroth |
+| [MAPREDUCE-4366](https://issues.apache.org/jira/browse/MAPREDUCE-4366) | mapred metrics shows negative count of waiting maps and reduces | Major | jobtracker | Thomas Graves | Sandy Ryza |
+| [HADOOP-9768](https://issues.apache.org/jira/browse/HADOOP-9768) | chown and chgrp reject users and groups with spaces on platforms where spaces are otherwise acceptable | Major | fs | Chris Nauroth | Chris Nauroth |
+| [HADOOP-9801](https://issues.apache.org/jira/browse/HADOOP-9801) | Configuration#writeXml uses platform defaulting encoding, which may mishandle multi-byte characters. | Major | conf | Chris Nauroth | Chris Nauroth |
+| [HDFS-4898](https://issues.apache.org/jira/browse/HDFS-4898) | BlockPlacementPolicyWithNodeGroup.chooseRemoteRack() fails to properly fallback to local rack | Minor | namenode | Eric Sirianni | Tsz Wo Nicholas Sze |
+| [HDFS-5211](https://issues.apache.org/jira/browse/HDFS-5211) | Race condition between DistributedFileSystem#close and FileSystem#close can cause return of a closed DistributedFileSystem instance from the FileSystem cache. | Major | hdfs-client | Chris Nauroth | Chris Nauroth |
+| [MAPREDUCE-5508](https://issues.apache.org/jira/browse/MAPREDUCE-5508) | JobTracker memory leak caused by unreleased FileSystem objects in JobInProgress#cleanupJob | Critical | jobtracker | Xi Fang | Xi Fang |
+| [HDFS-5245](https://issues.apache.org/jira/browse/HDFS-5245) | shouldRetry() in WebHDFSFileSystem generates excessive warnings | Minor | webhdfs | Haohui Mai | Haohui Mai |
+| [HADOOP-10009](https://issues.apache.org/jira/browse/HADOOP-10009) | Backport HADOOP-7808 to branch-1 | Major | . | Haohui Mai | Haohui Mai |
+| [MAPREDUCE-5569](https://issues.apache.org/jira/browse/MAPREDUCE-5569) | FloatSplitter is not generating correct splits | Major | . | Nathan Roberts | Nathan Roberts |
+| [MAPREDUCE-5512](https://issues.apache.org/jira/browse/MAPREDUCE-5512) | TaskTracker hung after failed reconnect to the JobTracker | Major | tasktracker | Ivan Mitic | Ivan Mitic |
+| [HDFS-4794](https://issues.apache.org/jira/browse/HDFS-4794) | Browsing filesystem via webui throws kerberos exception when NN service RPC is enabled in a secure cluster | Major | security | Benoy Antony | Benoy Antony |
+| [HADOOP-10142](https://issues.apache.org/jira/browse/HADOOP-10142) | Avoid groups lookup for unprivileged users such as "dr.who" | Major | . | Vinayakumar B | Vinayakumar B |
+| [HADOOP-10090](https://issues.apache.org/jira/browse/HADOOP-10090) | Jobtracker metrics not updated properly after execution of a mapreduce job | Major | metrics | Ivan Mitic | Ivan Mitic |
+| [MAPREDUCE-5702](https://issues.apache.org/jira/browse/MAPREDUCE-5702) | TaskLogServlet#printTaskLog has spurious HTML closing tags | Trivial | task | Karthik Kambatla | Robert Kanter |
+| [MAPREDUCE-5698](https://issues.apache.org/jira/browse/MAPREDUCE-5698) | Backport MAPREDUCE-1285 to branch-1 | Major | . | Yongjun Zhang | Yongjun Zhang |
+| [HDFS-5685](https://issues.apache.org/jira/browse/HDFS-5685) | DistCp will fail to copy with -delete switch | Major | hdfs-client | Yongjun Zhang | Yongjun Zhang |
+| [MAPREDUCE-5710](https://issues.apache.org/jira/browse/MAPREDUCE-5710) | Backport MAPREDUCE-1305 to branch-1 | Major | . | Yongjun Zhang | Yongjun Zhang |
+| [HDFS-5944](https://issues.apache.org/jira/browse/HDFS-5944) | LeaseManager:findLeaseWithPrefixPath can't handle path like /a/b/ right and cause SecondaryNameNode failed do checkpoint | Major | namenode | yunjiong zhao | yunjiong zhao |
+| [HDFS-5516](https://issues.apache.org/jira/browse/HDFS-5516) | WebHDFS does not require user name when anonymous http requests are disallowed. | Major | webhdfs | Chris Nauroth | Miodrag Radulovic |
+| [MAPREDUCE-5808](https://issues.apache.org/jira/browse/MAPREDUCE-5808) | Port output replication factor configurable for terasort to Hadoop 1.x | Minor | examples | Chuan Liu | Chuan Liu |
+| [MAPREDUCE-5822](https://issues.apache.org/jira/browse/MAPREDUCE-5822) | FairScheduler does not preempt due to fairshare-starvation when fairshare is 1 | Major | scheduler | Anubhav Dhoot | Anubhav Dhoot |
+| [HDFS-6141](https://issues.apache.org/jira/browse/HDFS-6141) | WebHdfsFileSystem#toUrl does not perform character escaping. | Major | webhdfs | Chris Nauroth | Chris Nauroth |
+| [HADOOP-10562](https://issues.apache.org/jira/browse/HADOOP-10562) | Namenode exits on exception without printing stack trace in AbstractDelegationTokenSecretManager | Critical | . | Suresh Srinivas | Suresh Srinivas |
+| [MAPREDUCE-5877](https://issues.apache.org/jira/browse/MAPREDUCE-5877) | Inconsistency between JT/TT for tasks taking a long time to launch | Critical | jobtracker, tasktracker | Karthik Kambatla | Karthik Kambatla |
+| [MAPREDUCE-5979](https://issues.apache.org/jira/browse/MAPREDUCE-5979) | FairScheduler: zero weight can cause sort failures | Major | scheduler | Anubhav Dhoot | Anubhav Dhoot |
+| [MAPREDUCE-5966](https://issues.apache.org/jira/browse/MAPREDUCE-5966) | MR1 FairScheduler use of custom weight adjuster is not thread safe for comparisons | Major | scheduler | Anubhav Dhoot | Anubhav Dhoot |
+| [MAPREDUCE-5968](https://issues.apache.org/jira/browse/MAPREDUCE-5968) | Work directory is not deleted when downloadCacheObject throws IOException | Major | mrv1 | zhihai xu | zhihai xu |
+| [HDFS-6822](https://issues.apache.org/jira/browse/HDFS-6822) | In branch-1, Namenode and datanode fails to replace "\_HOST" to hostname for hadoop.http.authentication.kerberos.principal | Major | security | Jing Zhao | Jing Zhao |
+| [MAPREDUCE-6012](https://issues.apache.org/jira/browse/MAPREDUCE-6012) | DBInputSplit creates invalid ranges on Oracle | Major | . | Julien Serdaru | Wei Yan |
+| [HADOOP-11035](https://issues.apache.org/jira/browse/HADOOP-11035) | distcp on mr1(branch-1) fails with NPE using a short relative source path. | Major | tools | zhihai xu | zhihai xu |
+| [MAPREDUCE-6009](https://issues.apache.org/jira/browse/MAPREDUCE-6009) | Map-only job with new-api runs wrong OutputCommitter when cleanup scheduled in a reduce slot | Blocker | client, job submission | Gera Shegalov | Gera Shegalov |
+| [MAPREDUCE-6147](https://issues.apache.org/jira/browse/MAPREDUCE-6147) | Support mapreduce.input.fileinputformat.split.maxsize | Minor | mrv1 | zhihai xu | zhihai xu |
+| [MAPREDUCE-6170](https://issues.apache.org/jira/browse/MAPREDUCE-6170) | TestUlimit failure on JDK8 | Major | contrib/streaming | bc Wong | bc Wong |
+| [HDFS-7503](https://issues.apache.org/jira/browse/HDFS-7503) | Namenode restart after large deletions can cause slow processReport (due to logging) | Major | namenode | Arpit Agarwal | Arpit Agarwal |
+| [MAPREDUCE-6196](https://issues.apache.org/jira/browse/MAPREDUCE-6196) | Fix BigDecimal ArithmeticException in PiEstimator | Minor | . | Ray Chiang | Ray Chiang |
+| [MAPREDUCE-6198](https://issues.apache.org/jira/browse/MAPREDUCE-6198) | NPE from JobTracker#resolveAndAddToTopology in MR1 cause initJob and heartbeat failure. | Major | mrv1 | zhihai xu | zhihai xu |
+| [MAPREDUCE-5272](https://issues.apache.org/jira/browse/MAPREDUCE-5272) | A Minor Error in Javadoc of TestMRWithDistributedCache in Branch-1 | Trivial | test | Zhijie Shen | Zhijie Shen |
+| [MAPREDUCE-5556](https://issues.apache.org/jira/browse/MAPREDUCE-5556) | mapred docs have incorrect classpath | Trivial | . | Allen Wittenauer | Harsh J |
+| [MAPREDUCE-5660](https://issues.apache.org/jira/browse/MAPREDUCE-5660) | Log info about possible thrashing (when using memory-based scheduling in Capacity Scheduler) is not printed | Trivial | capacity-sched, mrv1, tasktracker | Adam Kawa | Adam Kawa |
+| [MAPREDUCE-5183](https://issues.apache.org/jira/browse/MAPREDUCE-5183) | In, TaskTracker#reportProgress logging of 0.0-1.0 progress is followed by percent sign | Minor | mrv1, tasktracker | Sandy Ryza | Niranjan Singh |
+| [HDFS-6649](https://issues.apache.org/jira/browse/HDFS-6649) | Documentation for setrep is wrong | Trivial | documentation | Alexander Fahlke | Akira Ajisaka |
+| [MAPREDUCE-6076](https://issues.apache.org/jira/browse/MAPREDUCE-6076) | Zero map split input length combine with none zero map split input length may cause MR1 job hung sometimes. | Major | mrv1 | zhihai xu | zhihai xu |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-9624](https://issues.apache.org/jira/browse/HADOOP-9624) | TestFSMainOperationsLocalFileSystem failed when the Hadoop test root path has "X" in its name | Minor | test | Xi Fang | Xi Fang |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [MAPREDUCE-4049](https://issues.apache.org/jira/browse/MAPREDUCE-4049) | plugin for generic shuffle service | Major | performance, task, tasktracker | Avner BenHanoch | Avner BenHanoch |
+| [HADOOP-9573](https://issues.apache.org/jira/browse/HADOOP-9573) | Fix test-patch script to work with the enhanced PreCommit-Admin script. | Major | build | Giridharan Kesavan | Giridharan Kesavan |
+
+
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