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Posted to common-commits@hadoop.apache.org by su...@apache.org on 2018/09/12 10:24:19 UTC
[12/90] [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/2.0.2-alpha/CHANGES.2.0.2-alpha.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.
-# See the License for the specific language governing permissions and
-# limitations under the License.
--->
-# Apache Hadoop Changelog
-
-## Release 2.0.2-alpha - 2012-10-09
-
-### INCOMPATIBLE CHANGES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [MAPREDUCE-4072](https://issues.apache.org/jira/browse/MAPREDUCE-4072) | User set java.library.path seems to overwrite default creating problems native lib loading | Major | mrv2 | Anupam Seth | Anupam Seth |
-| [MAPREDUCE-3812](https://issues.apache.org/jira/browse/MAPREDUCE-3812) | Lower default allocation sizes, fix allocation configurations and document them | Major | mrv2, performance | Vinod Kumar Vavilapalli | Harsh J |
-| [HDFS-3318](https://issues.apache.org/jira/browse/HDFS-3318) | Hftp hangs on transfers \>2GB | Blocker | hdfs-client | Daryn Sharp | Daryn Sharp |
-| [HADOOP-8388](https://issues.apache.org/jira/browse/HADOOP-8388) | Remove unused BlockLocation serialization | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-8368](https://issues.apache.org/jira/browse/HADOOP-8368) | Use CMake rather than autotools to build native code | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3522](https://issues.apache.org/jira/browse/HDFS-3522) | If NN is in safemode, it should throw SafeModeException when getBlockLocations has zero locations | Major | namenode | Brandon Li | Brandon Li |
-| [HADOOP-8458](https://issues.apache.org/jira/browse/HADOOP-8458) | Add management hook to AuthenticationHandler to enable delegation token operations support | Major | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-4311](https://issues.apache.org/jira/browse/MAPREDUCE-4311) | Capacity scheduler.xml does not accept decimal values for capacity and maximum-capacity settings | Major | capacity-sched, mrv2 | Thomas Graves | Karthik Kambatla |
-| [HDFS-3446](https://issues.apache.org/jira/browse/HDFS-3446) | HostsFileReader silently ignores bad includes/excludes | Major | namenode | Matthew Jacobs | Matthew Jacobs |
-| [HDFS-3675](https://issues.apache.org/jira/browse/HDFS-3675) | libhdfs: follow documented return codes | Minor | libhdfs | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-2617](https://issues.apache.org/jira/browse/HDFS-2617) | Replaced Kerberized SSL for image transfer and fsck with SPNEGO-based solution | Major | security | Jakob Homan | Jakob Homan |
-| [HADOOP-8551](https://issues.apache.org/jira/browse/HADOOP-8551) | fs -mkdir creates parent directories without the -p option | Major | fs | Robert Joseph Evans | John George |
-| [HADOOP-8689](https://issues.apache.org/jira/browse/HADOOP-8689) | Make trash a server side configuration option | Major | fs | Eli Collins | Eli Collins |
-| [HADOOP-8710](https://issues.apache.org/jira/browse/HADOOP-8710) | Remove ability for users to easily run the trash emptier | Major | fs | Eli Collins | Eli Collins |
-| [HDFS-2727](https://issues.apache.org/jira/browse/HDFS-2727) | libhdfs should get the default block size from the server | Minor | libhdfs | Sho Shimauchi | Colin P. McCabe |
-| [HDFS-2686](https://issues.apache.org/jira/browse/HDFS-2686) | Remove DistributedUpgrade related code | Major | datanode, namenode | Todd Lipcon | Suresh Srinivas |
-| [MAPREDUCE-4629](https://issues.apache.org/jira/browse/MAPREDUCE-4629) | Remove JobHistory.DEBUG\_MODE | Major | . | Karthik Kambatla | Karthik Kambatla |
-| [HADOOP-8794](https://issues.apache.org/jira/browse/HADOOP-8794) | Modifiy bin/hadoop to point to HADOOP\_YARN\_HOME | Major | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
-
-
-### NEW FEATURES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HDFS-2978](https://issues.apache.org/jira/browse/HDFS-2978) | The NameNode should expose name dir statuses via JMX | Major | namenode | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-8135](https://issues.apache.org/jira/browse/HADOOP-8135) | Add ByteBufferReadable interface to FSDataInputStream | Major | fs | Henry Robinson | Henry Robinson |
-| [MAPREDUCE-3773](https://issues.apache.org/jira/browse/MAPREDUCE-3773) | Add queue metrics with buckets for job run times | Major | jobtracker | Owen O'Malley | Owen O'Malley |
-| [HDFS-744](https://issues.apache.org/jira/browse/HDFS-744) | Support hsync in HDFS | Major | datanode, hdfs-client | Hairong Kuang | Lars Hofhansl |
-| [HDFS-3042](https://issues.apache.org/jira/browse/HDFS-3042) | Automatic failover support for NN HA | Major | auto-failover, ha | Todd Lipcon | Todd Lipcon |
-| [HADOOP-8465](https://issues.apache.org/jira/browse/HADOOP-8465) | hadoop-auth should support ephemeral authentication | Major | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-3535](https://issues.apache.org/jira/browse/HDFS-3535) | Audit logging should log denied accesses | Major | namenode | Andy Isaacson | Andy Isaacson |
-| [MAPREDUCE-4355](https://issues.apache.org/jira/browse/MAPREDUCE-4355) | Add RunningJob.getJobStatus() | Major | mrv1, mrv2 | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-3451](https://issues.apache.org/jira/browse/MAPREDUCE-3451) | Port Fair Scheduler to MR2 | Major | mrv2, scheduler | NO NAME | NO NAME |
-| [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-4417](https://issues.apache.org/jira/browse/MAPREDUCE-4417) | add support for encrypted shuffle | Major | mrv2, security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-3113](https://issues.apache.org/jira/browse/HDFS-3113) | httpfs does not support delegation tokens | Major | . | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-8644](https://issues.apache.org/jira/browse/HADOOP-8644) | AuthenticatedURL should be able to use SSLFactory | Critical | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-3637](https://issues.apache.org/jira/browse/HDFS-3637) | Add support for encrypting the DataTransferProtocol | Major | datanode, hdfs-client, security | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-8581](https://issues.apache.org/jira/browse/HADOOP-8581) | add support for HTTPS to the web UIs | Major | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-3150](https://issues.apache.org/jira/browse/HDFS-3150) | Add option for clients to contact DNs via hostname | Major | datanode, hdfs-client | Eli Collins | Eli Collins |
-| [HDFS-2793](https://issues.apache.org/jira/browse/HDFS-2793) | Add an admin command to trigger an edit log roll | Major | namenode | Aaron T. Myers | Todd Lipcon |
-
-
-### IMPROVEMENTS:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HDFS-2834](https://issues.apache.org/jira/browse/HDFS-2834) | ByteBuffer-based read API for DFSInputStream | Major | hdfs-client, performance | Henry Robinson | Henry Robinson |
-| [HADOOP-8242](https://issues.apache.org/jira/browse/HADOOP-8242) | AbstractDelegationTokenIdentifier: add getter methods for owner and realuser | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-8244](https://issues.apache.org/jira/browse/HADOOP-8244) | Improve comments on ByteBufferReadable.read | Major | . | Henry Robinson | Henry Robinson |
-| [HDFS-3110](https://issues.apache.org/jira/browse/HDFS-3110) | libhdfs implementation of direct read API | Major | libhdfs, performance | Henry Robinson | Henry Robinson |
-| [MAPREDUCE-4059](https://issues.apache.org/jira/browse/MAPREDUCE-4059) | The history server should have a separate pluggable storage/query interface | Major | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-4017](https://issues.apache.org/jira/browse/MAPREDUCE-4017) | Add jobname to jobsummary log | Trivial | jobhistoryserver, jobtracker | Koji Noguchi | Thomas Graves |
-| [HADOOP-7510](https://issues.apache.org/jira/browse/HADOOP-7510) | Tokens should use original hostname provided instead of ip | Major | security | Daryn Sharp | Daryn Sharp |
-| [HADOOP-8286](https://issues.apache.org/jira/browse/HADOOP-8286) | Simplify getting a socket address from conf | Major | conf | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4151](https://issues.apache.org/jira/browse/MAPREDUCE-4151) | RM scheduler web page should filter apps to those that are relevant to scheduling | Major | mrv2, webapps | Jason Lowe | Jason Lowe |
-| [HDFS-2652](https://issues.apache.org/jira/browse/HDFS-2652) | Port token service changes from 205 | Major | . | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4190](https://issues.apache.org/jira/browse/MAPREDUCE-4190) | Improve web UI for task attempts userlog link | Major | mrv2, webapps | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4079](https://issues.apache.org/jira/browse/MAPREDUCE-4079) | Allow MR AppMaster to limit ephemeral port range. | Blocker | mr-am, mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [HADOOP-8227](https://issues.apache.org/jira/browse/HADOOP-8227) | Allow RPC to limit ephemeral port range. | Blocker | . | Robert Joseph Evans | Robert Joseph Evans |
-| [HADOOP-8335](https://issues.apache.org/jira/browse/HADOOP-8335) | Improve Configuration's address handling | Major | util | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4210](https://issues.apache.org/jira/browse/MAPREDUCE-4210) | Expose listener address for WebApp | Major | webapps | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4205](https://issues.apache.org/jira/browse/MAPREDUCE-4205) | retrofit all JVM shutdown hooks to use ShutdownHookManager | Major | mrv2 | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-3850](https://issues.apache.org/jira/browse/MAPREDUCE-3850) | Avoid redundant calls for tokens in TokenCache | Major | security | Daryn Sharp | Daryn Sharp |
-| [HADOOP-8373](https://issues.apache.org/jira/browse/HADOOP-8373) | Port RPC.getServerAddress to 0.23 | Major | ipc | Daryn Sharp | Daryn Sharp |
-| [HDFS-3390](https://issues.apache.org/jira/browse/HDFS-3390) | DFSAdmin should print full stack traces of errors when DEBUG logging is enabled | Minor | hdfs-client | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-3341](https://issues.apache.org/jira/browse/HDFS-3341) | Change minimum RPC versions to 2.0.0-SNAPSHOT instead of 2.0.0 | Minor | . | Todd Lipcon | Todd Lipcon |
-| [HADOOP-8340](https://issues.apache.org/jira/browse/HADOOP-8340) | SNAPSHOT build versions should compare as less than their eventual final release | Minor | util | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-3659](https://issues.apache.org/jira/browse/MAPREDUCE-3659) | Host-based token support | Major | security | Daryn Sharp | Daryn Sharp |
-| [HDFS-3230](https://issues.apache.org/jira/browse/HDFS-3230) | Cleanup DatanodeID creation in the tests | Minor | test | Eli Collins | Eli Collins |
-| [HDFS-3401](https://issues.apache.org/jira/browse/HDFS-3401) | Cleanup DatanodeDescriptor creation in the tests | Major | datanode, test | Eli Collins | Eli Collins |
-| [HDFS-3400](https://issues.apache.org/jira/browse/HDFS-3400) | DNs should be able start with jsvc even if security is disabled | Major | datanode, scripts | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-8224](https://issues.apache.org/jira/browse/HADOOP-8224) | Don't hardcode hdfs.audit.logger in the scripts | Major | conf | Eli Collins | Tomohiko Kinebuchi |
-| [HDFS-3134](https://issues.apache.org/jira/browse/HDFS-3134) | Harden edit log loader against malformed or malicious input | Major | namenode | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-8361](https://issues.apache.org/jira/browse/HADOOP-8361) | Avoid out-of-memory problems when deserializing strings | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3404](https://issues.apache.org/jira/browse/HDFS-3404) | Make putImage in GetImageServlet infer remote address to fetch from request | Major | . | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-3335](https://issues.apache.org/jira/browse/HDFS-3335) | check for edit log corruption at the end of the log | Major | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3416](https://issues.apache.org/jira/browse/HDFS-3416) | Cleanup DatanodeID and DatanodeRegistration constructors used by testing | Minor | datanode | Eli Collins | Eli Collins |
-| [HDFS-3417](https://issues.apache.org/jira/browse/HDFS-3417) | Rename BalancerDatanode#getName to getDisplayName to be consistent with Datanode | Minor | datanode | Eli Collins | Eli Collins |
-| [HDFS-3419](https://issues.apache.org/jira/browse/HDFS-3419) | Cleanup LocatedBlock | Minor | . | Eli Collins | Eli Collins |
-| [HADOOP-8398](https://issues.apache.org/jira/browse/HADOOP-8398) | Cleanup BlockLocation | Minor | . | Eli Collins | Eli Collins |
-| [HDFS-3438](https://issues.apache.org/jira/browse/HDFS-3438) | BootstrapStandby should not require a rollEdits on active node | Major | ha | Todd Lipcon | Todd Lipcon |
-| [HDFS-2885](https://issues.apache.org/jira/browse/HDFS-2885) | Remove "federation" from the nameservice config options | Major | namenode | Eli Collins | Tsz Wo Nicholas Sze |
-| [HDFS-3394](https://issues.apache.org/jira/browse/HDFS-3394) | Do not use generic in INodeFile.getLastBlock() | Minor | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-4274](https://issues.apache.org/jira/browse/MAPREDUCE-4274) | MapOutputBuffer should use native byte order for kvmeta | Minor | performance, task | Todd Lipcon | Todd Lipcon |
-| [HDFS-3454](https://issues.apache.org/jira/browse/HDFS-3454) | Balancer unconditionally logs InterruptedException at INFO level on shutdown if security is enabled | Minor | balancer & mover | Eli Collins | Eli Collins |
-| [HADOOP-8367](https://issues.apache.org/jira/browse/HADOOP-8367) | Improve documentation of declaringClassProtocolName in rpc headers | Major | . | Sanjay Radia | Sanjay Radia |
-| [HDFS-1013](https://issues.apache.org/jira/browse/HDFS-1013) | Miscellaneous improvements to HTML markup for web UIs | Minor | . | Todd Lipcon | Eugene Koontz |
-| [HADOOP-8323](https://issues.apache.org/jira/browse/HADOOP-8323) | Revert HADOOP-7940 and improve javadocs and test for Text.clear() | Critical | io | Harsh J | Harsh J |
-| [HDFS-2391](https://issues.apache.org/jira/browse/HDFS-2391) | Newly set BalancerBandwidth value is not displayed anywhere | Major | balancer & mover | Rajit Saha | Harsh J |
-| [HADOOP-8358](https://issues.apache.org/jira/browse/HADOOP-8358) | Config-related WARN for dfs.web.ugi can be avoided. | Trivial | conf | Harsh J | Harsh J |
-| [MAPREDUCE-4146](https://issues.apache.org/jira/browse/MAPREDUCE-4146) | Support limits on task status string length and number of block locations in branch-2 | Major | . | Tom White | Ahmed Radwan |
-| [MAPREDUCE-4301](https://issues.apache.org/jira/browse/MAPREDUCE-4301) | Dedupe some strings in MRAM for memory savings | Major | applicationmaster | Robert Joseph Evans | Robert Joseph Evans |
-| [HDFS-3040](https://issues.apache.org/jira/browse/HDFS-3040) | TestMulitipleNNDataBlockScanner is misspelled | Trivial | test | Aaron T. Myers | madhukara phatak |
-| [MAPREDUCE-3842](https://issues.apache.org/jira/browse/MAPREDUCE-3842) | stop webpages from automatic refreshing | Critical | mrv2, webapps | Alejandro Abdelnur | Thomas Graves |
-| [HDFS-3514](https://issues.apache.org/jira/browse/HDFS-3514) | Add missing TestParallelLocalRead | Major | test | Henry Robinson | Henry Robinson |
-| [MAPREDUCE-3871](https://issues.apache.org/jira/browse/MAPREDUCE-3871) | Allow symlinking in LocalJobRunner DistributedCache | Major | distributed-cache | Tom White | Tom White |
-| [MAPREDUCE-3921](https://issues.apache.org/jira/browse/MAPREDUCE-3921) | MR AM should act on the nodes liveliness information when nodes go up/down/unhealthy | Major | mr-am, mrv2 | Vinod Kumar Vavilapalli | Bikas Saha |
-| [HDFS-3520](https://issues.apache.org/jira/browse/HDFS-3520) | Add transfer rate logging to TransferFsImage | Minor | namenode | Eli Collins | Eli Collins |
-| [HDFS-3504](https://issues.apache.org/jira/browse/HDFS-3504) | Configurable retry in DFSClient | Major | hdfs-client | Siddharth Seth | Tsz Wo Nicholas Sze |
-| [HDFS-3372](https://issues.apache.org/jira/browse/HDFS-3372) | offlineEditsViewer should be able to read a binary edits file with recovery mode | Minor | tools | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-8524](https://issues.apache.org/jira/browse/HADOOP-8524) | Allow users to get source of a Configuration parameter | Trivial | conf | Harsh J | Harsh J |
-| [HDFS-3516](https://issues.apache.org/jira/browse/HDFS-3516) | Check content-type in WebHdfsFileSystem | Major | hdfs-client, webhdfs | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-3481](https://issues.apache.org/jira/browse/HDFS-3481) | Refactor HttpFS handling of JAX-RS query string parameters | Major | . | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-3002](https://issues.apache.org/jira/browse/HDFS-3002) | TestNameNodeMetrics need not wait for metrics update with new metrics framework | Trivial | test | Suresh Srinivas | Suresh Srinivas |
-| [HADOOP-8535](https://issues.apache.org/jira/browse/HADOOP-8535) | Cut hadoop build times in half (upgrade maven-compiler-plugin to 2.5.1) | Major | build | Jonathan Eagles | Jonathan Eagles |
-| [HDFS-3475](https://issues.apache.org/jira/browse/HDFS-3475) | Make the replication and invalidation rates configurable | Trivial | . | Harsh J | Harsh J |
-| [HADOOP-6802](https://issues.apache.org/jira/browse/HADOOP-6802) | Remove FS\_CLIENT\_BUFFER\_DIR\_KEY = "fs.client.buffer.dir" from CommonConfigurationKeys.java (not used, deprecated) | Major | conf, fs | Erik Steffl | Sho Shimauchi |
-| [HADOOP-3450](https://issues.apache.org/jira/browse/HADOOP-3450) | Add tests to Local Directory Allocator for asserting their URI-returning capability | Minor | fs | Ari Rabkin | Sho Shimauchi |
-| [HADOOP-8533](https://issues.apache.org/jira/browse/HADOOP-8533) | Remove Parallel Call in IPC | Major | ipc | Suresh Srinivas | Brandon Li |
-| [HADOOP-8463](https://issues.apache.org/jira/browse/HADOOP-8463) | hadoop.security.auth\_to\_local needs a key definition and doc | Major | security | Eli Collins | madhukara phatak |
-| [HDFS-3343](https://issues.apache.org/jira/browse/HDFS-3343) | Improve metrics for DN read latency | Major | datanode | Todd Lipcon | Andrew Wang |
-| [HDFS-3170](https://issues.apache.org/jira/browse/HDFS-3170) | Add more useful metrics for write latency | Major | datanode | Todd Lipcon | Matthew Jacobs |
-| [HDFS-3604](https://issues.apache.org/jira/browse/HDFS-3604) | Add dfs.webhdfs.enabled to hdfs-default.xml | Minor | . | Eli Collins | Eli Collins |
-| [HDFS-2988](https://issues.apache.org/jira/browse/HDFS-2988) | Improve error message when storage directory lock fails | Minor | namenode | Todd Lipcon | Miomir Boljanovic |
-| [MAPREDUCE-3907](https://issues.apache.org/jira/browse/MAPREDUCE-3907) | Document entries mapred-default.xml for the jobhistory server. | Minor | documentation | Eugene Koontz | Eugene Koontz |
-| [MAPREDUCE-3906](https://issues.apache.org/jira/browse/MAPREDUCE-3906) | Fix inconsistency in documentation regarding mapreduce.jobhistory.principal | Trivial | documentation | Eugene Koontz | Eugene Koontz |
-| [HADOOP-8525](https://issues.apache.org/jira/browse/HADOOP-8525) | Provide Improved Traceability for Configuration | Trivial | . | Robert Joseph Evans | Robert Joseph Evans |
-| [HDFS-3613](https://issues.apache.org/jira/browse/HDFS-3613) | GSet prints some INFO level values, which aren't really very useful to all | Trivial | namenode | Harsh J | Andrew Wang |
-| [HDFS-3582](https://issues.apache.org/jira/browse/HDFS-3582) | Hook daemon process exit for testing | Minor | test | Eli Collins | Eli Collins |
-| [HADOOP-8541](https://issues.apache.org/jira/browse/HADOOP-8541) | Better high-percentile latency metrics | Major | metrics | Andrew Wang | Andrew Wang |
-| [HDFS-3641](https://issues.apache.org/jira/browse/HDFS-3641) | Move server Util time methods to common and use now instead of System#currentTimeMillis | Minor | . | Eli Collins | Eli Collins |
-| [HDFS-3612](https://issues.apache.org/jira/browse/HDFS-3612) | Single namenode image directory config warning can be improved | Trivial | namenode | Harsh J | Andy Isaacson |
-| [HDFS-3568](https://issues.apache.org/jira/browse/HDFS-3568) | fuse\_dfs: add support for security | Major | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-799](https://issues.apache.org/jira/browse/HDFS-799) | libhdfs must call DetachCurrentThread when a thread is destroyed | Major | . | Christian Kunz | Colin P. McCabe |
-| [HDFS-3610](https://issues.apache.org/jira/browse/HDFS-3610) | fuse\_dfs: Provide a way to use the default (configured) NN URI | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-8362](https://issues.apache.org/jira/browse/HADOOP-8362) | Improve exception message when Configuration.set() is called with a null key or value | Trivial | conf | Todd Lipcon | madhukara phatak |
-| [HDFS-3663](https://issues.apache.org/jira/browse/HDFS-3663) | MiniDFSCluster should capture the code path that led to the first ExitException | Major | test | Eli Collins | Eli Collins |
-| [YARN-420](https://issues.apache.org/jira/browse/YARN-420) | Enable the RM to work with AM's that are not managed by it | Major | applications/unmanaged-AM-launcher | Bikas Saha | Bikas Saha |
-| [HDFS-3659](https://issues.apache.org/jira/browse/HDFS-3659) | Add missing @Override to methods across the hadoop-hdfs project | Minor | documentation | Brandon Li | Brandon Li |
-| [HADOOP-8531](https://issues.apache.org/jira/browse/HADOOP-8531) | SequenceFile Writer can throw out a better error if a serializer or deserializer isn't available | Trivial | io | Harsh J | madhukara phatak |
-| [HDFS-3537](https://issues.apache.org/jira/browse/HDFS-3537) | Move libhdfs and fuse-dfs source to native subdirectories | Minor | fuse-dfs, libhdfs | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3666](https://issues.apache.org/jira/browse/HDFS-3666) | Plumb more exception messages to terminate | Minor | . | Eli Collins | Eli Collins |
-| [MAPREDUCE-4283](https://issues.apache.org/jira/browse/MAPREDUCE-4283) | Display tail of aggregated logs by default | Major | jobhistoryserver, mrv2 | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4422](https://issues.apache.org/jira/browse/MAPREDUCE-4422) | YARN\_APPLICATION\_CLASSPATH needs a documented default value in YarnConfiguration | Major | nodemanager | Arun C Murthy | Ahmed Radwan |
-| [MAPREDUCE-4157](https://issues.apache.org/jira/browse/MAPREDUCE-4157) | ResourceManager should not kill apps that are well behaved | Major | mrv2 | Jason Lowe | Jason Lowe |
-| [HDFS-3583](https://issues.apache.org/jira/browse/HDFS-3583) | Convert remaining tests to Junit4 | Major | test | Eli Collins | Andrew Wang |
-| [HADOOP-8609](https://issues.apache.org/jira/browse/HADOOP-8609) | IPC server logs a useless message when shutting down socket | Major | . | Todd Lipcon | Jon Zuanich |
-| [HDFS-3711](https://issues.apache.org/jira/browse/HDFS-3711) | Manually convert remaining tests to JUnit4 | Major | . | Andrew Wang | Andrew Wang |
-| [YARN-419](https://issues.apache.org/jira/browse/YARN-419) | Add client side for Unmanaged-AMs | Major | applications/unmanaged-AM-launcher | Bikas Saha | Bikas Saha |
-| [HADOOP-8623](https://issues.apache.org/jira/browse/HADOOP-8623) | hadoop jar command should respect HADOOP\_OPTS | Minor | scripts | Steven Willis | Steven Willis |
-| [HDFS-3650](https://issues.apache.org/jira/browse/HDFS-3650) | Use MutableQuantiles to provide latency histograms for various operations | Major | . | Andrew Wang | Andrew Wang |
-| [HADOOP-8635](https://issues.apache.org/jira/browse/HADOOP-8635) | Cannot cancel paths registered deleteOnExit | Critical | fs | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4375](https://issues.apache.org/jira/browse/MAPREDUCE-4375) | Show Configuration Tracability in MR UI | Major | applicationmaster | Robert Joseph Evans | Robert Joseph Evans |
-| [HADOOP-8620](https://issues.apache.org/jira/browse/HADOOP-8620) | Add -Drequire.fuse and -Drequire.snappy | Minor | build | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3513](https://issues.apache.org/jira/browse/HDFS-3513) | HttpFS should cache filesystems | Major | . | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-3697](https://issues.apache.org/jira/browse/HDFS-3697) | Enable fadvise readahead by default | Minor | datanode, performance | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-3289](https://issues.apache.org/jira/browse/MAPREDUCE-3289) | Make use of fadvise in the NM's shuffle handler | Major | mrv2, nodemanager, performance | Todd Lipcon | Todd Lipcon |
-| [HDFS-3276](https://issues.apache.org/jira/browse/HDFS-3276) | initializeSharedEdits should have a -nonInteractive flag | Minor | ha, namenode | Vinithra Varadharajan | Todd Lipcon |
-| [HADOOP-8687](https://issues.apache.org/jira/browse/HADOOP-8687) | Upgrade log4j to 1.2.17 | Minor | . | Eli Collins | Eli Collins |
-| [HDFS-3765](https://issues.apache.org/jira/browse/HDFS-3765) | Namenode INITIALIZESHAREDEDITS should be able to initialize all shared storages | Major | ha | Vinayakumar B | Vinayakumar B |
-| [HDFS-3723](https://issues.apache.org/jira/browse/HDFS-3723) | All commands should support meaningful --help | Major | scripts, tools | E. Sammer | Jing Zhao |
-| [HDFS-3802](https://issues.apache.org/jira/browse/HDFS-3802) | StartupOption.name in HdfsServerConstants should be final | Trivial | . | Jing Zhao | Jing Zhao |
-| [HDFS-3796](https://issues.apache.org/jira/browse/HDFS-3796) | Speed up edit log tests by avoiding fsync() | Minor | test | Todd Lipcon | Todd Lipcon |
-| [HADOOP-8278](https://issues.apache.org/jira/browse/HADOOP-8278) | Make sure components declare correct set of dependencies | Major | build | Tom White | Tom White |
-| [MAPREDUCE-4511](https://issues.apache.org/jira/browse/MAPREDUCE-4511) | Add IFile readahead | Major | mrv1, mrv2, performance | Ahmed Radwan | Ahmed Radwan |
-| [HADOOP-8700](https://issues.apache.org/jira/browse/HADOOP-8700) | Move the checksum type constants to an enum | Minor | util | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-2421](https://issues.apache.org/jira/browse/HDFS-2421) | Improve the concurrency of SerialNumberMap in NameNode | Major | namenode | Hairong Kuang | Jing Zhao |
-| [HDFS-3672](https://issues.apache.org/jira/browse/HDFS-3672) | Expose disk-location information for blocks to enable better scheduling | Major | . | Andrew Wang | Andrew Wang |
-| [HADOOP-8240](https://issues.apache.org/jira/browse/HADOOP-8240) | Allow users to specify a checksum type on create() | Major | fs | Kihwal Lee | Kihwal Lee |
-| [HADOOP-8239](https://issues.apache.org/jira/browse/HADOOP-8239) | Extend MD5MD5CRC32FileChecksum to show the actual checksum type being used | Major | fs | Kihwal Lee | Kihwal Lee |
-| [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 |
-| [HADOOP-8075](https://issues.apache.org/jira/browse/HADOOP-8075) | Lower native-hadoop library log from info to debug | Major | native | Eli Collins | Hızır Sefa İrken |
-| [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 |
-| [HDFS-3844](https://issues.apache.org/jira/browse/HDFS-3844) | Add @Override where necessary and remove unnecessary {@inheritdoc} and imports | Trivial | . | Jing Zhao | Jing Zhao |
-| [HADOOP-8748](https://issues.apache.org/jira/browse/HADOOP-8748) | Move dfsclient retry to a util class | Minor | io | Arun C Murthy | Arun C Murthy |
-| [MAPREDUCE-4614](https://issues.apache.org/jira/browse/MAPREDUCE-4614) | Simplify debugging a job's tokens | Major | client, task | Daryn Sharp | Daryn Sharp |
-| [HDFS-3871](https://issues.apache.org/jira/browse/HDFS-3871) | Change NameNodeProxies to use HADOOP-8748 | Minor | hdfs-client | Arun C Murthy | Arun C Murthy |
-| [MAPREDUCE-2786](https://issues.apache.org/jira/browse/MAPREDUCE-2786) | TestDFSIO should also test compression reading/writing from command-line. | Minor | benchmarks | Plamen Jeliazkov | Plamen Jeliazkov |
-| [YARN-10](https://issues.apache.org/jira/browse/YARN-10) | dist-shell shouldn't have a (test) dependency on hadoop-mapreduce-client-core | Major | . | Arun C Murthy | Hitesh Shah |
-| [HDFS-3866](https://issues.apache.org/jira/browse/HDFS-3866) | HttpFS POM should have property where to download tomcat from | Minor | build | Ryan Hennig | Plamen Jeliazkov |
-| [HDFS-3887](https://issues.apache.org/jira/browse/HDFS-3887) | Remove redundant chooseTarget methods in BlockPlacementPolicy.java | Trivial | namenode | Jing Zhao | Jing Zhao |
-| [HADOOP-8624](https://issues.apache.org/jira/browse/HADOOP-8624) | ProtobufRpcEngine should log all RPCs if TRACE logging is enabled | Minor | ipc | Todd Lipcon | Todd Lipcon |
-| [HADOOP-8754](https://issues.apache.org/jira/browse/HADOOP-8754) | Deprecate all the RPC.getServer() variants | Minor | ipc | Brandon Li | Brandon Li |
-| [MAPREDUCE-4638](https://issues.apache.org/jira/browse/MAPREDUCE-4638) | MR AppMaster shouldn't rely on YARN\_APPLICATION\_CLASSPATH providing MR jars | Major | . | Arun C Murthy | Arun C Murthy |
-| [YARN-80](https://issues.apache.org/jira/browse/YARN-80) | Support delay scheduling for node locality in MR2's capacity scheduler | Major | capacityscheduler | Todd Lipcon | Arun C Murthy |
-| [YARN-9](https://issues.apache.org/jira/browse/YARN-9) | Rename YARN\_HOME to HADOOP\_YARN\_HOME | Major | . | Arun C Murthy | Vinod Kumar Vavilapalli |
-| [YARN-137](https://issues.apache.org/jira/browse/YARN-137) | Change the default scheduler to the CapacityScheduler | Major | scheduler | Siddharth Seth | Siddharth Seth |
-| [HDFS-3607](https://issues.apache.org/jira/browse/HDFS-3607) | log a message when fuse\_dfs is not built | Minor | fuse-dfs | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3227](https://issues.apache.org/jira/browse/HDFS-3227) | Mavenise libhdfs tests | Major | libhdfs | Henry Robinson | |
-| [HDFS-3907](https://issues.apache.org/jira/browse/HDFS-3907) | Allow multiple users for local block readers | Major | datanode | Eli Collins | Eli Collins |
-
-
-### BUG FIXES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-7703](https://issues.apache.org/jira/browse/HADOOP-7703) | WebAppContext should also be stopped and cleared | Major | . | Devaraj K | Devaraj K |
-| [HDFS-2285](https://issues.apache.org/jira/browse/HDFS-2285) | BackupNode should reject requests trying to modify namespace | Major | namenode | Konstantin Shvachko | Konstantin Shvachko |
-| [HDFS-2759](https://issues.apache.org/jira/browse/HDFS-2759) | Pre-allocate HDFS edit log files after writing version number | Major | ha, namenode | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-8104](https://issues.apache.org/jira/browse/HADOOP-8104) | Inconsistent Jackson versions | Major | . | Colin P. McCabe | Alejandro Abdelnur |
-| [MAPREDUCE-3728](https://issues.apache.org/jira/browse/MAPREDUCE-3728) | ShuffleHandler can't access results when configured in a secure mode | Critical | mrv2, nodemanager | Roman Shaposhnik | Ding Yuan |
-| [HDFS-3037](https://issues.apache.org/jira/browse/HDFS-3037) | TestMulitipleNNDataBlockScanner#testBlockScannerAfterRestart is racy | Minor | test | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-2966](https://issues.apache.org/jira/browse/HDFS-2966) | TestNameNodeMetrics tests can fail under load | Minor | test | Steve Loughran | Steve Loughran |
-| [MAPREDUCE-3348](https://issues.apache.org/jira/browse/MAPREDUCE-3348) | mapred job -status fails to give info even if the job is present in History | Major | mrv2 | Devaraj K | Devaraj K |
-| [HADOOP-8167](https://issues.apache.org/jira/browse/HADOOP-8167) | Configuration deprecation logic breaks backwards compatibility | Blocker | conf | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-3067](https://issues.apache.org/jira/browse/HDFS-3067) | NPE in DFSInputStream.readBuffer if read is repeated on corrupted block | Major | hdfs-client | Henry Robinson | Henry Robinson |
-| [MAPREDUCE-4010](https://issues.apache.org/jira/browse/MAPREDUCE-4010) | TestWritableJobConf fails on trunk | Critical | mrv2 | Jason Lowe | Alejandro Abdelnur |
-| [HADOOP-8197](https://issues.apache.org/jira/browse/HADOOP-8197) | Configuration logs WARNs on every use of a deprecated key | Critical | conf | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-3992](https://issues.apache.org/jira/browse/MAPREDUCE-3992) | Reduce fetcher doesn't verify HTTP status code of response | Major | mrv1 | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-4082](https://issues.apache.org/jira/browse/MAPREDUCE-4082) | hadoop-mapreduce-client-app's mrapp-generated-classpath file should not be in the module JAR | Critical | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-4091](https://issues.apache.org/jira/browse/MAPREDUCE-4091) | tools testcases failing because of MAPREDUCE-4082 | Critical | build, test | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-4092](https://issues.apache.org/jira/browse/MAPREDUCE-4092) | commitJob Exception does not fail job (regression in 0.23 vs 0.20) | Blocker | mrv2 | Jonathan Eagles | Jonathan Eagles |
-| [MAPREDUCE-4089](https://issues.apache.org/jira/browse/MAPREDUCE-4089) | Hung Tasks never time out. | Blocker | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-4024](https://issues.apache.org/jira/browse/MAPREDUCE-4024) | RM webservices can't query on finalStatus | Major | mrv2 | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4060](https://issues.apache.org/jira/browse/MAPREDUCE-4060) | Multiple SLF4J binding warning | Major | build | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4012](https://issues.apache.org/jira/browse/MAPREDUCE-4012) | Hadoop Job setup error leaves no useful info to users (when LinuxTaskController is used) | Minor | . | Koji Noguchi | Thomas Graves |
-| [MAPREDUCE-4062](https://issues.apache.org/jira/browse/MAPREDUCE-4062) | AM Launcher thread can hang forever | Major | mrv2 | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-3988](https://issues.apache.org/jira/browse/MAPREDUCE-3988) | mapreduce.job.local.dir doesn't point to a single directory on a node. | Major | mrv2 | Vinod Kumar Vavilapalli | Eric Payne |
-| [HDFS-3166](https://issues.apache.org/jira/browse/HDFS-3166) | Hftp connections do not have a timeout | Critical | hdfs-client | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-3999](https://issues.apache.org/jira/browse/MAPREDUCE-3999) | Tracking link gives an error if the AppMaster hasn't started yet | Major | mrv2, webapps | Ravi Prakash | Ravi Prakash |
-| [HDFS-3176](https://issues.apache.org/jira/browse/HDFS-3176) | JsonUtil should not parse the MD5MD5CRC32FileChecksum bytes on its own. | Major | hdfs-client | Kihwal Lee | Kihwal Lee |
-| [MAPREDUCE-4020](https://issues.apache.org/jira/browse/MAPREDUCE-4020) | Web services returns incorrect JSON for deep queue tree | Major | mrv2, webapps | Jason Lowe | Anupam Seth |
-| [MAPREDUCE-3672](https://issues.apache.org/jira/browse/MAPREDUCE-3672) | Killed maps shouldn't be counted towards JobCounter.NUM\_FAILED\_MAPS | Major | mr-am, mrv2 | Vinod Kumar Vavilapalli | Anupam Seth |
-| [MAPREDUCE-3682](https://issues.apache.org/jira/browse/MAPREDUCE-3682) | Tracker URL says AM tasks run on localhost | Major | mrv2 | David Capwell | Ravi Prakash |
-| [MAPREDUCE-3082](https://issues.apache.org/jira/browse/MAPREDUCE-3082) | archive command take wrong path for input file with current directory | Major | harchive | Rajit Saha | John George |
-| [MAPREDUCE-3650](https://issues.apache.org/jira/browse/MAPREDUCE-3650) | testGetTokensForHftpFS() fails | Blocker | mrv2 | Thomas Graves | Ravi Prakash |
-| [HADOOP-8088](https://issues.apache.org/jira/browse/HADOOP-8088) | User-group mapping cache incorrectly does negative caching on transient failures | Major | security | Kihwal Lee | Kihwal Lee |
-| [HADOOP-8179](https://issues.apache.org/jira/browse/HADOOP-8179) | risk of NPE in CopyCommands processArguments() | Minor | fs | Steve Loughran | Daryn Sharp |
-| [MAPREDUCE-4097](https://issues.apache.org/jira/browse/MAPREDUCE-4097) | tools testcases fail because missing mrapp-generated-classpath file in classpath | Major | build | Alejandro Abdelnur | Roman Shaposhnik |
-| [HADOOP-8180](https://issues.apache.org/jira/browse/HADOOP-8180) | Remove hsqldb since its not needed from pom.xml | Major | . | Ravi Prakash | Ravi Prakash |
-| [HADOOP-6963](https://issues.apache.org/jira/browse/HADOOP-6963) | Fix FileUtil.getDU. It should not include the size of the directory or follow symbolic links | Critical | fs | Owen O'Malley | Ravi Prakash |
-| [MAPREDUCE-3621](https://issues.apache.org/jira/browse/MAPREDUCE-3621) | TestDBJob and TestDataDrivenDBInputFormat ant tests fail | Major | mrv2 | Thomas Graves | Ravi Prakash |
-| [MAPREDUCE-4073](https://issues.apache.org/jira/browse/MAPREDUCE-4073) | CS assigns multiple off-switch containers when using multi-level-queues | Critical | mrv2, scheduler | Siddharth Seth | Siddharth Seth |
-| [HDFS-3136](https://issues.apache.org/jira/browse/HDFS-3136) | Multiple SLF4J binding warning | Major | build | Jason Lowe | Jason Lowe |
-| [HADOOP-8014](https://issues.apache.org/jira/browse/HADOOP-8014) | ViewFileSystem does not correctly implement getDefaultBlockSize, getDefaultReplication, getContentSummary | Major | fs | Daryn Sharp | John George |
-| [MAPREDUCE-4117](https://issues.apache.org/jira/browse/MAPREDUCE-4117) | mapred job -status throws NullPointerException | Critical | client, mrv2 | Devaraj K | Devaraj K |
-| [HDFS-3235](https://issues.apache.org/jira/browse/HDFS-3235) | MiniDFSClusterManager doesn't correctly support -format option | Minor | . | Henry Robinson | Henry Robinson |
-| [HDFS-3243](https://issues.apache.org/jira/browse/HDFS-3243) | TestParallelRead timing out on jenkins | Major | hdfs-client, test | Todd Lipcon | Henry Robinson |
-| [MAPREDUCE-4040](https://issues.apache.org/jira/browse/MAPREDUCE-4040) | History links should use hostname rather than IP address. | Minor | jobhistoryserver, mrv2 | Bhallamudi Venkata Siva Kamesh | Bhallamudi Venkata Siva Kamesh |
-| [MAPREDUCE-4099](https://issues.apache.org/jira/browse/MAPREDUCE-4099) | ApplicationMaster may fail to remove staging directory | Critical | mrv2 | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-3932](https://issues.apache.org/jira/browse/MAPREDUCE-3932) | MR tasks failing and crashing the AM when available-resources/headRoom becomes zero | Critical | mr-am, mrv2 | Vinod Kumar Vavilapalli | Robert Joseph Evans |
-| [MAPREDUCE-4140](https://issues.apache.org/jira/browse/MAPREDUCE-4140) | mapreduce classes incorrectly importing "clover.org.apache.\*" classes | Major | client, mrv2 | Patrick Hunt | Patrick Hunt |
-| [HADOOP-8144](https://issues.apache.org/jira/browse/HADOOP-8144) | pseudoSortByDistance in NetworkTopology doesn't work properly if no local node and first node is local rack node | Minor | io | Junping Du | Junping Du |
-| [MAPREDUCE-4050](https://issues.apache.org/jira/browse/MAPREDUCE-4050) | Invalid node link | Major | mrv2 | Bhallamudi Venkata Siva Kamesh | Bhallamudi Venkata Siva Kamesh |
-| [MAPREDUCE-4128](https://issues.apache.org/jira/browse/MAPREDUCE-4128) | AM Recovery expects all attempts of a completed task to also be completed. | Major | mrv2 | Bikas Saha | Bikas Saha |
-| [HADOOP-8005](https://issues.apache.org/jira/browse/HADOOP-8005) | Multiple SLF4J binding message in .out file for all daemons | Major | scripts | Joe Crobak | Jason Lowe |
-| [MAPREDUCE-4144](https://issues.apache.org/jira/browse/MAPREDUCE-4144) | ResourceManager NPE while handling NODE\_UPDATE | Critical | mrv2 | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4156](https://issues.apache.org/jira/browse/MAPREDUCE-4156) | ant build fails compiling JobInProgress | Major | build | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4160](https://issues.apache.org/jira/browse/MAPREDUCE-4160) | some mrv1 ant tests fail with timeout - due to 4156 | Major | test | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4139](https://issues.apache.org/jira/browse/MAPREDUCE-4139) | Potential ResourceManager deadlock when SchedulerEventDispatcher is stopped | Major | mrv2 | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4074](https://issues.apache.org/jira/browse/MAPREDUCE-4074) | Client continuously retries to RM When RM goes down before launching Application Master | Major | . | Devaraj K | xieguiming |
-| [HADOOP-8288](https://issues.apache.org/jira/browse/HADOOP-8288) | Remove references of mapred.child.ulimit etc. since they are not being used any more | Major | . | Ravi Prakash | Ravi Prakash |
-| [MAPREDUCE-4159](https://issues.apache.org/jira/browse/MAPREDUCE-4159) | Job is running in Uber mode after setting "mapreduce.job.ubertask.maxreduces" to zero | Major | mrv2 | Nishan Shetty | Devaraj K |
-| [MAPREDUCE-4165](https://issues.apache.org/jira/browse/MAPREDUCE-4165) | Committing is misspelled as commiting in task logs | Trivial | mrv2 | Jonathan Eagles | Jonathan Eagles |
-| [MAPREDUCE-4129](https://issues.apache.org/jira/browse/MAPREDUCE-4129) | Lots of unneeded counters log messages | Major | mrv2 | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-3947](https://issues.apache.org/jira/browse/MAPREDUCE-3947) | yarn.app.mapreduce.am.resource.mb not documented | Minor | . | Todd Lipcon | Devaraj K |
-| [HDFS-3308](https://issues.apache.org/jira/browse/HDFS-3308) | hftp/webhdfs can't get tokens if authority has no port | Critical | webhdfs | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4133](https://issues.apache.org/jira/browse/MAPREDUCE-4133) | MR over viewfs is broken | Major | . | John George | John George |
-| [HDFS-3312](https://issues.apache.org/jira/browse/HDFS-3312) | Hftp selects wrong token service | Blocker | hdfs-client | Daryn Sharp | Daryn Sharp |
-| [HDFS-3321](https://issues.apache.org/jira/browse/HDFS-3321) | Error message for insufficient data nodes to come out of safemode is wrong. | Major | . | Ravi Prakash | Ravi Prakash |
-| [MAPREDUCE-4194](https://issues.apache.org/jira/browse/MAPREDUCE-4194) | ConcurrentModificationError in DirectoryCollection | Major | mrv2 | Jonathan Eagles | Jonathan Eagles |
-| [MAPREDUCE-4169](https://issues.apache.org/jira/browse/MAPREDUCE-4169) | Container Logs appear in unsorted order | Minor | mrv2 | Jonathan Eagles | Jonathan Eagles |
-| [MAPREDUCE-4189](https://issues.apache.org/jira/browse/MAPREDUCE-4189) | TestContainerManagerSecurity is failing | Critical | mrv2 | Devaraj K | Devaraj K |
-| [HADOOP-8305](https://issues.apache.org/jira/browse/HADOOP-8305) | distcp over viewfs is broken | Major | viewfs | John George | John George |
-| [HDFS-3334](https://issues.apache.org/jira/browse/HDFS-3334) | ByteRangeInputStream leaks streams | Major | hdfs-client | Daryn Sharp | Daryn Sharp |
-| [HDFS-3331](https://issues.apache.org/jira/browse/HDFS-3331) | setBalancerBandwidth do not checkSuperuserPrivilege | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-4209](https://issues.apache.org/jira/browse/MAPREDUCE-4209) | junit dependency in hadoop-mapreduce-client is missing scope test | Major | build | Radim Kolar | |
-| [MAPREDUCE-4206](https://issues.apache.org/jira/browse/MAPREDUCE-4206) | Sorting by Last Health-Update on the RM nodes page sorts does not work correctly | Minor | mrv2 | Jonathan Eagles | Jonathan Eagles |
-| [HADOOP-8334](https://issues.apache.org/jira/browse/HADOOP-8334) | HttpServer sometimes returns incorrect port | Major | . | Daryn Sharp | Daryn Sharp |
-| [HADOOP-8325](https://issues.apache.org/jira/browse/HADOOP-8325) | Add a ShutdownHookManager to be used by different components instead of the JVM shutdownhook | Critical | fs | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-8330](https://issues.apache.org/jira/browse/HADOOP-8330) | TestSequenceFile.testCreateUsesFsArg() is broken | Minor | test | John George | John George |
-| [HDFS-3275](https://issues.apache.org/jira/browse/HDFS-3275) | Format command overwrites contents of non-empty shared edits dir if name dirs are empty without any prompting | Major | ha, namenode | Vinithra Varadharajan | amith |
-| [MAPREDUCE-4211](https://issues.apache.org/jira/browse/MAPREDUCE-4211) | Error conditions (missing appid, appid not found) are masked in the RM app page | Minor | mrv2 | Jonathan Eagles | Jonathan Eagles |
-| [HADOOP-8317](https://issues.apache.org/jira/browse/HADOOP-8317) | Update maven-assembly-plugin to 2.3 - fix build on FreeBSD | Major | build | Radim Kolar | |
-| [HADOOP-8172](https://issues.apache.org/jira/browse/HADOOP-8172) | Configuration no longer sets all keys in a deprecated key list. | Critical | conf | Robert Joseph Evans | Anupam Seth |
-| [HADOOP-8342](https://issues.apache.org/jira/browse/HADOOP-8342) | HDFS command fails with exception following merge of HADOOP-8325 | Major | fs | Randy Clayton | Alejandro Abdelnur |
-| [HDFS-3359](https://issues.apache.org/jira/browse/HDFS-3359) | DFSClient.close should close cached sockets | Critical | hdfs-client | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-4048](https://issues.apache.org/jira/browse/MAPREDUCE-4048) | NullPointerException exception while accessing the Application Master UI | Major | mrv2 | Devaraj K | Devaraj K |
-| [HADOOP-8327](https://issues.apache.org/jira/browse/HADOOP-8327) | distcpv2 and distcpv1 jars should not coexist | Major | . | Dave Thompson | Dave Thompson |
-| [HADOOP-8328](https://issues.apache.org/jira/browse/HADOOP-8328) | Duplicate FileSystem Statistics object for 'file' scheme | Major | fs | Tom White | Tom White |
-| [MAPREDUCE-4220](https://issues.apache.org/jira/browse/MAPREDUCE-4220) | RM apps page starttime/endtime sorts are incorrect | Minor | mrv2 | Jonathan Eagles | Jonathan Eagles |
-| [MAPREDUCE-4226](https://issues.apache.org/jira/browse/MAPREDUCE-4226) | ConcurrentModificationException in FileSystemCounterGroup | Major | mrv2 | Tom White | Tom White |
-| [HADOOP-8341](https://issues.apache.org/jira/browse/HADOOP-8341) | Fix or filter findbugs issues in hadoop-tools | Major | . | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-4215](https://issues.apache.org/jira/browse/MAPREDUCE-4215) | RM app page shows 500 error on appid parse error | Major | mrv2 | Jonathan Eagles | Jonathan Eagles |
-| [MAPREDUCE-4237](https://issues.apache.org/jira/browse/MAPREDUCE-4237) | TestNodeStatusUpdater can fail if localhost has a domain associated with it | Major | . | Robert Joseph Evans | Robert Joseph Evans |
-| [HADOOP-8372](https://issues.apache.org/jira/browse/HADOOP-8372) | normalizeHostName() in NetUtils is not working properly in resolving a hostname start with numeric character | Major | io, util | Junping Du | Junping Du |
-| [HDFS-3385](https://issues.apache.org/jira/browse/HDFS-3385) | ClassCastException when trying to append a file | Major | namenode | Brahma Reddy Battula | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-4148](https://issues.apache.org/jira/browse/MAPREDUCE-4148) | MapReduce should not have a compile-time dependency on HDFS | Major | mrv2 | Tom White | Tom White |
-| [HADOOP-8316](https://issues.apache.org/jira/browse/HADOOP-8316) | Audit logging should be disabled by default | Major | conf | Eli Collins | Eli Collins |
-| [MAPREDUCE-4233](https://issues.apache.org/jira/browse/MAPREDUCE-4233) | NPE can happen in RMNMNodeInfo. | Critical | . | Robert Joseph Evans | Robert Joseph Evans |
-| [HDFS-3414](https://issues.apache.org/jira/browse/HDFS-3414) | Balancer does not find NameNode if rpc-address or servicerpc-address are not set in client configs | Minor | balancer & mover | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-3031](https://issues.apache.org/jira/browse/HDFS-3031) | HA: Fix complete() and getAdditionalBlock() RPCs to be idempotent. | Major | ha | Stephen Chu | Todd Lipcon |
-| [MAPREDUCE-4238](https://issues.apache.org/jira/browse/MAPREDUCE-4238) | mavenize data\_join | Critical | mrv2 | Thomas Graves | Thomas Graves |
-| [HADOOP-8393](https://issues.apache.org/jira/browse/HADOOP-8393) | hadoop-config.sh missing variable exports, causes Yarn jobs to fail with ClassNotFoundException MRAppMaster | Major | scripts | Patrick Hunt | Patrick Hunt |
-| [MAPREDUCE-4250](https://issues.apache.org/jira/browse/MAPREDUCE-4250) | hadoop-config.sh missing variable exports, causes Yarn jobs to fail with ClassNotFoundException MRAppMaster | Major | nodemanager | Patrick Hunt | Patrick Hunt |
-| [MAPREDUCE-4102](https://issues.apache.org/jira/browse/MAPREDUCE-4102) | job counters not available in Jobhistory webui for killed jobs | Major | webapps | Thomas Graves | Bhallamudi Venkata Siva Kamesh |
-| [HDFS-3413](https://issues.apache.org/jira/browse/HDFS-3413) | TestFailureToReadEdits timing out | Critical | ha, test | Todd Lipcon | Aaron T. Myers |
-| [HADOOP-8400](https://issues.apache.org/jira/browse/HADOOP-8400) | All commands warn "Kerberos krb5 configuration not found" when security is not enabled | Major | security | Eli Collins | Alejandro Abdelnur |
-| [HDFS-3422](https://issues.apache.org/jira/browse/HDFS-3422) | TestStandbyIsHot timeouts too aggressive | Minor | test | Todd Lipcon | Todd Lipcon |
-| [HADOOP-8406](https://issues.apache.org/jira/browse/HADOOP-8406) | CompressionCodecFactory.CODEC\_PROVIDERS iteration is thread-unsafe | Major | io | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-4264](https://issues.apache.org/jira/browse/MAPREDUCE-4264) | Got ClassCastException when using mapreduce.history.server.delegationtoken.required=true | Blocker | mrv2 | Thomas Graves | Thomas Graves |
-| [HDFS-3433](https://issues.apache.org/jira/browse/HDFS-3433) | GetImageServlet should allow administrative requestors when security is enabled | Major | namenode | Aaron T. Myers | Aaron T. Myers |
-| [MAPREDUCE-3543](https://issues.apache.org/jira/browse/MAPREDUCE-3543) | Mavenize Gridmix. | Critical | mrv2 | Mahadev konar | Thomas Graves |
-| [HDFS-1153](https://issues.apache.org/jira/browse/HDFS-1153) | dfsnodelist.jsp should handle invalid input parameters | Minor | datanode | Ravi Phulari | Ravi Phulari |
-| [HDFS-2800](https://issues.apache.org/jira/browse/HDFS-2800) | HA: TestStandbyCheckpoints.testCheckpointCancellation is racy | Major | ha, test | Aaron T. Myers | Todd Lipcon |
-| [HDFS-3391](https://issues.apache.org/jira/browse/HDFS-3391) | TestPipelinesFailover#testLeaseRecoveryAfterFailover is failing | Critical | . | Arun C Murthy | Todd Lipcon |
-| [HADOOP-8287](https://issues.apache.org/jira/browse/HADOOP-8287) | etc/hadoop is missing hadoop-env.sh | Major | conf | Eli Collins | Eli Collins |
-| [MAPREDUCE-4197](https://issues.apache.org/jira/browse/MAPREDUCE-4197) | Include the hsqldb jar in the hadoop-mapreduce tar file | Major | . | Ravi Prakash | Ravi Prakash |
-| [HDFS-3440](https://issues.apache.org/jira/browse/HDFS-3440) | should more effectively limit stream memory consumption when reading corrupt edit logs | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3444](https://issues.apache.org/jira/browse/HDFS-3444) | hdfs groups command doesn't work with security enabled | Major | hdfs-client | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-8329](https://issues.apache.org/jira/browse/HADOOP-8329) | Build fails with Java 7 | Major | build | Kumar Ravi | Eli Collins |
-| [MAPREDUCE-4002](https://issues.apache.org/jira/browse/MAPREDUCE-4002) | MultiFileWordCount job fails if the input path is not from default file system | Major | examples | Bhallamudi Venkata Siva Kamesh | Bhallamudi Venkata Siva Kamesh |
-| [MAPREDUCE-4269](https://issues.apache.org/jira/browse/MAPREDUCE-4269) | documentation: Gridmix has javadoc warnings in StressJobFactory | Major | mrv2 | Jonathan Eagles | Jonathan Eagles |
-| [MAPREDUCE-3870](https://issues.apache.org/jira/browse/MAPREDUCE-3870) | Invalid App Metrics | Major | mrv2 | Bhallamudi Venkata Siva Kamesh | Bhallamudi Venkata Siva Kamesh |
-| [HADOOP-8408](https://issues.apache.org/jira/browse/HADOOP-8408) | MR doesn't work with a non-default ViewFS mount table and security enabled | Major | viewfs | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-3415](https://issues.apache.org/jira/browse/HDFS-3415) | During NameNode starting up, it may pick wrong storage directory inspector when the layout versions of the storage directories are different | Major | namenode | Brahma Reddy Battula | Brandon Li |
-| [HDFS-3436](https://issues.apache.org/jira/browse/HDFS-3436) | adding new datanode to existing pipeline fails in case of Append/Recovery | Major | datanode | Brahma Reddy Battula | Vinayakumar B |
-| [MAPREDUCE-4262](https://issues.apache.org/jira/browse/MAPREDUCE-4262) | NM gives wrong log message saying "Connected to ResourceManager" before trying to connect | Minor | mrv2, nodemanager | Devaraj K | Devaraj K |
-| [HDFS-2982](https://issues.apache.org/jira/browse/HDFS-2982) | Startup performance suffers when there are many edit log segments | Critical | namenode | Todd Lipcon | Colin P. McCabe |
-| [MAPREDUCE-4276](https://issues.apache.org/jira/browse/MAPREDUCE-4276) | Allow setting yarn.nodemanager.delete.debug-delay-sec property to "-1" for easier container debugging. | Major | mrv2 | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-4224](https://issues.apache.org/jira/browse/MAPREDUCE-4224) | TestFifoScheduler throws org.apache.hadoop.metrics2.MetricsException | Major | mrv2, scheduler, test | Devaraj K | Devaraj K |
-| [HDFS-3460](https://issues.apache.org/jira/browse/HDFS-3460) | HttpFS proxyuser validation with Kerberos ON uses full principal name | Critical | . | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-8422](https://issues.apache.org/jira/browse/HADOOP-8422) | Deprecate FileSystem#getDefault\* and getServerDefault methods that don't take a Path argument | Minor | fs | Eli Collins | Eli Collins |
-| [HDFS-3368](https://issues.apache.org/jira/browse/HDFS-3368) | Missing blocks due to bad DataNodes coming up and down. | Major | namenode | Konstantin Shvachko | Konstantin Shvachko |
-| [HADOOP-8268](https://issues.apache.org/jira/browse/HADOOP-8268) | A few pom.xml across Hadoop project may fail XML validation | Major | build | Radim Kolar | Radim Kolar |
-| [HADOOP-8444](https://issues.apache.org/jira/browse/HADOOP-8444) | Fix the tests FSMainOperationsBaseTest.java and F ileContextMainOperationsBaseTest.java to avoid potential test failure | Major | fs, test | Mariappan Asokan | madhukara phatak |
-| [MAPREDUCE-3493](https://issues.apache.org/jira/browse/MAPREDUCE-3493) | Add the default mapreduce.shuffle.port property to mapred-default.xml | Minor | mrv2 | Ahmed Radwan | |
-| [HDFS-3398](https://issues.apache.org/jira/browse/HDFS-3398) | Client will not retry when primaryDN is down once it's just got pipeline | Minor | hdfs-client | Brahma Reddy Battula | amith |
-| [MAPREDUCE-4152](https://issues.apache.org/jira/browse/MAPREDUCE-4152) | map task left hanging after AM dies trying to connect to RM | Major | mrv2 | Thomas Graves | Thomas Graves |
-| [HADOOP-8452](https://issues.apache.org/jira/browse/HADOOP-8452) | DN logs backtrace when running under jsvc and /jmx is loaded | Minor | . | Andy Isaacson | Andy Isaacson |
-| [MAPREDUCE-4297](https://issues.apache.org/jira/browse/MAPREDUCE-4297) | Usersmap file in gridmix should not fail on empty lines | Major | contrib/gridmix | Ravi Prakash | Ravi Prakash |
-| [HDFS-3484](https://issues.apache.org/jira/browse/HDFS-3484) | hdfs fsck doesn't work if NN HTTP address is set to 0.0.0.0 even if NN RPC address is configured | Minor | hdfs-client | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-3486](https://issues.apache.org/jira/browse/HDFS-3486) | offlineimageviewer can't read fsimage files that contain persistent delegation tokens | Minor | security, tools | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3487](https://issues.apache.org/jira/browse/HDFS-3487) | offlineimageviewer should give byte offset information when it encounters an exception | Minor | tools | Colin P. McCabe | Colin P. McCabe |
-| [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 |
-| [HADOOP-8466](https://issues.apache.org/jira/browse/HADOOP-8466) | hadoop-client POM incorrectly excludes avro | Major | build | Bruno Mahé | Bruno Mahé |
-| [MAPREDUCE-4302](https://issues.apache.org/jira/browse/MAPREDUCE-4302) | NM goes down if error encountered during log aggregation | Critical | nodemanager | Daryn Sharp | Daryn Sharp |
-| [HDFS-3442](https://issues.apache.org/jira/browse/HDFS-3442) | Incorrect count for Missing Replicas in FSCK report | Minor | . | suja s | Andrew Wang |
-| [MAPREDUCE-4307](https://issues.apache.org/jira/browse/MAPREDUCE-4307) | TeraInputFormat calls FileSystem.getDefaultBlockSize() without a Path - Failure when using ViewFileSystem | Major | mrv2 | Ahmed Radwan | Ahmed Radwan |
-| [HDFS-2025](https://issues.apache.org/jira/browse/HDFS-2025) | Go Back to File View link is not working in tail.jsp | Minor | datanode | sravankorumilli | Ashish Singhi |
-| [HADOOP-8450](https://issues.apache.org/jira/browse/HADOOP-8450) | Remove src/test/system | Trivial | test | Colin P. McCabe | Eli Collins |
-| [MAPREDUCE-3350](https://issues.apache.org/jira/browse/MAPREDUCE-3350) | Per-app RM page should have the list of application-attempts like on the app JHS page | Critical | mrv2, webapps | Vinod Kumar Vavilapalli | Jonathan Eagles |
-| [HDFS-3501](https://issues.apache.org/jira/browse/HDFS-3501) | Checkpointing with security enabled will stop working after ticket lifetime expires | Major | ha, namenode | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-8481](https://issues.apache.org/jira/browse/HADOOP-8481) | update BUILDING.txt to talk about cmake rather than autotools | Trivial | documentation | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3266](https://issues.apache.org/jira/browse/HDFS-3266) | DFSTestUtil#waitCorruptReplicas doesn't sleep between checks | Minor | . | Aaron T. Myers | madhukara phatak |
-| [MAPREDUCE-4313](https://issues.apache.org/jira/browse/MAPREDUCE-4313) | TestTokenCache doesn't compile due TokenCache.getDelegationToken compilation error | Blocker | build, test | Eli Collins | Robert Joseph Evans |
-| [MAPREDUCE-3873](https://issues.apache.org/jira/browse/MAPREDUCE-3873) | Nodemanager is not getting decommisioned if the absolute ip is given in exclude file. | Minor | mrv2, nodemanager | Nishan Shetty | xieguiming |
-| [HDFS-3505](https://issues.apache.org/jira/browse/HDFS-3505) | DirectoryScanner does not join all threads in shutdown | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-8485](https://issues.apache.org/jira/browse/HADOOP-8485) | Don't hardcode "Apache Hadoop 0.23" in the docs | Minor | documentation | Eli Collins | Eli Collins |
-| [HDFS-3485](https://issues.apache.org/jira/browse/HDFS-3485) | DataTransferThrottler will over-throttle when currentTimeMillis jumps | Minor | . | Andy Isaacson | Andy Isaacson |
-| [HADOOP-8488](https://issues.apache.org/jira/browse/HADOOP-8488) | test-patch.sh gives +1 even if the native build fails. | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-2914](https://issues.apache.org/jira/browse/HDFS-2914) | HA: Standby should not enter safemode when resources are low | Major | ha, namenode | Hari Mankude | Vinayakumar B |
-| [HDFS-3490](https://issues.apache.org/jira/browse/HDFS-3490) | DN WebHDFS methods throw NPE if Namenode RPC address param not specified | Minor | webhdfs | Todd Lipcon | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-3927](https://issues.apache.org/jira/browse/MAPREDUCE-3927) | Shuffle hang when set map.failures.percent | Critical | mrv2 | MengWang | Bhallamudi Venkata Siva Kamesh |
-| [HDFS-2797](https://issues.apache.org/jira/browse/HDFS-2797) | Fix misuses of InputStream#skip in the edit log code | Major | ha, namenode | Aaron T. Myers | Colin P. McCabe |
-| [HDFS-3517](https://issues.apache.org/jira/browse/HDFS-3517) | TestStartup should bind ephemeral ports | Minor | test | Eli Collins | Eli Collins |
-| [HADOOP-8501](https://issues.apache.org/jira/browse/HADOOP-8501) | Gridmix fails to compile on OpenJDK7u4 | Major | benchmarks | Radim Kolar | Radim Kolar |
-| [HDFS-3428](https://issues.apache.org/jira/browse/HDFS-3428) | move DelegationTokenRenewer to common | Major | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-8507](https://issues.apache.org/jira/browse/HADOOP-8507) | Avoid OOM while deserializing DelegationTokenIdentifer | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3531](https://issues.apache.org/jira/browse/HDFS-3531) | EditLogFileOutputStream#preallocate should check for incomplete writes | Minor | namenode | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-766](https://issues.apache.org/jira/browse/HDFS-766) | Error message not clear for set space quota out of boundary values. | Minor | . | Ravi Phulari | Jon Zuanich |
-| [HADOOP-8433](https://issues.apache.org/jira/browse/HADOOP-8433) | Don't set HADOOP\_LOG\_DIR in hadoop-env.sh | Major | scripts | Brahma Reddy Battula | Brahma Reddy Battula |
-| [HDFS-3480](https://issues.apache.org/jira/browse/HDFS-3480) | Multiple SLF4J binding warning | Major | build | Eli Collins | Vinayakumar B |
-| [HADOOP-8509](https://issues.apache.org/jira/browse/HADOOP-8509) | JarFinder duplicate entry: META-INF/MANIFEST.MF exception | Minor | util | Matteo Bertozzi | Alejandro Abdelnur |
-| [HDFS-3524](https://issues.apache.org/jira/browse/HDFS-3524) | TestFileLengthOnClusterRestart failed due to error message change | Major | test | Eli Collins | Brandon Li |
-| [HDFS-3518](https://issues.apache.org/jira/browse/HDFS-3518) | Provide API to check HDFS operational state | Major | hdfs-client | Bikas Saha | Tsz Wo Nicholas Sze |
-| [HADOOP-8495](https://issues.apache.org/jira/browse/HADOOP-8495) | Update Netty to avoid leaking file descriptors during shuffle | Critical | build | Jason Lowe | Jason Lowe |
-| [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 |
-| [MAPREDUCE-4341](https://issues.apache.org/jira/browse/MAPREDUCE-4341) | add types to capacity scheduler properties documentation | Major | capacity-sched, mrv2 | Thomas Graves | Karthik Kambatla |
-| [MAPREDUCE-4267](https://issues.apache.org/jira/browse/MAPREDUCE-4267) | mavenize pipes | Critical | mrv2 | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4270](https://issues.apache.org/jira/browse/MAPREDUCE-4270) | data\_join test classes are in the wrong packge | Major | mrv2 | Brock Noland | Thomas Graves |
-| [MAPREDUCE-4306](https://issues.apache.org/jira/browse/MAPREDUCE-4306) | Problem running Distributed Shell applications as a user other than the one started the daemons | Major | mrv2 | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-3889](https://issues.apache.org/jira/browse/MAPREDUCE-3889) | job client tries to use /tasklog interface, but that doesn't exist anymore | Critical | mrv2 | Thomas Graves | Devaraj K |
-| [MAPREDUCE-4320](https://issues.apache.org/jira/browse/MAPREDUCE-4320) | gridmix mainClass wrong in pom.xml | Major | contrib/gridmix | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4295](https://issues.apache.org/jira/browse/MAPREDUCE-4295) | RM crashes due to DNS issue | Critical | mrv2, resourcemanager | Thomas Graves | Thomas Graves |
-| [MAPREDUCE-4031](https://issues.apache.org/jira/browse/MAPREDUCE-4031) | Node Manager hangs on shut down | Critical | mrv2, nodemanager | Devaraj K | Devaraj K |
-| [MAPREDUCE-4361](https://issues.apache.org/jira/browse/MAPREDUCE-4361) | Fix detailed metrics for protobuf-based RPC on 0.23 | Major | mrv2 | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4336](https://issues.apache.org/jira/browse/MAPREDUCE-4336) | Distributed Shell fails when used with the CapacityScheduler | Major | mrv2 | Siddharth Seth | Ahmed Radwan |
-| [MAPREDUCE-4290](https://issues.apache.org/jira/browse/MAPREDUCE-4290) | JobStatus.getState() API is giving ambiguous values | Major | mrv2 | Nishan Shetty | Devaraj K |
-| [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-8129](https://issues.apache.org/jira/browse/HADOOP-8129) | ViewFileSystemTestSetup setupForViewFileSystem is erring when the user's home directory is somewhere other than /home (eg. /User) etc. | Major | fs, test | Ravi Prakash | Ahmed Radwan |
-| [MAPREDUCE-4228](https://issues.apache.org/jira/browse/MAPREDUCE-4228) | mapreduce.job.reduce.slowstart.completedmaps is not working properly to delay the scheduling of the reduce tasks | Major | applicationmaster, mrv2 | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4372](https://issues.apache.org/jira/browse/MAPREDUCE-4372) | Deadlock in Resource Manager between SchedulerEventDispatcher.EventProcessor and Shutdown hook manager | Major | mrv2, resourcemanager | Devaraj K | Devaraj K |
-| [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-3572](https://issues.apache.org/jira/browse/HDFS-3572) | Cleanup code which inits SPNEGO in HttpServer | Minor | namenode, security | Todd Lipcon | Todd Lipcon |
-| [HDFS-3551](https://issues.apache.org/jira/browse/HDFS-3551) | WebHDFS CREATE does not use client location for redirection | Major | webhdfs | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-8168](https://issues.apache.org/jira/browse/HADOOP-8168) | empty-string owners or groups causes {{MissingFormatWidthException}} in o.a.h.fs.shell.Ls.ProcessPath() | Major | fs | Eugene Koontz | Eugene Koontz |
-| [MAPREDUCE-4376](https://issues.apache.org/jira/browse/MAPREDUCE-4376) | TestClusterMRNotification times out | Major | mrv2, test | Jason Lowe | Kihwal Lee |
-| [HDFS-3559](https://issues.apache.org/jira/browse/HDFS-3559) | DFSTestUtil: use Builder class to construct DFSTestUtil instances | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-8438](https://issues.apache.org/jira/browse/HADOOP-8438) | hadoop-validate-setup.sh refers to examples jar file which doesn't exist | Major | . | Devaraj K | Devaraj K |
-| [MAPREDUCE-4383](https://issues.apache.org/jira/browse/MAPREDUCE-4383) | HadoopPipes.cc needs to include unistd.h | Minor | pipes | Andy Isaacson | Andy Isaacson |
-| [HDFS-3491](https://issues.apache.org/jira/browse/HDFS-3491) | HttpFs does not set permissions correctly | Major | . | Romain Rigaux | Alejandro Abdelnur |
-| [HDFS-3580](https://issues.apache.org/jira/browse/HDFS-3580) | incompatible types; no instance(s) of type variable(s) V exist so that V conforms to boolean compiling HttpFSServer.java with OpenJDK | Minor | . | Andy Isaacson | Andy Isaacson |
-| [HADOOP-8449](https://issues.apache.org/jira/browse/HADOOP-8449) | hadoop fs -text fails with compressed sequence files with the codec file extension | Minor | . | Joey Echeverria | Harsh J |
-| [HADOOP-8538](https://issues.apache.org/jira/browse/HADOOP-8538) | CMake builds fail on ARM | Major | native | Trevor Robinson | Trevor Robinson |
-| [HDFS-3157](https://issues.apache.org/jira/browse/HDFS-3157) | Error in deleting block is keep on coming from DN even after the block report and directory scanning has happened | Major | namenode | J.Andreina | Ashish Singhi |
-| [HDFS-3575](https://issues.apache.org/jira/browse/HDFS-3575) | HttpFS does not log Exception Stacktraces | Minor | . | Brock Noland | Brock Noland |
-| [HADOOP-8110](https://issues.apache.org/jira/browse/HADOOP-8110) | TestViewFsTrash occasionally fails | Major | fs | Tsz Wo Nicholas Sze | Jason Lowe |
-| [HDFS-3574](https://issues.apache.org/jira/browse/HDFS-3574) | Fix small race and do some cleanup in GetImageServlet | Minor | namenode | Todd Lipcon | Todd Lipcon |
-| [HADOOP-8547](https://issues.apache.org/jira/browse/HADOOP-8547) | Package hadoop-pipes examples/bin directory (again) | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3581](https://issues.apache.org/jira/browse/HDFS-3581) | FSPermissionChecker#checkPermission sticky bit check missing range check | Major | namenode | Eli Collins | Eli Collins |
-| [MAPREDUCE-4392](https://issues.apache.org/jira/browse/MAPREDUCE-4392) | Counters.makeCompactString() changed behavior from 0.20 | Major | mrv2 | Jason Lowe | Jason Lowe |
-| [HADOOP-8563](https://issues.apache.org/jira/browse/HADOOP-8563) | don't package hadoop-pipes examples/bin | Minor | build | Colin P. McCabe | Colin P. McCabe |
-| [MAPREDUCE-4384](https://issues.apache.org/jira/browse/MAPREDUCE-4384) | Race conditions in IndexCache | Major | nodemanager | Kihwal Lee | Kihwal Lee |
-| [MAPREDUCE-4387](https://issues.apache.org/jira/browse/MAPREDUCE-4387) | RM gets fatal error and exits during TestRM | Major | resourcemanager | Kihwal Lee | Kihwal Lee |
-| [HDFS-2619](https://issues.apache.org/jira/browse/HDFS-2619) | Remove my personal email address from the libhdfs build file. | Major | build | Owen O'Malley | Owen O'Malley |
-| [HADOOP-8566](https://issues.apache.org/jira/browse/HADOOP-8566) | AvroReflectSerializer.accept(Class) throws a NPE if the class has no package (primitive types and arrays) | Major | io | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-4379](https://issues.apache.org/jira/browse/MAPREDUCE-4379) | Node Manager throws java.lang.OutOfMemoryError: Java heap space due to org.apache.hadoop.fs.LocalDirAllocator.contexts | Blocker | mrv2, nodemanager | Devaraj K | Devaraj K |
-| [MAPREDUCE-2220](https://issues.apache.org/jira/browse/MAPREDUCE-2220) | Fix new API FileOutputFormat-related typos in mapred-default.xml | Minor | documentation | Rui KUBO | Rui KUBO |
-| [HDFS-3541](https://issues.apache.org/jira/browse/HDFS-3541) | Deadlock between recovery, xceiver and packet responder | Major | datanode | suja s | Vinayakumar B |
-| [HDFS-711](https://issues.apache.org/jira/browse/HDFS-711) | hdfsUtime does not handle atime = 0 or mtime = 0 correctly | Major | documentation | freestyler | Colin P. McCabe |
-| [HDFS-3548](https://issues.apache.org/jira/browse/HDFS-3548) | NamenodeFsck.copyBlock fails to create a Block Reader | Critical | namenode | Todd Lipcon | Colin P. McCabe |
-| [HDFS-3591](https://issues.apache.org/jira/browse/HDFS-3591) | Backport HDFS-3357 to branch-0.23 | Major | . | Robert Joseph Evans | Robert Joseph Evans |
-| [HDFS-3603](https://issues.apache.org/jira/browse/HDFS-3603) | Decouple TestHDFSTrash from TestTrash | Major | test | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-4402](https://issues.apache.org/jira/browse/MAPREDUCE-4402) | TestFileInputFormat fails intermittently | Major | test | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-2739](https://issues.apache.org/jira/browse/MAPREDUCE-2739) | MR-279: Update installation docs (remove YarnClientFactory) | Minor | mrv2 | Ahmed Radwan | Bo Wang |
-| [MAPREDUCE-3993](https://issues.apache.org/jira/browse/MAPREDUCE-3993) | Graceful handling of codec errors during decompression | Major | mrv1, mrv2 | Todd Lipcon | Karthik Kambatla |
-| [MAPREDUCE-4300](https://issues.apache.org/jira/browse/MAPREDUCE-4300) | OOM in AM can turn it into a zombie. | Major | applicationmaster | Robert Joseph Evans | Robert Joseph Evans |
-| [HDFS-3555](https://issues.apache.org/jira/browse/HDFS-3555) | idle client socket triggers DN ERROR log (should be INFO or DEBUG) | Major | datanode, hdfs-client | Jeff Lord | Andy Isaacson |
-| [MAPREDUCE-4252](https://issues.apache.org/jira/browse/MAPREDUCE-4252) | MR2 job never completes with 1 pending task | Major | mrv2 | Tom White | Tom White |
-| [HADOOP-8573](https://issues.apache.org/jira/browse/HADOOP-8573) | Configuration tries to read from an inputstream resource multiple times. | Major | conf | Robert Joseph Evans | Robert Joseph Evans |
-| [HDFS-3629](https://issues.apache.org/jira/browse/HDFS-3629) | fix the typo in the error message about inconsistent storage layout version | Trivial | namenode | Brandon Li | Brandon Li |
-| [HDFS-3611](https://issues.apache.org/jira/browse/HDFS-3611) | NameNode prints unnecessary WARNs about edit log normally skipping a few bytes | Trivial | namenode | Harsh J | Colin P. McCabe |
-| [HADOOP-8586](https://issues.apache.org/jira/browse/HADOOP-8586) | Fixup a bunch of SPNEGO misspellings | Major | . | Eli Collins | Eli Collins |
-| [HADOOP-3886](https://issues.apache.org/jira/browse/HADOOP-3886) | Error in javadoc of Reporter, Mapper and Progressable | Minor | documentation | brien colwell | Jingguo Yao |
-| [HDFS-3615](https://issues.apache.org/jira/browse/HDFS-3615) | Two BlockTokenSecretManager findbugs warnings | Major | security | Eli Collins | Aaron T. Myers |
-| [HADOOP-8587](https://issues.apache.org/jira/browse/HADOOP-8587) | HarFileSystem access of harMetaCache isn't threadsafe | Minor | fs | Eli Collins | Eli Collins |
-| [HADOOP-8585](https://issues.apache.org/jira/browse/HADOOP-8585) | Fix initialization circularity between UserGroupInformation and HadoopConfiguration | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [MAPREDUCE-4416](https://issues.apache.org/jira/browse/MAPREDUCE-4416) | Some tests fail if Clover is enabled | Critical | client, mrv2 | Kihwal Lee | Kihwal Lee |
-| [HDFS-3633](https://issues.apache.org/jira/browse/HDFS-3633) | libhdfs: hdfsDelete should pass JNI\_FALSE or JNI\_TRUE | Minor | libhdfs | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3306](https://issues.apache.org/jira/browse/HDFS-3306) | fuse\_dfs: don't lock release operations | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [MAPREDUCE-4432](https://issues.apache.org/jira/browse/MAPREDUCE-4432) | Confusing warning message when GenericOptionsParser is not used | Trivial | . | Gabriel Reid | |
-| [MAPREDUCE-4441](https://issues.apache.org/jira/browse/MAPREDUCE-4441) | Fix build issue caused by MR-3451 | Blocker | . | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4419](https://issues.apache.org/jira/browse/MAPREDUCE-4419) | ./mapred queue -info \<queuename\> -showJobs displays all the jobs irrespective of \<queuename\> | Major | mrv2 | Nishan Shetty | Devaraj K |
-| [MAPREDUCE-4299](https://issues.apache.org/jira/browse/MAPREDUCE-4299) | Terasort hangs with MR2 FifoScheduler | Major | mrv2 | Tom White | Tom White |
-| [HADOOP-8543](https://issues.apache.org/jira/browse/HADOOP-8543) | Invalid pom.xml files on 0.23 branch | Major | build | Radim Kolar | Radim Kolar |
-| [HADOOP-8499](https://issues.apache.org/jira/browse/HADOOP-8499) | Lower min.user.id to 500 for the tests | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-470](https://issues.apache.org/jira/browse/HDFS-470) | libhdfs should handle 0-length reads from FSInputStream correctly | Minor | . | Pete Wyckoff | Colin P. McCabe |
-| [HDFS-3609](https://issues.apache.org/jira/browse/HDFS-3609) | libhdfs: don't force the URI to look like hdfs://hostname:port | Major | libhdfs | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3539](https://issues.apache.org/jira/browse/HDFS-3539) | libhdfs code cleanups | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-7818](https://issues.apache.org/jira/browse/HADOOP-7818) | DiskChecker#checkDir should fail if the directory is not executable | Minor | util | Eli Collins | madhukara phatak |
-| [MAPREDUCE-4395](https://issues.apache.org/jira/browse/MAPREDUCE-4395) | Possible NPE at ClientDistributedCacheManager#determineTimestamps | Critical | distributed-cache, job submission, mrv2 | Bhallamudi Venkata Siva Kamesh | Bhallamudi Venkata Siva Kamesh |
-| [HDFS-3622](https://issues.apache.org/jira/browse/HDFS-3622) | Backport HDFS-3541 to branch-0.23 | Major | . | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-4447](https://issues.apache.org/jira/browse/MAPREDUCE-4447) | Remove aop from cruft from the ant build | Major | build | Eli Collins | Eli Collins |
-| [MAPREDUCE-4437](https://issues.apache.org/jira/browse/MAPREDUCE-4437) | Race in MR ApplicationMaster can cause reducers to never be scheduled | Critical | applicationmaster, mrv2 | Jason Lowe | Jason Lowe |
-| [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-8599](https://issues.apache.org/jira/browse/HADOOP-8599) | Non empty response from FileSystem.getFileBlockLocations when asking for data beyond the end of file | Major | fs | Andrey Klochkov | Andrey Klochkov |
-| [MAPREDUCE-4440](https://issues.apache.org/jira/browse/MAPREDUCE-4440) | Change SchedulerApp & SchedulerNode to be a minimal interface | Major | . | Arun C Murthy | Arun C Murthy |
-| [MAPREDUCE-4449](https://issues.apache.org/jira/browse/MAPREDUCE-4449) | Incorrect MR\_HISTORY\_STORAGE property name in JHAdminConfig | Major | mrv2 | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-4380](https://issues.apache.org/jira/browse/MAPREDUCE-4380) | Empty Userlogs directory is getting created under logs directory | Minor | mrv2, nodemanager | Devaraj K | Devaraj K |
-| [MAPREDUCE-4448](https://issues.apache.org/jira/browse/MAPREDUCE-4448) | Nodemanager crashes upon application cleanup if aggregation failed to start | Critical | mrv2, nodemanager | Jason Lowe | Jason Lowe |
-| [HADOOP-8537](https://issues.apache.org/jira/browse/HADOOP-8537) | Two TFile tests failing recently | Major | io | Todd Lipcon | Todd Lipcon |
-| [MAPREDUCE-4406](https://issues.apache.org/jira/browse/MAPREDUCE-4406) | Users should be able to specify the MiniCluster ResourceManager and JobHistoryServer ports | Major | mrv2, test | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-4407](https://issues.apache.org/jira/browse/MAPREDUCE-4407) | Add hadoop-yarn-server-tests-\<version\>-tests.jar to hadoop dist package | Major | build, mrv2 | Ahmed Radwan | Ahmed Radwan |
-| [HDFS-3605](https://issues.apache.org/jira/browse/HDFS-3605) | Block mistakenly marked corrupt during edit log catchup phase of failover | Major | ha, namenode | Brahma Reddy Battula | Todd Lipcon |
-| [HDFS-3646](https://issues.apache.org/jira/browse/HDFS-3646) | LeaseRenewer can hold reference to inactive DFSClient instances forever | Critical | hdfs-client | Kihwal Lee | Kihwal Lee |
-| [HDFS-3673](https://issues.apache.org/jira/browse/HDFS-3673) | libhdfs: fix some compiler warnings | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-1249](https://issues.apache.org/jira/browse/HDFS-1249) | with fuse-dfs, chown which only has owner (or only group) argument fails with Input/output error. | Minor | fuse-dfs | matsusaka kentaro | Colin P. McCabe |
-| [HDFS-3690](https://issues.apache.org/jira/browse/HDFS-3690) | BlockPlacementPolicyDefault incorrectly casts LOG | Major | . | Eli Collins | Eli Collins |
-| [HDFS-3577](https://issues.apache.org/jira/browse/HDFS-3577) | WebHdfsFileSystem can not read files larger than 24KB | Blocker | webhdfs | Alejandro Abdelnur | Tsz Wo Nicholas Sze |
-| [HDFS-3597](https://issues.apache.org/jira/browse/HDFS-3597) | SNN can fail to start on upgrade | Minor | namenode | Andy Isaacson | Andy Isaacson |
-| [HDFS-3608](https://issues.apache.org/jira/browse/HDFS-3608) | fuse\_dfs: detect changes in UID ticket cache | Minor | . | Colin P. McCabe | Colin P. McCabe |
-| [HDFS-3688](https://issues.apache.org/jira/browse/HDFS-3688) | Namenode loses datanode hostname if datanode re-registers | Major | datanode | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-3893](https://issues.apache.org/jira/browse/MAPREDUCE-3893) | allow capacity scheduler configs maximum-applications and maximum-am-resource-percent configurable on a per queue basis | Critical | mrv2 | Thomas Graves | Thomas Graves |
-| [HADOOP-8606](https://issues.apache.org/jira/browse/HADOOP-8606) | FileSystem.get may return the wrong filesystem | Major | fs | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4467](https://issues.apache.org/jira/browse/MAPREDUCE-4467) | IndexCache failures due to missing synchronization | Critical | nodemanager | Andrey Klochkov | Kihwal Lee |
-| [MAPREDUCE-4465](https://issues.apache.org/jira/browse/MAPREDUCE-4465) | Update description of yarn.nodemanager.address property | Trivial | . | Bo Wang | Bo Wang |
-| [HDFS-3720](https://issues.apache.org/jira/browse/HDFS-3720) | hdfs.h must get packaged | Major | libhdfs | Colin P. McCabe | Colin P. McCabe |
-| [MAPREDUCE-4423](https://issues.apache.org/jira/browse/MAPREDUCE-4423) | Potential infinite fetching of map output | Critical | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [HDFS-3696](https://issues.apache.org/jira/browse/HDFS-3696) | Create files with WebHdfsFileSystem goes OOM when file size is big | Critical | webhdfs | Kihwal Lee | Tsz Wo Nicholas Sze |
-| [HADOOP-8626](https://issues.apache.org/jira/browse/HADOOP-8626) | Typo in default setting for hadoop.security.group.mapping.ldap.search.filter.user | Major | security | Jonathan Natkins | Jonathan Natkins |
-| [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 |
-| [HADOOP-8627](https://issues.apache.org/jira/browse/HADOOP-8627) | FS deleteOnExit may delete the wrong path | Critical | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-8634](https://issues.apache.org/jira/browse/HADOOP-8634) | Ensure FileSystem#close doesn't squawk for deleteOnExit paths | Critical | fs | Daryn Sharp | Daryn Sharp |
-| [HDFS-3732](https://issues.apache.org/jira/browse/HDFS-3732) | fuse\_dfs: incorrect configuration value checked for connection expiry timer period | Minor | fuse-dfs | Colin P. McCabe | Colin P. McCabe |
-| [HADOOP-8550](https://issues.apache.org/jira/browse/HADOOP-8550) | hadoop fs -touchz automatically created parent directories | Major | fs | Robert Joseph Evans | John George |
-| [MAPREDUCE-4342](https://issues.apache.org/jira/browse/MAPREDUCE-4342) | Distributed Cache gives inconsistent result if cache files get deleted from task tracker | Major | . | Mayank Bansal | Mayank Bansal |
-| [MAPREDUCE-4456](https://issues.apache.org/jira/browse/MAPREDUCE-4456) | LocalDistributedCacheManager can get an ArrayIndexOutOfBounds when creating symlinks | Major | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-4496](https://issues.apache.org/jira/browse/MAPREDUCE-4496) | AM logs link is missing user name | Major | applicationmaster, mrv2 | Jason Lowe | Jason Lowe |
-| [HADOOP-8637](https://issues.apache.org/jira/browse/HADOOP-8637) | FilterFileSystem#setWriteChecksum is broken | Critical | fs | Daryn Sharp | Daryn Sharp |
-| [MAPREDUCE-4493](https://issues.apache.org/jira/browse/MAPREDUCE-4493) | Distibuted Cache Compatability Issues | Critical | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-4492](https://issues.apache.org/jira/browse/MAPREDUCE-4492) | Configuring total queue capacity between 100.5 and 99.5 at perticular level is sucessfull | Minor | mrv2 | Nishan Shetty | Mayank Bansal |
-| [MAPREDUCE-4483](https://issues.apache.org/jira/browse/MAPREDUCE-4483) | 2.0 build does not work | Major | . | John George | John George |
-| [HADOOP-8370](https://issues.apache.org/jira/browse/HADOOP-8370) | Native build failure: javah: class file for org.apache.hadoop.classification.InterfaceAudience not found | Major | native | Trevor Robinson | Trevor Robinson |
-| [MAPREDUCE-4457](https://issues.apache.org/jira/browse/MAPREDUCE-4457) | mr job invalid transition TA\_TOO\_MANY\_FETCH\_FAILURE at FAILED | Critical | mrv2 | Thomas Graves | Robert Joseph Evans |
-| [MAPREDUCE-4444](https://issues.apache.org/jira/browse/MAPREDUCE-4444) | nodemanager fails to start when one of the local-dirs is bad | Blocker | nodemanager | Nathan Roberts | Jason Lowe |
-| [HDFS-3738](https://issues.apache.org/jira/browse/HDFS-3738) | TestDFSClientRetries#testFailuresArePerOperation sets incorrect timeout config | Minor | test | Aaron T. Myers | Aaron T. Myers |
-| [HADOOP-8633](https://issues.apache.org/jira/browse/HADOOP-8633) | Interrupted FsShell copies may leave tmp files | Critical | fs | Daryn Sharp | Daryn Sharp |
-| [HADOOP-8480](https://issues.apache.org/jira/browse/HADOOP-8480) | The native build should honor -DskipTests | Trivial | . | Colin P. McCabe | Colin P. McCabe |
-| [MAPREDUCE-4504](https://issues.apache.org/jira/browse/MAPREDUCE-4504) | SortValidator writes to wrong directory | Major | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [HDFS-3724](https://issues.apache.org/jira/browse/HDFS-3724) | add InterfaceAudience annotations to HttpFS classes and making inner enum static | Major | . | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HDFS-3756](https://issues.apache.org/jira/browse/HDFS-3756) | DelegationTokenFetcher creates 2 HTTP connections, the second one not properly configured | Critical | security | Alejandro Abdelnur | Alejandro Abdelnur |
-| [MAPREDUCE-4503](https://issues.apache.org/jira/browse/MAPREDUCE-4503) | Should throw InvalidJobConfException if duplicates found in cacheArchives or cacheFiles | Major | mrv2 | Robert Joseph Evans | Robert Joseph Evans |
-| [MAPREDUCE-4498](https://issues.apache.org/jira/browse/MAPREDUCE-4498) | Remove hsqldb jar from Hadoop runtime classpath | Critical | build, examples | Robert Kanter | Robert Kanter |
-| [HDFS-3579](https://issues.apache.org/jira/browse/HDFS-3579) | libhdfs: fix exception handling | Major | libhdfs | Colin P. McCabe | Colin P. McCabe |
-| [MAPREDUCE-4494](https://issues.apache.org/jira/browse/MAPREDUCE-4494) | TestFifoScheduler failing with Metrics source QueueMetrics,q0=default already exists! | Major | mrv2, test | Ahmed Radwan | Ahmed Radwan |
-| [MAPREDUCE-4484](https://issues.apache.org/jira/browse/MAPREDUCE-4484) | Incorrect IS\_MINI\_YARN\_CLUSTER property name in YarnConfiguration | Major | mrv2 | Ahmed Radwan | Ahmed Radwan |
-| [HDFS-3760](https://issues.apache.org/jira/browse/HDFS-3760) | primitiveCreate is a write, not a read | Minor | hdfs-client | Andy Isaacson | Andy Isaacson |
-| [HADOOP-8660](https://issues.apache.org/jira/browse/HADOOP-8660) | TestPseudoAuthenticator failing with NPE | Major | . | Eli Collins | Alejandro Abdelnur |
-| [YARN-12](https://issues.apache.org/jira/browse/YARN-12) | Several Findbugs issues with new FairScheduler in YARN | Major | scheduler | Junping Du | Junping Du |
-| [HDFS-3710](https://issues.apache.org/jira/browse/HDFS-3710) | libhdfs misuses O\_RDONLY/WRONLY/RDWR | Minor | libhdfs | Andy Isaacson | Andy Isaacson |
-| [HDFS-3755](https://issues.apache.org/jira/browse/HDFS-3755) | Creating an already-open-fo
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