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Posted to common-commits@hadoop.apache.org by na...@apache.org on 2017/09/03 23:54:50 UTC
[10/77] [abbrv] [partial] hadoop git commit: HADOOP-14364. refresh
changelog/release notes with newer Apache Yetus build
http://git-wip-us.apache.org/repos/asf/hadoop/blob/19041008/hadoop-common-project/hadoop-common/src/site/markdown/release/2.1.0-beta/CHANGES.2.1.0-beta.md
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diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/2.1.0-beta/CHANGES.2.1.0-beta.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/2.1.0-beta/CHANGES.2.1.0-beta.md
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--- a/hadoop-common-project/hadoop-common/src/site/markdown/release/2.1.0-beta/CHANGES.2.1.0-beta.md
+++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/2.1.0-beta/CHANGES.2.1.0-beta.md
@@ -24,895 +24,888 @@
| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-9832](https://issues.apache.org/jira/browse/HADOOP-9832) | Add RPC header to client ping | Blocker | ipc | Daryn Sharp | Daryn Sharp |
-| [HADOOP-9820](https://issues.apache.org/jira/browse/HADOOP-9820) | RPCv9 wire protocol is insufficient to support multiplexing | Blocker | ipc, security | Daryn Sharp | Daryn Sharp |
-| [HADOOP-9698](https://issues.apache.org/jira/browse/HADOOP-9698) | RPCv9 client must honor server's SASL negotiate response | Blocker | ipc | Daryn Sharp | Daryn Sharp |
-| [HADOOP-9683](https://issues.apache.org/jira/browse/HADOOP-9683) | Wrap IpcConnectionContext in RPC headers | Blocker | ipc | Luke Lu | Daryn Sharp |
-| [HADOOP-9649](https://issues.apache.org/jira/browse/HADOOP-9649) | Promote YARN service life-cycle libraries into Hadoop Common | Blocker | . | Zhijie Shen | Zhijie Shen |
-| [HADOOP-9630](https://issues.apache.org/jira/browse/HADOOP-9630) | Remove IpcSerializationType | Major | ipc | Luke Lu | Junping Du |
-| [HADOOP-9425](https://issues.apache.org/jira/browse/HADOOP-9425) | Add error codes to rpc-response | Major | ipc | Sanjay Radia | Sanjay Radia |
-| [HADOOP-9421](https://issues.apache.org/jira/browse/HADOOP-9421) | Convert SASL to use ProtoBuf and provide negotiation capabilities | Blocker | . | Sanjay Radia | Daryn Sharp |
-| [HADOOP-9380](https://issues.apache.org/jira/browse/HADOOP-9380) | Add totalLength to rpc response | Major | ipc | Sanjay Radia | Sanjay Radia |
-| [HADOOP-9194](https://issues.apache.org/jira/browse/HADOOP-9194) | RPC Support for QoS | Major | ipc | Luke Lu | Junping Du |
+| [HADOOP-8886](https://issues.apache.org/jira/browse/HADOOP-8886) | Remove KFS support | Major | fs | Eli Collins | Eli Collins |
| [HADOOP-9163](https://issues.apache.org/jira/browse/HADOOP-9163) | The rpc msg in ProtobufRpcEngine.proto should be moved out to avoid an extra copy | Major | ipc | Sanjay Radia | Sanjay Radia |
| [HADOOP-9151](https://issues.apache.org/jira/browse/HADOOP-9151) | Include RPC error info in RpcResponseHeader instead of sending it separately | Major | ipc | Sanjay Radia | Sanjay Radia |
-| [HADOOP-8886](https://issues.apache.org/jira/browse/HADOOP-8886) | Remove KFS support | Major | fs | Eli Collins | Eli Collins |
-| [HDFS-5083](https://issues.apache.org/jira/browse/HDFS-5083) | Update the HDFS compatibility version range | Blocker | . | Kihwal Lee | Kihwal Lee |
-| [HDFS-4866](https://issues.apache.org/jira/browse/HDFS-4866) | Protocol buffer support cannot compile under C | Blocker | namenode | Ralph Castain | Arpit Agarwal |
+| [YARN-396](https://issues.apache.org/jira/browse/YARN-396) | Rationalize AllocateResponse in RM scheduler API | Major | . | Bikas Saha | Zhijie Shen |
+| [HADOOP-9380](https://issues.apache.org/jira/browse/HADOOP-9380) | Add totalLength to rpc response | Major | ipc | Sanjay Radia | Sanjay Radia |
+| [YARN-439](https://issues.apache.org/jira/browse/YARN-439) | Flatten NodeHeartbeatResponse | Major | . | Siddharth Seth | Xuan Gong |
+| [YARN-440](https://issues.apache.org/jira/browse/YARN-440) | Flatten RegisterNodeManagerResponse | Major | . | Siddharth Seth | Xuan Gong |
+| [HADOOP-9194](https://issues.apache.org/jira/browse/HADOOP-9194) | RPC Support for QoS | Major | ipc | Luke Lu | Junping Du |
+| [YARN-536](https://issues.apache.org/jira/browse/YARN-536) | Remove ContainerStatus, ContainerState from Container api interface as they will not be called by the container object | Major | . | Xuan Gong | Xuan Gong |
+| [YARN-561](https://issues.apache.org/jira/browse/YARN-561) | Nodemanager should set some key information into the environment of every container that it launches. | Major | . | Hitesh Shah | Xuan Gong |
+| [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 |
+| [HDFS-4305](https://issues.apache.org/jira/browse/HDFS-4305) | Add a configurable limit on number of blocks per file, and min block size | Minor | namenode | Todd Lipcon | Andrew Wang |
+| [YARN-579](https://issues.apache.org/jira/browse/YARN-579) | Make ApplicationToken part of Container's token list to help RM-restart | Major | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
| [HDFS-4659](https://issues.apache.org/jira/browse/HDFS-4659) | Support setting execution bit for regular files | Major | namenode | Brandon Li | Brandon Li |
| [HDFS-4434](https://issues.apache.org/jira/browse/HDFS-4434) | Provide a mapping from INodeId to INode | Major | namenode | Brandon Li | Suresh Srinivas |
-| [HDFS-4305](https://issues.apache.org/jira/browse/HDFS-4305) | Add a configurable limit on number of blocks per file, and min block size | Minor | namenode | Todd Lipcon | Andrew Wang |
-| [HDFS-2802](https://issues.apache.org/jira/browse/HDFS-2802) | Support for RW/RO snapshots in HDFS | Major | namenode | Hari Mankude | Tsz Wo Nicholas Sze |
-| [MAPREDUCE-5304](https://issues.apache.org/jira/browse/MAPREDUCE-5304) | mapreduce.Job killTask/failTask/getTaskCompletionEvents methods have incompatible signature changes | Blocker | . | Alejandro Abdelnur | Karthik Kambatla |
-| [MAPREDUCE-5300](https://issues.apache.org/jira/browse/MAPREDUCE-5300) | Two function signature changes in filecache.DistributedCache | Major | . | Zhijie Shen | Zhijie Shen |
-| [MAPREDUCE-5237](https://issues.apache.org/jira/browse/MAPREDUCE-5237) | ClusterStatus incompatiblity issues with MR1 | Major | . | Zhijie Shen | Zhijie Shen |
+| [HADOOP-9425](https://issues.apache.org/jira/browse/HADOOP-9425) | Add error codes to rpc-response | Major | ipc | Sanjay Radia | Sanjay Radia |
+| [YARN-629](https://issues.apache.org/jira/browse/YARN-629) | Make YarnRemoteException not be rooted at IOException | Major | . | Xuan Gong | Xuan Gong |
+| [YARN-633](https://issues.apache.org/jira/browse/YARN-633) | Change RMAdminProtocol api to throw IOException and YarnRemoteException | Major | . | Xuan Gong | Xuan Gong |
+| [YARN-632](https://issues.apache.org/jira/browse/YARN-632) | Change ContainerManager api to throw IOException and YarnRemoteException | Major | . | Xuan Gong | Xuan Gong |
+| [YARN-631](https://issues.apache.org/jira/browse/YARN-631) | Change ClientRMProtocol api to throw IOException and YarnRemoteException | Major | . | Xuan Gong | Xuan Gong |
+| [YARN-630](https://issues.apache.org/jira/browse/YARN-630) | Change AMRMProtocol api to throw IOException and YarnRemoteException | Major | . | Xuan Gong | Xuan Gong |
+| [MAPREDUCE-4067](https://issues.apache.org/jira/browse/MAPREDUCE-4067) | Replace YarnRemoteException with IOException in MRv2 APIs | Critical | . | Jitendra Nath Pandey | Xuan Gong |
+| [YARN-615](https://issues.apache.org/jira/browse/YARN-615) | ContainerLaunchContext.containerTokens should simply be called tokens | Major | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
| [MAPREDUCE-5234](https://issues.apache.org/jira/browse/MAPREDUCE-5234) | Signature changes for getTaskId of TaskReport in mapred | Major | . | Zhijie Shen | Mayank Bansal |
+| [MAPREDUCE-5156](https://issues.apache.org/jira/browse/MAPREDUCE-5156) | Hadoop-examples-1.x.x.jar cannot run on Yarn | Blocker | . | Zhijie Shen | Zhijie Shen |
| [MAPREDUCE-5233](https://issues.apache.org/jira/browse/MAPREDUCE-5233) | Functions are changed or removed from Job in jobcontrol | Major | . | Zhijie Shen | Mayank Bansal |
+| [YARN-571](https://issues.apache.org/jira/browse/YARN-571) | User should not be part of ContainerLaunchContext | Major | . | Hitesh Shah | Omkar Vinit Joshi |
+| [MAPREDUCE-5237](https://issues.apache.org/jira/browse/MAPREDUCE-5237) | ClusterStatus incompatiblity issues with MR1 | Major | . | Zhijie Shen | Zhijie Shen |
+| [YARN-716](https://issues.apache.org/jira/browse/YARN-716) | Make ApplicationID immutable | Major | . | Siddharth Seth | Siddharth Seth |
+| [YARN-684](https://issues.apache.org/jira/browse/YARN-684) | ContainerManager.startContainer needs to only have ContainerTokenIdentifier instead of the whole Container | Major | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
| [MAPREDUCE-5176](https://issues.apache.org/jira/browse/MAPREDUCE-5176) | Preemptable annotations (to support preemption in MR) | Major | mrv2 | Carlo Curino | Carlo Curino |
-| [MAPREDUCE-5156](https://issues.apache.org/jira/browse/MAPREDUCE-5156) | Hadoop-examples-1.x.x.jar cannot run on Yarn | Blocker | . | Zhijie Shen | Zhijie Shen |
+| [YARN-735](https://issues.apache.org/jira/browse/YARN-735) | Make ApplicationAttemptID, ContainerID, NodeID immutable | Major | . | Jian He | Jian He |
+| [YARN-749](https://issues.apache.org/jira/browse/YARN-749) | Rename ResourceRequest (get,set)HostName to (get,set)ResourceName | Major | . | Arun C Murthy | Arun C Murthy |
+| [YARN-720](https://issues.apache.org/jira/browse/YARN-720) | container-log4j.properties should not refer to mapreduce properties | Major | . | Siddharth Seth | Zhijie Shen |
+| [MAPREDUCE-5300](https://issues.apache.org/jira/browse/MAPREDUCE-5300) | Two function signature changes in filecache.DistributedCache | Major | . | Zhijie Shen | Zhijie Shen |
+| [YARN-748](https://issues.apache.org/jira/browse/YARN-748) | Move BuilderUtils from yarn-common to yarn-server-common | Major | . | Jian He | Jian He |
+| [YARN-635](https://issues.apache.org/jira/browse/YARN-635) | Rename YarnRemoteException to YarnException | Major | . | Xuan Gong | Siddharth Seth |
+| [YARN-755](https://issues.apache.org/jira/browse/YARN-755) | Rename AllocateResponse.reboot to AllocateResponse.resync | Major | . | Bikas Saha | Bikas Saha |
+| [YARN-756](https://issues.apache.org/jira/browse/YARN-756) | Move PreemptionContainer/PremptionContract/PreemptionMessage/StrictPreemptionContract/PreemptionResourceRequest to api.records | Major | . | Jian He | Jian He |
+| [YARN-753](https://issues.apache.org/jira/browse/YARN-753) | Add individual factory method for api protocol records | Major | . | Jian He | Jian He |
+| [YARN-724](https://issues.apache.org/jira/browse/YARN-724) | Move ProtoBase from api.records to api.records.impl.pb | Major | . | Jian He | Jian He |
+| [YARN-777](https://issues.apache.org/jira/browse/YARN-777) | Remove unreferenced objects from proto | Major | . | Jian He | Jian He |
+| [YARN-642](https://issues.apache.org/jira/browse/YARN-642) | Fix up /nodes REST API to have 1 param and be consistent with the Java API | Major | api, resourcemanager | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9630](https://issues.apache.org/jira/browse/HADOOP-9630) | Remove IpcSerializationType | Major | ipc | Luke Lu | Junping Du |
+| [MAPREDUCE-5304](https://issues.apache.org/jira/browse/MAPREDUCE-5304) | mapreduce.Job killTask/failTask/getTaskCompletionEvents methods have incompatible signature changes | Blocker | . | Alejandro Abdelnur | Karthik Kambatla |
+| [YARN-530](https://issues.apache.org/jira/browse/YARN-530) | Define Service model strictly, implement AbstractService for robust subclassing, migrate yarn-common services | Major | . | Steve Loughran | Steve Loughran |
+| [YARN-746](https://issues.apache.org/jira/browse/YARN-746) | rename Service.register() and Service.unregister() to registerServiceListener() & unregisterServiceListener() respectively | Major | . | Steve Loughran | Steve Loughran |
+| [YARN-792](https://issues.apache.org/jira/browse/YARN-792) | Move NodeHealthStatus from yarn.api.record to yarn.server.api.record | Major | . | Jian He | Jian He |
+| [YARN-806](https://issues.apache.org/jira/browse/YARN-806) | Move ContainerExitStatus from yarn.api to yarn.api.records | Major | . | Jian He | Jian He |
| [MAPREDUCE-4942](https://issues.apache.org/jira/browse/MAPREDUCE-4942) | mapreduce.Job has a bunch of methods that throw InterruptedException so its incompatible with MR1 | Major | mrv2 | Robert Kanter | Robert Kanter |
-| [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 |
-| [MAPREDUCE-4067](https://issues.apache.org/jira/browse/MAPREDUCE-4067) | Replace YarnRemoteException with IOException in MRv2 APIs | Critical | . | Jitendra Nath Pandey | Xuan Gong |
-| [YARN-1056](https://issues.apache.org/jira/browse/YARN-1056) | Fix configs yarn.resourcemanager.resourcemanager.connect.{max.wait.secs\|retry\_interval.secs} | Trivial | . | Karthik Kambatla | Karthik Kambatla |
-| [YARN-926](https://issues.apache.org/jira/browse/YARN-926) | ContainerManagerProtcol APIs should take in requests for multiple containers | Blocker | . | Vinod Kumar Vavilapalli | Jian He |
-| [YARN-918](https://issues.apache.org/jira/browse/YARN-918) | ApplicationMasterProtocol doesn't need ApplicationAttemptId in the payload after YARN-701 | Blocker | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
-| [YARN-869](https://issues.apache.org/jira/browse/YARN-869) | ResourceManagerAdministrationProtocol should neither be public(yet) nor in yarn.api | Blocker | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
-| [YARN-851](https://issues.apache.org/jira/browse/YARN-851) | Share NMTokens using NMTokenCache (api-based) instead of memory based approach which is used currently. | Major | . | Omkar Vinit Joshi | Omkar Vinit Joshi |
-| [YARN-841](https://issues.apache.org/jira/browse/YARN-841) | Annotate and document AuxService APIs | Major | . | Siddharth Seth | Vinod Kumar Vavilapalli |
-| [YARN-840](https://issues.apache.org/jira/browse/YARN-840) | Move ProtoUtils to yarn.api.records.pb.impl | Major | . | Jian He | Jian He |
-| [YARN-837](https://issues.apache.org/jira/browse/YARN-837) | ClusterInfo.java doesn't seem to belong to org.apache.hadoop.yarn | Major | . | Zhijie Shen | Zhijie Shen |
-| [YARN-834](https://issues.apache.org/jira/browse/YARN-834) | Review/fix annotations for yarn-client module and clearly differentiate \*Async apis | Blocker | . | Arun C Murthy | Zhijie Shen |
-| [YARN-831](https://issues.apache.org/jira/browse/YARN-831) | Remove resource min from GetNewApplicationResponse | Blocker | . | Jian He | Jian He |
+| [HDFS-4866](https://issues.apache.org/jira/browse/HDFS-4866) | Protocol buffer support cannot compile under C | Blocker | namenode | Ralph Castain | Arpit Agarwal |
+| [YARN-821](https://issues.apache.org/jira/browse/YARN-821) | Rename FinishApplicationMasterRequest.setFinishApplicationStatus to setFinalApplicationStatus to be consistent with getter | Major | . | Jian He | Jian He |
+| [YARN-787](https://issues.apache.org/jira/browse/YARN-787) | Remove resource min from Yarn client API | Blocker | api | Alejandro Abdelnur | Alejandro Abdelnur |
| [YARN-829](https://issues.apache.org/jira/browse/YARN-829) | Rename RMTokenSelector to be RMDelegationTokenSelector | Major | . | Zhijie Shen | Zhijie Shen |
| [YARN-828](https://issues.apache.org/jira/browse/YARN-828) | Remove YarnVersionAnnotation | Major | . | Zhijie Shen | Zhijie Shen |
-| [YARN-826](https://issues.apache.org/jira/browse/YARN-826) | Move Clock/SystemClock to util package | Major | . | Zhijie Shen | Zhijie Shen |
-| [YARN-824](https://issues.apache.org/jira/browse/YARN-824) | Add static factory to yarn client lib interface and change it to abstract class | Major | . | Jian He | Jian He |
| [YARN-823](https://issues.apache.org/jira/browse/YARN-823) | Move RMAdmin from yarn.client to yarn.client.cli and rename as RMAdminCLI | Major | . | Jian He | Jian He |
+| [YARN-387](https://issues.apache.org/jira/browse/YARN-387) | Fix inconsistent protocol naming | Blocker | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
+| [YARN-831](https://issues.apache.org/jira/browse/YARN-831) | Remove resource min from GetNewApplicationResponse | Blocker | . | Jian He | Jian He |
+| [YARN-824](https://issues.apache.org/jira/browse/YARN-824) | Add static factory to yarn client lib interface and change it to abstract class | Major | . | Jian He | Jian He |
+| [YARN-826](https://issues.apache.org/jira/browse/YARN-826) | Move Clock/SystemClock to util package | Major | . | Zhijie Shen | Zhijie Shen |
+| [HADOOP-9649](https://issues.apache.org/jira/browse/HADOOP-9649) | Promote YARN service life-cycle libraries into Hadoop Common | Blocker | . | Zhijie Shen | Zhijie Shen |
+| [YARN-837](https://issues.apache.org/jira/browse/YARN-837) | ClusterInfo.java doesn't seem to belong to org.apache.hadoop.yarn | Major | . | Zhijie Shen | Zhijie Shen |
| [YARN-822](https://issues.apache.org/jira/browse/YARN-822) | Rename ApplicationToken to AMRMToken | Major | . | Omkar Vinit Joshi | Omkar Vinit Joshi |
-| [YARN-821](https://issues.apache.org/jira/browse/YARN-821) | Rename FinishApplicationMasterRequest.setFinishApplicationStatus to setFinalApplicationStatus to be consistent with getter | Major | . | Jian He | Jian He |
-| [YARN-806](https://issues.apache.org/jira/browse/YARN-806) | Move ContainerExitStatus from yarn.api to yarn.api.records | Major | . | Jian He | Jian He |
-| [YARN-792](https://issues.apache.org/jira/browse/YARN-792) | Move NodeHealthStatus from yarn.api.record to yarn.server.api.record | Major | . | Jian He | Jian He |
-| [YARN-791](https://issues.apache.org/jira/browse/YARN-791) | Ensure that RM RPC APIs that return nodes are consistent with /nodes REST API | Blocker | api, resourcemanager | Sandy Ryza | Sandy Ryza |
-| [YARN-787](https://issues.apache.org/jira/browse/YARN-787) | Remove resource min from Yarn client API | Blocker | api | Alejandro Abdelnur | Alejandro Abdelnur |
-| [YARN-777](https://issues.apache.org/jira/browse/YARN-777) | Remove unreferenced objects from proto | Major | . | Jian He | Jian He |
-| [YARN-756](https://issues.apache.org/jira/browse/YARN-756) | Move PreemptionContainer/PremptionContract/PreemptionMessage/StrictPreemptionContract/PreemptionResourceRequest to api.records | Major | . | Jian He | Jian He |
-| [YARN-755](https://issues.apache.org/jira/browse/YARN-755) | Rename AllocateResponse.reboot to AllocateResponse.resync | Major | . | Bikas Saha | Bikas Saha |
-| [YARN-753](https://issues.apache.org/jira/browse/YARN-753) | Add individual factory method for api protocol records | Major | . | Jian He | Jian He |
-| [YARN-749](https://issues.apache.org/jira/browse/YARN-749) | Rename ResourceRequest (get,set)HostName to (get,set)ResourceName | Major | . | Arun C Murthy | Arun C Murthy |
-| [YARN-748](https://issues.apache.org/jira/browse/YARN-748) | Move BuilderUtils from yarn-common to yarn-server-common | Major | . | Jian He | Jian He |
-| [YARN-746](https://issues.apache.org/jira/browse/YARN-746) | rename Service.register() and Service.unregister() to registerServiceListener() & unregisterServiceListener() respectively | Major | . | Steve Loughran | Steve Loughran |
-| [YARN-735](https://issues.apache.org/jira/browse/YARN-735) | Make ApplicationAttemptID, ContainerID, NodeID immutable | Major | . | Jian He | Jian He |
-| [YARN-724](https://issues.apache.org/jira/browse/YARN-724) | Move ProtoBase from api.records to api.records.impl.pb | Major | . | Jian He | Jian He |
-| [YARN-720](https://issues.apache.org/jira/browse/YARN-720) | container-log4j.properties should not refer to mapreduce properties | Major | . | Siddharth Seth | Zhijie Shen |
-| [YARN-716](https://issues.apache.org/jira/browse/YARN-716) | Make ApplicationID immutable | Major | . | Siddharth Seth | Siddharth Seth |
-| [YARN-701](https://issues.apache.org/jira/browse/YARN-701) | ApplicationTokens should be used irrespective of kerberos | Blocker | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
-| [YARN-694](https://issues.apache.org/jira/browse/YARN-694) | Start using NMTokens to authenticate all communication with NM | Major | . | Omkar Vinit Joshi | Omkar Vinit Joshi |
-| [YARN-684](https://issues.apache.org/jira/browse/YARN-684) | ContainerManager.startContainer needs to only have ContainerTokenIdentifier instead of the whole Container | Major | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
-| [YARN-642](https://issues.apache.org/jira/browse/YARN-642) | Fix up /nodes REST API to have 1 param and be consistent with the Java API | Major | api, resourcemanager | Sandy Ryza | Sandy Ryza |
-| [YARN-635](https://issues.apache.org/jira/browse/YARN-635) | Rename YarnRemoteException to YarnException | Major | . | Xuan Gong | Siddharth Seth |
-| [YARN-633](https://issues.apache.org/jira/browse/YARN-633) | Change RMAdminProtocol api to throw IOException and YarnRemoteException | Major | . | Xuan Gong | Xuan Gong |
-| [YARN-632](https://issues.apache.org/jira/browse/YARN-632) | Change ContainerManager api to throw IOException and YarnRemoteException | Major | . | Xuan Gong | Xuan Gong |
-| [YARN-631](https://issues.apache.org/jira/browse/YARN-631) | Change ClientRMProtocol api to throw IOException and YarnRemoteException | Major | . | Xuan Gong | Xuan Gong |
-| [YARN-630](https://issues.apache.org/jira/browse/YARN-630) | Change AMRMProtocol api to throw IOException and YarnRemoteException | Major | . | Xuan Gong | Xuan Gong |
-| [YARN-629](https://issues.apache.org/jira/browse/YARN-629) | Make YarnRemoteException not be rooted at IOException | Major | . | Xuan Gong | Xuan Gong |
-| [YARN-615](https://issues.apache.org/jira/browse/YARN-615) | ContainerLaunchContext.containerTokens should simply be called tokens | Major | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
| [YARN-610](https://issues.apache.org/jira/browse/YARN-610) | ClientToken (ClientToAMToken) should not be set in the environment | Blocker | . | Siddharth Seth | Omkar Vinit Joshi |
-| [YARN-579](https://issues.apache.org/jira/browse/YARN-579) | Make ApplicationToken part of Container's token list to help RM-restart | Major | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
-| [YARN-571](https://issues.apache.org/jira/browse/YARN-571) | User should not be part of ContainerLaunchContext | Major | . | Hitesh Shah | Omkar Vinit Joshi |
-| [YARN-561](https://issues.apache.org/jira/browse/YARN-561) | Nodemanager should set some key information into the environment of every container that it launches. | Major | . | Hitesh Shah | Xuan Gong |
+| [YARN-834](https://issues.apache.org/jira/browse/YARN-834) | Review/fix annotations for yarn-client module and clearly differentiate \*Async apis | Blocker | . | Arun C Murthy | Zhijie Shen |
+| [YARN-840](https://issues.apache.org/jira/browse/YARN-840) | Move ProtoUtils to yarn.api.records.pb.impl | Major | . | Jian He | Jian He |
+| [YARN-841](https://issues.apache.org/jira/browse/YARN-841) | Annotate and document AuxService APIs | Major | . | Siddharth Seth | Vinod Kumar Vavilapalli |
+| [YARN-694](https://issues.apache.org/jira/browse/YARN-694) | Start using NMTokens to authenticate all communication with NM | Major | . | Omkar Vinit Joshi | Omkar Vinit Joshi |
| [YARN-553](https://issues.apache.org/jira/browse/YARN-553) | Have YarnClient generate a directly usable ApplicationSubmissionContext | Minor | client | Harsh J | Karthik Kambatla |
-| [YARN-536](https://issues.apache.org/jira/browse/YARN-536) | Remove ContainerStatus, ContainerState from Container api interface as they will not be called by the container object | Major | . | Xuan Gong | Xuan Gong |
-| [YARN-530](https://issues.apache.org/jira/browse/YARN-530) | Define Service model strictly, implement AbstractService for robust subclassing, migrate yarn-common services | Major | . | Steve Loughran | Steve Loughran |
-| [YARN-440](https://issues.apache.org/jira/browse/YARN-440) | Flatten RegisterNodeManagerResponse | Major | . | Siddharth Seth | Xuan Gong |
-| [YARN-439](https://issues.apache.org/jira/browse/YARN-439) | Flatten NodeHeartbeatResponse | Major | . | Siddharth Seth | Xuan Gong |
-| [YARN-396](https://issues.apache.org/jira/browse/YARN-396) | Rationalize AllocateResponse in RM scheduler API | Major | . | Bikas Saha | Zhijie Shen |
-| [YARN-387](https://issues.apache.org/jira/browse/YARN-387) | Fix inconsistent protocol naming | Blocker | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
-
-
-### IMPORTANT ISSUES:
-
-| JIRA | Summary | Priority | Component | Reporter | Contributor |
-|:---- |:---- | :--- |:---- |:---- |:---- |
+| [YARN-851](https://issues.apache.org/jira/browse/YARN-851) | Share NMTokens using NMTokenCache (api-based) instead of memory based approach which is used currently. | Major | . | Omkar Vinit Joshi | Omkar Vinit Joshi |
+| [HADOOP-9421](https://issues.apache.org/jira/browse/HADOOP-9421) | Convert SASL to use ProtoBuf and provide negotiation capabilities | Blocker | . | Sanjay Radia | Daryn Sharp |
+| [YARN-869](https://issues.apache.org/jira/browse/YARN-869) | ResourceManagerAdministrationProtocol should neither be public(yet) nor in yarn.api | Blocker | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
+| [YARN-791](https://issues.apache.org/jira/browse/YARN-791) | Ensure that RM RPC APIs that return nodes are consistent with /nodes REST API | Blocker | api, resourcemanager | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9683](https://issues.apache.org/jira/browse/HADOOP-9683) | Wrap IpcConnectionContext in RPC headers | Blocker | ipc | Luke Lu | Daryn Sharp |
+| [YARN-701](https://issues.apache.org/jira/browse/YARN-701) | ApplicationTokens should be used irrespective of kerberos | Blocker | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
+| [YARN-918](https://issues.apache.org/jira/browse/YARN-918) | ApplicationMasterProtocol doesn't need ApplicationAttemptId in the payload after YARN-701 | Blocker | . | Vinod Kumar Vavilapalli | Vinod Kumar Vavilapalli |
+| [YARN-926](https://issues.apache.org/jira/browse/YARN-926) | ContainerManagerProtcol APIs should take in requests for multiple containers | Blocker | . | Vinod Kumar Vavilapalli | Jian He |
+| [HADOOP-9698](https://issues.apache.org/jira/browse/HADOOP-9698) | RPCv9 client must honor server's SASL negotiate response | Blocker | ipc | Daryn Sharp | Daryn Sharp |
+| [HADOOP-9832](https://issues.apache.org/jira/browse/HADOOP-9832) | Add RPC header to client ping | Blocker | ipc | Daryn Sharp | Daryn Sharp |
+| [HADOOP-9820](https://issues.apache.org/jira/browse/HADOOP-9820) | RPCv9 wire protocol is insufficient to support multiplexing | Blocker | ipc, security | Daryn Sharp | Daryn Sharp |
+| [HDFS-5083](https://issues.apache.org/jira/browse/HDFS-5083) | Update the HDFS compatibility version range | Blocker | . | Kihwal Lee | Kihwal Lee |
+| [YARN-1056](https://issues.apache.org/jira/browse/YARN-1056) | Fix configs yarn.resourcemanager.resourcemanager.connect.{max.wait.secs\|retry\_interval.secs} | Trivial | . | Karthik Kambatla | Karthik Kambatla |
+| [HDFS-2802](https://issues.apache.org/jira/browse/HDFS-2802) | Support for RW/RO snapshots in HDFS | Major | namenode | Hari Mankude | Tsz Wo Nicholas Sze |
### NEW FEATURES:
| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-9763](https://issues.apache.org/jira/browse/HADOOP-9763) | Extends LightWeightGSet to support eviction of expired elements | Major | util | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-9515](https://issues.apache.org/jira/browse/HADOOP-9515) | Add general interface for NFS and Mount | Major | . | Brandon Li | Brandon Li |
-| [HADOOP-9509](https://issues.apache.org/jira/browse/HADOOP-9509) | Implement ONCRPC and XDR | Major | . | Brandon Li | Brandon Li |
+| [HDFS-4124](https://issues.apache.org/jira/browse/HDFS-4124) | Refactor INodeDirectory#getExistingPathINodes() to enable returning more than INode array | Minor | . | Jing Zhao | Jing Zhao |
| [HADOOP-9283](https://issues.apache.org/jira/browse/HADOOP-9283) | Add support for running the Hadoop client on AIX | Major | security | Aaron T. Myers | Aaron T. Myers |
| [HADOOP-9209](https://issues.apache.org/jira/browse/HADOOP-9209) | Add shell command to dump file checksums | Major | fs, tools | Todd Lipcon | Todd Lipcon |
+| [HDFS-1804](https://issues.apache.org/jira/browse/HDFS-1804) | Add a new block-volume device choosing policy that looks at free space | Minor | datanode | Harsh J | Aaron T. Myers |
+| [MAPREDUCE-5129](https://issues.apache.org/jira/browse/MAPREDUCE-5129) | Add tag info to JH files | Minor | . | Billie Rinaldi | Billie Rinaldi |
+| [HDFS-2576](https://issues.apache.org/jira/browse/HDFS-2576) | Namenode should have a favored nodes hint to enable clients to have control over block placement. | Major | hdfs-client, namenode | Pritam Damania | Devaraj Das |
| [HADOOP-8562](https://issues.apache.org/jira/browse/HADOOP-8562) | Enhancements to support Hadoop on Windows Server and Windows Azure environments | Major | . | Bikas Saha | Bikas Saha |
-| [HADOOP-8040](https://issues.apache.org/jira/browse/HADOOP-8040) | Add symlink support to FileSystem | Major | fs | Eli Collins | Andrew Wang |
-| [HDFS-4249](https://issues.apache.org/jira/browse/HDFS-4249) | Add status NameNode startup to webUI | Major | namenode | Suresh Srinivas | Chris Nauroth |
-| [HDFS-4124](https://issues.apache.org/jira/browse/HDFS-4124) | Refactor INodeDirectory#getExistingPathINodes() to enable returning more than INode array | Minor | . | Jing Zhao | Jing Zhao |
| [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 |
-| [HDFS-3278](https://issues.apache.org/jira/browse/HDFS-3278) | Umbrella Jira for HDFS-HA Phase 2 | Major | . | Sanjay Radia | Todd Lipcon |
-| [HDFS-2576](https://issues.apache.org/jira/browse/HDFS-2576) | Namenode should have a favored nodes hint to enable clients to have control over block placement. | Major | hdfs-client, namenode | Pritam Damania | Devaraj Das |
-| [HDFS-1804](https://issues.apache.org/jira/browse/HDFS-1804) | Add a new block-volume device choosing policy that looks at free space | Minor | datanode | Harsh J | Aaron T. Myers |
-| [MAPREDUCE-5298](https://issues.apache.org/jira/browse/MAPREDUCE-5298) | Move MapReduce services to YARN-117 stricter lifecycle | Major | applicationmaster | Steve Loughran | Steve Loughran |
-| [MAPREDUCE-5129](https://issues.apache.org/jira/browse/MAPREDUCE-5129) | Add tag info to JH files | Minor | . | Billie Rinaldi | Billie Rinaldi |
| [YARN-326](https://issues.apache.org/jira/browse/YARN-326) | Add multi-resource scheduling to the fair scheduler | Major | scheduler | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9509](https://issues.apache.org/jira/browse/HADOOP-9509) | Implement ONCRPC and XDR | Major | . | Brandon Li | Brandon Li |
+| [MAPREDUCE-5298](https://issues.apache.org/jira/browse/MAPREDUCE-5298) | Move MapReduce services to YARN-117 stricter lifecycle | Major | applicationmaster | Steve Loughran | Steve Loughran |
+| [HADOOP-9515](https://issues.apache.org/jira/browse/HADOOP-9515) | Add general interface for NFS and Mount | Major | . | Brandon Li | Brandon Li |
+| [HDFS-4249](https://issues.apache.org/jira/browse/HDFS-4249) | Add status NameNode startup to webUI | Major | namenode | Suresh Srinivas | Chris Nauroth |
+| [HADOOP-8040](https://issues.apache.org/jira/browse/HADOOP-8040) | Add symlink support to FileSystem | Major | fs | Eli Collins | Andrew Wang |
+| [HADOOP-9763](https://issues.apache.org/jira/browse/HADOOP-9763) | Extends LightWeightGSet to support eviction of expired elements | Major | util | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-3278](https://issues.apache.org/jira/browse/HDFS-3278) | Umbrella Jira for HDFS-HA Phase 2 | Major | . | Sanjay Radia | Todd Lipcon |
### IMPROVEMENTS:
| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-9845](https://issues.apache.org/jira/browse/HADOOP-9845) | Update protobuf to 2.5 from 2.4.x | Blocker | performance | stack | Alejandro Abdelnur |
-| [HADOOP-9792](https://issues.apache.org/jira/browse/HADOOP-9792) | Retry the methods that are tagged @AtMostOnce along with @Idempotent | Major | ipc | Suresh Srinivas | Suresh Srinivas |
-| [HADOOP-9770](https://issues.apache.org/jira/browse/HADOOP-9770) | Make RetryCache#state non volatile | Minor | util | Suresh Srinivas | Suresh Srinivas |
-| [HADOOP-9762](https://issues.apache.org/jira/browse/HADOOP-9762) | RetryCache utility for implementing RPC retries | Major | util | Suresh Srinivas | Suresh Srinivas |
-| [HADOOP-9760](https://issues.apache.org/jira/browse/HADOOP-9760) | Move GSet and LightWeightGSet to hadoop-common | Major | util | Suresh Srinivas | Suresh Srinivas |
-| [HADOOP-9756](https://issues.apache.org/jira/browse/HADOOP-9756) | Additional cleanup RPC code | Minor | ipc | Junping Du | Junping Du |
-| [HADOOP-9754](https://issues.apache.org/jira/browse/HADOOP-9754) | Clean up RPC code | Minor | ipc | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-9751](https://issues.apache.org/jira/browse/HADOOP-9751) | Add clientId and retryCount to RpcResponseHeaderProto | Major | ipc | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-9734](https://issues.apache.org/jira/browse/HADOOP-9734) | Common protobuf definitions for GetUserMappingsProtocol, RefreshAuthorizationPolicyProtocol and RefreshUserMappingsProtocol | Minor | ipc | Jason Lowe | Jason Lowe |
-| [HADOOP-9717](https://issues.apache.org/jira/browse/HADOOP-9717) | Add retry attempt count to the RPC requests | Major | ipc | Suresh Srinivas | Jing Zhao |
-| [HADOOP-9716](https://issues.apache.org/jira/browse/HADOOP-9716) | Move the Rpc request call ID generation to client side InvocationHandler | Major | ipc | Suresh Srinivas | Tsz Wo Nicholas Sze |
-| [HADOOP-9691](https://issues.apache.org/jira/browse/HADOOP-9691) | RPC clients can generate call ID using AtomicInteger instead of synchronizing on the Client instance. | Minor | ipc | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9688](https://issues.apache.org/jira/browse/HADOOP-9688) | Add globally unique Client ID to RPC requests | Blocker | ipc | Suresh Srinivas | Suresh Srinivas |
-| [HADOOP-9676](https://issues.apache.org/jira/browse/HADOOP-9676) | make maximum RPC buffer size configurable | Minor | . | Colin Patrick McCabe | Colin Patrick McCabe |
-| [HADOOP-9673](https://issues.apache.org/jira/browse/HADOOP-9673) | NetworkTopology: when a node can't be added, print out its location for diagnostic purposes | Trivial | net | Colin Patrick McCabe | Colin Patrick McCabe |
-| [HADOOP-9661](https://issues.apache.org/jira/browse/HADOOP-9661) | Allow metrics sources to be extended | Major | metrics | Sandy Ryza | Sandy Ryza |
-| [HADOOP-9625](https://issues.apache.org/jira/browse/HADOOP-9625) | HADOOP\_OPTS not picked up by hadoop command | Minor | bin, conf | Paul Han | Paul Han |
-| [HADOOP-9605](https://issues.apache.org/jira/browse/HADOOP-9605) | Update junit dependency | Major | build | Timothy St. Clair | |
-| [HADOOP-9604](https://issues.apache.org/jira/browse/HADOOP-9604) | Wrong Javadoc of FSDataOutputStream | Minor | fs | Jingguo Yao | Jingguo Yao |
-| [HADOOP-9560](https://issues.apache.org/jira/browse/HADOOP-9560) | metrics2#JvmMetrics should have max memory size of JVM | Minor | metrics | Tsuyoshi Ozawa | Tsuyoshi Ozawa |
-| [HADOOP-9523](https://issues.apache.org/jira/browse/HADOOP-9523) | Provide a generic IBM java vendor flag in PlatformName.java to support non-Sun JREs | Major | . | Tian Hong Wang | Tian Hong Wang |
-| [HADOOP-9511](https://issues.apache.org/jira/browse/HADOOP-9511) | Adding support for additional input streams (FSDataInputStream and RandomAccessFile) in SecureIOUtils. | Major | . | Omkar Vinit Joshi | Omkar Vinit Joshi |
-| [HADOOP-9503](https://issues.apache.org/jira/browse/HADOOP-9503) | Remove sleep between IPC client connect timeouts | Minor | ipc | Varun Sharma | Varun Sharma |
-| [HADOOP-9483](https://issues.apache.org/jira/browse/HADOOP-9483) | winutils support for readlink command | Major | util | Chris Nauroth | Arpit Agarwal |
-| [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 |
-| [HADOOP-9401](https://issues.apache.org/jira/browse/HADOOP-9401) | CodecPool: Add counters for number of (de)compressors leased out | Major | . | Karthik Kambatla | Karthik Kambatla |
-| [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 |
+| [HDFS-2572](https://issues.apache.org/jira/browse/HDFS-2572) | Unnecessary double-check in DN#getHostName | Trivial | datanode | Harsh J | Harsh J |
+| [HDFS-2857](https://issues.apache.org/jira/browse/HDFS-2857) | Cleanup BlockInfo class | Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [MAPREDUCE-3787](https://issues.apache.org/jira/browse/MAPREDUCE-3787) | [Gridmix] Improve STRESS mode | Major | contrib/gridmix | Amar Kamat | Amar Kamat |
+| [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 |
+| [HADOOP-8415](https://issues.apache.org/jira/browse/HADOOP-8415) | getDouble() and setDouble() in org.apache.hadoop.conf.Configuration | Minor | conf | Jan van der Lugt | Jan van der Lugt |
+| [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 |
+| [HDFS-3817](https://issues.apache.org/jira/browse/HDFS-3817) | avoid printing stack information for SafeModeException | Major | namenode | Brandon Li | Brandon Li |
+| [HDFS-3880](https://issues.apache.org/jira/browse/HDFS-3880) | Use Builder to get RPC server in HDFS | Minor | datanode, ha, namenode, security | Brandon Li | Brandon Li |
+| [YARN-84](https://issues.apache.org/jira/browse/YARN-84) | Use Builder to get RPC server in YARN | Minor | . | Brandon Li | Brandon Li |
+| [HDFS-4053](https://issues.apache.org/jira/browse/HDFS-4053) | Increase the default block size | Major | . | Eli Collins | Eli Collins |
+| [HDFS-4151](https://issues.apache.org/jira/browse/HDFS-4151) | Passing INodesInPath instead of INode[] in FSDirectory | Minor | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-4152](https://issues.apache.org/jira/browse/HDFS-4152) | Add a new class for the parameter in INode.collectSubtreeBlocksAndClear(..) | Minor | namenode | Tsz Wo Nicholas Sze | Jing Zhao |
+| [HDFS-4206](https://issues.apache.org/jira/browse/HDFS-4206) | Change the fields in INode and its subclasses to private | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-4215](https://issues.apache.org/jira/browse/HDFS-4215) | Improvements on INode and image loading | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-4234](https://issues.apache.org/jira/browse/HDFS-4234) | Use the generic code for choosing datanode in Balancer | Minor | balancer & mover | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-8924](https://issues.apache.org/jira/browse/HADOOP-8924) | Add maven plugin alternative to shell script to save package-info.java | Major | build | Chris Nauroth | Chris Nauroth |
+| [YARN-385](https://issues.apache.org/jira/browse/YARN-385) | ResourceRequestPBImpl's toString() is missing location and # containers | Major | api | Sandy Ryza | Sandy Ryza |
+| [MAPREDUCE-4989](https://issues.apache.org/jira/browse/MAPREDUCE-4989) | JSONify DataTables input data for Attempts page | Major | jobhistoryserver, mr-am | Ravi Prakash | Ravi Prakash |
+| [YARN-249](https://issues.apache.org/jira/browse/YARN-249) | Capacity Scheduler web page should show list of active users per queue like it used to (in 1.x) | Major | capacityscheduler | Ravi Prakash | Ravi Prakash |
+| [YARN-391](https://issues.apache.org/jira/browse/YARN-391) | detabify LCEResourcesHandler classes | Trivial | nodemanager | Steve Loughran | Steve Loughran |
+| [HADOOP-9117](https://issues.apache.org/jira/browse/HADOOP-9117) | replace protoc ant plugin exec with a maven plugin | Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
+| [MAPREDUCE-4846](https://issues.apache.org/jira/browse/MAPREDUCE-4846) | Some JobQueueInfo methods are public in MR1 but protected in MR2 | Major | client | Sandy Ryza | Sandy Ryza |
+| [HDFS-4304](https://issues.apache.org/jira/browse/HDFS-4304) | Make FSEditLogOp.MAX\_OP\_SIZE configurable | Major | namenode | Todd Lipcon | Colin P. McCabe |
+| [HADOOP-9279](https://issues.apache.org/jira/browse/HADOOP-9279) | Document the need to build hadoop-maven-plugins for eclipse and separate project builds | Major | build, documentation | Tsuyoshi Ozawa | Tsuyoshi Ozawa |
+| [HADOOP-9334](https://issues.apache.org/jira/browse/HADOOP-9334) | Update netty version | Minor | build | Nicolas Liochon | Nicolas Liochon |
+| [MAPREDUCE-5033](https://issues.apache.org/jira/browse/MAPREDUCE-5033) | mapred shell script should respect usage flags (--help -help -h) | Minor | . | Andrew Wang | Andrew Wang |
+| [HADOOP-9336](https://issues.apache.org/jira/browse/HADOOP-9336) | Allow UGI of current connection to be queried | Critical | ipc | Daryn Sharp | Daryn Sharp |
+| [YARN-406](https://issues.apache.org/jira/browse/YARN-406) | TestRackResolver fails when local network resolves "host1" to a valid host | Minor | . | Hitesh Shah | Hitesh Shah |
| [HADOOP-9352](https://issues.apache.org/jira/browse/HADOOP-9352) | Expose UGI.setLoginUser for tests | Major | security | Daryn Sharp | Daryn Sharp |
| [HADOOP-9343](https://issues.apache.org/jira/browse/HADOOP-9343) | Allow additional exceptions through the RPC layer | Major | . | Siddharth Seth | Siddharth Seth |
-| [HADOOP-9338](https://issues.apache.org/jira/browse/HADOOP-9338) | FsShell Copy Commands Should Optionally Preserve File Attributes | Major | fs | Nick White | Nick White |
-| [HADOOP-9336](https://issues.apache.org/jira/browse/HADOOP-9336) | Allow UGI of current connection to be queried | Critical | ipc | Daryn Sharp | Daryn Sharp |
-| [HADOOP-9334](https://issues.apache.org/jira/browse/HADOOP-9334) | Update netty version | Minor | build | Nicolas Liochon | Nicolas Liochon |
-| [HADOOP-9322](https://issues.apache.org/jira/browse/HADOOP-9322) | LdapGroupsMapping doesn't seem to set a timeout for its directory search | Minor | security | Harsh J | Harsh J |
-| [HADOOP-9318](https://issues.apache.org/jira/browse/HADOOP-9318) | when exiting on a signal, print the signal name first | Minor | . | Colin Patrick McCabe | Colin Patrick McCabe |
-| [HADOOP-9279](https://issues.apache.org/jira/browse/HADOOP-9279) | Document the need to build hadoop-maven-plugins for eclipse and separate project builds | Major | build, documentation | Tsuyoshi Ozawa | Tsuyoshi Ozawa |
-| [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 |
-| [HADOOP-9227](https://issues.apache.org/jira/browse/HADOOP-9227) | FileSystemContractBaseTest doesn't test filesystem's mkdir/isDirectory() logic rigorously enough | Trivial | fs | Steve Loughran | Steve Loughran |
-| [HADOOP-9164](https://issues.apache.org/jira/browse/HADOOP-9164) | Print paths of loaded native libraries in NativeLibraryChecker | Minor | native | Binglin Chang | Binglin Chang |
-| [HADOOP-9117](https://issues.apache.org/jira/browse/HADOOP-9117) | replace protoc ant plugin exec with a maven plugin | Major | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-8924](https://issues.apache.org/jira/browse/HADOOP-8924) | Add maven plugin alternative to shell script to save package-info.java | Major | build | Chris Nauroth | Chris Nauroth |
-| [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 |
-| [HADOOP-8608](https://issues.apache.org/jira/browse/HADOOP-8608) | Add Configuration API for parsing time durations | Minor | conf | Todd Lipcon | Chris Douglas |
| [HADOOP-8462](https://issues.apache.org/jira/browse/HADOOP-8462) | Native-code implementation of bzip2 codec | Major | io | Govind Kamat | Govind Kamat |
-| [HADOOP-8415](https://issues.apache.org/jira/browse/HADOOP-8415) | getDouble() and setDouble() in org.apache.hadoop.conf.Configuration | Minor | conf | Jan van der Lugt | Jan van der Lugt |
-| [HDFS-5027](https://issues.apache.org/jira/browse/HDFS-5027) | On startup, DN should scan volumes in parallel | Major | datanode | Aaron T. Myers | Aaron T. Myers |
-| [HDFS-5020](https://issues.apache.org/jira/browse/HDFS-5020) | Make DatanodeProtocol#blockReceivedAndDeleted idempotent | Major | namenode | Jing Zhao | Jing Zhao |
-| [HDFS-5010](https://issues.apache.org/jira/browse/HDFS-5010) | Reduce the frequency of getCurrentUser() calls from namenode | Major | namenode, performance | Kihwal Lee | Kihwal Lee |
-| [HDFS-5008](https://issues.apache.org/jira/browse/HDFS-5008) | Make ClientProtocol#abandonBlock() idempotent | Major | namenode | Suresh Srinivas | Jing Zhao |
-| [HDFS-5007](https://issues.apache.org/jira/browse/HDFS-5007) | Replace hard-coded property keys with DFSConfigKeys fields | Minor | . | Kousuke Saruta | Kousuke Saruta |
-| [HDFS-4996](https://issues.apache.org/jira/browse/HDFS-4996) | ClientProtocol#metaSave can be made idempotent by overwriting the output file instead of appending to it | Minor | namenode | Chris Nauroth | Chris Nauroth |
-| [HDFS-4992](https://issues.apache.org/jira/browse/HDFS-4992) | Make balancer's thread count configurable | Major | balancer & mover | Max Lapan | Max Lapan |
-| [HDFS-4978](https://issues.apache.org/jira/browse/HDFS-4978) | Make disallowSnapshot idempotent | Major | . | Jing Zhao | Jing Zhao |
-| [HDFS-4942](https://issues.apache.org/jira/browse/HDFS-4942) | Add retry cache support in Namenode | Major | ha, namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-4932](https://issues.apache.org/jira/browse/HDFS-4932) | Avoid a wide line on the name node webUI if we have more Journal nodes | Minor | ha, namenode | Fengdong Yu | Fengdong Yu |
-| [HDFS-4914](https://issues.apache.org/jira/browse/HDFS-4914) | When possible, Use DFSClient.Conf instead of Configuration | Minor | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-4912](https://issues.apache.org/jira/browse/HDFS-4912) | Cleanup FSNamesystem#startFileInternal | Major | namenode | Suresh Srinivas | Suresh Srinivas |
-| [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 |
-| [HDFS-4848](https://issues.apache.org/jira/browse/HDFS-4848) | copyFromLocal and renaming a file to ".snapshot" should output that ".snapshot" is a reserved name | Minor | snapshots | Stephen Chu | Jing Zhao |
-| [HDFS-4804](https://issues.apache.org/jira/browse/HDFS-4804) | WARN when users set the block balanced preference percent below 0.5 or above 1.0 | Minor | . | Stephen Chu | Stephen Chu |
-| [HDFS-4787](https://issues.apache.org/jira/browse/HDFS-4787) | Create a new HdfsConfiguration before each TestDFSClientRetries testcases | Major | . | Tian Hong Wang | Tian Hong Wang |
-| [HDFS-4772](https://issues.apache.org/jira/browse/HDFS-4772) | Add number of children in HdfsFileStatus | Minor | namenode | Brandon Li | Brandon Li |
-| [HDFS-4721](https://issues.apache.org/jira/browse/HDFS-4721) | Speed up lease/block recovery when DN fails and a block goes into recovery | Major | namenode | Varun Sharma | Varun Sharma |
-| [HDFS-4698](https://issues.apache.org/jira/browse/HDFS-4698) | provide client-side metrics for remote reads, local reads, and short-circuit reads | Minor | hdfs-client | Colin Patrick McCabe | Colin Patrick McCabe |
-| [HDFS-4679](https://issues.apache.org/jira/browse/HDFS-4679) | Namenode operation checks should be done in a consistent manner | Major | namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-4645](https://issues.apache.org/jira/browse/HDFS-4645) | Move from randomly generated block ID to sequentially generated block ID | Major | namenode | Suresh Srinivas | Arpit Agarwal |
-| [HDFS-4635](https://issues.apache.org/jira/browse/HDFS-4635) | Move BlockManager#computeCapacity to LightWeightGSet | Major | namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-4569](https://issues.apache.org/jira/browse/HDFS-4569) | Small image transfer related cleanups. | Trivial | . | Andrew Wang | Andrew Wang |
| [HDFS-4565](https://issues.apache.org/jira/browse/HDFS-4565) | use DFSUtil.getSpnegoKeytabKey() to get the spnego keytab key in secondary namenode and namenode http server | Minor | security | Arpit Gupta | Arpit Gupta |
-| [HDFS-4521](https://issues.apache.org/jira/browse/HDFS-4521) | invalid network topologies should not be cached | Minor | . | Colin Patrick McCabe | Colin Patrick McCabe |
-| [HDFS-4465](https://issues.apache.org/jira/browse/HDFS-4465) | Optimize datanode ReplicasMap and ReplicaInfo | Major | datanode | Suresh Srinivas | Aaron T. Myers |
-| [HDFS-4461](https://issues.apache.org/jira/browse/HDFS-4461) | DirectoryScanner: volume path prefix takes up memory for every block that is scanned | Minor | . | Colin Patrick McCabe | Colin Patrick McCabe |
-| [HDFS-4304](https://issues.apache.org/jira/browse/HDFS-4304) | Make FSEditLogOp.MAX\_OP\_SIZE configurable | Major | namenode | Todd Lipcon | Colin Patrick McCabe |
-| [HDFS-4246](https://issues.apache.org/jira/browse/HDFS-4246) | The exclude node list should be more forgiving, for each output stream | Minor | hdfs-client | Harsh J | Harsh J |
-| [HDFS-4234](https://issues.apache.org/jira/browse/HDFS-4234) | Use the generic code for choosing datanode in Balancer | Minor | balancer & mover | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-4215](https://issues.apache.org/jira/browse/HDFS-4215) | Improvements on INode and image loading | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-4206](https://issues.apache.org/jira/browse/HDFS-4206) | Change the fields in INode and its subclasses to private | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-4152](https://issues.apache.org/jira/browse/HDFS-4152) | Add a new class for the parameter in INode.collectSubtreeBlocksAndClear(..) | Minor | namenode | Tsz Wo Nicholas Sze | Jing Zhao |
-| [HDFS-4151](https://issues.apache.org/jira/browse/HDFS-4151) | Passing INodesInPath instead of INode[] in FSDirectory | Minor | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HDFS-4053](https://issues.apache.org/jira/browse/HDFS-4053) | Increase the default block size | Major | . | Eli Collins | Eli Collins |
+| [HDFS-4569](https://issues.apache.org/jira/browse/HDFS-4569) | Small image transfer related cleanups. | Trivial | . | Andrew Wang | Andrew Wang |
+| [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 |
+| [YARN-198](https://issues.apache.org/jira/browse/YARN-198) | If we are navigating to Nodemanager UI from Resourcemanager,then there is not link to navigate back to Resource manager | Minor | nodemanager | Ramgopal N | Jian He |
+| [YARN-237](https://issues.apache.org/jira/browse/YARN-237) | Refreshing the RM page forgets how many rows I had in my Datatables | Major | resourcemanager | Ravi Prakash | Jian He |
+| [HADOOP-9318](https://issues.apache.org/jira/browse/HADOOP-9318) | when exiting on a signal, print the signal name first | Minor | . | Colin P. McCabe | Colin P. McCabe |
+| [MAPREDUCE-4990](https://issues.apache.org/jira/browse/MAPREDUCE-4990) | Construct debug strings conditionally in ShuffleHandler.Shuffle#sendMapOutput() | Trivial | . | Karthik Kambatla | Karthik Kambatla |
+| [YARN-297](https://issues.apache.org/jira/browse/YARN-297) | Improve hashCode implementations for PB records | Major | . | Arun C Murthy | Xuan Gong |
+| [HDFS-4246](https://issues.apache.org/jira/browse/HDFS-4246) | The exclude node list should be more forgiving, for each output stream | Minor | hdfs-client | Harsh J | Harsh J |
+| [HADOOP-9227](https://issues.apache.org/jira/browse/HADOOP-9227) | FileSystemContractBaseTest doesn't test filesystem's mkdir/isDirectory() logic rigorously enough | Trivial | fs | Steve Loughran | Steve Loughran |
+| [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 |
+| [YARN-447](https://issues.apache.org/jira/browse/YARN-447) | applicationComparator improvement for CS | Minor | scheduler | Nemon Lou | Nemon Lou |
+| [YARN-382](https://issues.apache.org/jira/browse/YARN-382) | SchedulerUtils improve way normalizeRequest sets the resource capabilities | Major | scheduler | Thomas Graves | Zhijie Shen |
+| [YARN-381](https://issues.apache.org/jira/browse/YARN-381) | Improve FS docs | Minor | documentation | Eli Collins | Sandy Ryza |
+| [YARN-538](https://issues.apache.org/jira/browse/YARN-538) | RM address DNS lookup can cause unnecessary slowness on every JHS page load | Major | . | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9401](https://issues.apache.org/jira/browse/HADOOP-9401) | CodecPool: Add counters for number of (de)compressors leased out | Major | . | Karthik Kambatla | Karthik Kambatla |
+| [YARN-525](https://issues.apache.org/jira/browse/YARN-525) | make CS node-locality-delay refreshable | Major | capacityscheduler | Thomas Graves | Thomas Graves |
| [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-3880](https://issues.apache.org/jira/browse/HDFS-3880) | Use Builder to get RPC server in HDFS | Minor | datanode, ha, namenode, security | Brandon Li | Brandon Li |
-| [HDFS-3817](https://issues.apache.org/jira/browse/HDFS-3817) | avoid printing stack information for SafeModeException | Major | namenode | Brandon Li | Brandon Li |
-| [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 |
-| [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-2857](https://issues.apache.org/jira/browse/HDFS-2857) | Cleanup BlockInfo class | Major | namenode | Suresh Srinivas | Suresh Srinivas |
-| [HDFS-2572](https://issues.apache.org/jira/browse/HDFS-2572) | Unnecessary double-check in DN#getHostName | Trivial | datanode | Harsh J | Harsh J |
-| [HDFS-2042](https://issues.apache.org/jira/browse/HDFS-2042) | Require c99 when building libhdfs | Minor | libhdfs | Eli Collins | |
-| [HDFS-347](https://issues.apache.org/jira/browse/HDFS-347) | DFS read performance suboptimal when client co-located on nodes with data | Major | datanode, hdfs-client, performance | George Porter | Colin Patrick McCabe |
-| [MAPREDUCE-5398](https://issues.apache.org/jira/browse/MAPREDUCE-5398) | MR changes for YARN-513 | Major | . | Bikas Saha | Jian He |
-| [MAPREDUCE-5352](https://issues.apache.org/jira/browse/MAPREDUCE-5352) | Optimize node local splits generated by CombineFileInputFormat | Major | . | Siddharth Seth | Siddharth Seth |
-| [MAPREDUCE-5283](https://issues.apache.org/jira/browse/MAPREDUCE-5283) | Over 10 different tests have near identical implementations of AppContext | Major | applicationmaster, test | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5268](https://issues.apache.org/jira/browse/MAPREDUCE-5268) | Improve history server startup performance | Major | jobhistoryserver | Jason Lowe | Karthik Kambatla |
-| [MAPREDUCE-5246](https://issues.apache.org/jira/browse/MAPREDUCE-5246) | Adding application type to submission context | Major | . | Mayank Bansal | Mayank Bansal |
-| [MAPREDUCE-5171](https://issues.apache.org/jira/browse/MAPREDUCE-5171) | Expose blacklisted nodes from the MR AM REST API | Major | applicationmaster | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-5128](https://issues.apache.org/jira/browse/MAPREDUCE-5128) | mapred-default.xml is missing a bunch of history server configs | Major | documentation, jobhistoryserver | Sandy Ryza | Sandy Ryza |
+| [HDFS-4679](https://issues.apache.org/jira/browse/HDFS-4679) | Namenode operation checks should be done in a consistent manner | Major | namenode | Suresh Srinivas | Suresh Srinivas |
| [MAPREDUCE-5079](https://issues.apache.org/jira/browse/MAPREDUCE-5079) | Recovery should restore task state from job history info directly | Critical | mr-am | Jason Lowe | Jason Lowe |
-| [MAPREDUCE-5069](https://issues.apache.org/jira/browse/MAPREDUCE-5069) | add concrete common implementations of CombineFileInputFormat | Minor | mrv1, mrv2 | Sangjin Lee | Sangjin Lee |
-| [MAPREDUCE-5033](https://issues.apache.org/jira/browse/MAPREDUCE-5033) | mapred shell script should respect usage flags (--help -help -h) | Minor | . | Andrew Wang | Andrew Wang |
-| [MAPREDUCE-4990](https://issues.apache.org/jira/browse/MAPREDUCE-4990) | Construct debug strings conditionally in ShuffleHandler.Shuffle#sendMapOutput() | Trivial | . | Karthik Kambatla | Karthik Kambatla |
-| [MAPREDUCE-4989](https://issues.apache.org/jira/browse/MAPREDUCE-4989) | JSONify DataTables input data for Attempts page | Major | jobhistoryserver, mr-am | Ravi Prakash | Ravi Prakash |
| [MAPREDUCE-4974](https://issues.apache.org/jira/browse/MAPREDUCE-4974) | Optimising the LineRecordReader initialize() method | Major | mrv1, mrv2, performance | Arun A K | Gelesh |
-| [MAPREDUCE-4846](https://issues.apache.org/jira/browse/MAPREDUCE-4846) | Some JobQueueInfo methods are public in MR1 but protected in MR2 | Major | client | Sandy Ryza | Sandy Ryza |
-| [MAPREDUCE-3787](https://issues.apache.org/jira/browse/MAPREDUCE-3787) | [Gridmix] Improve STRESS mode | Major | contrib/gridmix | Amar Kamat | Amar Kamat |
+| [YARN-518](https://issues.apache.org/jira/browse/YARN-518) | Fair Scheduler's document link could be added to the hadoop 2.x main doc page | Major | documentation | Dapeng Sun | Sandy Ryza |
+| [MAPREDUCE-5128](https://issues.apache.org/jira/browse/MAPREDUCE-5128) | mapred-default.xml is missing a bunch of history server configs | Major | documentation, jobhistoryserver | Sandy Ryza | Sandy Ryza |
+| [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 |
+| [MAPREDUCE-5069](https://issues.apache.org/jira/browse/MAPREDUCE-5069) | add concrete common implementations of CombineFileInputFormat | Minor | mrv1, mrv2 | Sangjin Lee | Sangjin Lee |
+| [HADOOP-9503](https://issues.apache.org/jira/browse/HADOOP-9503) | Remove sleep between IPC client connect timeouts | Minor | ipc | Varun Sharma | Varun Sharma |
+| [HDFS-4721](https://issues.apache.org/jira/browse/HDFS-4721) | Speed up lease/block recovery when DN fails and a block goes into recovery | Major | namenode | Varun Sharma | Varun Sharma |
+| [HADOOP-9322](https://issues.apache.org/jira/browse/HADOOP-9322) | LdapGroupsMapping doesn't seem to set a timeout for its directory search | Minor | security | Harsh J | Harsh J |
+| [HADOOP-9338](https://issues.apache.org/jira/browse/HADOOP-9338) | FsShell Copy Commands Should Optionally Preserve File Attributes | Major | fs | Nick White | Nick White |
+| [HADOOP-8608](https://issues.apache.org/jira/browse/HADOOP-8608) | Add Configuration API for parsing time durations | Minor | conf | Todd Lipcon | Chris Douglas |
+| [HADOOP-9483](https://issues.apache.org/jira/browse/HADOOP-9483) | winutils support for readlink command | Major | util | Chris Nauroth | Arpit Agarwal |
+| [HADOOP-9511](https://issues.apache.org/jira/browse/HADOOP-9511) | Adding support for additional input streams (FSDataInputStream and RandomAccessFile) in SecureIOUtils. | Major | . | Omkar Vinit Joshi | Omkar Vinit Joshi |
+| [HDFS-4804](https://issues.apache.org/jira/browse/HDFS-4804) | WARN when users set the block balanced preference percent below 0.5 or above 1.0 | Minor | . | Stephen Chu | Stephen Chu |
+| [YARN-598](https://issues.apache.org/jira/browse/YARN-598) | Add virtual cores to queue metrics | Major | resourcemanager, scheduler | Sandy Ryza | Sandy Ryza |
+| [YARN-590](https://issues.apache.org/jira/browse/YARN-590) | Add an optional mesage to RegisterNodeManagerResponse as to why NM is being asked to resync or shutdown | Major | . | Vinod Kumar Vavilapalli | Mayank Bansal |
+| [HADOOP-9560](https://issues.apache.org/jira/browse/HADOOP-9560) | metrics2#JvmMetrics should have max memory size of JVM | Minor | metrics | Tsuyoshi Ozawa | Tsuyoshi Ozawa |
+| [HADOOP-9523](https://issues.apache.org/jira/browse/HADOOP-9523) | Provide a generic IBM java vendor flag in PlatformName.java to support non-Sun JREs | Major | . | Tian Hong Wang | Tian Hong Wang |
+| [HDFS-4698](https://issues.apache.org/jira/browse/HDFS-4698) | provide client-side metrics for remote reads, local reads, and short-circuit reads | Minor | hdfs-client | Colin P. McCabe | Colin P. McCabe |
+| [HDFS-347](https://issues.apache.org/jira/browse/HDFS-347) | DFS read performance suboptimal when client co-located on nodes with data | Major | datanode, hdfs-client, performance | George Porter | Colin P. McCabe |
+| [HDFS-4787](https://issues.apache.org/jira/browse/HDFS-4787) | Create a new HdfsConfiguration before each TestDFSClientRetries testcases | Major | . | Tian Hong Wang | Tian Hong Wang |
+| [MAPREDUCE-5246](https://issues.apache.org/jira/browse/MAPREDUCE-5246) | Adding application type to submission context | Major | . | Mayank Bansal | Mayank Bansal |
+| [HDFS-4848](https://issues.apache.org/jira/browse/HDFS-4848) | copyFromLocal and renaming a file to ".snapshot" should output that ".snapshot" is a reserved name | Minor | snapshots | Stephen Chu | Jing Zhao |
+| [HADOOP-9605](https://issues.apache.org/jira/browse/HADOOP-9605) | Update junit dependency | Major | build | Timothy St. Clair | |
+| [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 |
+| [MAPREDUCE-5268](https://issues.apache.org/jira/browse/MAPREDUCE-5268) | Improve history server startup performance | Major | jobhistoryserver | Jason Lowe | Karthik Kambatla |
+| [MAPREDUCE-5283](https://issues.apache.org/jira/browse/MAPREDUCE-5283) | Over 10 different tests have near identical implementations of AppContext | Major | applicationmaster, test | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9604](https://issues.apache.org/jira/browse/HADOOP-9604) | Wrong Javadoc of FSDataOutputStream | Minor | fs | Jingguo Yao | Jingguo Yao |
+| [HADOOP-9625](https://issues.apache.org/jira/browse/HADOOP-9625) | HADOOP\_OPTS not picked up by hadoop command | Minor | bin, conf | Paul Han | Paul Han |
+| [YARN-600](https://issues.apache.org/jira/browse/YARN-600) | Hook up cgroups CPU settings to the number of virtual cores allocated | Major | resourcemanager, scheduler | Sandy Ryza | Sandy Ryza |
+| [YARN-117](https://issues.apache.org/jira/browse/YARN-117) | Enhance YARN service model | Major | . | Steve Loughran | Steve Loughran |
+| [YARN-782](https://issues.apache.org/jira/browse/YARN-782) | vcores-pcores ratio functions differently from vmem-pmem ratio in misleading way | Critical | nodemanager | Sandy Ryza | Sandy Ryza |
| [MAPREDUCE-3533](https://issues.apache.org/jira/browse/MAPREDUCE-3533) | have the service interface extend Closeable and use close() as its shutdown operation | Minor | mrv2 | Steve Loughran | |
-| [YARN-1045](https://issues.apache.org/jira/browse/YARN-1045) | Improve toString implementation for PBImpls | Major | . | Siddharth Seth | Jian He |
-| [YARN-883](https://issues.apache.org/jira/browse/YARN-883) | Expose Fair Scheduler-specific queue metrics | Major | scheduler | Sandy Ryza | Sandy Ryza |
-| [YARN-865](https://issues.apache.org/jira/browse/YARN-865) | RM webservices can't query based on application Types | Major | . | Xuan Gong | Xuan Gong |
| [YARN-803](https://issues.apache.org/jira/browse/YARN-803) | factor out scheduler config validation from the ResourceManager to each scheduler implementation | Major | resourcemanager, scheduler | Alejandro Abdelnur | Alejandro Abdelnur |
| [YARN-789](https://issues.apache.org/jira/browse/YARN-789) | Enable zero capabilities resource requests in fair scheduler | Major | scheduler | Alejandro Abdelnur | Alejandro Abdelnur |
-| [YARN-782](https://issues.apache.org/jira/browse/YARN-782) | vcores-pcores ratio functions differently from vmem-pmem ratio in misleading way | Critical | nodemanager | Sandy Ryza | Sandy Ryza |
| [YARN-752](https://issues.apache.org/jira/browse/YARN-752) | In AMRMClient, automatically add corresponding rack requests for requested nodes | Major | api, applications | Sandy Ryza | Sandy Ryza |
+| [MAPREDUCE-5171](https://issues.apache.org/jira/browse/MAPREDUCE-5171) | Expose blacklisted nodes from the MR AM REST API | Major | applicationmaster | Sandy Ryza | Sandy Ryza |
+| [HDFS-4461](https://issues.apache.org/jira/browse/HDFS-4461) | DirectoryScanner: volume path prefix takes up memory for every block that is scanned | Minor | . | Colin P. McCabe | Colin P. McCabe |
+| [HDFS-4914](https://issues.apache.org/jira/browse/HDFS-4914) | When possible, Use DFSClient.Conf instead of Configuration | Minor | hdfs-client | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-4772](https://issues.apache.org/jira/browse/HDFS-4772) | Add number of children in HdfsFileStatus | Minor | namenode | Brandon Li | Brandon Li |
| [YARN-736](https://issues.apache.org/jira/browse/YARN-736) | Add a multi-resource fair sharing metric | Major | scheduler | Sandy Ryza | Sandy Ryza |
-| [YARN-600](https://issues.apache.org/jira/browse/YARN-600) | Hook up cgroups CPU settings to the number of virtual cores allocated | Major | resourcemanager, scheduler | Sandy Ryza | Sandy Ryza |
-| [YARN-598](https://issues.apache.org/jira/browse/YARN-598) | Add virtual cores to queue metrics | Major | resourcemanager, scheduler | Sandy Ryza | Sandy Ryza |
-| [YARN-590](https://issues.apache.org/jira/browse/YARN-590) | Add an optional mesage to RegisterNodeManagerResponse as to why NM is being asked to resync or shutdown | Major | . | Vinod Kumar Vavilapalli | Mayank Bansal |
-| [YARN-538](https://issues.apache.org/jira/browse/YARN-538) | RM address DNS lookup can cause unnecessary slowness on every JHS page load | Major | . | Sandy Ryza | Sandy Ryza |
-| [YARN-525](https://issues.apache.org/jira/browse/YARN-525) | make CS node-locality-delay refreshable | Major | capacityscheduler | Thomas Graves | Thomas Graves |
-| [YARN-518](https://issues.apache.org/jira/browse/YARN-518) | Fair Scheduler's document link could be added to the hadoop 2.x main doc page | Major | documentation | Dapeng Sun | Sandy Ryza |
-| [YARN-447](https://issues.apache.org/jira/browse/YARN-447) | applicationComparator improvement for CS | Minor | scheduler | Nemon Lou | Nemon Lou |
-| [YARN-406](https://issues.apache.org/jira/browse/YARN-406) | TestRackResolver fails when local network resolves "host1" to a valid host | Minor | . | Hitesh Shah | Hitesh Shah |
-| [YARN-391](https://issues.apache.org/jira/browse/YARN-391) | detabify LCEResourcesHandler classes | Trivial | nodemanager | Steve Loughran | Steve Loughran |
-| [YARN-385](https://issues.apache.org/jira/browse/YARN-385) | ResourceRequestPBImpl's toString() is missing location and # containers | Major | api | Sandy Ryza | Sandy Ryza |
-| [YARN-382](https://issues.apache.org/jira/browse/YARN-382) | SchedulerUtils improve way normalizeRequest sets the resource capabilities | Major | scheduler | Thomas Graves | Zhijie Shen |
-| [YARN-381](https://issues.apache.org/jira/browse/YARN-381) | Improve FS docs | Minor | documentation | Eli Collins | Sandy Ryza |
+| [HADOOP-9661](https://issues.apache.org/jira/browse/HADOOP-9661) | Allow metrics sources to be extended | Major | metrics | Sandy Ryza | Sandy Ryza |
+| [HDFS-4932](https://issues.apache.org/jira/browse/HDFS-4932) | Avoid a wide line on the name node webUI if we have more Journal nodes | Minor | ha, namenode | Fengdong Yu | Fengdong Yu |
+| [HADOOP-9673](https://issues.apache.org/jira/browse/HADOOP-9673) | NetworkTopology: when a node can't be added, print out its location for diagnostic purposes | Trivial | net | Colin P. McCabe | Colin P. McCabe |
+| [YARN-883](https://issues.apache.org/jira/browse/YARN-883) | Expose Fair Scheduler-specific queue metrics | Major | scheduler | Sandy Ryza | Sandy Ryza |
+| [HADOOP-9676](https://issues.apache.org/jira/browse/HADOOP-9676) | make maximum RPC buffer size configurable | Minor | . | Colin P. McCabe | Colin P. McCabe |
+| [HDFS-4465](https://issues.apache.org/jira/browse/HDFS-4465) | Optimize datanode ReplicasMap and ReplicaInfo | Major | datanode | Suresh Srinivas | Aaron T. Myers |
+| [HDFS-4645](https://issues.apache.org/jira/browse/HDFS-4645) | Move from randomly generated block ID to sequentially generated block ID | Major | namenode | Suresh Srinivas | Arpit Agarwal |
+| [HDFS-4978](https://issues.apache.org/jira/browse/HDFS-4978) | Make disallowSnapshot idempotent | Major | . | Jing Zhao | Jing Zhao |
+| [HDFS-4912](https://issues.apache.org/jira/browse/HDFS-4912) | Cleanup FSNamesystem#startFileInternal | Major | namenode | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-4521](https://issues.apache.org/jira/browse/HDFS-4521) | invalid network topologies should not be cached | Minor | . | Colin P. McCabe | Colin P. McCabe |
+| [HDFS-2042](https://issues.apache.org/jira/browse/HDFS-2042) | Require c99 when building libhdfs | Minor | libhdfs | Eli Collins | |
+| [HDFS-4992](https://issues.apache.org/jira/browse/HDFS-4992) | Make balancer's thread count configurable | Major | balancer & mover | Max Lapan | Max Lapan |
+| [MAPREDUCE-5398](https://issues.apache.org/jira/browse/MAPREDUCE-5398) | MR changes for YARN-513 | Major | . | Bikas Saha | Jian He |
+| [HADOOP-9734](https://issues.apache.org/jira/browse/HADOOP-9734) | Common protobuf definitions for GetUserMappingsProtocol, RefreshAuthorizationPolicyProtocol and RefreshUserMappingsProtocol | Minor | ipc | Jason Lowe | Jason Lowe |
+| [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 |
+| [YARN-865](https://issues.apache.org/jira/browse/YARN-865) | RM webservices can't query based on application Types | Major | . | Xuan Gong | Xuan Gong |
+| [HDFS-4996](https://issues.apache.org/jira/browse/HDFS-4996) | ClientProtocol#metaSave can be made idempotent by overwriting the output file instead of appending to it | Minor | namenode | Chris Nauroth | Chris Nauroth |
+| [HADOOP-9164](https://issues.apache.org/jira/browse/HADOOP-9164) | Print paths of loaded native libraries in NativeLibraryChecker | Minor | native | Binglin Chang | Binglin Chang |
+| [HADOOP-9717](https://issues.apache.org/jira/browse/HADOOP-9717) | Add retry attempt count to the RPC requests | Major | ipc | Suresh Srinivas | Jing Zhao |
+| [HDFS-5007](https://issues.apache.org/jira/browse/HDFS-5007) | Replace hard-coded property keys with DFSConfigKeys fields | Minor | . | Kousuke Saruta | Kousuke Saruta |
+| [HDFS-5010](https://issues.apache.org/jira/browse/HDFS-5010) | Reduce the frequency of getCurrentUser() calls from namenode | Major | namenode, performance | Kihwal Lee | Kihwal Lee |
+| [HADOOP-9688](https://issues.apache.org/jira/browse/HADOOP-9688) | Add globally unique Client ID to RPC requests | Blocker | ipc | Suresh Srinivas | Suresh Srinivas |
+| [HADOOP-9691](https://issues.apache.org/jira/browse/HADOOP-9691) | RPC clients can generate call ID using AtomicInteger instead of synchronizing on the Client instance. | Minor | ipc | Chris Nauroth | Chris Nauroth |
+| [HADOOP-9716](https://issues.apache.org/jira/browse/HADOOP-9716) | Move the Rpc request call ID generation to client side InvocationHandler | Major | ipc | Suresh Srinivas | Tsz Wo Nicholas Sze |
+| [HADOOP-9751](https://issues.apache.org/jira/browse/HADOOP-9751) | Add clientId and retryCount to RpcResponseHeaderProto | Major | ipc | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HADOOP-9754](https://issues.apache.org/jira/browse/HADOOP-9754) | Clean up RPC code | Minor | ipc | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
+| [HDFS-5008](https://issues.apache.org/jira/browse/HDFS-5008) | Make ClientProtocol#abandonBlock() idempotent | Major | namenode | Suresh Srinivas | Jing Zhao |
+| [HADOOP-9760](https://issues.apache.org/jira/browse/HADOOP-9760) | Move GSet and LightWeightGSet to hadoop-common | Major | util | Suresh Srinivas | Suresh Srinivas |
+| [HDFS-5020](https://issues.apache.org/jira/browse/HDFS-5020) | Make DatanodeProtocol#blockReceivedAndDeleted idempotent | Major | namenode | Jing Zhao | Jing Zhao |
+| [HADOOP-9762](https://issues.apache.org/jira/browse/HADOOP-9762) | RetryCache utility for implementing RPC retries | Major | util | Suresh Srinivas | Suresh Srinivas |
+| [HADOOP-9770](https://issues.apache.org/jira/browse/HADOOP-9770) | Make RetryCache#state non volatile | Minor | util | Suresh Srinivas | Suresh Srinivas |
+| [HADOOP-9756](https://issues.apache.org/jira/browse/HADOOP-9756) | Additional cleanup RPC code | Minor | ipc | Junping Du | Junping Du |
| [YARN-347](https://issues.apache.org/jira/browse/YARN-347) | YARN CLI should show CPU info besides memory info in node status | Major | client | Junping Du | Junping Du |
-| [YARN-297](https://issues.apache.org/jira/browse/YARN-297) | Improve hashCode implementations for PB records | Major | . | Arun C Murthy | Xuan Gong |
-| [YARN-249](https://issues.apache.org/jira/browse/YARN-249) | Capacity Scheduler web page should show list of active users per queue like it used to (in 1.x) | Major | capacityscheduler | Ravi Prakash | Ravi Prakash |
-| [YARN-237](https://issues.apache.org/jira/browse/YARN-237) | Refreshing the RM page forgets how many rows I had in my Datatables | Major | resourcemanager | Ravi Prakash | Jian He |
-| [YARN-198](https://issues.apache.org/jira/browse/YARN-198) | If we are navigating to Nodemanager UI from Resourcemanager,then there is not link to navigate back to Resource manager | Minor | nodemanager | Ramgopal N | Jian He |
-| [YARN-117](https://issues.apache.org/jira/browse/YARN-117) | Enhance YARN service model | Major | . | Steve Loughran | Steve Loughran |
-| [YARN-84](https://issues.apache.org/jira/browse/YARN-84) | Use Builder to get RPC server in YARN | Minor | . | Brandon Li | Brandon Li |
+| [HDFS-5027](https://issues.apache.org/jira/browse/HDFS-5027) | On startup, DN should scan volumes in parallel | Major | datanode | Aaron T. Myers | Aaron T. Myers |
+| [HADOOP-9792](https://issues.apache.org/jira/browse/HADOOP-9792) | Retry the methods that are tagged @AtMostOnce along with @Idempotent | Major | ipc | Suresh Srinivas | Suresh Srinivas |
+| [MAPREDUCE-5352](https://issues.apache.org/jira/browse/MAPREDUCE-5352) | Optimize node local splits generated by CombineFileInputFormat | Major | . | Siddharth Seth | Siddharth Seth |
+| [HADOOP-9845](https://issues.apache.org/jira/browse/HADOOP-9845) | Update protobuf to 2.5 from 2.4.x | Blocker | performance | stack | Alejandro Abdelnur |
+| [YARN-1045](https://issues.apache.org/jira/browse/YARN-1045) | Improve toString implementation for PBImpls | Major | . | Siddharth Seth | Jian He |
+| [HDFS-4942](https://issues.apache.org/jira/browse/HDFS-4942) | Add retry cache support in Namenode | Major | ha, namenode | Suresh Srinivas | Suresh Srinivas |
### BUG FIXES:
| JIRA | Summary | Priority | Component | Reporter | Contributor |
|:---- |:---- | :--- |:---- |:---- |:---- |
-| [HADOOP-9872](https://issues.apache.org/jira/browse/HADOOP-9872) | Improve protoc version handling and detection | Blocker | build | Alejandro Abdelnur | Alejandro Abdelnur |
-| [HADOOP-9850](https://issues.apache.org/jira/browse/HADOOP-9850) | RPC kerberos errors don't trigger relogin | Blocker | ipc | Daryn Sharp | Daryn Sharp |
-| [HADOOP-9816](https://issues.apache.org/jira/browse/HADOOP-9816) | RPC Sasl QOP is broken | Blocker | ipc, security | Daryn Sharp | Daryn Sharp |
-| [HADOOP-9787](https://issues.apache.org/jira/browse/HADOOP-9787) | ShutdownHelper util to shutdown threads and threadpools | Major | util | Karthik Kambatla | Karthik Kambatla |
-| [HADOOP-9786](https://issues.apache.org/jira/browse/HADOOP-9786) | RetryInvocationHandler#isRpcInvocation should support ProtocolTranslator | Major | . | Jing Zhao | Jing Zhao |
-| [HADOOP-9773](https://issues.apache.org/jira/browse/HADOOP-9773) | TestLightWeightCache fails | Minor | test | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze |
-| [HADOOP-9759](https://issues.apache.org/jira/browse/HADOOP-9759) | Add support for NativeCodeLoader#getLibraryName on Windows | Critical | . | Chuan Liu | Chuan Liu |
-| [HADOOP-9738](https://issues.apache.org/jira/browse/HADOOP-9738) | TestDistCh fails | Major | tools | Kihwal Lee | Jing Zhao |
-| [HADOOP-9707](https://issues.apache.org/jira/browse/HADOOP-9707) | Fix register lists for crc32c inline assembly | Minor | util | Todd Lipcon | Todd Lipcon |
-| [HADOOP-9701](https://issues.apache.org/jira/browse/HADOOP-9701) | mvn site ambiguous links in hadoop-common | Minor | documentation | Steve Loughran | Karthik Kambatla |
-| [HADOOP-9681](https://issues.apache.org/jira/browse/HADOOP-9681) | FileUtil.unTarUsingJava() should close the InputStream upon finishing | Minor | . | Chuan Liu | Chuan Liu |
-| [HADOOP-9678](https://issues.apache.org/jira/browse/HADOOP-9678) | TestRPC#testStopsAllThreads intermittently fails on Windows | Major | . | Ivan Mitic | Ivan Mitic |
-| [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 |
-| [HADOOP-9656](https://issues.apache.org/jira/browse/HADOOP-9656) | Gridmix unit tests fail on Windows and Linux | Minor | test, tools | Chuan Liu | Chuan Liu |
-| [HADOOP-9643](https://issues.apache.org/jira/browse/HADOOP-9643) | org.apache.hadoop.security.SecurityUtil calls toUpperCase(Locale.getDefault()) as well as toLowerCase(Locale.getDefault()) on hadoop.security.authentication value. | Minor | security | Mark Miller | Mark Miller |
-| [HADOOP-9638](https://issues.apache.org/jira/browse/HADOOP-9638) | parallel test changes caused invalid test path for several HDFS tests on Windows | Major | test | Chris Nauroth | Andrey Klochkov |
-| [HADOOP-9637](https://issues.apache.org/jira/browse/HADOOP-9637) | Adding Native Fstat for Windows as needed by YARN | Major | . | Chuan Liu | Chuan Liu |
-| [HADOOP-9632](https://issues.apache.org/jira/browse/HADOOP-9632) | TestShellCommandFencer will fail if there is a 'host' machine in the network | Minor | . | Chuan Liu | Chuan Liu |
-| [HADOOP-9607](https://issues.apache.org/jira/browse/HADOOP-9607) | Fixes in Javadoc build | Minor | documentation | Timothy St. Clair | |
-| [HADOOP-9599](https://issues.apache.org/jira/browse/HADOOP-9599) | hadoop-config.cmd doesn't set JAVA\_LIBRARY\_PATH correctly | Major | . | Mostafa Elhemali | Mostafa Elhemali |
-| [HADOOP-9593](https://issues.apache.org/jira/browse/HADOOP-9593) | stack trace printed at ERROR for all yarn clients without hadoop.home set | Major | util | Steve Loughran | Steve Loughran |
-| [HADOOP-9581](https://issues.apache.org/jira/browse/HADOOP-9581) | hadoop --config non-existent directory should result in error | Major | scripts | Ashwin Shankar | Ashwin Shankar |
-| [HADOOP-9574](https://issues.apache.org/jira/browse/HADOOP-9574) | Add new methods in AbstractDelegationTokenSecretManager for restoring RMDelegationTokens on RMRestart | Major | . | Jian He | Jian He |
-| [HADOOP-9566](https://issues.apache.org/jira/browse/HADOOP-9566) | Performing direct read using libhdfs sometimes raises SIGPIPE (which in turn throws SIGABRT) causing client crashes | Major | native | Lenni Kuff | Colin Patrick McCabe |
-| [HADOOP-9563](https://issues.apache.org/jira/browse/HADOOP-9563) | Fix incompatibility introduced by HADOOP-9523 | Major | util | Kihwal Lee | Tian Hong Wang |
-| [HADOOP-9556](https://issues.apache.org/jira/browse/HADOOP-9556) | disable HA tests on Windows that fail due to ZooKeeper client connection management bug | Major | ha, test | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9553](https://issues.apache.org/jira/browse/HADOOP-9553) | TestAuthenticationToken fails on Windows | Major | test | Arpit Agarwal | Arpit Agarwal |
-| [HADOOP-9550](https://issues.apache.org/jira/browse/HADOOP-9550) | Remove aspectj dependency | Major | . | Karthik Kambatla | Karthik Kambatla |
-| [HADOOP-9549](https://issues.apache.org/jira/browse/HADOOP-9549) | WebHdfsFileSystem hangs on close() | Blocker | security | Kihwal Lee | Daryn Sharp |
-| [HADOOP-9532](https://issues.apache.org/jira/browse/HADOOP-9532) | HADOOP\_CLIENT\_OPTS is appended twice by Windows cmd scripts | Minor | bin | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9527](https://issues.apache.org/jira/browse/HADOOP-9527) | Add symlink support to LocalFileSystem on Windows | Major | fs, test | Arpit Agarwal | Arpit Agarwal |
-| [HADOOP-9526](https://issues.apache.org/jira/browse/HADOOP-9526) | TestShellCommandFencer and TestShell fail on Windows | Major | test | Arpit Agarwal | Arpit Agarwal |
-| [HADOOP-9524](https://issues.apache.org/jira/browse/HADOOP-9524) | Fix ShellCommandFencer to work on Windows | Major | ha | Arpit Agarwal | Arpit Agarwal |
-| [HADOOP-9517](https://issues.apache.org/jira/browse/HADOOP-9517) | Document Hadoop Compatibility | Blocker | documentation | Arun C Murthy | 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 |
-| [HADOOP-9504](https://issues.apache.org/jira/browse/HADOOP-9504) | MetricsDynamicMBeanBase has concurrency issues in createMBeanInfo | Critical | metrics | Liang Xie | Liang Xie |
-| [HADOOP-9500](https://issues.apache.org/jira/browse/HADOOP-9500) | TestUserGroupInformation#testGetServerSideGroups fails on Windows due to failure to find winutils.exe | Major | test | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9496](https://issues.apache.org/jira/browse/HADOOP-9496) | Bad merge of HADOOP-9450 on branch-2 breaks all bin/hadoop calls that need HADOOP\_CLASSPATH | Critical | bin | Gopal V | Harsh J |
-| [HADOOP-9490](https://issues.apache.org/jira/browse/HADOOP-9490) | LocalFileSystem#reportChecksumFailure not closing the checksum file handle before rename | Major | fs | Ivan Mitic | Ivan Mitic |
-| [HADOOP-9488](https://issues.apache.org/jira/browse/HADOOP-9488) | FileUtil#createJarWithClassPath only substitutes environment variables from current process environment/does not support overriding when launching new process | Major | fs | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9486](https://issues.apache.org/jira/browse/HADOOP-9486) | Promote Windows and Shell related utils from YARN to Hadoop Common | Major | . | Vinod Kumar Vavilapalli | Chris Nauroth |
-| [HADOOP-9485](https://issues.apache.org/jira/browse/HADOOP-9485) | No default value in the code for hadoop.rpc.socket.factory.class.default | Minor | net | Colin Patrick McCabe | Colin Patrick McCabe |
-| [HADOOP-9481](https://issues.apache.org/jira/browse/HADOOP-9481) | Broken conditional logic with HADOOP\_SNAPPY\_LIBRARY | Minor | . | Vadim Bondarev | Vadim Bondarev |
-| [HADOOP-9473](https://issues.apache.org/jira/browse/HADOOP-9473) | typo in FileUtil copy() method | Trivial | fs | Glen Mazza | |
-| [HADOOP-9469](https://issues.apache.org/jira/browse/HADOOP-9469) | mapreduce/yarn source jars not included in dist tarball | Major | . | Thomas Graves | Robert Parker |
-| [HADOOP-9459](https://issues.apache.org/jira/browse/HADOOP-9459) | ActiveStandbyElector can join election even before Service HEALTHY, and results in null data at ActiveBreadCrumb | Critical | ha | Vinayakumar B | Vinayakumar B |
-| [HADOOP-9455](https://issues.apache.org/jira/browse/HADOOP-9455) | HADOOP\_CLIENT\_OPTS appended twice causes JVM failures | Minor | bin | Sangjin Lee | Chris Nauroth |
-| [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 |
-| [HADOOP-9443](https://issues.apache.org/jira/browse/HADOOP-9443) | Port winutils static code analysis change to trunk | Major | . | Chuan Liu | Chuan Liu |
-| [HADOOP-9439](https://issues.apache.org/jira/browse/HADOOP-9439) | JniBasedUnixGroupsMapping: fix some crash bugs | Minor | native | Colin Patrick McCabe | Colin Patrick McCabe |
-| [HADOOP-9437](https://issues.apache.org/jira/browse/HADOOP-9437) | TestNativeIO#testRenameTo fails on Windows due to assumption that POSIX errno is embedded in NativeIOException | Major | test | Chris Nauroth | Chris Nauroth |
-| [HADOOP-9430](https://issues.apache.org/jira/browse/HADOOP-9430) | TestSSLFactory fails on IBM JVM | Major | security | Amir Sanjar | |
-| [HADOOP-9429](https://issues.apache.org/jira/browse/HADOOP-9429) | TestConfiguration fails with IBM JAVA | Major | test | Amir Sanjar | |
-| [HADOOP-9413](https://issues.apache.org/jira/browse/HADOOP-9413) | Introduce common utils for File#setReadable/Writable/Executable and File#canRead/Write/Execute that work cross-platform | Major | . | Ivan Mitic | Ivan Mitic |
-| [HADOOP-9408](https://issues.apache.org/jira/browse/HADOOP-9408) | misleading description for net.topology.table.file.name property in core-default.xml | Minor | conf | rajeshbabu | rajeshbabu |
-| [HADOOP-9407](https://issues.apache.org/jira/browse/HADOOP-9407) | commons-daemon 1.0.3 dependency has bad group id causing build issues | Major | build | Sangjin Lee | Sangjin Lee |
-| [HADOOP-9397](https://issues.apache.org/jira/browse/HADOOP-9397) | Incremental dist tar build fails | Major | build | Jason Lowe | Chris Nauroth |
-| [HADOOP-9388](https://issues.apache.org/jira/browse/HADOOP-9388) | TestFsShellCopy fails on Windows | Major | . | Ivan Mitic | Ivan Mitic |
-| [HADOOP-9387](https://issues.apache.org/jira/browse/HADOOP-9387) | TestDFVariations fails on Windows after the merge | Minor | fs | Ivan Mitic | Ivan Mitic |
-| [HADOOP-9376](https://issues.apache.org/jira/browse/HADOOP-9376) | TestProxyUserFromEnv fails on a Windows domain joined machine | Major | . | Ivan Mitic | Ivan Mitic |
-| [HADOOP-9373](https://issues.apache.org/jira/browse/HADOOP-9373) | Merge CHANGES.branch-trunk-win.txt to CHANGES.txt | Minor | . | Suresh Srinivas | Suresh Srinivas |
-| [HADOOP-9372](https://issues.apache.org/jira/browse/HADOOP-9372) | Fix bad timeout annotations on tests | Major | . | Arpit Agarwal | Arpit Agarwal |
-| [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 |
-| [HADOOP-9365](https://issues.apache.org/jira/browse/HADOOP-9365) | TestHAZKUtil fails
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