Apache Hadoop Changelog

Release 2.1.0-beta - 2013-08-22

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-8886 Remove KFS support Major fs Eli Collins Eli Collins
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 Include RPC error info in RpcResponseHeader instead of sending it separately Major ipc Sanjay Radia Sanjay Radia
YARN-396 Rationalize AllocateResponse in RM scheduler API Major . Bikas Saha Zhijie Shen
HADOOP-9380 Add totalLength to rpc response Major ipc Sanjay Radia Sanjay Radia
YARN-439 Flatten NodeHeartbeatResponse Major . Siddharth Seth Xuan Gong
YARN-440 Flatten RegisterNodeManagerResponse Major . Siddharth Seth Xuan Gong
HADOOP-9194 RPC Support for QoS Major ipc Luke Lu Junping Du
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 Nodemanager should set some key information into the environment of every container that it launches. Major . Hitesh Shah Xuan Gong
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 Add a configurable limit on number of blocks per file, and min block size Minor namenode Todd Lipcon Andrew Wang
YARN-579 Make ApplicationToken part of Container’s token list to help RM-restart Major . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
HDFS-4659 Support setting execution bit for regular files Major namenode Brandon Li Brandon Li
HDFS-4434 Provide a mapping from INodeId to INode Major namenode Brandon Li Suresh Srinivas
HADOOP-9425 Add error codes to rpc-response Major ipc Sanjay Radia Sanjay Radia
YARN-629 Make YarnRemoteException not be rooted at IOException Major . Xuan Gong Xuan Gong
YARN-633 Change RMAdminProtocol api to throw IOException and YarnRemoteException Major . Xuan Gong Xuan Gong
YARN-632 Change ContainerManager api to throw IOException and YarnRemoteException Major . Xuan Gong Xuan Gong
YARN-631 Change ClientRMProtocol api to throw IOException and YarnRemoteException Major . Xuan Gong Xuan Gong
YARN-630 Change AMRMProtocol api to throw IOException and YarnRemoteException Major . Xuan Gong Xuan Gong
MAPREDUCE-4067 Replace YarnRemoteException with IOException in MRv2 APIs Critical . Jitendra Nath Pandey Xuan Gong
YARN-615 ContainerLaunchContext.containerTokens should simply be called tokens Major . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
MAPREDUCE-5234 Signature changes for getTaskId of TaskReport in mapred Major . Zhijie Shen Mayank Bansal
MAPREDUCE-5156 Hadoop-examples-1.x.x.jar cannot run on Yarn Blocker . Zhijie Shen Zhijie Shen
MAPREDUCE-5233 Functions are changed or removed from Job in jobcontrol Major . Zhijie Shen Mayank Bansal
YARN-571 User should not be part of ContainerLaunchContext Major . Hitesh Shah Omkar Vinit Joshi
MAPREDUCE-5237 ClusterStatus incompatiblity issues with MR1 Major . Zhijie Shen Zhijie Shen
YARN-716 Make ApplicationID immutable Major . Siddharth Seth Siddharth Seth
YARN-684 ContainerManager.startContainer needs to only have ContainerTokenIdentifier instead of the whole Container Major . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
MAPREDUCE-5176 Preemptable annotations (to support preemption in MR) Major mrv2 Carlo Curino Carlo Curino
YARN-735 Make ApplicationAttemptID, ContainerID, NodeID immutable Major . Jian He Jian He
YARN-749 Rename ResourceRequest (get,set)HostName to (get,set)ResourceName Major . Arun C Murthy Arun C Murthy
YARN-720 container-log4j.properties should not refer to mapreduce properties Major . Siddharth Seth Zhijie Shen
MAPREDUCE-5300 Two function signature changes in filecache.DistributedCache Major . Zhijie Shen Zhijie Shen
YARN-748 Move BuilderUtils from yarn-common to yarn-server-common Major . Jian He Jian He
YARN-635 Rename YarnRemoteException to YarnException Major . Xuan Gong Siddharth Seth
YARN-755 Rename AllocateResponse.reboot to AllocateResponse.resync Major . Bikas Saha Bikas Saha
YARN-756 Move PreemptionContainer/PremptionContract/PreemptionMessage/StrictPreemptionContract/PreemptionResourceRequest to api.records Major . Jian He Jian He
YARN-753 Add individual factory method for api protocol records Major . Jian He Jian He
YARN-724 Move ProtoBase from api.records to api.records.impl.pb Major . Jian He Jian He
YARN-777 Remove unreferenced objects from proto Major . Jian He Jian He
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 Remove IpcSerializationType Major ipc Luke Lu Junping Du
MAPREDUCE-5304 mapreduce.Job killTask/failTask/getTaskCompletionEvents methods have incompatible signature changes Blocker . Alejandro Abdelnur Karthik Kambatla
YARN-530 Define Service model strictly, implement AbstractService for robust subclassing, migrate yarn-common services Major . Steve Loughran Steve Loughran
YARN-746 rename Service.register() and Service.unregister() to registerServiceListener() & unregisterServiceListener() respectively Major . Steve Loughran Steve Loughran
YARN-792 Move NodeHealthStatus from yarn.api.record to yarn.server.api.record Major . Jian He Jian He
YARN-806 Move ContainerExitStatus from yarn.api to yarn.api.records Major . Jian He Jian He
MAPREDUCE-4942 mapreduce.Job has a bunch of methods that throw InterruptedException so its incompatible with MR1 Major mrv2 Robert Kanter Robert Kanter
HDFS-4866 Protocol buffer support cannot compile under C Blocker namenode Ralph Castain Arpit Agarwal
YARN-821 Rename FinishApplicationMasterRequest.setFinishApplicationStatus to setFinalApplicationStatus to be consistent with getter Major . Jian He Jian He
YARN-787 Remove resource min from Yarn client API Blocker api Alejandro Abdelnur Alejandro Abdelnur
YARN-829 Rename RMTokenSelector to be RMDelegationTokenSelector Major . Zhijie Shen Zhijie Shen
YARN-828 Remove YarnVersionAnnotation Major . Zhijie Shen Zhijie Shen
YARN-823 Move RMAdmin from yarn.client to yarn.client.cli and rename as RMAdminCLI Major . Jian He Jian He
YARN-387 Fix inconsistent protocol naming Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
YARN-831 Remove resource min from GetNewApplicationResponse Blocker . Jian He Jian He
YARN-824 Add static factory to yarn client lib interface and change it to abstract class Major . Jian He Jian He
YARN-826 Move Clock/SystemClock to util package Major . Zhijie Shen Zhijie Shen
HADOOP-9649 Promote YARN service life-cycle libraries into Hadoop Common Blocker . Zhijie Shen Zhijie Shen
YARN-837 ClusterInfo.java doesn’t seem to belong to org.apache.hadoop.yarn Major . Zhijie Shen Zhijie Shen
YARN-822 Rename ApplicationToken to AMRMToken Major . Omkar Vinit Joshi Omkar Vinit Joshi
YARN-610 ClientToken (ClientToAMToken) should not be set in the environment Blocker . Siddharth Seth Omkar Vinit Joshi
YARN-834 Review/fix annotations for yarn-client module and clearly differentiate *Async apis Blocker . Arun C Murthy Zhijie Shen
YARN-840 Move ProtoUtils to yarn.api.records.pb.impl Major . Jian He Jian He
YARN-841 Annotate and document AuxService APIs Major . Siddharth Seth Vinod Kumar Vavilapalli
YARN-694 Start using NMTokens to authenticate all communication with NM Major . Omkar Vinit Joshi Omkar Vinit Joshi
YARN-553 Have YarnClient generate a directly usable ApplicationSubmissionContext Minor client Harsh J Karthik Kambatla
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 Convert SASL to use ProtoBuf and provide negotiation capabilities Blocker . Sanjay Radia Daryn Sharp
YARN-869 ResourceManagerAdministrationProtocol should neither be public(yet) nor in yarn.api Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
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 Wrap IpcConnectionContext in RPC headers Blocker ipc Luke Lu Daryn Sharp
YARN-701 ApplicationTokens should be used irrespective of kerberos Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
YARN-918 ApplicationMasterProtocol doesn’t need ApplicationAttemptId in the payload after YARN-701 Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
YARN-926 ContainerManagerProtcol APIs should take in requests for multiple containers Blocker . Vinod Kumar Vavilapalli Jian He
HADOOP-9698 RPCv9 client must honor server’s SASL negotiate response Blocker ipc Daryn Sharp Daryn Sharp
HADOOP-9832 Add RPC header to client ping Blocker ipc Daryn Sharp Daryn Sharp
HADOOP-9820 RPCv9 wire protocol is insufficient to support multiplexing Blocker ipc, security Daryn Sharp Daryn Sharp
HDFS-5083 Update the HDFS compatibility version range Blocker . Kihwal Lee Kihwal Lee
YARN-1056 Fix configs yarn.resourcemanager.resourcemanager.connect.{max.wait.secs|retry_interval.secs} Trivial . Karthik Kambatla Karthik Kambatla
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
HDFS-4124 Refactor INodeDirectory#getExistingPathINodes() to enable returning more than INode array Minor . Jing Zhao Jing Zhao
HADOOP-9283 Add support for running the Hadoop client on AIX Major security Aaron T. Myers Aaron T. Myers
HADOOP-9209 Add shell command to dump file checksums Major fs, tools Todd Lipcon Todd Lipcon
HDFS-1804 Add a new block-volume device choosing policy that looks at free space Minor datanode Harsh J Aaron T. Myers
MAPREDUCE-5129 Add tag info to JH files Minor . Billie Rinaldi Billie Rinaldi
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 Enhancements to support Hadoop on Windows Server and Windows Azure environments Major . Bikas Saha Bikas Saha
HDFS-3601 Implementation of ReplicaPlacementPolicyNodeGroup to support 4-layer network topology Major namenode Junping Du Junping Du
HDFS-3495 Update Balancer to support new NetworkTopology with NodeGroup Major balancer & mover Junping Du Junping Du
YARN-326 Add multi-resource scheduling to the fair scheduler Major scheduler Sandy Ryza Sandy Ryza
HADOOP-9509 Implement ONCRPC and XDR Major . Brandon Li Brandon Li
MAPREDUCE-5298 Move MapReduce services to YARN-117 stricter lifecycle Major applicationmaster Steve Loughran Steve Loughran
HADOOP-9515 Add general interface for NFS and Mount Major . Brandon Li Brandon Li
HDFS-4249 Add status NameNode startup to webUI Major namenode Suresh Srinivas Chris Nauroth
HADOOP-8040 Add symlink support to FileSystem Major fs Eli Collins Andrew Wang
HADOOP-9763 Extends LightWeightGSet to support eviction of expired elements Major util Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-3278 Umbrella Jira for HDFS-HA Phase 2 Major . Sanjay Radia Todd Lipcon

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HDFS-2572 Unnecessary double-check in DN#getHostName Trivial datanode Harsh J Harsh J
HDFS-2857 Cleanup BlockInfo class Major namenode Suresh Srinivas Suresh Srinivas
MAPREDUCE-3787 [Gridmix] Improve STRESS mode Major contrib/gridmix Amar Kamat Amar Kamat
HDFS-3163 TestHDFSCLI.testAll fails if the user name is not all lowercase Trivial test Brandon Li Brandon Li
HADOOP-8415 getDouble() and setDouble() in org.apache.hadoop.conf.Configuration Minor conf Jan van der Lugt Jan van der Lugt
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 avoid printing stack information for SafeModeException Major namenode Brandon Li Brandon Li
HDFS-3880 Use Builder to get RPC server in HDFS Minor datanode, ha, namenode, security Brandon Li Brandon Li
YARN-84 Use Builder to get RPC server in YARN Minor . Brandon Li Brandon Li
HDFS-4053 Increase the default block size Major . Eli Collins Eli Collins
HDFS-4151 Passing INodesInPath instead of INode[] in FSDirectory Minor namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-4152 Add a new class for the parameter in INode.collectSubtreeBlocksAndClear(..) Minor namenode Tsz Wo Nicholas Sze Jing Zhao
HDFS-4206 Change the fields in INode and its subclasses to private Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-4215 Improvements on INode and image loading Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-4234 Use the generic code for choosing datanode in Balancer Minor balancer & mover Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-8924 Add maven plugin alternative to shell script to save package-info.java Major build Chris Nauroth Chris Nauroth
YARN-385 ResourceRequestPBImpl’s toString() is missing location and # containers Major api Sandy Ryza Sandy Ryza
MAPREDUCE-4989 JSONify DataTables input data for Attempts page Major jobhistoryserver, mr-am Ravi Prakash Ravi Prakash
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 detabify LCEResourcesHandler classes Trivial nodemanager Steve Loughran Steve Loughran
HADOOP-9117 replace protoc ant plugin exec with a maven plugin Major build Alejandro Abdelnur Alejandro Abdelnur
MAPREDUCE-4846 Some JobQueueInfo methods are public in MR1 but protected in MR2 Major client Sandy Ryza Sandy Ryza
HDFS-4304 Make FSEditLogOp.MAX_OP_SIZE configurable Major namenode Todd Lipcon Colin P. McCabe
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 Update netty version Minor build Nicolas Liochon Nicolas Liochon
MAPREDUCE-5033 mapred shell script should respect usage flags (–help -help -h) Minor . Andrew Wang Andrew Wang
HADOOP-9336 Allow UGI of current connection to be queried Critical ipc Daryn Sharp Daryn Sharp
YARN-406 TestRackResolver fails when local network resolves “host1” to a valid host Minor . Hitesh Shah Hitesh Shah
HADOOP-9352 Expose UGI.setLoginUser for tests Major security Daryn Sharp Daryn Sharp
HADOOP-9343 Allow additional exceptions through the RPC layer Major . Siddharth Seth Siddharth Seth
HADOOP-8462 Native-code implementation of bzip2 codec Major io Govind Kamat Govind Kamat
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-4569 Small image transfer related cleanups. Trivial . Andrew Wang Andrew Wang
HADOOP-9379 capture the ulimit info after printing the log to the console Trivial . Arpit Gupta Arpit Gupta
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 Refreshing the RM page forgets how many rows I had in my Datatables Major resourcemanager Ravi Prakash Jian He
HADOOP-9318 when exiting on a signal, print the signal name first Minor . Colin P. McCabe Colin P. McCabe
MAPREDUCE-4990 Construct debug strings conditionally in ShuffleHandler.Shuffle#sendMapOutput() Trivial . Karthik Kambatla Karthik Kambatla
YARN-297 Improve hashCode implementations for PB records Major . Arun C Murthy Xuan Gong
HDFS-4246 The exclude node list should be more forgiving, for each output stream Minor hdfs-client Harsh J Harsh J
HADOOP-9227 FileSystemContractBaseTest doesn’t test filesystem’s mkdir/isDirectory() logic rigorously enough Trivial fs Steve Loughran Steve Loughran
HDFS-4635 Move BlockManager#computeCapacity to LightWeightGSet Major namenode Suresh Srinivas Suresh Srinivas
HADOOP-9253 Capture ulimit info in the logs at service start time Major . Arpit Gupta Arpit Gupta
YARN-447 applicationComparator improvement for CS Minor scheduler Nemon Lou Nemon Lou
YARN-382 SchedulerUtils improve way normalizeRequest sets the resource capabilities Major scheduler Thomas Graves Zhijie Shen
YARN-381 Improve FS docs Minor documentation Eli Collins Sandy Ryza
YARN-538 RM address DNS lookup can cause unnecessary slowness on every JHS page load Major . Sandy Ryza Sandy Ryza
HADOOP-9401 CodecPool: Add counters for number of (de)compressors leased out Major . Karthik Kambatla Karthik Kambatla
YARN-525 make CS node-locality-delay refreshable Major capacityscheduler Thomas Graves Thomas Graves
HDFS-3940 Add Gset#clear method and clear the block map when namenode is shutdown Minor . Eli Collins Suresh Srinivas
HDFS-4679 Namenode operation checks should be done in a consistent manner Major namenode Suresh Srinivas Suresh Srinivas
MAPREDUCE-5079 Recovery should restore task state from job history info directly Critical mr-am Jason Lowe Jason Lowe
MAPREDUCE-4974 Optimising the LineRecordReader initialize() method Major mrv1, mrv2, performance Arun A K Gelesh
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 mapred-default.xml is missing a bunch of history server configs Major documentation, jobhistoryserver Sandy Ryza Sandy Ryza
HADOOP-9450 HADOOP_USER_CLASSPATH_FIRST is not honored; CLASSPATH is PREpended instead of APpended Major scripts Mitch Wyle Harsh J
MAPREDUCE-5069 add concrete common implementations of CombineFileInputFormat Minor mrv1, mrv2 Sangjin Lee Sangjin Lee
HADOOP-9503 Remove sleep between IPC client connect timeouts Minor ipc Varun Sharma Varun Sharma
HDFS-4721 Speed up lease/block recovery when DN fails and a block goes into recovery Major namenode Varun Sharma Varun Sharma
HADOOP-9322 LdapGroupsMapping doesn’t seem to set a timeout for its directory search Minor security Harsh J Harsh J
HADOOP-9338 FsShell Copy Commands Should Optionally Preserve File Attributes Major fs Nick White Nick White
HADOOP-8608 Add Configuration API for parsing time durations Minor conf Todd Lipcon Chris Douglas
HADOOP-9483 winutils support for readlink command Major util Chris Nauroth Arpit Agarwal
HADOOP-9511 Adding support for additional input streams (FSDataInputStream and RandomAccessFile) in SecureIOUtils. Major . Omkar Vinit Joshi Omkar Vinit Joshi
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 Add virtual cores to queue metrics Major resourcemanager, scheduler Sandy Ryza Sandy Ryza
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 metrics2#JvmMetrics should have max memory size of JVM Minor metrics Tsuyoshi Ozawa Tsuyoshi Ozawa
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 provide client-side metrics for remote reads, local reads, and short-circuit reads Minor hdfs-client Colin P. McCabe Colin P. McCabe
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 Create a new HdfsConfiguration before each TestDFSClientRetries testcases Major . Tian Hong Wang Tian Hong Wang
MAPREDUCE-5246 Adding application type to submission context Major . Mayank Bansal Mayank Bansal
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 Update junit dependency Major build Timothy St. Clair
HDFS-3498 Make Replica Removal Policy pluggable and ReplicaPlacementPolicyDefault extensible for reusing code in subclass Major namenode Junping Du Junping Du
MAPREDUCE-5268 Improve history server startup performance Major jobhistoryserver Jason Lowe Karthik Kambatla
MAPREDUCE-5283 Over 10 different tests have near identical implementations of AppContext Major applicationmaster, test Sandy Ryza Sandy Ryza
HADOOP-9604 Wrong Javadoc of FSDataOutputStream Minor fs Jingguo Yao Jingguo Yao
HADOOP-9625 HADOOP_OPTS not picked up by hadoop command Minor bin, conf Paul Han Paul Han
YARN-600 Hook up cgroups CPU settings to the number of virtual cores allocated Major resourcemanager, scheduler Sandy Ryza Sandy Ryza
YARN-117 Enhance YARN service model Major . Steve Loughran Steve Loughran
YARN-782 vcores-pcores ratio functions differently from vmem-pmem ratio in misleading way Critical nodemanager Sandy Ryza Sandy Ryza
MAPREDUCE-3533 have the service interface extend Closeable and use close() as its shutdown operation Minor mrv2 Steve Loughran
YARN-803 factor out scheduler config validation from the ResourceManager to each scheduler implementation Major resourcemanager, scheduler Alejandro Abdelnur Alejandro Abdelnur
YARN-789 Enable zero capabilities resource requests in fair scheduler Major scheduler Alejandro Abdelnur Alejandro Abdelnur
YARN-752 In AMRMClient, automatically add corresponding rack requests for requested nodes Major api, applications Sandy Ryza Sandy Ryza
MAPREDUCE-5171 Expose blacklisted nodes from the MR AM REST API Major applicationmaster Sandy Ryza Sandy Ryza
HDFS-4461 DirectoryScanner: volume path prefix takes up memory for every block that is scanned Minor . Colin P. McCabe Colin P. McCabe
HDFS-4914 When possible, Use DFSClient.Conf instead of Configuration Minor hdfs-client Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-4772 Add number of children in HdfsFileStatus Minor namenode Brandon Li Brandon Li
YARN-736 Add a multi-resource fair sharing metric Major scheduler Sandy Ryza Sandy Ryza
HADOOP-9661 Allow metrics sources to be extended Major metrics Sandy Ryza Sandy Ryza
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 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 Expose Fair Scheduler-specific queue metrics Major scheduler Sandy Ryza Sandy Ryza
HADOOP-9676 make maximum RPC buffer size configurable Minor . Colin P. McCabe Colin P. McCabe
HDFS-4465 Optimize datanode ReplicasMap and ReplicaInfo Major datanode Suresh Srinivas Aaron T. Myers
HDFS-4645 Move from randomly generated block ID to sequentially generated block ID Major namenode Suresh Srinivas Arpit Agarwal
HDFS-4978 Make disallowSnapshot idempotent Major . Jing Zhao Jing Zhao
HDFS-4912 Cleanup FSNamesystem#startFileInternal Major namenode Suresh Srinivas Suresh Srinivas
HDFS-4521 invalid network topologies should not be cached Minor . Colin P. McCabe Colin P. McCabe
HDFS-2042 Require c99 when building libhdfs Minor libhdfs Eli Collins
HDFS-4992 Make balancer’s thread count configurable Major balancer & mover Max Lapan Max Lapan
MAPREDUCE-5398 MR changes for YARN-513 Major . Bikas Saha Jian He
HADOOP-9734 Common protobuf definitions for GetUserMappingsProtocol, RefreshAuthorizationPolicyProtocol and RefreshUserMappingsProtocol Minor ipc Jason Lowe Jason Lowe
HDFS-4903 Print trash configuration and trash emptier state in namenode log Minor namenode Suresh Srinivas Arpit Agarwal
YARN-865 RM webservices can’t query based on application Types Major . Xuan Gong Xuan Gong
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 Print paths of loaded native libraries in NativeLibraryChecker Minor native Binglin Chang Binglin Chang
HADOOP-9717 Add retry attempt count to the RPC requests Major ipc Suresh Srinivas Jing Zhao
HDFS-5007 Replace hard-coded property keys with DFSConfigKeys fields Minor . Kousuke Saruta Kousuke Saruta
HDFS-5010 Reduce the frequency of getCurrentUser() calls from namenode Major namenode, performance Kihwal Lee Kihwal Lee
HADOOP-9688 Add globally unique Client ID to RPC requests Blocker ipc Suresh Srinivas Suresh Srinivas
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 Move the Rpc request call ID generation to client side InvocationHandler Major ipc Suresh Srinivas Tsz Wo Nicholas Sze
HADOOP-9751 Add clientId and retryCount to RpcResponseHeaderProto Major ipc Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-9754 Clean up RPC code Minor ipc Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-5008 Make ClientProtocol#abandonBlock() idempotent Major namenode Suresh Srinivas Jing Zhao
HADOOP-9760 Move GSet and LightWeightGSet to hadoop-common Major util Suresh Srinivas Suresh Srinivas
HDFS-5020 Make DatanodeProtocol#blockReceivedAndDeleted idempotent Major namenode Jing Zhao Jing Zhao
HADOOP-9762 RetryCache utility for implementing RPC retries Major util Suresh Srinivas Suresh Srinivas
HADOOP-9770 Make RetryCache#state non volatile Minor util Suresh Srinivas Suresh Srinivas
HADOOP-9756 Additional cleanup RPC code Minor ipc Junping Du Junping Du
YARN-347 YARN CLI should show CPU info besides memory info in node status Major client Junping Du Junping Du
HDFS-5027 On startup, DN should scan volumes in parallel Major datanode Aaron T. Myers Aaron T. Myers
HADOOP-9792 Retry the methods that are tagged @AtMostOnce along with @Idempotent Major ipc Suresh Srinivas Suresh Srinivas
MAPREDUCE-5352 Optimize node local splits generated by CombineFileInputFormat Major . Siddharth Seth Siddharth Seth
HADOOP-9845 Update protobuf to 2.5 from 2.4.x Blocker performance stack Alejandro Abdelnur
YARN-1045 Improve toString implementation for PBImpls Major . Siddharth Seth Jian He
HDFS-4942 Add retry cache support in Namenode Major ha, namenode Suresh Srinivas Suresh Srinivas

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HDFS-3009 DFSClient islocaladdress() can use similar routine in netutils Trivial hdfs-client Hari Mankude Hari Mankude
MAPREDUCE-2722 Gridmix simulated job’s map’s hdfsBytesRead counter is wrong when compressed input is used Major contrib/gridmix Ravi Gummadi Ravi Gummadi
MAPREDUCE-3829 [Gridmix] Gridmix should give better error message when input-data directory already exists and -generate option is given Major contrib/gridmix Ravi Gummadi Ravi Gummadi
MAPREDUCE-3953 Gridmix throws NPE and does not simulate a job if the trace contains null taskStatus for a task Major . Ravi Gummadi Ravi Gummadi
MAPREDUCE-3757 Rumen Folder is not adjusting the shuffleFinished and sortFinished times of reduce task attempts Major tools/rumen Ravi Gummadi Ravi Gummadi
MAPREDUCE-4083 GridMix emulated job tasks.resource-usage emulator for CPU usage throws NPE when Trace contains cumulativeCpuUsage value of 0 at attempt level Major contrib/gridmix Karam Singh Amar Kamat
MAPREDUCE-4149 Rumen fails to parse certain counter strings Major tools/rumen Ravi Gummadi Ravi Gummadi
MAPREDUCE-4100 Sometimes gridmix emulates data larger much larger then acutal counter for map only jobs Minor contrib/gridmix Karam Singh Amar Kamat
MAPREDUCE-4356 Provide access to ParsedTask.obtainTaskAttempts() Major tools/rumen Ravi Gummadi Ravi Gummadi
HDFS-3792 Fix two findbugs introduced by HDFS-3695 Trivial build, namenode Todd Lipcon Todd Lipcon
HDFS-4209 Clean up the addNode/addChild/addChildNoQuotaCheck methods in FSDirectory Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-4243 INodeDirectory.replaceChild(..) does not update parent Major namenode Tsz Wo Nicholas Sze Jing Zhao
HDFS-4296 Add layout version for HDFS-4256 for release 1.2.0 Major namenode Suresh Srinivas Suresh Srinivas
HDFS-4382 Fix typo MAX_NOT_CHANGED_INTERATIONS Major . Ted Yu Ted Yu
YARN-319 Submit a job to a queue that not allowed in fairScheduler, client will hold forever. Major resourcemanager, scheduler Hong Shen Hong Shen
HADOOP-9245 mvn clean without running mvn install before fails Major build Karthik Kambatla Karthik Kambatla
HADOOP-9264 port change to use Java untar API on Windows from branch-1-win to trunk Major fs Chris Nauroth Chris Nauroth
MAPREDUCE-4671 AM does not tell the RM about container requests that are no longer needed Major . Bikas Saha Bikas Saha
YARN-383 AMRMClientImpl should handle null rmClient in stop() Minor . Hitesh Shah Hitesh Shah
HDFS-4470 several HDFS tests attempt file operations on invalid HDFS paths when running on Windows Major . Chris Nauroth Chris Nauroth
YARN-377 Fix TestContainersMonitor for HADOOP-9252 Minor . Tsz Wo Nicholas Sze Chris Nauroth
HDFS-4471 Namenode WebUI file browsing does not work with wildcard addresses configured Major namenode Andrew Wang Andrew Wang
YARN-362 Unexpected extra results when using webUI table search Minor . Jason Lowe Ravi Prakash
HADOOP-9294 GetGroupsTestBase fails on Windows Major test Chris Nauroth Chris Nauroth
HDFS-4342 Edits dir in dfs.namenode.edits.dir.required will be silently ignored if it is not in dfs.namenode.edits.dir Major namenode Mark Yang Arpit Agarwal
HADOOP-9302 HDFS docs not linked from top level Major documentation Thomas Graves Andy Isaacson
HADOOP-9303 command manual dfsadmin missing entry for restoreFailedStorage option Major . Thomas Graves Andy Isaacson
HADOOP-9246 Execution phase for hadoop-maven-plugin should be process-resources Major build Karthik Kambatla Karthik Kambatla
MAPREDUCE-5000 TaskImpl.getCounters() can return the counters for the wrong task attempt when task is speculating Critical mr-am Jason Lowe Jason Lowe
HADOOP-9305 Add support for running the Hadoop client on 64-bit AIX Major security Aaron T. Myers Aaron T. Myers
HDFS-4495 Allow client-side lease renewal to be retried beyond soft-limit Major hdfs-client Kihwal Lee Kihwal Lee
MAPREDUCE-4994 -jt generic command line option does not work Major client Sandy Ryza Sandy Ryza
HADOOP-9297 remove old record IO generation and tests Major . Alejandro Abdelnur Alejandro Abdelnur
HADOOP-9154 SortedMapWritable#putAll() doesn’t add key/value classes to the map Major io Karthik Kambatla Karthik Kambatla
HADOOP-9304 remove addition of avro genreated-sources dirs to build Major build Alejandro Abdelnur Alejandro Abdelnur
MAPREDUCE-5009 Killing the Task Attempt slated for commit does not clear the value from the Task commitAttempt member Critical mrv1 Robert Parker Robert Parker
YARN-400 RM can return null application resource usage report leading to NPE in client Critical resourcemanager Jason Lowe Jason Lowe
YARN-236 RM should point tracking URL to RM web page when app fails to start Major resourcemanager Jason Lowe Jason Lowe
MAPREDUCE-5013 mapred.JobStatus compatibility: MR2 missing constructors from MR1 Major client Sandy Ryza Sandy Ryza
HADOOP-9267 hadoop -help, -h, –help should show usage instructions Minor . Andrew Wang Andrew Wang
HDFS-4269 DatanodeManager#registerDatanode rejects all datanode registrations from localhost in single-node developer setup Major namenode Chris Nauroth Chris Nauroth
HDFS-4222 NN is unresponsive and loses heartbeats of DNs when Hadoop is configured to use LDAP and LDAP has issues Minor namenode Xiaobo Peng Xiaobo Peng
HADOOP-8569 CMakeLists.txt: define _GNU_SOURCE and _LARGEFILE_SOURCE Minor . Colin P. McCabe Colin P. McCabe
HADOOP-9323 Typos in API documentation Minor documentation, fs, io, record Hao Zhong Suresh Srinivas
HDFS-4235 when outputting XML, OfflineEditsViewer can’t handle some edits containing non-ASCII strings Minor . Colin P. McCabe Colin P. McCabe
HADOOP-7487 DF should throw a more reasonable exception when mount cannot be determined Major fs Todd Lipcon Andrew Wang
YARN-390 ApplicationCLI and NodeCLI use hard-coded platform-specific line separator, which causes test failures on Windows Major client Chris Nauroth Chris Nauroth
HADOOP-8917 add LOCALE.US to toLowerCase in SecurityUtil.replacePattern Major . Arpit Gupta Arpit Gupta
MAPREDUCE-5008 Merger progress miscounts with respect to EOF_MARKER Major . Sandy Ryza Sandy Ryza
YARN-426 Failure to download a public resource on a node prevents further downloads of the resource from that node Critical nodemanager Jason Lowe Jason Lowe
MAPREDUCE-4892 CombineFileInputFormat node input split can be skewed on small clusters Major . Bikas Saha Bikas Saha
MAPREDUCE-4693 Historyserver should provide counters for failed tasks Major jobhistoryserver, mrv2 Jason Lowe Xuan Gong
HADOOP-9339 IPC.Server incorrectly sets UGI auth type Major ipc Daryn Sharp Daryn Sharp
HADOOP-9342 Remove jline from distribution Major build Thomas Weise Thomas Weise
HADOOP-9230 TestUniformSizeInputFormat fails intermittently Major test Karthik Kambatla Karthik Kambatla
MAPREDUCE-4871 AM uses mapreduce.jobtracker.split.metainfo.maxsize but mapred-default has mapreduce.job.split.metainfo.maxsize Major mrv2 Jason Lowe Jason Lowe
YARN-269 Resource Manager not logging the health_check_script result when taking it out Major resourcemanager Thomas Graves Jason Lowe
HDFS-4518 Finer grained metrics for HDFS capacity Major . Arpit Agarwal Arpit Agarwal
HADOOP-9349 Confusing output when running hadoop version from one hadoop installation when HADOOP_HOME points to another Major tools Sandy Ryza Sandy Ryza
YARN-376 Apps that have completed can appear as RUNNING on the NM UI Blocker resourcemanager Jason Lowe Jason Lowe
MAPREDUCE-4896 “mapred queue -info” spits out ugly exception when queue does not exist Major client, scheduler Sandy Ryza Sandy Ryza
YARN-380 yarn node -status prints Last-Last-Health-Update Major client Thomas Graves Omkar Vinit Joshi
YARN-410 New lines in diagnostics for a failed app on the per-application page make it hard to read Major . Vinod Kumar Vavilapalli Omkar Vinit Joshi
MAPREDUCE-4794 DefaultSpeculator generates error messages on normal shutdown Major applicationmaster Jason Lowe Jason Lowe
HDFS-4128 2NN gets stuck in inconsistent state if edit log replay fails in the middle Major namenode Todd Lipcon Kihwal Lee
HDFS-4532 RPC call queue may fill due to current user lookup Critical namenode Daryn Sharp Daryn Sharp
HDFS-4541 set hadoop.log.dir and hadoop.id.str when starting secure datanode so it writes the logs to the correct dir by default Major datanode, security Arpit Gupta Arpit Gupta
YARN-448 Remove unnecessary hflush from log aggregation Major nodemanager Kihwal Lee Kihwal Lee
MAPREDUCE-5043 Fetch failure processing can cause AM event queue to backup and eventually OOM Blocker mr-am Jason Lowe Jason Lowe
YARN-345 Many InvalidStateTransitonException errors for ApplicationImpl in Node Manager Critical nodemanager Devaraj K Robert Parker
HADOOP-9337 org.apache.hadoop.fs.DF.getMount() does not work on Mac OS Major . Ivan A. Veselovsky Ivan A. Veselovsky
HDFS-4540 namenode http server should use the web authentication keytab for spnego principal Major security Arpit Gupta Arpit Gupta
HDFS-4519 Support override of jsvc binary and log file locations when launching secure datanode. Major datanode, scripts Chris Nauroth Chris Nauroth
YARN-227 Application expiration difficult to debug for end-users Major resourcemanager Jason Lowe Jason Lowe
MAPREDUCE-5027 Shuffle does not limit number of outstanding connections Major . Jason Lowe Robert Parker
MAPREDUCE-3685 There are some bugs in implementation of MergeManager Critical mrv2 anty.rao anty
HDFS-4544 Error in deleting blocks should not do check disk, for all types of errors Major . Amareshwari Sriramadasu Arpit Agarwal
HADOOP-9373 Merge CHANGES.branch-trunk-win.txt to CHANGES.txt Minor . Suresh Srinivas Suresh Srinivas
HADOOP-9372 Fix bad timeout annotations on tests Major . Arpit Agarwal Arpit Agarwal
HADOOP-9376 TestProxyUserFromEnv fails on a Windows domain joined machine Major . Ivan Mitic Ivan Mitic
HADOOP-9365 TestHAZKUtil fails on Windows Major . Ivan Mitic Ivan Mitic
HADOOP-9364 PathData#expandAsGlob does not return correct results for absolute paths on Windows Major . Ivan Mitic Ivan Mitic
HADOOP-9369 DNS#reverseDns() can return hostname with . appended at the end Major net Karthik Kambatla Karthik Kambatla
HDFS-4573 Fix TestINodeFile on Windows Major test Arpit Agarwal Arpit Agarwal
HADOOP-8973 DiskChecker cannot reliably detect an inaccessible disk on Windows with NTFS ACLs Major util Chris Nauroth Chris Nauroth
HDFS-4572 Fix TestJournal failures on Windows Major namenode, test Arpit Agarwal Arpit Agarwal
HDFS-4287 HTTPFS tests fail on Windows Major webhdfs Chris Nauroth Chris Nauroth
HADOOP-9388 TestFsShellCopy fails on Windows Major . Ivan Mitic Ivan Mitic
HDFS-4586 TestDataDirs.testGetDataDirsFromURIs fails with all directories in dfs.datanode.data.dir are invalid Major . Ivan Mitic Ivan Mitic
MAPREDUCE-5060 Fetch failures that time out only count against the first map task Critical . Robert Joseph Evans Robert Joseph Evans
HDFS-4013 TestHftpURLTimeouts throws NPE Trivial hdfs-client Chao Shi Chao Shi
HDFS-4592 Default values for access time precision are out of sync between hdfs-default.xml and the code Minor namenode Aaron T. Myers Aaron T. Myers
HDFS-4522 LightWeightGSet expects incrementing a volatile to be atomic Minor . Colin P. McCabe Colin P. McCabe
HDFS-4484 libwebhdfs compilation broken with gcc 4.6.2 Minor . Colin P. McCabe Colin P. McCabe
HDFS-4593 TestSaveNamespace fails on Windows Major . Arpit Agarwal Arpit Agarwal
HDFS-4595 When short circuit read is fails, DFSClient does not fallback to regular reads Major hdfs-client Suresh Srinivas Suresh Srinivas
HDFS-4583 TestNodeCount fails Major . Ivan Mitic Ivan Mitic
HDFS-4582 TestHostsFiles fails on Windows Major . Ivan Mitic Ivan Mitic
HDFS-4591 HA clients can fail to fail over while Standby NN is performing long checkpoint Major ha, namenode Aaron T. Myers Aaron T. Myers
HADOOP-9397 Incremental dist tar build fails Major build Jason Lowe Chris Nauroth
HDFS-3277 fail over to loading a different FSImage if the first one we try to load is corrupt Major . Colin P. McCabe Andrew Wang
HDFS-4596 Shutting down namenode during checkpointing can lead to md5sum error Major namenode Andrew Wang Andrew Wang
HADOOP-9408 misleading description for net.topology.table.file.name property in core-default.xml Minor conf rajeshbabu rajeshbabu
YARN-196 Nodemanager should be more robust in handling connection failure to ResourceManager when a cluster is started Major nodemanager Ramgopal N Xuan Gong
HDFS-4603 TestMiniDFSCluster fails on Windows Major . Ivan Mitic Ivan Mitic
MAPREDUCE-4571 TestHsWebServicesJobs fails on jdk7 Major webapps Thomas Graves Thomas Graves
MAPREDUCE-4716 TestHsWebServicesJobsQuery.testJobsQueryStateInvalid fails with jdk7 Major jobhistoryserver Thomas Graves Thomas Graves
HDFS-4604 TestJournalNode fails on Windows Major . Ivan Mitic Ivan Mitic
MAPREDUCE-5042 Reducer unable to fetch for a map task that was recovered Blocker mr-am, security Jason Lowe Jason Lowe
YARN-485 TestProcfsProcessTree#testProcessTree() doesn’t wait long enough for the process to die Major . Karthik Kambatla Karthik Kambatla
YARN-481 Add AM Host and RPC Port to ApplicationCLI Status Output Major client Chris Riccomini Chris Riccomini
HDFS-4614 FSNamesystem#getContentSummary should use getPermissionChecker helper method Trivial namenode Aaron T. Myers Aaron T. Myers
MAPREDUCE-5075 DistCp leaks input file handles Major distcp Chris Nauroth Chris Nauroth
YARN-488 TestContainerManagerSecurity fails on Windows Major nodemanager Chris Nauroth Chris Nauroth
YARN-490 TestDistributedShell fails on Windows Major applications/distributed-shell Chris Nauroth Chris Nauroth
YARN-491 TestContainerLogsPage fails on Windows Major nodemanager Chris Nauroth Chris Nauroth
MAPREDUCE-5078 TestMRAppMaster fails on Windows due to mismatched path separators Major client Chris Nauroth Chris Nauroth
MAPREDUCE-3872 event handling races in ContainerLauncherImpl and TestContainerLauncher Major client, mrv2 Patrick Hunt Robert Kanter
HDFS-4620 Documentation for dfs.namenode.rpc-address specifies wrong format Major documentation Sandy Ryza Sandy Ryza
HDFS-4607 TestGetConf#testGetSpecificKey fails on Windows Minor test Ivan Mitic Ivan Mitic
HDFS-4609 TestAuditLogs should release log handles between tests Minor test Ivan Mitic Ivan Mitic
HDFS-4615 Fix TestDFSShell failures on Windows Major test Arpit Agarwal Arpit Agarwal
HDFS-4584 Fix TestNNWithQJM failures on Windows Major test Arpit Agarwal Arpit Agarwal
HADOOP-9387 TestDFVariations fails on Windows after the merge Minor fs Ivan Mitic Ivan Mitic
HADOOP-9353 Activate native-win profile by default on Windows Major build Arpit Agarwal Arpit Agarwal
HADOOP-9228 FileSystemContractTestBase never verifies that files are files Minor fs Steve Loughran Steve Loughran
YARN-109 .tmp file is not deleted for localized archives Major nodemanager Jason Lowe Mayank Bansal
YARN-71 Ensure/confirm that the NodeManager cleans up local-dirs on restart Critical nodemanager Vinod Kumar Vavilapalli Xuan Gong
MAPREDUCE-5062 MR AM should read max-retries information from the RM Major . Vinod Kumar Vavilapalli Zhijie Shen
HDFS-4598 WebHDFS concat: the default value of sources in the code does not match the doc Minor webhdfs Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
MAPREDUCE-5077 Cleanup: mapreduce.util.ResourceCalculatorPlugin and related code should be removed Minor mrv2 Karthik Kambatla Karthik Kambatla
HADOOP-9430 TestSSLFactory fails on IBM JVM Major security Amir Sanjar
YARN-496 Fair scheduler configs are refreshed inconsistently in reinitialize Minor scheduler Sandy Ryza Sandy Ryza
YARN-474 CapacityScheduler does not activate applications when maximum-am-resource-percent configuration is refreshed Major capacityscheduler Hitesh Shah Zhijie Shen
HDFS-4621 additional logging to help diagnose slow QJM logSync Minor ha, qjm Todd Lipcon Todd Lipcon
HDFS-4618 default for checkpoint txn interval is too low Major namenode Todd Lipcon Todd Lipcon
YARN-209 Capacity scheduler doesn’t trigger app-activation after adding nodes Major capacityscheduler Bikas Saha Zhijie Shen
HADOOP-9358 “Auth failed” log should include exception string Major ipc, security Todd Lipcon Todd Lipcon
HADOOP-9125 LdapGroupsMapping threw CommunicationException after some idle time Major security Kai Zheng Kai Zheng
YARN-24 Nodemanager fails to start if log aggregation enabled and namenode unavailable Major nodemanager Jason Lowe Sandy Ryza
HADOOP-9150 Unnecessary DNS resolution attempts for logical URIs Critical fs/s3, ha, performance, viewfs Todd Lipcon Todd Lipcon
YARN-460 CS user left in list of active users for the queue even when application finished Blocker capacityscheduler Thomas Graves Thomas Graves
MAPREDUCE-4992 AM hangs in RecoveryService when recovering tasks with speculative attempts Critical mr-am Robert Parker Robert Parker
YARN-515 Node Manager not getting the master key Blocker . Robert Joseph Evans Robert Joseph Evans
HDFS-4655 DNA_FINALIZE is logged as being an unknown command by the DN when received from the standby NN Minor datanode Aaron T. Myers Aaron T. Myers
HDFS-4658 Standby NN will log that it has received a block report “after becoming active” Trivial ha, namenode Aaron T. Myers Aaron T. Myers
YARN-101 If the heartbeat message loss, the nodestatus info of complete container will loss too. Minor nodemanager xieguiming Xuan Gong
YARN-458 YARN daemon addresses must be placed in many different configs Major nodemanager, resourcemanager Sandy Ryza Sandy Ryza
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-9429 TestConfiguration fails with IBM JAVA Major test Amir Sanjar
HDFS-4625 Make TestNNWithQJM#testNewNamenodeTakesOverWriter work on Windows Minor test Arpit Agarwal Ivan Mitic
YARN-532 RMAdminProtocolPBClientImpl should implement Closeable Major . Siddharth Seth Siddharth Seth
YARN-193 Scheduler.normalizeRequest does not account for allocation requests that exceed maximumAllocation limits Major resourcemanager Hitesh Shah Zhijie Shen
YARN-479 NM retry behavior for connection to RM should be similar for lost heartbeats Major . Hitesh Shah Jian He
YARN-557 TestUnmanagedAMLauncher fails on Windows Major applications Chris Nauroth Chris Nauroth
HDFS-4676 TestHDFSFileSystemContract should set MiniDFSCluster variable to null to free up memory Minor test Suresh Srinivas Suresh Srinivas
HDFS-4674 TestBPOfferService fails on Windows due to failure parsing datanode data directory as URI Major test Chris Nauroth Chris Nauroth
HDFS-4669 TestBlockPoolManager fails using IBM java Major test Tian Hong Wang Tian Hong Wang
MAPREDUCE-5138 Fix LocalDistributedCacheManager after YARN-112 Major . Vinod Kumar Vavilapalli Omkar Vinit Joshi
HDFS-4643 Fix flakiness in TestQuorumJournalManager Trivial qjm, test Todd Lipcon Todd Lipcon
HADOOP-9437 TestNativeIO#testRenameTo fails on Windows due to assumption that POSIX errno is embedded in NativeIOException Major test Chris Nauroth Chris Nauroth
YARN-487 TestDiskFailures fails on Windows due to path mishandling Major nodemanager Chris Nauroth Chris Nauroth
YARN-495 Change NM behavior of reboot to resync Major . Jian He Jian He
MAPREDUCE-5113 Streaming input/output types are ignored with java mapper/reducer Major . Sandy Ryza Sandy Ryza
MAPREDUCE-5098 Fix findbugs warnings in gridmix Major contrib/gridmix Karthik Kambatla Karthik Kambatla
MAPREDUCE-5137 AM web UI: clicking on Map Task results in 500 error Major applicationmaster Thomas Graves Thomas Graves
MAPREDUCE-5136 TestJobImpl->testJobNoTasks fails with IBM JAVA Major . Amir Sanjar Amir Sanjar
MAPREDUCE-4981 WordMean, WordMedian, WordStandardDeviation missing from ExamplesDriver Minor . Plamen Jeliazkov Plamen Jeliazkov
MAPREDUCE-5139 Update MR App after YARN-486 Major . Vinod Kumar Vavilapalli Xuan Gong
MAPREDUCE-4985 TestDFSIO supports compression but usages doesn’t reflect Trivial . Plamen Jeliazkov Plamen Jeliazkov
MAPREDUCE-4885 Streaming tests have multiple failures on Windows Major contrib/streaming, test Chris Nauroth Chris Nauroth
YARN-412 FifoScheduler incorrectly checking for node locality Minor scheduler Roger Hoover Roger Hoover
HADOOP-9211 HADOOP_CLIENT_OPTS default setting fixes max heap size at 128m, disregards HADOOP_HEAPSIZE Major conf Sarah Weissman Plamen Jeliazkov
HDFS-4639 startFileInternal() should not increment generation stamp Major namenode Konstantin Shvachko Plamen Jeliazkov
MAPREDUCE-5151 Update MR App after YARN-444 Major . Vinod Kumar Vavilapalli Sandy Ryza
HDFS-4693 Some test cases in TestCheckpoint do not clean up after themselves Minor test Arpit Agarwal Arpit Agarwal
MAPREDUCE-5065 DistCp should skip checksum comparisons if block-sizes are different on source/target. Major distcp Mithun Radhakrishnan Mithun Radhakrishnan
YARN-500 ResourceManager webapp is using next port if configured port is already in use Major resourcemanager Nishan Shetty Kenji Kikushima
HDFS-4695 TestEditLog leaks open file handles between tests Major test Ivan Mitic Ivan Mitic
MAPREDUCE-5140 MR part of YARN-514 Major . Zhijie Shen Zhijie Shen
YARN-476 ProcfsBasedProcessTree info message confuses users Minor . Jason Lowe Sandy Ryza
YARN-585 TestFairScheduler#testNotAllowSubmitApplication is broken due to YARN-514 Major . Zhijie Shen Zhijie Shen
MAPREDUCE-4898 FileOutputFormat.checkOutputSpecs and FileOutputFormat.setOutputPath incompatible with MR1 Major mrv2 Robert Kanter Robert Kanter
MAPREDUCE-5152 MR App is not using Container from RM Major . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
MAPREDUCE-4932 mapreduce.job#getTaskCompletionEvents incompatible with Hadoop 1 Major mrv2 Robert Kanter Robert Kanter
MAPREDUCE-5163 Update MR App after YARN-441 Major . Vinod Kumar Vavilapalli Xuan Gong
YARN-493 NodeManager job control logic flaws on Windows Major nodemanager Chris Nauroth Chris Nauroth
HADOOP-9486 Promote Windows and Shell related utils from YARN to Hadoop Common Major . Vinod Kumar Vavilapalli Chris Nauroth
HDFS-4699 TestPipelinesFailover#testPipelineRecoveryStress fails sporadically Major test Chris Nauroth Chris Nauroth
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
YARN-593 container launch on Windows does not correctly populate classpath with new process’s environment variables and localized resources Major nodemanager Chris Nauroth Chris Nauroth
MAPREDUCE-4987 TestMRJobs#testDistributedCache fails on Windows due to classpath problems and unexpected behavior of symlinks Major distributed-cache, nodemanager Chris Nauroth Chris Nauroth
MAPREDUCE-5147 Maven build should create hadoop-mapreduce-client-app-VERSION.jar directly Major mrv2 Robert Parker Robert Parker
HADOOP-9469 mapreduce/yarn source jars not included in dist tarball Major . Thomas Graves Robert Parker
YARN-586 Typo in ApplicationSubmissionContext#setApplicationId Trivial . Zhijie Shen Zhijie Shen
YARN-542 Change the default global AM max-attempts value to be not one Major . Vinod Kumar Vavilapalli Zhijie Shen
MAPREDUCE-5066 JobTracker should set a timeout when calling into job.end.notification.url Major . Ivan Mitic Ivan Mitic
HADOOP-9443 Port winutils static code analysis change to trunk Major . Chuan Liu Chuan Liu
YARN-594 Update test and add comments in YARN-534 Major . Jian He Jian He
HADOOP-9473 typo in FileUtil copy() method Trivial fs Glen Mazza
MAPREDUCE-5146 application classloader may be used too early to load classes Minor task Sangjin Lee Sangjin Lee
HDFS-4725 fix HDFS file handle leaks Major namenode, test, tools Chris Nauroth Chris Nauroth
HDFS-4732 TestDFSUpgradeFromImage fails on Windows due to failure to unpack old image tarball that contains hard links Minor test Chris Nauroth Chris Nauroth
MAPREDUCE-5175 Update MR App to not set envs that will be set by NMs anyways after YARN-561 Major . Vinod Kumar Vavilapalli Xuan Gong
HDFS-4737 JVM path embedded in fuse binaries Major . Sean Mackrory Sean Mackrory
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
YARN-605 Failing unit test in TestNMWebServices when using git for source control Major . Hitesh Shah Hitesh Shah
HDFS-4739 NN can miscalculate the number of extra edit log segments to retain Major namenode Aaron T. Myers Aaron T. Myers
MAPREDUCE-5166 ConcurrentModificationException in LocalJobRunner Blocker . Gunther Hagleitner Sandy Ryza
MAPREDUCE-5181 RMCommunicator should not use AMToken from the env Major applicationmaster Siddharth Seth Vinod Kumar Vavilapalli
HDFS-4745 TestDataTransferKeepalive#testSlowReader has race condition that causes sporadic failure Major test Chris Nauroth Chris Nauroth
MAPREDUCE-5178 Fix use of BuilderUtils#newApplicationReport as a result of YARN-577. Major . Hitesh Shah Hitesh Shah
YARN-289 Fair scheduler allows reservations that won’t fit on node Major . Sandy Ryza Sandy Ryza
YARN-363 yarn proxyserver fails to find webapps/proxy directory on startup Major . Jason Lowe Kenji Kikushima
MAPREDUCE-5167 Update MR App after YARN-562 Major . Vinod Kumar Vavilapalli Jian He
HDFS-4768 File handle leak in datanode when a block pool is removed Major datanode Chris Nauroth Chris Nauroth
HDFS-4741 TestStorageRestore#testStorageRestoreFailure fails on Windows Major test Arpit Agarwal Arpit Agarwal
HDFS-4748 MiniJournalCluster#restartJournalNode leaks resources, which causes sporadic test failures Major qjm, test Chris Nauroth Chris Nauroth
HDFS-4743 TestNNStorageRetentionManager fails on Windows Major test Chris Nauroth Chris Nauroth
HDFS-4740 Fixes for a few test failures on Windows Major test Arpit Agarwal Arpit Agarwal
HDFS-4722 TestGetConf#testFederation times out on Windows Major test Ivan Mitic Ivan Mitic
HADOOP-9500 TestUserGroupInformation#testGetServerSideGroups fails on Windows due to failure to find winutils.exe Major test Chris Nauroth Chris Nauroth
HADOOP-9490 LocalFileSystem#reportChecksumFailure not closing the checksum file handle before rename Major fs Ivan Mitic Ivan Mitic
HDFS-4705 Address HDFS test failures on Windows because of invalid dfs.namenode.name.dir Minor . Ivan Mitic Ivan Mitic
YARN-576 RM should not allow registrations from NMs that do not satisfy minimum scheduler allocations Major . Hitesh Shah Kenji Kikushima
MAPREDUCE-5179 Change TestHSWebServices to do string equal check on hadoop build version similar to YARN-605 Major . Hitesh Shah Hitesh Shah
HADOOP-9524 Fix ShellCommandFencer to work on Windows Major ha Arpit Agarwal Arpit Agarwal
HDFS-4734 HDFS Tests that use ShellCommandFencer are broken on Windows Major . Arpit Agarwal Arpit Agarwal
HDFS-4733 Make HttpFS username pattern configurable Major . Alejandro Abdelnur Alejandro Abdelnur
HADOOP-9290 Some tests cannot load native library Major build, native Arpit Agarwal Chris Nauroth
HDFS-4687 TestDelegationTokenForProxyUser#testWebHdfsDoAs is flaky with JDK7 Minor test Andrew Wang Andrew Wang
HADOOP-9413 Introduce common utils for File#setReadable/Writable/Executable and File#canRead/Write/Execute that work cross-platform Major . Ivan Mitic Ivan Mitic
MAPREDUCE-5177 Move to common utils FileUtil#setReadable/Writable/Executable and FileUtil#canRead/Write/Execute Major . Ivan Mitic Ivan Mitic
YARN-506 Move to common utils FileUtil#setReadable/Writable/Executable and FileUtil#canRead/Write/Execute Major . Ivan Mitic Ivan Mitic
HDFS-4610 Move to using common utils FileUtil#setReadable/Writable/Executable and FileUtil#canRead/Write/Execute Major . Ivan Mitic Ivan Mitic
YARN-599 Refactoring submitApplication in ClientRMService and RMAppManager Major . Zhijie Shen Zhijie Shen
HDFS-4778 Invoke getPipeline in the chooseTarget implementation that has favoredNodes Major namenode Devaraj Das Devaraj Das
MAPREDUCE-5145 Change default max-attempts to be more than one for MR jobs as well Major . Zhijie Shen Zhijie Shen
HADOOP-9455 HADOOP_CLIENT_OPTS appended twice causes JVM failures Minor bin Sangjin Lee Chris Nauroth
HADOOP-9532 HADOOP_CLIENT_OPTS is appended twice by Windows cmd scripts Minor bin Chris Nauroth Chris Nauroth
YARN-618 Modify RM_INVALID_IDENTIFIER to a -ve number Major . Jian He Jian He
MAPREDUCE-5193 A few MR tests use block sizes which are smaller than the default minimum block size Major test Aaron T. Myers Andrew Wang
HADOOP-9043 disallow in winutils creating symlinks with forwards slashes Major util Chris Nauroth Chris Nauroth
MAPREDUCE-5205 Apps fail in secure cluster setup Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
YARN-645 Move RMDelegationTokenSecretManager from yarn-server-common to yarn-server-resourcemanager Major . Jian He Jian He
MAPREDUCE-5204 Handle YarnRemoteException separately from IOException in MR api Major . Xuan Gong Xuan Gong
YARN-45 [Preemption] Scheduler feedback to AM to release containers Major resourcemanager Chris Douglas Carlo Curino
YARN-646 Some issues in Fair Scheduler’s document Major documentation Dapeng Sun Dapeng Sun
MAPREDUCE-5209 ShuffleScheduler log message incorrect Minor mrv2 Radim Kolar Tsuyoshi Ozawa
MAPREDUCE-5212 Handle exception related changes in YARN’s ClientRMProtocol api after YARN-631 Major . Xuan Gong Xuan Gong
MAPREDUCE-5226 Handle exception related changes in YARN’s AMRMProtocol api after YARN-630 Major . Xuan Gong Xuan Gong
HADOOP-9550 Remove aspectj dependency Major . Karthik Kambatla Karthik Kambatla
YARN-507 Add interface visibility and stability annotations to FS interfaces/classes Minor scheduler Karthik Kambatla Karthik Kambatla
YARN-637 FS: maxAssign is not honored Major scheduler Karthik Kambatla Karthik Kambatla
YARN-655 Fair scheduler metrics should subtract allocated memory from available memory Major scheduler Sandy Ryza Sandy Ryza
HDFS-4810 several HDFS HA tests have timeouts that are too short Major test Chris Nauroth Chris Nauroth
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 TestAuthenticationToken fails on Windows Major test Arpit Agarwal Arpit Agarwal
HADOOP-9549 WebHdfsFileSystem hangs on close() Blocker security Kihwal Lee Daryn Sharp
HDFS-4799 Corrupt replica can be prematurely removed from corruptReplicas map Blocker namenode Todd Lipcon Todd Lipcon
HDFS-4751 TestLeaseRenewer#testThreadName flakes Minor test Andrew Wang Andrew Wang
HADOOP-9481 Broken conditional logic with HADOOP_SNAPPY_LIBRARY Minor . Vadim Bondarev Vadim Bondarev
HADOOP-9485 No default value in the code for hadoop.rpc.socket.factory.class.default Minor net Colin P. McCabe Colin P. McCabe
MAPREDUCE-5239 Update MR App to reflect YarnRemoteException changes after YARN-634 Major . Vinod Kumar Vavilapalli Siddharth Seth
MAPREDUCE-5208 SpillRecord and ShuffleHandler should use SecureIOUtils for reading index file and map output Major . Omkar Vinit Joshi Omkar Vinit Joshi
HDFS-4300 TransferFsImage.downloadEditsToStorage should use a tmp file for destination Critical . Todd Lipcon Andrew Wang
HDFS-4765 Permission check of symlink deletion incorrectly throws UnresolvedLinkException Major namenode Andrew Wang Andrew Wang
YARN-597 TestFSDownload fails on Windows because of dependencies on tar/gzip/jar tools Major . Ivan Mitic Ivan Mitic
HADOOP-9459 ActiveStandbyElector can join election even before Service HEALTHY, and results in null data at ActiveBreadCrumb Critical ha Vinayakumar B Vinayakumar B
HADOOP-9220 Unnecessary transition to standby in ActiveStandbyElector Critical ha Tom White Tom White
HDFS-4813 BlocksMap may throw NullPointerException during shutdown Minor namenode Tsz Wo Nicholas Sze Jing Zhao
HDFS-3180 Add socket timeouts to webhdfs Major webhdfs Daryn Sharp Chris Nauroth
HADOOP-9563 Fix incompatibility introduced by HADOOP-9523 Major util Kihwal Lee Tian Hong Wang
HDFS-4826 TestNestedSnapshots times out due to repeated slow edit log flushes when running on virtualized disk Minor test Chris Nauroth Chris Nauroth
HDFS-4477 Secondary namenode may retain old tokens Critical security Kihwal Lee Daryn Sharp
YARN-690 RM exits on token cancel/renew problems Blocker resourcemanager Daryn Sharp Daryn Sharp
HDFS-4830 Typo in config settings for AvailableSpaceVolumeChoosingPolicy in hdfs-default.xml Minor . Aaron T. Myers Aaron T. Myers
HADOOP-9566 Performing direct read using libhdfs sometimes raises SIGPIPE (which in turn throws SIGABRT) causing client crashes Major native Lenni Kuff Colin P. McCabe
HDFS-4824 FileInputStreamCache.close leaves dangling reference to FileInputStreamCache.cacheCleaner Major hdfs-client Henry Robinson Colin P. McCabe
MAPREDUCE-4927 Historyserver 500 error due to NPE when accessing specific counters page for failed job Major jobhistoryserver Jason Lowe Ashwin Shankar
MAPREDUCE-5257 TestContainerLauncherImpl fails Major mr-am, mrv2 Jason Lowe Omkar Vinit Joshi
HDFS-4805 Webhdfs client is fragile to token renewal errors Critical webhdfs Daryn Sharp Daryn Sharp
MAPREDUCE-5191 TestQueue#testQueue fails with timeout on Windows Major . Ivan Mitic Ivan Mitic
MAPREDUCE-5240 inside of FileOutputCommitter the initialized Credentials cache appears to be empty Blocker mrv2 Roman Shaposhnik Vinod Kumar Vavilapalli
HDFS-3875 Issue handling checksum errors in write pipeline Critical datanode, hdfs-client Todd Lipcon Kihwal Lee
YARN-706 Race Condition in TestFSDownload Major . Zhijie Shen Zhijie Shen
HDFS-4298 StorageRetentionManager spews warnings when used with QJM Major namenode Todd Lipcon Aaron T. Myers
YARN-715 TestDistributedShell and TestUnmanagedAMLauncher are failing Major . Siddharth Seth Vinod Kumar Vavilapalli
HDFS-4807 DFSOutputStream.createSocketForPipeline() should not include timeout extension on connect Major . Kihwal Lee Cristina L. Abad
HDFS-4714 Log short messages in Namenode RPC server for exceptions meant for clients Major namenode Kihwal Lee Kihwal Lee
HADOOP-9593 stack trace printed at ERROR for all yarn clients without hadoop.home set Major util Steve Loughran Steve Loughran
HADOOP-9407 commons-daemon 1.0.3 dependency has bad group id causing build issues Major build Sangjin Lee Sangjin Lee
MAPREDUCE-5270 Migrate from using BuilderUtil factory methods to individual record factory method on MapReduce side Major . Jian He Jian He
HDFS-4825 webhdfs / httpfs tests broken because of min block size change Major webhdfs Andrew Wang Andrew Wang
HDFS-4780 Use the correct relogin method for services Minor namenode Kihwal Lee Robert Parker
HDFS-4827 Slight update to the implementation of API for handling favored nodes in DFSClient Major . Devaraj Das Devaraj Das
YARN-512 Log aggregation root directory check is more expensive than it needs to be Minor nodemanager Jason Lowe Maysam Yabandeh
HDFS-4865 Remove sub resource warning from httpfs log at startup time Major . Wei Yan Wei Yan
HDFS-4846 Clean up snapshot CLI commands output stacktrace for invalid arguments Minor snapshots Stephen Chu Jing Zhao
HDFS-4857 Snapshot.Root and AbstractINodeDiff#snapshotINode should not be put into INodeMap when loading FSImage Major snapshots Jing Zhao Jing Zhao
HDFS-4863 The root directory should be added to the snapshottable directory list while loading fsimage Major snapshots Jing Zhao Jing Zhao
HADOOP-9574 Add new methods in AbstractDelegationTokenSecretManager for restoring RMDelegationTokens on RMRestart Major . Jian He Jian He
HADOOP-9607 Fixes in Javadoc build Minor documentation Timothy St. Clair
MAPREDUCE-5282 Update MR App to use immutable ApplicationID after YARN-716 Major . Vinod Kumar Vavilapalli Siddharth Seth
HADOOP-7391 Document Interface Classification from HADOOP-5073 Major . Sanjay Radia Sanjay Radia
MAPREDUCE-5285 Update MR App to use immutable ApplicationAttemptID, ContainerID, NodeID after YARN-735 Major . Jian He
MAPREDUCE-5289 Update MR App to use Token directly after YARN-717 Major . Vinod Kumar Vavilapalli Jian He
YARN-733 TestNMClient fails occasionally Major . Zhijie Shen Zhijie Shen
MAPREDUCE-5291 Change MR App to use update property names in container-log4j.properties Major . Siddharth Seth Zhijie Shen
HDFS-4240 In nodegroup-aware case, make sure nodes are avoided to place replica if some replica are already under the same nodegroup Major namenode Junping Du Junping Du
HDFS-4261 TestBalancerWithNodeGroup times out Major balancer & mover Tsz Wo Nicholas Sze Junping Du
YARN-726 Queue, FinishTime fields broken on RM UI Critical . Siddharth Seth Mayank Bansal
MAPREDUCE-5297 Update MR App since BuilderUtils is moved to yarn-server-common after YARN-748 Major . Jian He Jian He
YARN-757 TestRMRestart failing/stuck on trunk Blocker . Bikas Saha Bikas Saha
MAPREDUCE-5301 Update MR code to work with YARN-635 changes Major . Siddharth Seth Siddharth Seth
HDFS-4840 ReplicationMonitor gets NPE during shutdown Major namenode Kihwal Lee Kihwal Lee
MAPREDUCE-5303 Changes on MR after moving ProtoBase to package impl.pb on YARN-724 Major . Jian He Jian He
HDFS-4815 TestRBWBlockInvalidation#testBlockInvalidationWhenRBWReplicaMissedInDN: Double call countReplicas() to fetch corruptReplicas and liveReplicas is not needed Major datanode, test Tian Hong Wang Tian Hong Wang
YARN-742 Log aggregation causes a lot of redundant setPermission calls Major nodemanager Kihwal Lee Jason Lowe
HDFS-4850 fix OfflineImageViewer to work on fsimages with empty files or snapshots Major tools Stephen Chu Jing Zhao
HADOOP-8957 AbstractFileSystem#IsValidName should be overridden for embedded file systems like ViewFs Major fs Chris Nauroth Chris Nauroth
HADOOP-9131 TestLocalFileSystem#testListStatusWithColons cannot run on Windows Major test Chris Nauroth Chris Nauroth
HADOOP-8982 TestSocketIOWithTimeout fails on Windows Major net Chris Nauroth Chris Nauroth
HADOOP-8958 ViewFs:Non absolute mount name failures when running multiple tests on Windows Major viewfs Chris Nauroth Chris Nauroth
YARN-764 blank Used Resources on Capacity Scheduler page Major resourcemanager Nemon Lou Nemon Lou
HDFS-4877 Snapshot: fix the scenario where a directory is renamed under its prior descendant Blocker snapshots Jing Zhao Jing Zhao
HDFS-4867 metaSave NPEs when there are invalid blocks in repl queue. Major namenode Kihwal Lee Plamen Jeliazkov
YARN-761 TestNMClientAsync fails sometimes Major . Vinod Kumar Vavilapalli Zhijie Shen
HDFS-4862 SafeModeInfo.isManual() returns true when resources are low even if it wasn’t entered into manually Major . Ravi Prakash Ravi Prakash
YARN-760 NodeManager throws AvroRuntimeException on failed start Major nodemanager Sandy Ryza Niranjan Singh
HDFS-4880 Diagnostic logging while loading name/edits files Major namenode Arpit Agarwal Suresh Srinivas
HDFS-4832 Namenode doesn’t change the number of missing blocks in safemode when DNs rejoin or leave Critical . Ravi Prakash Ravi Prakash
MAPREDUCE-5312 TestRMNMInfo is failing Major . Alejandro Abdelnur Sandy Ryza
HADOOP-9599 hadoop-config.cmd doesn’t set JAVA_LIBRARY_PATH correctly Major . Mostafa Elhemali Mostafa Elhemali
HDFS-4677 Editlog should support synchronous writes Major . Ivan Mitic Ivan Mitic
HADOOP-9581 hadoop –config non-existent directory should result in error Major scripts Ashwin Shankar Ashwin Shankar
MAPREDUCE-5308 Shuffling to memory can get out-of-sync when fetching multiple compressed map outputs Major . Nathan Roberts Nathan Roberts
MAPREDUCE-5315 DistCp reports success even on failure. Critical distcp Mithun Radhakrishnan Mithun Radhakrishnan
HDFS-4873 callGetBlockLocations returns incorrect number of blocks for snapshotted files Major snapshots Hari Mankude Jing Zhao
YARN-767 Initialize Application status metrics when QueueMetrics is initialized Major . Jian He Jian He
YARN-795 Fair scheduler queue metrics should subtract allocated vCores from available vCores Major scheduler Wei Yan Wei Yan
HADOOP-9526 TestShellCommandFencer and TestShell fail on Windows Major test Arpit Agarwal Arpit Agarwal
HADOOP-9638 parallel test changes caused invalid test path for several HDFS tests on Windows Major test Chris Nauroth Andrey Klochkov
MAPREDUCE-5259 TestTaskLog fails on Windows because of path separators missmatch Major test Ivan Mitic Ivan Mitic
YARN-648 FS: Add documentation for pluggable policy Major scheduler Karthik Kambatla Karthik Kambatla
YARN-700 TestInfoBlock fails on Windows because of line ending missmatch Major . Ivan Mitic Ivan Mitic
HDFS-4878 On Remove Block, Block is not Removed from neededReplications queue Major namenode Tao Luo Tao Luo
HDFS-4902 DFSClient.getSnapshotDiffReport should use string path rather than o.a.h.fs.Path Major snapshots Binglin Chang Binglin Chang
MAPREDUCE-4019 -list-attempt-ids is not working Minor client B Anil Kumar Ashwin Shankar
HDFS-4845 FSEditLogLoader gets NPE while accessing INodeMap in TestEditLogRace Critical namenode Kihwal Lee Arpit Agarwal
YARN-812 Enabling app summary logs causes ‘FileNotFound’ errors Major . Ramya Sunil Siddharth Seth
MAPREDUCE-5319 Job.xml file does not has ‘user.name’ property for Hadoop2 Major . Yesha Vora Xuan Gong
HDFS-4783 TestDelegationTokensWithHA#testHAUtilClonesDelegationTokens fails on Windows Major test Chris Nauroth Chris Nauroth
MAPREDUCE-5310 MRAM should not normalize allocation request capabilities Major applicationmaster Alejandro Abdelnur Alejandro Abdelnur
HDFS-3934 duplicative dfs_hosts entries handled wrong Minor . Andy Isaacson Colin P. McCabe
YARN-639 Make AM of Distributed Shell Use NMClient Major applications/distributed-shell Zhijie Shen Zhijie Shen
HADOOP-9632 TestShellCommandFencer will fail if there is a ‘host’ machine in the network Minor . Chuan Liu Chuan Liu
YARN-833 Move Graph and VisualizeStateMachine into yarn.state package Major . Zhijie Shen Zhijie Shen
HADOOP-9517 Document Hadoop Compatibility Blocker documentation Arun C Murthy Karthik Kambatla
HDFS-4910 TestPermission failed in branch-2 Major . Chuan Liu Chuan Liu
YARN-839 TestContainerLaunch.testContainerEnvVariables fails on Windows Minor . Chuan Liu Chuan Liu
HDFS-4818 several HDFS tests that attempt to make directories unusable do not work correctly on Windows Minor namenode, test Chris Nauroth Chris Nauroth
YARN-799 CgroupsLCEResourcesHandler tries to write to cgroup.procs Major nodemanager Chris Riccomini Chris Riccomini
HDFS-4906 HDFS Output streams should not accept writes after being closed Major hdfs-client Aaron T. Myers Aaron T. Myers
HADOOP-9637 Adding Native Fstat for Windows as needed by YARN Major . Chuan Liu Chuan Liu
YARN-848 Nodemanager does not register with RM using the fully qualified hostname Major . Hitesh Shah Hitesh Shah
HDFS-4533 start-dfs.sh ignored additional parameters besides -upgrade Major datanode, namenode Fengdong Yu Fengdong Yu
HDFS-4917 Start-dfs.sh cannot pass the parameters correctly Major datanode, namenode Fengdong Yu Fengdong Yu
YARN-852 TestAggregatedLogFormat.testContainerLogsFileAccess fails on Windows Minor . Chuan Liu Chuan Liu
MAPREDUCE-5334 TestContainerLauncherImpl is failing Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
YARN-854 App submission fails on secure deploy Blocker . Ramya Sunil Omkar Vinit Joshi
YARN-861 TestContainerManager is failing Critical nodemanager Devaraj K Vinod Kumar Vavilapalli
HDFS-4883 complete() should verify fileId Major namenode Konstantin Shvachko Tao Luo
HDFS-4205 fsck fails with symlinks Major hdfs-client Andy Isaacson Jason Lowe
HADOOP-9439 JniBasedUnixGroupsMapping: fix some crash bugs Minor native Colin P. McCabe Colin P. McCabe
HDFS-4927 CreateEditsLog creates inodes with an invalid inode ID, which then cannot be loaded by a namenode. Minor test Chris Nauroth Chris Nauroth
HADOOP-9656 Gridmix unit tests fail on Windows and Linux Minor test, tools Chuan Liu Chuan Liu
YARN-874 Tracking YARN/MR test failures after HADOOP-9421 and YARN-827 Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
MAPREDUCE-5326 Add version to shuffle header Blocker . Arun C Murthy Zhijie Shen
HADOOP-9665 BlockDecompressorStream#decompress will throw EOFException instead of return -1 when EOF Critical . Zhijie Shen Zhijie Shen
MAPREDUCE-5328 ClientToken should not be set in the environment Major . Omkar Vinit Joshi Omkar Vinit Joshi
HDFS-4944 WebHDFS cannot create a file path containing characters that must be URI-encoded, such as space. Major webhdfs Chris Nauroth Chris Nauroth
MAPREDUCE-5349 TestClusterMapReduceTestCase and TestJobName fail on Windows in branch-2 Minor . Chuan Liu Chuan Liu
HDFS-4797 BlockScanInfo does not override equals(..) and hashCode() consistently Minor datanode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-4888 Refactor and fix FSNamesystem.getTurnOffTip to sanity Major . Ravi Prakash Ravi Prakash
HADOOP-9678 TestRPC#testStopsAllThreads intermittently fails on Windows Major . Ivan Mitic Ivan Mitic
HDFS-4943 WebHdfsFileSystem does not work when original file path has encoded chars Minor webhdfs Jerry He Jerry He
HADOOP-9681 FileUtil.unTarUsingJava() should close the InputStream upon finishing Minor . Chuan Liu Chuan Liu
HDFS-3499 Make NetworkTopology support user specified topology class Major datanode Junping Du Junping Du
MAPREDUCE-5355 MiniMRYarnCluster with localFs does not work on Windows Minor . Chuan Liu Chuan Liu
HDFS-4948 mvn site for hadoop-hdfs-nfs fails Major . Robert Joseph Evans Brandon Li
MAPREDUCE-5359 JobHistory should not use File.separator to match timestamp in path Minor . Chuan Liu Chuan Liu
MAPREDUCE-5357 Job staging directory owner checking could fail on Windows Minor . Chuan Liu Chuan Liu
HDFS-4954 compile failure in branch-2: getFlushedOffset should catch or rethrow IOException Major nfs Brandon Li Brandon Li
MAPREDUCE-5360 TestMRJobClient fails on Windows due to path format Minor test Chuan Liu Chuan Liu
HADOOP-9504 MetricsDynamicMBeanBase has concurrency issues in createMBeanInfo Critical metrics Liang Xie Liang Xie
MAPREDUCE-5366 TestMRAsyncDiskService fails on Windows Minor test Chuan Liu Chuan Liu
HADOOP-9307 BufferedFSInputStream.read returns wrong results after certain seeks Major fs Todd Lipcon Todd Lipcon
MAPREDUCE-5187 Create mapreduce command scripts on Windows Major mrv2 Chuan Liu Chuan Liu
HDFS-4841 FsShell commands using secure webhfds fail ClientFinalizer shutdown hook Major security, webhdfs Stephen Chu Robert Kanter
YARN-894 NodeHealthScriptRunner timeout checking is inaccurate on Windows Minor nodemanager Chuan Liu Chuan Liu
HADOOP-8440 HarFileSystem.decodeHarURI fails for URIs whose host contains numbers Minor fs Ivan Mitic Ivan Mitic
HDFS-4951 FsShell commands using secure httpfs throw exceptions due to missing TokenRenewer Major security Robert Kanter Robert Kanter
MAPREDUCE-5325 ClientRMProtocol.getAllApplications should accept ApplicationType as a parameter—MR changes Major . Xuan Gong Xuan Gong
HDFS-4887 TestNNThroughputBenchmark exits abruptly Blocker benchmarks, test Kihwal Lee Kihwal Lee
YARN-368 Fix typo “defiend” should be “defined” in error output Trivial . Albert Chu Albert Chu
MAPREDUCE-4374 Fix child task environment variable config and add support for Windows Minor mrv2 Chuan Liu Chuan Liu
HDFS-4969 WebhdfsFileSystem expects non-standard WEBHDFS Json element Blocker test, webhdfs Robert Kanter Robert Kanter
HDFS-4980 Incorrect logging.properties file for hadoop-httpfs Major build Mark Grover Mark Grover
YARN-333 Schedulers cannot control the queue-name of an application Major . Sandy Ryza Sandy Ryza
HDFS-4982 JournalNode should relogin from keytab before fetching logs from other JNs Major journal-node, security Todd Lipcon Todd Lipcon
YARN-541 getAllocatedContainers() is not returning all the allocated containers Blocker resourcemanager Krishna Kishore Bonagiri Bikas Saha
YARN-763 AMRMClientAsync should stop heartbeating after receiving shutdown from RM Major . Bikas Saha Xuan Gong
YARN-654 AMRMClient: Perform sanity checks for parameters of public methods Major . Bikas Saha Xuan Gong
YARN-909 Disable TestLinuxContainerExecutorWithMocks on Windows Minor nodemanager Chuan Liu Chuan Liu
HADOOP-9707 Fix register lists for crc32c inline assembly Minor util Todd Lipcon Todd Lipcon
HDFS-4999 fix TestShortCircuitLocalRead on branch-2 Major . Kihwal Lee Colin P. McCabe
YARN-661 NM fails to cleanup local directories for users Major nodemanager Jason Lowe Omkar Vinit Joshi
HDFS-4998 TestUnderReplicatedBlocks fails intermittently Major test Kihwal Lee Kihwal Lee
HADOOP-9738 TestDistCh fails Major tools Kihwal Lee Jing Zhao
YARN-912 Create exceptions package in common/api for yarn and move client facing exceptions to them Major . Bikas Saha Mayank Bansal
HDFS-5005 Move SnapshotException and SnapshotAccessControlException to o.a.h.hdfs.protocol Major . Jing Zhao Jing Zhao
HDFS-5003 TestNNThroughputBenchmark failed caused by existing directories Minor test Xi Fang Xi Fang
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
YARN-919 Document setting default heap sizes in yarn env Minor . Mayank Bansal Mayank Bansal
YARN-897 CapacityScheduler wrongly sorted queues Blocker capacityscheduler Djellel Eddine Difallah Djellel Eddine Difallah
HDFS-5018 Misspelled DFSConfigKeys#DFS_NAMENODE_STALE_DATANODE_INTERVAL_DEFAULT in javadoc of DatanodeInfo#isStale() Minor . Ted Yu Ted Yu
YARN-853 maximum-am-resource-percent doesn’t work after refreshQueues command Major capacityscheduler Devaraj K Devaraj K
HADOOP-9759 Add support for NativeCodeLoader#getLibraryName on Windows Critical . Chuan Liu Chuan Liu
MAPREDUCE-5412 Change MR to use multiple containers API of ContainerManager after YARN-926 Major . Jian He Jian He
YARN-968 RM admin commands don’t work Blocker . Kihwal Lee Vinod Kumar Vavilapalli
YARN-875 Application can hang if AMRMClientAsync callback thread has exception Major . Bikas Saha Xuan Gong
MAPREDUCE-5213 Re-assess TokenCache methods marked @Private Minor . Karthik Kambatla Karthik Kambatla
HADOOP-9701 mvn site ambiguous links in hadoop-common Minor documentation Steve Loughran Karthik Kambatla
HDFS-5024 Make DatanodeProtocol#commitBlockSynchronization idempotent Major namenode Arpit Agarwal Arpit Agarwal
YARN-688 Containers not cleaned up when NM received SHUTDOWN event from NodeStatusUpdater Major . Jian He Jian He
HADOOP-9773 TestLightWeightCache fails Minor test Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-5016 Deadlock in pipeline recovery causes Datanode to be marked dead Blocker . Devaraj Das Suresh Srinivas
MAPREDUCE-5421 TestNonExistentJob is failed due to recent changes in YARN Blocker test Junping Du Junping Du
HADOOP-9507 LocalFileSystem rename() is broken in some cases when destination exists Minor fs Mostafa Elhemali Chris Nauroth
MAPREDUCE-5419 TestSlive is getting FileNotFound Exception Major mrv2 Robert Parker Robert Parker
YARN-960 TestMRCredentials and TestBinaryTokenFile are failing on trunk Blocker . Alejandro Abdelnur Daryn Sharp
YARN-937 Fix unmanaged AM in non-secure/secure setup post YARN-701 Blocker applications/unmanaged-AM-launcher Arun C Murthy Alejandro Abdelnur
MAPREDUCE-5059 Job overview shows average merge time larger than for any reduce attempt Major jobhistoryserver, webapps Jason Lowe Omkar Vinit Joshi
YARN-932 TestResourceLocalizationService.testLocalizationInit can fail on JDK7 Major . Sandy Ryza Karthik Kambatla
YARN-945 AM register failing after AMRMToken Blocker . Bikas Saha Vinod Kumar Vavilapalli
HADOOP-9786 RetryInvocationHandler#isRpcInvocation should support ProtocolTranslator Major . Jing Zhao Jing Zhao
HADOOP-9787 ShutdownHelper util to shutdown threads and threadpools Major util Karthik Kambatla Karthik Kambatla
HADOOP-9816 RPC Sasl QOP is broken Blocker ipc, security Daryn Sharp Daryn Sharp
MAPREDUCE-5399 Unnecessary Configuration instantiation in IFileInputStream slows down merge Blocker mrv1, mrv2 Stanislav Barton Stanislav Barton
HADOOP-9850 RPC kerberos errors don’t trigger relogin Blocker ipc Daryn Sharp Daryn Sharp
YARN-1043 YARN Queue metrics are getting pushed to neither file nor Ganglia Major . Yusaku Sako Jian He
YARN-656 In scheduler UI, including reserved memory in “Memory Total” can make it exceed cluster capacity. Major resourcemanager, scheduler Sandy Ryza Sandy Ryza
YARN-1046 Disable mem monitoring by default in MiniYARNCluster Major . Karthik Kambatla Karthik Kambatla
HADOOP-9527 Add symlink support to LocalFileSystem on Windows Major fs, test Arpit Agarwal Arpit Agarwal
HADOOP-9872 Improve protoc version handling and detection Blocker build Alejandro Abdelnur Alejandro Abdelnur
HDFS-4489 Use InodeID as as an identifier of a file in HDFS protocols and APIs Major namenode Brandon Li Brandon Li

TESTS:

JIRA Summary Priority Component Reporter Contributor
HDFS-4129 Add utility methods to dump NameNode in memory tree for testing Minor namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
MAPREDUCE-4972 Coverage fixing for org.apache.hadoop.mapreduce.jobhistory Major . Aleksey Gorshkov Aleksey Gorshkov
MAPREDUCE-4875 coverage fixing for org.apache.hadoop.mapred Major test Aleksey Gorshkov Aleksey Gorshkov
MAPREDUCE-4991 coverage for gridmix Major . Aleksey Gorshkov Aleksey Gorshkov
MAPREDUCE-5007 fix coverage org.apache.hadoop.mapreduce.v2.hs Major . Aleksey Gorshkov Aleksey Gorshkov
HADOOP-9222 Cover package with org.apache.hadoop.io.lz4 unit tests Major . Vadim Bondarev Vadim Bondarev
HADOOP-9233 Cover package org.apache.hadoop.io.compress.zlib with unit tests Major . Vadim Bondarev Vadim Bondarev
MAPREDUCE-5015 Coverage fix for org.apache.hadoop.mapreduce.tools.CLI Major . Aleksey Gorshkov Aleksey Gorshkov
HADOOP-9287 Parallel testing hadoop-common Major test Tsuyoshi Ozawa Andrey Klochkov
HADOOP-9624 TestFSMainOperationsLocalFileSystem failed when the Hadoop test root path has “X” in its name Minor test Xi Fang Xi Fang
YARN-866 Add test for class ResourceWeights Major . Wei Yan Wei Yan
MAPREDUCE-5333 Add test that verifies MRAM works correctly when sending requests with non-normalized capabilities Major mr-am Alejandro Abdelnur Wei Yan

SUB-TASKS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-9140 Cleanup rpc PB protos Major ipc Sanjay Radia Sanjay Radia
HDFS-4334 Add a unique id to each INode Major namenode Brandon Li Brandon Li
HDFS-4346 Refactor INodeId and GenerationStamp Minor namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-4485 HDFS-347: DN should chmod socket path a+w Critical datanode Todd Lipcon Colin P. McCabe
HDFS-4340 Update addBlock() to inculde inode id as additional argument Major hdfs-client, namenode Brandon Li Brandon Li
HADOOP-9218 Document the Rpc-wrappers used internally Major ipc Sanjay Radia Sanjay Radia
HDFS-3769 standby namenode become active fails because starting log segment fail on shared storage Critical ha liaowenrui
HDFS-4502 WebHdfsFileSystem handling of fileld breaks compatibility Blocker webhdfs Alejandro Abdelnur Brandon Li
MAPREDUCE-4951 Container preemption interpreted as task failure Major applicationmaster, mr-am, mrv2 Sandy Ryza Sandy Ryza
YARN-365 Each NM heartbeat should not generate an event for the Scheduler Major resourcemanager, scheduler Siddharth Seth Xuan Gong
HDFS-4542 Webhdfs doesn’t support secure proxy users Blocker webhdfs Daryn Sharp Daryn Sharp
YARN-468 coverage fix for org.apache.hadoop.yarn.server.webproxy.amfilter Major . Aleksey Gorshkov Aleksey Gorshkov
YARN-200 yarn log does not output all needed information, and is in a binary format Major . Robert Joseph Evans Ravi Prakash
YARN-417 Create AMRMClient wrapper that provides asynchronous callbacks Major api, applications Sandy Ryza Sandy Ryza
YARN-378 ApplicationMaster retry times should be set by Client Major client, resourcemanager xieguiming Zhijie Shen
YARN-469 Make scheduling mode in FS pluggable Major scheduler Karthik Kambatla Karthik Kambatla
YARN-450 Define value for * in the scheduling protocol Major . Bikas Saha Zhijie Shen
YARN-475 Remove ApplicationConstants.AM_APP_ATTEMPT_ID_ENV as it is no longer set in an AM’s environment Major . Hitesh Shah Hitesh Shah
YARN-309 Make RM provide heartbeat interval to NM Major resourcemanager Xuan Gong Xuan Gong
YARN-467 Jobs fail during resource localization when public distributed-cache hits unix directory limits Major nodemanager Omkar Vinit Joshi Omkar Vinit Joshi
HDFS-4525 Provide an API for knowing that whether file is closed or not. Major namenode Uma Maheswara Rao G SreeHari
MAPREDUCE-5086 MR app master deletes staging dir when sent a reboot command from the RM Major . Jian He Jian He
HDFS-4339 Persist inode id in fsimage and editlog Major namenode Brandon Li Brandon Li
YARN-99 Jobs fail during resource localization when private distributed-cache hits unix directory limits Major nodemanager Devaraj K Omkar Vinit Joshi
YARN-112 Race in localization can cause containers to fail Major nodemanager Jason Lowe Omkar Vinit Joshi
YARN-534 AM max attempts is not checked when RM restart and try to recover attempts Major resourcemanager Jian He Jian He
YARN-539 LocalizedResources are leaked in memory in case resource localization fails Major . Omkar Vinit Joshi Omkar Vinit Joshi
YARN-486 Change startContainer NM API to accept Container as a parameter and make ContainerLaunchContext user land Major . Bikas Saha Xuan Gong
YARN-444 Move special container exit codes from YarnConfiguration to API Major api, applications/distributed-shell Sandy Ryza Sandy Ryza
YARN-514 Delayed store operations should not result in RM unavailability for app submission Major resourcemanager Bikas Saha Zhijie Shen
YARN-482 FS: Extend SchedulingMode to intermediate queues Major scheduler Karthik Kambatla Karthik Kambatla
YARN-441 Clean up unused collection methods in various APIs Major . Siddharth Seth Xuan Gong
YARN-547 Race condition in Public / Private Localizer may result into resource getting downloaded again Major . Omkar Vinit Joshi Omkar Vinit Joshi
YARN-549 YarnClient.submitApplication should wait for application to be accepted by the RM Major . Zhijie Shen Zhijie Shen
YARN-583 Application cache files should be localized under local-dir/usercache/userid/appcache/appid/filecache Major . Omkar Vinit Joshi Omkar Vinit Joshi
YARN-581 Test and verify that app delegation tokens are added to tokenRenewer after RM restart Major resourcemanager Bikas Saha Jian He
YARN-577 ApplicationReport does not provide progress value of application Major . Hitesh Shah Hitesh Shah
YARN-595 Refactor fair scheduler to use common Resources Major scheduler Sandy Ryza Sandy Ryza
YARN-591 RM recovery related records do not belong to the API Major . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
YARN-562 NM should reject containers allocated by previous RM Major resourcemanager Jian He Jian He
HDFS-4785 Concat operation does not remove concatenated files from InodeMap Major namenode Suresh Srinivas Suresh Srinivas
HDFS-4784 NPE in FSDirectory.resolvePath() Major namenode Brandon Li Brandon Li
YARN-625 Move unwrapAndThrowException from YarnRemoteExceptionPBImpl to RPCUtil Major . Siddharth Seth Siddharth Seth
YARN-651 Change ContainerManagerPBClientImpl and RMAdminProtocolPBClientImpl to throw IOException and YarnRemoteException Major . Xuan Gong Xuan Gong
YARN-582 Restore appToken and clientToken for app attempt after RM restart Major resourcemanager Bikas Saha Jian He
MAPREDUCE-5159 Aggregatewordcount and aggregatewordhist in hadoop-1 examples are not binary compatible with hadoop-2 mapred.lib.aggregate Major . Zhijie Shen Zhijie Shen
MAPREDUCE-5157 Sort in hadoop-1 examples is not binary compatible with hadoop-2 mapred.lib Major . Zhijie Shen Zhijie Shen
YARN-568 FairScheduler: support for work-preserving preemption Major scheduler Carlo Curino Carlo Curino
YARN-567 RM changes to support preemption for FairScheduler and CapacityScheduler Major resourcemanager Carlo Curino Carlo Curino
HDFS-4661 fix various bugs in short circuit read Major datanode, hdfs-client Colin P. McCabe Colin P. McCabe
YARN-634 Make YarnRemoteException not backed by PB and introduce a SerializedException Major . Siddharth Seth Siddharth Seth
YARN-663 Change ResourceTracker API and LocalizationProtocol API to throw YarnRemoteException and IOException Major . Xuan Gong Xuan Gong
MAPREDUCE-5222 Fix JobClient incompatibilities with MR1 Major . Karthik Kambatla Karthik Kambatla
MAPREDUCE-5244 Two functions changed their visibility in JobStatus Major . Zhijie Shen Zhijie Shen
YARN-628 Fix YarnException unwrapping Major . Siddharth Seth Siddharth Seth
YARN-617 In unsercure mode, AM can fake resource requirements Minor . Vinod Kumar Vavilapalli Omkar Vinit Joshi
YARN-695 masterContainer and status are in ApplicationReportProto but not in ApplicationReport Major . Zhijie Shen Zhijie Shen
MAPREDUCE-5235 mapred.Counters incompatiblity issues with MR1 Major . Zhijie Shen Mayank Bansal
YARN-563 Add application type to ApplicationReport Major . Thomas Weise Mayank Bansal
YARN-548 Add tests for YarnUncaughtExceptionHandler Major . Vadim Bondarev Vadim Bondarev
YARN-711 Copy BuilderUtil methods into individual records Major . Vinod Kumar Vavilapalli Jian He
MAPREDUCE-5230 createFileSplit is removed from NLineInputFormat of mapred Major . Zhijie Shen Mayank Bansal
YARN-422 Add NM client library Major . Bikas Saha Zhijie Shen
HDFS-4842 Snapshot: identify the correct prior snapshot when deleting a snapshot under a renamed subtree Major snapshots Jing Zhao Jing Zhao
YARN-578 NodeManager should use SecureIOUtils for serving and aggregating logs Major nodemanager Vinod Kumar Vavilapalli Omkar Vinit Joshi
YARN-714 AMRM protocol changes for sending NMToken list Major . Omkar Vinit Joshi Omkar Vinit Joshi
YARN-638 Restore RMDelegationTokens after RM Restart Major resourcemanager Jian He Jian He
YARN-719 Move RMIdentifier from Container to ContainerTokenIdentifier Major . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
MAPREDUCE-5228 Enum Counter is removed from FileInputFormat and FileOutputFormat of both mapred and mapreduce Major . Zhijie Shen Mayank Bansal
YARN-392 Make it possible to specify hard locality constraints in resource requests Major resourcemanager Bikas Saha Sandy Ryza
MAPREDUCE-5231 Constructor of DBInputFormat.DBRecordReader in mapred is changed Major . Zhijie Shen Zhijie Shen
MAPREDUCE-5273 Protected variables are removed from CombineFileRecordReader in both mapred and mapreduce Major . Zhijie Shen Mayank Bansal
MAPREDUCE-5280 Mapreduce API: ClusterMetrics incompatibility issues with MR1 Major . Zhijie Shen Mayank Bansal
YARN-660 Improve AMRMClient with matching requests Major . Bikas Saha Bikas Saha
YARN-717 Copy BuilderUtil methods into token-related records Major . Jian He Jian He
MAPREDUCE-5229 TEMP_DIR_NAME is removed from of FileOutputCommitter of mapreduce Major . Zhijie Shen Zhijie Shen
MAPREDUCE-5274 Mapreduce API: String toHex(byte[]) is removed from SecureShuffleUtils Major . Zhijie Shen Mayank Bansal
HADOOP-8469 Make NetworkTopology class pluggable Major . Junping Du Junping Du
HADOOP-8470 Implementation of 4-layer subclass of NetworkTopology (NetworkTopologyWithNodeGroup) Major . Junping Du Junping Du
YARN-398 Enhance CS to allow for white-list of resources Major . Arun C Murthy Arun C Murthy
MAPREDUCE-5220 Mapred API: TaskCompletionEvent incompatibility issues with MR1 Major client Sandy Ryza Zhijie Shen
MAPREDUCE-5296 Mapred API: Function signature change in JobControl Major . Zhijie Shen Zhijie Shen
MAPREDUCE-5263 filecache.DistributedCache incompatiblity issues with MR1 Major . Zhijie Shen Zhijie Shen
MAPREDUCE-5299 Mapred API: void setTaskID(TaskAttemptID) is missing in TaskCompletionEvent Major . Zhijie Shen Zhijie Shen
MAPREDUCE-5245 A number of public static variables are removed from JobConf Major . Zhijie Shen Zhijie Shen
HDFS-4876 The javadoc of FileWithSnapshot is incorrect Minor snapshots Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-750 Allow for black-listing resources in YARN API and Impl in CS Major . Arun C Murthy Arun C Murthy
YARN-759 Create Command enum in AllocateResponse Major . Bikas Saha Bikas Saha
YARN-686 Flatten NodeReport Major api Sandy Ryza Sandy Ryza
YARN-737 Some Exceptions no longer need to be wrapped by YarnException and can be directly thrown out after YARN-142 Major . Jian He Jian He
YARN-731 RPCUtil.unwrapAndThrowException should unwrap remote RuntimeExceptions Major . Siddharth Seth Zhijie Shen
HDFS-4819 Update Snapshot doc for HDFS-4758 Minor documentation Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-123 Make yarn Resource Manager services robust against shutdown Minor . Steve Loughran Steve Loughran
YARN-124 Make Yarn Node Manager services robust against shutdown Minor . Steve Loughran Steve Loughran
YARN-125 Make Yarn Client service shutdown operations robust Minor . Steve Loughran Steve Loughran
MAPREDUCE-5199 AppTokens file can/should be removed Blocker security Vinod Kumar Vavilapalli Daryn Sharp
YARN-773 Move YarnRuntimeException from package api.yarn to api.yarn.exceptions Major . Jian He Jian He
YARN-692 Creating NMToken master key on RM and sharing it with NM as a part of RM-NM heartbeat. Major . Omkar Vinit Joshi Omkar Vinit Joshi
MAPREDUCE-5275 Mapreduce API: TokenCache incompatibility issues with MR1 Major . Zhijie Shen Mayank Bansal
YARN-781 Expose LOGDIR that containers should use for logging Major . Devaraj Das Jian He
YARN-693 Sending NMToken to AM on allocate call Major . Omkar Vinit Joshi Omkar Vinit Joshi
MAPREDUCE-5184 Document MR Binary Compatibility vis-a-vis hadoop-1 and hadoop-2 Major documentation Arun C Murthy Zhijie Shen
YARN-825 Fix yarn-common javadoc annotations Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
HDFS-4875 Add a test for testing snapshot file length Minor snapshots, test Tsz Wo Nicholas Sze Arpit Agarwal
YARN-805 Fix yarn-api javadoc annotations Blocker . Jian He Jian He
YARN-846 Move pb Impl from yarn-api to yarn-common Major . Jian He Jian He
YARN-850 Rename getClusterAvailableResources to getAvailableResources in AMRMClients Major . Jian He Jian He
YARN-739 NM startContainer should validate the NodeId Major . Siddharth Seth Omkar Vinit Joshi
YARN-613 Create NM proxy per NM instead of per container Major . Bikas Saha Omkar Vinit Joshi
HADOOP-9619 Mark stability of .proto files Major documentation Sanjay Radia Sanjay Radia
YARN-827 Need to make Resource arithmetic methods accessible Critical . Bikas Saha Jian He
HADOOP-9355 Abstract symlink tests to use either FileContext or FileSystem Major fs Andrew Wang Andrew Wang
YARN-877 Allow for black-listing resources in FifoScheduler Major scheduler Junping Du Junping Du
HADOOP-9414 Refactor out FSLinkResolver and relevant helper methods Major fs Andrew Wang Andrew Wang
HDFS-4762 Provide HDFS based NFSv3 and Mountd implementation Major nfs Brandon Li Brandon Li
HADOOP-9416 Add new symlink resolution methods in FileSystem and FileSystemLinkResolver Major fs Andrew Wang Andrew Wang
YARN-845 RM crash with NPE on NODE_UPDATE Major resourcemanager Arpit Gupta Mayank Bansal
YARN-727 ClientRMProtocol.getAllApplications should accept ApplicationType as a parameter Blocker . Siddharth Seth Xuan Gong
YARN-369 Handle ( or throw a proper error when receiving) status updates from application masters that have not registered Major resourcemanager Hitesh Shah Mayank Bansal
YARN-295 Resource Manager throws InvalidStateTransitonException: Invalid event: CONTAINER_FINISHED at ALLOCATED for RMAppAttemptImpl Major resourcemanager Devaraj K Mayank Bansal
HDFS-4908 Reduce snapshot inode memory usage Major namenode, snapshots Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-569 CapacityScheduler: support for preemption (using a capacity monitor) Major capacityscheduler Carlo Curino Carlo Curino
HDFS-4372 Track NameNode startup progress Major namenode Chris Nauroth Chris Nauroth
HDFS-4373 Add HTTP API for querying NameNode startup progress Major namenode Chris Nauroth Chris Nauroth
HDFS-4374 Display NameNode startup progress in UI Major namenode Chris Nauroth Chris Nauroth
HADOOP-9418 Add symlink resolution support to DistributedFileSystem Major fs Andrew Wang Andrew Wang
YARN-521 Augment AM - RM client module to be able to request containers only at specific locations Major api Sandy Ryza Sandy Ryza
YARN-523 Container localization failures aren’t reported from NM to RM Major . Vinod Kumar Vavilapalli Jian He
YARN-513 Create common proxy client for communicating with RM Major resourcemanager Bikas Saha Jian He
YARN-820 NodeManager has invalid state transition after error in resource localization Major . Bikas Saha Mayank Bansal
YARN-62 AM should not be able to abuse container tokens for repetitive container launches Major . Vinod Kumar Vavilapalli Omkar Vinit Joshi
YARN-922 Change FileSystemRMStateStore to use directories Major resourcemanager Jian He Jian He
YARN-814 Difficult to diagnose a failed container launch when error due to invalid environment variable Major . Hitesh Shah Jian He
HADOOP-9720 Rename Client#uuid to Client#clientId Major . Suresh Srinivas Arpit Agarwal
HDFS-4974 Analyze and add annotations to Namenode protocol methods and enable retry Major ha, namenode Suresh Srinivas Suresh Srinivas
HDFS-4602 TestBookKeeperHACheckpoints fails Major . Suresh Srinivas Uma Maheswara Rao G
YARN-873 YARNClient.getApplicationReport(unknownAppId) returns a null report Major . Bikas Saha Xuan Gong
HDFS-4979 Implement retry cache on the namenode Major namenode Suresh Srinivas Suresh Srinivas
YARN-961 ContainerManagerImpl should enforce token on server. Today it is [TOKEN, SIMPLE] Blocker . Omkar Vinit Joshi Omkar Vinit Joshi
HDFS-5025 Record ClientId and CallId in EditLog to enable rebuilding retry cache in case of HA failover Major ha, namenode Jing Zhao Jing Zhao

OTHER:

JIRA Summary Priority Component Reporter Contributor
YARN-708 Move RecordFactory classes to hadoop-yarn-api, miscellaneous fixes to the interfaces Major . Siddharth Seth Siddharth Seth
MAPREDUCE-5286 startContainer call should use the ContainerToken instead of Container [YARN-684] Major . Siddharth Seth Vinod Kumar Vavilapalli
YARN-142 [Umbrella] Cleanup YARN APIs w.r.t exceptions Blocker . Siddharth Seth
MAPREDUCE-5192 Separate TCE resolution from fetch Minor task Chris Douglas Chris Douglas
MAPREDUCE-5194 Heed interrupts during Fetcher shutdown Minor task Chris Douglas Chris Douglas
MAPREDUCE-3502 Review all Service.stop() operations and make sure that they work before a service is started Major mrv2 Steve Loughran Steve Loughran
YARN-927 Change ContainerRequest to not have more than 1 container count and remove StoreContainerRequest Major . Bikas Saha Bikas Saha