Apache Hadoop Changelog

Release 0.23.0 - 2011-11-11

INCOMPATIBLE CHANGES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HDFS-1526	Dfs client name for a map/reduce task should have some randomness	Major	hdfs-client	Hairong Kuang	Hairong Kuang
HDFS-1560	dfs.data.dir permissions should default to 700	Minor	datanode	Todd Lipcon	Todd Lipcon
HDFS-1536	Improve HDFS WebUI	Major	.	Hairong Kuang	Hairong Kuang
HADOOP-6864	Provide a JNI-based implementation of ShellBasedUnixGroupsNetgroupMapping (implementation of GroupMappingServiceProvider)	Major	security	Erik Steffl	Boris Shkolnik
HADOOP-6904	A baby step towards inter-version RPC communications	Major	ipc	Hairong Kuang	Hairong Kuang
HADOOP-6432	Statistics support in FileContext	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-7136	Remove failmon contrib	Major	.	Nigel Daley	Nigel Daley
HADOOP-7153	MapWritable violates contract of Map interface for equals() and hashCode()	Minor	io	Nicholas Telford	Nicholas Telford
HDFS-1703	HDFS federation: Improve start/stop scripts and add script to decommission datanodes	Minor	scripts	Tanping Wang	Tanping Wang
HDFS-1675	Transfer RBW between datanodes	Major	datanode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-6949	Reduces RPC packet size for primitive arrays, especially long[], which is used at block reporting	Major	io	Navis	Matt Foley
HDFS-1761	Add a new DataTransferProtocol operation, Op.TRANSFER_BLOCK, instead of using RPC	Major	datanode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1606	Provide a stronger data guarantee in the write pipeline	Major	datanode, hdfs-client, namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7227	Remove protocol version check at proxy creation in Hadoop RPC.	Major	ipc	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-6920	Metrics2: metrics instrumentation	Major	.	Luke Lu	Luke Lu
HADOOP-6921	metrics2: metrics plugins	Major	.	Luke Lu	Luke Lu
HDFS-1117	HDFS portion of HADOOP-6728 (ovehaul metrics framework)	Major	.	Luke Lu	Luke Lu
HDFS-1945	Removed deprecated fields in DataTransferProtocol	Major	datanode, hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7286	Refactor FsShell’s du/dus/df	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-6255	Create an rpm integration project	Major	.	Owen O’Malley	Eric Yang
HDFS-1963	HDFS rpm integration project	Major	build	Eric Yang	Eric Yang
MAPREDUCE-2455	Remove deprecated JobTracker.State in favour of JobTrackerStatus	Major	build, client	Tom White	Tom White
HDFS-1966	Encapsulate individual DataTransferProtocol op header	Major	datanode, hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7331	Make hadoop-daemon.sh to return 1 if daemon processes did not get started	Trivial	scripts	Tanping Wang	Tanping Wang
HDFS-2058	DataTransfer Protocol using protobufs	Major	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2430	Remove mrunit contrib	Major	.	Nigel Daley	Nigel Daley
HADOOP-7374	Don’t add tools.jar to the classpath when running Hadoop	Major	scripts	Eli Collins	Eli Collins
HDFS-2066	Create a package and individual class files for DataTransferProtocol	Major	datanode, hdfs-client, namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2087	Add methods to DataTransferProtocol interface	Major	datanode, hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1723	quota errors messages should use the same scale	Minor	.	Allen Wittenauer	Jim Plush
HDFS-2107	Move block management code to a package	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2606	Remove IsolationRunner	Major	.	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-2081	Configuration getInt, getLong, and getFloat replace invalid numbers with the default value	Major	conf	Owen O’Malley	Harsh J
HDFS-2210	Remove hdfsproxy	Major	contrib/hdfsproxy	Eli Collins	Eli Collins
HDFS-1073	Simpler model for Namenode’s fs Image and edit Logs	Major	.	Sanjay Radia	Todd Lipcon
HDFS-2202	Changes to balancer bandwidth should not require datanode restart.	Major	balancer & mover, datanode	Eric Payne	Eric Payne
MAPREDUCE-1738	MapReduce portion of HADOOP-6728 (ovehaul metrics framework)	Major	.	Luke Lu	Luke Lu
HADOOP-7264	Bump avro version to at least 1.4.1	Major	io	Luke Lu	Luke Lu
HADOOP-7547	Fix the warning in writable classes.[ WritableComparable is a raw type. References to generic type WritableComparable<T> should be parameterized ]	Minor	io	Uma Maheswara Rao G	Uma Maheswara Rao G
HADOOP-7507	jvm metrics all use the same namespace	Major	metrics	Jeff Bean	Alejandro Abdelnur
MAPREDUCE-3041	Enhance YARN Client-RM protocol to provide access to information such as cluster’s Min/Max Resource capabilities similar to that of AM-RM protocol	Blocker	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3205	MR2 memory limits should be pmem, not vmem	Blocker	mrv2, nodemanager	Todd Lipcon	Todd Lipcon
MAPREDUCE-2736	Remove unused contrib components dependent on MR1	Major	jobtracker, tasktracker	Eli Collins	Eli Collins

NEW FEATURES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HDFS-1448	Create multi-format parser for edits logs file, support binary and XML formats initially	Major	tools	Erik Steffl	Erik Steffl
MAPREDUCE-2438	MR-279: WebApp for Job History	Major	mrv2	Mahadev konar	Krishna Ramachandran
HDFS-1751	Intrinsic limits for HDFS files, directories	Major	datanode	Daryn Sharp	Daryn Sharp
HDFS-1052	HDFS scalability with multiple namenodes	Major	namenode	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-2434	MR-279: ResourceManager metrics	Major	mrv2	Luke Lu	Luke Lu
HDFS-1873	Federation Cluster Management Web Console	Major	.	Tanping Wang	Tanping Wang
HADOOP-7257	A client side mount table to give per-application/per-job file system view	Major	.	Sanjay Radia	Sanjay Radia
HADOOP-7214	Hadoop /usr/bin/groups equivalent	Major	.	Aaron T. Myers	Aaron T. Myers
HDFS-1814	HDFS portion of HADOOP-7214 - Hadoop /usr/bin/groups equivalent	Major	hdfs-client, namenode	Aaron T. Myers	Aaron T. Myers
MAPREDUCE-2473	MR portion of HADOOP-7214 - Hadoop /usr/bin/groups equivalent	Major	jobtracker	Aaron T. Myers	Aaron T. Myers
MAPREDUCE-461	Enable ServicePlugins for the JobTracker	Minor	.	Fredrik Hedberg	Fredrik Hedberg
MAPREDUCE-2407	Make Gridmix emulate usage of Distributed Cache files	Major	contrib/gridmix	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-2533	MR-279: Metrics for reserved resource in ResourceManager	Major	mrv2	Luke Lu	Luke Lu
MAPREDUCE-2527	MR-279: Metrics for MRAppMaster	Major	mrv2	Luke Lu	Luke Lu
MAPREDUCE-2532	MR-279: Metrics for NodeManager	Major	mrv2	Luke Lu	Luke Lu
MAPREDUCE-2408	Make Gridmix emulate usage of data compression	Major	contrib/gridmix	Ravi Gummadi	Amar Kamat
MAPREDUCE-2521	Mapreduce RPM integration project	Major	build	Eric Yang	Eric Yang
MAPREDUCE-2543	[Gridmix] Add support for HighRam jobs	Major	contrib/gridmix	Amar Kamat	Amar Kamat
HADOOP-7144	Expose JMX with something like JMXProxyServlet	Major	.	Luke Lu	Robert Joseph Evans
HDFS-2055	Add hflush support to libhdfs	Major	libhdfs	Travis Crawford	Travis Crawford
HDFS-2083	Adopt JMXJsonServlet into HDFS in order to query statistics	Major	.	Tanping Wang	Tanping Wang
HADOOP-7206	Integrate Snappy compression	Major	.	Eli Collins	Alejandro Abdelnur
MAPREDUCE-2323	Add metrics to the fair scheduler	Major	contrib/fair-share	Todd Lipcon	Todd Lipcon
HADOOP-7443	Add CRC32C as another DataChecksum implementation	Major	io, util	Todd Lipcon	Todd Lipcon
HADOOP-6385	dfs does not support -rmdir (was HDFS-639)	Minor	fs	Scott Phillips	Daryn Sharp
MAPREDUCE-2037	Capturing interim progress times, CPU usage, and memory usage, when tasks reach certain progress thresholds	Major	.	Dick King	Dick King
HADOOP-7493	[HDFS-362] Provide ShortWritable class in hadoop.	Major	io	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-1330	Make RPCs to DataNodes timeout	Major	datanode	Hairong Kuang	John George
HADOOP-7594	Support HTTP REST in HttpServer	Major	.	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7119	add Kerberos HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles	Major	security	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-2719	MR-279: Write a shell command application	Major	mrv2	Sharad Agarwal	Hitesh Shah
HADOOP-6889	Make RPC to have an option to timeout	Major	ipc	Hairong Kuang	John George
HADOOP-7705	Add a log4j back end that can push out JSON data, one per line	Minor	util	Steve Loughran	Steve Loughran
HDFS-2471	Add Federation feature, configuration and tools documentation	Major	documentation	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-1938	Ability for having user’s classes take precedence over the system classes for tasks’ classpath	Blocker	job submission, task, tasktracker	Devaraj Das	Krishna Ramachandran
MAPREDUCE-2692	Ensure AM Restart and Recovery-on-restart is complete	Major	mrv2	Amol Kekre	Sharad Agarwal

IMPROVEMENTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-7042	Update test-patch.sh to include failed test names and move test-patch.properties	Minor	test	Nigel Daley	Nigel Daley
HDFS-1510	Add test-patch.properties required by test-patch.sh	Minor	.	Nigel Daley	Nigel Daley
HDFS-1513	Fix a number of warnings	Minor	.	Eli Collins	Eli Collins
HDFS-1481	NameNode should validate fsimage before rolling	Major	namenode	Hairong Kuang	Hairong Kuang
HADOOP-7023	Add listCorruptFileBlocks to FileSystem	Major	.	Patrick Kling	Patrick Kling
HDFS-1458	Improve checkpoint performance by avoiding unnecessary image downloads	Major	namenode	Hairong Kuang	Hairong Kuang
HADOOP-6764	Add number of reader threads and queue length as configuration parameters in RPC.getServer	Major	ipc	Dmytro Molkov	Dmytro Molkov
HADOOP-7049	TestReconfiguration should be junit v4	Trivial	conf	Patrick Kling	Patrick Kling
HDFS-1518	Wrong description in FSNamesystem’s javadoc	Minor	namenode	Jingguo Yao	Jingguo Yao
MAPREDUCE-1752	Implement getFileBlockLocations in HarFilesystem	Major	harchive	Dmytro Molkov	Dmytro Molkov
MAPREDUCE-2155	RaidNode should optionally dispatch map reduce jobs to fix corrupt blocks (instead of fixing locally)	Major	contrib/raid	Patrick Kling	Patrick Kling
MAPREDUCE-1783	Task Initialization should be delayed till when a job can be run	Major	contrib/fair-share	Ramkumar Vadali	Ramkumar Vadali
MAPREDUCE-2156	Raid-aware FSCK	Major	contrib/raid	Patrick Kling	Patrick Kling
HDFS-1506	Refactor fsimage loading code	Major	namenode	Hairong Kuang	Hairong Kuang
HADOOP-7060	A more elegant FileSystem#listCorruptFileBlocks API	Major	fs	Hairong Kuang	Patrick Kling
HADOOP-7058	Expose number of bytes in FSOutputSummer buffer to implementatins	Trivial	.	Todd Lipcon	Todd Lipcon
HADOOP-7061	unprecise javadoc for CompressionCodec	Minor	io	Jingguo Yao	Jingguo Yao
MAPREDUCE-1831	BlockPlacement policy for RAID	Major	contrib/raid	Scott Chen	Scott Chen
HADOOP-7059	Remove “unused” warning in native code	Major	native	Noah Watkins	Noah Watkins
HDFS-1476	listCorruptFileBlocks should be functional while the name node is still in safe mode	Major	namenode	Patrick Kling	Patrick Kling
HDFS-1534	Fix some incorrect logs in FSDirectory	Minor	namenode	Eli Collins	Eli Collins
HADOOP-7078	Add better javadocs for RawComparator interface	Trivial	.	Todd Lipcon	Harsh J
HDFS-1509	Resync discarded directories in fs.name.dir during saveNamespace command	Major	namenode	dhruba borthakur	dhruba borthakur
MAPREDUCE-1906	Lower default minimum heartbeat interval for tasktracker > Jobtracker	Major	jobtracker, performance, tasktracker	Scott Carey	Todd Lipcon
HADOOP-6578	Configuration should trim whitespace around a lot of value types	Minor	conf	Todd Lipcon	Michele Catasta
HDFS-1539	prevent data loss when a cluster suffers a power loss	Major	datanode, hdfs-client, namenode	dhruba borthakur	dhruba borthakur
MAPREDUCE-2207	Task-cleanup task should not be scheduled on the node that the task just failed	Major	jobtracker	Scott Chen	Liyin Liang
MAPREDUCE-2248	DistributedRaidFileSystem should unraid only the corrupt block	Major	.	Ramkumar Vadali	Ramkumar Vadali
HDFS-1547	Improve decommission mechanism	Major	namenode	Suresh Srinivas	Suresh Srinivas
HDFS-1588	Add dfs.hosts.exclude to DFSConfigKeys and use constant in stead of hardcoded string	Major	.	Erik Steffl	Erik Steffl
MAPREDUCE-2250	Fix logging in raid code.	Trivial	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HDFS-1335	HDFS side of HADOOP-6904: first step towards inter-version communications between dfs client and NameNode	Major	hdfs-client, namenode	Hairong Kuang	Hairong Kuang
MAPREDUCE-2263	MapReduce side of HADOOP-6904	Major	.	Hairong Kuang	Hairong Kuang
HADOOP-6436	Remove auto-generated native build files	Major	.	Eli Collins	Roman Shaposhnik
MAPREDUCE-2260	Remove auto-generated native build files	Major	build	Roman Shaposhnik	Roman Shaposhnik
HDFS-1582	Remove auto-generated native build files	Major	libhdfs	Roman Shaposhnik	Roman Shaposhnik
MAPREDUCE-2026	JobTracker.getJobCounters() should not hold JobTracker lock while calling JobInProgress.getCounters()	Major	.	Scott Chen	Joydeep Sen Sarma
MAPREDUCE-1706	Log RAID recoveries on HDFS	Major	contrib/raid	Rodrigo Schmidt	Scott Chen
HDFS-1601	Pipeline ACKs are sent as lots of tiny TCP packets	Major	datanode	Todd Lipcon	Todd Lipcon
HADOOP-7096	Allow setting of end-of-record delimiter for TextInputFormat	Major	.	Ahmed Radwan	Ahmed Radwan
HDFS-560	Proposed enhancements/tuning to hadoop-hdfs/build.xml	Minor	build	Steve Loughran	Steve Loughran
HADOOP-7048	Wrong description of Block-Compressed SequenceFile Format in SequenceFile’s javadoc	Minor	io	Jingguo Yao	Jingguo Yao
HDFS-1628	AccessControlException should display the full path	Minor	namenode	Ramya Sunil	John George
HADOOP-6376	slaves file to have a header specifying the format of conf/slaves file	Minor	conf	Karthik K	Karthik K
MAPREDUCE-2254	Allow setting of end-of-record delimiter for TextInputFormat	Major	.	Ahmed Radwan	Ahmed Radwan
MAPREDUCE-2203	Wong javadoc for TaskRunner’s appendJobJarClasspaths method	Trivial	.	Jingguo Yao	Jingguo Yao
MAPREDUCE-1159	Limit Job name on jobtracker.jsp to be 80 char long	Trivial	.	Zheng Shao	Harsh J
HADOOP-7112	Issue a warning when GenericOptionsParser libjars are not on local filesystem	Major	conf, filecache	Tom White	Tom White
MAPREDUCE-2206	The task-cleanup tasks should be optional	Major	jobtracker	Scott Chen	Scott Chen
HDFS-1626	Make BLOCK_INVALIDATE_LIMIT configurable	Minor	namenode	Arun C Murthy	Tsz Wo Nicholas Sze
MAPREDUCE-2225	MultipleOutputs should not require the use of ‘Writable’	Blocker	job submission	Harsh J	Harsh J
HADOOP-7114	FsShell should dump all exceptions at DEBUG level	Minor	fs	Todd Lipcon	Todd Lipcon
MAPREDUCE-2302	Add static factory methods in GaloisField	Major	contrib/raid	Scott Chen	Scott Chen
MAPREDUCE-2351	mapred.job.tracker.history.completed.location should support an arbitrary filesystem URI	Major	.	Tom White	Tom White
MAPREDUCE-2239	BlockPlacementPolicyRaid should call getBlockLocations only when necessary	Major	contrib/raid	Scott Chen	Scott Chen
HADOOP-7131	set() and toString Methods of the org.apache.hadoop.io.Text class does not include the root exception, in the wrapping RuntimeException.	Minor	io	Uma Maheswara Rao G	Uma Maheswara Rao G
HADOOP-7159	RPC server should log the client hostname when read exception happened	Trivial	ipc	Scott Chen	Scott Chen
HADOOP-7133	CLONE to COMMON - HDFS-1445 Batch the calls in DataStorage to FileUtil.createHardLink(), so we call it once per directory instead of once per file	Major	util	Matt Foley	Matt Foley
HADOOP-7177	CodecPool should report which compressor it is using	Trivial	native	Allen Wittenauer	Allen Wittenauer
HADOOP-7167	Allow using a file to exclude certain tests from build	Minor	.	Todd Lipcon	Todd Lipcon
HDFS-1731	Allow using a file to exclude certain tests from build	Minor	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2367	Allow using a file to exclude certain tests from build	Minor	.	Todd Lipcon	Todd Lipcon
HDFS-1757	Don’t compile fuse-dfs by default	Major	fuse-dfs	Eli Collins	Eli Collins
HDFS-1596	Move secondary namenode checkpoint configs from core-default.xml to hdfs-default.xml	Major	documentation, namenode	Patrick Angeles	Harsh J
HADOOP-7117	Move secondary namenode checkpoint configs from core-default.xml to hdfs-default.xml	Major	conf	Patrick Angeles	Harsh J
HADOOP-7180	Improve CommandFormat	Minor	fs	Daryn Sharp	Daryn Sharp
HDFS-1763	Replace hard-coded option strings with variables from DFSConfigKeys	Minor	.	Eli Collins	Eli Collins
HDFS-1583	Improve backup-node sync performance by wrapping RPC parameters	Major	namenode	Liyin Liang	Liyin Liang
HADOOP-7193	Help message is wrong for touchz command.	Minor	fs	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-2403	MR-279: Improve job history event handling in AM to log to HDFS	Major	mrv2	Mahadev konar	Krishna Ramachandran
HDFS-1785	Cleanup BlockReceiver and DataXceiver	Major	datanode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1120	Make DataNode’s block-to-device placement policy pluggable	Major	datanode	Jeff Hammerbacher	Harsh J
HDFS-1789	Refactor frequently used codes from DFSOutputStream, BlockReceiver and DataXceiver	Minor	datanode, hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2414	MR-279: Use generic interfaces for protocols	Major	mrv2	Arun C Murthy	Siddharth Seth
HADOOP-7202	Improve Command base class	Major	.	Daryn Sharp	Daryn Sharp
MAPREDUCE-2405	MR-279: Implement uber-AppMaster (in-cluster LocalJobRunner for MRv2)	Major	mrv2	Mahadev konar	Greg Roelofs
HDFS-1817	Split TestFiDataTransferProtocol.java into two files	Trivial	test	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1630	Checksum fsedits	Major	namenode	Hairong Kuang	Hairong Kuang
HADOOP-6994	Api to get delegation token in AbstractFileSystem	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-1442	Api to get delegation token in Hdfs	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-2432	MR-279: Install sanitized poms for downstream sanity	Major	mrv2	Luke Lu	Luke Lu
HDFS-1833	Refactor BlockReceiver	Minor	datanode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1831	HDFS equivalent of HADOOP-7223 changes to handle FileContext createFlag combinations	Major	namenode	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-2424	MR-279: counters/UI/etc. for uber-AppMaster (in-cluster LocalJobRunner for MRv2)	Major	mrv2	Greg Roelofs	Greg Roelofs
HADOOP-7014	Generalize CLITest structure and interfaces to facilitate upstream adoption (e.g. for web testing)	Major	test	Konstantin Boudnik	Konstantin Boudnik
HDFS-1486	Generalize CLITest structure and interfaces to facilitate upstream adoption (e.g. for web testing)	Major	test	Konstantin Boudnik	Konstantin Boudnik
MAPREDUCE-2202	Generalize CLITest structure and interfaces to facilitate upstream adoption (e.g. for web or system testing)	Major	.	Konstantin Boudnik	Konstantin Boudnik
HDFS-1840	Terminate LeaseChecker when all writing files are closed.	Major	hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7233	Refactor FsShell’s ls	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-7241	fix typo of command ‘hadoop fs -help tail’	Minor	fs, test	Wei Yongjun	Wei Yongjun
HDFS-1861	Rename dfs.datanode.max.xcievers and bump its default value	Major	datanode	Eli Collins	Eli Collins
HDFS-1843	Discover file not found early for file append	Minor	.	Bharath Mundlapudi	Bharath Mundlapudi
HADOOP-7235	Refactor FsShell’s tail	Major	.	Daryn Sharp	Daryn Sharp
MAPREDUCE-1461	Feature to instruct rumen-folder utility to skip jobs worth of specific duration	Major	tools/rumen	Rajesh Balamohan	Rajesh Balamohan
MAPREDUCE-2153	Bring in more job configuration properties in to the trace file	Major	tools/rumen	Ravi Gummadi	Rajesh Balamohan
HDFS-1846	Don’t fill preallocated portion of edits log with 0x00	Major	namenode	Aaron T. Myers	Aaron T. Myers
HDFS-1741	Provide a minimal pom file to allow integration of HDFS into Sonar analysis	Major	build	Konstantin Boudnik	Konstantin Boudnik
MAPREDUCE-2462	MR 279: Write job conf along with JobHistory, other minor improvements	Minor	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-1978	[Rumen] TraceBuilder should provide recursive input folder scanning	Major	tools/rumen	Amar Kamat	Ravi Gummadi
HDFS-1870	Refactor DFSClient.LeaseChecker	Minor	hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1773	Remove a datanode from cluster if include list is not empty and this datanode is removed from both include and exclude lists	Minor	namenode	Tanping Wang	Tanping Wang
HADOOP-7236	Refactor FsShell’s mkdir	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-7250	Refactor FsShell’s setrep	Major	fs	Daryn Sharp	Daryn Sharp
HDFS-1890	A few improvements on the LeaseRenewer.pendingCreates map	Minor	hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2474	Add docs to the new API Partitioner on how to access Job Configuration data	Minor	documentation	Harsh J	Harsh J
HADOOP-7249	Refactor FsShell’s chmod/chown/chgrp	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-7251	Refactor FsShell’s getmerge	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-7265	Keep track of relative paths	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-7238	Refactor FsShell’s cat & text	Major	fs	Daryn Sharp	Daryn Sharp
HDFS-1865	Share LeaseChecker thread among DFSClients	Major	hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1906	Remove logging exception stack trace when one of the datanode targets to read from is not reachable	Minor	hdfs-client	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-2478	MR 279: Improve history server	Major	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-2456	Show the reducer taskid and map/reduce tasktrackers for “Failed fetch notification #_ for task attempt…” log messages	Trivial	jobtracker	Jeffrey Naisbitt	Jeffrey Naisbitt
HADOOP-7271	Standardize error messages	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-7275	Refactor FsShell’s stat	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-7237	Refactor FsShell’s touchz	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-7267	Refactor FsShell’s rm/rmr/expunge	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-6887	Need a separate metrics per garbage collector	Major	metrics	Bharath Mundlapudi	Luke Lu
HADOOP-7285	Refactor FsShell’s test	Major	fs	Daryn Sharp	Daryn Sharp
HDFS-1899	GenericTestUtils.formatNamenode is misplaced	Major	.	Todd Lipcon	Ted Yu
HADOOP-7289	ivy: test conf should not extend common conf	Major	build	Tsz Wo Nicholas Sze	Eric Yang
HDFS-1573	LeaseChecker thread name trace not that useful	Trivial	hdfs-client	Todd Lipcon	Todd Lipcon
HDFS-1939	ivy: test conf should not extend common conf	Major	build	Tsz Wo Nicholas Sze	Eric Yang
HDFS-1332	When unable to place replicas, BlockPlacementPolicy should log reasons nodes were excluded	Minor	namenode	Todd Lipcon	Ted Yu
HADOOP-7205	automatically determine JAVA_HOME on OS X	Trivial	.	Daryn Sharp	Daryn Sharp
MAPREDUCE-2381	JobTracker instrumentation not consistent about error handling	Major	.	Philip Zeyliger	Philip Zeyliger
HADOOP-7301	FSDataInputStream should expose a getWrappedStream method	Major	.	Jonathan Hsieh	Jonathan Hsieh
MAPREDUCE-2449	Allow for command line arguments when performing “Run on Hadoop” action.	Minor	contrib/eclipse-plugin	Jeff Zemerick	Jeff Zemerick
HDFS-1958	Format confirmation prompt should be more lenient of its input	Major	namenode	Todd Lipcon	Todd Lipcon
HADOOP-7306	Start metrics system even if config files are missing	Major	metrics	Luke Lu	Luke Lu
MAPREDUCE-2459	Cache HAR filesystem metadata	Major	harchive	Mac Yang	Mac Yang
MAPREDUCE-2490	Log blacklist debug count	Trivial	jobtracker	Jonathan Eagles	Jonathan Eagles
HDFS-1959	Better error message for missing namenode directory	Minor	.	Eli Collins	Eli Collins
MAPREDUCE-2492	[MAPREDUCE] The new MapReduce API should make available task’s progress to the task	Major	task	Amar Kamat	Amar Kamat
MAPREDUCE-2495	The distributed cache cleanup thread has no monitoring to check to see if it has died for some reason	Minor	distributed-cache	Robert Joseph Evans	Robert Joseph Evans
HADOOP-7329	incomplete help message is displayed for df -h option	Minor	fs	XieXianshan	XieXianshan
HADOOP-7320	Refactor FsShell’s copy & move commands	Major	.	Daryn Sharp	Daryn Sharp
HDFS-1996	ivy: hdfs test jar should be independent to common test jar	Major	build	Tsz Wo Nicholas Sze	Eric Yang
HADOOP-7333	Performance improvement in PureJavaCrc32	Minor	performance, util	Eric Caspole	Eric Caspole
HADOOP-7337	Annotate PureJavaCrc32 as a public API	Minor	util	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2551	MR 279: Implement JobSummaryLog	Major	mrv2	Siddharth Seth	Siddharth Seth
HDFS-1636	If dfs.name.dir points to an empty dir, namenode format shouldn’t require confirmation	Minor	namenode	Todd Lipcon	Harsh J
HDFS-2024	Eclipse format HDFS Junit test hdfs/TestWriteRead.java	Trivial	test	CW Chung	CW Chung
MAPREDUCE-2469	Task counters should also report the total heap usage of the task	Major	task	Amar Kamat	Amar Kamat
HDFS-1995	Minor modification to both dfsclusterhealth and dfshealth pages for Web UI	Minor	.	Tanping Wang	Tanping Wang
HADOOP-7316	Add public javadocs to FSDataInputStream and FSDataOutputStream	Major	documentation	Jonathan Hsieh	Eli Collins
HDFS-2029	Improve TestWriteRead	Trivial	test	Tsz Wo Nicholas Sze	John George
HDFS-2040	Only build libhdfs if a flag is passed	Minor	.	Eli Collins	Eli Collins
HDFS-2003	Separate FSEditLog reading logic from editLog memory state building logic	Major	.	Ivan Kelly	Ivan Kelly
MAPREDUCE-2580	MR 279: RM UI should redirect finished jobs to History UI	Minor	mrv2	Siddharth Seth	Siddharth Seth
HDFS-2056	Update fetchdt usage	Minor	documentation, tools	Tanping Wang	Tanping Wang
HADOOP-1886	Undocumented parameters in FilesSystem	Trivial	fs	Konstantin Shvachko	Frank Conrad
MAPREDUCE-1624	Document the job credentials and associated details to do with delegation tokens (on the client side)	Major	documentation	Devaraj Das	Devaraj Das
HADOOP-7375	Add resolvePath method to FileContext	Major	.	Sanjay Radia	Sanjay Radia
HDFS-2046	Force entropy to come from non-true random for tests	Major	build, test	Todd Lipcon	Todd Lipcon
MAPREDUCE-2106	Emulate CPU Usage of Tasks in GridMix3	Major	contrib/gridmix	Ranjit Mathew	Amar Kamat
HADOOP-7384	Allow test-patch to be more flexible about patch format	Major	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2105	Simulate Load Incrementally and Adaptively in GridMix3	Major	contrib/gridmix	Ranjit Mathew	Amar Kamat
MAPREDUCE-2107	Emulate Memory Usage of Tasks in GridMix3	Major	contrib/gridmix	Ranjit Mathew	Amar Kamat
MAPREDUCE-1702	CPU/Memory emulation for GridMix3	Minor	contrib/gridmix	Jaideep
MAPREDUCE-2326	Port gridmix changes from hadoop-0.20.100 to trunk	Major	.	Arun C Murthy
HADOOP-7379	Add ability to include Protobufs in ObjectWritable	Major	io, ipc	Todd Lipcon	Todd Lipcon
HDFS-2073	Namenode is missing @Override annotations	Minor	namenode	Suresh Srinivas	Suresh Srinivas
HADOOP-6929	RPC should have a way to pass Security information other than protocol annotations	Major	ipc, security	Sharad Agarwal	Sharad Agarwal
HDFS-420	Fuse-dfs should cache fs handles	Major	fuse-dfs	Dima Brodsky	Brian Bockelman
HDFS-1568	Improve DataXceiver error logging	Minor	datanode	Todd Lipcon	Joey Echeverria
MAPREDUCE-2611	MR 279: Metrics, finishTimes, etc in JobHistory	Major	mrv2	Siddharth Seth
HADOOP-7392	Implement capability of querying individual property of a mbean using JMXProxyServlet	Major	.	Tanping Wang	Tanping Wang
HDFS-2110	Some StreamFile and ByteRangeInputStream cleanup	Minor	namenode	Eli Collins	Eli Collins
MAPREDUCE-2624	Update RAID for HDFS-2107	Major	contrib/raid	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2118	Couple dfs data dir improvements	Minor	datanode	Eli Collins	Eli Collins
MAPREDUCE-2501	MR-279: Attach sources in builds	Major	mrv2	Luke Lu	Luke Lu
HADOOP-7448	merge for MR-279: HttpServer /stacks servlet should use plain text content type	Major	.	Matt Foley	Matt Foley
HADOOP-7451	merge for MR-279: Generalize StringUtils#join	Major	.	Matt Foley	Matt Foley
HADOOP-7449	merge for MR-279: add Data(In,Out)putByteBuffer to work with ByteBuffer similar to Data(In,Out)putBuffer for byte[]	Major	.	Matt Foley	Matt Foley
MAPREDUCE-2249	Better to check the reflexive property of the object while overriding equals method of it	Major	.	Bhallamudi Venkata Siva Kamesh	Devaraj K
MAPREDUCE-2596	Gridmix should notify job failures	Major	benchmarks, contrib/gridmix	Arun C Murthy	Amar Kamat
HADOOP-7361	Provide overwrite option (-overwrite/-f) in put and copyFromLocal command line options	Minor	fs	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-2054	BlockSender.sendChunk() prints ERROR for connection closures encountered during transferToFully()	Minor	datanode	Kihwal Lee	Kihwal Lee
HADOOP-7430	Improve error message when moving to trash fails due to quota issue	Minor	fs	Ravi Prakash	Ravi Prakash
MAPREDUCE-2680	Enhance job-client cli to show queue information for running jobs	Minor	.	Arun C Murthy	Arun C Murthy
MAPREDUCE-2679	MR-279: Merge MR-279 related minor patches into trunk	Trivial	.	Arun C Murthy	Arun C Murthy
MAPREDUCE-2682	Add a -classpath option to bin/mapred	Trivial	.	Arun C Murthy	Vinod Kumar Vavilapalli
HADOOP-7444	Add Checksum API to verify and calculate checksums “in bulk”	Major	.	Todd Lipcon	Todd Lipcon
HADOOP-7305	Eclipse project files are incomplete	Minor	build	Niels Basjes	Niels Basjes
HDFS-2143	Federation: we should link to the live nodes and dead nodes to cluster web console	Major	.	Ravi Prakash	Ravi Prakash
HADOOP-7434	Display error when using “daemonlog -setlevel” with illegal level	Minor	.	严金双	严金双
HDFS-2157	Improve header comment in o.a.h.hdfs.server.namenode.NameNode	Major	documentation, namenode	Aaron T. Myers	Aaron T. Myers
MAPREDUCE-2623	Update ClusterMapReduceTestCase to use MiniDFSCluster.Builder	Minor	test	Jim Plush	Harsh J
HDFS-2161	Move utilities to DFSUtil	Minor	balancer & mover, datanode, hdfs-client, namenode, security	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7314	Add support for throwing UnknownHostException when a host doesn’t resolve	Major	.	Jeffrey Naisbitt	Jeffrey Naisbitt
HDFS-1774	Small optimization to FSDataset	Minor	datanode	Uma Maheswara Rao G	Uma Maheswara Rao G
HADOOP-7460	Support for pluggable Trash policies	Major	fs	dhruba borthakur	Usman Masood
HDFS-1739	When DataNode throws DiskOutOfSpaceException, it will be helpfull to the user if we log the available volume size and configured block size.	Minor	datanode	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-2116	Cleanup TestStreamFile and TestByteRangeInputStream	Minor	test	Eli Collins	Plamen Jeliazkov
HADOOP-7463	Adding a configuration parameter to SecurityInfo interface.	Minor	.	Mahadev konar	Mahadev konar
HADOOP-7438	Using the hadoop-deamon.sh script to start nodes leads to a depricated warning	Major	.	Ravi Prakash	Ravi Prakash
MAPREDUCE-2602	Allow setting of end-of-record delimiter for TextInputFormat (for the old API)	Major	.	Ahmed Radwan	Ahmed Radwan
HDFS-2144	If SNN shuts down during initialization it does not log the cause	Major	namenode	Ravi Prakash	Ravi Prakash
HDFS-2180	Refactor NameNode HTTP server into new class	Major	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2664	MR 279: Implement JobCounters for MRv2 + Fix for Map Data Locality	Major	mrv2	Siddharth Seth	Siddharth Seth
HDFS-2198	Remove hardcoded configuration keys	Minor	datanode, hdfs-client, namenode	Suresh Srinivas	Suresh Srinivas
HDFS-2212	Refactor double-buffering code out of EditLogOutputStreams	Major	namenode	Todd Lipcon	Todd Lipcon
HADOOP-7474	Refactor ClientCache out of WritableRpcEngine.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-2707	ProtoOverHadoopRpcEngine without using TunnelProtocol over WritableRpc	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-7491	hadoop command should respect HADOOP_OPTS when given a class name	Major	scripts	Eli Collins	Eli Collins
MAPREDUCE-2243	Close all the file streams propely in a finally block to avoid their leakage.	Minor	jobtracker, tasktracker	Bhallamudi Venkata Siva Kamesh	Devaraj K
MAPREDUCE-2494	Make the distributed cache delete entires using LRU priority	Major	distributed-cache	Robert Joseph Evans	Robert Joseph Evans
HDFS-2187	HDFS-1580: Make EditLogInputStream act like an iterator over FSEditLogOps	Major	.	Ivan Kelly	Ivan Kelly
HADOOP-7445	Implement bulk checksum verification using efficient native code	Major	native, util	Todd Lipcon	Todd Lipcon
HDFS-2226	Clean up counting of operations in FSEditLogLoader	Trivial	namenode	Todd Lipcon	Todd Lipcon
HDFS-2225	HDFS-2018 Part 1 : Refactor file management so its not in classes which should be generic	Major	.	Ivan Kelly	Ivan Kelly
HDFS-2238	NamenodeFsck.toString() uses StringBuilder with + operator	Minor	namenode	Tsz Wo Nicholas Sze	Uma Maheswara Rao G
HDFS-2230	hdfs it not resolving the latest common test jars published post common mavenization	Major	build	Giridharan Kesavan	Giridharan Kesavan
HDFS-2227	HDFS-2018 Part 2 : getRemoteEditLogManifest should pull it’s information from FileJournalManager	Major	.	Ivan Kelly	Ivan Kelly
HADOOP-7472	RPC client should deal with the IP address changes	Minor	ipc	Kihwal Lee	Kihwal Lee
HDFS-2241	Remove implementing FSConstants interface just to access the constants defined in the interface	Major	.	Suresh Srinivas	Suresh Srinivas
HADOOP-7531	Add servlet util methods for handling paths in requests	Major	util	Eli Collins	Eli Collins
MAPREDUCE-901	Move Framework Counters into a TaskMetric structure	Major	task	Owen O’Malley	Luke Lu
HDFS-2260	Refactor BlockReader into an interface and implementation	Major	hdfs-client	Todd Lipcon	Todd Lipcon
MAPREDUCE-279	Map-Reduce 2.0	Major	mrv2	Arun C Murthy
HADOOP-7555	Add a eclipse-generated files to .gitignore	Trivial	build	Aaron T. Myers	Aaron T. Myers
MAPREDUCE-2805	Update RAID for HDFS-2241	Minor	contrib/raid	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2701	MR-279: app/Job.java needs UGI for the user that launched it	Major	mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2848	Upgrade avro to 1.5.2	Major	.	Luke Lu	Luke Lu
HDFS-2273	Refactor BlockManager.recentInvalidateSets to a new class	Minor	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2286	DataXceiverServer logs AsynchronousCloseException at shutdown	Trivial	datanode	Todd Lipcon	Todd Lipcon
MAPREDUCE-2893	Removing duplicate service provider in hadoop-mapreduce-client-jobclient	Trivial	client	Liang-Chi Hsieh	Liang-Chi Hsieh
HADOOP-7595	Upgrade dependency to Avro 1.5.3	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7552	FileUtil#fullyDelete doesn’t throw IOE but lists it in the throws clause	Minor	fs	Eli Collins	Eli Collins
HDFS-1620	Rename HdfsConstants -> HdfsServerConstants, FSConstants -> HdfsConstants	Minor	.	Tsz Wo Nicholas Sze	Harsh J
HADOOP-7612	Change test-patch to run tests for all nested modules	Major	build	Tom White	Tom White
MAPREDUCE-2864	Renaming of configuration property names in yarn	Major	jobhistoryserver, mrv2, nodemanager, resourcemanager	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2691	Finish up the cleanup of distributed cache file resources and related tests.	Major	mrv2	Amol Kekre	Siddharth Seth
MAPREDUCE-2675	MR-279: JobHistory Server main page needs to be reformatted	Major	mrv2	Robert Joseph Evans	Robert Joseph Evans
HDFS-2197	Refactor RPC call implementations out of NameNode class	Major	namenode	Todd Lipcon	Todd Lipcon
MAPREDUCE-2676	MR-279: JobHistory Job page needs reformatted	Major	mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2966	Add ShutDown hooks for MRV2 processes	Major	applicationmaster, jobhistoryserver, nodemanager, resourcemanager	Abhijit Suresh Shingate	Abhijit Suresh Shingate
MAPREDUCE-2672	MR-279: JobHistory Server needs Analysis this job	Major	mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2726	MR-279: Add the jobFile to the web UI	Blocker	mrv2	Jeffrey Naisbitt	Jeffrey Naisbitt
MAPREDUCE-2930	Generate state graph from the State Machine Definition	Major	mrv2	Sharad Agarwal	Binglin Chang
MAPREDUCE-2880	Fix classpath construction for MRv2	Blocker	mrv2	Luke Lu	Arun C Murthy
HADOOP-7457	Remove out-of-date Chinese language documentation	Blocker	documentation	Jakob Homan	Jakob Homan
MAPREDUCE-1207	Allow admins to set java options for map/reduce tasks	Blocker	client, mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-2961	Increase the default threadpool size for container launching in the application master.	Blocker	mrv2	Mahadev konar	Vinod Kumar Vavilapalli
MAPREDUCE-2990	Health Report on Resource Manager UI is null if the NM’s are all healthy.	Blocker	mrv2	Mahadev konar	Subroto Sanyal
MAPREDUCE-3090	Change MR AM to use ApplicationAttemptId rather than <applicationId, startCount> everywhere	Major	applicationmaster, mrv2	Arun C Murthy	Arun C Murthy
HADOOP-7668	Add a NetUtils method that can tell if an InetAddress belongs to local host	Minor	util	Suresh Srinivas	Steve Loughran
HDFS-2355	Federation: enable using the same configuration file across all the nodes in the cluster.	Major	namenode	Suresh Srinivas	Suresh Srinivas
HDFS-2371	Refactor BlockSender.java for better readability	Major	datanode	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-3001	Map Reduce JobHistory and AppMaster UI should have ability to display task specific counters.	Blocker	jobhistoryserver, mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-3113	the scripts yarn-daemon.sh and yarn are not working properly	Minor	mrv2	XieXianshan	XieXianshan
HADOOP-7710	create a script to setup application in order to create root directories for application such hbase, hcat, hive etc	Major	.	Arpit Gupta	Arpit Gupta
HADOOP-7707	improve config generator to allow users to specify proxy user, turn append on or off, turn webhdfs on or off	Major	conf	Arpit Gupta	Arpit Gupta
HADOOP-7720	improve the hadoop-setup-conf.sh to read in the hbase user and setup the configs	Major	conf	Arpit Gupta	Arpit Gupta
HDFS-2209	Make MiniDFS easier to embed in other apps	Minor	test	Steve Loughran	Steve Loughran
MAPREDUCE-3014	Rename and invert logic of ‘-cbuild’ profile to ‘native’ and off by default	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7624	Set things up for a top level hadoop-tools module	Major	build	Vinod Kumar Vavilapalli	Alejandro Abdelnur
HDFS-2294	Download of commons-daemon TAR should not be under target	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-2802	[MR-279] Jobhistory filenames should have jobID to help in better parsing	Critical	mrv2	Ramya Sunil	Jonathan Eagles
HADOOP-7627	Improve MetricsAsserts to give more understandable output on failure	Minor	metrics, test	Todd Lipcon	Todd Lipcon
HDFS-2205	Log message for failed connection to datanode is not followed by a success message.	Major	hdfs-client	Ravi Prakash	Ravi Prakash
MAPREDUCE-3154	Validate the Jobs Output Specification as the first statement in JobSubmitter.submitJobInternal(Job, Cluster) method	Major	client, mrv2	Abhijit Suresh Shingate	Abhijit Suresh Shingate
MAPREDUCE-3161	Improve javadoc and fix some typos in MR2 code	Minor	mrv2	Todd Lipcon	Todd Lipcon
HADOOP-7642	create hadoop-dist module where TAR stitching would happen	Major	build	Alejandro Abdelnur	Tom White
MAPREDUCE-3171	normalize nodemanager native code compilation with common/hdfs native	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7709	Running a set of methods in a Single Test Class	Major	.	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3133	Running a set of methods in a Single Test Class	Major	build	Jonathan Eagles	Jonathan Eagles
HDFS-2401	Running a set of methods in a Single Test Class	Major	build	Jonathan Eagles	Jonathan Eagles
HADOOP-7737	normalize hadoop-mapreduce & hadoop-dist dist/tar build with common/hdfs	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7743	Add Maven profile to create a full source tarball	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7509	Improve message when Authentication is required	Trivial	.	Ravi Prakash	Ravi Prakash
HADOOP-7655	provide a small validation script that smoke tests the installed cluster	Major	.	Arpit Gupta	Arpit Gupta
MAPREDUCE-3187	Add names for various unnamed threads in MR2	Minor	mrv2	Todd Lipcon	Todd Lipcon
MAPREDUCE-3190	bin/yarn should barf early if HADOOP_COMMON_HOME or HADOOP_HDFS_HOME are not set	Major	mrv2	Todd Lipcon	Todd Lipcon
MAPREDUCE-2890	Documentation for MRv2	Blocker	documentation, mrv2	Arun C Murthy
MAPREDUCE-2894	Improvements to YARN apis	Blocker	mrv2	Arun C Murthy
MAPREDUCE-3189	Add link decoration back to MR2’s CSS	Major	mrv2	Todd Lipcon	Todd Lipcon
MAPREDUCE-3162	Separate application-init and container-init event types in NM’s ApplicationImpl FSM	Minor	mrv2, nodemanager	Todd Lipcon	Todd Lipcon
HADOOP-7749	Add NetUtils call which provides more help in exception messages	Minor	util	Todd Lipcon	Todd Lipcon
MAPREDUCE-2629	Class loading quirk prevents inner class method compilation	Minor	task	Eric Caspole	Eric Caspole
MAPREDUCE-3239	Use new createSocketAddr API in MRv2 to give better error messages on misconfig	Minor	mrv2	Todd Lipcon	Todd Lipcon
HDFS-2485	Improve code layout and constants in UnderReplicatedBlocks	Trivial	datanode	Steve Loughran	Steve Loughran
HADOOP-7772	javadoc the topology classes	Trivial	.	Steve Loughran	Steve Loughran
HDFS-2507	HA: Allow saveNamespace operations to be canceled	Major	namenode	Todd Lipcon	Todd Lipcon
HDFS-2500	Avoid file system operations in BPOfferService thread while processing deletes	Major	datanode	Todd Lipcon	Todd Lipcon
HADOOP-7360	FsShell does not preserve relative paths with globs	Major	fs	Daryn Sharp	Kihwal Lee
HDFS-2465	Add HDFS support for fadvise readahead and drop-behind	Major	datanode, performance	Todd Lipcon	Todd Lipcon
HADOOP-7446	Implement CRC32C native code using SSE4.2 instructions	Major	native, performance	Todd Lipcon	Todd Lipcon
HADOOP-7763	Add top-level navigation to APT docs	Major	documentation	Tom White	Tom White
MAPREDUCE-3275	Add docs for WebAppProxy	Critical	documentation, mrv2	Robert Joseph Evans	Robert Joseph Evans
HDFS-2512	Add textual error message to data transfer protocol responses	Major	datanode, hdfs-client	Todd Lipcon	Todd Lipcon
MAPREDUCE-3322	Create a better index.html for maven docs	Major	documentation, mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-3237	Move LocalJobRunner to hadoop-mapreduce-client-core module	Major	client	Tom White	Tom White
HDFS-2521	Remove custom checksum headers from data transfer protocol	Major	datanode, hdfs-client	Todd Lipcon	Todd Lipcon
HADOOP-7785	Add equals, hashcode, toString to DataChecksum	Major	io, util	Todd Lipcon	Todd Lipcon
HADOOP-7789	Minor edits to top-level site	Major	.	Arun C Murthy	Arun C Murthy
HADOOP-7664	o.a.h.conf.Configuration complains of overriding final parameter even if the value with which its attempting to override is the same.	Minor	conf	Ravi Prakash	Ravi Prakash
MAPREDUCE-2399	The embedded web framework for MAPREDUCE-279	Major	.	Arun C Murthy	Luke Lu
HADOOP-7328	When a serializer class is missing, return null, not throw an NPE.	Major	io	Harsh J	Harsh J
HDFS-1937	Umbrella JIRA for improving DataTransferProtocol	Major	datanode, hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1378	Edit log replay should track and report file offsets in case of errors	Major	namenode	Todd Lipcon	Colin P. McCabe
HADOOP-7209	Extensions to FsShell	Major	.	Olga Natkovich	Daryn Sharp
HADOOP-8619	WritableComparator must implement no-arg constructor	Major	io	Radim Kolar	Chris Douglas

BUG FIXES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-7015	RawLocalFileSystem#listStatus does not deal with a directory whose entries are changing ( e.g. in a multi-thread or multi-process environment)	Minor	.	Sanjay Radia	Sanjay Radia
MAPREDUCE-2172	test-patch.properties contains incorrect/version-dependent values of OK_FINDBUGS_WARNINGS and OK_RELEASEAUDIT_WARNINGS	Major	.	Patrick Kling	Nigel Daley
HADOOP-7045	TestDU fails on systems with local file systems with extended attributes	Minor	fs	Eli Collins	Eli Collins
HDFS-1001	DataXceiver and BlockReader disagree on when to send/recv CHECKSUM_OK	Minor	datanode	bc Wong	bc Wong
HDFS-1467	Append pipeline never succeeds with more than one replica	Blocker	datanode	Todd Lipcon	Todd Lipcon
MAPREDUCE-2199	build is broken 0.22 branch creation	Major	build	Konstantin Boudnik	Konstantin Boudnik
HDFS-1516	mvn-install is broken after 0.22 branch creation	Major	build	Konstantin Boudnik	Konstantin Boudnik
HADOOP-7052	misspelling of threshold in conf/log4j.properties	Major	conf	Jingguo Yao	Jingguo Yao
HADOOP-7053	wrong FSNamesystem Audit logging setting in conf/log4j.properties	Minor	conf	Jingguo Yao	Jingguo Yao
HDFS-1503	TestSaveNamespace fails	Minor	test	Eli Collins	Todd Lipcon
HADOOP-7057	IOUtils.readFully and IOUtils.skipFully have typo in exception creation’s message	Minor	util	Konstantin Boudnik	Konstantin Boudnik
HDFS-1524	Image loader should make sure to read every byte in image file	Blocker	namenode	Hairong Kuang	Hairong Kuang
HDFS-1523	TestLargeBlock is failing on trunk	Major	test	Konstantin Boudnik	Konstantin Boudnik
HADOOP-6939	Inconsistent lock ordering in AbstractDelegationTokenSecretManager	Minor	.	Todd Lipcon	Todd Lipcon
HDFS-1502	TestBlockRecovery triggers NPE in assert	Minor	.	Eli Collins	Hairong Kuang
HDFS-1533	A more elegant FileSystem#listCorruptFileBlocks API (HDFS portion)	Major	hdfs-client	Patrick Kling	Patrick Kling
MAPREDUCE-2215	A more elegant FileSystem#listCorruptFileBlocks API (RAID changes)	Major	contrib/raid	Patrick Kling	Patrick Kling
MAPREDUCE-1334	contrib/index - test - TestIndexUpdater fails due to an additional presence of file _SUCCESS in hdfs	Major	contrib/index	Karthik K	Karthik K
HDFS-1377	Quota bug for partial blocks allows quotas to be violated	Blocker	namenode	Eli Collins	Eli Collins
HDFS-1360	TestBlockRecovery should bind ephemeral ports	Minor	test	Todd Lipcon	Todd Lipcon
HDFS-1206	TestFiHFlush fails intermittently	Major	test	Tsz Wo Nicholas Sze	Konstantin Boudnik
HDFS-1511	98 Release Audit warnings on trunk and branch-0.22	Blocker	.	Nigel Daley	Jakob Homan
HDFS-1551	fix the pom template’s version	Major	build	Giridharan Kesavan	Giridharan Kesavan
HADOOP-7071	test-patch.sh has bad ps arg	Minor	build	Nigel Daley	Nigel Daley
HDFS-1540	Make Datanode handle errors to namenode.register call more elegantly	Major	datanode	dhruba borthakur	dhruba borthakur
HDFS-1463	accessTime updates should not occur in safeMode	Major	namenode	dhruba borthakur	dhruba borthakur
HADOOP-7101	UserGroupInformation.getCurrentUser() fails when called from non-Hadoop JAAS context	Blocker	security	Todd Lipcon	Todd Lipcon
HADOOP-7089	Fix link resolution logic in hadoop-config.sh	Minor	scripts	Eli Collins	Eli Collins
HDFS-1585	HDFS-1547 broke MR build	Blocker	test	Todd Lipcon	Todd Lipcon
HADOOP-7046	1 Findbugs warning on trunk and branch-0.22	Blocker	security	Nigel Daley	Po Cheung
MAPREDUCE-2271	TestSetupTaskScheduling failing in trunk	Blocker	jobtracker	Todd Lipcon	Liyin Liang
HADOOP-7120	200 new Findbugs warnings	Major	test	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1598	ListPathsServlet excludes .*.crc files	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2290	TestTaskCommit missing getProtocolSignature override	Major	test	Eli Collins	Eli Collins
HDFS-863	Potential deadlock in TestOverReplicatedBlocks	Major	test	Todd Lipcon	Ken Goodhope
HDFS-1600	editsStored.xml cause release audit warning	Major	build, test	Tsz Wo Nicholas Sze	Todd Lipcon
MAPREDUCE-2311	TestFairScheduler failing on trunk	Blocker	contrib/fair-share	Todd Lipcon	Scott Chen
HDFS-1602	NameNode storage failed replica restoration is broken	Major	namenode	Konstantin Boudnik	Boris Shkolnik
HADOOP-7151	Document need for stable hashCode() in WritableComparable	Minor	.	Dmitriy V. Ryaboy	Dmitriy V. Ryaboy
HDFS-1612	HDFS Design Documentation is outdated	Minor	documentation	Joe Crobak	Joe Crobak
MAPREDUCE-1996	API: Reducer.reduce() method detail misstatement	Trivial	documentation	Glynn Durham	Harsh J
MAPREDUCE-2074	Task should fail when symlink creation fail	Minor	distributed-cache	Koji Noguchi	Priyo Mustafi
HDFS-1625	TestDataNodeMXBean fails if disk space usage changes during test run	Minor	test	Todd Lipcon	Tsz Wo Nicholas Sze
MAPREDUCE-1811	Job.monitorAndPrintJob() should print status of the job at completion	Minor	client	Amareshwari Sriramadasu	Harsh J
MAPREDUCE-993	bin/hadoop job -events <jobid> <from-event-#> <#-of-events> help message is confusing	Minor	jobtracker	Iyappan Srinivasan	Harsh J
HADOOP-6754	DefaultCodec.createOutputStream() leaks memory	Major	io	Aaron Kimball	Aaron Kimball
HDFS-1691	double static declaration in Configuration.addDefaultResource(“hdfs-default.xml”);	Minor	tools	Alexey Diomin	Alexey Diomin
MAPREDUCE-1242	Chain APIs error misleading	Trivial	.	Amogh Vasekar	Harsh J
HADOOP-7098	tasktracker property not set in conf/hadoop-env.sh	Major	conf	Bernd Fondermann	Bernd Fondermann
HADOOP-7162	FsShell: call srcFs.listStatus(src) twice	Minor	fs	Alexey Diomin	Alexey Diomin
HDFS-1665	Balancer sleeps inadequately	Minor	balancer & mover	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1728	SecondaryNameNode.checkpointSize is in byte but not MB.	Minor	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-6912	Guard against NPE when calling UGI.isLoginKeytabBased()	Major	security	Kan Zhang	Kan Zhang
HDFS-1748	Balancer utilization classification is incomplete	Major	balancer & mover	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2379	Distributed cache sizing configurations are missing from mapred-default.xml	Major	distributed-cache, documentation	Todd Lipcon	Todd Lipcon
HADOOP-7175	Add isEnabled() to Trash	Major	fs	Daryn Sharp	Daryn Sharp
HDFS-1750	fs -ls hftp://file not working	Major	.	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7174	null is displayed in the console,if the src path is invalid while doing copyToLocal operation from commandLine	Minor	fs	Uma Maheswara Rao G	Uma Maheswara Rao G
HADOOP-7187	Socket Leak in org.apache.hadoop.metrics.ganglia.GangliaContext	Major	metrics	Uma Maheswara Rao G	Uma Maheswara Rao G
HADOOP-7194	Potential Resource leak in IOUtils.java	Major	io	Devaraj K	Devaraj K
HDFS-1797	New findbugs warning introduced by HDFS-1120	Major	.	Todd Lipcon	Todd Lipcon
HDFS-1781	jsvc executable delivered into wrong package…	Major	scripts	John George	John George
HDFS-1782	FSNamesystem.startFileInternal(..) throws NullPointerException	Major	namenode	John George	John George
HADOOP-7210	Chown command is not working from FSShell.	Major	fs	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-1611	Some logical issues need to address.	Minor	hdfs-client, namenode	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-1189	Quota counts missed between clear quota and set quota	Major	namenode	Kang Xiao	John George
MAPREDUCE-2307	Exception thrown in Jobtracker logs, when the Scheduler configured is FairScheduler.	Minor	contrib/fair-share	Devaraj K	Devaraj K
MAPREDUCE-2395	TestBlockFixer timing out on trunk	Critical	contrib/raid	Todd Lipcon	Ramkumar Vadali
HDFS-1818	TestHDFSCLI is failing on trunk	Major	test	Aaron T. Myers	Aaron T. Myers
HADOOP-7216	HADOOP-7202 broke TestDFSShell in HDFS	Major	test	Aaron T. Myers	Daryn Sharp
HDFS-1760	problems with getFullPathName	Major	namenode	Daryn Sharp	Daryn Sharp
HDFS-1821	FileContext.createSymlink with kerberos enabled sets wrong owner	Major	.	John George	John George
MAPREDUCE-2439	MR-279: Fix YarnRemoteException to give more details.	Major	mrv2	Mahadev konar	Siddharth Seth
HADOOP-7223	FileContext createFlag combinations during create are not clearly defined	Major	fs	Suresh Srinivas	Suresh Srinivas
HADOOP-7171	Support UGI in FileContext API	Major	security	Owen O’Malley	Jitendra Nath Pandey
MAPREDUCE-2440	MR-279: Name clashes in TypeConverter	Major	mrv2	Luke Lu	Luke Lu
HADOOP-7231	Fix synopsis for -count	Major	util	Daryn Sharp	Daryn Sharp
HDFS-1824	delay instantiation of file system object until it is needed (linked to HADOOP-7207)	Major	.	Boris Shkolnik	Boris Shkolnik
HADOOP-7207	fs member of FSShell is not really needed	Major	.	Boris Shkolnik	Boris Shkolnik
HDFS-1806	TestBlockReport.blockReport_08() and _09() are timing-dependent and likely to fail on fast servers	Major	datanode, namenode	Matt Foley	Matt Foley
HDFS-1845	symlink comes up as directory after namenode restart	Major	.	John George	John George
HADOOP-7172	SecureIO should not check owner on non-secure clusters that have no native support	Critical	io, security	Todd Lipcon	Todd Lipcon
HDFS-1594	When the disk becomes full Namenode is getting shutdown and not able to recover	Major	namenode	Devaraj K	Aaron T. Myers
MAPREDUCE-2317	HadoopArchives throwing NullPointerException while creating hadoop archives (.har files)	Minor	harchive	Devaraj K	Devaraj K
HDFS-1823	start-dfs.sh script fails if HADOOP_HOME is not set	Blocker	scripts	Tom White	Tom White
MAPREDUCE-2428	start-mapred.sh script fails if HADOOP_HOME is not set	Blocker	.	Tom White	Tom White
HDFS-1808	TestBalancer waits forever, errs without giving information	Major	datanode, namenode	Matt Foley	Matt Foley
HDFS-1829	TestNodeCount waits forever, errs without giving information	Major	namenode	Matt Foley	Matt Foley
HDFS-1822	Editlog opcodes overlap between 20 security and later releases	Blocker	namenode	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-2417	In Gridmix, in RoundRobinUserResolver mode, the testing/proxy users are not associated with unique users in a trace	Major	contrib/gridmix	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-2433	MR-279: YARNApplicationConstants hard code app master jar version	Blocker	mrv2	Luke Lu	Mahadev konar
MAPREDUCE-2458	MR-279: Rename sanitized pom.xml in build directory to work around IDE bug	Major	mrv2	Luke Lu	Luke Lu
MAPREDUCE-2416	In Gridmix, in RoundRobinUserResolver, the list of groups for a user obtained from users-list-file is incorrect	Major	contrib/gridmix	Ravi Gummadi	Ravi Gummadi
HDFS-1871	Tests using MiniDFSCluster fail to compile due to HDFS-1052 changes	Major	test	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-2460	TestFairSchedulerSystem failing on Hudson	Blocker	.	Todd Lipcon	Todd Lipcon
HDFS-1876	One MiniDFSCluster ignores numDataNodes parameter	Blocker	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2466	TestFileInputFormat.testLocality failing after federation merge	Blocker	.	Todd Lipcon	Todd Lipcon
HDFS-1888	MiniDFSCluster#corruptBlockOnDatanodes() access must be public for MapReduce contrib raid	Major	.	Suresh Srinivas	Suresh Srinivas
HDFS-1889	incorrect path in start/stop dfs script	Major	.	John George	John George
HDFS-1898	Tests failing on trunk due to use of NameNode.format	Critical	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2475	Disable IPV6 for junit tests	Major	test	Suresh Srinivas	Suresh Srinivas
HADOOP-7261	Disable IPV6 for junit tests	Major	test	Suresh Srinivas	Suresh Srinivas
HDFS-1827	TestBlockReplacement waits forever, errs without giving information	Major	namenode	Matt Foley	Matt Foley
MAPREDUCE-2451	Log the reason string of healthcheck script	Trivial	jobtracker	Thomas Graves	Thomas Graves
HADOOP-7268	FileContext.getLocalFSFileContext() behavior needs to be fixed w.r.t tokens	Major	fs, security	Devaraj Das	Jitendra Nath Pandey
MAPREDUCE-2480	MR-279: mr app should not depend on hard-coded version of shuffle	Major	mrv2	Luke Lu	Luke Lu
HDFS-1908	DataTransferTestUtil$CountdownDoosAction.run(..) throws NullPointerException	Minor	test	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2467	HDFS-1052 changes break the raid contrib module in MapReduce	Major	contrib/raid	Suresh Srinivas	Suresh Srinivas
HADOOP-7055	Update of commons logging libraries causes EventCounter to count logging events incorrectly	Major	metrics	Jingguo Yao	Jingguo Yao
HDFS-1627	Fix NullPointerException in Secondary NameNode	Major	namenode	Hairong Kuang	Hairong Kuang
HDFS-1917	Clean up duplication of dependent jar files	Major	build	Eric Yang	Eric Yang
HDFS-1938	Reference ivy-hdfs.classpath not found.	Minor	build	Tsz Wo Nicholas Sze	Eric Yang
HDFS-1835	DataNode.setNewStorageID pulls entropy from /dev/random	Major	datanode	John Carrino	John Carrino
HADOOP-7292	Metrics 2 TestSinkQueue is racy	Minor	metrics	Luke Lu	Luke Lu
HDFS-1914	Federation: namenode storage directory must be configurable specific to a namenode	Major	namenode	Suresh Srinivas	Suresh Srinivas
HDFS-1881	Federation: after taking snapshot the current directory of datanode is empty	Major	datanode	Tanping Wang	Tanping Wang
HADOOP-7282	getRemoteIp could return null in cases where the call is ongoing but the ip went away.	Major	ipc	John George	John George
MAPREDUCE-2497	missing spaces in error messages	Trivial	.	Robert Henry	Eli Collins
MAPREDUCE-2500	MR 279: PB factories are not thread safe	Major	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-2504	MR 279: race in JobHistoryEventHandler stop	Major	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-2509	MR-279: Fix NPE in UI for pending attempts	Major	mrv2	Luke Lu	Luke Lu
HDFS-1505	saveNamespace appears to succeed even if all directories fail to save	Blocker	.	Todd Lipcon	Aaron T. Myers
HDFS-1927	audit logs could ignore certain xsactions and also could contain “ip=null”	Major	namenode	John George	John George
MAPREDUCE-2258	IFile reader closes stream and compressor in wrong order	Major	task	Todd Lipcon	Todd Lipcon
HDFS-1953	Change name node mxbean name in cluster web console	Minor	.	Tanping Wang	Tanping Wang
MAPREDUCE-2483	Clean up duplication of dependent jar files	Major	build	Eric Yang	Eric Yang
HDFS-1905	Improve the usability of namenode -format	Minor	namenode	Bharath Mundlapudi	Bharath Mundlapudi
HDFS-1371	One bad node can incorrectly flag many files as corrupt	Major	hdfs-client, namenode	Koji Noguchi	Tanping Wang
MAPREDUCE-2518	missing t flag in distcp help message ‘-p[rbugp]’	Major	distcp	Wei Yongjun	Wei Yongjun
MAPREDUCE-2514	ReinitTrackerAction class name misspelled RenitTrackerAction in task tracker log	Trivial	tasktracker	Jonathan Eagles	Jonathan Eagles
HDFS-1921	Save namespace can cause NN to be unable to come up on restart	Blocker	.	Aaron T. Myers	Matt Foley
HADOOP-6508	Incorrect values for metrics with CompositeContext	Major	metrics	Amareshwari Sriramadasu	Luke Lu
HADOOP-7287	Configuration deprecation mechanism doesn’t work properly for GenericOptionsParser/Tools	Blocker	conf	Todd Lipcon	Aaron T. Myers
HADOOP-7259	contrib modules should include build.properties from parent.	Major	build	Owen O’Malley	Owen O’Malley
HADOOP-7215	RPC clients must connect over a network interface corresponding to the host name in the client’s kerberos principal key	Blocker	security	Suresh Srinivas	Suresh Srinivas
HADOOP-7258	Gzip codec should not return null decompressors	Major	.	Owen O’Malley	Owen O’Malley
MAPREDUCE-2534	MR-279: Fix CI breaking hard coded version in jobclient pom	Major	mrv2	Luke Lu	Luke Lu
MAPREDUCE-2470	Receiving NPE occasionally on RunningJob.getCounters() call	Major	client	Aaron Baff	Robert Joseph Evans
HADOOP-7322	Adding a util method in FileUtil for JDK File.listFiles	Minor	.	Bharath Mundlapudi	Bharath Mundlapudi
HDFS-1964	Incorrect HTML unescaping in DatanodeJspHelper.java	Major	.	Aaron T. Myers	Aaron T. Myers
HDFS-1999	Tests use deprecated configs	Major	test	Aaron T. Myers	Aaron T. Myers
HDFS-1592	Datanode startup doesn’t honor volumes.tolerated	Major	.	Bharath Mundlapudi	Bharath Mundlapudi
HDFS-1812	Address the cleanup issues in TestHDFSCLI.java	Minor	test	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-2137	Mapping between Gridmix jobs and the corresponding original MR jobs is needed	Major	contrib/gridmix	Ravi Gummadi	Ravi Gummadi
HDFS-1920	libhdfs does not build for ARM processors	Major	libhdfs	Trevor Robinson	Trevor Robinson
HADOOP-7276	Hadoop native builds fail on ARM due to -m32	Major	native	Trevor Robinson	Trevor Robinson
HDFS-1727	fsck command can display command usage if user passes any illegal argument	Minor	.	Uma Maheswara Rao G	sravankorumilli
HADOOP-7208	equals() and hashCode() implementation need to change in StandardSocketFactory	Major	.	Uma Maheswara Rao G	Uma Maheswara Rao G
HADOOP-7336	TestFileContextResolveAfs will fail with default test.build.data property.	Minor	.	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-2552	MR 279: NPE when requesting attemptids for completed jobs	Minor	mrv2	Siddharth Seth	Siddharth Seth
HDFS-2021	TestWriteRead failed with inconsistent visible length of a file	Major	datanode	CW Chung	John George
MAPREDUCE-2556	MR 279: NodeStatus.getNodeHealthStatus().setBlah broken	Major	mrv2	Siddharth Seth	Siddharth Seth
HDFS-2020	TestDFSUpgradeFromImage fails	Major	datanode, test	Suresh Srinivas	Suresh Srinivas
HDFS-1936	Updating the layout version from HDFS-1822 causes upgrade problems.	Blocker	namenode	Suresh Srinivas	Suresh Srinivas
HDFS-2022	ant binary should build libhdfs	Major	build	Eli Collins	Eric Yang
HDFS-2014	bin/hdfs no longer works from a source checkout	Critical	scripts	Todd Lipcon	Eric Yang
MAPREDUCE-2537	MR-279: The RM writes its log to yarn-mapred-resourcemanager-<RM_Host>.out	Minor	mrv2	Robert Joseph Evans	Robert Joseph Evans
HDFS-1986	Add an option for user to return http or https ports regardless of security is on/off in DFSUtil.getInfoServer()	Minor	tools	Tanping Wang	Tanping Wang
HDFS-1934	Fix NullPointerException when File.listFiles() API returns null	Major	.	Bharath Mundlapudi	Bharath Mundlapudi
HDFS-1907	BlockMissingException upon concurrent read and write: reader was doing file position read while writer is doing write without hflush	Major	hdfs-client	CW Chung	John George
HADOOP-7284	Trash and shell’s rm does not work for viewfs	Major	viewfs	Sanjay Radia	Sanjay Radia
HADOOP-7342	Add an utility API in FileUtil for JDK File.list	Minor	.	Bharath Mundlapudi	Bharath Mundlapudi
HDFS-2019	Fix all the places where Java method File.list is used with FileUtil.list API	Minor	datanode	Bharath Mundlapudi	Bharath Mundlapudi
MAPREDUCE-2529	Recognize Jetty bug 1342 and handle it	Major	tasktracker	Thomas Graves	Thomas Graves
HADOOP-7341	Fix option parsing in CommandFormat	Major	fs	Daryn Sharp	Daryn Sharp
MAPREDUCE-2104	Rumen TraceBuilder Does Not Emit CPU/Memory Usage Details in Traces	Major	tools/rumen	Ranjit Mathew	Amar Kamat
HADOOP-7353	Cleanup FsShell and prevent masking of RTE stacktraces	Major	fs	Daryn Sharp	Daryn Sharp
MAPREDUCE-2185	Infinite loop at creating splits using CombineFileInputFormat	Major	job submission	Hairong Kuang	Ramkumar Vadali
HDFS-1149	Lease reassignment is not persisted to edit log	Major	namenode	Todd Lipcon	Aaron T. Myers
HDFS-1998	make refresh-namodenodes.sh refreshing all namenodes	Minor	scripts	Tanping Wang	Tanping Wang
HDFS-1875	MiniDFSCluster hard-codes dfs.datanode.address to localhost	Major	test	Eric Payne	Eric Payne
MAPREDUCE-2559	ant binary fails due to missing c++ lib dir	Major	build	Eric Yang	Eric Yang
HADOOP-5647	TestJobHistory fails if /tmp/_logs is not writable to. Testcase should not depend on /tmp	Major	test	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-2566	MR 279: YarnConfiguration should reloadConfiguration if instantiated with a non YarnConfiguration object	Major	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-2573	New findbugs warning after MAPREDUCE-2494	Major	.	Todd Lipcon	Robert Joseph Evans
HDFS-2030	Fix the usability of namenode upgrade command	Minor	.	Bharath Mundlapudi	Bharath Mundlapudi
MAPREDUCE-2581	Spelling errors in log messages (MapTask)	Trivial	.	Dave Syer	Tim Sell
MAPREDUCE-2582	MR 279: Cleanup JobHistory event generation	Major	mrv2	Siddharth Seth	Siddharth Seth
HDFS-2041	Some mtimes and atimes are lost when edit logs are replayed	Major	.	Todd Lipcon	Todd Lipcon
HDFS-1786	Some cli test cases expect a “null” message	Minor	test	Tsz Wo Nicholas Sze	Uma Maheswara Rao G
HDFS-2061	two minor bugs in BlockManager block report processing	Minor	namenode	Matt Foley	Matt Foley
MAPREDUCE-587	Stream test TestStreamingExitStatus fails with Out of Memory	Minor	contrib/streaming	Steve Loughran	Amar Kamat
HADOOP-7383	HDFS needs to export protobuf library dependency in pom	Blocker	build	Todd Lipcon	Todd Lipcon
HDFS-2067	Bump DATA_TRANSFER_VERSION in trunk for protobufs	Major	datanode, hdfs-client	Todd Lipcon	Tsz Wo Nicholas Sze
MAPREDUCE-2588	Raid is not compile after DataTransferProtocol refactoring	Major	contrib/raid	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7389	Use of TestingGroups by tests causes subsequent tests to fail	Major	test	Aaron T. Myers	Aaron T. Myers
MAPREDUCE-2569	MR-279: Restarting resource manager with root capacity not equal to 100 percent should result in error	Minor	mrv2	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-2595	MR279: update yarn INSTALL doc	Minor	.	Thomas Graves	Thomas Graves
HADOOP-7377	Fix command name handling affecting DFSAdmin	Major	fs	Daryn Sharp	Daryn Sharp
MAPREDUCE-2598	MR 279: miscellaneous UI, NPE fixes for JobHistory, UI	Minor	mrv2	Siddharth Seth	Siddharth Seth
HDFS-1952	FSEditLog.open() appears to succeed even if all EDITS directories fail	Major	.	Matt Foley	Andrew
MAPREDUCE-2576	Typo in comment in SimulatorLaunchTaskAction.java	Trivial	.	Sherry Chen	Tim Sell
HDFS-1656	getDelegationToken in HftpFileSystem should renew TGT if needed.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-1692	In secure mode, Datanode process doesn’t exit when disks fail.	Major	datanode	Bharath Mundlapudi	Bharath Mundlapudi
HDFS-1734	‘Chunk size to view’ option is not working in Name Node UI.	Major	namenode	Uma Maheswara Rao G	Uma Maheswara Rao G
HADOOP-7402	TestConfiguration doesn’t clean up after itself	Trivial	test	Aaron T. Myers	Aaron T. Myers
MAPREDUCE-2603	Gridmix system tests are failing due to high ram emulation enable by default for normal mr jobs in the trace which exceeds the solt capacity.	Major	contrib/gridmix	Vinay Kumar Thota	Vinay Kumar Thota
MAPREDUCE-2615	MR 279: KillJob should go through AM whenever possible	Major	mrv2	Siddharth Seth	Siddharth Seth
HDFS-2086	If the include hosts list contains host name, after restarting namenode, datanodes registrant is denied	Major	namenode	Tanping Wang	Tanping Wang
HDFS-2092	Create a light inner conf class in DFSClient	Major	hdfs-client	Bharath Mundlapudi	Bharath Mundlapudi
HADOOP-7385	Remove StringUtils.stringifyException(ie) in logger functions	Minor	.	Bharath Mundlapudi	Bharath Mundlapudi
HDFS-2082	SecondaryNameNode web interface doesn’t show the right info	Major	.	Aaron T. Myers	Aaron T. Myers
HDFS-1321	If service port and main port are the same, there is no clear log message explaining the issue.	Minor	namenode	gary murry	Jim Plush
MAPREDUCE-2618	MR-279: 0 map, 0 reduce job fails with Null Pointer Exception	Major	mrv2	Jeffrey Naisbitt	Jeffrey Naisbitt
MAPREDUCE-2625	MR-279: Add Node Manager Version to NM info page	Minor	mrv2	Jonathan Eagles	Jonathan Eagles
HADOOP-7428	IPC connection is orphaned with null ‘out’ member	Major	ipc	Todd Lipcon	Todd Lipcon
HDFS-1955	FSImage.doUpgrade() was made too fault-tolerant by HDFS-1826	Major	namenode	Matt Foley	Matt Foley
HDFS-2011	Removal and restoration of storage directories on checkpointing failure doesn’t work properly	Major	namenode	Ravi Prakash	Ravi Prakash
HDFS-2109	Store uMask as member variable to DFSClient.Conf	Major	hdfs-client	Bharath Mundlapudi	Bharath Mundlapudi
HADOOP-7437	IOUtils.copybytes will suppress the stream closure exceptions.	Major	io	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-1990	Resource leaks in HDFS	Minor	datanode	ramkrishna.s.vasudevan	Uma Maheswara Rao G
HADOOP-7090	Possible resource leaks in hadoop core code	Major	fs/s3, io	Gokul	Uma Maheswara Rao G
HADOOP-7440	HttpServer.getParameterValues throws NPE for missing parameters	Major	.	Todd Lipcon	Todd Lipcon
HADOOP-7442	Docs in core-default.xml still reference deprecated config “topology.script.file.name”	Major	conf, documentation	Aaron T. Myers	Aaron T. Myers
HADOOP-7419	new hadoop-config.sh doesn’t manage classpath for HADOOP_CONF_DIR correctly	Major	.	Todd Lipcon	Bing Zheng
HADOOP-7327	FileSystem.listStatus() throws NullPointerException instead of IOException upon access permission failure	Minor	fs	Matt Foley	Matt Foley
MAPREDUCE-2620	Update RAID for HDFS-2087	Major	contrib/raid	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2034	length in getBlockRange becomes -ve when reading only from currently being written blk	Minor	hdfs-client	John George	John George
MAPREDUCE-2628	MR-279: Add compiled on date to NM and RM info/about page	Minor	mrv2	Jonathan Eagles	Jonathan Eagles
HDFS-2132	Potential resource leak in EditLogFileOutputStream.close	Major	.	Aaron T. Myers	Aaron T. Myers
HADOOP-7324	Ganglia plugins for metrics v2	Blocker	metrics	Luke Lu	Priyo Mustafi
MAPREDUCE-2587	MR279: Fix RM version in the cluster->about page	Minor	.	Thomas Graves	Thomas Graves
MAPREDUCE-2663	MR-279: Refactoring StateMachineFactory inner classes	Minor	mrv2	Ahmed Radwan	Ahmed Radwan
MAPREDUCE-2678	MR-279: minimum-user-limit-percent no longer honored	Major	capacity-sched	Jeffrey Naisbitt	Jeffrey Naisbitt
MAPREDUCE-2630	MR-279: refreshQueues leads to NPEs when used w/FifoScheduler	Minor	mrv2	Josh Wills	Josh Wills
MAPREDUCE-2644	NodeManager fails to create containers when NM_LOG_DIR is not explicitly set in the Configuration	Major	mrv2	Josh Wills	Josh Wills
MAPREDUCE-2670	Fixing spelling mistake in FairSchedulerServlet.java	Trivial	.	Eli Collins	Eli Collins
MAPREDUCE-2365	Add counters for FileInputFormat (BYTES_READ) and FileOutputFormat (BYTES_WRITTEN)	Major	.	Owen O’Malley	Siddharth Seth
HDFS-2153	DFSClientAdapter should be put under test	Minor	test	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7471	the saveVersion.sh script sometimes fails to extract SVN URL	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-2661	MR-279: Accessing MapTaskImpl from TaskImpl	Minor	mrv2	Ahmed Radwan	Ahmed Radwan
MAPREDUCE-2710	Update DFSClient.stringifyToken(..) in JobSubmitter.printTokens(..) for HDFS-2161	Major	client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7111	Several TFile tests failing when native libraries are present	Critical	io	Todd Lipcon	Aaron T. Myers
HDFS-2114	re-commission of a decommissioned node does not delete excess replica	Major	.	John George	John George
MAPREDUCE-2409	Distributed Cache does not differentiate between file /archive for files with the same path	Major	distributed-cache	Siddharth Seth	Siddharth Seth
HDFS-2156	rpm should only require the same major version as common	Major	.	Owen O’Malley	Eric Yang
MAPREDUCE-2575	TestMiniMRDFSCaching fails if test.build.dir is set to something other than build/test	Major	test	Thomas Graves	Thomas Graves
MAPREDUCE-2667	MR279: mapred job -kill leaves application in RUNNING state	Major	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-2732	Some tests using FSNamesystem.LOG cannot be compiled	Major	test	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2463	Job History files are not moving to done folder when job history location is hdfs location	Major	jobtracker	Devaraj K	Devaraj K
MAPREDUCE-2127	mapreduce trunk builds are failing on hudson	Major	build, pipes	Giridharan Kesavan	Bruno Mahé
HADOOP-7356	RPM packages broke bin/hadoop script for hadoop 0.20.205	Blocker	.	Eric Yang	Eric Yang
HDFS-1381	HDFS javadocs hard-code references to dfs.namenode.name.dir and dfs.datanode.data.dir parameters	Major	test	Jakob Homan	Jim Plush
HADOOP-7178	FileSystem should have an option to control the .crc file creations at Local.	Major	fs	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-2740	MultipleOutputs in new API creates needless TaskAttemptContexts	Major	.	Todd Lipcon	Todd Lipcon
HDFS-2053	Bug in INodeDirectory#computeContentSummary warning	Minor	namenode	Michael Noll	Michael Noll
MAPREDUCE-2760	mapreduce.jobtracker.split.metainfo.maxsize typoed in mapred-default.xml	Minor	documentation	Todd Lipcon	Todd Lipcon
MAPREDUCE-2773	[MR-279] server.api.records.NodeHealthStatus renamed but not updated in client NodeHealthStatus.java	Minor	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-2772	MR-279: mrv2 no longer compiles against trunk after common mavenization.	Major	mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2705	tasks localized and launched serially by TaskLauncher - causing other tasks to be delayed	Major	tasktracker	Thomas Graves	Thomas Graves
MAPREDUCE-2776	MR 279: Fix some of the yarn findbug warnings	Major	mrv2	Siddharth Seth	Siddharth Seth
HADOOP-7520	hadoop-main fails to deploy	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7523	Test org.apache.hadoop.fs.TestFilterFileSystem fails due to java.lang.NoSuchMethodException	Blocker	test	John Lee	John Lee
MAPREDUCE-2797	Some java files cannot be compiled	Major	contrib/raid, test	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2689	InvalidStateTransisiton when AM is not assigned to a job	Major	mrv2	Ramya Sunil
MAPREDUCE-2706	MR-279: Submit jobs beyond the max jobs per queue limit no longer gets logged	Major	mrv2	Jeffrey Naisbitt	Jeffrey Naisbitt
MAPREDUCE-2781	mr279 RM application finishtime not set	Minor	mrv2	Thomas Graves	Thomas Graves
HDFS-2245	BlockManager.chooseTarget(..) throws NPE	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2808	pull MAPREDUCE-2797 into mr279 branch	Minor	mrv2	Thomas Graves	Thomas Graves
HADOOP-7499	Add method for doing a sanity check on hostnames in NetUtils	Major	util	Jeffrey Naisbitt	Jeffrey Naisbitt
MAPREDUCE-2489	Jobsplits with random hostnames can make the queue unusable	Major	jobtracker	Jeffrey Naisbitt	Jeffrey Naisbitt
HADOOP-7357	hadoop.io.compress.TestCodec#main() should exit with non-zero exit code if test failed	Trivial	test	Philip Zeyliger	Philip Zeyliger
HDFS-2229	Deadlock in NameNode	Blocker	namenode	Vinod Kumar Vavilapalli	Tsz Wo Nicholas Sze
HADOOP-6622	Token should not print the password in toString.	Major	security	Jitendra Nath Pandey	Eli Collins
HDFS-2235	Encode servlet paths	Major	namenode	Eli Collins	Eli Collins
HDFS-2186	DN volume failures on startup are not counted	Major	datanode	Eli Collins	Eli Collins
HDFS-2240	Possible deadlock between LeaseRenewer and its factory	Critical	hdfs-client	Todd Lipcon	Tsz Wo Nicholas Sze
HADOOP-7529	Possible deadlock in metrics2	Critical	metrics	Todd Lipcon	Luke Lu
HDFS-73	DFSOutputStream does not close all the sockets	Blocker	hdfs-client	Raghu Angadi	Uma Maheswara Rao G
HDFS-1776	Bug in Concat code	Major	.	Dmytro Molkov	Bharath Mundlapudi
MAPREDUCE-2541	Race Condition in IndexCache(readIndexFileToCache,removeMap) causes value of totalMemoryUsed corrupt, which may cause TaskTracker continue throw Exception	Critical	tasktracker	Binglin Chang	Binglin Chang
MAPREDUCE-2839	MR Jobs fail on a secure cluster with viewfs	Major	.	Siddharth Seth	Siddharth Seth
MAPREDUCE-2727	MR-279: SleepJob throws divide by zero exception when count = 0	Major	mrv2	Jeffrey Naisbitt	Jeffrey Naisbitt
HADOOP-7545	common -tests jar should not include properties and configs	Critical	build, test	Todd Lipcon	Todd Lipcon
HADOOP-7536	Correct the dependency version regressions introduced in HADOOP-6671	Major	build	Kihwal Lee	Alejandro Abdelnur
HDFS-1257	Race condition on FSNamesystem#recentInvalidateSets introduced by HADOOP-5124	Major	namenode	Ramkumar Vadali	Eric Payne
MAPREDUCE-2854	update INSTALL with config necessary run mapred on yarn	Major	.	Thomas Graves	Thomas Graves
MAPREDUCE-2860	Fix log4j logging in the maven test cases.	Major	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-2867	Remove Unused TestApplicaitonCleanup in resourcemanager/applicationsmanager.	Major	.	Mahadev konar	Mahadev konar
HADOOP-7566	MR tests are failing webapps/hdfs not found in CLASSPATH	Major	.	Mahadev konar	Alejandro Abdelnur
MAPREDUCE-2649	MR279: Fate of finished Applications on RM	Major	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-2868	ant build broken in hadoop-mapreduce dir	Major	build	Thomas Graves	Mahadev konar
HDFS-2267	DataXceiver thread name incorrect while waiting on op during keepalive	Trivial	datanode	Todd Lipcon	Todd Lipcon
HDFS-1480	All replicas of a block can end up on the same rack when some datanodes are decommissioning.	Major	namenode	T Meyarivan	Todd Lipcon
MAPREDUCE-2859	mapreduce trunk is broken with eclipse plugin contrib	Major	.	Giridharan Kesavan	Giridharan Kesavan
MAPREDUCE-2846	a small % of all tasks fail with DefaultTaskController	Blocker	task, task-controller, tasktracker	Allen Wittenauer	Owen O’Malley
HADOOP-7563	hadoop-config.sh setup CLASSPATH, HADOOP_HDFS_HOME and HADOOP_MAPRED_HOME incorrectly	Major	scripts	Eric Yang	Eric Yang
MAPREDUCE-2877	Add missing Apache license header in some files in MR and also add the rat plugin to the poms.	Major	.	Mahadev konar	Mahadev konar
MAPREDUCE-2879	Change mrv2 version to be 0.23.0-SNAPSHOT	Major	.	Arun C Murthy	Arun C Murthy
MAPREDUCE-2796	[MR-279] Start time for all the apps is set to 0	Major	mrv2	Ramya Sunil	Devaraj K
HADOOP-7578	Fix test-patch to be able to run on MR patches.	Major	.	Mahadev konar	Mahadev konar
MAPREDUCE-517	The capacity-scheduler should assign multiple tasks per heartbeat	Critical	.	Arun C Murthy	Arun C Murthy
MAPREDUCE-2429	Check jvmid during task status report	Major	tasktracker	Arun C Murthy	Siddharth Seth
MAPREDUCE-2881	mapreduce ant compilation fails “java.lang.IllegalStateException: impossible to get artifacts”	Major	build	Giridharan Kesavan	Giridharan Kesavan
MAPREDUCE-2885	mapred-config.sh doesn’t look for $HADOOP_COMMON_HOME/libexec/hadoop-config.sh	Blocker	.	Arun C Murthy	Arun C Murthy
MAPREDUCE-2550	bin/mapred no longer works from a source checkout	Blocker	build	Eric Yang	Eric Yang
HDFS-2289	jsvc isn’t part of the artifact	Blocker	.	Arun C Murthy	Alejandro Abdelnur
HADOOP-7589	Prefer mvn test -DskipTests over mvn compile in test-patch.sh	Major	build	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2904	HDFS jars added incorrectly to yarn classpath	Major	.	Sharad Agarwal	Sharad Agarwal
MAPREDUCE-2737	Update the progress of jobs on client side	Major	mrv2	Ramya Sunil	Siddharth Seth
MAPREDUCE-2886	Fix Javadoc warnings in MapReduce.	Critical	mrv2	Mahadev konar	Mahadev konar
HADOOP-7576	Fix findbugs warnings in Hadoop Auth (Alfredo)	Major	security	Tom White	Tsz Wo Nicholas Sze
HADOOP-7593	AssertionError in TestHttpServer.testMaxThreads()	Major	test	Tsz Wo Nicholas Sze	Uma Maheswara Rao G
MAPREDUCE-2916	Ivy build for MRv1 fails with bad organization for common daemon.	Major	.	Mahadev konar	Mahadev konar
MAPREDUCE-2652	MR-279: Cannot run multiple NMs on a single node	Major	mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2756	JobControl can drop jobs if an error occurs	Minor	client, mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2735	MR279: finished applications should be added to an application summary log	Major	mrv2	Thomas Graves	Thomas Graves
HDFS-2258	TestLeaseRecovery2 fails as lease hard limit is not reset to default	Major	namenode, test	Konstantin Shvachko	Konstantin Shvachko
HADOOP-7604	Hadoop Auth examples pom in 0.23 point to 0.24 versions.	Critical	.	Mahadev konar	Mahadev konar
HADOOP-7606	Upgrade Jackson to version 1.7.1 to match the version required by Jersey	Major	test	Aaron T. Myers	Alejandro Abdelnur
MAPREDUCE-2716	MR279: MRReliabilityTest job fails because of missing job-file.	Major	mrv2	Jeffrey Naisbitt	Jeffrey Naisbitt
MAPREDUCE-2697	Enhance CS to cap concurrently running jobs	Major	mrv2	Arun C Murthy	Arun C Murthy
HADOOP-7580	Add a version of getLocalPathForWrite to LocalDirAllocator which doesn’t create dirs	Major	.	Siddharth Seth	Siddharth Seth
HDFS-2314	MRV1 test compilation broken after HDFS-2197	Major	test	Vinod Kumar Vavilapalli	Todd Lipcon
MAPREDUCE-2687	Non superusers unable to launch apps in both secure and non-secure cluster	Blocker	mrv2	Ramya Sunil	Mahadev konar
MAPREDUCE-2767	Remove Linux task-controller from 0.22 branch	Blocker	security	Milind Bhandarkar	Milind Bhandarkar
MAPREDUCE-2917	Corner case in container reservations	Major	mrv2, resourcemanager	Arun C Murthy	Arun C Murthy
MAPREDUCE-2800	clockSplits, cpuUsages, vMemKbytes, physMemKbytes is set to -1 in jhist files	Major	mrv2	Ramya Sunil	Siddharth Seth
MAPREDUCE-2774	[MR-279] Add a startup msg while starting RM/NM	Minor	mrv2	Ramya Sunil	Venu Gopala Rao
MAPREDUCE-2882	TestLineRecordReader depends on ant jars	Minor	test	Todd Lipcon	Todd Lipcon
MAPREDUCE-2655	MR279: Audit logs for YARN	Major	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-2938	Missing log stmt for app submission fail CS	Trivial	mrv2, scheduler	Arun C Murthy	Arun C Murthy
MAPREDUCE-2948	Hadoop streaming test failure, post MR-2767	Major	contrib/streaming	Milind Bhandarkar	Mahadev konar
HDFS-2232	TestHDFSCLI fails on 0.22 branch	Blocker	test	Konstantin Shvachko	Plamen Jeliazkov
MAPREDUCE-2908	Fix findbugs warnings in Map Reduce.	Critical	mrv2	Mahadev konar	Vinod Kumar Vavilapalli
MAPREDUCE-2947	Sort fails on YARN+MR with lots of task failures	Major	mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-2844	[MR-279] Incorrect node ID info	Trivial	mrv2	Ramya Sunil	Ravi Teja Ch N V
MAPREDUCE-2677	MR-279: 404 error while accessing pages from history server	Major	mrv2	Ramya Sunil	Robert Joseph Evans
HADOOP-7598	smart-apply-patch.sh does not handle patching from a sub directory correctly.	Major	build	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2690	Construct the web page for default scheduler	Major	mrv2	Ramya Sunil	Eric Payne
MAPREDUCE-2937	Errors in Application failures are not shown in the client trace.	Critical	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-2953	JobClient fails due to a race in RM, removes staged files and in turn crashes MR AM	Major	mrv2, resourcemanager	Vinod Kumar Vavilapalli	Thomas Graves
MAPREDUCE-2958	mapred-default.xml not merged from mr279	Critical	mrv2	Thomas Graves	Arun C Murthy
MAPREDUCE-2963	TestMRJobs hangs waiting to connect to history server.	Critical	.	Mahadev konar	Siddharth Seth
MAPREDUCE-2711	TestBlockPlacementPolicyRaid cannot be compiled	Major	contrib/raid	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2954	Deadlock in NM with threads racing for ApplicationAttemptId	Critical	mrv2	Vinod Kumar Vavilapalli	Siddharth Seth
MAPREDUCE-2975	ResourceManager Delegate is not getting initialized with yarn-site.xml as default configuration.	Blocker	.	Mahadev konar	Mahadev konar
MAPREDUCE-2971	ant build mapreduce fails protected access jc.displayJobList(jobs);	Blocker	mrv2	Thomas Graves	Thomas Graves
HADOOP-7610	/etc/profile.d does not exist on Debian	Major	scripts	Eric Yang	Eric Yang
MAPREDUCE-2749	[MR-279] NM registers with RM even before it starts various servers	Major	mrv2	Vinod Kumar Vavilapalli	Thomas Graves
MAPREDUCE-2979	Remove ClientProtocolProvider configuration under mapreduce-client-core	Major	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-2936	Contrib Raid compilation broken after HDFS-1620	Major	.	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HADOOP-7568	SequenceFile should not print into stdout	Major	io	Konstantin Shvachko	Plamen Jeliazkov
MAPREDUCE-2985	findbugs error in ResourceLocalizationService.handle(LocalizationEvent)	Major	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-2874	ApplicationId printed in 2 different formats and has 2 different toString routines that are used	Major	mrv2	Thomas Graves	Eric Payne
HADOOP-7599	Improve hadoop setup conf script to setup secure Hadoop cluster	Major	scripts	Eric Yang	Eric Yang
HADOOP-7626	Allow overwrite of HADOOP_CLASSPATH and HADOOP_OPTS	Major	scripts	Eric Yang	Eric Yang
HDFS-2323	start-dfs.sh script fails for tarball install	Major	.	Tom White	Tom White
MAPREDUCE-2995	MR AM crashes when a container-launch hangs on a faulty NM	Major	mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-2997	MR task fails before launch itself with an NPE in ContainerLauncher	Major	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HADOOP-7629	regression with MAPREDUCE-2289 - setPermission passed immutable FsPermission (rpc failure)	Major	.	Patrick Hunt	Todd Lipcon
MAPREDUCE-2949	NodeManager in a inconsistent state if a service startup fails.	Major	mrv2, nodemanager	Ravi Teja Ch N V	Ravi Teja Ch N V
MAPREDUCE-3005	MR app hangs because of a NPE in ResourceManager	Major	mrv2	Vinod Kumar Vavilapalli	Arun C Murthy
MAPREDUCE-2991	queueinfo.jsp fails to show queue status if any Capacity scheduler queue name has dash/hiphen in it.	Major	scheduler	Priyo Mustafi	Priyo Mustafi
HDFS-2331	Hdfs compilation fails	Major	hdfs-client	Abhijit Suresh Shingate	Abhijit Suresh Shingate
HDFS-2333	HDFS-2284 introduced 2 findbugs warnings on trunk	Major	.	Ivan Kelly	Tsz Wo Nicholas Sze
MAPREDUCE-2994	Parse Error is coming for App ID when we click application link on the RM UI	Major	mrv2, resourcemanager	Devaraj K	Devaraj K
HADOOP-7608	SnappyCodec check for Hadoop native lib is wrong	Major	io	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7637	Fair scheduler configuration file is not bundled in RPM	Major	build	Eric Yang	Eric Yang
MAPREDUCE-2987	RM UI display logged in user as null	Major	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-1788	o.a.h.mapreduce.Job shouldn’t make a copy of the JobConf	Major	client	Arun C Murthy	Arun C Murthy
HADOOP-7631	In mapred-site.xml, stream.tmpdir is mapped to ${mapred.temp.dir} which is undeclared.	Major	conf	Ramya Sunil	Eric Yang
MAPREDUCE-3006	MapReduce AM exits prematurely before completely writing and closing the JobHistory file	Major	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-2965	Streamline hashCode(), equals(), compareTo() and toString() for all IDs	Blocker	mrv2	Vinod Kumar Vavilapalli	Siddharth Seth
MAPREDUCE-2925	job -status <JOB_ID> is giving continuously info message for completed jobs on the console	Major	mrv2	Devaraj K	Devaraj K
MAPREDUCE-3030	RM is not processing heartbeat and continuously giving the message ‘Node not found rebooting’	Blocker	mrv2, resourcemanager	Devaraj K	Devaraj K
MAPREDUCE-3042	YARN RM fails to start	Major	mrv2, resourcemanager	Chris Riccomini	Chris Riccomini
MAPREDUCE-3038	job history server not starting because conf() missing HsController	Blocker	mrv2	Thomas Graves	Jeffrey Naisbitt
MAPREDUCE-3004	sort example fails in shuffle/reduce stage as it assumes a local job by default	Minor	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3017	The Web UI shows FINISHED for killed/successful/failed jobs.	Blocker	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3040	TestMRJobs, TestMRJobsWithHistoryService, TestMROldApiJobs fail	Major	mrv2	Thomas Graves	Arun C Murthy
HDFS-2347	checkpointTxnCount’s comment still saying about editlog size	Trivial	namenode	Uma Maheswara Rao G	Uma Maheswara Rao G
HADOOP-7639	yarn ui not properly filtered in HttpServer	Major	.	Thomas Graves	Thomas Graves
HDFS-2344	Fix the TestOfflineEditsViewer test failure in 0.23 branch	Major	test	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-2763	IllegalArgumentException while using the dist cache	Major	mrv2	Ramya Sunil
HADOOP-7630	hadoop-metrics2.properties should have a property *.period set to a default value foe metrics	Major	conf	Arpit Gupta	Eric Yang
HADOOP-7633	log4j.properties should be added to the hadoop conf on deploy	Major	conf	Arpit Gupta	Eric Yang
MAPREDUCE-3018	Streaming jobs with -file option fail to run.	Blocker	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3036	Some of the Resource Manager memory metrics go negative.	Blocker	mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2998	Failing to contact Am/History for jobs: java.io.EOFException in DataInputStream	Critical	mrv2	Jeffrey Naisbitt	Vinod Kumar Vavilapalli
MAPREDUCE-3023	Queue state is not being translated properly (is always assumed to be running)	Major	mrv2	Ravi Prakash	Ravi Prakash
MAPREDUCE-2970	Null Pointer Exception while submitting a Job, If mapreduce.framework.name property is not set.	Major	job submission, mrv2	Venu Gopala Rao	Venu Gopala Rao
HADOOP-7575	Support fully qualified paths as part of LocalDirAllocator	Minor	fs	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3062	YARN NM/RM fail to start	Major	mrv2, nodemanager, resourcemanager	Chris Riccomini	Chris Riccomini
MAPREDUCE-3066	YARN NM fails to start	Major	mrv2, nodemanager	Chris Riccomini	Chris Riccomini
MAPREDUCE-3044	Pipes jobs stuck without making progress	Blocker	mrv2	Ramya Sunil	Mahadev konar
MAPREDUCE-3048	Fix test-patch to run tests via “mvn clean install test”	Major	build	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-2754	MR-279: AM logs are incorrectly going to stderr and error messages going incorrectly to stdout	Blocker	mrv2	Ramya Sunil	Ravi Teja Ch N V
MAPREDUCE-3073	Build failure for MRv1 caused due to changes to MRConstants.	Blocker	.	Mahadev konar	Mahadev konar
HADOOP-7671	Add license headers to hadoop-common/src/main/packages/templates/conf/	Major	.	Ravi Prakash	Ravi Prakash
MAPREDUCE-3055	Simplify parameter passing to Application Master from Client. SImplify approach to pass info such appId, ClusterTimestamp and failcount required by App Master.	Minor	mrv2	Hitesh Shah	Vinod Kumar Vavilapalli
HDFS-2290	Block with corrupt replica is not getting replicated	Major	namenode	Konstantin Shvachko	Benoy Antony
HADOOP-7663	TestHDFSTrash failing on 22	Major	test	Mayank Bansal	Mayank Bansal
MAPREDUCE-3053	YARN Protobuf RPC Failures in RM	Major	mrv2, resourcemanager	Chris Riccomini	Vinod Kumar Vavilapalli
MAPREDUCE-2952	Application failure diagnostics are not consumed in a couple of cases	Blocker	mrv2, resourcemanager	Vinod Kumar Vavilapalli	Arun C Murthy
MAPREDUCE-2646	MR-279: AM with same sized maps and reduces hangs in presence of failing maps	Critical	applicationmaster, mrv2	Sharad Agarwal	Sharad Agarwal
MAPREDUCE-3031	Job Client goes into infinite loop when we kill AM	Blocker	mrv2	Karam Singh	Siddharth Seth
MAPREDUCE-2984	Throwing NullPointerException when we open the container page	Minor	mrv2, nodemanager	Devaraj K	Devaraj K
MAPREDUCE-3071	app master configuration web UI link under the Job menu opens up application menu	Major	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3067	Container exit status not set properly to launched process’s exit code on successful completion of process	Blocker	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3092	Remove JOB_ID_COMPARATOR usage in JobHistory.java	Minor	mrv2	Devaraj K	Devaraj K
MAPREDUCE-2999	hadoop.http.filter.initializers not working properly on yarn UI	Critical	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3081	Change the name format for hadoop core and vaidya jar to be hadoop-{core/vaidya}-{version}.jar in vaidya.sh	Major	contrib/vaidya	vitthal (Suhas) Gogate
MAPREDUCE-3095	fairscheduler ivy including wrong version for hdfs	Major	mrv2	John George	John George
MAPREDUCE-3054	Unable to kill submitted jobs	Blocker	mrv2	Siddharth Seth	Mahadev konar
MAPREDUCE-3021	all yarn webapps use same base name of “yarn/”	Major	mrv2	Thomas Graves	Thomas Graves
HDFS-2368	defaults created for web keytab and principal, these properties should not have defaults	Major	.	Arpit Gupta	Tsz Wo Nicholas Sze
HDFS-2361	hftp is broken	Critical	namenode	Rajit Saha	Jitendra Nath Pandey
MAPREDUCE-2843	[MR-279] Node entries on the RM UI are not sortable	Major	mrv2	Ramya Sunil	Abhijit Suresh Shingate
MAPREDUCE-3110	TestRPC.testUnknownCall() is failing	Major	mrv2, test	Devaraj K	Vinod Kumar Vavilapalli
MAPREDUCE-3078	Application’s progress isn’t updated from AM to RM.	Blocker	applicationmaster, mrv2, resourcemanager	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HADOOP-7662	logs servlet should use pathspec of /*	Major	.	Thomas Graves	Thomas Graves
MAPREDUCE-3114	Invalid ApplicationMaster URL in Applications Page	Major	mrv2	Subroto Sanyal	Subroto Sanyal
MAPREDUCE-3064	27 unit test failures with Invalid “mapreduce.jobtracker.address” configuration value for JobTracker: “local”	Blocker	.	Thomas Graves	Venu Gopala Rao
MAPREDUCE-2791	[MR-279] Missing/incorrect info on job -status CLI	Blocker	mrv2	Ramya Sunil	Devaraj K
MAPREDUCE-2996	Log uberized information into JobHistory and use the same via CompletedJob	Blocker	jobhistoryserver, mrv2	Vinod Kumar Vavilapalli	Jonathan Eagles
MAPREDUCE-2779	JobSplitWriter.java can’t handle large job.split file	Major	job submission	Ming Ma	Ming Ma
MAPREDUCE-3050	YarnScheduler needs to expose Resource Usage Information	Blocker	mrv2, resourcemanager	Robert Joseph Evans	Robert Joseph Evans
HADOOP-7691	hadoop deb pkg should take a diff group id	Major	.	Giridharan Kesavan	Eric Yang
HADOOP-7603	Set default hdfs, mapred uid, and hadoop group gid for RPM packages	Major	.	Eric Yang	Eric Yang
HADOOP-7658	to fix hadoop config template	Major	.	Giridharan Kesavan	Eric Yang
MAPREDUCE-3138	Allow for applications to deal with MAPREDUCE-954	Blocker	client, mrv2	Arun C Murthy	Owen O’Malley
HADOOP-7684	jobhistory server and secondarynamenode should have init.d script	Major	scripts	Eric Yang	Eric Yang
MAPREDUCE-3112	Calling hadoop cli inside mapreduce job leads to errors	Major	contrib/streaming	Eric Yang	Eric Yang
HADOOP-7715	see log4j Error when running mr jobs and certain dfs calls	Major	conf	Arpit Gupta	Eric Yang
MAPREDUCE-3056	Jobs are failing when those are submitted by other users	Blocker	applicationmaster, mrv2	Devaraj K	Devaraj K
HADOOP-7711	hadoop-env.sh generated from templates has duplicate info	Major	conf	Arpit Gupta	Arpit Gupta
HADOOP-7681	log4j.properties is missing properties for security audit and hdfs audit should be changed to info	Minor	conf	Arpit Gupta	Arpit Gupta
HADOOP-7708	config generator does not update the properties file if on exists already	Critical	conf	Arpit Gupta	Eric Yang
MAPREDUCE-2531	org.apache.hadoop.mapred.jobcontrol.getAssignedJobID throw class cast exception	Blocker	client	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-2907	ResourceManager logs filled with [INFO] debug messages from org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue	Major	mrv2, resourcemanager	Ravi Prakash	Ravi Prakash
MAPREDUCE-2738	Missing cluster level stats on the RM UI	Blocker	mrv2	Ramya Sunil	Robert Joseph Evans
MAPREDUCE-2913	TestMRJobs.testFailingMapper does not assert the correct thing.	Critical	mrv2, test	Robert Joseph Evans	Jonathan Eagles
HDFS-2409	_HOST in dfs.web.authentication.kerberos.principal.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-7721	dfs.web.authentication.kerberos.principal expects the full hostname and does not replace _HOST with the hostname	Major	.	Arpit Gupta	Jitendra Nath Pandey
HADOOP-7724	hadoop-setup-conf.sh should put proxy user info into the core-site.xml	Major	.	Giridharan Kesavan	Arpit Gupta
MAPREDUCE-2794	[MR-279] Incorrect metrics value for AvailableGB per queue per user	Blocker	mrv2	Ramya Sunil	John George
MAPREDUCE-2783	mr279 job history handling after killing application	Critical	mrv2	Thomas Graves	Eric Payne
MAPREDUCE-2751	[MR-279] Lot of local files left on NM after the app finish.	Blocker	mrv2	Vinod Kumar Vavilapalli	Siddharth Seth
HDFS-2322	the build fails in Windows because commons-daemon TAR cannot be fetched	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HDFS-2412	Add backwards-compatibility layer for FSConstants	Blocker	.	Todd Lipcon	Todd Lipcon
HDFS-2414	TestDFSRollback fails intermittently	Critical	namenode, test	Robert Joseph Evans	Todd Lipcon
MAPREDUCE-2876	ContainerAllocationExpirer appears to use the incorrect configs	Critical	mrv2	Robert Joseph Evans	Anupam Seth
MAPREDUCE-3153	TestFileOutputCommitter.testFailAbort() is failing on trunk on Jenkins	Major	mrv2, test	Vinod Kumar Vavilapalli	Mahadev konar
MAPREDUCE-3123	Symbolic links with special chars causing container/task.sh to fail	Blocker	mrv2	Thomas Graves	Hitesh Shah
MAPREDUCE-3033	JobClient requires mapreduce.jobtracker.address config even when mapreduce.framework.name is set to yarn	Blocker	job submission, mrv2	Karam Singh	Hitesh Shah
MAPREDUCE-3158	Fix trunk build failures	Major	mrv2	Hitesh Shah	Hitesh Shah
HDFS-2422	The NN should tolerate the same number of low-resource volumes as failed volumes	Major	namenode	Jeff Bean	Aaron T. Myers
MAPREDUCE-3167	container-executor is not being packaged with the assembly target.	Minor	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3020	Node link in reduce task attempt page is not working [Job History Page]	Major	jobhistoryserver	chackaravarthy	chackaravarthy
MAPREDUCE-2668	MR-279: APPLICATION_STOP is never sent to AuxServices	Blocker	mrv2	Robert Joseph Evans	Thomas Graves
MAPREDUCE-3126	mr job stuck because reducers using all slots and mapper isn’t scheduled	Blocker	mrv2	Thomas Graves	Arun C Murthy
MAPREDUCE-3140	Invalid JobHistory URL for failed applications	Major	mrv2	Bhallamudi Venkata Siva Kamesh	Subroto Sanyal
MAPREDUCE-3125	app master web UI shows reduce task progress 100% even though reducers not complete and state running/scheduled	Critical	mrv2	Thomas Graves	Hitesh Shah
MAPREDUCE-3157	Rumen TraceBuilder is skipping analyzing 0.20 history files	Major	tools/rumen	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-3166	Make Rumen use job history api instead of relying on current history file name format	Major	tools/rumen	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-2789	[MR:279] Update the scheduling info on CLI	Major	mrv2	Ramya Sunil	Eric Payne
HADOOP-7745	I switched variable names in HADOOP-7509	Major	.	Ravi Prakash	Ravi Prakash
MAPREDUCE-3183	hadoop-assemblies/src/main/resources/assemblies/hadoop-mapreduce-dist.xml missing license header	Trivial	build	Hitesh Shah	Hitesh Shah
MAPREDUCE-3170	Trunk nightly commit builds are failing.	Critical	build, mrv1, mrv2	Mahadev konar	Hitesh Shah
MAPREDUCE-3124	mapper failed with failed to load native libs	Blocker	mrv2	Thomas Graves	John George
MAPREDUCE-2764	Fix renewal of dfs delegation tokens	Major	.	Daryn Sharp	Owen O’Malley
MAPREDUCE-3059	QueueMetrics do not have metrics for aggregate containers-allocated and aggregate containers-released	Blocker	mrv2	Karam Singh	Devaraj K
MAPREDUCE-3057	Job History Server goes of OutOfMemory with 1200 Jobs and Heap Size set to 10 GB	Blocker	jobhistoryserver, mrv2	Karam Singh	Eric Payne
MAPREDUCE-3192	Fix Javadoc warning in JobClient.java and Cluster.java	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-2840	mr279 TestUberAM.testSleepJob test fails	Minor	mrv2	Thomas Graves	Jonathan Eagles
MAPREDUCE-3032	JobHistory doesn’t have error information from failed tasks	Blocker	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Devaraj K
MAPREDUCE-3196	TestLinuxContainerExecutorWithMocks fails on Mac OSX	Major	mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-3068	Should set MALLOC_ARENA_MAX for all YARN daemons and AMs/Containers	Blocker	mrv2	Vinod Kumar Vavilapalli	Chris Riccomini
MAPREDUCE-3197	TestMRClientService failing on building clean checkout of branch 0.23	Major	mrv2	Anupam Seth	Mahadev konar
MAPREDUCE-2762	[MR-279] - Cleanup staging dir after job completion	Blocker	mrv2	Ramya Sunil	Mahadev konar
MAPREDUCE-3165	Ensure logging option is set on child command line	Blocker	applicationmaster, mrv2	Arun C Murthy	Todd Lipcon
HDFS-2467	HftpFileSystem uses incorrect compare for finding delegation tokens	Major	.	Owen O’Malley	Owen O’Malley
MAPREDUCE-3203	Fix some javac warnings in MRAppMaster.	Major	mrv2	Mahadev konar	Mahadev konar
HADOOP-7755	Detect MapReduce PreCommit Trunk builds silently failing when running test-patch.sh	Blocker	build	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3003	Publish MR JARs to Maven snapshot repository	Major	build	Tom White	Alejandro Abdelnur
MAPREDUCE-3176	ant mapreduce tests are timing out	Blocker	mrv2, test	Ravi Prakash	Hitesh Shah
MAPREDUCE-3199	TestJobMonitorAndPrint is broken on trunk	Major	mrv2, test	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3181	Terasort fails with Kerberos exception on secure cluster	Blocker	mrv2	Anupam Seth	Arun C Murthy
MAPREDUCE-2788	Normalize requests in FifoScheduler.allocate to prevent NPEs later	Major	mrv2	Ahmed Radwan	Ahmed Radwan
MAPREDUCE-2693	NPE in AM causes it to lose containers which are never returned back to RM	Critical	mrv2	Amol Kekre	Hitesh Shah
MAPREDUCE-3208	NPE while flushing TaskLogAppender	Minor	mrv2	liangzhaowang	liangzhaowang
MAPREDUCE-3212	Message displays while executing yarn command should be proper	Minor	mrv2	Bhallamudi Venkata Siva Kamesh	Bhallamudi Venkata Siva Kamesh
HADOOP-7744	Incorrect exit code for hadoop-core-test tests when exception thrown	Major	test	Jonathan Eagles	Jonathan Eagles
HDFS-2445	Incorrect exit code for hadoop-hdfs-test tests when exception thrown	Major	test	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3179	Incorrect exit code for hadoop-mapreduce-test tests when exception thrown	Major	mrv2, test	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3188	Lots of errors in logs when daemon startup fails	Major	mrv2	Todd Lipcon	Todd Lipcon
MAPREDUCE-3204	mvn site:site fails on MapReduce	Major	build	Suresh Srinivas	Alejandro Abdelnur
MAPREDUCE-3226	Few reduce tasks hanging in a gridmix-run	Blocker	mrv2, task	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HDFS-2452	OutOfMemoryError in DataXceiverServer takes down the DataNode	Major	datanode	Konstantin Shvachko	Uma Maheswara Rao G
MAPREDUCE-3163	JobClient spews errors when killing MR2 job	Blocker	job submission, mrv2	Todd Lipcon	Mahadev konar
MAPREDUCE-3070	NM not able to register with RM after NM restart	Blocker	mrv2, nodemanager	Ravi Teja Ch N V	Devaraj K
MAPREDUCE-3242	Trunk compilation broken with bad interaction from MAPREDUCE-3070 and MAPREDUCE-3239.	Major	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3058	Sometimes task keeps on running while its Syslog says that it is shutdown	Critical	contrib/gridmix, mrv2	Karam Singh	Vinod Kumar Vavilapalli
MAPREDUCE-3087	CLASSPATH not the same after MAPREDUCE-2880	Critical	mrv2	Ravi Prakash	Ravi Prakash
HDFS-2491	TestBalancer can fail when datanode utilization and avgUtilization is exactly same.	Major	.	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-3028	Support job end notification in .next /0.23	Blocker	mrv2	Mohammad Kamrul Islam	Ravi Prakash
MAPREDUCE-3252	MR2: Map tasks rewrite data once even if output fits in sort buffer	Critical	mrv2, task	Todd Lipcon	Todd Lipcon
MAPREDUCE-3248	Log4j logs from unit tests are lost	Blocker	test	Arun C Murthy	Vinod Kumar Vavilapalli
MAPREDUCE-3159	DefaultContainerExecutor removes appcache dir on every localization	Blocker	mrv2	Todd Lipcon	Todd Lipcon
MAPREDUCE-2821	[MR-279] Missing fields in job summary logs	Blocker	mrv2	Ramya Sunil	Mahadev konar
MAPREDUCE-3261	AM unable to release containers	Major	applicationmaster	Chris Riccomini
MAPREDUCE-3253	ContextFactory throw NoSuchFieldException	Blocker	mrv2	Daniel Dai	Arun C Murthy
MAPREDUCE-3263	compile-mapred-test target fails	Blocker	build, mrv2	Ramya Sunil	Hitesh Shah
MAPREDUCE-3269	Jobsummary logs not being moved to a separate file	Blocker	mrv2	Ramya Sunil	Mahadev konar
HADOOP-7764	Allow both ACL list and global path spec filters to HttpServer	Blocker	.	Jonathan Eagles	Jonathan Eagles
HADOOP-7766	The auth to local mappings are not being respected, with webhdfs and security enabled.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-2411	with webhdfs enabled in secure mode the auth to local mappings are not being respected.	Major	webhdfs	Arpit Gupta	Jitendra Nath Pandey
HDFS-1869	mkdirs should use the supplied permission for all of the created directories	Major	namenode	Daryn Sharp	Daryn Sharp
HADOOP-7768	PreCommit-HADOOP-Build is failing on hadoop-auth-examples	Blocker	build	Jonathan Eagles	Tom White
MAPREDUCE-3254	Streaming jobs failing with PipeMapRunner ClassNotFoundException	Blocker	contrib/streaming, mrv2	Ramya Sunil	Arun C Murthy
MAPREDUCE-3264	mapreduce.job.user.name needs to be set automatically	Blocker	mrv2	Todd Lipcon	Arun C Murthy
MAPREDUCE-3279	TestJobHistoryParsing broken	Major	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3259	ContainerLocalizer should get the proper java.library.path from LinuxContainerExecutor	Blocker	mrv2, nodemanager	Kihwal Lee	Kihwal Lee
MAPREDUCE-3240	NM should send a SIGKILL for completed containers also	Blocker	mrv2, nodemanager	Vinod Kumar Vavilapalli	Hitesh Shah
MAPREDUCE-3228	MR AM hangs when one node goes bad	Blocker	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3281	TestLinuxContainerExecutorWithMocks failing on trunk.	Blocker	test	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HADOOP-7728	hadoop-setup-conf.sh should be modified to enable task memory manager	Major	conf	Ramya Sunil	Ramya Sunil
MAPREDUCE-3284	bin/mapred queue fails with JobQueueClient ClassNotFoundException	Major	mrv2	Ramya Sunil	Arun C Murthy
HADOOP-7778	FindBugs warning in Token.getKind()	Major	.	Tom White	Tom White
MAPREDUCE-3282	bin/mapred job -list throws exception	Critical	mrv2	Ramya Sunil	Arun C Murthy
MAPREDUCE-3186	User jobs are getting hanged if the Resource manager process goes down and comes up while job is getting executed.	Blocker	mrv2	Ramgopal N	Eric Payne
MAPREDUCE-3285	Tests on branch-0.23 failing	Blocker	mrv2	Arun C Murthy	Siddharth Seth
MAPREDUCE-3209	Jenkins reports 160 FindBugs warnings	Major	build, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3288	Mapreduce 23 builds failing	Blocker	mrv2	Ramya Sunil	Mahadev konar
MAPREDUCE-3258	Job counters missing from AM and history UI	Blocker	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3290	list-active-trackers throws NPE	Major	mrv2	Ramya Sunil	Arun C Murthy
MAPREDUCE-3185	RM Web UI does not sort the columns in some cases.	Critical	mrv2	Mahadev konar	Jonathan Eagles
MAPREDUCE-3292	In secure mode job submission fails with Provider org.apache.hadoop.mapreduce.security.token.JobTokenIndentifier$Renewer not found.	Critical	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3296	Pending(9) findBugs warnings	Major	build	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HADOOP-7740	security audit logger is not on by default, fix the log4j properties to enable the logger	Minor	conf	Arpit Gupta	Arpit Gupta
MAPREDUCE-2775	[MR-279] Decommissioned node does not shutdown	Blocker	mrv2	Ramya Sunil	Devaraj K
MAPREDUCE-3304	TestRMContainerAllocator#testBlackListedNodes fails intermittently	Major	mrv2, test	Ravi Prakash	Ravi Prakash
MAPREDUCE-3306	Cannot run apps after MAPREDUCE-2989	Blocker	mrv2, nodemanager	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3295	TestAMAuthorization failing on branch 0.23.	Critical	.	Mahadev konar
HADOOP-7770	ViewFS getFileChecksum throws FileNotFoundException for files in /tmp and /user	Blocker	viewfs	Ravi Prakash	Ravi Prakash
HDFS-2436	FSNamesystem.setTimes(..) expects the path is a file.	Major	.	Arpit Gupta	Uma Maheswara Rao G
MAPREDUCE-3274	Race condition in MR App Master Preemtion can cause a dead lock	Blocker	applicationmaster, mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-3313	TestResourceTrackerService failing in trunk some times	Blocker	mrv2, test	Ravi Gummadi	Hitesh Shah
MAPREDUCE-3198	Change mode for hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/mock-container-executor to 755	Trivial	mrv2	Hitesh Shah	Arun C Murthy
MAPREDUCE-3262	A few events are not handled by the NodeManager in failure scenarios	Critical	mrv2, nodemanager	Hitesh Shah	Hitesh Shah
MAPREDUCE-3241	(Rumen)TraceBuilder throws IllegalArgumentException	Major	.	Devaraj K	Amar Kamat
MAPREDUCE-3035	MR V2 jobhistory does not contain rack information	Critical	mrv2	Karam Singh	chackaravarthy
HDFS-2065	Fix NPE in DFSClient.getFileChecksum	Major	.	Bharath Mundlapudi	Uma Maheswara Rao G
MAPREDUCE-3321	Disable some failing legacy tests for MRv2 builds to go through	Minor	mrv2	Hitesh Shah	Hitesh Shah
HADOOP-7771	NPE when running hdfs dfs -copyToLocal, -get etc	Blocker	.	John George	John George
MAPREDUCE-3316	Rebooted link is not working properly	Major	resourcemanager	Bhallamudi Venkata Siva Kamesh	Bhallamudi Venkata Siva Kamesh
MAPREDUCE-3317	Rumen TraceBuilder is emiting null as hostname	Major	tools/rumen	Ravi Gummadi	Ravi Gummadi
HADOOP-7782	Aggregate project javadocs	Critical	build	Arun C Murthy	Tom White
HDFS-2002	Incorrect computation of needed blocks in getTurnOffTip()	Major	namenode	Konstantin Shvachko	Plamen Jeliazkov
MAPREDUCE-3332	contrib/raid compile breaks due to changes in hdfs/protocol/datatransfer/Sender#writeBlock related to checksum handling	Trivial	contrib/raid	Hitesh Shah	Hitesh Shah
MAPREDUCE-3143	Complete aggregation of user-logs spit out by containers onto DFS	Major	mrv2, nodemanager	Vinod Kumar Vavilapalli
HADOOP-7798	Release artifacts need to be signed for Nexus	Blocker	build	Arun C Murthy	Doug Cutting
HADOOP-7797	Fix the repository name to support pushing to the staging area of Nexus	Major	build	Owen O’Malley	Owen O’Malley
MAPREDUCE-3337	Missing license headers for some files	Blocker	mrv2	Arun C Murthy	Arun C Murthy
HDFS-1943	fail to start datanode while start-dfs.sh is executed by root user	Blocker	scripts	Wei Yongjun	Matt Foley
HDFS-2346	TestHost2NodesMap & TestReplicasMap will fail depending upon execution order of test methods	Blocker	test	Uma Maheswara Rao G	Laxman
HADOOP-7176	Redesign FsShell	Major	.	Daryn Sharp	Daryn Sharp
HADOOP-9128	MetricsDynamicMBeanBase can cause high cpu load	Major	metrics	Nate Putnam
HADOOP-8389	MetricsDynamicMBeanBase throws IllegalArgumentException for empty attribute list	Major	metrics	Elias Ross
MAPREDUCE-1506	Assertion failure in TestTaskTrackerMemoryManager	Major	tasktracker	Aaron Kimball

TESTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-1927	unit test for HADOOP-6835 (concatenated gzip support)	Minor	test	Greg Roelofs	Greg Roelofs
MAPREDUCE-2331	Add coverage of task graph servlet to fair scheduler system test	Major	.	Todd Lipcon	Todd Lipcon
HDFS-780	Revive TestFuseDFS	Major	fuse-dfs	Eli Collins	Eli Collins
HDFS-1770	TestFiRename fails due to invalid block size	Minor	.	Eli Collins	Eli Collins
MAPREDUCE-2426	Make TestFairSchedulerSystem fail with more verbose output	Trivial	contrib/fair-share	Todd Lipcon	Todd Lipcon
HDFS-1844	Move -fs usage tests from hdfs into common	Major	test	Daryn Sharp	Daryn Sharp
HADOOP-7230	Move -fs usage tests from hdfs into common	Major	test	Daryn Sharp	Daryn Sharp
HDFS-1855	TestDatanodeBlockScanner.testBlockCorruptionRecoveryPolicy() part 2 fails in two different ways	Major	test	Matt Foley	Matt Foley
HDFS-1862	Improve test reliability of HDFS-1594	Major	test	Aaron T. Myers	Aaron T. Myers
HDFS-1902	Fix path display for setrep	Major	test	Daryn Sharp	Daryn Sharp
HDFS-1911	HDFS tests for viewfs	Major	.	Sanjay Radia	Sanjay Radia
HDFS-1912	Update tests for FsShell standardized error messages	Major	test	Daryn Sharp	Daryn Sharp
HDFS-1903	Fix path display for rm/rmr	Major	test	Daryn Sharp	Daryn Sharp
HDFS-1928	Fix path display for touchz	Major	test	Daryn Sharp	Daryn Sharp
HDFS-1933	Update tests for FsShell’s “test”	Major	test	Daryn Sharp	Daryn Sharp
HDFS-1931	Update tests for du/dus/df	Major	.	Daryn Sharp	Daryn Sharp
HDFS-1877	Create a functional test for file read/write	Minor	test	CW Chung	CW Chung
HDFS-1983	Fix path display for copy & rm	Major	test	Daryn Sharp	Daryn Sharp
MAPREDUCE-2536	TestMRCLI broke due to change in usage output	Minor	test	Daryn Sharp	Daryn Sharp
HDFS-1968	Enhance TestWriteRead to support File Append and Position Read	Minor	test	CW Chung	CW Chung
MAPREDUCE-2081	[GridMix3] Implement functionality for get the list of job traces which has different intervals.	Major	contrib/gridmix	Vinay Kumar Thota	Vinay Kumar Thota
HDFS-2100	Improve TestStorageRestore	Minor	test	Aaron T. Myers	Aaron T. Myers
HDFS-2111	Add tests for ensuring that the DN will start with a few bad data directories (Part 1 of testing DiskChecker)	Major	datanode, test	Harsh J	Harsh J
HDFS-2131	Tests for HADOOP-7361	Major	test	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-2154	TestDFSShell should use test dir	Minor	test	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7298	Add test utility for writing multi-threaded tests	Major	test	Todd Lipcon	Todd Lipcon
MAPREDUCE-2782	MR-279: Unit (mockito) tests for CS	Major	mrv2	Arun C Murthy	Arun C Murthy
HADOOP-7526	Add TestPath tests for URI conversion and reserved characters	Minor	fs	Eli Collins	Eli Collins
HDFS-2233	Add WebUI tests with URI reserved chars in the path and filename	Major	namenode	Eli Collins	Eli Collins
HDFS-2332	Add test for HADOOP-7629: using an immutable FsPermission as an IPC parameter	Major	test	Todd Lipcon	Todd Lipcon
HDFS-2522	Disable TestDfsOverAvroRpc in 0.23	Minor	.	Suresh Srinivas	Suresh Srinivas

SUB-TASKS:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-6683	the first optimization: ZlibCompressor does not fully utilize the buffer	Minor	io	Kang Xiao	Kang Xiao
HDFS-1473	Refactor storage management into separate classes than fsimage file reading/writing	Major	namenode	Todd Lipcon	Todd Lipcon
HDFS-1557	Separate Storage from FSImage	Major	namenode	Ivan Kelly	Ivan Kelly
HDFS-1629	Add a method to BlockPlacementPolicy for not removing the chosen nodes	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1445	Batch the calls in DataStorage to FileUtil.createHardLink(), so we call it once per directory instead of once per file	Major	datanode	Matt Foley	Matt Foley
HDFS-1541	Not marking datanodes dead When namenode in safemode	Major	namenode	Hairong Kuang	Hairong Kuang
HDFS-1767	Namenode should ignore non-initial block reports from datanodes when in safemode during startup	Major	datanode	Matt Foley	Matt Foley
HDFS-1070	Speedup NameNode image loading and saving by storing local file names	Major	namenode	Hairong Kuang	Hairong Kuang
HDFS-1854	make failure message more useful in DFSTestUtil.waitReplication()	Major	test	Matt Foley	Matt Foley
HDFS-1856	TestDatanodeBlockScanner waits forever, errs without giving information	Major	test	Matt Foley	Matt Foley
HDFS-1398	HDFS federation: Upgrade and rolling back of Federation	Major	.	Tanping Wang
HADOOP-6919	Metrics2: metrics framework	Major	metrics	Luke Lu	Luke Lu
MAPREDUCE-2422	Removed unused internal methods from DistributedCache	Major	client	Tom White	Tom White
HDFS-1826	NameNode should save image to name directories in parallel during upgrade	Major	namenode	Hairong Kuang	Matt Foley
HDFS-1883	Recurring failures in TestBackupNode since HDFS-1052	Major	test	Matt Foley
HDFS-1922	Recurring failure in TestJMXGet.testNameNode since build 477 on May 11	Major	test	Matt Foley	Luke Lu
HDFS-1828	TestBlocksWithNotEnoughRacks intermittently fails assert	Major	namenode	Matt Foley	Matt Foley
MAPREDUCE-2522	MR 279: Security for JobHistory service	Major	mrv2	Siddharth Seth	Siddharth Seth
HDFS-1884	Improve TestDFSStorageStateRecovery	Major	test	Matt Foley	Aaron T. Myers
HDFS-1923	Intermittent recurring failure in TestFiDataTransferProtocol2.pipeline_Fi_29	Major	test	Matt Foley	Tsz Wo Nicholas Sze
HDFS-1295	Improve namenode restart times by short-circuiting the first block reports from datanodes	Major	namenode	dhruba borthakur	Matt Foley
HDFS-2069	Incorrect default trash interval value in the docs	Trivial	documentation	Ravi Phulari	Harsh J
HADOOP-7380	Add client failover functionality to o.a.h.io.(ipc\|retry)	Major	ha, ipc	Aaron T. Myers	Aaron T. Myers
HDFS-2134	Move DecommissionManager to block management	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2140	Move Host2NodesMap to block management	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2159	Deprecate DistributedFileSystem.getClient()	Major	hdfs-client	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7465	A several tiny improvements for the LOG format	Trivial	fs, ipc	XieXianshan	XieXianshan
HDFS-2147	Move cluster network topology to block management	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2141	Remove NameNode roles Active and Standby (they become states)	Major	ha, namenode	Suresh Srinivas	Suresh Srinivas
HDFS-2167	Move dnsToSwitchMapping and hostsReader from FSNamesystem to DatanodeManager	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2112	Move ReplicationMonitor to block management	Major	namenode	Tsz Wo Nicholas Sze	Uma Maheswara Rao G
HDFS-2149	Move EditLogOp serialization formats into FsEditLogOp implementations	Major	namenode	Ivan Kelly	Ivan Kelly
HDFS-2191	Move datanodeMap from FSNamesystem to DatanodeManager	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2200	Set FSNamesystem.LOG to package private	Minor	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2199	Move blockTokenSecretManager from FSNamesystem to BlockManager	Major	namenode	Tsz Wo Nicholas Sze	Uma Maheswara Rao G
MAPREDUCE-2641	Fix the ExponentiallySmoothedTaskRuntimeEstimator and its unit test	Minor	mrv2	Josh Wills	Josh Wills
HADOOP-6671	To use maven for hadoop common builds	Major	build	Giridharan Kesavan	Alejandro Abdelnur
HADOOP-7502	Use canonical (IDE friendly) generated-sources directory for generated sources	Major	.	Luke Lu	Luke Lu
HADOOP-7501	publish Hadoop Common artifacts (post HADOOP-6671) to Apache SNAPSHOTs repo	Major	build	Alejandro Abdelnur	Tom White
HADOOP-7508	compiled nativelib is in wrong directory and it is not picked up by surefire setup	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HDFS-2108	Move datanode heartbeat handling to BlockManager	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7515	test-patch reports the wrong number of javadoc warnings	Major	build	Tom White	Tom White
HDFS-2228	Move block and datanode code from FSNamesystem to BlockManager and DatanodeManager	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7528	Maven build fails in Windows	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7525	Make arguments to test-patch optional	Major	scripts	Tom White	Tom White
HDFS-2239	Reduce access levels of the fields and methods in FSNamesystem	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2237	Change UnderReplicatedBlocks from public to package private	Minor	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7533	Allow test-patch to be run from any subproject directory	Major	.	Tom White	Tom White
HDFS-2265	Remove unnecessary BlockTokenSecretManager fields/methods from BlockManager	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7498	Remove legacy TAR layout creation	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7496	break Maven TAR & bintar profiles into just LAYOUT & TAR proper	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HDFS-2266	Add a Namesystem interface to avoid directly referring to FSNamesystem	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7561	Make test-patch only run tests for changed modules	Major	.	Tom White	Tom White
HADOOP-7560	Make hadoop-common a POM module with sub-modules (common & alfredo)	Major	.	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-2807	MR-279: AM restart does not work after RM refactor	Major	applicationmaster, mrv2, resourcemanager	Sharad Agarwal	Sharad Agarwal
MAPREDUCE-2891	Docs for core protocols in yarn-api - AMRMProtocol	Major	documentation, mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-2898	Docs for core protocols in yarn-api - ContainerManager	Major	documentation, mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-2897	Docs for core protocols in yarn-api - ClientRMProtocol	Major	documentation, mrv2	Arun C Murthy	Arun C Murthy
HDFS-2284	Write Http access to HDFS	Major	.	Sanjay Radia	Tsz Wo Nicholas Sze
MAPREDUCE-2933	Change allocate call to return ContainerStatus for completed containers rather than Container	Blocker	applicationmaster, mrv2, nodemanager, resourcemanager	Arun C Murthy	Arun C Murthy
MAPREDUCE-2896	Remove all apis other than getters and setters in all org/apache/hadoop/yarn/api/records/*	Major	mrv2	Arun C Murthy	Arun C Murthy
HDFS-2317	Read access to HDFS using HTTP REST	Major	.	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2899	Replace major parts of ApplicationSubmissionContext with a ContainerLaunchContext	Major	mrv2, resourcemanager	Arun C Murthy	Arun C Murthy
MAPREDUCE-3007	JobClient cannot talk to JobHistory server in secure mode	Major	jobhistoryserver, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HDFS-2338	Configuration option to enable/disable webhdfs.	Major	webhdfs	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-2318	Provide authentication to webhdfs using SPNEGO	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2909	Docs for remaining records in yarn-api	Major	documentation, mrv2	Arun C Murthy	Arun C Murthy
HDFS-2340	Support getFileBlockLocations and getDelegationToken in webhdfs	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2356	webhdfs: support case insensitive query parameter names	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2366	webhdfs throws a npe when ugi is null from getDelegationToken	Major	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
MAPREDUCE-3099	Add docs for setting up a single node MRv2 cluster.	Major	.	Mahadev konar	Mahadev konar
HDFS-2363	Move datanodes size printing to BlockManager from FSNameSystem’s metasave API	Minor	namenode	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-3098	Report Application status as well as ApplicationMaster status in GetApplicationReportResponse	Blocker	mrv2	Hitesh Shah	Hitesh Shah
HADOOP-7469	add a standard handler for socket connection problems which improves diagnostics	Minor	util	Steve Loughran	Steve Loughran
HDFS-2348	Support getContentSummary and getFileChecksum in webhdfs	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2889	Add docs for writing new application frameworks	Critical	documentation, mrv2	Arun C Murthy	Hitesh Shah
MAPREDUCE-3137	Fix broken merge of MR-2719 to 0.23 branch for the distributed shell test case	Trivial	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3134	Add documentation for CapacityScheduler	Blocker	documentation, mrv2, scheduler	Arun C Murthy	Arun C Murthy
MAPREDUCE-2792	[MR-279] Replace IP addresses with hostnames	Blocker	mrv2, security	Ramya Sunil	Vinod Kumar Vavilapalli
MAPREDUCE-3013	Remove YarnConfiguration.YARN_SECURITY_INFO	Major	mrv2, security	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-2702	[MR-279] OutputCommitter changes for MR Application Master recovery	Blocker	applicationmaster, mrv2	Sharad Agarwal	Sharad Agarwal
HDFS-2395	webhdfs api’s should return a root element in the json response	Critical	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
HDFS-2403	The renewer in NamenodeWebHdfsMethods.generateDelegationToken(..) is not used	Major	.	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-3141	Yarn+MR secure mode is broken, uncovered after MAPREDUCE-3056	Blocker	applicationmaster, mrv2, security	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HDFS-2404	webhdfs liststatus json response is not correct	Major	webhdfs	Arpit Gupta	Suresh Srinivas
MAPREDUCE-2988	Reenable TestLinuxContainerExecutor reflecting the current NM code.	Critical	mrv2, security, test	Eric Payne	Robert Joseph Evans
MAPREDUCE-3148	Port MAPREDUCE-2702 to old mapred api	Blocker	mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-2666	MR-279: Need to retrieve shuffle port number on ApplicationMaster restart	Blocker	mrv2	Robert Joseph Evans	Jonathan Eagles
HDFS-2441	webhdfs returns two content-type headers	Major	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
HDFS-2428	webhdfs api parameter validation should be better	Major	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
HDFS-2424	webhdfs liststatus json does not convert to a valid xml document	Major	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
HDFS-2439	webhdfs open an invalid path leads to a 500 which states a npe, we should return a 404 with appropriate error message	Major	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
MAPREDUCE-3136	Add docs for setting up real-world MRv2 clusters	Blocker	documentation, mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-3127	Unable to restrict users based on resourcemanager.admin.acls value set	Blocker	mrv2, resourcemanager	Amol Kekre	Arun C Murthy
MAPREDUCE-3144	Augment JobHistory to include information needed for serving aggregated logs.	Critical	mrv2	Vinod Kumar Vavilapalli	Siddharth Seth
HDFS-2453	tail using a webhdfs uri throws an error	Major	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
MAPREDUCE-3104	Implement Application ACLs, Queue ACLs and their interaction	Blocker	mrv2, resourcemanager, security	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HDFS-2427	webhdfs mkdirs api call creates path with 777 permission, we should default it to 755	Major	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
HADOOP-7564	Remove test-patch SVN externals	Major	.	Tom White	Tom White
MAPREDUCE-3233	AM fails to restart when first AM is killed	Blocker	mrv2	Karam Singh	Mahadev konar
MAPREDUCE-2708	[MR-279] Design and implement MR Application Master recovery	Blocker	applicationmaster, mrv2	Sharad Agarwal	Sharad Agarwal
MAPREDUCE-2747	[MR-279] [Security] Cleanup LinuxContainerExecutor binary sources	Blocker	mrv2, nodemanager, security	Vinod Kumar Vavilapalli	Robert Joseph Evans
MAPREDUCE-3249	Recovery of MR AMs with reduces fails the subsequent generation of the job	Blocker	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-2746	[MR-279] [Security] Yarn servers can’t communicate with each other with hadoop.security.authorization set to true	Blocker	mrv2, security	Vinod Kumar Vavilapalli	Arun C Murthy
MAPREDUCE-2977	ResourceManager needs to renew and cancel tokens associated with a job	Blocker	mrv2, resourcemanager, security	Owen O’Malley	Arun C Murthy
MAPREDUCE-3250	When AM restarts, client keeps reconnecting to the new AM and prints a lots of logs.	Blocker	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HDFS-2501	add version prefix and root methods to webhdfs	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2858	MRv2 WebApp Security	Blocker	applicationmaster, mrv2, security	Luke Lu	Robert Joseph Evans
HDFS-2494	[webhdfs] When Getting the file using OP=OPEN with DN http address, ESTABLISHED sockets are growing.	Major	webhdfs	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-3175	Yarn httpservers not created with access Control lists	Blocker	mrv2	Thomas Graves	Jonathan Eagles
MAPREDUCE-3257	Authorization checks needed for AM->RM protocol	Blocker	applicationmaster, mrv2, resourcemanager, security	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HADOOP-7753	Support fadvise and sync_data_range in NativeIO, add ReadaheadPool class	Major	io, native, performance	Todd Lipcon	Todd Lipcon
HDFS-2432	webhdfs setreplication api should return a 403 when called on a directory	Major	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
MAPREDUCE-2989	JobHistory should link to task logs	Critical	mrv2	Siddharth Seth	Siddharth Seth
HDFS-2493	Remove reference to FSNamesystem in blockmanagement classes	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-3256	Authorization checks needed for AM->NM protocol	Blocker	applicationmaster, mrv2, nodemanager, security	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-2766	[MR-279] Set correct permissions for files in dist cache	Blocker	mrv2	Ramya Sunil	Hitesh Shah
MAPREDUCE-3146	Add a MR specific command line to dump logs for a given TaskAttemptID	Critical	mrv2, nodemanager	Vinod Kumar Vavilapalli	Siddharth Seth
MAPREDUCE-2696	Container logs aren’t getting cleaned up when LogAggregation is disabled	Major	mrv2, nodemanager	Arun C Murthy	Siddharth Seth
HDFS-2385	Support delegation token renewal in webhdfs	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-3220	ant test TestCombineOutputCollector failing on trunk	Minor	mrv2, test	Hitesh Shah	Devaraj K
MAPREDUCE-3103	Implement Job ACLs for MRAppMaster	Blocker	mrv2, security	Vinod Kumar Vavilapalli	Mahadev konar
HDFS-2416	distcp with a webhdfs uri on a secure cluster fails	Major	webhdfs	Arpit Gupta	Jitendra Nath Pandey
HDFS-2527	Remove the use of Range header from webhdfs	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2528	webhdfs rest call to a secure dn fails when a token is sent	Major	webhdfs	Arpit Gupta	Tsz Wo Nicholas Sze
HDFS-2540	Change WebHdfsFileSystem to two-step create/append	Major	.	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2539	Support doAs and GETHOMEDIRECTORY in webhdfs	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze

OTHER:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-7001	Allow configuration changes without restarting configured nodes	Major	conf	Patrick Kling	Patrick Kling
MAPREDUCE-2517	Porting Gridmix v3 system tests into trunk branch.	Major	contrib/gridmix	Vinay Kumar Thota	Vinay Kumar Thota
MAPREDUCE-2544	Gridmix compression emulation system tests.	Major	contrib/gridmix	Vinay Kumar Thota	Vinay Kumar Thota
MAPREDUCE-2554	Gridmix distributed cache emulation system tests.	Major	contrib/gridmix	Vinay Kumar Thota	Yiting Wu
MAPREDUCE-2563	Gridmix high ram jobs emulation system tests.	Major	contrib/gridmix	Vinay Kumar Thota	Vinay Kumar Thota
MAPREDUCE-2033	[Herriot] Gridmix generate data tests with various submission policies and different user resolvers.	Major	contrib/gridmix	Vinay Kumar Thota	Vinay Kumar Thota
MAPREDUCE-2053	[Herriot] Test Gridmix file pool for different input file sizes based on pool minimum size.	Major	contrib/gridmix	Vinay Kumar Thota	Vinay Kumar Thota
MAPREDUCE-2622	Remove the last remaining reference to “io.sort.mb”	Minor	test	Harsh J	Harsh J
HDFS-2196	Make ant build system work with hadoop-common JAR generated by Maven	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-2741	Make ant build system work with hadoop-common JAR generated by Maven	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7512	Fix example mistake in WritableComparable javadocs	Trivial	documentation	Harsh J	Harsh J
HADOOP-6158	Move CyclicIteration to HDFS	Minor	util	Owen O’Malley	Eli Collins
HDFS-2096	Mavenization of hadoop-hdfs	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7579	Rename package names from alfredo to auth	Major	security	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-2986	Multiple node managers support for the MiniYARNCluster	Critical	mrv2, test	Anupam Seth	Anupam Seth
HADOOP-7762	Common side of MR-2736 (MR1 removal)	Major	scripts	Eli Collins	Eli Collins

General

Common

HDFS

MapReduce

MapReduce REST APIs

YARN

YARN REST APIs

YARN Service

Hadoop Compatible File Systems

Auth

Tools

Reference

Configuration

Apache Hadoop Changelog

Release 0.23.0 - 2011-11-11

INCOMPATIBLE CHANGES:

NEW FEATURES:

IMPROVEMENTS:

BUG FIXES:

TESTS:

SUB-TASKS:

OTHER: