Apache Hadoop Changelog

Release 0.23.1 - 2012-02-17

INCOMPATIBLE CHANGES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-7348	Modify the option of FsShell getmerge from [addnl] to [-nl] for consistency	Major	fs	XieXianshan	XieXianshan
MAPREDUCE-3720	Command line listJobs should not visit each AM	Major	client, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HADOOP-7470	move up to Jackson 1.8.8	Minor	util	Steve Loughran	Enis Soztutar
HADOOP-8013	ViewFileSystem does not honor setVerifyChecksum	Major	fs	Daryn Sharp	Daryn Sharp

NEW FEATURES:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-778	[Rumen] Need a standalone JobHistory log anonymizer	Major	tools/rumen	Hong Tang	Amar Kamat
HADOOP-7808	Port token service changes from 205	Major	fs, security	Daryn Sharp	Daryn Sharp
MAPREDUCE-2765	DistCp Rewrite	Major	distcp, mrv2	Mithun Radhakrishnan	Mithun Radhakrishnan
HDFS-2316	[umbrella] WebHDFS: a complete FileSystem implementation for accessing HDFS over HTTP	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze

IMPROVEMENTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
HDFS-362	FSEditLog should not writes long and short as UTF8 and should not use ArrayWritable for writing non-array items	Major	namenode	Tsz Wo Nicholas Sze	Uma Maheswara Rao G
HDFS-2349	DN should log a WARN, not an INFO when it detects a corruption during block transfer	Trivial	datanode	Harsh J	Harsh J
HADOOP-7736	Remove duplicate call of Path#normalizePath during initialization.	Trivial	fs	Harsh J	Harsh J
HADOOP-7761	Improve performance of raw comparisons	Major	io, performance, util	Todd Lipcon	Todd Lipcon
HADOOP-7424	Log an error if the topology script doesn't handle multiple args	Major	.	Eli Collins	Uma Maheswara Rao G
HADOOP-7792	Common component for HDFS-2416: Add verifyToken method to AbstractDelegationTokenSecretManager	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-2533	Remove needless synchronization on FSDataSet.getBlockFile	Minor	datanode, performance	Todd Lipcon	Todd Lipcon
HDFS-2080	Speed up DFS read path by lessening checksum overhead	Major	hdfs-client, performance	Todd Lipcon	Todd Lipcon
MAPREDUCE-3325	Improvements to CapacityScheduler doc	Major	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3341	Enhance logging of initalized queue limit values	Major	mrv2	Anupam Seth	Anupam Seth
MAPREDUCE-3331	Improvement to single node cluster setup documentation for 0.23	Minor	mrv2	Anupam Seth	Anupam Seth
MAPREDUCE-3169	Create a new MiniMRCluster equivalent which only provides client APIs cross MR1 and MR2	Major	mrv1, mrv2, test	Todd Lipcon	Ahmed Radwan
MAPREDUCE-3415	improve MiniMRYarnCluster & DistributedShell JAR resolution	Major	mrv2	Alejandro Abdelnur	Alejandro Abdelnur
HDFS-2560	Refactor BPOfferService to be a static inner class	Major	datanode	Todd Lipcon	Todd Lipcon
HDFS-2562	Refactor DN configuration variables out of DataNode class	Minor	datanode	Todd Lipcon	Todd Lipcon
HDFS-2563	Some cleanup in BPOfferService	Major	datanode	Todd Lipcon	Todd Lipcon
HDFS-2502	hdfs-default.xml should include dfs.name.dir.restore	Minor	documentation	Eli Collins	Harsh J
HDFS-2568	Use a set to manage child sockets in XceiverServer	Trivial	datanode	Harsh J	Harsh J
HDFS-2454	Move maxXceiverCount check to before starting the thread in dataXceiver	Minor	datanode	Uma Maheswara Rao G	Harsh J
HDFS-2570	Add descriptions for dfs.*.https.address in hdfs-default.xml	Trivial	documentation	Eli Collins	Eli Collins
HADOOP-7841	Run tests with non-secure random	Trivial	build	Todd Lipcon	Todd Lipcon
HADOOP-6614	RunJar should provide more diags when it can't create a temp file	Minor	util	Steve Loughran	Jonathan Hsieh
HDFS-2566	Move BPOfferService to be a non-inner class	Minor	datanode	Todd Lipcon	Todd Lipcon
HDFS-2536	Remove unused imports	Trivial	namenode	Aaron T. Myers	Harsh J
MAPREDUCE-3411	Performance Upgrade for jQuery	Minor	mrv2	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3265	Reduce log level on MR2 IPC construction, etc	Blocker	mrv2	Todd Lipcon	Arun C Murthy
HDFS-2246	Shortcut a local client reads to a Datanodes files directly	Major	.	Sanjay Radia	Jitendra Nath Pandey
HADOOP-7858	Drop some info logging to DEBUG level in IPC, metrics, and HTTP	Trivial	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-3371	Review and improve the yarn-api javadocs.	Minor	documentation, mrv2	Ravi Prakash	Ravi Prakash
MAPREDUCE-3238	Small cleanup in SchedulerApp	Trivial	mrv2	Todd Lipcon	Todd Lipcon
HADOOP-7804	enable hadoop config generator to set dfs.block.local-path-access.user to enable short circuit read	Major	conf	Arpit Gupta	Arpit Gupta
HADOOP-7777	Implement a base class for DNSToSwitchMapping implementations that can offer extra topology information	Major	util	Steve Loughran	Steve Loughran
HDFS-2604	Add a log message to show if WebHDFS is enabled	Minor	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-3369	Migrate MR1 tests to run on MR2 using the new interfaces introduced in MAPREDUCE-3169	Major	mrv1, mrv2, test	Ahmed Radwan	Ahmed Radwan
MAPREDUCE-3147	Handle leaf queues with the same name properly	Major	mrv2	Ravi Prakash	Ravi Prakash
HDFS-2178	HttpFS - a read/write Hadoop file system proxy	Major	.	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7758	Make GlobFilter class public	Major	fs	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-6886	LocalFileSystem Needs createNonRecursive API	Minor	fs	Nicolas Spiegelberg	Nicolas Spiegelberg
HDFS-2511	Add dev script to generate HDFS protobufs	Minor	build	Todd Lipcon	Alejandro Abdelnur
HDFS-2653	DFSClient should cache whether addrs are non-local when short-circuiting is enabled	Major	datanode	Eli Collins	Eli Collins
HDFS-2654	Make BlockReaderLocal not extend RemoteBlockReader2	Major	datanode	Eli Collins	Eli Collins
MAPREDUCE-2863	Support web-services for RM & NM	Blocker	mrv2, nodemanager, resourcemanager	Arun C Murthy	Thomas Graves
HDFS-2675	Reduce verbosity when double-closing edit logs	Trivial	namenode	Todd Lipcon	Todd Lipcon
HADOOP-7657	Add support for LZ4 compression	Major	.	Bert Sanders	Binglin Chang
HDFS-2335	DataNodeCluster and NNStorage always pull fresh entropy	Major	datanode, namenode	Eli Collins	Uma Maheswara Rao G
HADOOP-7890	Redirect hadoop script's deprecation message to stderr	Trivial	scripts	Koji Noguchi	Koji Noguchi
MAPREDUCE-3597	Provide a way to access other info of history file from Rumentool	Major	tools/rumen	Ravi Gummadi	Ravi Gummadi
HADOOP-7574	Improvement for FSshell -stat	Trivial	fs	XieXianshan	XieXianshan
HADOOP-6840	Support non-recursive create() in FileSystem & SequenceFile.Writer	Minor	fs, io	Nicolas Spiegelberg	Nicolas Spiegelberg
HDFS-2726	"Exception in createBlockOutputStream" shouldn't delete exception stack trace	Major	.	Michael Bieniosek	Harsh J
HADOOP-7910	add configuration methods to handle human readable size values	Minor	conf	Sho Shimauchi	Sho Shimauchi
HDFS-2729	Update BlockManager's comments regarding the invalid block set	Minor	namenode	Harsh J	Harsh J
HDFS-554	BlockInfo.ensureCapacity may get a speedup from System.arraycopy()	Minor	namenode	Steve Loughran	Harsh J
HADOOP-7919	[Doc] Remove hadoop.logfile.* properties.	Trivial	documentation	Harsh J	Harsh J
HADOOP-7504	hadoop-metrics.properties missing some Ganglia31 options	Trivial	metrics	Eli Collins	Harsh J
MAPREDUCE-3610	Some parts in MR use old property dfs.block.size	Minor	.	Sho Shimauchi	Sho Shimauchi
HADOOP-7934	Normalize dependencies versions across all modules	Critical	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-4515	conf.getBoolean must be case insensitive	Minor	.	Abhijit Bagri	Sho Shimauchi
MAPREDUCE-3299	Add AMInfo table to the AM job page	Minor	mrv2	Siddharth Seth	Jonathan Eagles
HDFS-2788	HdfsServerConstants#DN_KEEPALIVE_TIMEOUT is dead code	Major	datanode	Eli Collins	Eli Collins
HDFS-2803	Adding logging to LeaseRenewer for better lease expiration triage.	Minor	namenode	Jimmy Xiang	Jimmy Xiang
HDFS-2817	Combine the two TestSafeMode test suites	Minor	test	Todd Lipcon	Todd Lipcon
HDFS-2825	Add test hook to turn off the writer preferring its local DN	Minor	namenode	Todd Lipcon	Todd Lipcon
HDFS-2826	Test case for HDFS-1476 (safemode can initialize repl queues before exiting)	Minor	namenode, test	Todd Lipcon	Todd Lipcon
HDFS-2397	Undeprecate SecondaryNameNode	Major	namenode	Todd Lipcon	Eli Collins
MAPREDUCE-3692	yarn-resourcemanager out and log files can get big	Blocker	mrv2	Eli Collins	Eli Collins
HADOOP-7987	Support setting the run-as user in unsecure mode	Major	security	Devaraj Das	Jitendra Nath Pandey
MAPREDUCE-3360	Provide information about lost nodes in the UI.	Critical	mrv2	Bhallamudi Venkata Siva Kamesh	Bhallamudi Venkata Siva Kamesh
MAPREDUCE-3693	Add admin env to mapred-default.xml	Minor	mrv2	Roman Shaposhnik	Roman Shaposhnik
HADOOP-7939	Improve Hadoop subcomponent integration in Hadoop 0.23	Major	build, conf, documentation, scripts	Roman Shaposhnik	Roman Shaposhnik
MAPREDUCE-3481	[Gridmix] Improve STRESS mode locking	Major	contrib/gridmix	Amar Kamat	Amar Kamat
MAPREDUCE-3679	AM logs and others should not automatically refresh after every 1 second.	Major	mrv2	Mahadev konar	Vinod Kumar Vavilapalli
MAPREDUCE-3756	Make single shuffle limit configurable	Major	mrv2	Arun C Murthy	Hitesh Shah
MAPREDUCE-3771	Port MAPREDUCE-1735 to trunk/0.23	Major	.	Arun C Murthy	Arun C Murthy
HADOOP-8015	ChRootFileSystem should extend FilterFileSystem	Major	fs	Daryn Sharp	Daryn Sharp
HDFS-2814	NamenodeMXBean does not account for svn revision in the version information	Minor	.	Hitesh Shah	Hitesh Shah
HDFS-2868	Add number of active transfer threads to the DataNode status	Minor	datanode	Harsh J	Harsh J
HADOOP-8027	Visiting /jmx on the daemon web interfaces may print unnecessary error in logs	Minor	metrics	Harsh J	Aaron T. Myers
HADOOP-8009	Create hadoop-client and hadoop-minicluster artifacts for downstream projects	Critical	build	Alejandro Abdelnur	Alejandro Abdelnur
HDFS-3139	Minor Datanode logging improvement	Minor	datanode	Eli Collins	Eli Collins
HDFS-2761	Improve Hadoop subcomponent integration in Hadoop 0.23	Major	build, hdfs-client, scripts	Roman Shaposhnik	Roman Shaposhnik

BUG FIXES:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-2784	[Gridmix] TestGridmixSummary fails with NPE when run in DEBUG mode.	Major	contrib/gridmix	Amar Kamat	Amar Kamat
MAPREDUCE-2950	[Gridmix] TestUserResolve fails in trunk	Major	contrib/gridmix	Amar Kamat	Ravi Gummadi
HADOOP-6490	Path.normalize should use StringUtils.replace in favor of String.replace	Minor	fs	Zheng Shao	Uma Maheswara Rao G
MAPREDUCE-3291	App fail to launch due to delegation token not found in cache	Blocker	mrv2	Ramya Sunil	Robert Joseph Evans
MAPREDUCE-3344	o.a.h.mapreduce.Reducer since 0.21 blindly casts to ReduceContext.ValueIterator	Major	.	Brock Noland	Brock Noland
HADOOP-7801	HADOOP_PREFIX cannot be overriden	Major	build	Bruno Mahé	Bruno Mahé
MAPREDUCE-3346	Rumen LoggedTaskAttempt getHostName call returns hostname as null	Blocker	tools/rumen	Karam Singh	Amar Kamat
MAPREDUCE-3342	JobHistoryServer doesn't show job queue	Critical	jobhistoryserver, mrv2	Thomas Graves	Jonathan Eagles
MAPREDUCE-3345	Race condition in ResourceManager causing TestContainerManagerSecurity to fail sometimes	Major	mrv2, resourcemanager	Vinod Kumar Vavilapalli	Hitesh Shah
MAPREDUCE-3368	compile-mapred-test fails	Critical	build, mrv2	Ramya Sunil	Hitesh Shah
MAPREDUCE-3336	com.google.inject.internal.Preconditions not public api - shouldn't be using it	Critical	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3333	MR AM for sort-job going out of memory	Blocker	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3280	MR AM should not read the username from configuration	Major	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3379	LocalResourceTracker should not tracking deleted cache entries	Major	mrv2, nodemanager	Siddharth Seth	Siddharth Seth
MAPREDUCE-3370	MiniMRYarnCluster uses a hard coded path location for the MapReduce application jar	Major	mrv2, test	Ahmed Radwan	Ahmed Radwan
HADOOP-7813	test-patch +1 patches that introduce javadoc and findbugs warnings in some cases	Major	build, test	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3324	Not All HttpServer tools links (stacks,logs,config,metrics) are accessible through all UI servers	Critical	jobhistoryserver, mrv2, nodemanager	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3243	Invalid tracking URL for streaming jobs	Major	contrib/streaming, mrv2	Ramya Sunil	Jonathan Eagles
HADOOP-7811	TestUserGroupInformation#testGetServerSideGroups test fails in chroot	Major	security, test	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3355	AM scheduling hangs frequently with sort job on 350 nodes	Blocker	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3407	Wrong jar getting used in TestMRJobs for MiniMRYarnCluster	Minor	mrv2	Hitesh Shah	Hitesh Shah
HADOOP-7787	Make source tarball use conventional name.	Major	build	Bruno Mahé	Bruno Mahé
HADOOP-7802	Hadoop scripts unconditionally source "$bin"/../libexec/hadoop-config.sh.	Major	.	Bruno Mahé	Bruno Mahé
HDFS-2544	Hadoop scripts unconditionally source "$bin"/../libexec/hadoop-config.sh.	Major	scripts	Bruno Mahé	Bruno Mahé
MAPREDUCE-3373	Hadoop scripts unconditionally source "$bin"/../libexec/hadoop-config.sh.	Major	.	Bruno Mahé	Bruno Mahé
HDFS-2543	HADOOP_PREFIX cannot be overriden	Major	scripts	Bruno Mahé	Bruno Mahé
MAPREDUCE-3372	HADOOP_PREFIX cannot be overriden	Major	.	Bruno Mahé	Bruno Mahé
HDFS-2541	For a sufficiently large value of blocks, the DN Scanner may request a random number with a negative seed value.	Major	datanode	Harsh J	Harsh J
HDFS-2567	When 0 DNs are available, show a proper error when trying to browse DFS via web UI	Major	namenode	Harsh J	Harsh J
MAPREDUCE-3437	Branch 23 fails to build with Failure to find org.apache.hadoop:hadoop-project:pom:0.24.0-SNAPSHOT	Blocker	build, mrv2	Jonathan Eagles	Jonathan Eagles
HADOOP-7843	compilation failing because workDir not initialized in RunJar.java	Major	.	John George	John George
MAPREDUCE-3434	Nightly build broken	Blocker	mrv2	Hitesh Shah	Hitesh Shah
HDFS-2575	DFSTestUtil may create empty files	Minor	test	Todd Lipcon	Todd Lipcon
MAPREDUCE-3447	mapreduce examples not working	Blocker	mrv2	Thomas Graves	Mahadev konar
MAPREDUCE-3444	trunk/0.23 builds broken	Blocker	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3412	'ant docs' is broken	Major	.	Amar Kamat	Amar Kamat
MAPREDUCE-3454	[Gridmix] TestDistCacheEmulation is broken	Major	contrib/gridmix	Amar Kamat	Hitesh Shah
MAPREDUCE-3408	yarn-daemon.sh unconditionnaly sets yarn.root.logger	Major	mrv2, nodemanager, resourcemanager	Bruno Mahé	Bruno Mahé
MAPREDUCE-3329	capacity schedule maximum-capacity allowed to be less then capacity	Blocker	mrv2	Thomas Graves	Arun C Murthy
HDFS-2588	hdfs jsp pages missing DOCTYPE [post-split branches]	Trivial	scripts	Dave Vronay	Dave Vronay
MAPREDUCE-3464	mapreduce jsp pages missing DOCTYPE [post-split branches]	Trivial	.	Dave Vronay	Dave Vronay
HDFS-2590	Some links in WebHDFS forrest doc do not work	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7859	TestViewFsHdfs.testgetFileLinkStatus is failing an assert	Major	fs	Eli Collins	Eli Collins
MAPREDUCE-3413	RM web ui applications not sorted in any order by default	Minor	mrv2	Jonathan Eagles	Jonathan Eagles
HDFS-2596	TestDirectoryScanner doesn't test parallel scans	Major	datanode, test	Eli Collins	Eli Collins
MAPREDUCE-3045	Elapsed time filter on jobhistory server displays incorrect table entries	Minor	jobhistoryserver, mrv2	Ramya Sunil	Jonathan Eagles
MAPREDUCE-3465	org.apache.hadoop.yarn.util.TestLinuxResourceCalculatorPlugin fails on 0.23	Minor	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3121	DFIP aka 'NodeManager should handle Disk-Failures In Place'	Blocker	mrv2, nodemanager	Vinod Kumar Vavilapalli	Ravi Gummadi
MAPREDUCE-3448	TestCombineOutputCollector javac unchecked warning on mocked generics	Minor	mrv2	Jonathan Eagles	Jonathan Eagles
HADOOP-7864	Building mvn site with Maven < 3.0.2 causes OOM errors	Major	build	Andrew Bayer	Andrew Bayer
HDFS-2606	webhdfs client filesystem impl must set the content-type header for create/append	Critical	webhdfs	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-3450	NM port info no longer available in JobHistory	Major	mr-am, mrv2	Siddharth Seth	Siddharth Seth
HADOOP-7853	multiple javax security configurations cause conflicts	Blocker	security	Daryn Sharp	Daryn Sharp
MAPREDUCE-3477	Hadoop site documentation cannot be built anymore on trunk and branch-0.23	Major	documentation, mrv2	Bruno Mahé	Jonathan Eagles
MAPREDUCE-3488	Streaming jobs are failing because the main class isnt set in the pom files.	Blocker	mrv2	Mahadev konar	Mahadev konar
HADOOP-7870	fix SequenceFile#createWriter with boolean createParent arg to respect createParent.	Major	.	Jonathan Hsieh	Jonathan Hsieh
HDFS-2614	hadoop dist tarball is missing hdfs headers	Major	build	Bruno Mahé	Alejandro Abdelnur
HADOOP-7854	UGI getCurrentUser is not synchronized	Critical	security	Daryn Sharp	Daryn Sharp
MAPREDUCE-3463	Second AM fails to recover properly when first AM is killed with java.lang.IllegalArgumentException causing lost job	Blocker	applicationmaster, mrv2	Karam Singh	Siddharth Seth
MAPREDUCE-3452	fifoscheduler web ui page always shows 0% used for the queue	Major	mrv2	Thomas Graves	Jonathan Eagles
MAPREDUCE-3443	Oozie jobs are running as oozie user even though they create the jobclient as doAs.	Blocker	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3460	MR AM can hang if containers are allocated on a node blacklisted by the AM	Blocker	mr-am, mrv2	Siddharth Seth	Robert Joseph Evans
MAPREDUCE-3453	RM web ui application details page shows RM cluster about information	Major	mrv2	Thomas Graves	Jonathan Eagles
MAPREDUCE-3479	JobClient#getJob cannot find local jobs	Major	client	Tom White	Tom White
MAPREDUCE-3500	MRJobConfig creates an LD_LIBRARY_PATH using the platform ARCH	Major	mrv2	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-3456	$HADOOP_PREFIX/bin/yarn should set defaults for $HADOOP_*_HOME	Blocker	mrv2	Eric Payne	Eric Payne
MAPREDUCE-3458	Fix findbugs warnings in hadoop-examples	Major	mrv2	Arun C Murthy	Devaraj K
MAPREDUCE-3389	MRApps loads the 'mrapp-generated-classpath' file with classpath from the build machine	Critical	mrv2	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-3496	Yarn initializes ACL operations from capacity scheduler config in a non-deterministic order	Major	mrv2	Jonathan Eagles	Jonathan Eagles
HADOOP-7887	KerberosAuthenticatorHandler is not setting KerberosName name rules from configuration	Critical	security	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7898	Fix javadoc warnings in AuthenticationToken.java	Minor	security	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-3327	RM web ui scheduler link doesn't show correct max value for queues	Critical	mrv2	Thomas Graves	Anupam Seth
MAPREDUCE-3513	Capacity Scheduler web UI has a spelling mistake for Memory.	Trivial	mrv2	Mahadev konar	chackaravarthy
HADOOP-7851	Configuration.getClasses() never returns the default value.	Major	conf	Amar Kamat	Uma Maheswara Rao G
HDFS-2594	webhdfs HTTP API should implement getDelegationTokens() instead getDelegationToken()	Critical	webhdfs	Alejandro Abdelnur	Tsz Wo Nicholas Sze
HADOOP-7902	skipping name rules setting (if already set) should be done on UGI initialization only	Major	.	Tsz Wo Nicholas Sze	Alejandro Abdelnur
HADOOP-7878	Regression HADOOP-7777 switch changes break HDFS tests when the isSingleSwitch() predicate is used	Minor	util	Steve Loughran	Steve Loughran
MAPREDUCE-3527	Fix minor API incompatibilities between 1.0 and 0.23	Major	.	Tom White	Tom White
HADOOP-7912	test-patch should run eclipse:eclipse to verify that it does not break again	Major	build	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-3518	mapred queue -info <queue> -showJobs throws NPE	Critical	client, mrv2	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3328	mapred queue -list output inconsistent and missing child queues	Critical	mrv2	Thomas Graves	Ravi Prakash
MAPREDUCE-3510	Capacity Scheduler inherited ACLs not displayed by mapred queue -showacls	Major	capacity-sched, mrv2	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3537	DefaultContainerExecutor has a race condn. with multiple concurrent containers	Blocker	.	Arun C Murthy	Arun C Murthy
HADOOP-7914	duplicate declaration of hadoop-hdfs test-jar	Major	build	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7810	move hadoop archive to core from tools	Blocker	.	John George	John George
MAPREDUCE-3542	Support "FileSystemCounter" legacy counter group name for compatibility	Major	.	Tom White	Tom White
MAPREDUCE-3544	gridmix build is broken, requires hadoop-archives to be added as ivy dependency	Major	build, tools/rumen	Alejandro Abdelnur	Alejandro Abdelnur
HDFS-2545	Webhdfs: Support multiple namenodes in federation	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2649	eclipse:eclipse build fails for hadoop-hdfs-httpfs	Major	build	Jason Lowe	Jason Lowe
MAPREDUCE-3557	MR1 test fail to compile because of missing hadoop-archives dependency	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-3398	Log Aggregation broken in Secure Mode	Blocker	mrv2, nodemanager	Siddharth Seth	Siddharth Seth
MAPREDUCE-3541	Fix broken TestJobQueueClient test	Blocker	mrv2	Ravi Prakash	Ravi Prakash
MAPREDUCE-3530	Sometimes NODE_UPDATE to the scheduler throws an NPE causing the scheduling to stop	Blocker	mrv2, resourcemanager, scheduler	Karam Singh	Arun C Murthy
MAPREDUCE-3484	JobEndNotifier is getting interrupted before completing all its retries.	Major	mr-am, mrv2	Ravi Prakash	Ravi Prakash
MAPREDUCE-3531	Sometimes java.lang.IllegalArgumentException: Invalid key to HMAC computation in NODE_UPDATE also causing RM to stop scheduling	Blocker	mrv2, resourcemanager, scheduler	Karam Singh	Robert Joseph Evans
MAPREDUCE-3560	TestRMNodeTransitions is failing on trunk	Blocker	mrv2, resourcemanager, test	Vinod Kumar Vavilapalli	Siddharth Seth
HADOOP-7917	compilation of protobuf files fails in windows/cygwin	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-3487	jobhistory web ui task counters no longer links to singletakecounter page	Critical	mrv2	Thomas Graves	Jason Lowe
MAPREDUCE-3564	TestStagingCleanup and TestJobEndNotifier are failing on trunk.	Blocker	mrv2	Mahadev konar	Siddharth Seth
MAPREDUCE-3422	Counter display names are not being picked up	Major	mrv2	Tom White	Jonathan Eagles
MAPREDUCE-3366	Mapreduce component should use consistent directory structure layout as HDFS/common	Major	mrv2	Eric Yang	Eric Yang
MAPREDUCE-3387	A tracking URL of N/A before the app master is launched breaks oozie	Critical	mrv2	Robert Joseph Evans	Robert Joseph Evans
HDFS-2640	Javadoc generation hangs	Major	.	Tom White	Tom White
MAPREDUCE-3579	ConverterUtils should not include a port in a path for a URL with no port	Major	mrv2	Aaron T. Myers	Aaron T. Myers
HDFS-2553	BlockPoolSliceScanner spinning in loop	Critical	datanode	Todd Lipcon	Uma Maheswara Rao G
HDFS-2658	HttpFS introduced 70 javadoc warnings	Major	.	Eli Collins	Alejandro Abdelnur
MAPREDUCE-3563	LocalJobRunner doesn't handle Jobs using o.a.h.mapreduce.OutputCommitter	Major	mrv2	Arun C Murthy	Arun C Murthy
HDFS-2706	Use configuration for blockInvalidateLimit if it is set	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HADOOP-7837	no NullAppender in the log4j config	Major	conf	Steve Loughran	Eli Collins
MAPREDUCE-3376	Old mapred API combiner uses NULL reporter	Major	mrv1, mrv2	Robert Joseph Evans	Subroto Sanyal
MAPREDUCE-3391	Connecting to CM is logged as Connecting to RM	Minor	applicationmaster	Subroto Sanyal	Subroto Sanyal
MAPREDUCE-3339	Job is getting hanged indefinitely,if the child processes are killed on the NM. KILL_CONTAINER eventtype is continuosly sent to the containers that are not existing	Blocker	mrv2	Ramgopal N	Siddharth Seth
MAPREDUCE-3588	bin/yarn broken after MAPREDUCE-3366	Blocker	.	Arun C Murthy	Arun C Murthy
HDFS-2646	Hadoop HttpFS introduced 4 findbug warnings.	Major	.	Uma Maheswara Rao G	Alejandro Abdelnur
HDFS-2657	TestHttpFSServer and TestServerWebApp are failing on trunk	Major	.	Eli Collins	Alejandro Abdelnur
MAPREDUCE-3349	No rack-name logged in JobHistory for unsuccessful tasks	Blocker	mrv2	Vinod Kumar Vavilapalli	Amar Kamat
HDFS-2705	HttpFS server should check that upload requests have correct content-type	Major	.	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-3586	Lots of AMs hanging around in PIG testing	Blocker	mr-am, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HDFS-2707	HttpFS should read the hadoop-auth secret from a file instead inline from the configuration	Major	security	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-3604	Streaming's check for local mode is broken	Blocker	contrib/streaming	Arun C Murthy	Arun C Murthy
MAPREDUCE-3521	Hadoop Streaming ignores unknown parameters	Minor	mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-3522	Capacity Scheduler ACLs not inherited by default	Major	mrv2	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3608	MAPREDUCE-3522 commit causes compilation to fail	Major	mrv2	Mahadev konar	Mahadev konar
HDFS-2722	HttpFs shouldn't be using an int for block size	Major	hdfs-client	Harsh J	Harsh J
HADOOP-7933	Viewfs changes for MAPREDUCE-3529	Critical	viewfs	Siddharth Seth	Siddharth Seth
MAPREDUCE-3462	Job submission failing in JUnit tests	Blocker	mrv2, test	Amar Kamat	Ravi Prakash
HDFS-1314	dfs.blocksize accepts only absolute value	Minor	.	Karim Saadah	Sho Shimauchi
MAPREDUCE-3490	RMContainerAllocator counts failed maps towards Reduce ramp up	Blocker	mr-am, mrv2	Siddharth Seth	Sharad Agarwal
HADOOP-7948	Shell scripts created by hadoop-dist/pom.xml to build tar do not properly propagate failure	Minor	build	Michajlo Matijkiw	Michajlo Matijkiw
MAPREDUCE-1744	DistributedCache creates its own FileSytem instance when adding a file/archive to the path	Major	.	Dick King	Dick King
MAPREDUCE-3529	TokenCache does not cache viewfs credentials correctly	Critical	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3478	Cannot build against ZooKeeper 3.4.0	Minor	mrv2	Andrew Bayer	Tom White
HADOOP-7949	Updated maxIdleTime default in the code to match core-default.xml	Trivial	ipc	Eli Collins	Eli Collins
MAPREDUCE-3615	mapred ant test failures	Blocker	mrv2	Thomas Graves	Thomas Graves
HDFS-2710	HDFS part of MAPREDUCE-3529, HADOOP-7933	Critical	.	Siddharth Seth
MAPREDUCE-3326	RM web UI scheduler link not as useful as should be	Critical	mrv2	Thomas Graves	Jason Lowe
MAPREDUCE-3617	Remove yarn default values for resource manager and nodemanager principal	Major	mrv2	Jonathan Eagles	Jonathan Eagles
HADOOP-7907	hadoop-tools JARs are not part of the distro	Blocker	build	Alejandro Abdelnur	Alejandro Abdelnur
HADOOP-7936	There's a Hoop README in the root dir of the tarball	Major	build	Eli Collins	Alejandro Abdelnur
MAPREDUCE-3624	bin/yarn script adds jdk tools.jar to the classpath.	Major	mrv2	Mahadev konar	Mahadev konar
HADOOP-7963	test failures: TestViewFileSystemWithAuthorityLocalFileSystem and TestViewFileSystemLocalFileSystem	Blocker	.	Thomas Graves	Siddharth Seth
MAPREDUCE-3528	The task timeout check interval should be configurable independent of mapreduce.task.timeout	Major	mr-am, mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3639	TokenCache likely broken for FileSystems which don't issue delegation tokens	Blocker	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3420	[Umbrella ticket] Make uber jobs functional	Major	mrv2	Hitesh Shah
MAPREDUCE-3312	Make MR AM not send a stopContainer w/o corresponding start container	Major	mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-3382	Network ACLs can prevent AMs to ping the Job-end notification URL	Critical	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Ravi Prakash
MAPREDUCE-3648	TestJobConf failing	Blocker	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3651	TestQueueManagerRefresh fails	Blocker	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3645	TestJobHistory fails	Blocker	mrv1	Thomas Graves	Thomas Graves
MAPREDUCE-3652	org.apache.hadoop.mapred.TestWebUIAuthorization.testWebUIAuthorization fails	Blocker	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3625	CapacityScheduler web-ui display of queue's used capacity is broken	Critical	mrv2	Arun C Murthy	Jason Lowe
HDFS-69	Improve dfsadmin command line help	Minor	.	Ravi Phulari	Harsh J
MAPREDUCE-3596	Sort benchmark got hang after completion of 99% map phase	Blocker	applicationmaster, mrv2	Ravi Prakash	Vinod Kumar Vavilapalli
MAPREDUCE-3656	Sort job on 350 scale is consistently failing with latest MRV2 code	Blocker	applicationmaster, mrv2, resourcemanager	Karam Singh	Siddharth Seth
MAPREDUCE-3532	When 0 is provided as port number in yarn.nodemanager.webapp.address, NMs webserver component picks up random port, NM keeps on Reporting 0 port to RM	Critical	mrv2, nodemanager	Karam Singh	Bhallamudi Venkata Siva Kamesh
MAPREDUCE-3404	Speculative Execution: speculative map tasks launched even if -Dmapreduce.map.speculative=false	Critical	job submission, mrv2	patrick white	Eric Payne
HDFS-2790	FSNamesystem.setTimes throws exception with wrong configuration name in the message	Minor	.	Arpit Gupta	Arpit Gupta
HADOOP-7975	Add entry to XML defaults for new LZ4 codec	Minor	.	Harsh J	Harsh J
MAPREDUCE-3649	Job End notification gives an error on calling back.	Blocker	mrv2	Mahadev konar	Ravi Prakash
MAPREDUCE-3657	State machine visualize build fails	Minor	build, mrv2	Jason Lowe	Jason Lowe
MAPREDUCE-3664	HDFS Federation Documentation has incorrect configuration example	Minor	documentation	praveen sripati	Brandon Li
MAPREDUCE-2450	Calls from running tasks to TaskTracker methods sometimes fail and incur a 60s timeout	Major	.	Matei Zaharia	Rajesh Balamohan
HADOOP-7971	hadoop <job/queue/pipes> removed - should be added back, but deprecated	Blocker	.	Thomas Graves	Prashant Sharma
MAPREDUCE-3669	Getting a lot of PriviledgedActionException / SaslException when running a job	Blocker	mrv2	Thomas Graves	Mahadev konar
MAPREDUCE-3684	LocalDistributedCacheManager does not shut down its thread pool	Major	client	Tom White	Tom White
HADOOP-7982	UserGroupInformation fails to login if thread's context classloader can't load HadoopLoginModule	Major	security	Todd Lipcon	Todd Lipcon
HDFS-2810	Leases not properly getting renewed by clients	Critical	hdfs-client	Todd Lipcon	Todd Lipcon
HDFS-2751	Datanode drops OS cache behind reads even for short reads	Major	datanode	Todd Lipcon	Todd Lipcon
HADOOP-7986	Add config for History Server protocol in hadoop-policy for service level authorization.	Major	.	Mahadev konar	Mahadev konar
MAPREDUCE-3582	Move successfully passing MR1 tests to MR2 maven tree.	Major	mrv2, test	Ahmed Radwan	Ahmed Radwan
HDFS-2816	Fix missing license header in hadoop-hdfs-project/hadoop-hdfs-httpfs/dev-support/findbugsExcludeFile.xml	Trivial	.	Hitesh Shah	Hitesh Shah
MAPREDUCE-3689	RM web UI doesn't handle newline in job name	Blocker	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3701	Delete HadoopYarnRPC from 0.23 branch.	Major	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3549	write api documentation for web service apis for RM, NM, mapreduce app master, and job history server	Blocker	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3705	ant build fails on 0.23 branch	Blocker	mrv2	Thomas Graves	Thomas Graves
HDFS-2818	dfshealth.jsp missing space between role and node name	Trivial	namenode	Todd Lipcon	Devaraj K
HDFS-2822	processMisReplicatedBlock incorrectly identifies under-construction blocks as under-replicated	Major	ha, namenode	Todd Lipcon	Todd Lipcon
MAPREDUCE-3702	internal server error trying access application master via proxy with filter enabled	Critical	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3691	webservices add support to compress response	Critical	mrv2	Thomas Graves	Thomas Graves
HADOOP-7981	Improve documentation for org.apache.hadoop.io.compress.Decompressor.getRemaining	Major	io	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3646	Remove redundant URL info from "mapred job" output	Major	client, mrv2	Ramya Sunil	Jonathan Eagles
MAPREDUCE-3681	capacity scheduler LeafQueues calculate used capacity wrong	Critical	mrv2	Thomas Graves	Arun C Murthy
HADOOP-7964	Deadlock in class init.	Blocker	security, util	Kihwal Lee	Daryn Sharp
HDFS-442	dfsthroughput in test.jar throws NPE	Minor	test	Ramya Sunil	Harsh J
MAPREDUCE-3505	yarn APPLICATION_CLASSPATH needs to be overridable	Major	mrv2	Bruno Mahé	Ahmed Radwan
MAPREDUCE-3710	last split generated by FileInputFormat.getSplits may not have the best locality	Major	mrv1, mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3714	Reduce hangs in a corner case	Blocker	mrv2, task	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3712	The mapreduce tar does not contain the hadoop-mapreduce-client-jobclient-tests.jar.	Blocker	mrv2	Ravi Prakash	Mahadev konar
MAPREDUCE-3717	JobClient test jar has missing files to run all the test programs.	Blocker	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3683	Capacity scheduler LeafQueues maximum capacity calculation issues	Blocker	mrv2	Thomas Graves	Arun C Murthy
MAPREDUCE-3194	"mapred mradmin" command is broken in mrv2	Major	mrv2	Siddharth Seth	Jason Lowe
MAPREDUCE-3713	Incorrect headroom reported to jobs	Blocker	mrv2, resourcemanager	Siddharth Seth	Arun C Murthy
MAPREDUCE-3721	Race in shuffle can cause it to hang	Blocker	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3733	Add Apache License Header to hadoop-distcp/pom.xml	Major	.	Mahadev konar	Mahadev konar
HDFS-2836	HttpFSServer still has 2 javadoc warnings in trunk	Major	.	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-3735	Add distcp jar to the distribution (tar)	Blocker	mrv2	Mahadev konar	Mahadev konar
HDFS-2837	mvn javadoc:javadoc not seeing LimitedPrivate class	Major	.	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-3737	The Web Application Proxy's is not documented very well	Critical	mrv2	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-3699	Default RPC handlers are very low for YARN servers	Major	mrv2	Vinod Kumar Vavilapalli	Hitesh Shah
HADOOP-7993	Hadoop ignores old-style config options for enabling compressed output	Major	conf	Anupam Seth	Anupam Seth
MAPREDUCE-3742	"yarn logs" command fails with ClassNotFoundException	Blocker	mrv2	Jason Lowe	Jason Lowe
HADOOP-7998	CheckFileSystem does not correctly honor setVerifyChecksum	Major	fs	Daryn Sharp	Daryn Sharp
HADOOP-8000	fetchdt command not available in bin/hadoop	Critical	.	Arpit Gupta	Arpit Gupta
HDFS-2840	TestHostnameFilter should work with localhost or localhost.localdomain	Major	test	Eli Collins	Alejandro Abdelnur
HDFS-2791	If block report races with closing of file, replica is incorrectly marked corrupt	Major	datanode, namenode	Todd Lipcon	Todd Lipcon
MAPREDUCE-3732	CS should only use 'activeUsers with pending requests' for computing user-limits	Blocker	mrv2, resourcemanager, scheduler	Arun C Murthy	Arun C Murthy
HADOOP-7988	Upper case in hostname part of the principals doesn't work with kerberos.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-8002	SecurityUtil acquired token message should be a debug rather than info	Major	.	Arpit Gupta	Arpit Gupta
HADOOP-7999	"hadoop archive" fails with ClassNotFoundException	Critical	scripts	Jason Lowe	Jason Lowe
MAPREDUCE-3703	ResourceManager should provide node lists in JMX output	Critical	mrv2, resourcemanager	Eric Payne	Eric Payne
MAPREDUCE-3716	java.io.File.createTempFile fails in map/reduce tasks	Blocker	mrv2	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-3748	Move CS related nodeUpdate log messages to DEBUG	Minor	mrv2	Ramya Sunil	Ramya Sunil
MAPREDUCE-3764	AllocatedGB etc metrics incorrect if min-allocation-mb isn't a multiple of 1GB	Critical	mrv2	Siddharth Seth	Arun C Murthy
MAPREDUCE-3749	ConcurrentModificationException in counter groups	Blocker	mrv2	Tom White	Tom White
HDFS-2835	Fix org.apache.hadoop.hdfs.tools.GetConf$Command Findbug issue	Major	tools	Robert Joseph Evans	Robert Joseph Evans
HADOOP-8006	TestFSInputChecker is failing in trunk.	Major	fs	Uma Maheswara Rao G	Daryn Sharp
MAPREDUCE-3754	RM webapp should have pages filtered based on App-state	Major	mrv2, webapps	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3762	Resource Manager fails to come up with default capacity scheduler configs.	Critical	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3499	New MiniMR does not setup proxyuser configuration correctly, thus tests using doAs do not work	Blocker	mrv2, test	Alejandro Abdelnur	John George
MAPREDUCE-3774	yarn-default.xml should be moved to hadoop-yarn-common.	Major	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3696	MR job via oozie does not work on hadoop 23	Blocker	mrv2	John George	John George
MAPREDUCE-3427	streaming tests fail with MR2	Blocker	contrib/streaming, mrv2	Alejandro Abdelnur	Hitesh Shah
MAPREDUCE-3752	Headroom should be capped by queue max-cap	Blocker	mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-3744	Unable to retrieve application logs via "yarn logs" or "mapred job -logs"	Blocker	mrv2	Jason Lowe	Jason Lowe
MAPREDUCE-3780	RM assigns containers to killed applications	Blocker	mrv2	Ramya Sunil	Hitesh Shah
HDFS-2827	Cannot save namespace after renaming a directory above a file with an open lease	Major	namenode	Uma Maheswara Rao G	Uma Maheswara Rao G
HADOOP-8001	ChecksumFileSystem's rename doesn't correctly handle checksum files	Major	fs	Daryn Sharp	Daryn Sharp
MAPREDUCE-3708	Metrics: Incorrect Apps Submitted Count	Major	mrv2	Bhallamudi Venkata Siva Kamesh	Bhallamudi Venkata Siva Kamesh
MAPREDUCE-3784	maxActiveApplications(\|PerUser) per queue is too low for small clusters	Major	mrv2	Ramya Sunil	Arun C Murthy
HADOOP-8018	Hudson auto test for HDFS has started throwing javadoc: warning - Error fetching URL: http://java.sun.com/javase/6/docs/api/package-list	Major	build, test	Matt Foley	Jonathan Eagles
HDFS-2889	getNumCurrentReplicas is package private but should be public on 0.23 (see HDFS-2408)	Major	hdfs-client	Gregory Chanan	Gregory Chanan
MAPREDUCE-3760	Blacklisted NMs should not appear in Active nodes list	Major	mrv2	Ramya Sunil	Vinod Kumar Vavilapalli
MAPREDUCE-3417	job access controls not working app master and job history UI's	Blocker	mrv2	Thomas Graves	Jonathan Eagles
MAPREDUCE-3791	can't build site in hadoop-yarn-server-common	Major	documentation, mrv2	Roman Shaposhnik	Mahadev konar
MAPREDUCE-3723	TestAMWebServicesJobs & TestHSWebServicesJobs incorrectly asserting tests	Major	mrv2, test, webapps	Bhallamudi Venkata Siva Kamesh	Bhallamudi Venkata Siva Kamesh
MAPREDUCE-3795	"job -status" command line output is malformed	Major	mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3759	ClassCastException thrown in -list-active-trackers when there are a few unhealthy nodes	Major	mrv2	Ramya Sunil	Vinod Kumar Vavilapalli
MAPREDUCE-3775	Change MiniYarnCluster to escape special chars in testname	Minor	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3765	FifoScheduler does not respect yarn.scheduler.fifo.minimum-allocation-mb setting	Minor	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3747	Memory Total is not refreshed until an app is launched	Major	mrv2	Ramya Sunil	Arun C Murthy
HDFS-2893	The start/stop scripts don't start/stop the 2NN when using the default configuration	Minor	.	Eli Collins	Eli Collins
MAPREDUCE-3814	MR1 compile fails	Major	mrv1, mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-3808	NPE in FileOutputCommitter when running a 0 reduce job	Blocker	mrv2	Siddharth Seth	Robert Joseph Evans
MAPREDUCE-3804	yarn webapp interface vulnerable to cross scripting attacks	Major	jobhistoryserver, mrv2, resourcemanager	Dave Thompson	Dave Thompson
MAPREDUCE-3354	JobHistoryServer should be started by bin/mapred and not by bin/yarn	Blocker	jobhistoryserver, mrv2	Vinod Kumar Vavilapalli	Jonathan Eagles
MAPREDUCE-3794	Support mapred.Task.Counter and mapred.JobInProgress.Counter enums for compatibility	Major	mrv2	Tom White	Tom White
MAPREDUCE-3697	Hadoop Counters API limits Oozie's working across different hadoop versions	Blocker	mrv2	John George	Mahadev konar
MAPREDUCE-3817	bin/mapred command cannot run distcp and archive jobs	Major	mrv2	Arpit Gupta	Arpit Gupta
MAPREDUCE-3709	TestDistributedShell is failing	Major	mrv2, test	Eli Collins	Hitesh Shah
MAPREDUCE-3436	JobHistory webapp address should use the host from the jobhistory address	Major	mrv2, webapps	Bruno Mahé	Ahmed Radwan
MAPREDUCE-3833	Capacity scheduler queue refresh doesn't recompute queue capacities properly	Major	mrv2	Jason Lowe	Jason Lowe
MAPREDUCE-3826	RM UI when loaded throws a message stating Data Tables warning and then the column sorting stops working	Major	mrv2	Arpit Gupta	Jonathan Eagles
MAPREDUCE-3822	TestJobCounters is failing intermittently on trunk and 0.23.	Critical	mrv2	Mahadev konar	Mahadev konar
MAPREDUCE-3834	If multiple hosts for a split belong to the same rack, the rack is added multiple times in the AM request table	Critical	mr-am, mrv2	Siddharth Seth	Siddharth Seth
HADOOP-7974	TestViewFsTrash incorrectly determines the user's home directory	Major	fs, test	Eli Collins	Harsh J
HADOOP-8012	hadoop-daemon.sh and yarn-daemon.sh are trying to mkdir and chow log/pid dirs which can fail	Minor	scripts	Roman Shaposhnik	Roman Shaposhnik
MAPREDUCE-3828	Broken urls: AM tracking url and jobhistory url in a single node setup.	Major	mrv2	Ahmed Radwan	Siddharth Seth
MAPREDUCE-3770	[Rumen] Zombie.getJobConf() results into NPE	Critical	tools/rumen	Amar Kamat	Amar Kamat
HDFS-2923	Namenode IPC handler count uses the wrong configuration key	Critical	namenode	Todd Lipcon	Todd Lipcon
MAPREDUCE-3840	JobEndNotifier doesn't use the proxyToUse during connecting	Blocker	mrv2	Ravi Prakash	Ravi Prakash
MAPREDUCE-3843	Job summary log file found missing on the RM host	Critical	jobhistoryserver, mrv2	Anupam Seth	Anupam Seth
HADOOP-8055	Distribution tar.gz does not contain etc/hadoop/core-site.xml	Major	build	Eric Charles	Harsh J
HDFS-2869	Error in Webhdfs documentation for mkdir	Minor	webhdfs	Harsh J	Harsh J
HADOOP-8052	Hadoop Metrics2 should emit Float.MAX_VALUE (instead of Double.MAX_VALUE) to avoid making Ganglia's gmetad core	Major	metrics	Varun Kapoor	Varun Kapoor
MAPREDUCE-3858	Task attempt failure during commit results in task never completing	Critical	mrv2	Tom White	Tom White
MAPREDUCE-3856	Instances of RunningJob class givs incorrect job tracking urls when mutiple jobs are submitted from same client jvm.	Critical	mrv2	Eric Payne	Eric Payne
HADOOP-8054	NPE with FilterFileSystem	Critical	fs	Amareshwari Sriramadasu	Daryn Sharp
MAPREDUCE-3880	Allow for 32-bit container-executor	Blocker	build, mrv2	Arun C Murthy	Arun C Murthy
MAPREDUCE-3727	jobtoken location property in jobconf refers to wrong jobtoken file	Critical	security	Alejandro Abdelnur	Alejandro Abdelnur

TESTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-3595	Add missing TestCounters#testCounterValue test from branch 1 to 0.23	Major	test	Tom White	Tom White
MAPREDUCE-3803	HDFS-2864 broke ant compilation	Major	build	Ravi Prakash	Ravi Prakash
MAPREDUCE-3854	Reinstate environment variable tests in TestMiniMRChildTask	Major	mrv2	Tom White	Tom White

SUB-TASKS:

JIRA	Summary	Priority	Component	Reporter	Contributor
HDFS-2130	Switch default checksum to CRC32C	Major	hdfs-client	Todd Lipcon	Todd Lipcon
HDFS-2129	Simplify BlockReader to not inherit from FSInputChecker	Major	hdfs-client, performance	Todd Lipcon	Todd Lipcon
MAPREDUCE-3221	ant test TestSubmitJob failing on trunk	Minor	mrv2, test	Hitesh Shah	Devaraj K
MAPREDUCE-3215	org.apache.hadoop.mapreduce.TestNoJobSetupCleanup failing on trunk	Minor	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3219	ant test TestDelegationToken failing on trunk	Minor	mrv2, test	Hitesh Shah	Hitesh Shah
MAPREDUCE-3217	ant test TestAuditLogger fails on trunk	Minor	mrv2, test	Hitesh Shah	Devaraj K
MAPREDUCE-3392	Cluster.getDelegationToken() throws NPE if client.getDelegationToken() returns null.	Blocker	.	John George	John George
MAPREDUCE-3102	NodeManager should fail fast with wrong configuration or permissions for LinuxContainerExecutor	Major	mrv2, security	Vinod Kumar Vavilapalli	Hitesh Shah
HADOOP-7590	Mavenize streaming and MR examples	Major	build	Alejandro Abdelnur	Alejandro Abdelnur
MAPREDUCE-3433	Finding counters by legacy group name returns empty counters	Major	client, mrv2	Tom White	Tom White
MAPREDUCE-3485	DISKS_FAILED -101 error code should be defined in same location as ABORTED_CONTAINER_EXIT_STATUS	Major	mrv2	Hitesh Shah	Ravi Gummadi
MAPREDUCE-3519	Deadlock in LocalDirsHandlerService and ShuffleHandler	Blocker	mrv2, nodemanager	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-3426	uber-jobs tried to write outputs into wrong dir	Blocker	mrv2	Hitesh Shah	Hitesh Shah
MAPREDUCE-3567	Extraneous JobConf objects in AM heap	Major	mr-am, mrv2, performance	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3399	ContainerLocalizer should request new resources after completing the current one	Blocker	mrv2, nodemanager	Siddharth Seth	Siddharth Seth
MAPREDUCE-3568	Optimize Job's progress calculations in MR AM	Critical	mr-am, mrv2, performance	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3547	finish unit tests for web services for RM and NM	Critical	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3566	MR AM slows down due to repeatedly constructing ContainerLaunchContext	Critical	mr-am, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3572	MR AM's dispatcher is blocked by heartbeats to ResourceManager	Critical	mr-am, mrv2, performance	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3569	TaskAttemptListener holds a global lock for all task-updates	Critical	mr-am, mrv2, performance	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3548	write unit tests for web services for mapreduce app master and job history server	Critical	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3511	Counters occupy a good part of AM heap	Blocker	mr-am, mrv2	Siddharth Seth	Vinod Kumar Vavilapalli
MAPREDUCE-3616	Thread pool for launching containers in MR AM not expanding as expected	Major	mr-am, mrv2, performance	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3402	AMScalability test of Sleep job with 100K 1-sec maps regressed into running very slowly	Blocker	applicationmaster, mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3380	Token infrastructure for running clients which are not kerberos authenticated	Blocker	mr-am, mrv2	Alejandro Abdelnur	Mahadev konar
MAPREDUCE-3618	TaskHeartbeatHandler holds a global lock for all task-updates	Major	mrv2, performance	Siddharth Seth	Siddharth Seth
MAPREDUCE-3553	Add support for data returned when exceptions thrown from web service apis to be in either xml or in JSON	Minor	mrv2	Thomas Graves	Thomas Graves
MAPREDUCE-3512	Batch jobHistory disk flushes	Blocker	mr-am, mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3641	CapacityScheduler should be more conservative assigning off-switch requests	Blocker	mrv2, scheduler	Arun C Murthy	Arun C Murthy
MAPREDUCE-3698	Client cannot talk to the history server in secure mode	Blocker	mrv2	Siddharth Seth	Mahadev konar
MAPREDUCE-3525	Shuffle benchmark is nearly 1.5x slower in 0.23	Blocker	mrv2	Karam Singh	Vinod Kumar Vavilapalli
MAPREDUCE-3534	Compression benchmark run-time increased by 13% in 0.23	Blocker	mrv2	Vinay Kumar Thota	Vinod Kumar Vavilapalli
MAPREDUCE-3718	Default AM heartbeat interval should be one second	Major	mrv2, performance	Vinod Kumar Vavilapalli	Hitesh Shah
HDFS-2864	Remove redundant methods and a constant from FSDataset	Major	datanode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-3640	AMRecovery should pick completed task form partial JobHistory files	Blocker	mrv2	Siddharth Seth	Arun C Murthy
HDFS-2879	Change FSDataset to package private	Major	datanode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-3711	AppMaster recovery for Medium to large jobs take long time	Blocker	mrv2	Siddharth Seth	Robert Joseph Evans
HDFS-2784	Update hftp and hdfs for host-based token support	Major	hdfs-client, namenode, security	Daryn Sharp	Kihwal Lee
HDFS-2785	Update webhdfs and httpfs for host-based token support	Major	webhdfs	Daryn Sharp	Robert Joseph Evans
MAPREDUCE-3810	MR AM's ContainerAllocator is assigning the allocated containers very slowly	Blocker	mrv2, performance	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3813	RackResolver should maintain a cache to avoid repetitive lookups.	Major	mrv2, performance	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3809	Tasks may take upto 3 seconds to exit after completion	Blocker	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3815	Data Locality suffers if the AM asks for containers using IPs instead of hostnames	Critical	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-3823	Counters are getting calculated twice at job-finish and delaying clients.	Major	mrv2, performance	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3827	Counters aggregation slowed down significantly after MAPREDUCE-3749	Blocker	mrv2, performance	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HDFS-2786	Fix host-based token incompatibilities in DFSUtil	Major	namenode, security	Daryn Sharp	Kihwal Lee
MAPREDUCE-3846	Restarted+Recovered AM hangs in some corner cases	Critical	mrv2	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
MAPREDUCE-3802	If an MR AM dies twice it looks like the process freezes	Critical	applicationmaster, mrv2	Robert Joseph Evans	Vinod Kumar Vavilapalli

OTHER:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-3297	Move Log Related components from yarn-server-nodemanager to yarn-common	Major	mrv2	Siddharth Seth	Siddharth Seth
MAPREDUCE-2733	Gridmix v3 cpu emulation system tests.	Major	.	Vinay Kumar Thota	Vinay Kumar Thota
MAPREDUCE-3375	Memory Emulation system tests.	Major	.	Vinay Kumar Thota	Vinay Kumar Thota
HDFS-2552	Add WebHdfs Forrest doc	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2587	Add WebHDFS apt doc	Major	webhdfs	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-3468	Change version to 0.23.1 for ant builds on the 23 branch	Major	.	Siddharth Seth	Siddharth Seth
HADOOP-7877	Federation: update Balancer documentation	Major	documentation	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-2574	remove references to deprecated properties in hdfs-site.xml template and hdfs-default.xml	Trivial	documentation	Joe Crobak	Joe Crobak
MAPREDUCE-3251	Network ACLs can prevent some clients to talk to MR ApplicationMaster	Critical	mrv2	Anupam Seth	Anupam Seth
MAPREDUCE-3630	NullPointerException running teragen	Critical	mrv2	Amol Kekre	Mahadev konar
MAPREDUCE-3811	Make the Client-AM IPC retry count configurable	Critical	mrv2	Siddharth Seth	Siddharth Seth