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Apache Hadoop Changelog

Release 0.22.0 - 2011-12-10

INCOMPATIBLE CHANGES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-6730	Bug in FileContext#copy and provide base class for FileContext tests	Major	fs, test	Eli Collins	Ravi Phulari
HDFS-1109	HFTP and URL Encoding	Major	contrib/hdfsproxy, datanode	Dmytro Molkov	Dmytro Molkov
HDFS-1061	Memory footprint optimization for INodeFile object.	Minor	namenode	Bharath Mundlapudi	Bharath Mundlapudi
MAPREDUCE-1683	Remove JNI calls from ClusterStatus cstr	Major	jobtracker	Chris Douglas	Luke Lu
HADOOP-6787	Factor out glob pattern code from FileContext and Filesystem	Major	fs	Luke Lu	Luke Lu
HDFS-1080	SecondaryNameNode image transfer should use the defined http address rather than local ip address	Major	namenode	Jakob Homan	Jakob Homan
HADOOP-6835	Support concatenated gzip files	Major	io	Tom White	Greg Roelofs
MAPREDUCE-1733	Authentication between pipes processes and java counterparts.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-1315	Add fsck event to audit log and remove other audit log events corresponding to FSCK listStatus and open calls	Major	namenode, tools	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-1866	Remove deprecated class org.apache.hadoop.streaming.UTF8ByteArrayUtils	Minor	contrib/streaming	Amareshwari Sriramadasu	Amareshwari Sriramadasu
HDFS-330	Datanode Web UIs should provide robots.txt	Trivial	datanode	Allen Wittenauer	Allen Wittenauer
HDFS-202	Add a bulk FIleSystem.getFileBlockLocations	Major	hdfs-client, namenode	Arun C Murthy	Hairong Kuang
HADOOP-6905	Better logging messages when a delegation token is invalid	Major	security	Kan Zhang	Kan Zhang
MAPREDUCE-1664	Job Acls affect Queue Acls	Major	security	Ravi Gummadi	Ravi Gummadi
HDFS-1435	Provide an option to store fsimage compressed	Major	namenode	Hairong Kuang	Hairong Kuang
HDFS-903	NN should verify images and edit logs on startup	Critical	namenode	Eli Collins	Hairong Kuang
MAPREDUCE-1905	Context.setStatus() and progress() api are ignored	Blocker	task	Amareshwari Sriramadasu	Amareshwari Sriramadasu
HADOOP-7013	Add boolean field isCorrupt to BlockLocation	Major	.	Patrick Kling	Patrick Kling
HDFS-1560	dfs.data.dir permissions should default to 700	Minor	datanode	Todd Lipcon	Todd Lipcon
HADOOP-6949	Reduces RPC packet size for primitive arrays, especially long[], which is used at block reporting	Major	io	Navis	Matt Foley
HADOOP-7229	Absolute path to kinit in auto-renewal thread	Major	security	Aaron T. Myers	Aaron T. Myers
HDFS-1825	Remove thriftfs contrib	Major	.	Nigel Daley	Nigel Daley
HADOOP-7137	Remove hod contrib	Major	.	Nigel Daley	Nigel Daley

NEW FEATURES:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-1680	Add a metrics to track the number of heartbeats processed	Major	jobtracker	Hong Tang	Dick King
HDFS-1003	authorization checks for inter-server protocol (based on HADOOP-6600)	Major	.	Boris Shkolnik	Boris Shkolnik
HADOOP-6600	mechanism for authorization check for inter-server protocols	Major	.	Boris Shkolnik	Boris Shkolnik
HDFS-1079	HDFS implementation should throw exceptions defined in AbstractFileSystem	Major	namenode	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-1804	Stress-test tool for HDFS introduced in HDFS-708	Major	benchmarks, test	Konstantin Shvachko	Konstantin Shvachko
HDFS-708	A stress-test tool for HDFS.	Major	test, tools	Konstantin Shvachko	Joshua Harlow
HDFS-992	Re-factor block access token implementation to conform to the generic Token interface in Common	Major	security	Kan Zhang	Kan Zhang
HDFS-1096	allow dfsadmin/mradmin refresh of superuser proxy group mappings	Major	security	Boris Shkolnik	Boris Shkolnik
HADOOP-6586	Log authentication and authorization failures and successes	Major	security	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1516	JobTracker should issue a delegation token only for kerberos authenticated client	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-752	Add interface classification stable & scope to HDFS	Major	.	Suresh Srinivas	Suresh Srinivas
HDFS-1004	Update NN to support Kerberized SSL from HADOOP-6584	Major	namenode	Jakob Homan	Jakob Homan
HDFS-1005	Fsck security	Major	.	Jitendra Nath Pandey	Boris Shkolnik
MAPREDUCE-1594	Support for Sleep Jobs in gridmix	Major	contrib/gridmix	rahul k singh	rahul k singh
HADOOP-6870	Add FileSystem#listLocatedStatus to list a directory's content together with each file's block locations	Major	fs	Hairong Kuang	Hairong Kuang
HADOOP-6892	Common component of HDFS-1150 (Verify datanodes' identities to clients in secure clusters)	Major	security	Jakob Homan	Jakob Homan
HDFS-1150	Verify datanodes' identities to clients in secure clusters	Major	datanode	Jakob Homan	Jakob Homan
HDFS-1318	HDFS Namenode and Datanode WebUI information needs to be accessible programmatically for scripts	Major	.	Suresh Srinivas	Tanping Wang
MAPREDUCE-220	Collecting cpu and memory usage for MapReduce tasks	Major	task, tasktracker	Hong Tang	Scott Chen
HDFS-1111	getCorruptFiles() should give some hint that the list is not complete	Major	.	Rodrigo Schmidt	Sriram Rao
MAPREDUCE-1517	streaming should support running on background	Major	contrib/streaming	Bochun Bai	Bochun Bai
HADOOP-6472	add tokenCache option to GenericOptionsParser for passing file with secret keys to a map reduce job	Major	.	Boris Shkolnik	Boris Shkolnik
HADOOP-6996	Allow CodecFactory to return a codec object given a codec' class name	Major	io	Hairong Kuang	Hairong Kuang
HADOOP-4487	Security features for Hadoop	Major	security	Kan Zhang	Kan Zhang
HDFS-811	Add metrics, failure reporting and additional tests for HDFS-457	Minor	test	Ravi Phulari	Eli Collins
HDFS-528	Add ability for safemode to wait for a minimum number of live datanodes	Major	scripts	Todd Lipcon	Todd Lipcon
HADOOP-6978	Add JNI support for secure IO operations	Blocker	io, native, security	Todd Lipcon	Todd Lipcon
HADOOP-6832	Provide a web server plugin that uses a static user for the web UI	Major	security	Owen O'Malley	Owen O'Malley
HDFS-1330	Make RPCs to DataNodes timeout	Major	datanode	Hairong Kuang	John George
HADOOP-6889	Make RPC to have an option to timeout	Major	ipc	Hairong Kuang	John George

IMPROVEMENTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-478	separate jvm param for mapper and reducer	Minor	.	Koji Noguchi	Arun C Murthy
HADOOP-6599	Split RPC metrics into summary and detailed metrics	Major	.	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-1546	Jobtracker JSP pages should automatically redirect to the corresponding history page if not in memory	Minor	.	Scott Chen	Scott Chen
HADOOP-6623	Add StringUtils.split for non-escaped single-character separator	Minor	util	Todd Lipcon	Todd Lipcon
HDFS-1028	INode.getPathNames could split more efficiently	Minor	namenode	Todd Lipcon	Dmytro Molkov
HDFS-853	The HDFS webUI should show a metric that summarizes whether the cluster is balanced regarding disk space usage	Major	namenode	dhruba borthakur	Dmytro Molkov
MAPREDUCE-1761	FairScheduler should allow separate configuration of node and rack locality wait time	Major	.	Scott Chen	Scott Chen
HADOOP-6761	Improve Trash Emptier	Major	.	Dmytro Molkov	Dmytro Molkov
HADOOP-6714	FsShell 'hadoop fs -text' does not support compression codecs	Major	.	Patrick Angeles	Patrick Angeles
MAPREDUCE-1798	normalize property names for JT kerberos principal names in configuration (from HADOOP 6633)	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1354	Incremental enhancements to the JobTracker for better scalability	Critical	jobtracker	Devaraj Das	Dick King
MAPREDUCE-1785	Add streaming config option for not emitting the key	Minor	contrib/streaming	Eli Collins	Eli Collins
HADOOP-6791	Refresh for proxy superuser config (common part for HDFS-1096)	Major	.	Boris Shkolnik	Boris Shkolnik
HDFS-1184	Replace tabs in code with spaces	Minor	.	Jeff Ames	Jeff Ames
MAPREDUCE-1832	Support for file sizes less than 1MB in DFSIO benchmark.	Major	benchmarks	Konstantin Shvachko	Konstantin Shvachko
HDFS-1185	Remove duplicate now() functions in DataNode, FSNamesystem	Minor	datanode, namenode	Jeff Ames	Jeff Ames
HDFS-1183	Remove some duplicate code in NamenodeJspHelper.java	Minor	namenode	Jeff Ames	Jeff Ames
HADOOP-6674	Performance Improvement in Secure RPC	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-1545	Add 'first-task-launched' to job-summary	Major	jobtracker	Arun C Murthy	Luke Lu
MAPREDUCE-1762	Add a setValue() method in Counter	Major	.	Scott Chen	Scott Chen
HDFS-1190	Remove unused getNamenode() method from DataNode.	Minor	datanode	Jeff Ames	Jeff Ames
HDFS-1110	Namenode heap optimization - reuse objects for commonly used file names	Major	.	Suresh Srinivas	Suresh Srinivas
HADOOP-6814	Method in UGI to get the authentication method of the real user.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-1829	JobInProgress.findSpeculativeTask should use min() to find the candidate instead of sort()	Major	jobtracker	Scott Chen	Scott Chen
HDFS-1114	Reducing NameNode memory usage by an alternate hash table	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-599	Improve Namenode robustness by prioritizing datanode heartbeats over client requests	Major	namenode	dhruba borthakur	Dmytro Molkov
HDFS-947	The namenode should redirect a hftp request to read a file to the datanode that has the maximum number of local replicas	Major	.	dhruba borthakur	Dmytro Molkov
MAPREDUCE-1492	Delete or recreate obsolete har files used on hdfs raid	Major	contrib/raid	Rodrigo Schmidt	Rodrigo Schmidt
MAPREDUCE-1851	Document configuration parameters in streaming	Major	contrib/streaming, documentation	Amareshwari Sriramadasu	Amareshwari Sriramadasu
MAPREDUCE-1868	Add read timeout on userlog pull	Major	client	Krishna Ramachandran	Krishna Ramachandran
MAPREDUCE-1778	CompletedJobStatusStore initialization should fail if {mapred.job.tracker.persist.jobstatus.dir} is unwritable	Major	jobtracker	Amar Kamat	Krishna Ramachandran
MAPREDUCE-1850	Include job submit host information (name and ip) in jobconf and jobdetails display	Major	.	Krishna Ramachandran	Krishna Ramachandran
MAPREDUCE-1893	Multiple reducers for Slive	Major	benchmarks, test	Konstantin Shvachko	Konstantin Shvachko
HADOOP-6584	Provide Kerberized SSL encryption for webservices	Major	.	Jakob Homan	Jakob Homan
MAPREDUCE-1838	DistRaid map tasks have large variance in running times	Minor	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HDFS-882	Datanode could log what hostname and ports its listening on on startup	Minor	datanode	Steve Loughran	Steve Loughran
MAPREDUCE-1248	Redundant memory copying in StreamKeyValUtil	Minor	contrib/streaming	Ruibang He	Ruibang He
HDFS-1140	Speedup INode.getPathComponents	Minor	namenode	Dmytro Molkov	Dmytro Molkov
HADOOP-6845	TokenStorage renamed to Credentials.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-1272	HDFS changes corresponding to rename of TokenStorage to Credentials	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-1033	In secure clusters, NN and SNN should verify that the remote principal during image and edits transfer	Major	namenode, security	Jakob Homan	Jakob Homan
HDFS-1023	Allow http server to start as regular principal if https principal not defined.	Major	namenode	Jakob Homan	Jakob Homan
HADOOP-6825	FileStatus needs unit tests	Major	.	Rodrigo Schmidt	Rodrigo Schmidt
MAPREDUCE-1840	[Gridmix] Exploit/Add security features in GridMix	Major	contrib/gridmix	Amar Kamat	Amar Kamat
MAPREDUCE-1376	Support for varied user submission in Gridmix	Major	contrib/gridmix	Chris Douglas	Chris Douglas
MAPREDUCE-1711	Gridmix should provide an option to submit jobs to the same queues as specified in the trace.	Major	contrib/gridmix	Hong Tang	rahul k singh
MAPREDUCE-1526	Cache the job related information while submitting the job , this would avoid many RPC calls to JobTracker.	Major	contrib/gridmix	rahul k singh	rahul k singh
MAPREDUCE-1848	Put number of speculative, data local, rack local tasks in JobTracker metrics	Major	jobtracker	Scott Chen	Scott Chen
HADOOP-6859	Introduce additional statistics to FileSystem	Major	.	Suresh Srinivas	Suresh Srinivas
HDFS-1298	Add support in HDFS to update statistics that tracks number of file system operations in FileSystem	Major	.	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-1935	HFTP needs to be updated to use delegation tokens (from HDFS-1007)	Major	.	Boris Shkolnik	Boris Shkolnik
HADOOP-6632	Support for using different Kerberos keys for different instances of Hadoop services	Major	.	Kan Zhang	Kan Zhang
HDFS-1201	Support for using different Kerberos keys for Namenode and datanode.	Major	.	Jitendra Nath Pandey	Kan Zhang
MAPREDUCE-1945	Support for using different Kerberos keys for Jobtracker and TaskTrackers	Major	.	Kan Zhang	Kan Zhang
HDFS-1081	Performance regression in DistributedFileSystem::getFileBlockLocations in secure systems	Major	security	Jakob Homan	Jakob Homan
HDFS-1307	Add start time, end time and total time taken for FSCK to FSCK report	Major	namenode, tools	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-1936	[gridmix3] Make Gridmix3 more customizable.	Major	contrib/gridmix	Hong Tang	Hong Tang
HADOOP-6861	Method in Credentials to read and write a token storage file.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-1302	Use writeTokenStorageToStream method in Credentials to store credentials to a file.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-6805	add buildDTServiceName method to SecurityUtil (as part of MAPREDUCE-1718)	Major	.	Boris Shkolnik	Boris Shkolnik
HADOOP-6877	Common part of HDFS-1178	Major	ipc	Kan Zhang	Kan Zhang
HDFS-1178	The NameNode servlets should not use RPC to connect to the NameNode	Major	namenode	Owen O'Malley	Owen O'Malley
HADOOP-6745	adding some java doc to Server.RpcMetrics, UGI	Minor	ipc	Boris Shkolnik	Boris Shkolnik
HADOOP-6890	Improve listFiles API introduced by HADOOP-6870	Major	fs	Hairong Kuang	Hairong Kuang
HDFS-1297	Fix some comments	Trivial	documentation	Jeff Ames	Jeff Ames
HADOOP-6862	Add api to add user/group to AccessControlList	Major	security	Amareshwari Sriramadasu	Amareshwari Sriramadasu
HADOOP-6911	doc update for DelegationTokenFetcher (part of HDFS-1036)	Minor	.	Boris Shkolnik
MAPREDUCE-1253	Making Mumak work with Capacity-Scheduler	Major	contrib/mumak	Anirban Dasgupta	Anirban Dasgupta
HADOOP-6693	Add metrics to track kerberos login activity	Major	.	Suresh Srinivas	Suresh Srinivas
HDFS-1356	Provide information as to whether or not security is enabled on web interface for NameNode (part of HADOOP-6822)	Major	.	Boris Shkolnik	Boris Shkolnik
HADOOP-6884	Add LOG.isDebugEnabled() guard for each LOG.debug("...")	Major	.	Erik Steffl	Erik Steffl
HDFS-1320	Add LOG.isDebugEnabled() guard for each LOG.debug("...")	Major	.	Erik Steffl	Erik Steffl
HDFS-1353	Remove most of getBlockLocation optimization	Major	namenode	Jakob Homan	Jakob Homan
HDFS-1205	FSDatasetAsyncDiskService should name its threads	Major	datanode	Todd Lipcon	Todd Lipcon
MAPREDUCE-2046	A CombineFileInputSplit cannot be less than a dfs block	Major	.	Namit Jain	dhruba borthakur
HDFS-1369	Invalid javadoc reference in FSDatasetMBean.java	Trivial	datanode	Eli Collins	Eli Collins
HDFS-881	Refactor DataNode Packet header into DataTransferProtocol	Major	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-1918	Add documentation to Rumen	Major	tools/rumen	Amar Kamat	Amar Kamat
HDFS-1395	Add @Override annotation to FSDataset methods that implement FSDatasetInterface	Major	datanode	Suresh Srinivas	Suresh Srinivas
HADOOP-6950	Suggest that HADOOP_CLASSPATH should be preserved in hadoop-env.sh.template	Trivial	scripts	Philip Zeyliger	Philip Zeyliger
HDFS-1383	Better error messages on hftp	Major	.	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1093	Improve namenode scalability by splitting the FSNamesystem synchronized section in a read/write lock	Major	namenode	dhruba borthakur	dhruba borthakur
HDFS-1407	Use Block in DataTransferProtocol	Major	.	Suresh Srinivas	Suresh Srinivas
HDFS-1304	There is no unit test for HftpFileSystem.open(..)	Major	test	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-1548	Hadoop archives should be able to preserve times and other properties from original files	Major	harchive	Rodrigo Schmidt	Rodrigo Schmidt
HDFS-1417	Add @Override annotation to SimulatedFSDataset methods that implement FSDatasetInterface	Major	.	Suresh Srinivas	Suresh Srinivas
HDFS-1368	Add a block counter to DatanodeDescriptor	Major	namenode	Hairong Kuang	Hairong Kuang
HDFS-1426	Remove unused method BlockInfo#listCount	Major	namenode	Hairong Kuang	Hairong Kuang
HADOOP-6856	SequenceFile and MapFile need cleanup to remove redundant constructors	Major	io	Owen O'Malley	Owen O'Malley
MAPREDUCE-1816	HAR files used for RAID parity need to have configurable partfile size	Minor	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HADOOP-6879	Provide SSH based (Jsch) remote execution API for system tests	Major	build, test	Iyappan Srinivasan	Konstantin Boudnik
HDFS-1434	Refactor Datanode#startDataNode method	Major	datanode	Suresh Srinivas	Suresh Srinivas
HADOOP-6987	Use JUnit Rule to optionally fail test cases that run more than 10 seconds	Major	test	Jakob Homan	Jakob Homan
MAPREDUCE-1819	RaidNode should be smarter in submitting Raid jobs	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HDFS-1456	Provide builder for constructing instances of MiniDFSCluster	Major	test	Jakob Homan	Jakob Homan
MAPREDUCE-2140	Re-generate fair scheduler design doc PDF	Trivial	.	Matei Zaharia	Matei Zaharia
MAPREDUCE-2145	upgrade clover on the builds servers to v 3.0.2	Major	.	Giridharan Kesavan	Giridharan Kesavan
MAPREDUCE-2132	Need a command line option in RaidShell to fix blocks using raid	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
MAPREDUCE-2147	JobInProgress has some redundant lines in its ctor	Trivial	jobtracker	Harsh J	Harsh J
MAPREDUCE-2126	JobQueueJobInProgressListener's javadoc is inconsistent with source code	Minor	jobtracker	Jingguo Yao	Jingguo Yao
HDFS-1472	Refactor DFSck to allow programmatic access to output	Major	tools	Ramkumar Vadali	Ramkumar Vadali
HADOOP-7005	Update test-patch.sh to remove callback to Hudson master	Major	test	Nigel Daley	Nigel Daley
HADOOP-7007	update the hudson-test-patch target to work with the latest test-patch script.	Major	build	Giridharan Kesavan	Giridharan Kesavan
HADOOP-6985	Suggest that HADOOP_OPTS be preserved in hadoop-env.sh.template	Minor	.	Ramkumar Vadali	Ramkumar Vadali
HADOOP-7010	Typo in FileSystem.java	Minor	fs	Jingguo Yao	Jingguo Yao
HADOOP-7009	MD5Hash provides a public factory method that creates an instance of MessageDigest	Major	io	Hairong Kuang	Hairong Kuang
MAPREDUCE-2150	RaidNode should periodically fix corrupt blocks	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
MAPREDUCE-1818	RaidNode should specify a pool name incase the cluster is using FairScheduler	Minor	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HDFS-1485	Typo in BlockPlacementPolicy.java	Minor	.	Jingguo Yao	Jingguo Yao
HADOOP-7008	Enable test-patch.sh to have a configured number of acceptable findbugs and javadoc warnings	Major	test	Nigel Daley	Giridharan Kesavan
MAPREDUCE-1892	RaidNode can allow layered policies more efficiently	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HADOOP-6818	Provide a JNI-based implementation of GroupMappingServiceProvider	Major	security	Devaraj Das	Devaraj Das
HADOOP-6943	The GroupMappingServiceProvider interface should be public	Major	security	Aaron T. Myers	Aaron T. Myers
HDFS-1457	Limit transmission rate when transfering image between primary and secondary NNs	Major	namenode	Hairong Kuang	Hairong Kuang
HDFS-1035	Generate Eclipse's .classpath file from Ivy config	Major	build	Tom White	Nigel Daley
MAPREDUCE-1592	Generate Eclipse's .classpath file from Ivy config	Major	build	Tom White	Tom White
HADOOP-4675	Current Ganglia metrics implementation is incompatible with Ganglia 3.1	Major	metrics	Brian Bockelman	Brian Bockelman
HADOOP-6977	Herriot daemon clients should vend statistics	Major	test	Konstantin Boudnik	Konstantin Boudnik
MAPREDUCE-2141	Add an "extra data" field to Task for use by Mesos	Minor	.	Matei Zaharia	Matei Zaharia
HDFS-1408	Herriot NN and DN clients should vend statistics	Major	test	Al Thompson	Konstantin Boudnik
MAPREDUCE-2093	Herriot JT and TT clients should vend statistics	Major	test	Konstantin Boudnik	Konstantin Boudnik
MAPREDUCE-2167	Faster directory traversal for raid node	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HADOOP-6903	Make AbstractFileSystem's methods public to allow filter-Fs like implementions in a differnt package than fs	Major	.	Sanjay Radia	Sanjay Radia
HDFS-1160	Improve some FSDataset warnings and comments	Major	datanode	Eli Collins	Eli Collins
HDFS-556	Provide info on failed volumes in the web ui	Major	namenode	Jakob Homan	Eli Collins
HADOOP-7032	Assert type constraints in the FileStatus constructor	Major	fs	Eli Collins	Eli Collins
HADOOP-6562	FileContextSymlinkBaseTest should use FileContextTestHelper	Minor	test	Eli Collins	Eli Collins
HDFS-1491	Update Hdfs to match the change of methods from protected to public in AbstractFileSystem (Hadoop-6903)	Major	.	Sanjay Radia	Sanjay Radia
HDFS-1187	Modify fetchdt to allow renewing and canceling token	Major	security	Owen O'Malley	Owen O'Malley
HDFS-1203	DataNode should sleep before reentering service loop after an exception	Major	datanode	Todd Lipcon	Todd Lipcon
HDFS-1387	Update HDFS permissions guide for security	Major	documentation, security	Todd Lipcon	Todd Lipcon
HDFS-455	Make NN and DN handle in a intuitive way comma-separated configuration strings	Minor	datanode, namenode	Michele Catasta	Michele Catasta
HDFS-1055	Improve thread naming for DataXceivers	Major	datanode	Todd Lipcon	Todd Lipcon
HDFS-718	configuration parameter to prevent accidental formatting of HDFS filesystem	Minor	namenode	Andrew Ryan	Andrew Ryan
MAPREDUCE-1931	Gridmix forrest documentation	Major	contrib/gridmix	rahul k singh	Ranjit Mathew
MAPREDUCE-2184	Port DistRaid.java to new mapreduce API	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HDFS-1513	Fix a number of warnings	Minor	.	Eli Collins	Eli Collins
MAPREDUCE-1783	Task Initialization should be delayed till when a job can be run	Major	contrib/fair-share	Ramkumar Vadali	Ramkumar Vadali
HDFS-895	Allow hflush/sync to occur in parallel with new writes to the file	Major	hdfs-client	dhruba borthakur	Todd Lipcon
MAPREDUCE-1878	Add MRUnit documentation	Major	contrib/mrunit	Aaron Kimball	Aaron Kimball
HADOOP-7054	Change NN LoadGenerator to use the new FileContext api	Major	.	Sanjay Radia	Sanjay Radia
HADOOP-6298	BytesWritable#getBytes is a bad name that leads to programming mistakes	Major	.	Nathan Marz	Owen O'Malley
HADOOP-6578	Configuration should trim whitespace around a lot of value types	Minor	conf	Todd Lipcon	Michele Catasta
HADOOP-6811	Remove EC2 bash scripts	Blocker	.	Tom White	Tom White
HDFS-884	DataNode makeInstance should report the directory list when failing to start up	Minor	datanode	Steve Loughran	Steve Loughran
HADOOP-6056	Use java.net.preferIPv4Stack to force IPv4	Major	scripts	Steve Loughran	Michele Catasta
MAPREDUCE-1382	MRAsyncDiscService should tolerate missing local.dir	Major	.	Scott Chen	Zheng Shao
HADOOP-7110	Implement chmod with JNI	Major	io, native	Todd Lipcon	Todd Lipcon
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
HADOOP-7134	configure files that are generated as part of the released tarball need to have executable bit set	Major	build	Roman Shaposhnik	Roman Shaposhnik
HDFS-1618	configure files that are generated as part of the released tarball need to have executable bit set	Major	build	Roman Shaposhnik	Roman Shaposhnik
MAPREDUCE-2314	configure files that are generated as part of the released tarball need to have executable bit set	Major	build	Roman Shaposhnik	Roman Shaposhnik
MAPREDUCE-1159	Limit Job name on jobtracker.jsp to be 80 char long	Trivial	.	Zheng Shao	Harsh J
HADOOP-7154	Should set MALLOC_ARENA_MAX in hadoop-config.sh	Minor	scripts	Todd Lipcon	Todd Lipcon
HDFS-1736	Break dependency between DatanodeJspHelper and FsShell	Minor	datanode	Daryn Sharp	Daryn Sharp
HADOOP-7177	CodecPool should report which compressor it is using	Trivial	native	Allen Wittenauer	Allen Wittenauer
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-7193	Help message is wrong for touchz command.	Minor	fs	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-2337	Remove dependence of public MapReduce API on classes in server package	Major	.	Tom White	Tom White
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
HADOOP-7244	Documentation change for updated configuration keys	Blocker	documentation	Tom White	Tom White
HDFS-1866	Document dfs.datanode.max.transfer.threads in hdfs-default.xml	Minor	datanode, documentation	Eli Collins	Harsh J
HADOOP-7189	Add ability to enable 'debug' property in JAAS configuration	Minor	security	Todd Lipcon	Ted Yu
MAPREDUCE-2410	document multiple keys per reducer oddity in hadoop streaming FAQ	Minor	contrib/streaming, documentation	Dieter Plaetinck	Harsh J
MAPREDUCE-1626	Publish Javadoc for all contrib packages with user-facing APIs	Major	documentation	Tom White	Jolly Chen
MAPREDUCE-2103	task-controller shouldn't require o-r permissions	Trivial	task-controller	Todd Lipcon	Todd Lipcon
HADOOP-7192	fs -stat docs aren't updated to reflect the format features	Trivial	documentation	Harsh J	Harsh J
HDFS-1947	DFSClient should use mapreduce.task.attempt.id	Trivial	hdfs-client	Eli Collins	Eli Collins
MAPREDUCE-2502	JobSubmitter should use mapreduce.job.maps	Trivial	job submission	Eli Collins	Eli Collins
MAPREDUCE-2505	Explain how to use ACLs in the fair scheduler	Minor	contrib/fair-share, documentation	Matei Zaharia	Matei Zaharia
HDFS-1957	Documentation for HFTP	Minor	documentation	Ari Rabkin	Ari Rabkin
MAPREDUCE-2372	TaskLogAppender mechanism shouldn't be set in log4j.properties	Major	task	Todd Lipcon	Todd Lipcon
HADOOP-7355	Add audience and stability annotations to HttpServer class	Major	.	stack	stack
HADOOP-7335	Force entropy to come from non-true random for tests	Minor	build, test	Todd Lipcon	Todd Lipcon
HDFS-1454	Update the documentation to reflect true client caching strategy	Major	documentation, hdfs-client	Jeff Hammerbacher	Harsh J
HADOOP-7346	Send back nicer error to clients using outdated IPC version	Major	ipc	Todd Lipcon	Todd Lipcon
HDFS-1980	Move build/webapps deeper in directory heirarchy to aid eclipse users	Major	build	Todd Lipcon	Todd Lipcon
HADOOP-7325	hadoop command - do not accept class names starting with a hyphen	Minor	scripts	Brock Noland	Brock Noland
HDFS-2039	TestNameNodeMetrics uses a bad test root path	Major	.	Todd Lipcon	Todd Lipcon
HDFS-1619	Remove AC_TYPE* from the libhdfs	Major	libhdfs	Roman Shaposhnik	Roman Shaposhnik
HDFS-1954	Improve corrupt files warning message on NameNode web UI	Major	namenode	philo vivero	Patrick Hunt
HADOOP-6605	Add JAVA_HOME detection to hadoop-config	Minor	.	Chad Metcalf	Eli Collins
HADOOP-7106	Re-organize hadoop subversion layout	Blocker	build	Nigel Daley	Todd Lipcon
HDFS-941	Datanode xceiver protocol should allow reuse of a connection	Major	datanode, hdfs-client, performance	Todd Lipcon	bc Wong
HDFS-2054	BlockSender.sendChunk() prints ERROR for connection closures encountered during transferToFully()	Minor	datanode	Kihwal Lee	Kihwal Lee
HDFS-2286	DataXceiverServer logs AsynchronousCloseException at shutdown	Trivial	datanode	Todd Lipcon	Todd Lipcon
HADOOP-7457	Remove out-of-date Chinese language documentation	Blocker	documentation	Jakob Homan	Jakob Homan
HDFS-1935	Build should not redownload ivy on every invocation	Minor	build	Todd Lipcon	Joep Rottinghuis
HADOOP-7786	Remove HDFS-specific configuration keys defined in FsConfig	Major	.	Eli Collins	Eli Collins
HADOOP-7358	Improve log levels when exceptions caught in RPC handler	Minor	ipc	Todd Lipcon	Todd Lipcon
HADOOP-7861	changes2html.pl should generate links to HADOOP, HDFS, and MAPREDUCE jiras	Major	documentation	Konstantin Shvachko	Konstantin Shvachko

BUG FIXES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-6344	rm and rmr fail to correctly move the user's files to the trash prior to deleting when they are over quota.	Major	fs	gary murry	Jakob Homan
HDFS-939	libhdfs test is broken	Blocker	libhdfs	Eli Collins	Eli Collins
MAPREDUCE-1707	TaskRunner can get NPE in getting ugi from TaskTracker	Major	tasktracker	Amareshwari Sriramadasu	Vinod Kumar Vavilapalli
HADOOP-6669	zlib.compress.level ignored for DefaultCodec initialization	Minor	io	Koji Noguchi	Koji Noguchi
HADOOP-6702	Incorrect exit codes for "dfs -chown", "dfs -chgrp" when input is given in wildcard format.	Minor	fs	Ravi Phulari	Ravi Phulari
HDFS-1138	Modification times are being overwritten when FSImage loads	Major	.	Dmytro Molkov	Dmytro Molkov
MAPREDUCE-1532	Delegation token is obtained as the superuser	Major	job submission, security	Devaraj Das	Devaraj Das
HADOOP-6763	Remove verbose logging from the Groups class	Major	.	Owen O'Malley	Boris Shkolnik
MAPREDUCE-1558	specify correct server principal for RefreshAuthorizationPolicyProtocol and RefreshUserToGroupMappingsProtocol protocols in MRAdmin (for HADOOP-6612)	Major	security	Boris Shkolnik	Boris Shkolnik
HADOOP-6612	Protocols RefreshUserToGroupMappingsProtocol and RefreshAuthorizationPolicyProtocol will fail with security enabled	Major	security	Boris Shkolnik	Boris Shkolnik
HDFS-1021	specify correct server principal for RefreshAuthorizationPolicyProtocol and RefreshUserToGroupMappingsProtocol protocols in DFSAdmin (for HADOOP-6612)	Major	security	Boris Shkolnik	Boris Shkolnik
HDFS-970	FSImage writing should always fsync before close	Critical	namenode	Todd Lipcon	Todd Lipcon
HADOOP-6781	security audit log shouldn't have exception in it.	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1662	TaskRunner.prepare() and close() can be removed	Major	tasktracker	Amareshwari Sriramadasu	Amareshwari Sriramadasu
MAPREDUCE-1617	TestBadRecords failed once in our test runs	Major	test	Amareshwari Sriramadasu	Luke Lu
HDFS-1112	Edit log buffer should not grow unboundedly	Major	namenode	Hairong Kuang	Hairong Kuang
HADOOP-6778	add isRunning() method to AbstractDelegationTokenSecretManager (for HDFS-1044)	Major	.	Boris Shkolnik	Boris Shkolnik
HDFS-1038	In nn_browsedfscontent.jsp fetch delegation token only if security is enabled.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-6404	Rename the generated artifacts to common instead of core	Blocker	build	Owen O'Malley	Tom White
HADOOP-6747	TestNetUtils fails on Mac OS X	Major	.	Luke Lu	Todd Lipcon
HDFS-1027	Update year to 2010.	Trivial	.	Ravi Phulari	Ravi Phulari
MAPREDUCE-1773	streaming doesn't support jobclient.output.filter	Major	contrib/streaming	Alok Singh	Amareshwari Sriramadasu
HDFS-1039	Service should be set in the token in JspHelper.getUGI	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-1599	MRBench reuses jobConf and credentials there in.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-572	If #link is missing from uri format of -cacheArchive then streaming does not throw error.	Minor	contrib/streaming	Karam Singh	Amareshwari Sriramadasu
HDFS-1019	Incorrect default values for delegation tokens in hdfs-default.xml	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-1146	Javadoc for getDelegationTokenSecretManager in FSNamesystem	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-1836	Refresh for proxy superuser config (mr part for HDFS-1096)	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1505	Cluster class should create the rpc client only when needed	Major	client	Devaraj Das	Dick King
MAPREDUCE-1543	Log messages of JobACLsManager should use security logging of HADOOP-6586	Major	security	Vinod Kumar Vavilapalli	Luke Lu
MAPREDUCE-1533	Reduce or remove usage of String.format() usage in CapacityTaskScheduler.updateQSIObjects and Counters.makeEscapedString()	Major	jobtracker	Rajesh Balamohan	Dick King
HDFS-1198	Resolving cross-realm principals	Major	namenode	Jitendra Nath Pandey	Jitendra Nath Pandey
MAPREDUCE-1813	NPE in PipeMapred.MRErrorThread	Major	contrib/streaming	Amareshwari Sriramadasu	Ravi Gummadi
HADOOP-6620	NPE if renewer is passed as null in getDelegationToken	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-6613	RPC server should check for version mismatch first	Major	ipc, security	Kan Zhang	Kan Zhang
HADOOP-6682	NetUtils:normalizeHostName does not process hostnames starting with [a-f] correctly	Major	io	Jakob Homan	Jakob Homan
HADOOP-6652	ShellBasedUnixGroupsMapping shouldn't have a cache	Major	.	Devaraj Das	Devaraj Das
MAPREDUCE-1853	MultipleOutputs does not cache TaskAttemptContext	Critical	task	Torsten Curdt	Torsten Curdt
HDFS-1141	completeFile does not check lease ownership	Blocker	namenode	Todd Lipcon	Todd Lipcon
MAPREDUCE-1225	TT successfully localizes a task even though the corresponding cache-file has already changed on DFS.	Major	tasktracker	Vinod Kumar Vavilapalli	Zhong Wang
MAPREDUCE-647	Update the DistCp forrest doc to make it consistent with the latest changes (5472, 5620, 5762, 5826)	Major	documentation	Rodrigo Schmidt	Rodrigo Schmidt
MAPREDUCE-1559	The DelegationTokenRenewal timer task should use the jobtracker's credentials to create the filesystem	Major	jobtracker	Devaraj Das	Devaraj Das
HDFS-1118	DFSOutputStream socket leak when cannot connect to DataNode	Major	.	Zheng Shao	Zheng Shao
MAPREDUCE-1880	"java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result." while running "hadoop jar hadoop-0.20.1+169.89-examples.jar pi 4 30"	Minor	examples	Victor Pakhomov	Tsz Wo Nicholas Sze
HADOOP-6815	refreshSuperUserGroupsConfiguration should use server side configuration for the refresh	Major	.	Boris Shkolnik	Boris Shkolnik
HDFS-1017	browsedfs jsp should call JspHelper.getUGI rather than using createRemoteUser()	Major	security	Jakob Homan	Jakob Homan
HDFS-1036	in DelegationTokenFetch dfs.getURI returns no port	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1857	Remove unused streaming configuration from src	Trivial	contrib/streaming	Amareshwari Sriramadasu	Amareshwari Sriramadasu
MAPREDUCE-1887	MRAsyncDiskService does not properly absolutize volume root paths	Major	.	Aaron Kimball	Aaron Kimball
MAPREDUCE-1863	[Rumen] Null failedMapAttemptCDFs in job traces generated by Rumen	Major	tools/rumen	Amar Kamat	Amar Kamat
HDFS-1250	Namenode accepts block report from dead datanodes	Major	namenode	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-1845	FairScheduler.tasksToPeempt() can return negative number	Major	contrib/fair-share	Scott Chen	Scott Chen
MAPREDUCE-1864	PipeMapRed.java has uninitialized members log_ and LOGNAME	Major	contrib/streaming	Amareshwari Sriramadasu	Amareshwari Sriramadasu
HDFS-1145	When NameNode is shutdown it tries to exit safemode	Major	namenode	dhruba borthakur	dhruba borthakur
HADOOP-6756	Clean up and add documentation for configuration keys in CommonConfigurationKeys.java	Major	fs	Erik Steffl	Erik Steffl
HDFS-1163	normalize property names for JT/NN kerberos principal names in configuration (from HADOOP 6633)	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1888	Streaming overrides user given output key and value types.	Major	contrib/streaming	Amareshwari Sriramadasu	Ravi Gummadi
MAPREDUCE-577	Duplicate Mapper input when using StreamXmlRecordReader	Major	contrib/streaming	David Campbell	Ravi Gummadi
MAPREDUCE-1894	DistributedRaidFileSystem.readFully() does not return	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HDFS-1202	DataBlockScanner throws NPE when updated before initialized	Major	datanode	Todd Lipcon	Todd Lipcon
HDFS-1258	Clearing namespace quota on "/" corrupts FS image	Blocker	namenode	Aaron T. Myers	Aaron T. Myers
HDFS-1283	ant eclipse-files has drifted again	Major	build	Jakob Homan	Jakob Homan
MAPREDUCE-1820	InputSampler does not create a deep copy of the key object when creating a sample, which causes problems with some formats like SequenceFile<Text,Text>	Major	.	Alex Kozlov	Alex Kozlov
HADOOP-6853	Common component of HDFS-1045	Major	.	Jakob Homan	Jakob Homan
HDFS-1006	getImage/putImage http requests should be https for the case of security enabled.	Major	.	Boris Shkolnik	Boris Shkolnik
HDFS-1045	In secure clusters, re-login is necessary for https clients before opening connections	Major	security	Jakob Homan	Jakob Homan
MAPREDUCE-1528	TokenStorage should not be static	Major	.	Owen O'Malley	Jitendra Nath Pandey
HDFS-1289	Datanode secure mode is broken	Major	datanode	Kan Zhang	Kan Zhang
HADOOP-6648	Credentials should ignore null tokens	Major	security	Owen O'Malley	Devaraj Das
HDFS-1007	HFTP needs to be updated to use delegation tokens	Major	security	Devaraj Das	Devaraj Das
MAPREDUCE-1865	[Rumen] Rumen should also support jobhistory files generated using trunk	Major	tools/rumen	Amar Kamat	Amar Kamat
MAPREDUCE-1621	Streaming's TextOutputReader.getLastOutput throws NPE if it has never read any output	Major	contrib/streaming	Todd Lipcon	Amareshwari Sriramadasu
HADOOP-6834	TFile.append compares initial key against null lastKey	Major	io	Ahad Rana	Hong Tang
HADOOP-6670	UserGroupInformation doesn't support use in hash tables	Major	security	Owen O'Malley	Owen O'Malley
MAPREDUCE-1911	Fix errors in -info option in streaming	Major	contrib/streaming	Amareshwari Sriramadasu	Amareshwari Sriramadasu
MAPREDUCE-1772	Hadoop streaming doc should not use IdentityMapper as an example	Minor	contrib/streaming, documentation	Marco Nicosia	Amareshwari Sriramadasu
HDFS-1085	hftp read failing silently	Major	datanode	Koji Noguchi	Tsz Wo Nicholas Sze
HADOOP-6536	FileUtil.fullyDelete(dir) behavior is not defined when we pass a symlink as the argument	Major	fs	Amareshwari Sriramadasu	Ravi Gummadi
MAPREDUCE-1566	Need to add a mechanism to import tokens and secrets into a submitted job.	Major	security	Owen O'Malley	Jitendra Nath Pandey
MAPREDUCE-1925	TestRumenJobTraces fails in trunk	Major	tools/rumen	Amareshwari Sriramadasu	Ravi Gummadi
HDFS-1308	job conf key for the services name of DelegationToken for HFTP url is constructed incorrectly in HFTPFileSystem (part of MR-1718)	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1718	job conf key for the services name of DelegationToken for HFTP url is constructed incorrectly in HFTPFileSystem	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1701	AccessControlException while renewing a delegation token in not correctly handled in the JobTracker	Major	jobtracker	Devaraj Das	Boris Shkolnik
HADOOP-6656	Security framework needs to renew Kerberos tickets while the process is running	Major	.	Owen O'Malley	Devaraj Das
HDFS-1044	Cannot submit mapreduce job from secure client to unsecure sever	Major	.	Boris Shkolnik	Boris Shkolnik
HADOOP-6888	Being able to close all cached FileSystem objects for a given UGI	Major	fs, security	Kan Zhang	Kan Zhang
HDFS-1317	HDFSProxy needs additional changes to work after changes to streamFile servlet in HDFS-1109	Major	contrib/hdfsproxy	Rohini Palaniswamy	Rohini Palaniswamy
HADOOP-6873	using delegation token over hftp for long running clients (part of hdfs 1296)	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1686	ClassNotFoundException for custom format classes provided in libjars	Minor	contrib/streaming, test	Paul Burkhardt	Paul Burkhardt
MAPREDUCE-1288	DistributedCache localizes only once per cache URI	Critical	distributed-cache, security, tasktracker	Devaraj Das	Devaraj Das
HDFS-912	sed in build.xml fails	Minor	.	Allen Wittenauer	Allen Wittenauer
HADOOP-6706	Relogin behavior for RPC clients could be improved	Major	security	Devaraj Das	Devaraj Das
MAPREDUCE-1982	[Rumen] TraceBuilder's output shows jobname as NULL for jobhistory files with valid jobnames	Major	tools/rumen	Amar Kamat	Ravi Gummadi
MAPREDUCE-1834	TestSimulatorDeterministicReplay timesout on trunk	Major	contrib/mumak	Amareshwari Sriramadasu	Hong Tang
HDFS-1296	using delegation token over hftp for long running clients (spawn from hdfs-1007).	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1958	using delegation token over hftp for long running clients (part of hdfs 1296)	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-1993	TestTrackerDistributedCacheManagerWithLinuxTaskController fails on trunk	Major	.	Devaraj Das	Devaraj Das
MAPREDUCE-1900	MapReduce daemons should close FileSystems that are not needed anymore	Major	jobtracker, tasktracker	Devaraj Das	Kan Zhang
HDFS-1130	Pass Administrator acl to HTTPServer for common servlet access.	Major	security	Amareshwari Sriramadasu	Devaraj Das
MAPREDUCE-1999	ClientProtocol incorrectly uses hdfs DelegationTokenSelector	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-1334	open in HftpFileSystem does not add delegation tokens to the url.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-6900	FileSystem#listLocatedStatus should not throw generic RuntimeException to indicate error conditions	Major	.	Suresh Srinivas	Hairong Kuang
HADOOP-6715	AccessControlList.toString() returns empty string when we set acl to "*"	Major	security, util	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-1780	AccessControlList.toString() is used for serialization of ACL in JobStatus.java	Major	jobtracker	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-1961	[gridmix3] ConcurrentModificationException when shutting down Gridmix	Major	contrib/gridmix	Hong Tang	Hong Tang
MAPREDUCE-2000	Rumen is not able to extract counters for Job history logs from Hadoop 0.20	Major	tools/rumen	Hong Tang	Hong Tang
MAPREDUCE-1992	NPE in JobTracker's constructor	Major	jobtracker	Ravi Gummadi	Kan Zhang
HDFS-1301	TestHDFSProxy need to use server side conf for ProxyUser stuff.	Major	.	Boris Shkolnik	Boris Shkolnik
HDFS-1340	A null delegation token is appended to the url if security is disabled when browsing filesystem.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-6885	Fix java doc warnings in Groups and RefreshUserMappingsProtocol	Major	security	Eli Collins	Eli Collins
HADOOP-6482	GenericOptionsParser constructor that takes Options and String[] ignores options	Minor	util	Chris Wilkes	Eli Collins
HDFS-1347	TestDelegationToken uses mortbay.log for logging	Major	test	Boris Shkolnik	Boris Shkolnik
HADOOP-6906	FileContext copy() utility doesn't work with recursive copying of directories.	Major	fs	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HDFS-1157	Modifications introduced by HDFS-1150 are breaking aspect's bindings	Major	test	Konstantin Boudnik	Konstantin Boudnik
MAPREDUCE-2022	trunk build broken	Blocker	test	Amareshwari Sriramadasu	Amareshwari Sriramadasu
HDFS-1349	Remove empty java files	Major	.	Tom White	Eli Collins
HADOOP-6925	BZip2Codec incorrectly implements read()	Critical	io	Todd Lipcon	Todd Lipcon
HDFS-1352	Fix jsvc.location	Major	build	Eli Collins	Eli Collins
HADOOP-6833	IPC leaks call parameters when exceptions thrown	Blocker	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-1670	RAID should avoid policies that scan their own destination path	Major	contrib/raid	Rodrigo Schmidt	Ramkumar Vadali
MAPREDUCE-1668	RaidNode should only Har a directory if all its parity files have been created	Major	contrib/raid	Rodrigo Schmidt	Ramkumar Vadali
HADOOP-6932	Namenode start (init) fails because of invalid kerberos key, even when security set to "simple"	Major	.	Boris Shkolnik	Boris Shkolnik
HADOOP-6913	Circular initialization between UserGroupInformation and KerberosName	Major	security	Kan Zhang	Kan Zhang
HADOOP-6907	Rpc client doesn't use the per-connection conf to figure out server's Kerberos principal	Major	ipc, security	Kan Zhang	Kan Zhang
MAPREDUCE-2021	CombineFileInputFormat returns duplicate hostnames in split locations	Major	client	Amareshwari Sriramadasu	Amareshwari Sriramadasu
MAPREDUCE-1375	TestFileArgs fails intermittently	Major	contrib/streaming, test	Amar Kamat	Todd Lipcon
MAPREDUCE-2023	TestDFSIO read test may not read specified bytes.	Major	benchmarks	Hong Tang	Hong Tang
HDFS-1284	TestBlockToken fails	Major	test	Konstantin Shvachko	Kan Zhang
HADOOP-6938	ConnectionId.getRemotePrincipal() should check if security is enabled	Major	ipc, security	Kan Zhang	Kan Zhang
HDFS-1355	ant veryclean (clean-cache) doesn't clean enough	Major	build	Luke Lu	Luke Lu
MAPREDUCE-2031	TestTaskLauncher and TestTaskTrackerLocalization fail with NPE in trunk.	Major	tasktracker, test	Amareshwari Sriramadasu	Ravi Gummadi
MAPREDUCE-1975	gridmix shows unnecessary InterruptedException	Major	contrib/gridmix	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-1597	combinefileinputformat does not work with non-splittable files	Major	.	Namit Jain	Amareshwari Sriramadasu
HDFS-829	hdfsJniHelper.c: #include <error.h> is not portable	Major	.	Allen Wittenauer	Allen Wittenauer
HADOOP-6930	AvroRpcEngine doesn't work with generated Avro code	Major	ipc	Sharad Agarwal	Sharad Agarwal
HDFS-1361	Add -fileStatus operation to NNThroughputBenchmark	Major	.	Konstantin Shvachko	Konstantin Shvachko
MAPREDUCE-2032	TestJobOutputCommitter fails in ant test run	Major	task	Amareshwari Sriramadasu	Dick King
HADOOP-6940	RawLocalFileSystem's markSupported method misnamed markSupport	Minor	fs	Tom White	Tom White
HDFS-1357	HFTP traffic served by DataNode shouldn't use service port on NameNode	Major	datanode, security	Kan Zhang	Kan Zhang
MAPREDUCE-1979	"Output directory already exists" error in gridmix when gridmix.output.directory is not defined	Major	contrib/gridmix	Ravi Gummadi	Ravi Gummadi
HADOOP-6922	COMMON part of MAPREDUCE-1664	Major	documentation, security	Ravi Gummadi	Ravi Gummadi
MAPREDUCE-2078	TraceBuilder unable to generate the traces while giving the job history path by globing.	Major	tools/rumen	Vinay Kumar Thota	Amar Kamat
MAPREDUCE-1280	Eclipse Plugin does not work with Eclipse Ganymede (3.4)	Major	.	Aaron Kimball	Alex Kozlov
HDFS-96	HDFS does not support blocks greater than 2GB	Major	.	dhruba borthakur	Patrick Kling
MAPREDUCE-1989	Gridmix3 doesn't emit out proper mesage when user resolver is set and no user list is given	Major	contrib/gridmix	Ravi Gummadi	Ravi Gummadi
HADOOP-6965	Method in UGI to get Kerberos ticket.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HDFS-1364	HFTP client should support relogin from keytab	Major	security	Kan Zhang	Jitendra Nath Pandey
HADOOP-6951	Distinct minicluster services (e.g. NN and JT) overwrite each other's service policies	Major	security	Aaron T. Myers	Aaron T. Myers
HDFS-1399	Distinct minicluster services (e.g. NN and JT) overwrite each other's service policies	Major	security	Aaron T. Myers	Aaron T. Myers
MAPREDUCE-2067	Distinct minicluster services (e.g. NN and JT) overwrite each other's service policies	Major	security	Aaron T. Myers	Aaron T. Myers
MAPREDUCE-2029	DistributedRaidFileSystem not removed from cache on close()	Major	contrib/raid	Paul Yang	Ramkumar Vadali
HDFS-1433	Fix test failures - TestPread and TestFileLimit	Major	test	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-2082	Race condition in writing the jobtoken password file when launching pipes jobs	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-6989	TestSetFile is failing on trunk	Major	.	Jakob Homan	Chris Douglas
HDFS-1440	TestComputeInvalidateWork fails intermittently	Major	test	Suresh Srinivas	Suresh Srinivas
HADOOP-6984	NPE from SequenceFile::Writer.CompressionCodecOption	Minor	io	Chris Douglas	Chris Douglas
HADOOP-6993	Broken link on cluster setup page of docs	Major	documentation	Aaron T. Myers	Eli Collins
HADOOP-6933	TestListFiles is flaky	Minor	test	Todd Lipcon	Todd Lipcon
HDFS-1192	refreshSuperUserGroupsConfiguration should use server side configuration for the refresh (for HADOOP-6815)	Major	.	Boris Shkolnik	Boris Shkolnik
MAPREDUCE-2095	Gridmix unable to run for compressed traces(.gz format).	Major	contrib/gridmix	Vinay Kumar Thota	Ranjit Mathew
MAPREDUCE-1908	DistributedRaidFileSystem does not handle ChecksumException correctly	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
MAPREDUCE-2143	HarFileSystem is not able to handle spaces in its path	Major	harchive	Ramkumar Vadali	Ramkumar Vadali
HADOOP-6947	Kerberos relogin should set refreshKrb5Config to true	Major	security	Todd Lipcon	Todd Lipcon
HADOOP-6724	IPC doesn't properly handle IOEs thrown by socket factory	Major	ipc	Todd Lipcon	Todd Lipcon
MAPREDUCE-1867	Remove unused methods in org.apache.hadoop.streaming.StreamUtil	Minor	contrib/streaming	Amareshwari Sriramadasu	Amareshwari Sriramadasu
HADOOP-7006	hadoop fs -getmerge does not work using codebase from trunk.	Major	fs	Chris Nauroth	Chris Nauroth
MAPREDUCE-2146	Raid should not affect access time of a source file	Minor	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HADOOP-6663	BlockDecompressorStream get EOF exception when decompressing the file compressed from empty file	Major	io	Kang Xiao	Kang Xiao
HADOOP-6991	SequenceFile::Reader discards length for files, does not call openFile	Minor	.	Chris Douglas	Chris Douglas
MAPREDUCE-2099	RaidNode should recreate outdated parity HARs	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HADOOP-7011	KerberosName.main(...) throws NPE	Major	.	Aaron T. Myers	Aaron T. Myers
HADOOP-6975	integer overflow in S3InputStream for blocks > 2GB	Major	.	Patrick Kling	Patrick Kling
HADOOP-6758	MapFile.fix does not allow index interval definition	Major	.	Gianmarco De Francisci Morales	Gianmarco De Francisci Morales
HADOOP-6926	SocketInputStream incorrectly implements read()	Minor	io	Todd Lipcon	Todd Lipcon
MAPREDUCE-2173	Race condition in TestBlockFixer causes intermittent failure	Major	.	Patrick Kling	Patrick Kling
MAPREDUCE-2179	RaidBlockSender.java compilation fails	Blocker	contrib/raid	Giridharan Kesavan	Ramkumar Vadali
HDFS-1164	TestHdfsProxy is failing	Major	contrib/hdfsproxy	Eli Collins	Todd Lipcon
HADOOP-6899	RawLocalFileSystem#setWorkingDir() does not work for relative names	Major	fs	Sanjay Radia	Sanjay Radia
HDFS-727	bug setting block size hdfsOpenFile	Blocker	libhdfs	Eli Collins	Eli Collins
HDFS-1498	FSDirectory#unprotectedConcat calls setModificationTime on a file	Minor	namenode	Eli Collins	Eli Collins
HDFS-1466	TestFcHdfsSymlink relies on /tmp/test not existing	Minor	test	Todd Lipcon	Eli Collins
MAPREDUCE-1784	IFile should check for null compressor	Minor	.	Eli Collins	Eli Collins
HDFS-1500	TestOfflineImageViewer failing on trunk	Major	test, tools	Todd Lipcon	Todd Lipcon
HDFS-874	TestHDFSFileContextMainOperations fails on weirdly configured DNS hosts	Major	hdfs-client, test	Todd Lipcon	Todd Lipcon
HADOOP-7028	ant eclipse does not include requisite ant.jar in the classpath	Minor	build	Patrick Angeles	Patrick Angeles
HDFS-1483	DFSClient.getBlockLocations returns BlockLocations with no indication that the corresponding blocks are corrupt	Major	hdfs-client	Patrick Kling	Patrick Kling
HDFS-1507	TestAbandonBlock should abandon a block	Minor	test	Eli Collins	Eli Collins
HDFS-1487	FSDirectory.removeBlock() should update diskspace count of the block owner node	Major	namenode	Zhong Wang	Zhong Wang
HDFS-1001	DataXceiver and BlockReader disagree on when to send/recv CHECKSUM_OK	Minor	datanode	bc Wong	bc Wong
MAPREDUCE-2195	New property for local conf directory in system-test-mapreduce.xml file.	Major	test	Konstantin Boudnik	Konstantin Boudnik
HDFS-1467	Append pipeline never succeeds with more than one replica	Blocker	datanode	Todd Lipcon	Todd Lipcon
MAPREDUCE-2200	TestUmbilicalProtocolWithJobToken is failing without Krb evironment: needs to be conditional	Major	test	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
HDFS-1502	TestBlockRecovery triggers NPE in assert	Minor	.	Eli Collins	Hairong Kuang
HDFS-1532	Exclude Findbugs warning in FSImageFormat$Saver	Major	test	Todd Lipcon	Todd Lipcon
HDFS-1527	SocketOutputStream.transferToFully fails for blocks >= 2GB on 32 bit JVM	Major	datanode	Patrick Kling	Patrick Kling
HDFS-1531	Clean up stack traces due to duplicate MXBean registration	Trivial	datanode, namenode	Todd Lipcon	Todd Lipcon
HDFS-613	TestBalancer and TestBlockTokenWithDFS fail Balancer assert	Major	test	Konstantin Shvachko	Todd Lipcon
HDFS-1377	Quota bug for partial blocks allows quotas to be violated	Blocker	namenode	Eli Collins	Eli Collins
HADOOP-7038	saveVersion script includes an additional \r while running whoami under windows	Minor	build	Wang Xu	Wang Xu
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
MAPREDUCE-2224	Synchronization bugs in JvmManager	Critical	tasktracker	Todd Lipcon	Todd Lipcon
MAPREDUCE-714	JobConf.findContainingJar unescapes unnecessarily on Linux	Major	.	Todd Lipcon	Todd Lipcon
HDFS-1550	NPE when listing a file with no location	Blocker	hdfs-client	Hairong Kuang	Hairong Kuang
HADOOP-7082	Configuration.writeXML should not hold lock while outputting	Critical	conf	Todd Lipcon	Todd Lipcon
HADOOP-7070	JAAS configuration should delegate unknown application names to pre-existing configuration	Critical	security	Todd Lipcon	Todd Lipcon
MAPREDUCE-2096	Secure local filesystem IO from symlink vulnerabilities	Blocker	jobtracker, security, tasktracker	Todd Lipcon	Todd Lipcon
HDFS-1542	Deadlock in Configuration.writeXml when serialized form is larger than one DFS block	Critical	hdfs-client	Todd Lipcon	Todd Lipcon
MAPREDUCE-2219	JT should not try to remove mapred.system.dir during startup	Major	jobtracker	Todd Lipcon	Todd Lipcon
HDFS-1504	FSImageSaver should catch all exceptions, not just IOE	Minor	namenode	Todd Lipcon	Todd Lipcon
HADOOP-7091	reloginFromKeytab() should happen even if TGT can't be found	Major	security	Kan Zhang	Kan Zhang
MAPREDUCE-2084	Deprecated org.apache.hadoop.util package in MapReduce produces deprecations in Common classes in Eclipse	Blocker	documentation	Tom White	Tom White
HADOOP-7087	SequenceFile.createWriter ignores FileSystem parameter	Blocker	io	Todd Lipcon	Todd Lipcon
HADOOP-7100	Build broken by HADOOP-6811	Blocker	build, contrib/cloud	Todd Lipcon	Todd Lipcon
HADOOP-7097	java.library.path missing basedir	Blocker	build, native	Noah Watkins	Noah Watkins
HADOOP-7102	Remove "fs.ramfs.impl" field from core-deafult.xml	Major	conf	Konstantin Shvachko	Konstantin Shvachko
HADOOP-7093	Servlets should default to text/plain	Major	io	Todd Lipcon	Todd Lipcon
HADOOP-7089	Fix link resolution logic in hadoop-config.sh	Minor	scripts	Eli Collins	Eli Collins
HADOOP-7104	Remove unnecessary DNS reverse lookups from RPC layer	Major	ipc, security	Kan Zhang	Kan Zhang
HDFS-1572	Checkpointer should trigger checkpoint with specified period.	Blocker	.	Liyin Liang	Jakob Homan
MAPREDUCE-1085	For tasks, "ulimit -v -1" is being run when user doesn't specify mapred.child.ulimit	Minor	tasktracker	Ravi Gummadi	Todd Lipcon
HDFS-1561	BackupNode listens on default host	Blocker	namenode	Konstantin Shvachko	Konstantin Shvachko
MAPREDUCE-2282	MapReduce tests don't compile following HDFS-1561	Blocker	test	Tom White	Konstantin Shvachko
HADOOP-7046	1 Findbugs warning on trunk and branch-0.22	Blocker	security	Nigel Daley	Po Cheung
MAPREDUCE-2238	Undeletable build directories	Critical	build, test	Eli Collins	Todd Lipcon
MAPREDUCE-2277	TestCapacitySchedulerWithJobTracker fails sometimes	Minor	capacity-sched	Todd Lipcon	Todd Lipcon
HADOOP-7118	NPE in Configuration.writeXml	Blocker	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2253	Servlets should specify content type	Critical	.	Todd Lipcon	Todd Lipcon
HADOOP-7120	200 new Findbugs warnings	Major	test	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2283	TestBlockFixer hangs initializing MiniMRCluster	Blocker	contrib/raid	Nigel Daley	Ramkumar Vadali
HADOOP-7122	Timed out shell commands leak Timer threads	Critical	util	Todd Lipcon	Todd Lipcon
HDFS-1598	ListPathsServlet excludes .*.crc files	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-1754	Replace mapred.persmissions.supergroup with an acl : mapreduce.cluster.administrators	Major	jobtracker	Amareshwari Sriramadasu	Amareshwari Sriramadasu
HADOOP-6812	fs.inmemory.size.mb not listed in conf. Cluster setup page gives wrong advice.	Major	documentation	Edward Capriolo	Chris Douglas
MAPREDUCE-2256	FairScheduler fairshare preemption from multiple pools may preempt all tasks from one pool causing that pool to go below fairshare.	Major	contrib/fair-share	Priyo Mustafi	Priyo Mustafi
HADOOP-7126	TestDFSShell fails in trunk	Major	.	Po Cheung	Po Cheung
MAPREDUCE-2281	Fix javac, javadoc, findbugs warnings	Major	.	Po Cheung	Po Cheung
HDFS-1591	Fix javac, javadoc, findbugs warnings	Major	.	Po Cheung	Po Cheung
HADOOP-6642	Fix javac, javadoc, findbugs warnings	Major	.	Arun C Murthy	Po Cheung
MAPREDUCE-2077	Name clash in the deprecated o.a.h.util.MemoryCalculatorPlugin	Major	.	Luke Lu	Luke Lu
MAPREDUCE-2188	The new API MultithreadedMapper doesn't call the initialize method of the RecordReader	Major	.	Owen O'Malley	Owen O'Malley
HDFS-900	Corrupt replicas are not tracked correctly through block report from DN	Blocker	.	Todd Lipcon	Konstantin Shvachko
HDFS-1529	Incorrect handling of interrupts in waitForAckedSeqno can cause deadlock	Blocker	hdfs-client	Todd Lipcon	Todd Lipcon
MAPREDUCE-1915	IndexCache - getIndexInformation - check reduce index Out Of Bounds	Trivial	tasktracker	Rares Vernica	Priyo Mustafi
MAPREDUCE-1974	FairScheduler can preempt the same task many times	Major	contrib/fair-share	Scott Chen	Scott Chen
MAPREDUCE-2304	TestMRCLI fails when hostname has a hyphen (-)	Minor	test	Priyo Mustafi	Priyo Mustafi
MAPREDUCE-1825	jobqueue_details.jsp and FairSchedulerServelet should not call finishedMaps and finishedReduces when job is not initialized	Major	jobtracker	Amareshwari Sriramadasu	Scott Chen
MAPREDUCE-2285	MiniMRCluster does not start after ant test-patch	Blocker	test	Ramkumar Vadali	Todd Lipcon
HDFS-1597	Batched edit log syncs can reset synctxid throw assertions	Blocker	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2311	TestFairScheduler failing on trunk	Blocker	contrib/fair-share	Todd Lipcon	Scott Chen
MAPREDUCE-2315	javadoc is failing in nightly	Blocker	.	Todd Lipcon	Todd Lipcon
HDFS-1602	NameNode storage failed replica restoration is broken	Major	namenode	Konstantin Boudnik	Boris Shkolnik
HADOOP-7140	IPC Reader threads do not stop when server stops	Critical	.	Todd Lipcon	Todd Lipcon
HADOOP-7094	hadoop.css got lost during project split	Blocker	build	Todd Lipcon	Konstantin Boudnik
HADOOP-7145	Configuration.getLocalPath should trim whitespace from the provided directories	Major	.	Todd Lipcon	Todd Lipcon
HADOOP-6970	SecurityAuth.audit should be generated under /build	Major	build	Konstantin Shvachko	Boris Shkolnik
HDFS-1612	HDFS Design Documentation is outdated	Minor	documentation	Joe Crobak	Joe Crobak
MAPREDUCE-2054	Hierarchical queue implementation broke dynamic queue addition in Dynamic Scheduler	Major	contrib/dynamic-scheduler	Thomas Sandholm	Thomas Sandholm
MAPREDUCE-1996	API: Reducer.reduce() method detail misstatement	Trivial	documentation	Glynn Durham	Harsh J
HDFS-1625	TestDataNodeMXBean fails if disk space usage changes during test run	Minor	test	Todd Lipcon	Tsz Wo Nicholas Sze
HADOOP-7162	FsShell: call srcFs.listStatus(src) twice	Minor	fs	Alexey Diomin	Alexey Diomin
MAPREDUCE-2272	Job ACL file should not be executable	Trivial	tasktracker	Todd Lipcon	Harsh J
MAPREDUCE-2251	Remove mapreduce.job.userhistorylocation config	Major	.	Todd Lipcon	Harsh J
HDFS-1665	Balancer sleeps inadequately	Minor	balancer & mover	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2284	TestLocalRunner.testMultiMaps times out	Critical	test	Todd Lipcon	Todd Lipcon
HDFS-1728	SecondaryNameNode.checkpointSize is in byte but not MB.	Minor	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
MAPREDUCE-2336	Tool-related packages should be in the Tool javadoc group	Major	documentation	Tom White	Tom White
HADOOP-7156	getpwuid_r is not thread-safe on RHEL6	Critical	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2394	JUnit output format doesn't propagate into some contrib builds	Blocker	.	Todd Lipcon	Todd Lipcon
MAPREDUCE-2392	TaskTracker shutdown in the tests sometimes take 60s	Major	.	Tom White	Tom White
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-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
HDFS-1189	Quota counts missed between clear quota and set quota	Major	namenode	Kang Xiao	John George
HADOOP-6898	FileSystem.copyToLocal creates files with 777 permissions	Blocker	fs, security	Todd Lipcon	Aaron T. Myers
MAPREDUCE-2437	SLive should process only part* files while generating the report.	Blocker	test	Konstantin Shvachko	Konstantin Shvachko
HDFS-1821	FileContext.createSymlink with kerberos enabled sets wrong owner	Major	.	John George	John George
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
MAPREDUCE-2317	HadoopArchives throwing NullPointerException while creating hadoop archives (.har files)	Minor	harchive	Devaraj K	Devaraj K
MAPREDUCE-2448	NoSuchMethodError: org.apache.hadoop.hdfs.TestDatanodeBlockScanner.corruptReplica(..)	Minor	contrib/raid, test	Tsz Wo Nicholas Sze	Eli Collins
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-1822	Editlog opcodes overlap between 20 security and later releases	Blocker	namenode	Suresh Srinivas	Suresh Srinivas
MAPREDUCE-2445	TestMiniMRWithDFSWithDistinctUsers is very broken	Major	security, test	Todd Lipcon	Todd Lipcon
HADOOP-7184	Remove deprecated local.cache.size from core-default.xml	Major	documentation, filecache	Todd Lipcon	Todd Lipcon
MAPREDUCE-2457	job submission should inject group.name (on the JT side)	Critical	jobtracker	Alejandro Abdelnur	Alejandro Abdelnur
HDFS-1850	DN should transmit absolute failed volume count rather than increments to the NN	Major	datanode, namenode	Eli Collins	Eli Collins
MAPREDUCE-2472	Extra whitespace in mapred.child.java.opts breaks JVM initialization	Major	task-controller	Todd Lipcon	Aaron T. Myers
HADOOP-7245	FsConfig should use constants in CommonConfigurationKeys	Major	.	Tom White	Tom White
HDFS-671	Documentation change for updated configuration keys.	Blocker	.	Jitendra Nath Pandey	Tom White
HADOOP-7183	WritableComparator.get should not cache comparator objects	Blocker	.	Todd Lipcon	Tom White
HDFS-1891	TestBackupNode fails intermittently	Major	test	Suresh Srinivas	Suresh Srinivas
HDFS-1909	TestHDFSCLI fails due to typo in expected output	Major	.	Tom White	Tom White
HADOOP-7068	Ivy resolve force mode should be turned off by default	Major	.	Luke Lu	Luke Lu
HDFS-1544	Ivy resolve force mode should be turned off by default	Major	.	Luke Lu	Luke Lu
MAPREDUCE-2222	Ivy resolve force mode should be turned off by default	Major	.	Luke Lu	Luke Lu
HDFS-1615	seek() on closed DFS input stream throws NPE	Major	.	Todd Lipcon	Scott Carey
HDFS-1897	Documention refers to removed option dfs.network.script	Minor	documentation	Ari Rabkin	Andrew Whang
MAPREDUCE-2486	0.22 - snapshot incorrect dependency published in .pom files	Blocker	.	Dmitriy V. Ryaboy	Todd Lipcon
MAPREDUCE-869	Documentation for config to set map/reduce task environment	Major	documentation, task	Arun C Murthy	Alejandro Abdelnur
HDFS-1621	Fix references to hadoop-common-${version} in build.xml	Major	.	Todd Lipcon	Jolly Chen
MAPREDUCE-2327	MapTask doesn't need to put username information in SpillRecord	Blocker	.	Todd Lipcon	Todd Lipcon
HADOOP-7296	The FsPermission(FsPermission) constructor does not use the sticky bit	Minor	fs	Siddharth Seth	Siddharth Seth
HDFS-1505	saveNamespace appears to succeed even if all directories fail to save	Blocker	.	Todd Lipcon	Aaron T. Myers
HADOOP-7300	Configuration methods that return collections are inconsistent about mutability	Major	conf	Todd Lipcon	Todd Lipcon
HDFS-1925	SafeModeInfo should use DFS_NAMENODE_SAFEMODE_THRESHOLD_PCT_DEFAULT instead of 0.95	Major	.	Konstantin Shvachko	Joey Echeverria
MAPREDUCE-2515	MapReduce references obsolete options	Major	jobtracker	Ari Rabkin	Ari Rabkin
HDFS-1575	viewing block from web UI broken	Blocker	.	Todd Lipcon	Aaron T. Myers
HADOOP-7302	webinterface.private.actions should not be in common	Major	documentation	Ari Rabkin	Ari Rabkin
MAPREDUCE-2516	option to control sensitive web actions	Minor	.	Ari Rabkin	Ari Rabkin
HDFS-1932	Ensure that HDFS configuration deprecations are set up in every spot that HDFS configurations are loaded.	Critical	.	Todd Lipcon	Jolly Chen
HDFS-1921	Save namespace can cause NN to be unable to come up on restart	Blocker	.	Aaron T. Myers	Matt Foley
HADOOP-7318	MD5Hash factory should reset the digester it returns	Critical	io	Todd Lipcon	Todd Lipcon
HDFS-1978	All but first option in LIBHDFS_OPTS is ignored	Major	libhdfs	Brock Noland	Eli Collins
HADOOP-7287	Configuration deprecation mechanism doesn't work properly for GenericOptionsParser/Tools	Blocker	conf	Todd Lipcon	Aaron T. Myers
HDFS-1965	IPCs done using block token-based tickets can't reuse connections	Critical	security	Todd Lipcon	Todd Lipcon
HDFS-1964	Incorrect HTML unescaping in DatanodeJspHelper.java	Major	.	Aaron T. Myers	Aaron T. Myers
HADOOP-7146	RPC server leaks file descriptors	Major	.	Todd Lipcon	Todd Lipcon
HDFS-2000	Missing deprecation for io.bytes.per.checksum	Major	.	Aaron T. Myers	Aaron T. Myers
HADOOP-7312	core-default.xml lists configuration version as 0.21	Minor	conf	Todd Lipcon	Harsh J
HDFS-977	DataNode.createInterDataNodeProtocolProxy() guards a log at the wrong level	Trivial	datanode	Steve Loughran	Harsh J
HADOOP-7121	Exceptions while serializing IPC call response are not handled well	Critical	ipc	Todd Lipcon	Todd Lipcon
HDFS-1936	Updating the layout version from HDFS-1822 causes upgrade problems.	Blocker	namenode	Suresh Srinivas	Suresh Srinivas
HADOOP-7351	Regression: HttpServer#getWebAppsPath used to be protected so subclasses could supply alternate webapps path but it was made private by HADOOP-6461	Major	.	stack	stack
HADOOP-7349	HADOOP-7121 accidentally disabled some tests	Major	ipc, test	Todd Lipcon	Todd Lipcon
HDFS-1969	Running rollback on new-version namenode destroys namespace	Blocker	namenode	Todd Lipcon	Todd Lipcon
MAPREDUCE-2487	ChainReducer uses MAPPER_BY_VALUE instead of REDUCER_BY_VALUE	Minor	.	Forrest Vines	Devaraj K
MAPREDUCE-2571	CombineFileInputFormat.getSplits throws a java.lang.ArrayStoreException	Blocker	.	Bochun Bai	Bochun Bai
HDFS-1786	Some cli test cases expect a "null" message	Minor	test	Tsz Wo Nicholas Sze	Uma Maheswara Rao G
HDFS-1409	The "register" method of the BackupNode class should be "UnsupportedActionException("register")"	Trivial	namenode	Ching-Shen Chen	Ching-Shen Chen
HDFS-988	saveNamespace race can corrupt the edits log	Blocker	namenode	dhruba borthakur	Eli Collins
HDFS-2071	Use of isConnected() in DataXceiver is invalid	Minor	datanode	Kihwal Lee	Kihwal Lee
HADOOP-7390	VersionInfo not generated properly in git after unsplit	Minor	build	Thomas Graves	Todd Lipcon
HDFS-1952	FSEditLog.open() appears to succeed even if all EDITS directories fail	Major	.	Matt Foley	Andrew
HADOOP-7252	JUnit shows up as a compile time dependency	Minor	build, conf, test	Pony	Harsh J
HDFS-1981	When namenode goes down while checkpointing and if is started again subsequent Checkpointing is always failing	Blocker	namenode	ramkrishna.s.vasudevan	Uma Maheswara Rao G
MAPREDUCE-2127	mapreduce trunk builds are failing on hudson	Major	build, pipes	Giridharan Kesavan	Bruno Mahé
HDFS-2211	Build does not pass along properties to contrib builds	Blocker	build	Joep Rottinghuis	Joep Rottinghuis
HADOOP-7513	mvn-deploy target fails	Major	build	Joep Rottinghuis	Joep Rottinghuis
HADOOP-7514	Build fails with ClassCastException when running both mvn-install and mvn-deploy targets	Minor	build	Joep Rottinghuis	Joep Rottinghuis
MAPREDUCE-2753	Generated POMs hardcode dependency on hadoop-common version 0.22.0-SNAPSHOT	Major	build	Joep Rottinghuis	Joep Rottinghuis
MAPREDUCE-2752	Build does not pass along properties to contrib builds	Minor	build	Joep Rottinghuis	Joep Rottinghuis
HDFS-2214	Generated POMs hardcode dependency on hadoop-common version 0.22.0-SNAPSHOT	Major	build	Joep Rottinghuis	Joep Rottinghuis
HADOOP-7577	TT does not start due to backwards compatibility wrt. EventCounter	Minor	metrics	Joep Rottinghuis	Joep Rottinghuis
HDFS-2297	FindBugs OutOfMemoryError	Blocker	build	Joep Rottinghuis	Joep Rottinghuis
HDFS-2258	TestLeaseRecovery2 fails as lease hard limit is not reset to default	Major	namenode, test	Konstantin Shvachko	Konstantin Shvachko
MAPREDUCE-2767	Remove Linux task-controller from 0.22 branch	Blocker	security	Milind Bhandarkar	Milind Bhandarkar
HDFS-2189	guava-r09 dependency missing from "ivy/hadoop-hdfs-template.xml" in HDFS.	Blocker	.	Plamen Jeliazkov	Joep Rottinghuis
HDFS-2315	Build fails with ant 1.7.0 but works with 1.8.0	Blocker	build	Joep Rottinghuis	Joep Rottinghuis
HDFS-2281	NPE in checkpoint during processIOError()	Major	namenode	Konstantin Shvachko	Uma Maheswara Rao G
HDFS-2280	BackupNode fails with MD5 checksum Exception during checkpoint if BN's image is outdated.	Major	namenode	Konstantin Shvachko	Konstantin Shvachko
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-2940	Build fails with ant 1.7.0 but works with 1.8.0	Major	build	Joep Rottinghuis	Joep Rottinghuis
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-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-2271	startJournalSpool should invoke ProcessIOError with failed storage directories if createEditLogFile throws any exception.	Major	namenode	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-2341	Contribs not building	Blocker	build	Joep Rottinghuis	Joep Rottinghuis
MAPREDUCE-3025	Contribs not building	Blocker	build	Joep Rottinghuis	Joep Rottinghuis
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-3026	When user adds hierarchical queues to the cluster, mapred queue -list returns NULL Pointer Exception	Major	jobtracker	Mayank Bansal	Mayank Bansal
HDFS-2343	Make hdfs use same version of avro as HBase	Blocker	hdfs-client	Joep Rottinghuis	Joep Rottinghuis
HADOOP-7646	Make hadoop-common use same version of avro as HBase	Major	io, ipc	Joep Rottinghuis	Joep Rottinghuis
MAPREDUCE-3039	Make mapreduce use same version of avro as HBase	Major	capacity-sched, contrib/fair-share, contrib/gridmix, contrib/mrunit, contrib/mumak, contrib/raid, contrib/streaming, jobhistoryserver	Joep Rottinghuis	Joep Rottinghuis
MAPREDUCE-3088	Clover 2.4.3 breaks build for 0.22 branch	Major	build	Konstantin Shvachko	Konstantin Shvachko
HADOOP-7697	Remove dependency on different version of slf4j in avro	Major	build	Konstantin Shvachko	Konstantin Shvachko
HDFS-2388	Remove dependency on different version of slf4j in avro	Major	build	Konstantin Shvachko	Konstantin Shvachko
HDFS-2383	TestDfsOverAvroRpc is failing on 0.22	Blocker	test	Konstantin Shvachko	Konstantin Shvachko
MAPREDUCE-2779	JobSplitWriter.java can't handle large job.split file	Major	job submission	Ming Ma	Ming Ma
MAPREDUCE-3138	Allow for applications to deal with MAPREDUCE-954	Blocker	client, mrv2	Arun C Murthy	Owen O'Malley
MAPREDUCE-2531	org.apache.hadoop.mapred.jobcontrol.getAssignedJobID throw class cast exception	Blocker	client	Robert Joseph Evans	Robert Joseph Evans
MAPREDUCE-3151	Contrib tests failing	Major	contrib/vertica	Joep Rottinghuis	Joep Rottinghuis
HDFS-2012	Recurring failure of TestBalancer due to incorrect treatment of nodes whose utilization equals avgUtilization.	Blocker	balancer & mover, test	Aaron T. Myers	Uma Maheswara Rao G
HDFS-2452	OutOfMemoryError in DataXceiverServer takes down the DataNode	Major	datanode	Konstantin Shvachko	Uma Maheswara Rao G
HDFS-2491	TestBalancer can fail when datanode utilization and avgUtilization is exactly same.	Major	.	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-2002	Incorrect computation of needed blocks in getTurnOffTip()	Major	namenode	Konstantin Shvachko	Plamen Jeliazkov
MAPREDUCE-3139	SlivePartitioner generates negative partitions	Major	test	Konstantin Shvachko	Jakob Homan
MAPREDUCE-1118	Capacity Scheduler scheduling information is hard to read / should be tabular format	Major	capacity-sched	Allen Wittenauer	Krishna Ramachandran
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-7450	Bump jetty to 6.1.26	Blocker	build	Jitendra Nath Pandey	Konstantin Boudnik
MAPREDUCE-3429	Few contrib tests are failing because of the missing commons-lang dependency	Major	capacity-sched, contrib/gridmix	Konstantin Boudnik	Konstantin Boudnik
HDFS-2573	TestFiDataXceiverServer is failing, not testing OOME	Major	datanode, test	Konstantin Shvachko	Konstantin Boudnik
HDFS-2514	Link resolution bug for intermediate symlinks with relative targets	Major	namenode	Eli Collins	Eli Collins
MAPREDUCE-2059	RecoveryManager attempts to add jobtracker.info	Major	jobtracker	Dan Adkins	Subroto Sanyal
HDFS-2287	TestParallelRead has a small off-by-one bug	Trivial	test	Todd Lipcon	Todd Lipcon
MAPREDUCE-3438	TestRaidNode fails because of "Too many open files"	Major	contrib/raid	Konstantin Shvachko	Ramkumar Vadali
HADOOP-6496	HttpServer sends wrong content-type for CSS files (and others)	Minor	.	Lars Francke	Ivan Mitic

TESTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-1092	Enable asserts for tests by default	Major	test	Eli Collins	Eli Collins
HDFS-1132	Refactor TestFileStatus	Minor	test	Eli Collins	Eli Collins
HADOOP-6803	Add native gzip read/write coverage to TestCodec	Major	io	Eli Collins	Eli Collins
HADOOP-6934	test for ByteWritable comparator	Major	record	Johannes Zillmann	Johannes Zillmann
HDFS-1310	TestFileConcurrentReader fails	Major	hdfs-client	Suresh Srinivas	sam rash
MAPREDUCE-2051	Contribute a fair scheduler preemption system test	Major	contrib/fair-share	Todd Lipcon	Todd Lipcon
MAPREDUCE-2034	TestSubmitJob triggers NPE instead of permissions error	Trivial	test	Todd Lipcon	Todd Lipcon
MAPREDUCE-2073	TestTrackerDistributedCacheManager should be up-front about requirements on build environment	Trivial	distributed-cache, test	Todd Lipcon	Todd Lipcon
HADOOP-7024	Create a test method for adding file systems during tests.	Major	test	Kan Zhang	Kan Zhang
HDFS-696	Java assertion failures triggered by tests	Major	test	Eli Collins	Eli Collins
HADOOP-7034	Add TestPath tests to cover dot, dot dot, and slash normalization	Major	fs	Eli Collins	Eli Collins
HDFS-697	Enable asserts for tests by default	Major	.	Eli Collins	Eli Collins
MAPREDUCE-2180	Add coverage of fair scheduler servlet to system test	Minor	contrib/fair-share	Todd Lipcon	Todd Lipcon
HDFS-982	TestDelegationToken#testDelegationTokenWithRealUser is failing	Blocker	contrib/hdfsproxy, security	Eli Collins	Po Cheung
HDFS-981	test-contrib fails due to test-cactus failure	Blocker	contrib/hdfsproxy	Eli Collins	Konstantin Boudnik
MAPREDUCE-2241	ClusterWithLinuxTaskController should accept relative path on the command line	Trivial	task-controller, test	Todd Lipcon	Todd Lipcon
HDFS-1855	TestDatanodeBlockScanner.testBlockCorruptionRecoveryPolicy() part 2 fails in two different ways	Major	test	Matt Foley	Matt Foley
HDFS-1562	Add rack policy tests	Major	namenode, test	Eli Collins	Eli Collins
HADOOP-7298	Add test utility for writing multi-threaded tests	Major	test	Todd Lipcon	Todd Lipcon
HDFS-1762	Allow TestHDFSCLI to be run against a cluster	Major	build, test	Tom White	Konstantin Boudnik
MAPREDUCE-3156	Allow TestMRCLI to be run against a cluster	Major	test	Konstantin Boudnik	Konstantin Boudnik
HADOOP-7783	Add more symlink tests that cover intermediate links	Major	fs	Eli Collins	Eli Collins

SUB-TASKS:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-927	Cleanup of task-logs should happen in TaskTracker instead of the Child	Major	security, tasktracker	Vinod Kumar Vavilapalli	Amareshwari Sriramadasu
HDFS-1119	Refactor BlocksMap with GettableSet	Major	namenode	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-1057	Concurrent readers hit ChecksumExceptions if following a writer to very end of file	Blocker	datanode	Todd Lipcon	sam rash
HDFS-1319	Fix location of re-login for secondary namenode from HDFS-999	Major	namenode	Jakob Homan	Jakob Homan
MAPREDUCE-1970	Reed-Solomon code implementation to be used in raid	Major	contrib/raid	Scott Chen	Scott Chen
HDFS-1462	Refactor edit log loading to a separate class from edit log writing	Major	namenode	Todd Lipcon	Todd Lipcon
HDFS-1071	savenamespace should write the fsimage to all configured fs.name.dir in parallel	Major	namenode	dhruba borthakur	Dmytro Molkov
HDFS-259	Remove intentionally corrupt 0.13 directory layout creation	Major	.	Todd Lipcon	Todd Lipcon
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
MAPREDUCE-2234	If Localizer can't create task log directory, it should fail on the spot	Major	tasktracker	Todd Lipcon	Todd Lipcon
HDFS-1997	Image transfer process misreports client side exceptions	Major	namenode	Todd Lipcon	Todd Lipcon

OTHER:

JIRA	Summary	Priority	Component	Reporter	Contributor
HDFS-712	Move libhdfs from mr to hdfs	Major	libhdfs	Eli Collins	Eli Collins
MAPREDUCE-231	Split map/reduce into sub-project	Major	.	Owen O'Malley	Owen O'Malley
MAPREDUCE-2142	Refactor RaidNode to remove dependence on map reduce	Major	.	Patrick Kling	Patrick Kling
MAPREDUCE-2169	Integrated Reed-Solomon code with RaidNode	Major	contrib/raid	Ramkumar Vadali	Ramkumar Vadali
HDFS-1167	New property for local conf directory in system-test-hdfs.xml file.	Major	test	Vinay Kumar Thota	Vinay Kumar Thota
MAPREDUCE-2383	Improve documentation of DistributedCache methods	Major	distributed-cache, documentation	Todd Lipcon	Harsh J
HDFS-1946	HDFS part of HADOOP-7291	Major	.	Eli Collins	Eli Collins
HADOOP-7291	Update Hudson job not to run test-contrib	Major	.	Eli Collins	Eli Collins
HADOOP-6846	Scripts for building Hadoop 0.22.0 release	Major	build	Tom White	Tom White
HADOOP-7283	Include 32-bit and 64-bit native libraries in Jenkins tarball builds	Blocker	build	Tom White	Tom White
HDFS-1948	Forward port 'hdfs-1520 lightweight namenode operation to trigger lease reccovery'	Major	.	stack	stack
MAPREDUCE-2939	Ant setup on hadoop7 jenkins host	Major	build	Joep Rottinghuis	Joep Rottinghuis
HDFS-2513	Bump jetty to 6.1.26	Major	build	Konstantin Boudnik	Konstantin Boudnik
MAPREDUCE-3311	Bump jetty to 6.1.26	Major	build	Konstantin Boudnik	Konstantin Boudnik