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Apache Hadoop Changelog

Release 2.9.0 - 2017-11-17

INCOMPATIBLE CHANGES:

JIRA	Summary	Priority	Component	Reporter	Contributor
YARN-4784	Fairscheduler: defaultQueueSchedulingPolicy should not accept FIFO	Major	fairscheduler	Yufei Gu	Yufei Gu
HADOOP-13588	ConfServlet should respect Accept request header	Major	conf	Weiwei Yang	Weiwei Yang
MAPREDUCE-6776	yarn.app.mapreduce.client.job.max-retries should have a more useful default	Major	client	Daniel Templeton	Miklos Szegedi
YARN-5388	Deprecate and remove DockerContainerExecutor	Critical	nodemanager	Daniel Templeton	Daniel Templeton
HADOOP-12705	Upgrade Jackson 2.2.3 to 2.7.8	Major	build	Steve Loughran	Sean Mackrory
HADOOP-13050	Upgrade to AWS SDK 1.11.45	Blocker	build, fs/s3	Steve Loughran	Steve Loughran
HADOOP-13119	Add ability to secure log servlet using proxy users	Major	.	Jeffrey E Rodriguez	Yuanbo Liu
HADOOP-14174	Set default ADLS access token provider type to ClientCredential	Major	fs/adl	John Zhuge	John Zhuge
HDFS-11402	HDFS Snapshots should capture point-in-time copies of OPEN files	Major	hdfs	Manoj Govindassamy	Manoj Govindassamy
YARN-2962	ZKRMStateStore: Limit the number of znodes under a znode	Critical	resourcemanager	Karthik Kambatla	Varun Saxena
HADOOP-14419	Remove findbugs report from docs profile	Minor	.	Andras Bokor	Andras Bokor
YARN-6127	Add support for work preserving NM restart when AMRMProxy is enabled	Major	amrmproxy, nodemanager	Subru Krishnan	Botong Huang
HADOOP-14539	Move commons logging APIs over to slf4j in hadoop-common	Major	.	Akira Ajisaka	Wenxin He
HADOOP-14260	Configuration.dumpConfiguration should redact sensitive information	Major	conf, security	Vihang Karajgaonkar	John Zhuge
YARN-6623	Add support to turn off launching privileged containers in the container-executor	Blocker	nodemanager	Varun Vasudev	Varun Vasudev
YARN-5049	Extend NMStateStore to save queued container information	Major	nodemanager, resourcemanager	Konstantinos Karanasos	Arun Suresh

NEW FEATURES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-12321	Make JvmPauseMonitor an AbstractService	Major	.	Steve Loughran	Sunil Govindan
HDFS-9525	hadoop utilities need to support provided delegation tokens	Blocker	security	Allen Wittenauer	Heesoo Kim
HADOOP-12702	Add an HDFS metrics sink	Major	metrics	Daniel Templeton	Daniel Templeton
HADOOP-12847	hadoop daemonlog should support https and SPNEGO for Kerberized cluster	Major	security	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-2928	YARN Timeline Service v.2: alpha 1	Critical	timelineserver	Sangjin Lee	Sangjin Lee
MAPREDUCE-6331	[Umbrella] Make MapReduce work with Timeline Service Nextgen (YARN-2928)	Major	.	Vinod Kumar Vavilapalli	Sangjin Lee
HADOOP-12747	support wildcard in libjars argument	Major	util	Sangjin Lee	Sangjin Lee
MAPREDUCE-6690	Limit the number of resources a single map reduce job can submit for localization	Major	.	Chris Trezzo	Chris Trezzo
HADOOP-13396	Allow pluggable audit loggers in KMS	Major	kms	Xiao Chen	Xiao Chen
HDFS-9820	Improve distcp to support efficient restore to an earlier snapshot	Major	distcp	Yongjun Zhang	Yongjun Zhang
YARN-4597	Introduce ContainerScheduler and a SCHEDULED state to NodeManager container lifecycle	Major	nodemanager	Chris Douglas	Arun Suresh
HADOOP-13578	Add Codec for ZStandard Compression	Major	.	churro morales	churro morales
HADOOP-13933	Add haadmin -getAllServiceState option to get the HA state of all the NameNodes/ResourceManagers	Major	tools	Surendra Singh Lilhore	Surendra Singh Lilhore
YARN-5910	Support for multi-cluster delegation tokens	Minor	security	Clay B.	Jian He
YARN-5864	YARN Capacity Scheduler - Queue Priorities	Major	.	Wangda Tan	Wangda Tan
HDFS-11194	Maintain aggregated peer performance metrics on NameNode	Major	namenode	Xiaobing Zhou	Arpit Agarwal
MAPREDUCE-6871	Allow users to specify racks and nodes for strict locality for AMs	Major	client	Robert Kanter	Robert Kanter
HDFS-11417	Add datanode admin command to get the storage info.	Major	.	Surendra Singh Lilhore	Surendra Singh Lilhore
YARN-679	add an entry point that can start any Yarn service	Major	api	Steve Loughran	Steve Loughran
HDFS-10480	Add an admin command to list currently open files	Major	.	Kihwal Lee	Manoj Govindassamy
YARN-4161	Capacity Scheduler : Assign single or multiple containers per heart beat driven by configuration	Major	capacity scheduler	Mayank Bansal	Wei Yan
YARN-5355	YARN Timeline Service v.2: alpha 2	Critical	timelineserver	Sangjin Lee	Vrushali C
HADOOP-13345	S3Guard: Improved Consistency for S3A	Major	fs/s3	Chris Nauroth	Chris Nauroth
HDFS-7877	[Umbrella] Support maintenance state for datanodes	Major	datanode, namenode	Ming Ma	Ming Ma
YARN-2915	Enable YARN RM scale out via federation using multiple RM's	Major	nodemanager, resourcemanager	Sriram Rao	Subru Krishnan
YARN-1492	truly shared cache for jars (jobjar/libjar)	Major	.	Sangjin Lee	Chris Trezzo
HDFS-10467	Router-based HDFS federation	Major	fs	Íñigo Goiri	Íñigo Goiri
YARN-5734	OrgQueue for easy CapacityScheduler queue configuration management	Major	.	Min Shen	Min Shen
MAPREDUCE-5951	Add support for the YARN Shared Cache	Major	.	Chris Trezzo	Chris Trezzo
YARN-6871	Add additional deSelects params in RMWebServices#getAppReport	Major	resourcemanager, router	Giovanni Matteo Fumarola	Tanuj Nayak
MAPREDUCE-6732	mapreduce tasks for YARN Timeline Service v.2: alpha 2	Major	.	Sangjin Lee	Vrushali C
HADOOP-14840	Tool to estimate resource requirements of an application pipeline based on prior executions	Major	tools	Subru Krishnan	Rui Li
YARN-3813	Support Application timeout feature in YARN.	Major	scheduler	nijel	Rohith Sharma K S
YARN-2877	Extend YARN to support distributed scheduling	Major	nodemanager, resourcemanager	Sriram Rao	Konstantinos Karanasos
YARN-5220	Scheduling of OPPORTUNISTIC containers through YARN RM	Major	resourcemanager	Konstantinos Karanasos	Konstantinos Karanasos

IMPROVEMENTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
YARN-2280	Resource manager web service fields are not accessible	Trivial	resourcemanager	Krisztian Horvath	Krisztian Horvath
HDFS-9267	TestDiskError should get stored replicas through FsDatasetTestUtils.	Minor	test	Lei (Eddy) Xu	Lei (Eddy) Xu
HDFS-9491	Tests should get the number of pending async delets via FsDatasetTestUtils	Minor	test	Tony Wu	Tony Wu
HADOOP-12625	Add a config to disable the /logs endpoints	Major	security	Robert Kanter	Robert Kanter
YARN-4341	add doc about timeline performance tool usage	Major	.	Chang Li	Chang Li
HDFS-9281	Change TestDeleteBlockPool to not explicitly use File to check block pool existence.	Minor	test	Lei (Eddy) Xu	Lei (Eddy) Xu
HDFS-8477	describe dfs.ha.zkfc.port in hdfs-default.xml	Minor	.	Kanaka Kumar Avvaru	Kanaka Kumar Avvaru
HDFS-9350	Avoid creating temprorary strings in Block.toString() and getBlockName()	Minor	performance	Staffan Friberg	Staffan Friberg
HADOOP-12566	Add NullGroupMapping	Major	.	Daniel Templeton	Daniel Templeton
YARN-2934	Improve handling of container's stderr	Critical	.	Gera Shegalov	Naganarasimha G R
HADOOP-12663	Remove Hard-Coded Values From FileSystem.java	Trivial	fs	BELUGA BEHR	BELUGA BEHR
HADOOP-12683	Add number of samples in last interval in snapshot of MutableStat	Minor	metrics	Vikram Srivastava	Vikram Srivastava
HADOOP-8887	Use a Maven plugin to build the native code using CMake	Minor	build	Colin P. McCabe	Colin P. McCabe
HADOOP-12713	Disable spurious checkstyle checks	Major	.	Andrew Wang	Andrew Wang
HADOOP-12662	The build should fail if a -Dbundle option fails	Minor	.	Kai Zheng	Kai Zheng
HDFS-9576	HTrace: collect position/length information on read operations	Major	hdfs-client, tracing	Zhe Zhang	Zhe Zhang
YARN-4603	FairScheduler should mention user requested queuename in error message when failed in queue ACL check	Trivial	fairscheduler	Tao Jie	Tao Jie
HDFS-9674	The HTrace span for OpWriteBlock should record the maxWriteToDisk time	Major	datanode, tracing	Colin P. McCabe	Colin P. McCabe
YARN-4496	Improve HA ResourceManager Failover detection on the client	Major	client, resourcemanager	Arun Suresh	Jian He
YARN-3542	Re-factor support for CPU as a resource using the new ResourceHandler mechanism	Critical	nodemanager	Sidharta Seethana	Varun Vasudev
HDFS-9541	Add hdfsStreamBuilder API to libhdfs to support defaultBlockSizes greater than 2 GB	Major	libhdfs	Colin P. McCabe	Colin P. McCabe
YARN-4462	FairScheduler: Disallow preemption from a queue	Major	fairscheduler	Tao Jie	Tao Jie
HDFS-9677	Rename generationStampV1/generationStampV2 to legacyGenerationStamp/generationStamp	Minor	namenode	Jing Zhao	Mingliang Liu
MAPREDUCE-6431	JobClient should be an AutoClosable	Major	.	André Kelpe	Haibo Chen
HDFS-7764	DirectoryScanner shouldn't abort the scan if one directory had an error	Major	datanode	Rakesh R	Rakesh R
YARN-4647	Make RegisterNodeManagerRequestPBImpl thread-safe	Major	nodemanager	Karthik Kambatla	Karthik Kambatla
YARN-4649	Add additional logging to some NM state store operations	Minor	.	Sidharta Seethana	Sidharta Seethana
HADOOP-12759	RollingFileSystemSink should eagerly rotate directories	Critical	.	Daniel Templeton	Daniel Templeton
YARN-4628	Display application priority in yarn top	Minor	.	Bibin A Chundatt	Bibin A Chundatt
YARN-4655	Log uncaught exceptions/errors in various thread pools in YARN	Major	.	Sidharta Seethana	Sidharta Seethana
HDFS-9637	Tests for RollingFileSystemSink	Major	test	Daniel Templeton	Daniel Templeton
YARN-4569	Remove incorrect part of maxResources in FairScheduler documentation	Major	documentation	Ray Chiang	Ray Chiang
MAPREDUCE-6634	Log uncaught exceptions/errors in various thread pools in mapreduce	Major	.	Sidharta Seethana	Sidharta Seethana
HADOOP-12817	Enable TLS v1.1 and 1.2	Major	security	Robert Kanter	Robert Kanter
MAPREDUCE-6627	Add machine-readable output to mapred job -history command	Major	client	Robert Kanter	Robert Kanter
YARN-4708	Missing default mapper type in TimelineServer performance test tool usage	Minor	timelineserver	Kai Sasaki	Kai Sasaki
HADOOP-12829	StatisticsDataReferenceCleaner swallows interrupt exceptions	Minor	fs	Gregory Chanan	Gregory Chanan
MAPREDUCE-6640	mapred job -history command should be able to take Job ID	Major	client	Robert Kanter	Robert Kanter
YARN-4697	NM aggregation thread pool is not bound by limits	Critical	nodemanager	Haibo Chen	Haibo Chen
YARN-4579	Allow DefaultContainerExecutor container log directory permissions to be configurable	Major	yarn	Ray Chiang	Ray Chiang
HADOOP-12841	Update s3-related properties in core-default.xml	Minor	fs/s3	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-4718	Rename variables in SchedulerNode to reduce ambiguity post YARN-1011	Major	scheduler	Karthik Kambatla	Íñigo Goiri
HDFS-9521	TransferFsImage.receiveFile should account and log separate times for image download and fsync to disk	Minor	.	Wellington Chevreuil	Wellington Chevreuil
HADOOP-11404	Clarify the "expected client Kerberos principal is null" authorization message	Minor	security	Stephen Chu	Stephen Chu
YARN-4719	Add a helper library to maintain node state and allows common queries	Major	scheduler	Karthik Kambatla	Karthik Kambatla
HDFS-9928	Make HDFS commands guide up to date	Major	documentation	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-4560	Make scheduler error checking message more user friendly	Trivial	yarn	Ray Chiang	Ray Chiang
HDFS-9579	Provide bytes-read-by-network-distance metrics at FileSystem.Statistics level	Major	.	Ming Ma	Ming Ma
YARN-4732	*ProcessTree classes have too many whitespace issues	Trivial	.	Karthik Kambatla	Gabor Liptak
HADOOP-12952	/BUILDING example of zero-docs dist should skip javadocs	Trivial	build, documentation	Steve Loughran	Steve Loughran
YARN-4436	DistShell ApplicationMaster.ExecBatScripStringtPath is misspelled	Trivial	applications/distributed-shell	Daniel Templeton	Matt LaMantia
YARN-4639	Remove dead code in TestDelegationTokenRenewer added in YARN-3055	Trivial	resourcemanager	Daniel Templeton	Daniel Templeton
YARN-4607	Pagination support for AppAttempt page TotalOutstandingResource Requests table	Minor	.	Bibin A Chundatt	Bibin A Chundatt
YARN-4769	Add support for CSRF header in the dump capacity scheduler logs and kill app buttons in RM web UI	Major	.	Varun Vasudev	Varun Vasudev
HADOOP-12984	Add GenericTestUtils.getTestDir method and use it for temporary directory in tests	Major	build, test	Steve Loughran	Steve Loughran
YARN-4541	Change log message in LocalizedResource#handle() to DEBUG	Minor	.	Ray Chiang	Ray Chiang
YARN-1297	FairScheduler: Move some logs to debug and check if debug logging is enabled	Major	fairscheduler	Sandy Ryza	Yufei Gu
YARN-5003	Add container resource to RM audit log	Major	resourcemanager, scheduler	Nathan Roberts	Nathan Roberts
HADOOP-13068	Clean up RunJar and related test class	Trivial	util	Andras Bokor	Andras Bokor
YARN-4577	Enable aux services to have their own custom classpath/jar file	Major	.	Xuan Gong	Xuan Gong
YARN-5053	More informative diagnostics when applications killed by a user	Major	resourcemanager	Jason Lowe	Eric Badger
MAPREDUCE-6686	Add a way to download the job config from the mapred CLI	Major	client	Robert Kanter	Robert Kanter
HADOOP-12782	Faster LDAP group name resolution with ActiveDirectory	Major	security	Wei-Chiu Chuang	Wei-Chiu Chuang
MAPREDUCE-6696	Add a configuration to limit the number of map tasks allowed per job.	Major	job submission	zhihai xu	zhihai xu
YARN-4878	Expose scheduling policy and max running apps over JMX for Yarn queues	Major	yarn	Yufei Gu	Yufei Gu
HDFS-9782	RollingFileSystemSink should have configurable roll interval	Major	.	Daniel Templeton	Daniel Templeton
HADOOP-13160	Suppress checkstyle JavadocPackage check for test source	Minor	.	John Zhuge	John Zhuge
YARN-4766	NM should not aggregate logs older than the retention policy	Major	log-aggregation, nodemanager	Haibo Chen	Haibo Chen
HADOOP-13197	Add non-decayed call metrics for DecayRpcScheduler	Major	ipc, metrics	Xiaoyu Yao	Xiaoyu Yao
HADOOP-12291	Add support for nested groups in LdapGroupsMapping	Major	security	Gautam Gopalakrishnan	Esther Kundin
HDFS-7541	Upgrade Domains in HDFS	Major	.	Ming Ma	Ming Ma
HDFS-10256	Use GenericTestUtils.getTestDir method in tests for temporary directories	Major	build, test	Vinayakumar B	Vinayakumar B
YARN-5083	YARN CLI for AM logs does not give any error message if entered invalid am value	Major	yarn	Sumana Sathish	Jian He
YARN-5082	Limit ContainerId increase in fair scheduler if the num of node app reserved reached the limit	Major	.	sandflee	sandflee
YARN-4958	The file localization process should allow for wildcards to reduce the application footprint in the state store	Critical	nodemanager	Daniel Templeton	Daniel Templeton
MAPREDUCE-6719	The list of -libjars archives should be replaced with a wildcard in the distributed cache to reduce the application footprint in the state store	Critical	distributed-cache	Daniel Templeton	Daniel Templeton
MAPREDUCE-6721	mapreduce.reduce.shuffle.memory.limit.percent=0.0 should be legal to enforce shuffle to disk	Major	mrv2, task	Gera Shegalov	Gera Shegalov
HADOOP-13034	Log message about input options in distcp lacks some items	Minor	tools/distcp	Takashi Ohnishi	Takashi Ohnishi
HDFS-10568	Reuse ObjectMapper instance in CombinedHostsFileReader and CombinedHostsFileWriter	Major	hdfs-client	Yiqun Lin	Yiqun Lin
HADOOP-13337	Update maven-enforcer-plugin version to 1.4.1	Major	build	Tsuyoshi Ozawa	Tsuyoshi Ozawa
YARN-4568	Fix message when NodeManager runs into errors initializing the recovery directory	Major	yarn	Ray Chiang	Ray Chiang
MAPREDUCE-6717	Remove deprecated StringUtils.getFormattedTimeWithDiff	Minor	.	Akira Ajisaka	Shen Yinjie
HDFS-10387	DataTransferProtocol#writeBlock missing some javadocs	Minor	datanode, hdfs	Yongjun Zhang	John Zhuge
YARN-5339	passing file to -out for YARN log CLI doesnt give warning or error code	Major	.	Sumana Sathish	Xuan Gong
YARN-5303	Clean up ContainerExecutor JavaDoc	Minor	nodemanager	Daniel Templeton	Daniel Templeton
MAPREDUCE-6652	Add configuration property to prevent JHS from loading jobs with a task count greater than X	Major	jobhistoryserver	Haibo Chen	Haibo Chen
YARN-5181	ClusterNodeTracker: add method to get list of nodes matching a specific resourceName	Major	scheduler	Karthik Kambatla	Karthik Kambatla
YARN-4996	Make TestNMReconnect.testCompareRMNodeAfterReconnect() scheduler agnostic, or better yet parameterized	Minor	resourcemanager, test	Daniel Templeton	Kai Sasaki
MAPREDUCE-6365	Refactor JobResourceUploader#uploadFilesInternal	Minor	.	Chris Trezzo	Chris Trezzo
HADOOP-13354	Update WASB driver to use the latest version (4.2.0) of SDK for Microsoft Azure Storage Clients	Major	fs/azure	Sivaguru Sankaridurg	Sivaguru Sankaridurg
YARN-5460	Change container runtime type logging in DelegatingLinuxContainerRuntime to debug	Trivial	yarn	Shane Kumpf	Shane Kumpf
HADOOP-13458	LoadBalancingKMSClientProvider#doOp should log IOException stacktrace	Trivial	kms	Wei-Chiu Chuang	Chen Liang
MAPREDUCE-6748	Enhance logging for Cluster.java around InetSocketAddress	Minor	.	sarun singla	Vrushali C
YARN-4910	Fix incomplete log info in ResourceLocalizationService	Trivial	.	Jun Gong	Jun Gong
HADOOP-13380	TestBasicDiskValidator should not write data to /tmp	Minor	.	Lei (Eddy) Xu	Yufei Gu
MAPREDUCE-6751	Add debug log message when splitting is not possible due to unsplittable compression	Minor	client, mrv1, mrv2	Peter Vary	Peter Vary
YARN-5455	Update Javadocs for LinuxContainerExecutor	Major	nodemanager	Daniel Templeton	Daniel Templeton
YARN-4702	FairScheduler: Allow setting maxResources for ad hoc queues	Major	fairscheduler	Karthik Kambatla	Daniel Templeton
HDFS-10645	Make block report size as a metric and add this metric to datanode web ui	Major	datanode, ui	Yuanbo Liu	Yuanbo Liu
YARN-4491	yarn list command to support filtering by tags	Minor	client	Steve Loughran	Varun Saxena
HDFS-10784	Implement WebHdfsFileSystem#listStatusIterator	Major	webhdfs	Andrew Wang	Andrew Wang
HDFS-10822	Log DataNodes in the write pipeline	Trivial	hdfs-client	John Zhuge	John Zhuge
YARN-5616	Clean up WeightAdjuster	Major	fairscheduler	Yufei Gu	Yufei Gu
HDFS-10778	Add -format option to make the output of FileDistribution processor human-readable in OfflineImageViewer	Major	tools	Yiqun Lin	Yiqun Lin
HDFS-10847	Complete the document for FileDistribution processor in OfflineImageViewer	Minor	documentation	Yiqun Lin	Yiqun Lin
HDFS-10837	Standardize serializiation of WebHDFS DirectoryListing	Major	webhdfs	Andrew Wang	Andrew Wang
HADOOP-13411	Checkstyle suppression by annotation or comment	Minor	.	John Zhuge	John Zhuge
HADOOP-13412	Move dev-support/checkstyle/suppressions.xml to hadoop-build-tools	Trivial	.	John Zhuge	John Zhuge
HDFS-10823	Implement HttpFSFileSystem#listStatusIterator	Major	httpfs	Andrew Wang	Andrew Wang
MAPREDUCE-6632	Master.getMasterAddress() should be updated to use YARN-4629	Minor	applicationmaster	Daniel Templeton	Daniel Templeton
YARN-5400	Light cleanup in ZKRMStateStore	Trivial	resourcemanager	Daniel Templeton	Daniel Templeton
MAPREDUCE-6718	add progress log to JHS during startup	Minor	jobhistoryserver	Haibo Chen	Haibo Chen
MAPREDUCE-6638	Do not attempt to recover progress from previous job attempts if spill encryption is enabled	Major	applicationmaster	Karthik Kambatla	Haibo Chen
HADOOP-13628	Support to retrieve specific property from configuration via REST API	Major	conf	Weiwei Yang	Weiwei Yang
HDFS-10683	Make class Token$PrivateToken private	Minor	.	John Zhuge	John Zhuge
HADOOP-13688	Stop bundling HTML source code in javadoc JARs	Major	build	Andrew Wang	Andrew Wang
YARN-5551	Ignore file backed pages from memory computation when smaps is enabled	Minor	.	Rajesh Balamohan	Rajesh Balamohan
YARN-5466	DefaultContainerExecutor needs JavaDocs	Minor	nodemanager	Daniel Templeton	Daniel Templeton
HADOOP-13522	Add %A and %a formats for fs -stat command to print permissions	Major	fs	Alex Garbarini	Alex Garbarini
HADOOP-13737	Cleanup DiskChecker interface	Major	util	Arpit Agarwal	Arpit Agarwal
HADOOP-13702	Add a new instrumented read-write lock	Major	common	Jingcheng Du	Jingcheng Du
MAPREDUCE-6792	Allow user's full principal name as owner of MapReduce staging directory in JobSubmissionFiles#JobStagingDir()	Major	client	Santhosh G Nayak	Santhosh G Nayak
YARN-5575	Many classes use bare yarn. properties instead of the defined constants	Major	.	Daniel Templeton	Daniel Templeton
HDFS-11049	The description of dfs.block.replicator.classname is not clear	Minor	documentation	Yiqun Lin	Yiqun Lin
HDFS-11069	Tighten the authorization of datanode RPC	Major	datanode, security	Kihwal Lee	Kihwal Lee
YARN-4456	Clean up Lint warnings in nodemanager	Minor	nodemanager	Daniel Templeton	Daniel Templeton
YARN-4668	Reuse objectMapper instance in Yarn	Major	timelineclient	Yiqun Lin	Yiqun Lin
YARN-4907	Make all MockRM#waitForState consistent.	Major	resourcemanager	Yufei Gu	Yufei Gu
YARN-4396	Log the trace information on FSAppAttempt#assignContainer	Major	applications, fairscheduler	Yiqun Lin	Yiqun Lin
HDFS-11088	Quash unnecessary safemode WARN message during NameNode startup	Trivial	.	Andrew Wang	Yiqun Lin
YARN-4998	Minor cleanup to UGI use in AdminService	Trivial	resourcemanager	Daniel Templeton	Daniel Templeton
HDFS-10756	Expose getTrashRoot to HTTPFS and WebHDFS	Major	encryption, httpfs, webhdfs	Xiao Chen	Yuanbo Liu
YARN-5356	NodeManager should communicate physical resource capability to ResourceManager	Major	nodemanager, resourcemanager	Nathan Roberts	Íñigo Goiri
HADOOP-13802	Make generic options help more consistent, and aligned	Minor	.	Grant Sohn	Grant Sohn
HDFS-9482	Replace DatanodeInfo constructors with a builder pattern	Major	.	Brahma Reddy Battula	Brahma Reddy Battula
HADOOP-13687	Provide a unified dependency artifact that transitively includes the cloud storage modules shipped with Hadoop.	Major	build	Chris Nauroth	Chris Nauroth
YARN-5552	Add Builder methods for common yarn API records	Major	.	Arun Suresh	Tao Jie
YARN-4033	In FairScheduler, parent queues should also display queue status	Major	fairscheduler	Siqi Li	Siqi Li
HADOOP-13427	Eliminate needless uses of FileSystem#{exists(), isFile(), isDirectory()}	Major	fs	Steve Loughran	Mingliang Liu
YARN-5375	invoke MockRM#drainEvents implicitly in MockRM methods to reduce test failures	Major	resourcemanager	sandflee	sandflee
YARN-5722	FairScheduler hides group resolution exceptions when assigning queue	Major	fairscheduler	Wilfred Spiegelenburg	Wilfred Spiegelenburg
HADOOP-11552	Allow handoff on the server side for RPC requests	Major	ipc	Siddharth Seth	Siddharth Seth
HADOOP-13605	Clean up FileSystem javadocs, logging; improve diagnostics on FS load	Major	fs	Steve Loughran	Steve Loughran
HADOOP-13018	Make Kdiag check whether hadoop.token.files points to existent and valid files	Major	.	Ravi Prakash	Ravi Prakash
YARN-5890	FairScheduler should log information about AM-resource-usage and max-AM-share for queues	Major	fairscheduler	Yufei Gu	Yufei Gu
HDFS-7588	Improve the HDFS Web UI browser to allow chowning / chmoding, creating dirs and uploading files	Major	ui, webhdfs	Ravi Prakash	Ravi Prakash
YARN-4997	Update fair scheduler to use pluggable auth provider	Major	fairscheduler	Daniel Templeton	Tao Jie
MAPREDUCE-6787	Allow job_conf.xml to be downloadable on the job overview page in JHS	Major	jobhistoryserver	Haibo Chen	Haibo Chen
HDFS-11211	Add a time unit to the DataNode client trace format	Minor	datanode	Akira Ajisaka	Jagadesh Kiran N
HDFS-10206	Datanodes not sorted properly by distance when the reader isn't a datanode	Major	.	Ming Ma	Nanda kumar
HADOOP-13709	Ability to clean up subprocesses spawned by Shell when the process exits	Major	.	Eric Badger	Eric Badger
HDFS-10930	Refactor: Wrap Datanode IO related operations	Major	datanode	Xiaoyu Yao	Xiaoyu Yao
HDFS-10959	Adding per disk IO statistics and metrics in DataNode.	Major	datanode	Xiaoyu Yao	Xiaoyu Yao
HDFS-10913	Introduce fault injectors to simulate slow mirrors	Major	datanode, test	Xiaobing Zhou	Xiaobing Zhou
HADOOP-13911	Remove TRUSTSTORE_PASSWORD related scripts from KMS	Minor	kms	Xiao Chen	John Zhuge
HADOOP-13863	Azure: Add a new SAS key mode for WASB.	Major	fs/azure	Dushyanth	Dushyanth
HDFS-10917	Collect peer performance statistics on DataNode.	Major	datanode	Xiaobing Zhou	Xiaobing Zhou
YARN-5969	FairShareComparator: Cache value of getResourceUsage for better performance	Major	fairscheduler	zhangshilong	zhangshilong
HDFS-11279	Cleanup unused DataNode#checkDiskErrorAsync()	Minor	.	Xiaoyu Yao	Hanisha Koneru
YARN-6015	AsyncDispatcher thread name can be set to improved debugging	Major	.	Ajith S	Ajith S
HADOOP-13953	Make FTPFileSystem's data connection mode and transfer mode configurable	Major	fs	Xiao Chen	Xiao Chen
HDFS-11299	Support multiple Datanode File IO hooks	Major	hdfs	Hanisha Koneru	Hanisha Koneru
YARN-5849	Automatically create YARN control group for pre-mounted cgroups	Minor	.	Miklos Szegedi	Miklos Szegedi
HDFS-11339	Support File IO sampling for Datanode IO profiling hooks	Major	datanode	Hanisha Koneru	Hanisha Koneru
HDFS-11274	Datanode should only check the failed volume upon IO errors	Major	datanode	Xiaoyu Yao	Xiaoyu Yao
HDFS-11306	Print remaining edit logs from buffer if edit log can't be rolled.	Major	ha, namenode	Wei-Chiu Chuang	Wei-Chiu Chuang
HADOOP-13496	Include file lengths in Mismatch in length error for distcp	Minor	.	Ted Yu	Ted Yu
YARN-6028	Add document for container metrics	Major	documentation, nodemanager	Weiwei Yang	Weiwei Yang
MAPREDUCE-6728	Give fetchers hint when ShuffleHandler rejects a shuffling connection	Major	mrv2	Haibo Chen	Haibo Chen
HDFS-10534	NameNode WebUI should display DataNode usage histogram	Major	namenode, ui	Zhe Zhang	Kai Sasaki
HADOOP-14003	Make additional KMS tomcat settings configurable	Major	kms	Andrew Wang	Andrew Wang
HDFS-11374	Skip FSync in Test util CreateEditsLog to speed up edit log generation	Minor	hdfs	Hanisha Koneru	Hanisha Koneru
HDFS-9884	Use doxia macro to generate in-page TOC of HDFS site documentation	Major	documentation	Masatake Iwasaki	Masatake Iwasaki
YARN-6131	FairScheduler: Lower update interval for faster tests	Major	fairscheduler	Karthik Kambatla	Karthik Kambatla
YARN-6106	Document FairScheduler 'allowPreemptionFrom' queue property	Minor	fairscheduler	Yufei Gu	Yufei Gu
YARN-4658	Typo in o.a.h.yarn.server.resourcemanager.scheduler.fair.TestFairScheduler comment	Major	.	Daniel Templeton	Udai Kiran Potluri
MAPREDUCE-6644	Use doxia macro to generate in-page TOC of MapReduce site documentation	Major	documentation	Masatake Iwasaki	Masatake Iwasaki
HDFS-11112	Journal Nodes should refuse to format non-empty directories	Major	.	Arpit Agarwal	Yiqun Lin
HADOOP-14050	Add process name to kms process	Minor	kms, scripts	Rushabh S Shah	Rushabh S Shah
HADOOP-14053	Update the link to HTrace SpanReceivers	Minor	documentation	Akira Ajisaka	Yiqun Lin
HADOOP-12097	Allow port range to be specified while starting webapp	Major	.	Varun Saxena	Varun Saxena
MAPREDUCE-6404	Allow AM to specify a port range for starting its webapp	Major	applicationmaster	Varun Saxena	Varun Saxena
MAPREDUCE-6842	Update the links in PiEstimator document	Minor	documentation	Akira Ajisaka	Jung Yoo
HDFS-11390	Add process name to httpfs process	Minor	httpfs, scripts	John Zhuge	Weiwei Yang
HDFS-11409	DatanodeInfo getNetworkLocation and setNetworkLocation shoud use volatile instead of synchronized	Minor	performance	Chen Liang	Chen Liang
YARN-6061	Add an UncaughtExceptionHandler for critical threads in RM	Major	resourcemanager	Yufei Gu	Yufei Gu
YARN-4753	Use doxia macro to generate in-page TOC of YARN site documentation	Major	documentation	Masatake Iwasaki	Masatake Iwasaki
HDFS-11333	Print a user friendly error message when plugins are not found	Minor	namenode	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-6174	Log files pattern should be same for both running and finished container	Major	yarn	Sumana Sathish	Xuan Gong
HDFS-11375	Display the volume storage type in datanode UI	Minor	datanode, ui	Surendra Singh Lilhore	Surendra Singh Lilhore
YARN-6125	The application attempt's diagnostic message should have a maximum size	Critical	resourcemanager	Daniel Templeton	Andras Piros
HDFS-11406	Remove unused getStartInstance and getFinalizeInstance in FSEditLogOp	Trivial	.	Andrew Wang	Alison Yu
HDFS-11438	Fix typo in error message of StoragePolicyAdmin tool	Trivial	.	Alison Yu	Alison Yu
YARN-6194	Cluster capacity in SchedulingPolicy is updated only on allocation file reload	Major	fairscheduler	Karthik Kambatla	Yufei Gu
HADOOP-14097	Remove Java6 specific code from GzipCodec.java	Minor	.	Akira Ajisaka	Elek, Marton
HADOOP-13817	Add a finite shell command timeout to ShellBasedUnixGroupsMapping	Minor	security	Harsh J	Harsh J
HDFS-11295	Check storage remaining instead of node remaining in BlockPlacementPolicyDefault.chooseReplicaToDelete()	Major	namenode	X. Liang	Elek, Marton
HADOOP-14083	KMS should support old SSL clients	Minor	kms	John Zhuge	John Zhuge
HADOOP-14127	Add log4j configuration to enable logging in hadoop-distcp's tests	Minor	test	Xiao Chen	Xiao Chen
HDFS-11466	Change dfs.namenode.write-lock-reporting-threshold-ms default from 1000ms to 5000ms	Major	namenode	Andrew Wang	Andrew Wang
YARN-6189	Improve application status log message when RM restarted when app is in NEW state	Major	.	Yesha Vora	Junping Du
HDFS-11432	Federation : Support fully qualified path for Quota/Snapshot/cacheadmin/cryptoadmin commands	Major	federation	Brahma Reddy Battula	Brahma Reddy Battula
HDFS-11418	HttpFS should support old SSL clients	Minor	httpfs	John Zhuge	John Zhuge
HDFS-11461	DataNode Disk Outlier Detection	Major	hdfs	Hanisha Koneru	Hanisha Koneru
HADOOP-13930	Azure: Add Authorization support to WASB	Major	fs/azure	Dushyanth	Sivaguru Sankaridurg
HDFS-11494	Log message when DN is not selected for block replication	Minor	.	Yiqun Lin	Yiqun Lin
HDFS-8741	Proper error msg to be printed when invalid operation type is given to WebHDFS operations	Minor	webhdfs	Archana T	Surendra Singh Lilhore
HADOOP-14108	CLI MiniCluster: add an option to specify NameNode HTTP port	Minor	.	Takanobu Asanuma	Takanobu Asanuma
HDFS-10838	Last full block report received time for each DN should be easily discoverable	Major	ui	Arpit Agarwal	Surendra Singh Lilhore
HDFS-11477	Simplify file IO profiling configuration	Minor	.	Hanisha Koneru	Hanisha Koneru
YARN-6287	RMCriticalThreadUncaughtExceptionHandler.rmContext should be final	Minor	resourcemanager	Daniel Templeton	Corey Barker
HADOOP-14150	Implement getHomeDirectory() method in NativeAzureFileSystem	Critical	fs/azure	Namit Maheshwari	Santhosh G Nayak
YARN-6300	NULL_UPDATE_REQUESTS is redundant in TestFairScheduler	Minor	.	Daniel Templeton	Yuanbo Liu
YARN-6042	Dump scheduler and queue state information into FairScheduler DEBUG log	Major	fairscheduler	Yufei Gu	Yufei Gu
HDFS-11511	Support Timeout when checking single disk	Major	hdfs	Hanisha Koneru	Hanisha Koneru
HDFS-11517	Expose slow disks via DataNode JMX	Major	hdfs	Hanisha Koneru	Hanisha Koneru
HADOOP-14169	Implement listStatusIterator, listLocatedStatus for ViewFs	Minor	viewfs	Erik Krogen	Erik Krogen
HDFS-11547	Add logs for slow BlockReceiver while writing data to disk	Major	datanode	Xiaobing Zhou	Xiaobing Zhou
MAPREDUCE-6865	Fix typo in javadoc for DistributedCache	Trivial	.	Attila Sasvari	Attila Sasvari
YARN-6309	Fair scheduler docs should have the queue and queuePlacementPolicy elements listed in bold so that they're easier to see	Minor	fairscheduler	Daniel Templeton	esmaeil mirzaee
HADOOP-13945	Azure: Add Kerberos and Delegation token support to WASB client.	Major	fs/azure	Santhosh G Nayak	Santhosh G Nayak
HDFS-11545	Propagate DataNode's slow disks info to the NameNode via Heartbeat	Major	.	Hanisha Koneru	Hanisha Koneru
YARN-6284	hasAlreadyRun should be final in ResourceManager.StandByTransitionRunnable	Major	resourcemanager	Daniel Templeton	Laura Adams
HADOOP-14213	Move Configuration runtime check for hadoop-site.xml to initialization	Major	.	Jonathan Eagles	Jonathan Eagles
HDFS-11534	Add counters for number of blocks in pending IBR	Major	hdfs	Xiaobing Zhou	Xiaobing Zhou
YARN-5956	Refactor ClientRMService to unify error handling across apis	Minor	resourcemanager	Kai Sasaki	Kai Sasaki
YARN-6379	Remove unused argument in ClientRMService	Trivial	.	Kai Sasaki	Kai Sasaki
HADOOP-14233	Delay construction of PreCondition.check failure message in Configuration#set	Major	.	Jonathan Eagles	Jonathan Eagles
HADOOP-14240	Configuration#get return value optimization	Major	.	Jonathan Eagles	Jonathan Eagles
YARN-6339	Improve performance for createAndGetApplicationReport	Major	.	yunjiong zhao	yunjiong zhao
HDFS-11170	Add builder-based create API to FileSystem	Major	.	Sammi Chen	Sammi Chen
YARN-6329	Remove unnecessary TODO comment from AppLogAggregatorImpl.java	Minor	.	Akira Ajisaka	victor bertschinger
HDFS-9705	Refine the behaviour of getFileChecksum when length = 0	Minor	.	Kai Zheng	Sammi Chen
HDFS-11551	Handle SlowDiskReport from DataNode at the NameNode	Major	hdfs	Hanisha Koneru	Hanisha Koneru
HDFS-11603	Improve slow mirror/disk warnings in BlockReceiver	Major	datanode	Arpit Agarwal	Arpit Agarwal
HDFS-11560	Expose slow disks via NameNode JMX	Major	namenode	Hanisha Koneru	Hanisha Koneru
HDFS-9651	All web UIs should include a robots.txt file	Minor	.	Lars Francke	Lars Francke
HDFS-11628	Clarify the behavior of HDFS Mover in documentation	Major	documentation	Xiaobing Zhou	Xiaobing Zhou
YARN-6381	FSAppAttempt has several variables that should be final	Major	fairscheduler	Daniel Templeton	Ameet Zaveri
HDFS-11302	Improve Logging for SSLHostnameVerifier	Major	security	Xiaoyu Yao	Chen Liang
HADOOP-14104	Client should always ask namenode for kms provider path.	Major	kms	Rushabh S Shah	Rushabh S Shah
YARN-5797	Add metrics to the node manager for cleaning the PUBLIC and PRIVATE caches	Major	.	Chris Trezzo	Chris Trezzo
HADOOP-14276	Add a nanosecond API to Time/Timer/FakeTimer	Minor	util	Erik Krogen	Erik Krogen
YARN-6195	Export UsedCapacity and AbsoluteUsedCapacity to JMX	Major	capacityscheduler, metrics, yarn	Benson Qiu	Benson Qiu
HDFS-11558	BPServiceActor thread name is too long	Minor	datanode	Tsz Wo Nicholas Sze	Xiaobing Zhou
HADOOP-14246	Authentication Tokens should use SecureRandom instead of Random and 256 bit secrets	Major	security	Robert Kanter	Robert Kanter
HDFS-11648	Lazy construct the IIP pathname	Major	.	Daryn Sharp	Daryn Sharp
HADOOP-14274	Azure: Simplify Ranger-WASB policy model	Major	fs/azure	Sivaguru Sankaridurg	Sivaguru Sankaridurg
MAPREDUCE-6673	Add a test example job that grows in memory usage over time	Major	test	Karthik Kambatla	Karthik Kambatla
HADOOP-11794	Enable distcp to copy blocks in parallel	Major	tools/distcp	dhruba borthakur	Yongjun Zhang
YARN-6406	Remove SchedulerRequestKeys when no more pending ResourceRequest	Major	.	Arun Suresh	Arun Suresh
HDFS-11634	Optimize BlockIterator when iterating starts in the middle.	Major	.	Konstantin Shvachko	Konstantin Shvachko
HADOOP-14141	Store KMS SSL keystore password in catalina.properties	Minor	kms	John Zhuge	John Zhuge
YARN-6164	Expose Queue Configurations per Node Label through YARN client api	Major	.	Benson Qiu	Benson Qiu
YARN-6392	Add submit time to Application Summary log	Minor	resourcemanager	zhihai xu	zhihai xu
HADOOP-12856	FileUtil.checkDest() and RawLocalFileSystem.mkdirs() to throw stricter IOEs; RawLocalFS contract tests to verify	Minor	fs	Steve Loughran	Steve Loughran
HDFS-11384	Add option for balancer to disperse getBlocks calls to avoid NameNode's rpc.CallQueueLength spike	Major	balancer & mover	yunjiong zhao	Konstantin Shvachko
HDFS-8873	Allow the directoryScanner to be rate-limited	Major	datanode	Nathan Roberts	Daniel Templeton
HDFS-11722	Change Datanode file IO profiling sampling to percentage	Major	hdfs	Hanisha Koneru	Hanisha Koneru
HDFS-11687	Add new public encryption APIs required by Hive	Major	encryption	Andrew Wang	Lei (Eddy) Xu
HADOOP-14383	Implement FileSystem that reads from HTTP / HTTPS endpoints	Major	fs	Haohui Mai	Haohui Mai
YARN-6457	Allow custom SSL configuration to be supplied in WebApps	Major	webapp, yarn	Sanjay M Pujare	Sanjay M Pujare
HADOOP-14216	Improve Configuration XML Parsing Performance	Major	.	Jonathan Eagles	Jonathan Eagles
HDFS-11800	Document output of 'hdfs count -u' should contain PATHNAME	Minor	hdfs	Xiaobing Zhou	Xiaobing Zhou
HADOOP-14413	Add Javadoc comment for jitter parameter on CachingGetSpaceUsed	Trivial	.	Erik Krogen	Erik Krogen
HADOOP-14417	Update default SSL cipher list for KMS	Minor	kms, security	John Zhuge	John Zhuge
HDFS-11816	Update default SSL cipher list for HttpFS	Minor	httpfs, security	John Zhuge	John Zhuge
HDFS-11641	Reduce cost of audit logging by using FileStatus instead of HdfsFileStatus	Major	hdfs	Daryn Sharp	Daryn Sharp
HADOOP-14242	Make KMS Tomcat SSL property sslEnabledProtocols and clientAuth configurable	Major	kms	John Zhuge	John Zhuge
HDFS-11579	Make HttpFS Tomcat SSL property sslEnabledProtocols and clientAuth configurable	Major	httpfs	John Zhuge	John Zhuge
YARN-6493	Print requested node partition in assignContainer logs	Major	.	Jonathan Hung	Jonathan Hung
HADOOP-14407	DistCp - Introduce a configurable copy buffer size	Major	tools/distcp	Omkar Aradhya K S	Omkar Aradhya K S
YARN-6582	FSAppAttempt demand can be updated atomically in updateDemand()	Major	.	Karthik Kambatla	Karthik Kambatla
HDFS-11421	Make WebHDFS' ACLs RegEx configurable	Major	webhdfs	Harsh J	Harsh J
HDFS-11891	DU#refresh should print the path of the directory when an exception is caught	Minor	.	Chen Liang	Chen Liang
HADOOP-14442	Owner support for ranger-wasb integration	Major	fs, fs/azure	Varada Hemeswari	Varada Hemeswari
YARN-6497	Method length of ResourceManager#serviceInit() is too long	Minor	resourcemanager	Yufei Gu	Gergely Novák
HDFS-11383	Intern strings in BlockLocation and ExtendedBlock	Major	.	Misha Dmitriev	Misha Dmitriev
YARN-6208	Improve the log when FinishAppEvent sent to the NodeManager which didn't run the application	Minor	.	Akira Ajisaka	Akira Ajisaka
HADOOP-14440	Add metrics for connections dropped	Major	.	Eric Badger	Eric Badger
HADOOP-14491	Azure has messed doc structure	Major	documentation, fs/azure	Mingliang Liu	Mingliang Liu
HDFS-11914	Add more diagnosis info for fsimage transfer failure.	Major	.	Yongjun Zhang	Yongjun Zhang
HDFS-11840	Log HDFS Mover exception message of exit to its own log	Minor	balancer & mover	LiXin Ge	LiXin Ge
HDFS-11861	ipc.Client.Connection#sendRpcRequest should log request name	Trivial	ipc	John Zhuge	John Zhuge
HADOOP-14465	LdapGroupsMapping - support user and group search base	Major	common, security	Shwetha G S	Shwetha G S
HADOOP-14310	RolloverSignerSecretProvider.LOG should be @VisibleForTesting	Minor	security	Daniel Templeton	Arun Shanmugam Kumar
HDFS-11907	Add metric for time taken by NameNode resource check	Major	.	Chen Liang	Chen Liang
HADOOP-14503	Make RollingAverages a mutable metric	Major	common	Hanisha Koneru	Hanisha Koneru
HADOOP-14506	Add create() contract test that verifies ancestor dir creation	Minor	fs	Aaron Fabbri	Sean Mackrory
HADOOP-14523	OpensslAesCtrCryptoCodec.finalize() holds excessive amounts of memory	Major	.	Misha Dmitriev	Misha Dmitriev
HADOOP-14524	Make CryptoCodec Closeable so it can be cleaned up proactively	Major	.	Xiao Chen	Xiao Chen
HADOOP-14424	Add CRC32C performance test.	Minor	common	LiXin Ge	LiXin Ge
HDFS-11345	Document the configuration key for FSNamesystem lock fairness	Minor	documentation, namenode	Zhe Zhang	Erik Krogen
HDFS-11992	Replace commons-logging APIs with slf4j in FsDatasetImpl	Major	.	Akira Ajisaka	hu xiaodong
HDFS-11993	Add log info when connect to datanode socket address failed	Major	hdfs-client	chencan	chencan
HADOOP-14536	Update azure-storage sdk to version 5.3.0	Major	fs/azure	Mingliang Liu	Georgi Chalakov
YARN-6738	LevelDBCacheTimelineStore should reuse ObjectMapper instances	Major	timelineserver	Zoltan Haindrich	Zoltan Haindrich
HADOOP-14515	Specifically configure zookeeper-related log levels in KMS log4j	Major	kms	Xiao Chen	Xiao Chen
HDFS-11881	NameNode consumes a lot of memory for snapshot diff report generation	Major	hdfs, snapshots	Manoj Govindassamy	Manoj Govindassamy
HADOOP-14611	NetworkTopology.DEFAULT_HOST_LEVEL is unused	Trivial	.	Daniel Templeton	Chen Liang
YARN-6751	Display reserved resources in web UI per queue	Major	fairscheduler, webapp	Abdullah Yousufi	Abdullah Yousufi
HDFS-12042	Lazy initialize AbstractINodeDiffList#diffs for snapshots to reduce memory consumption	Major	.	Misha Dmitriev	Misha Dmitriev
HDFS-12078	Add time unit to the description of property dfs.namenode.stale.datanode.interval in hdfs-default.xml	Minor	documentation, hdfs	Weiwei Yang	Weiwei Yang
YARN-6752	Display reserved resources in web UI per application	Major	fairscheduler	Abdullah Yousufi	Abdullah Yousufi
YARN-6746	SchedulerUtils.checkResourceRequestMatchingNodePartition() is dead code	Minor	scheduler	Daniel Templeton	Deepti Sawhney
YARN-6410	FSContext.scheduler should be final	Minor	fairscheduler	Daniel Templeton	Yeliang Cang
YARN-6764	Simplify the logic in FairScheduler#attemptScheduling	Trivial	fairscheduler	Yufei Gu	Yufei Gu
HADOOP-14443	Azure: Support retry and client side failover for authorization, SASKey and delegation token generation	Major	fs/azure	Santhosh G Nayak	Santhosh G Nayak
HADOOP-14535	wasb: implement high-performance random access and seek of block blobs	Major	fs/azure	Thomas Marquardt	Thomas Marquardt
HADOOP-14629	Improve exception checking in FileContext related JUnit tests	Major	fs, test	Andras Bokor	Andras Bokor
YARN-6689	PlacementRule should be configurable	Major	.	Jonathan Hung	Jonathan Hung
HDFS-12130	Optimizing permission check for getContentSummary	Major	namenode	Chen Liang	Chen Liang
HDFS-12137	DN dataset lock should be fair	Critical	datanode	Daryn Sharp	Daryn Sharp
YARN-6280	Introduce deselect query param to skip ResourceRequest from getApp/getApps REST API	Major	resourcemanager, restapi	Lantao Jin	Lantao Jin
HDFS-12138	Remove redundant 'public' modifiers from BlockCollection	Trivial	namenode	Chen Liang	Chen Liang
HADOOP-14640	Azure: Support affinity for service running on localhost and reuse SPNEGO hadoop.auth cookie for authorization, SASKey and delegation token generation	Major	fs/azure	Santhosh G Nayak	Santhosh G Nayak
YARN-6778	In ResourceWeights, weights and setWeights() should be final	Minor	scheduler	Daniel Templeton	Daniel Templeton
HDFS-12067	Correct dfsadmin commands usage message to reflects IPC port	Major	.	steven-wugang	steven-wugang
HADOOP-14666	Tests use assertTrue(....equals(...)) instead of assertEquals()	Minor	test	Daniel Templeton	Daniel Templeton
HADOOP-14659	UGI getShortUserName does not need to search the Subject	Major	common	Daryn Sharp	Daryn Sharp
YARN-6768	Improve performance of yarn api record toString and fromString	Major	.	Jonathan Eagles	Jonathan Eagles
YARN-6779	DominantResourceFairnessPolicy.DominantResourceFairnessComparator.calculateShares() should be @VisibleForTesting	Trivial	fairscheduler	Daniel Templeton	Yeliang Cang
YARN-6845	Variable scheduler of FSLeafQueue duplicates the one of its parent FSQueue.	Trivial	fairscheduler	Yufei Gu	Yufei Gu
HADOOP-14681	Remove MockitoMaker class	Major	test	Andras Bokor	Andras Bokor
HDFS-12143	Improve performance of getting and removing inode features	Major	namenode	Daryn Sharp	Daryn Sharp
HDFS-12171	Reduce IIP object allocations for inode lookup	Major	namenode	Daryn Sharp	Daryn Sharp
HDFS-12190	Enable 'hdfs dfs -stat' to display access time	Major	hdfs, shell	Yongjun Zhang	Yongjun Zhang
YARN-6864	FSPreemptionThread cleanup for readability	Minor	fairscheduler	Daniel Templeton	Daniel Templeton
YARN-5892	Support user-specific minimum user limit percentage in Capacity Scheduler	Major	capacityscheduler	Eric Payne	Eric Payne
HADOOP-14455	ViewFileSystem#rename should support be supported within same nameservice with different mountpoints	Major	viewfs	Brahma Reddy Battula	Brahma Reddy Battula
HADOOP-14690	RetryInvocationHandler$RetryInfo should override toString()	Minor	.	Akira Ajisaka	Yeliang Cang
HADOOP-14709	Fix checkstyle warnings in ContractTestUtils	Minor	test	Steve Loughran	Thomas Marquardt
MAPREDUCE-6914	Tests use assertTrue(....equals(...)) instead of assertEquals()	Minor	test	Daniel Templeton	Daniel Templeton
YARN-6832	Tests use assertTrue(....equals(...)) instead of assertEquals()	Minor	test	Daniel Templeton	Daniel Templeton
HADOOP-14706	Adding a helper method to determine whether a log is Log4j implement	Minor	util	Wenxin He	Wenxin He
HDFS-12251	Add document for StreamCapabilities	Major	.	Lei (Eddy) Xu	Lei (Eddy) Xu
YARN-6634	[API] Refactor ResourceManager WebServices to make API explicit	Critical	resourcemanager	Subru Krishnan	Giovanni Matteo Fumarola
YARN-6802	Add Max AM Resource and AM Resource Usage to Leaf Queue View in FairScheduler WebUI	Major	fairscheduler	YunFan Zhou	YunFan Zhou
HDFS-12264	DataNode uses a deprecated method IoUtils#cleanup.	Major	.	Ajay Kumar	Ajay Kumar
YARN-6757	Refactor the usage of yarn.nodemanager.linux-container-executor.cgroups.mount-path	Minor	nodemanager	Miklos Szegedi	Miklos Szegedi
YARN-6811	[ATS1.5] All history logs should be kept under its own User Directory.	Major	timelineclient, timelineserver	Rohith Sharma K S	Rohith Sharma K S
YARN-6879	TestLeafQueue.testDRFUserLimits() has commented out code	Trivial	capacity scheduler, test	Daniel Templeton	Angela Wang
MAPREDUCE-6923	Optimize MapReduce Shuffle I/O for small partitions	Major	.	Robert Schmidtke	Robert Schmidtke
YARN-6884	AllocationFileLoaderService.loadQueue() has an if without braces	Trivial	fairscheduler	Daniel Templeton	weiyuan
HADOOP-14627	Support MSI and DeviceCode token provider in ADLS	Major	fs/adl	Atul Sikaria	Atul Sikaria
HADOOP-14741	Refactor curator based ZooKeeper communication into common library	Major	.	Subru Krishnan	Íñigo Goiri
YARN-6917	Queue path is recomputed from scratch on every allocation	Minor	capacityscheduler	Jason Lowe	Eric Payne
HADOOP-14662	Update azure-storage sdk to version 5.4.0	Major	fs/azure	Thomas Marquardt	Thomas Marquardt
YARN-3254	HealthReport should include disk full information	Major	nodemanager	Akira Ajisaka	Suma Shivaprasad
HDFS-12117	HttpFS does not seem to support SNAPSHOT related methods for WebHDFS REST Interface	Major	httpfs	Wellington Chevreuil	Wellington Chevreuil
YARN-7053	Move curator transaction support to ZKCuratorManager	Major	.	Jonathan Hung	Jonathan Hung
HADOOP-14251	Credential provider should handle property key deprecation	Critical	security	John Zhuge	John Zhuge
YARN-7049	FSAppAttempt preemption related fields have confusing names	Major	fairscheduler	Karthik Kambatla	Karthik Kambatla
YARN-6999	Add log about how to solve Error: Could not find or load main class org.apache.hadoop.mapreduce.v2.app.MRAppMaster	Minor	documentation, security	Linlin Zhou	Linlin Zhou
YARN-7037	Optimize data transfer with zero-copy approach for containerlogs REST API in NMWebServices	Major	nodemanager	Tao Yang	Tao Yang
MAPREDUCE-6937	Backport MAPREDUCE-6870 to branch-2 while preserving compatibility	Major	.	Zhe Zhang	Peter Bacsko
YARN-6780	ResourceWeights.toString() cleanup	Minor	scheduler	Daniel Templeton	weiyuan
YARN-5547	NMLeveldbStateStore should be more tolerant of unknown keys	Major	nodemanager	Jason Lowe	Ajith S
HDFS-12182	BlockManager.metaSave does not distinguish between "under replicated" and "missing" blocks	Trivial	hdfs	Wellington Chevreuil	Wellington Chevreuil
HADOOP-14688	Intern strings in KeyVersion and EncryptedKeyVersion	Major	kms	Xiao Chen	Xiao Chen
HADOOP-14827	Allow StopWatch to accept a Timer parameter for tests	Minor	common, test	Erik Krogen	Erik Krogen
HDFS-12131	Add some of the FSNamesystem JMX values as metrics	Minor	hdfs, namenode	Erik Krogen	Erik Krogen
HADOOP-14844	Remove requirement to specify TenantGuid for MSI Token Provider	Major	fs/adl	Atul Sikaria	Atul Sikaria
YARN-6799	Remove the duplicated code in CGroupsHandlerImp.java	Trivial	nodemanager	Yufei Gu	weiyuan
HADOOP-14520	WASB: Block compaction for Azure Block Blobs	Major	fs/azure	Georgi Chalakov	Georgi Chalakov
HADOOP-14839	DistCp log output should contain copied and deleted files and directories	Major	tools/distcp	Konstantin Shaposhnikov	Yiqun Lin
HADOOP-14843	Improve FsPermission symbolic parsing unit test coverage	Minor	fs	Jason Lowe	Bharat Viswanadham
YARN-7057	FSAppAttempt#getResourceUsage doesn't need to consider resources queued for preemption	Major	fairscheduler	Karthik Kambatla	Karthik Kambatla
HADOOP-14864	FSDataInputStream#unbuffer UOE should include stream class name	Minor	fs	John Zhuge	Bharat Viswanadham
HDFS-12441	Suppress UnresolvedPathException in namenode log	Minor	.	Kihwal Lee	Kihwal Lee
HDFS-12472	Add JUNIT timeout to TestBlockStatsMXBean	Minor	.	Lei (Eddy) Xu	Bharat Viswanadham
MAPREDUCE-6958	Shuffle audit logger should log size of shuffle transfer	Minor	.	Jason Lowe	Jason Lowe
HADOOP-7308	Remove unused TaskLogAppender configurations from log4j.properties	Major	conf	Todd Lipcon	Todd Lipcon
HDFS-12496	Make QuorumJournalManager timeout properties configurable	Major	.	Ajay Kumar	Ajay Kumar
YARN-7045	Remove FSLeafQueue#addAppSchedulable	Major	fairscheduler	Yufei Gu	Sen Zhao
HDFS-12530	Processor argument in Offline Image Viewer should be case insensitive	Minor	tools	Hanisha Koneru	Hanisha Koneru
YARN-7240	Add more states and transitions to stabilize the NM Container state machine	Major	.	Arun Suresh	kartheek muthyala
YARN-65	Reduce RM app memory footprint once app has completed	Major	resourcemanager	Jason Lowe	Manikandan R
YARN-6333	Improve doc for minSharePreemptionTimeout, fairSharePreemptionTimeout and fairSharePreemptionThreshold	Major	fairscheduler	Yufei Gu	Chetna Chaudhari
HADOOP-14095	Document caveats about the default JavaKeyStoreProvider in KMS	Major	documentation, kms	Xiao Chen	Xiao Chen
YARN-4879	Enhance Allocate Protocol to Identify Requests Explicitly	Major	applications, resourcemanager	Subru Krishnan	Subru Krishnan
HDFS-12420	Add an option to disallow 'namenode format -force'	Major	.	Ajay Kumar	Ajay Kumar
HADOOP-14521	KMS client needs retry logic	Major	.	Rushabh S Shah	Rushabh S Shah
YARN-2162	add ability in Fair Scheduler to optionally configure maxResources in terms of percentage	Major	fairscheduler, scheduler	Ashwin Shankar	Yufei Gu
YARN-7207	Cache the RM proxy server address	Major	RM	Yufei Gu	Yufei Gu
HADOOP-14920	KMSClientProvider won't work with KMS delegation token retrieved from non-Java client.	Major	kms	Xiaoyu Yao	Xiaoyu Yao
YARN-6930	Admins should be able to explicitly enable specific LinuxContainerRuntime in the NodeManager	Major	nodemanager	Vinod Kumar Vavilapalli	Shane Kumpf
HDFS-12603	Enable async edit logging by default	Major	namenode	Andrew Wang	Andrew Wang
HDFS-12642	Log block and datanode details in BlockRecoveryWorker	Major	datanode	Xiao Chen	Xiao Chen
HADOOP-14938	Configuration.updatingResource map should be initialized lazily	Major	.	Misha Dmitriev	Misha Dmitriev
YARN-6608	Backport all SLS improvements from trunk to branch-2	Major	.	Carlo Curino	Carlo Curino
HADOOP-14880	[KMS] Document&test missing KMS client side configs	Minor	.	Wei-Chiu Chuang	Gabor Bota
HDFS-12619	Do not catch and throw unchecked exceptions if IBRs fail to process	Minor	namenode	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-7359	TestAppManager.testQueueSubmitWithNoPermission() should be scheduler agnostic	Minor	.	Haibo Chen	Haibo Chen
HADOOP-14944	Add JvmMetrics to KMS	Major	kms	Xiao Chen	Xiao Chen
YARN-7261	Add debug message for better download latency monitoring	Major	nodemanager	Yufei Gu	Yufei Gu
YARN-7357	Several methods in TestZKRMStateStore.TestZKRMStateStoreTester.TestZKRMStateStoreInternal should have @Override annotations	Trivial	resourcemanager	Daniel Templeton	Sen Zhao
YARN-4163	Audit getQueueInfo and getApplications calls	Major	.	Chang Li	Chang Li
HADOOP-9657	NetUtils.wrapException to have special handling for 0.0.0.0 addresses and :0 ports	Minor	net	Steve Loughran	Varun Saxena
YARN-7389	Make TestResourceManager Scheduler agnostic	Major	test	Robert Kanter	Robert Kanter
YARN-7358	TestZKConfigurationStore and TestLeveldbConfigurationStore should explicitly set capacity scheduler	Minor	resourcemanager	Haibo Chen	Haibo Chen
YARN-7262	Add a hierarchy into the ZKRMStateStore for delegation token znodes to prevent jute buffer overflow	Major	.	Robert Kanter	Robert Kanter
HADOOP-14870	backport HADOOP-14553 parallel tests to branch-2	Major	fs/azure, test	Steve Loughran	Steve Loughran
HADOOP-14992	Upgrade Avro patch version	Major	build	Chris Douglas	Bharat Viswanadham
YARN-6413	FileSystem based Yarn Registry implementation	Major	amrmproxy, api, resourcemanager	Ellen Hui	Ellen Hui
HDFS-12744	More logs when short-circuit read is failed and disabled	Major	datanode	Weiwei Yang	Weiwei Yang
MAPREDUCE-6975	Logging task counters	Major	task	Prabhu Joseph	Prabhu Joseph
HADOOP-14112	Über-jira adl:// Azure Data Lake Phase I: Stabilization	Major	fs/adl	Steve Loughran	John Zhuge
HADOOP-14552	Über-jira: WASB client phase II: performance and testing	Major	fs/azure	Steve Loughran	Thomas Marquardt
HADOOP-13738	DiskChecker should perform some disk IO	Major	.	Arpit Agarwal	Arpit Agarwal

BUG FIXES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-7256	Resource leak during failure scenario of closing of resources.	Minor	util	ramkrishna.s.vasudevan	ramkrishna.s.vasudevan
YARN-524	TestYarnVersionInfo failing if generated properties doesn't include an SVN URL	Minor	api	Steve Loughran	Steve Loughran
YARN-1471	The SLS simulator is not running the preemption policy for CapacityScheduler	Minor	.	Carlo Curino	Carlo Curino
HADOOP-11703	git should ignore .DS_Store files on Mac OS X	Major	.	Abin Shahab	Abin Shahab
HDFS-8797	WebHdfsFileSystem creates too many connections for pread	Major	webhdfs	Jing Zhao	Jing Zhao
HDFS-9107	Prevent NN's unrecoverable death spiral after full GC	Critical	namenode	Daryn Sharp	Daryn Sharp
HDFS-9034	"StorageTypeStats" Metric should not count failed storage.	Major	namenode	Archana T	Surendra Singh Lilhore
YARN-4156	TestAMRestart#testAMBlacklistPreventsRestartOnSameNode assumes CapacityScheduler	Major	.	Anubhav Dhoot	Anubhav Dhoot
YARN-4417	Make RM and Timeline-server REST APIs more consistent	Major	.	Wangda Tan	Wangda Tan
YARN-4522	Queue acl can be checked at app submission	Major	.	Jian He	Jian He
YARN-4530	LocalizedResource trigger a NPE Cause the NodeManager exit	Major	.	tangshangwen	tangshangwen
HADOOP-12655	TestHttpServer.testBindAddress bind port range is wider than expected	Major	.	Wei-Chiu Chuang	Wei-Chiu Chuang
HADOOP-12573	TestRPC.testClientBackOff failing	Major	test	Steve Loughran	Xiao Chen
HADOOP-12653	Use SO_REUSEADDR to avoid getting "Address already in use" when using kerberos and attempting to bind to any port on the local IP address	Major	net	Colin P. McCabe	Colin P. McCabe
YARN-4571	Make app id/name available to the yarn authorizer provider for better auditing	Major	.	Jian He	Jian He
YARN-4551	Address the duplication between StatusUpdateWhenHealthy and StatusUpdateWhenUnhealthy transitions	Minor	nodemanager	Karthik Kambatla	Sunil Govindan
HDFS-9517	Fix missing @Test annotation on TestDistCpUtils.testUnpackAttributes	Trivial	distcp	Wei-Chiu Chuang	Wei-Chiu Chuang
HDFS-9624	DataNode start slowly due to the initial DU command operations	Major	.	Yiqun Lin	Yiqun Lin
YARN-4611	Fix scheduler load simulator to support multi-layer network location	Major	.	Ming Ma	Ming Ma
YARN-4584	RM startup failure when AM attempts greater than max-attempts	Critical	.	Bibin A Chundatt	Bibin A Chundatt
HDFS-9618	Fix mismatch between log level and guard in BlockManager#computeRecoveryWorkForBlocks	Minor	namenode	Masatake Iwasaki	Masatake Iwasaki
YARN-4497	RM might fail to restart when recovering apps whose attempts are missing	Critical	.	Jun Gong	Jun Gong
YARN-4612	Fix rumen and scheduler load simulator handle killed tasks properly	Major	.	Ming Ma	Ming Ma
MAPREDUCE-6620	Jobs that did not start are shown as starting in 1969 in the JHS web UI	Major	jobhistoryserver	Daniel Templeton	Haibo Chen
YARN-4625	Make ApplicationSubmissionContext and ApplicationSubmissionContextInfo more consistent	Major	.	Xuan Gong	Xuan Gong
YARN-4594	container-executor fails to remove directory tree when chmod required	Major	nodemanager	Colin P. McCabe	Colin P. McCabe
YARN-4669	Fix logging statements in resource manager's Application class	Trivial	.	Sidharta Seethana	Sidharta Seethana
YARN-4629	Distributed shell breaks under strong security	Major	applications/distributed-shell, security	Daniel Templeton	Daniel Templeton
HDFS-9608	Disk IO imbalance in HDFS with heterogeneous storages	Major	.	Wei Zhou	Wei Zhou
YARN-4689	FairScheduler: Cleanup preemptContainer to be more readable	Trivial	fairscheduler	Karthik Kambatla	Kai Sasaki
YARN-4651	movetoqueue option does not documented in 'YARN Commands'	Major	documentation	Takashi Ohnishi	Takashi Ohnishi
YARN-4648	Move preemption related tests from TestFairScheduler to TestFairSchedulerPreemption	Major	fairscheduler	Karthik Kambatla	Kai Sasaki
YARN-4729	SchedulerApplicationAttempt#getTotalRequiredResources can throw an NPE	Major	scheduler	Karthik Kambatla	Karthik Kambatla
YARN-4701	When task logs are not available, port 8041 is referenced instead of port 8042	Major	yarn	Haibo Chen	Haibo Chen
HDFS-9858	RollingFileSystemSink can throw an NPE on non-secure clusters	Major	.	Daniel Templeton	Daniel Templeton
YARN-4731	container-executor should not follow symlinks in recursive_unlink_children	Blocker	.	Bibin A Chundatt	Colin P. McCabe
HADOOP-10321	TestCompositeService should cover all enumerations of adding a service to a parent service	Major	.	Karthik Kambatla	Ray Chiang
YARN-4737	Add CSRF filter support in YARN	Major	nodemanager, resourcemanager, webapp	Jonathan Maron	Jonathan Maron
YARN-4762	NMs failing on DelegatingLinuxContainerRuntime init with LCE on	Blocker	.	Vinod Kumar Vavilapalli	Sidharta Seethana
YARN-4764	Application submission fails when submitted queue is not available in scheduler xml	Major	.	Bibin A Chundatt	Bibin A Chundatt
HADOOP-12895	SSLFactory#createSSLSocketFactory exception message is wrong	Trivial	.	Wei-Chiu Chuang	Wei-Chiu Chuang
HADOOP-12906	AuthenticatedURL should convert a 404/Not Found into an FileNotFoundException.	Minor	io, security	Steve Loughran	Steve Loughran
HDFS-9947	Block#toString should not output information from derived classes	Minor	.	Colin P. McCabe	Colin P. McCabe
YARN-4816	SystemClock API broken in 2.9.0	Major	.	Siddharth Seth	Siddharth Seth
HDFS-9780	RollingFileSystemSink doesn't work on secure clusters	Critical	.	Daniel Templeton	Daniel Templeton
HADOOP-12888	Shell to disable bash and setsid support when running under JVM security manager	Major	security	Costin Leau	Costin Leau
YARN-4593	Deadlock in AbstractService.getConfig()	Major	yarn	Steve Loughran	Steve Loughran
HDFS-10173	Typo in DataXceiverServer	Trivial	datanode	Michael Han	Michael Han
YARN-4812	TestFairScheduler#testContinuousScheduling fails intermittently	Major	fairscheduler	Karthik Kambatla	Karthik Kambatla
MAPREDUCE-6110	JobHistoryServer CLI throws NullPointerException with job ids that do not exist	Minor	jobhistoryserver	Li Lu	Kai Sasaki
MAPREDUCE-6535	TaskID default constructor results in NPE on toString()	Major	mrv2	Daniel Templeton	Daniel Templeton
MAPREDUCE-6655	Fix a typo (STRICT_IE6) in Encrypted Shuffle	Trivial	documentation	Wei-Chiu Chuang	Wei-Chiu Chuang
HADOOP-12954	Add a way to change hadoop.security.token.service.use_ip	Major	security	Robert Kanter	Robert Kanter
YARN-4657	Javadoc comment is broken for Resources.multiplyByAndAddTo()	Trivial	.	Daniel Templeton	Daniel Templeton
YARN-4880	Running TestZKRMStateStorePerf with real zookeeper cluster throws NPE	Major	.	Rohith Sharma K S	Sunil Govindan
YARN-4609	RM Nodes list page takes too much time to load	Major	webapp	Bibin A Chundatt	Bibin A Chundatt
YARN-4906	Capture container start/finish time in container metrics	Major	.	Jian He	Jian He
HDFS-10192	Namenode safemode not coming out during failover	Major	namenode	Brahma Reddy Battula	Brahma Reddy Battula
MAPREDUCE-6647	MR usage counters use the resources requested instead of the resources allocated	Major	.	Haibo Chen	Haibo Chen
HADOOP-13006	FileContextMainOperationsBaseTest.testListStatusThrowsExceptionForNonExistentFile() doesnt run	Minor	test	Steve Loughran	Kai Sasaki
YARN-4927	TestRMHA#testTransitionedToActiveRefreshFail fails with FairScheduler	Major	test	Karthik Kambatla	Bibin A Chundatt
YARN-4562	YARN WebApp ignores the configuration passed to it for keystore settings	Major	.	Sergey Shelukhin	Sergey Shelukhin
YARN-4897	dataTables_wrapper change min height	Minor	.	Bibin A Chundatt	Bibin A Chundatt
HDFS-8356	Document missing properties in hdfs-default.xml	Major	documentation	Ray Chiang	Ray Chiang
YARN-4810	NM applicationpage cause internal error 500	Major	.	Bibin A Chundatt	Bibin A Chundatt
HDFS-10273	Remove duplicate logSync() and log message in FSN#enterSafemode()	Minor	.	Vinayakumar B	Vinayakumar B
HDFS-10282	The VolumeScanner should warn about replica files which are misplaced	Major	datanode	Colin P. McCabe	Colin P. McCabe
HDFS-10283	o.a.h.hdfs.server.namenode.TestFSImageWithSnapshot#testSaveLoadImageWithAppending fails intermittently	Major	test	Mingliang Liu	Mingliang Liu
HDFS-10306	SafeModeMonitor should not leave safe mode if name system is starting active service	Major	namenode	Mingliang Liu	Mingliang Liu
YARN-4935	TestYarnClient#testSubmitIncorrectQueue fails with FairScheduler	Major	test	Yufei Gu	Yufei Gu
MAPREDUCE-2398	MRBench: setting the baseDir parameter has no effect	Minor	benchmarks	Michael Noll	Wilfred Spiegelenburg
YARN-4976	Missing NullPointer check in ContainerLaunchContextPBImpl causes RM to die	Major	resourcemanager	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-4795	ContainerMetrics drops records	Major	resourcemanager	Daniel Templeton	Daniel Templeton
YARN-4983	JVM and UGI metrics disappear after RM is once transitioned to standby mode	Major	.	Li Lu	Li Lu
HADOOP-13012	yetus-wrapper should fail sooner when download fails	Minor	yetus	Steven K. Wong	Steven K. Wong
HADOOP-12469	distcp should not ignore the ignoreFailures option	Critical	tools/distcp	Gera Shegalov	Mingliang Liu
MAPREDUCE-6677	LocalContainerAllocator doesn't specify resource of the containers allocated.	Major	mr-am	Haibo Chen	Haibo Chen
YARN-5002	getApplicationReport call may raise NPE for removed queues	Critical	.	Sumana Sathish	Jian He
HADOOP-13118	Fix IOUtils#cleanup and IOUtils#closeStream javadoc	Trivial	io	Wei-Chiu Chuang	Wei-Chiu Chuang
HADOOP-10694	Remove synchronized input streams from Writable deserialization	Major	io	Gopal V	Gopal V
HDFS-10410	RedundantEditLogInputStream#LOG is set to wrong class	Minor	.	John Zhuge	John Zhuge
HDFS-10208	Addendum for HDFS-9579: to handle the case when client machine can't resolve network path	Major	.	Ming Ma	Ming Ma
MAPREDUCE-6701	application master log can not be available when clicking jobhistory's am logs link	Critical	jobhistoryserver	chenyukang	Haibo Chen
HDFS-10404	Fix formatting of CacheAdmin command usage help text	Major	caching	Yiqun Lin	Yiqun Lin
MAPREDUCE-6657	job history server can fail on startup when NameNode is in start phase	Major	jobhistoryserver	Haibo Chen	Haibo Chen
HDFS-10360	DataNode may format directory and lose blocks if current/VERSION is missing	Major	datanode	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-5076	YARN web interfaces lack XFS protection	Major	nodemanager, resourcemanager, timelineserver	Jonathan Maron	Jonathan Maron
YARN-5126	Remove CHANGES.txt from branch-2	Major	.	Akira Ajisaka	Akira Ajisaka
YARN-5112	Excessive log warnings for directory permission issue on NM recovery.	Major	.	Jian He	Jian He
YARN-4979	FSAppAttempt demand calculation considers demands at multiple locality levels different	Major	fairscheduler	zhihai xu	zhihai xu
MAPREDUCE-6703	Add flag to allow MapReduce AM to request for OPPORTUNISTIC containers	Major	.	Arun Suresh	Arun Suresh
YARN-5131	Distributed shell AM fails when extra container arrives during finishing	Major	.	Sumana Sathish	Wangda Tan
YARN-4866	FairScheduler: AMs can consume all vcores leading to a livelock when using FAIR policy	Major	fairscheduler	Karthik Kambatla	Yufei Gu
HDFS-10463	TestRollingFileSystemSinkWithHdfs needs some cleanup	Critical	.	Daniel Templeton	Daniel Templeton
HDFS-10449	TestRollingFileSystemSinkWithHdfs#testFailedClose() fails on branch-2	Major	test	Takanobu Asanuma	Takanobu Asanuma
HDFS-10468	HDFS read ends up ignoring an interrupt	Major	.	Siddharth Seth	Jing Zhao
MAPREDUCE-6240	Hadoop client displays confusing error message	Major	client	Mohammad Kamrul Islam	Gera Shegalov
YARN-4308	ContainersAggregated CPU resource utilization reports negative usage in first few heartbeats	Major	nodemanager	Sunil Govindan	Sunil Govindan
HDFS-10508	DFSInputStream should set thread's interrupt status after catching InterruptException from sleep	Major	.	Jing Zhao	Jing Zhao
HADOOP-13243	TestRollingFileSystemSink.testSetInitialFlushTime() fails intermittently	Minor	test	Daniel Templeton	Daniel Templeton
YARN-5077	Fix FSLeafQueue#getFairShare() for queues with zero fairshare	Major	.	Yufei Gu	Yufei Gu
HDFS-10437	ReconfigurationProtocol not covered by HDFSPolicyProvider.	Major	namenode	Chris Nauroth	Arpit Agarwal
MAPREDUCE-6197	Cache MapOutputLocations in ShuffleHandler	Major	.	Siddharth Seth	Junping Du
YARN-5266	Wrong exit code while trying to get app logs using regex via CLI	Critical	yarn	Sumana Sathish	Xuan Gong
HDFS-10561	test_native_mini_dfs fails by NoClassDefFoundError	Major	native, test	Akira Ajisaka	Akira Ajisaka
HDFS-10555	Unable to loadFSEdits due to a failure in readCachePoolInfo	Critical	caching, namenode	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-5803	Counters page display all task neverthless of task type( Map or Reduce)	Minor	jobhistoryserver	Rohith Sharma K S	Kai Sasaki
YARN-5182	MockNodes.newNodes creates one more node per rack than requested	Major	test	Karthik Kambatla	Karthik Kambatla
YARN-5282	Fix typos in CapacityScheduler documentation	Trivial	documentation	Ray Chiang	Ray Chiang
HDFS-10572	Fix TestOfflineEditsViewer#testGenerated	Blocker	test	Xiaoyu Yao	Surendra Singh Lilhore
YARN-5296	NMs going OutOfMemory because ContainerMetrics leak in ContainerMonitorImpl	Major	nodemanager	Karam Singh	Junping Du
YARN-5294	Pass remote ip address down to YarnAuthorizationProvider	Major	.	Jian He	Jian He
YARN-4366	Fix Lint Warnings in YARN Common	Major	yarn	Daniel Templeton	Daniel Templeton
YARN-5362	TestRMRestart#testFinishedAppRemovalAfterRMRestart can fail	Major	.	Jason Lowe	sandflee
HDFS-10617	PendingReconstructionBlocks.size() should be synchronized	Major	.	Eric Badger	Eric Badger
YARN-5383	Fix findbugs for nodemanager & checkstyle warnings in nodemanager.ContainerExecutor	Major	nodemanager	Vrushali C	Vrushali C
MAPREDUCE-6733	MapReduce JerseyTest tests failing with "java.net.BindException: Address already in use"	Critical	test	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
HADOOP-13254	Create framework for configurable disk checkers	Major	util	Yufei Gu	Yufei Gu
YARN-5272	Handle queue names consistently in FairScheduler	Major	fairscheduler	Wilfred Spiegelenburg	Wilfred Spiegelenburg
YARN-5213	Fix a bug in LogCLIHelpers which cause TestLogsCLI#testFetchApplictionLogs fails intermittently	Major	test	Rohith Sharma K S	Xuan Gong
YARN-5441	Fixing minor Scheduler test case failures	Major	.	Subru Krishnan	Subru Krishnan
YARN-5440	Use AHSClient in YarnClient when TimelineServer is running	Major	.	Xuan Gong	Xuan Gong
YARN-5203	Return ResourceRequest JAXB object in ResourceManager Cluster Applications REST API	Major	.	Subru Krishnan	Ellen Hui
HDFS-9276	Failed to Update HDFS Delegation Token for long running application in HA mode	Major	fs, ha, security	Liangliang Gu	Liangliang Gu
YARN-5436	Race in AsyncDispatcher can cause random test failures in Tez (probably YARN also)	Major	.	Zhiyuan Yang	Zhiyuan Yang
YARN-5444	Fix failing unit tests in TestLinuxContainerExecutorWithMocks	Major	nodemanager	Yufei Gu	Yufei Gu
HADOOP-13443	KMS should check the type of underlying keyprovider of KeyProviderExtension before falling back to default	Minor	kms	Anthony Young-Garner	Anthony Young-Garner
YARN-5333	Some recovered apps are put into default queue when RM HA	Major	.	Jun Gong	Jun Gong
HADOOP-13353	LdapGroupsMapping getPassward shouldn't return null when IOException throws	Major	security	Zhaohao Liang	Wei-Chiu Chuang
HADOOP-13403	AzureNativeFileSystem rename/delete performance improvements	Major	fs/azure	Subramanyam Pattipaka	Subramanyam Pattipaka
HDFS-10457	DataNode should not auto-format block pool directory if VERSION is missing	Major	datanode	Wei-Chiu Chuang	Wei-Chiu Chuang
HDFS-4176	EditLogTailer should call rollEdits with a timeout	Major	ha, namenode	Todd Lipcon	Lei (Eddy) Xu
HADOOP-13476	CredentialProviderFactory fails at class loading from libhdfs (JNI)	Major	fs/s3	Aaron Fabbri	Aaron Fabbri
HADOOP-13461	NPE in KeyProvider.rollNewVersion	Minor	.	Colm O hEigeartaigh	Colm O hEigeartaigh
HADOOP-13441	Document LdapGroupsMapping keystore password properties	Minor	security	Wei-Chiu Chuang	Yuanbo Liu
YARN-4833	For Queue AccessControlException client retries multiple times on both RM	Major	.	Bibin A Chundatt	Bibin A Chundatt
HDFS-9696	Garbage snapshot records lingering forever	Critical	.	Kihwal Lee	Kihwal Lee
YARN-5521	TestCapacityScheduler#testKillAllAppsInQueue fails randomly	Major	.	Varun Saxena	sandflee
HADOOP-13437	KMS should reload whitelist and default key ACLs when hot-reloading	Major	kms	Xiao Chen	Xiao Chen
YARN-5475	Test failed for TestAggregatedLogFormat on trunk	Major	.	Junping Du	Jun Gong
YARN-5523	Yarn running container log fetching causes OutOfMemoryError	Major	log-aggregation	Prasanth Jayachandran	Xuan Gong
HADOOP-11786	Fix Javadoc typos in org.apache.hadoop.fs.FileSystem	Trivial	documentation	Chen He	Andras Bokor
YARN-5526	DrainDispacher#ServiceStop blocked if setDrainEventsOnStop invoked	Major	.	sandflee	sandflee
HDFS-10763	Open files can leak permanently due to inconsistent lease update	Critical	.	Kihwal Lee	Kihwal Lee
YARN-5533	JMX AM Used metrics for queue wrong when app submited to nodelabel partition	Major	.	Bibin A Chundatt	Bibin A Chundatt
MAPREDUCE-6762	ControlledJob#toString failed with NPE when job status is not successfully updated	Major	.	Weiwei Yang	Weiwei Yang
HADOOP-13526	Add detailed logging in KMS for the authentication failure of proxy user	Minor	kms	Suraj Acharya	Suraj Acharya
HDFS-8312	Trash does not descent into child directories to check for permissions	Critical	fs, security	Eric Yang	Weiwei Yang
YARN-5537	Intermittent test failure of TestAMRMClient#testAMRMClientWithContainerResourceChange	Major	.	Varun Saxena	Bibin A Chundatt
YARN-5430	Return container's ip and host from NM ContainerStatus call	Major	.	Jian He	Jian He
YARN-5373	NPE listing wildcard directory in containerLaunch	Blocker	nodemanager	Haibo Chen	Daniel Templeton
MAPREDUCE-6628	Potential memory leak in CryptoOutputStream	Major	security	Mariappan Asokan	Mariappan Asokan
MAPREDUCE-6777	Typos in 4 log messages	Trivial	.	Mehran Hassani	Mehran Hassani
YARN-5642	Typos in 9 log messages	Trivial	.	Mehran Hassani	Mehran Hassani
YARN-5657	Fix TestDefaultContainerExecutor	Major	test	Akira Ajisaka	Arun Suresh
HADOOP-13602	Fix some warnings by findbugs in hadoop-maven-plugin	Major	.	Tsuyoshi Ozawa	Tsuyoshi Ozawa
YARN-4973	YarnWebParams next.fresh.interval should be next.refresh.interval	Minor	webapp	Daniel Templeton	Daniel Templeton
YARN-5662	Provide an option to enable ContainerMonitor	Major	.	Jian He	Jian He
HADOOP-11780	Prevent IPC reader thread death	Critical	ipc	Daryn Sharp	Daryn Sharp
HADOOP-13164	Optimize S3AFileSystem::deleteUnnecessaryFakeDirectories	Minor	fs/s3	Rajesh Balamohan	Rajesh Balamohan
YARN-5693	Reduce loglevel to Debug in ContainerManagementProtocolProxy and AMRMClientImpl	Major	yarn	Yufei Gu	Yufei Gu
YARN-5678	Log demand as demand in FSLeafQueue and FSParentQueue	Major	fairscheduler	Yufei Gu	Yufei Gu
YARN-5672	FairScheduler: wrong queue name in log when adding application	Minor	fairscheduler	Wilfred Spiegelenburg	Wilfred Spiegelenburg
YARN-4767	Network issues can cause persistent RM UI outage	Critical	webapp	Daniel Templeton	Daniel Templeton
MAPREDUCE-6789	Fix TestAMWebApp failure	Major	test	Akira Ajisaka	Daniel Templeton
HADOOP-13690	Fix typos in core-default.xml	Minor	documentation	Yiqun Lin	Yiqun Lin
HDFS-10969	Fix typos in hdfs-default.xml	Minor	documentation	Yiqun Lin	Yiqun Lin
YARN-5057	resourcemanager.security.TestDelegationTokenRenewer fails in trunk	Major	.	Yongjun Zhang	Jason Lowe
HADOOP-13697	LogLevel#main throws exception if no arguments provided	Major	.	Mingliang Liu	Mingliang Liu
HDFS-10699	Log object instance get incorrectly in TestDFSAdmin	Minor	.	Yiqun Lin	Yiqun Lin
HDFS-10423	Increase default value of httpfs maxHttpHeaderSize	Minor	hdfs	Nicolae Popa	Nicolae Popa
HADOOP-13626	Remove distcp dependency on FileStatus serialization	Major	tools/distcp	Chris Douglas	Chris Douglas
YARN-5711	Propogate exceptions back to client when using hedging RM failover provider	Critical	applications, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5754	Null check missing for earliest in FifoPolicy	Major	fairscheduler	Yufei Gu	Yufei Gu
HDFS-11040	Add documentation for HDFS-9820 distcp improvement	Major	distcp	Yongjun Zhang	Yongjun Zhang
YARN-5753	fix NPE in AMRMClientImpl.getMatchingRequests()	Major	yarn	Haibo Chen	Haibo Chen
HDFS-9929	Duplicate keys in NAMENODE_SPECIFIC_KEYS	Minor	namenode	Akira Ajisaka	Akira Ajisaka
YARN-5752	TestLocalResourcesTrackerImpl#testLocalResourceCache times out	Major	.	Eric Badger	Eric Badger
YARN-5710	Fix inconsistent naming in class ResourceRequest	Trivial	yarn	Yufei Gu	Yufei Gu
YARN-5686	DefaultContainerExecutor random working dir algorigthm skews results	Minor	.	Miklos Szegedi	Vrushali C
MAPREDUCE-6798	Fix intermittent failure of TestJobHistoryParsing.testJobHistoryMethods()	Major	jobhistoryserver	Haibo Chen	Haibo Chen
YARN-5757	RM REST API documentation is not up to date	Trivial	resourcemanager, yarn	Miklos Szegedi	Miklos Szegedi
YARN-5420	Delete org.apache.hadoop.yarn.server.resourcemanager.resource.Priority as its not necessary	Minor	resourcemanager	Sunil Govindan	Sunil Govindan
YARN-5172	Update yarn daemonlog documentation due to HADOOP-12847	Trivial	documentation	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-4388	Cleanup "mapreduce.job.hdfs-servers" from yarn-default.xml	Minor	yarn	Junping Du	Junping Du
YARN-2306	Add test for leakage of reservation metrics in fair scheduler	Minor	fairscheduler	Hong Zhiguo	Hong Zhiguo
YARN-4743	FairSharePolicy breaks TimSort assumption	Major	fairscheduler	Zephyr Guo	Zephyr Guo
YARN-5809	AsyncDispatcher possibly invokes multiple shutdown thread when handling exception	Major	.	Jian He	Jian He
YARN-5805	Add isDebugEnabled check for debug logs in nodemanager	Minor	.	Bibin A Chundatt	Bibin A Chundatt
YARN-5788	Apps not activiated and AM limit resource in UI and REST not updated after -replaceLabelsOnNode	Major	.	Bibin A Chundatt	Bibin A Chundatt
MAPREDUCE-6765	MR should not schedule container requests in cases where reducer or mapper containers demand resource larger than the maximum supported	Minor	mr-am	Haibo Chen	Haibo Chen
HDFS-11095	BlockManagerSafeMode should respect extension period default config value (30s)	Minor	namenode	Mingliang Liu	Mingliang Liu
YARN-4862	Handle duplicate completed containers in RMNodeImpl	Major	resourcemanager	Rohith Sharma K S	Rohith Sharma K S
YARN-5377	Fix TestQueuingContainerManager.testKillMultipleOpportunisticContainers	Major	.	Rohith Sharma K S	Konstantinos Karanasos
MAPREDUCE-6782	JHS task page search based on each individual column not working	Major	jobhistoryserver	Bibin A Chundatt	Ajith S
HADOOP-13789	Hadoop Common includes generated test protos in both jar and test-jar	Major	build, common	Sean Busbey	Sean Busbey
YARN-5823	Update NMTokens in case of requests with only opportunistic containers	Blocker	.	Konstantinos Karanasos	Konstantinos Karanasos
YARN-5862	TestDiskFailures.testLocalDirsFailures failed	Major	.	Yufei Gu	Yufei Gu
YARN-5453	FairScheduler#update may skip update demand resource of child queue/app if current demand reached maxResource	Major	fairscheduler	sandflee	sandflee
YARN-5843	Incorrect documentation for timeline service entityType/events REST end points	Minor	.	Bibin A Chundatt	Bibin A Chundatt
YARN-5834	TestNodeStatusUpdater.testNMRMConnectionConf compares nodemanager wait time to the incorrect value	Trivial	.	Miklos Szegedi	Chang Li
YARN-5545	Fix issues related to Max App in capacity scheduler	Major	capacity scheduler	Bibin A Chundatt	Bibin A Chundatt
YARN-5825	ProportionalPreemptionalPolicy could use readLock over LeafQueue instead of synchronized block	Major	capacity scheduler	Sunil Govindan	Sunil Govindan
YARN-5874	RM -format-state-store and -remove-application-from-state-store commands fail with NPE	Critical	resourcemanager	Varun Saxena	Varun Saxena
YARN-5873	RM crashes with NPE if generic application history is enabled	Critical	resourcemanager	Varun Saxena	Varun Saxena
MAPREDUCE-6811	TestPipeApplication#testSubmitter fails after HADOOP-13802	Major	test	Brahma Reddy Battula	Brahma Reddy Battula
YARN-5891	yarn rmadmin -help contains a misspelled ResourceManager	Trivial	resourcemanager	Grant Sohn	Grant Sohn
YARN-5870	Expose getApplications API in YarnClient with GetApplicationsRequest parameter	Major	client	Gour Saha	Jian He
YARN-3538	TimelineServer doesn't catch/translate all exceptions raised	Minor	timelineserver	Steve Loughran	Steve Loughran
YARN-5904	Reduce the number of default server threads for AMRMProxyService	Minor	nodemanager	Subru Krishnan	Subru Krishnan
MAPREDUCE-6793	io.sort.factor code default and mapred-default.xml values inconsistent	Trivial	task	Gera Shegalov	Prabhu Joseph
YARN-5911	DrainDispatcher does not drain all events on stop even if setDrainEventsOnStop is true	Major	.	Varun Saxena	Varun Saxena
YARN-5918	Handle Opportunistic scheduling allocate request failure when NM is lost	Major	.	Bibin A Chundatt	Bibin A Chundatt
YARN-5920	Fix deadlock in TestRMHA.testTransitionedToStandbyShouldNotHang	Major	test	Rohith Sharma K S	Varun Saxena
HADOOP-13833	TestSymlinkHdfsFileSystem#testCreateLinkUsingPartQualPath2 fails after HADOOP13605	Critical	test	Brahma Reddy Battula	Brahma Reddy Battula
YARN-5851	TestContainerManagerSecurity testContainerManager[1] failed	Major	nodemanager	Haibo Chen	Haibo Chen
MAPREDUCE-6565	Configuration to use host name in delegation token service is not read from job.xml during MapReduce job execution.	Major	.	Chris Nauroth	Li Lu
YARN-5942	"Overridden" is misspelled as "overriden" in FairScheduler.md	Trivial	site	Daniel Templeton	Heather Sutherland
YARN-5901	Fix race condition in TestGetGroups beforeclass setup()	Major	yarn	Haibo Chen	Haibo Chen
YARN-5929	Missing scheduling policy in the FS queue metric.	Major	.	Yufei Gu	Yufei Gu
HADOOP-13675	Bug in return value for delete() calls in WASB	Major	fs/azure	Dushyanth	Dushyanth
MAPREDUCE-6571	JobEndNotification info logs are missing in AM container syslog	Minor	applicationmaster	Prabhu Joseph	Haibo Chen
HADOOP-13859	TestConfigurationFieldsBase fails for fields that are DEFAULT values of skipped properties.	Major	common	Haibo Chen	Haibo Chen
YARN-5932	Retrospect moveApplicationToQueue in align with YARN-5611	Major	capacity scheduler, resourcemanager	Sunil Govindan	Sunil Govindan
YARN-5136	Error in handling event type APP_ATTEMPT_REMOVED to the scheduler	Major	.	tangshangwen	Wilfred Spiegelenburg
MAPREDUCE-6817	The format of job start time in JHS is different from those of submit and finish time	Major	jobhistoryserver	Haibo Chen	Haibo Chen
YARN-5963	Spelling errors in logging and exceptions for node manager, client, web-proxy, common, and app history code	Trivial	client, nodemanager	Grant Sohn	Grant Sohn
HADOOP-13867	FilterFileSystem should override rename(.., options) to take effect of Rename options called via FilterFileSystem implementations	Major	.	Vinayakumar B	Vinayakumar B
YARN-4752	FairScheduler should preempt for a ResourceRequest and all preempted containers should be on the same node	Major	fairscheduler	Karthik Kambatla	Karthik Kambatla
HDFS-11226	cacheadmin,cryptoadmin and storagepolicyadmin should support generic options	Minor	tools	Archana T	Brahma Reddy Battula
MAPREDUCE-6822	should set HADOOP_JOB_HISTORYSERVER_HEAPSIZE only if it's empty on branch2	Major	scripts	Fei Hui
YARN-5999	AMRMClientAsync will stop if any exceptions thrown on allocate call	Major	.	Jian He	Jian He
HADOOP-13831	Correct check for error code to detect Azure Storage Throttling and provide retries	Major	fs/azure	Gaurav Kanade	Gaurav Kanade
HADOOP-13508	FsPermission string constructor does not recognize sticky bit	Major	.	Atul Sikaria	Atul Sikaria
HDFS-11253	FileInputStream leak on failure path in BlockSender	Major	datanode	Arpit Agarwal	Arpit Agarwal
YARN-4330	MiniYARNCluster is showing multiple Failed to instantiate default resource calculator warning messages.	Blocker	test, yarn	Steve Loughran	Varun Saxena
YARN-5903	Fix race condition in TestResourceManagerAdministrationProtocolPBClientImpl beforeclass setup method	Major	yarn	Haibo Chen	Haibo Chen
YARN-5774	MR Job stuck in ACCEPTED status without any progress in Fair Scheduler if set yarn.scheduler.minimum-allocation-mb to 0.	Blocker	resourcemanager	Yufei Gu	Yufei Gu
YARN-6000	Make AllocationFileLoaderService.Listener public	Major	fairscheduler, yarn	Tao Jie	Tao Jie
YARN-6026	A couple of spelling errors in the docs	Trivial	documentation	Grant Sohn	Grant Sohn
HADOOP-13940	Document the missing envvars commands	Minor	documentation	Yiqun Lin	Yiqun Lin
HADOOP-13943	TestCommonConfigurationFields#testCompareXmlAgainstConfigurationClass fails after HADOOP-13863	Major	test	Brahma Reddy Battula	Brahma Reddy Battula
YARN-5962	Spelling errors in logging and exceptions for resource manager code	Trivial	resourcemanager	Grant Sohn	Grant Sohn
YARN-5257	Fix unreleased resources and null dereferences	Major	.	Yufei Gu	Yufei Gu
YARN-6001	Improve moveApplicationQueues command line	Major	client	Sunil Govindan	Sunil Govindan
YARN-4882	Change the log level to DEBUG for recovering completed applications	Major	resourcemanager	Rohith Sharma K S	Daniel Templeton
HDFS-11251	ConcurrentModificationException during DataNode#refreshVolumes	Major	.	Jason Lowe	Manoj Govindassamy
HDFS-11267	Avoid redefinition of storageDirs in NNStorage and cleanup its accessors in Storage	Major	.	Manoj Govindassamy	Manoj Govindassamy
HADOOP-13942	Build failure due to errors of javadoc build in hadoop-azure	Major	fs/azure	Kai Sasaki	Kai Sasaki
YARN-5988	RM unable to start in secure setup	Blocker	.	Ajith S	Ajith S
MAPREDUCE-6715	Fix Several Unsafe Practices	Major	.	Yufei Gu	Yufei Gu
HDFS-11282	Document the missing metrics of DataNode Volume IO operations	Minor	documentation	Yiqun Lin	Yiqun Lin
YARN-6041	Opportunistic containers : Combined patch for branch-2	Major	.	Arun Suresh	Arun Suresh
YARN-6066	Opportunistic containers minor fixes: API annotations and config parameter changes	Minor	.	Arun Suresh	Arun Suresh
YARN-6068	Log aggregation get failed when NM restart even with recovery	Blocker	.	Junping Du	Junping Du
YARN-6073	Misuse of format specifier in Preconditions.checkArgument	Trivial	.	Yongjun Zhang	Yuanbo Liu
YARN-5899	Debug log in AbstractCSQueue#canAssignToThisQueue needs improvement	Trivial	capacity scheduler	Ying Zhang	Ying Zhang
YARN-6054	TimelineServer fails to start when some LevelDb state files are missing.	Critical	.	Ravi Prakash	Ravi Prakash
YARN-6022	Revert changes of AbstractResourceRequest	Blocker	.	Wangda Tan	Wangda Tan
YARN-4148	When killing app, RM releases app's resource before they are released by NM	Major	resourcemanager	Jun Gong	Jason Lowe
YARN-6079	simple spelling errors in yarn test code	Trivial	test	Grant Sohn	vijay
HADOOP-13903	Improvements to KMS logging to help debug authorization errors	Minor	kms	Tristan Stevens	Tristan Stevens
YARN-6072	RM unable to start in secure mode	Blocker	resourcemanager	Bibin A Chundatt	Ajith S
YARN-6081	LeafQueue#getTotalPendingResourcesConsideringUserLimit should deduct reserved from pending to avoid unnecessary preemption of reserved container	Critical	.	Wangda Tan	Wangda Tan
HADOOP-13928	TestAdlFileContextMainOperationsLive.testGetFileContext1 runtime error	Major	fs/adl, test	John Zhuge	John Zhuge
HDFS-11307	The rpc to portmap service for NFS has hardcoded timeout.	Major	.	Jitendra Nath Pandey	Mukul Kumar Singh
YARN-6057	yarn.scheduler.minimum-allocation-* descriptions are incorrect about behavior when a request is out of bounds	Minor	.	Bibin A Chundatt	Julia Sommer
HADOOP-13976	Path globbing does not match newlines	Major	.	Eric Badger	Eric Badger
HDFS-11209	SNN can't checkpoint when rolling upgrade is not finalized	Critical	rolling upgrades	Xiaoyu Yao	Xiaoyu Yao
HDFS-10733	NameNode terminated after full GC thinking QJM is unresponsive.	Major	namenode, qjm	Konstantin Shvachko	Vinitha Reddy Gankidi
HDFS-11316	TestDataNodeVolumeFailure#testUnderReplicationAfterVolFailure fails in trunk	Minor	.	Yiqun Lin	Yiqun Lin
HDFS-11287	Storage class member storageDirs should be private to avoid unprotected access by derived classes	Major	.	Manoj Govindassamy	Manoj Govindassamy
YARN-6110	Fix opportunistic containers documentation	Minor	documentation	Akira Ajisaka	Akira Ajisaka
YARN-6104	RegistrySecurity overrides zookeeper sasl system properties	Major	.	Billie Rinaldi	Billie Rinaldi
HADOOP-13858	TestGridmixMemoryEmulation and TestResourceUsageEmulators fail on the environment other than Linux or Windows	Major	test	Akira Ajisaka	Akira Ajisaka
YARN-6117	SharedCacheManager does not start up	Major	.	Chris Trezzo	Chris Trezzo
YARN-6082	Invalid REST api response for getApps since queueUsagePercentage is coming as INF	Critical	.	Sunil Govindan	Sunil Govindan
HDFS-11365	Log portnumber in PrivilegedNfsGatewayStarter	Minor	nfs	Mukul Kumar Singh	Mukul Kumar Singh
MAPREDUCE-6808	Log map attempts as part of shuffle handler audit log	Major	.	Jonathan Eagles	Gergő Pásztor
HDFS-11369	Change exception message in StorageLocationChecker	Minor	datanode	Arpit Agarwal	Arpit Agarwal
YARN-4975	Fair Scheduler: exception thrown when a parent queue marked 'parent' has configured child queues	Major	fairscheduler	Ashwin Shankar	Yufei Gu
HDFS-11364	Add a test to verify Audit log entries for setfacl/getfacl commands over FS shell	Major	hdfs, test	Manoj Govindassamy	Manoj Govindassamy
HADOOP-13988	KMSClientProvider does not work with WebHDFS and Apache Knox w/ProxyUser	Major	common, kms	Greg Senia	Xiaoyu Yao
HADOOP-14029	Fix KMSClientProvider for non-secure proxyuser use case	Major	kms	Xiaoyu Yao	Xiaoyu Yao
YARN-5641	Localizer leaves behind tarballs after container is complete	Major	.	Eric Badger	Eric Badger
HDFS-11378	Verify multiple DataNodes can be decommissioned/maintenance at the same time	Major	hdfs	Manoj Govindassamy	Manoj Govindassamy
YARN-6103	Log updates for ZKRMStateStore	Trivial	.	Bibin A Chundatt	Daniel Sturman
HDFS-11335	Remove HdfsClientConfigKeys.DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_KEY usage from DNConf	Major	.	Manoj Govindassamy	Manoj Govindassamy
HDFS-11363	Need more diagnosis info when seeing Slow waitForAckedSeqno	Major	.	Yongjun Zhang	Xiao Chen
HDFS-11387	Socket reuse address option is not honored in PrivilegedNfsGatewayStarter	Major	nfs	Mukul Kumar Singh	Mukul Kumar Singh
HADOOP-14044	Synchronization issue in delegation token cancel functionality	Major	.	Hrishikesh Gadre	Hrishikesh Gadre
MAPREDUCE-6338	MR AppMaster does not honor ephemeral port range	Major	mr-am, mrv2	Frank Nguyen	Frank Nguyen
HDFS-11377	Balancer hung due to no available mover threads	Major	balancer & mover	yunjiong zhao	yunjiong zhao
YARN-6145	Improve log message on fail over	Major	.	Jian He	Jian He
YARN-6031	Application recovery has failed when node label feature is turned off during RM recovery	Minor	scheduler	Ying Zhang	Ying Zhang
YARN-6137	Yarn client implicitly invoke ATS client which accesses HDFS	Major	.	Yesha Vora	Li Lu
HADOOP-13433	Race in UGI.reloginFromKeytab	Major	security	Duo Zhang	Duo Zhang
YARN-6112	UpdateCallDuration is calculated only when debug logging is enabled	Major	fairscheduler	Yufei Gu	Yufei Gu
YARN-6144	FairScheduler: preempted resources can become negative	Blocker	fairscheduler, resourcemanager	Miklos Szegedi	Miklos Szegedi
YARN-6118	Add javadoc for Resources.isNone	Minor	scheduler	Karthik Kambatla	Andres Perez
YARN-6166	Unnecessary INFO logs in AMRMClientAsyncImpl$CallbackHandlerThread.run	Trivial	.	Grant W	Grant W
HADOOP-14055	SwiftRestClient includes pass length in exception if auth fails	Minor	security	Marcell Hegedus	Marcell Hegedus
HDFS-11403	Zookeper ACLs on NN HA enabled clusters to be handled consistently	Major	hdfs	Laszlo Puskas	Hanisha Koneru
HADOOP-13233	help of stat is confusing	Trivial	documentation, fs	Xiaohe Lan	Attila Bukor
HADOOP-14058	Fix NativeS3FileSystemContractBaseTest#testDirWithDifferentMarkersWorks	Minor	fs/s3, test	Akira Ajisaka	Yiqun Lin
HDFS-11084	Add a regression test for sticky bit support of OIV ReverseXML processor	Major	tools	Wei-Chiu Chuang	Wei-Chiu Chuang
HDFS-11391	Numeric usernames do no work with WebHDFS FS (write access)	Major	webhdfs	Pierre Villard	Pierre Villard
YARN-4212	FairScheduler: Can't create a DRF queue under a FAIR policy queue	Major	.	Arun Suresh	Yufei Gu
YARN-6177	Yarn client should exit with an informative error message if an incompatible Jersey library is used at client	Major	.	Weiwei Yang	Weiwei Yang
YARN-6171	ConcurrentModificationException on FSAppAttempt.containersToPreempt	Major	fairscheduler	Miklos Szegedi	Miklos Szegedi
HDFS-11410	Use the cached instance when edit logging SetAclOp, SetXAttrOp and RemoveXAttrOp	Major	namenode	Xiao Chen	Xiao Chen
YARN-6188	Fix OOM issue with decommissioningNodesWatcher in the case of clusters with large number of nodes	Major	resourcemanager	Ajay Jadhav	Ajay Jadhav
HDFS-11177	'storagepolicies -getStoragePolicy' command should accept URI based path.	Major	shell	Surendra Singh Lilhore	Surendra Singh Lilhore
HDFS-11404	Increase timeout on TestShortCircuitLocalRead.testDeprecatedGetBlockLocalPathInfoRpc	Major	.	Eric Badger	Eric Badger
MAPREDUCE-6825	YARNRunner#createApplicationSubmissionContext method is longer than 150 lines	Trivial	.	Chris Trezzo	Gergely Novák
YARN-6210	FS: Node reservations can interfere with preemption	Major	fairscheduler	Karthik Kambatla	Karthik Kambatla
YARN-6211	Synchronization improvement for moveApplicationAcrossQueues and updateApplicationPriority	Major	.	Bibin A Chundatt	Bibin A Chundatt
YARN-6222	TestFairScheduler.testReservationMetrics is flaky	Major	fairscheduler	Yufei Gu	Yufei Gu
HADOOP-14114	S3A can no longer handle unencoded + in URIs	Minor	fs/s3	Sean Mackrory	Sean Mackrory
HDFS-10620	StringBuilder created and appended even if logging is disabled	Major	namenode	Staffan Friberg	Staffan Friberg
HADOOP-14116	FailoverOnNetworkExceptionRetry does not wait when failover on certain exception	Major	.	Jian He	Jian He
HDFS-11433	Document missing usages of OfflineEditsViewer processors	Minor	documentation, tools	Yiqun Lin	Yiqun Lin
HDFS-11462	Fix occasional BindException in TestNameNodeMetricsLogger	Major	test	Arpit Agarwal	Arpit Agarwal
YARN-6172	FSLeafQueue demand update needs to be atomic	Major	resourcemanager	Varun Saxena	Miklos Szegedi
HADOOP-14119	Remove unused imports from GzipCodec.java	Minor	.	Akira Ajisaka	Yiqun Lin
MAPREDUCE-6841	Fix dead link in MapReduce tutorial document	Minor	documentation	Akira Ajisaka	Victor Nee
YARN-6231	FairSchedulerTestBase helper methods should call scheduler.update to avoid flakiness	Major	.	Arun Suresh	Karthik Kambatla
HDFS-11479	Socket re-use address option should be used in SimpleUdpServer	Major	nfs	Mukul Kumar Singh	Mukul Kumar Singh
HADOOP-14131	kms.sh creates bogus dir for tomcat logs	Minor	kms	John Zhuge	John Zhuge
MAPREDUCE-6852	Job#updateStatus() failed with NPE due to race condition	Major	.	Junping Du	Junping Du
MAPREDUCE-6753	Variable in byte printed directly in mapreduce client	Major	client	Nemo Chen	Kai Sasaki
HADOOP-6801	io.sort.mb and io.sort.factor were renamed and moved to mapreduce but are still in CommonConfigurationKeysPublic.java and used in SequenceFile.java	Minor	.	Erik Steffl	Harsh J
YARN-6263	NMTokenSecretManagerInRM.createAndGetNMToken is not thread safe	Major	yarn	Haibo Chen	Haibo Chen
YARN-6218	Fix TestAMRMClient when using FairScheduler	Minor	.	Miklos Szegedi	Miklos Szegedi
HDFS-11476	Fix NPE in FsDatasetImpl#checkAndUpdate	Major	datanode	Xiaobing Zhou	Xiaobing Zhou
YARN-6271	yarn rmadin -getGroups returns information from standby RM	Critical	yarn	Sumana Sathish	Jian He
YARN-6248	user is not removed from UsersManager’s when app is killed with pending container requests.	Major	.	Eric Payne	Eric Payne
HADOOP-14026	start-build-env.sh: invalid docker image name	Major	build	Gergő Pásztor	Gergő Pásztor
HDFS-11441	Add escaping to error message in KMS web UI	Minor	security	Aaron T. Myers	Aaron T. Myers
YARN-5665	Enhance documentation for yarn.resourcemanager.scheduler.class property	Trivial	documentation	Miklos Szegedi	Yufei Gu
MAPREDUCE-6855	Specify charset when create String in CredentialsTestJob	Minor	.	Akira Ajisaka	Kai Sasaki
HDFS-11508	Fix bind failure in SimpleTCPServer & Portmap where bind fails because socket is in TIME_WAIT state	Major	nfs	Mukul Kumar Singh	Mukul Kumar Singh
MAPREDUCE-6839	TestRecovery.testCrashed failed	Major	test	Gergő Pásztor	Gergő Pásztor
YARN-6207	Move application across queues should handle delayed event processing	Major	capacity scheduler	Bibin A Chundatt	Bibin A Chundatt
YARN-6297	TestAppLogAggregatorImp.verifyFilesUploaded() should check # of filed uploaded with that of files expected	Major	.	Haibo Chen	Haibo Chen
YARN-6165	Intra-queue preemption occurs even when preemption is turned off for a specific queue.	Major	capacity scheduler, scheduler preemption	Eric Payne	Eric Payne
YARN-6264	AM not launched when a single vcore is available on the cluster	Major	fairscheduler	Yufei Gu	Yufei Gu
YARN-6310	OutputStreams in AggregatedLogFormat.LogWriter can be left open upon exceptions	Major	yarn	Haibo Chen	Haibo Chen
YARN-6321	TestResources test timeouts are too aggressive	Major	test	Jason Lowe	Eric Badger
HDFS-11340	DataNode reconfigure for disks doesn't remove the failed volumes	Major	.	Manoj Govindassamy	Manoj Govindassamy
HDFS-11512	Increase timeout on TestShortCircuitLocalRead#testSkipWithVerifyChecksum	Minor	.	Eric Badger	Eric Badger
HDFS-11499	Decommissioning stuck because of failing recovery	Major	hdfs, namenode	Lukas Majercak	Lukas Majercak
HDFS-11395	RequestHedgingProxyProvider#RequestHedgingInvocationHandler hides the Exception thrown from NameNode	Major	ha	Nanda kumar	Nanda kumar
HDFS-11526	Fix confusing block recovery message	Minor	datanode	Wei-Chiu Chuang	Yiqun Lin
HADOOP-14170	FileSystemContractBaseTest is not cleaning up test directory clearly	Major	fs	Mingliang Liu	Mingliang Liu
YARN-6328	Fix a spelling mistake in CapacityScheduler	Trivial	capacity scheduler	Jin Yibo	Jin Yibo
HDFS-11420	Edit file should not be processed by the same type processor in OfflineEditsViewer	Major	tools	Yiqun Lin	Yiqun Lin
YARN-6294	ATS client should better handle Socket closed case	Major	timelineclient	Sumana Sathish	Li Lu
YARN-6332	Make RegistrySecurity use short user names for ZK ACLs	Major	.	Billie Rinaldi	Billie Rinaldi
YARN-4051	ContainerKillEvent lost when container is still recovering and application finishes	Critical	nodemanager	sandflee	sandflee
HDFS-11533	reuseAddress option should be used for child channels in Portmap and SimpleTcpServer	Major	nfs	Mukul Kumar Singh	Mukul Kumar Singh
HDFS-10394	move declaration of okhttp version from hdfs-client to hadoop-project POM	Minor	build	Steve Loughran	Xiaobing Zhou
HDFS-11516	Admin command line should print message to stderr in failure case	Minor	.	Kai Sasaki	Kai Sasaki
YARN-6217	TestLocalCacheDirectoryManager test timeout is too aggressive	Major	test	Jason Lowe	Miklos Szegedi
YARN-6353	Clean up OrderingPolicy javadoc	Minor	resourcemanager	Daniel Templeton	Daniel Templeton
HADOOP-14059	typo in s3a rename(self, subdir) error message	Minor	.	Steve Loughran	Steve Loughran
HDFS-6648	Order of namenodes in ConfiguredFailoverProxyProvider is undefined	Major	ha, hdfs-client	Rafal Wojdyla	Íñigo Goiri
HDFS-11132	Allow AccessControlException in contract tests when getFileStatus on subdirectory of existing files	Major	fs/adl, test	Vishwajeet Dusane	Vishwajeet Dusane
HADOOP-14204	S3A multipart commit failing, "UnsupportedOperationException at java.util.Collections$UnmodifiableList.sort"	Critical	fs/s3	Steve Loughran	Steve Loughran
HADOOP-14205	No FileSystem for scheme: adl	Major	fs/adl	John Zhuge	John Zhuge
HDFS-11561	HttpFS doc errors	Trivial	documentation, httpfs, test	Yuanbo Liu	Yuanbo Liu
HADOOP-9631	ViewFs should use underlying FileSystem's server side defaults	Major	fs, viewfs	Lohit Vijayarenu	Erik Krogen
HADOOP-14214	DomainSocketWatcher::add()/delete() should not self interrupt while looping await()	Critical	hdfs-client	Mingliang Liu	Mingliang Liu
HADOOP-14195	CredentialProviderFactory$getProviders is not thread-safe	Major	security	Vihang Karajgaonkar	Vihang Karajgaonkar
HADOOP-14211	FilterFs and ChRootedFs are too aggressive about enforcing "authorityNeeded"	Major	viewfs	Erik Krogen	Erik Krogen
YARN-6360	Prevent FS state dump logger from cramming other log files	Major	fairscheduler	Yufei Gu	Yufei Gu
YARN-6334	TestRMFailover#testAutomaticFailover always passes even when it should fail	Major	.	Yufei Gu	Yufei Gu
MAPREDUCE-6866	Fix getNumMapTasks() documentation in JobConf	Minor	documentation	Joe Mészáros	Joe Mészáros
MAPREDUCE-6868	License check for jdiff output files should be ignored	Major	build	Akira Ajisaka	Akira Ajisaka
HDFS-10506	OIV's ReverseXML processor cannot reconstruct some snapshot details	Major	tools	Colin P. McCabe	Akira Ajisaka
HDFS-11486	Client close() should not fail fast if the last block is being decommissioned	Major	.	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-6359	TestRM#testApplicationKillAtAcceptedState fails rarely due to race condition	Major	test	Robert Kanter	Robert Kanter
YARN-5368	Memory leak in timeline server	Critical	timelineserver	Wataru Yukawa	Jonathan Eagles
YARN-6050	AMs can't be scheduled on racks or nodes	Major	.	Robert Kanter	Robert Kanter
HDFS-11571	Typo in DataStorage exception message	Minor	datanode	Daniel Templeton	Anna Budai
YARN-5685	RM configuration allows all failover methods to disabled when automatic failover is enabled	Critical	resourcemanager	Daniel Templeton	Daniel Templeton
HADOOP-14247	FileContextMainOperationsBaseTest should clean up test root path	Minor	fs, test	Mingliang Liu	Mingliang Liu
YARN-6352	Header injections are possible in application proxy servlet	Major	resourcemanager, security	Naganarasimha G R	Naganarasimha G R
MAPREDUCE-6862	Fragments are not handled correctly by resource limit checking	Minor	.	Chris Trezzo	Chris Trezzo
MAPREDUCE-6873	MR Job Submission Fails if MR framework application path not on defaultFS	Minor	mrv2	Erik Krogen	Erik Krogen
HADOOP-14256	[S3A DOC] Correct the format for "Seoul" example	Minor	documentation, fs/s3	Brahma Reddy Battula	Brahma Reddy Battula
MAPREDUCE-6850	Shuffle Handler keep-alive connections are closed from the server side	Major	.	Jonathan Eagles	Jonathan Eagles
MAPREDUCE-6836	exception thrown when accessing the job configuration web UI	Minor	webapps	Sangjin Lee	Haibo Chen
HDFS-11592	Closing a file has a wasteful preconditions in NameNode	Major	namenode	Eric Badger	Eric Badger
YARN-6354	LeveldbRMStateStore can parse invalid keys when recovering reservations	Major	resourcemanager	Jason Lowe	Jason Lowe
YARN-5703	ReservationAgents are not correctly configured	Major	capacity scheduler, resourcemanager	Sean Po	Manikandan R
HADOOP-14268	Fix markdown itemization in hadoop-aws documents	Minor	documentation, fs/s3	Akira Ajisaka	Akira Ajisaka
HADOOP-14272	Azure: WasbRemoteCallHelper should use String equals for comparison.	Major	fs/azure	Santhosh G Nayak	Santhosh G Nayak
HADOOP-14273	Azure: NativeAzureFileSystem should respect config for kerberosSupportEnabled flag	Major	fs/azure	Santhosh G Nayak	Santhosh G Nayak
YARN-6436	TestSchedulingPolicy#testParseSchedulingPolicy timeout is too low	Major	test	Jason Lowe	Eric Badger
YARN-6004	Refactor TestResourceLocalizationService#testDownloadingResourcesOnContainer so that it is less than 150 lines	Trivial	test	Chris Trezzo	Chris Trezzo
YARN-6420	RM startup failure due to wrong order in nodelabel editlog	Critical	.	Bibin A Chundatt	Bibin A Chundatt
MAPREDUCE-6824	TaskAttemptImpl#createCommonContainerLaunchContext is longer than 150 lines	Trivial	.	Chris Trezzo	Chris Trezzo
YARN-6403	Invalid local resource request can raise NPE and make NM exit	Major	nodemanager	Tao Yang	Tao Yang
HDFS-11538	Move ClientProtocol HA proxies into hadoop-hdfs-client	Blocker	hdfs-client	Andrew Wang	Huafeng Wang
YARN-6437	TestSignalContainer#testSignalRequestDeliveryToNM fails intermittently	Major	test	Jason Lowe	Jason Lowe
YARN-6448	Continuous scheduling thread crashes while sorting nodes	Major	.	Yufei Gu	Yufei Gu
MAPREDUCE-6846	Fragments specified for libjar paths are not handled correctly	Minor	.	Chris Trezzo	Chris Trezzo
HDFS-11131	TestThrottledAsyncChecker#testCancellation is flaky	Major	test	Arpit Agarwal	Arpit Agarwal
HADOOP-13996	Fix some release build issues	Blocker	build	Andrew Wang	Andrew Wang
HDFS-11362	StorageDirectory should initialize a non-null default StorageDirType	Minor	hdfs	Hanisha Koneru	Hanisha Koneru
HDFS-11608	HDFS write crashed with block size greater than 2 GB	Critical	hdfs-client	Xiaobing Zhou	Xiaobing Zhou
YARN-6288	Exceptions during aggregated log writes are mishandled	Critical	log-aggregation	Akira Ajisaka	Akira Ajisaka
YARN-6368	Decommissioning an NM results in a -1 exit code	Minor	.	Miklos Szegedi	Miklos Szegedi
HADOOP-14066	VersionInfo should be marked as public API	Critical	common	Thejas M Nair	Akira Ajisaka
YARN-6343	Docker docs MR example is broken	Major	nodemanager	Daniel Templeton	Prashant Jha
HADOOP-14293	Initialize FakeTimer with a less trivial value	Major	test	Andrew Wang	Andrew Wang
HADOOP-13545	Upgrade HSQLDB to 2.3.4	Minor	build	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-6461	TestRMAdminCLI has very low test timeouts	Major	test	Jason Lowe	Eric Badger
YARN-6463	correct spelling mistake in FileSystemRMStateStore	Trivial	.	Yeliang Cang	Yeliang Cang
YARN-6439	Fix ReservationSystem creation of default ReservationQueue	Major	.	Carlo Curino	Carlo Curino
HDFS-11630	TestThrottledAsyncCheckerTimeout fails intermittently in Jenkins builds	Major	hdfs	Hanisha Koneru	Hanisha Koneru
HDFS-11163	Mover should move the file blocks to default storage once policy is unset	Major	balancer & mover	Surendra Singh Lilhore	Surendra Singh Lilhore
YARN-6450	TestContainerManagerWithLCE requires override for each new test added to ContainerManagerTest	Major	test	Jason Lowe	Jason Lowe
YARN-3760	FSDataOutputStream leak in AggregatedLogFormat.LogWriter.close()	Critical	nodemanager	Daryn Sharp	Haibo Chen
YARN-6216	Unify Container Resizing code paths with Container Updates making it scheduler agnostic	Major	capacity scheduler, fairscheduler, resourcemanager	Arun Suresh	Arun Suresh
YARN-5994	TestCapacityScheduler.testAMLimitUsage fails intermittently	Major	.	Eric Badger	Eric Badger
YARN-6433	Only accessible cgroup mount directories should be selected for a controller	Major	nodemanager	Miklos Szegedi	Miklos Szegedi
YARN-6480	Timeout is too aggressive for TestAMRestart.testPreemptedAMRestartOnRMRestart	Major	.	Eric Badger	Eric Badger
HADOOP-14311	Add python2.7-dev to Dockerfile	Major	.	Allen Wittenauer	Allen Wittenauer
YARN-6304	Skip rm.transitionToActive call to RM if RM is already active.	Major	resourcemanager	Rohith Sharma K S	Rohith Sharma K S
HDFS-11615	FSNamesystemLock metrics can be inaccurate due to millisecond precision	Major	hdfs	Erik Krogen	Erik Krogen
HADOOP-14318	Remove non-existent setfattr command option from FileSystemShell.md	Minor	documentation	Doris Gu	Doris Gu
HADOOP-14315	Python example in the rack awareness document doesn't work due to bad indentation	Minor	documentation	Kengo Seki	Kengo Seki
HADOOP-13997	Typo in metrics docs	Trivial	documentation	Daniel Templeton	Ana Krasteva
YARN-6302	Fail the node if Linux Container Executor is not configured properly	Minor	.	Miklos Szegedi	Miklos Szegedi
HDFS-11660	TestFsDatasetCache#testPageRounder fails intermittently with AssertionError	Major	test	Andrew Wang	Andrew Wang
HDFS-11685	TestDistributedFileSystem.java fails to compile	Major	test	John Zhuge	John Zhuge
YARN-6501	FSSchedulerNode.java fails to compile with JDK7	Major	resourcemanager	John Zhuge	John Zhuge
YARN-6453	fairscheduler-statedump.log gets generated regardless of service	Blocker	fairscheduler, scheduler	Allen Wittenauer	Yufei Gu
YARN-6153	keepContainer does not work when AM retry window is set	Major	resourcemanager	kyungwan nam	kyungwan nam
HDFS-11689	New exception thrown by DFSClient#isHDFSEncryptionEnabled broke hacky hive code	Major	.	Yongjun Zhang	Yongjun Zhang
YARN-5889	Improve and refactor user-limit calculation in capacity scheduler	Major	capacity scheduler	Sunil Govindan	Sunil Govindan
YARN-6500	Do not mount inaccessible cgroups directories in CgroupsLCEResourcesHandler	Major	nodemanager	Miklos Szegedi	Miklos Szegedi
HDFS-11691	Add a proper scheme to the datanode links in NN web UI	Major	.	Kihwal Lee	Kihwal Lee
HADOOP-14341	Support multi-line value for ssl.server.exclude.cipher.list	Major	.	John Zhuge	John Zhuge
YARN-5617	AMs only intended to run one attempt can be run more than once	Major	resourcemanager	Jason Lowe	Jason Lowe
YARN-6510	Fix profs stat file warning caused by process names that includes parenthesis	Major	.	Wilfred Spiegelenburg	Wilfred Spiegelenburg
HADOOP-14351	Azure: RemoteWasbAuthorizerImpl and RemoteSASKeyGeneratorImpl should not use Kerberos interactive user cache	Major	fs/azure	Santhosh G Nayak	Santhosh G Nayak
HADOOP-14346	CryptoOutputStream throws IOException on flush() if stream is closed	Major	.	Pierre Lacave	Pierre Lacave
HDFS-11709	StandbyCheckpointer should handle an non-existing legacyOivImageDir gracefully	Critical	ha, namenode	Zhe Zhang	Erik Krogen
YARN-5894	fixed license warning caused by de.ruedigermoeller:fst:jar:2.24	Blocker	yarn	Haibo Chen	Haibo Chen
HADOOP-14320	TestIPC.testIpcWithReaderQueuing fails intermittently	Major	.	Eric Badger	Eric Badger
YARN-6536	TestAMRMClient.testAMRMClientWithSaslEncryption fails intermittently	Major	.	Eric Badger	Jason Lowe
YARN-6520	Fix warnings from Spotbugs in hadoop-yarn-client	Major	.	Weiwei Yang	Weiwei Yang
HDFS-11609	Some blocks can be permanently lost if nodes are decommissioned while dead	Blocker	namenode	Kihwal Lee	Kihwal Lee
HDFS-8498	Blocks can be committed with wrong size	Critical	hdfs-client	Daryn Sharp	Jing Zhao
HDFS-11714	Newly added NN storage directory won't get initialized and cause space exhaustion	Critical	.	Kihwal Lee	Kihwal Lee
HDFS-11593	Change SimpleHttpProxyHandler#exceptionCaught log level from info to debug	Minor	datanode	Xiaoyu Yao	Xiaobing Zhou
HADOOP-14371	License error in TestLoadBalancingKMSClientProvider.java	Major	.	hu xiaodong	hu xiaodong
HADOOP-14369	NetworkTopology calls expensive toString() when logging	Major	.	Íñigo Goiri	Íñigo Goiri
YARN-6519	Fix warnings from Spotbugs in hadoop-yarn-server-resourcemanager	Major	resourcemanager	Weiwei Yang	Weiwei Yang
YARN-6481	Yarn top shows negative container number in FS	Major	yarn	Yufei Gu	Tao Jie
HADOOP-14306	TestLocalFileSystem tests have very low timeouts	Major	.	Eric Badger	Eric Badger
HADOOP-14372	TestSymlinkLocalFS timeouts are too low	Major	.	Eric Badger	Eric Badger
HDFS-11739	Fix regression in tests caused by YARN-679	Major	test	Steve Loughran	Steve Loughran
HADOOP-14207	"dfsadmin -refreshCallQueue" fails with DecayRpcScheduler	Blocker	rpc-server	Surendra Singh Lilhore	Surendra Singh Lilhore
HDFS-11702	Remove indefinite caching of key provider uri in DFSClient	Major	hdfs-client	Rushabh S Shah	Rushabh S Shah
YARN-3839	Quit throwing NMNotYetReadyException	Major	nodemanager	Karthik Kambatla	Manikandan R
HADOOP-14374	License error in GridmixTestUtils.java	Major	.	lixinglong	lixinglong
HADOOP-14100	Upgrade Jsch jar to latest version to fix vulnerability in old versions	Critical	.	Vinayakumar B	Vinayakumar B
YARN-5301	NM mount cpu cgroups failed on some systems	Major	.	sandflee	Miklos Szegedi
HADOOP-14377	Increase Common test timeouts from 1 second to 10 seconds	Major	.	Eric Badger	Eric Badger
YARN-3742	YARN RM will shut down if ZKClient creation times out	Major	resourcemanager	Wilfred Spiegelenburg	Daniel Templeton
HADOOP-14373	License error In org.apache.hadoop.metrics2.util.Servers	Major	.	hu xiaodong	hu xiaodong
YARN-6552	Increase YARN test timeouts from 1 second to 10 seconds	Major	.	Eric Badger	Eric Badger
MAPREDUCE-6882	Increase MapReduce test timeouts from 1 second to 10 seconds	Major	.	Eric Badger	Eric Badger
HADOOP-14405	Fix performance regression due to incorrect use of DataChecksum	Major	native, performance	LiXin Ge	LiXin Ge
HDFS-11745	Increase HDFS test timeouts from 1 second to 10 seconds	Major	.	Eric Badger	Eric Badger
HDFS-11755	Underconstruction blocks can be considered missing	Major	.	Nathan Roberts	Nathan Roberts
YARN-6571	Fix JavaDoc issues in SchedulingPolicy	Trivial	fairscheduler	Daniel Templeton	Weiwei Yang
HADOOP-14361	Azure: NativeAzureFileSystem.getDelegationToken() call fails sometimes when invoked concurrently	Major	fs/azure	Trupti Dhavle	Santhosh G Nayak
HADOOP-14410	Correct spelling of 'beginning' and variants	Trivial	.	Dongtao Zhang	Dongtao Zhang
YARN-5543	ResourceManager SchedulingMonitor could potentially terminate the preemption checker thread	Major	capacityscheduler, resourcemanager	Min Shen	Min Shen
YARN-6380	FSAppAttempt keeps redundant copy of the queue	Major	fairscheduler	Daniel Templeton	Daniel Templeton
HDFS-11674	reserveSpaceForReplicas is not released if append request failed due to mirror down and replica recovered	Critical	datanode	Vinayakumar B	Vinayakumar B
YARN-6580	Incorrect logger for FairSharePolicy	Minor	fairscheduler	Yufei Gu	Vrushali C
HADOOP-14376	Memory leak when reading a compressed file using the native library	Major	common, io	Eli Acherkan	Eli Acherkan
HDFS-11818	TestBlockManager.testSufficientlyReplBlocksUsesNewRack fails intermittently	Major	.	Eric Badger	Nathan Roberts
HDFS-11644	Support for querying outputstream capabilities	Major	erasure-coding	Andrew Wang	Manoj Govindassamy
YARN-6598	History server getApplicationReport NPE when fetching report for pre-2.8 job	Blocker	timelineserver	Jason Lowe	Jason Lowe
YARN-6603	NPE in RMAppsBlock	Major	resourcemanager	Jason Lowe	Jason Lowe
HDFS-11833	HDFS architecture documentation describes outdated placement policy	Minor	.	dud	Chen Liang
HADOOP-14416	Path starting with 'wasb:///' not resolved correctly while authorizing with WASB-Ranger	Major	fs/azure, security	Sivaguru Sankaridurg	Sivaguru Sankaridurg
HDFS-11827	NPE is thrown when log level changed in BlockPlacementPolicyDefault#chooseRandom() method	Major	.	xupeng	xupeng
HADOOP-14412	HostsFileReader#getHostDetails is very expensive on large clusters	Major	util	Jason Lowe	Jason Lowe
HADOOP-14427	Avoid reloading of Configuration in ViewFileSystem creation.	Major	viewfs	Vinayakumar B	Vinayakumar B
HDFS-11842	TestDataNodeOutlierDetectionViaMetrics UT fails	Major	.	Yesha Vora	Hanisha Koneru
YARN-6577	Remove unused ContainerLocalization classes	Minor	nodemanager	ZhangBing Lin	ZhangBing Lin
YARN-6618	TestNMLeveldbStateStoreService#testCompactionCycle can fail if compaction occurs more than once	Minor	test	Jason Lowe	Jason Lowe
YARN-6249	TestFairSchedulerPreemption fails inconsistently.	Major	fairscheduler, resourcemanager	Sean Po	Tao Jie
YARN-6602	Impersonation does not work if standby RM is contacted first	Blocker	client	Robert Kanter	Robert Kanter
HDFS-11863	Document missing metrics for blocks count in pending IBR	Minor	documentation	Yiqun Lin	Yiqun Lin
HDFS-11849	JournalNode startup failure exception should be logged in log file	Major	journal-node	Surendra Singh Lilhore	Surendra Singh Lilhore
YARN-6584	Correct license headers in hadoop-common, hdfs, yarn and mapreduce	Trivial	.	Yeliang Cang	Yeliang Cang
HDFS-11864	Document Metrics to track usage of memory for writes	Major	documentation	Brahma Reddy Battula	Yiqun Lin
YARN-6615	AmIpFilter drops query parameters on redirect	Major	.	Wilfred Spiegelenburg	Wilfred Spiegelenburg
HADOOP-14449	The ASF Header in ComparableVersion.java and SSLHostnameVerifier.java is not correct	Minor	common, documentation	ZhangBing Lin	ZhangBing Lin
HADOOP-14166	Reset the DecayRpcScheduler AvgResponseTime metric to zero when queue is not used	Major	common	Surendra Singh Lilhore	Surendra Singh Lilhore
HDFS-11661	GetContentSummary uses excessive amounts of memory	Blocker	namenode	Nathan Roberts	Wei-Chiu Chuang
YARN-6141	ppc64le on Linux doesn't trigger __linux get_executable codepath	Major	nodemanager	Sonia Garudi	Ayappan
HADOOP-14399	Configuration does not correctly XInclude absolute file URIs	Blocker	conf	Andrew Wang	Jonathan Eagles
HADOOP-14430	the accessTime of FileStatus returned by SFTPFileSystem's getFileStatus method is always 0	Trivial	fs	Hongyuan Li	Hongyuan Li
HDFS-11445	FSCK shows overall health status as corrupt even one replica is corrupt	Critical	.	Brahma Reddy Battula	Brahma Reddy Battula
YARN-6643	TestRMFailover fails rarely due to port conflict	Major	test	Robert Kanter	Robert Kanter
HDFS-11817	A faulty node can cause a lease leak and NPE on accessing data	Critical	.	Kihwal Lee	Kihwal Lee
YARN-6641	Non-public resource localization on a bad disk causes subsequent containers failure	Major	.	Kuhu Shukla	Kuhu Shukla
HADOOP-14431	ModifyTime of FileStatus returned by SFTPFileSystem's getFileStatus method is wrong	Major	fs	Hongyuan Li	Hongyuan Li
HDFS-11078	Fix NPE in LazyPersistFileScrubber	Major	.	Íñigo Goiri	Íñigo Goiri
HADOOP-14464	hadoop-aws doc header warning #5 line wrapped	Trivial	documentation, fs/s3	John Zhuge	John Zhuge
HDFS-11659	TestDataNodeHotSwapVolumes.testRemoveVolumeBeingWritten fail due to no DataNode available for pipeline recovery.	Major	datanode	Lei (Eddy) Xu	Lei (Eddy) Xu
YARN-6366	Refactor the NodeManager DeletionService to support additional DeletionTask types.	Major	nodemanager, yarn	Shane Kumpf	Shane Kumpf
HDFS-5042	Completed files lost after power failure	Critical	.	Dave Latham	Vinayakumar B
YARN-6649	RollingLevelDBTimelineServer throws RuntimeException if object decoding ever fails runtime exception	Critical	.	Jonathan Eagles	Jonathan Eagles
HADOOP-9849	License information is missing for native CRC32 code	Critical	.	Timothy St. Clair	Andrew Wang
HDFS-11893	Fix TestDFSShell.testMoveWithTargetPortEmpty failure.	Major	test	Konstantin Shvachko	Brahma Reddy Battula
HADOOP-14460	Azure: update doc for live and contract tests	Major	documentation, fs/azure	Mingliang Liu	Mingliang Liu
HDFS-11741	Long running balancer may fail due to expired DataEncryptionKey	Major	balancer & mover	Wei-Chiu Chuang	Wei-Chiu Chuang
HDFS-11856	Ability to re-add Upgrading Nodes (remote) to pipeline for future pipeline updates	Major	hdfs-client, rolling upgrades	Vinayakumar B	Vinayakumar B
HDFS-11905	Fix license header inconsistency in hdfs	Trivial	.	Yeliang Cang	Yeliang Cang
HADOOP-14436	Remove the redundant colon in ViewFs.md	Major	documentation	maobaolong	maobaolong
HADOOP-14474	Use OpenJDK 7 instead of Oracle JDK 7 to avoid oracle-java7-installer failures	Major	build	Akira Ajisaka	Akira Ajisaka
HDFS-11899	ASF License warnings generated intermittently in trunk	Major	.	Yiqun Lin	Yiqun Lin
HADOOP-14428	s3a: mkdir appears to be broken	Blocker	fs/s3	Aaron Fabbri	Mingliang Liu
HDFS-11928	Segment overflow in FileDistributionCalculator	Major	tools	LiXin Ge	LiXin Ge
HDFS-10816	TestComputeInvalidateWork#testDatanodeReRegistration fails due to race between test and replication monitor	Major	.	Eric Badger	Eric Badger
HADOOP-14478	Optimize NativeAzureFsInputStream for positional reads	Major	fs/azure	Rajesh Balamohan	Rajesh Balamohan
HADOOP-14472	Azure: TestReadAndSeekPageBlobAfterWrite fails intermittently	Major	fs/azure, test	Mingliang Liu	Mingliang Liu
HDFS-11932	BPServiceActor thread name is not correctly set	Major	hdfs	Chen Liang	Chen Liang
HDFS-11708	Positional read will fail if replicas moved to different DNs after stream is opened	Critical	hdfs-client	Vinayakumar B	Vinayakumar B
HDFS-11929	Document missing processor of hdfs oiv_legacy command	Minor	documentation, tools	LiXin Ge	LiXin Ge
HDFS-11711	DN should not delete the block On "Too many open files" Exception	Critical	datanode	Brahma Reddy Battula	Brahma Reddy Battula
MAPREDUCE-6676	NNBench should Throw IOException when rename and delete fails	Major	.	Brahma Reddy Battula	Brahma Reddy Battula
HADOOP-14500	Azure: TestFileSystemOperationExceptionHandling{,MultiThreaded} fails	Major	fs/azure, test	Mingliang Liu	Rajesh Balamohan
HADOOP-14283	Upgrade AWS SDK to 1.11.134	Critical	fs/s3	Aaron Fabbri	Aaron Fabbri
HADOOP-14511	WritableRpcEngine.Invocation#toString NPE on null parameters	Minor	ipc	John Zhuge	John Zhuge
YARN-6585	RM fails to start when upgrading from 2.7 to 2.8 for clusters with node labels.	Blocker	.	Eric Payne	Sunil Govindan
YARN-6703	RM startup failure with old state store due to version mismatch	Critical	.	Bibin A Chundatt	Varun Saxena
HADOOP-14501	Switch from aalto-xml to woodstox to handle odd XML features	Blocker	conf	Andrew Wang	Jonathan Eagles
HDFS-11967	TestJMXGet fails occasionally	Major	.	Arpit Agarwal	Arpit Agarwal
HDFS-11947	When constructing a thread name, BPOfferService may print a bogus warning message	Minor	datanode	Tsz Wo Nicholas Sze	Weiwei Yang
MAPREDUCE-6895	Job end notification not send due to YarnRuntimeException	Major	applicationmaster	yunjiong zhao	yunjiong zhao
HADOOP-14486	TestSFTPFileSystem#testGetAccessTime test failure using openJDK 1.8.0	Major	fs	Sonia Garudi	Hongyuan Li
MAPREDUCE-6897	Add Unit Test to make sure Job end notification get sent even appMaster stop get YarnRuntimeException	Minor	.	Junping Du	Gergely Novák
YARN-6517	Fix warnings from Spotbugs in hadoop-yarn-common	Major	.	Weiwei Yang	Weiwei Yang
YARN-6719	Fix findbugs warnings in SLSCapacityScheduler.java	Major	.	Akira Ajisaka	Akira Ajisaka
HADOOP-14540	Replace MRv1 specific terms in HostsFileReader	Minor	documentation	Akira Ajisaka	hu xiaodong
HDFS-11995	HDFS Architecture documentation incorrectly describes writing to a local temporary file.	Minor	documentation	Chris Nauroth	Nanda kumar
HDFS-11736	OIV tests should not write outside 'target' directory.	Major	.	Konstantin Shvachko	Yiqun Lin
YARN-6713	Fix dead link in the Javadoc of FairSchedulerEventLog.java	Minor	documentation	Akira Ajisaka	Weiwei Yang
HADOOP-14533	Size of args cannot be less than zero in TraceAdmin#run as its linkedlist	Trivial	common, tracing	Weisen Han	Weisen Han
HDFS-11960	Successfully closed files can stay under-replicated.	Critical	.	Kihwal Lee	Kihwal Lee
HADOOP-14429	FTPFileSystem#getFsAction always returns FsAction.NONE	Major	fs	Hongyuan Li	Hongyuan Li
HDFS-12010	TestCopyPreserveFlag fails consistently because of mismatch in access time	Major	hdfs, test	Mukul Kumar Singh	Mukul Kumar Singh
HADOOP-14568	GenericTestUtils#waitFor missing parameter verification	Major	test	Yiqun Lin	Yiqun Lin
HADOOP-14146	KerberosAuthenticationHandler should authenticate with SPN in AP-REQ	Major	security	Daryn Sharp	Daryn Sharp
YARN-5876	TestResourceTrackerService#testGracefulDecommissionWithApp fails intermittently on trunk	Major	.	Varun Saxena	Robert Kanter
HADOOP-14543	ZKFC should use getAversion() while setting the zkacl	Major	.	Brahma Reddy Battula	Brahma Reddy Battula
YARN-5006	ResourceManager quit due to ApplicationStateData exceed the limit size of znode in zk	Critical	resourcemanager	dongtingting	Bibin A Chundatt
HADOOP-14461	Azure: handle failure gracefully in case of missing account access key	Major	fs/azure	Mingliang Liu	Mingliang Liu
HDFS-12040	TestFsDatasetImpl.testCleanShutdownOfVolume fails	Major	test	Akira Ajisaka	hu xiaodong
HADOOP-14594	ITestS3AFileOperationCost::testFakeDirectoryDeletion to uncomment metric assertions	Major	fs/s3	Mingliang Liu	Mingliang Liu
YARN-6467	CSQueueMetrics needs to update the current metrics for default partition only	Major	capacity scheduler	Naganarasimha G R	Manikandan R
HADOOP-14024	KMS JMX endpoint throws ClassNotFoundException	Critical	kms	Andrew Wang	John Zhuge
HDFS-12043	Add counters for block re-replication	Major	.	Chen Liang	Chen Liang
YARN-6344	Add parameter for rack locality delay in CapacityScheduler	Major	capacityscheduler	Konstantinos Karanasos	Konstantinos Karanasos
MAPREDUCE-6905	Fix meaningless operations in TestDFSIO in some situation.	Major	tools/rumen	LiXin Ge	LiXin Ge
HDFS-12079	Description of dfs.block.invalidate.limit is incorrect in hdfs-default.xml	Minor	documentation	Weiwei Yang	Weiwei Yang
MAPREDUCE-6909	LocalJobRunner fails when run on a node from multiple users	Blocker	client	Jason Lowe	Jason Lowe
HADOOP-13414	Hide Jetty Server version header in HTTP responses	Major	security	Vinayakumar B	Surendra Singh Lilhore
MAPREDUCE-6911	TestMapreduceConfigFields.testCompareXmlAgainstConfigurationClass fails consistently	Major	.	Eric Badger	Eric Badger
YARN-6708	Nodemanager container crash after ext3 folder limit	Critical	.	Bibin A Chundatt	Bibin A Chundatt
HADOOP-14563	LoadBalancingKMSClientProvider#warmUpEncryptedKeys swallows IOException	Major	.	Rushabh S Shah	Rushabh S Shah
YARN-6428	Queue AM limit is not honored in CS always	Major	.	Bibin A Chundatt	Bibin A Chundatt
YARN-6770	[Docs] A small mistake in the example of TimelineClient	Trivial	docs	Jinjiang Ling	Jinjiang Ling
HADOOP-10829	Iteration on CredentialProviderFactory.serviceLoader is thread-unsafe	Major	security	Benoy Antony	Benoy Antony
HADOOP-14581	Restrict setOwner to list of user when security is enabled in wasb	Major	fs/azure	Varada Hemeswari	Varada Hemeswari
YARN-6809	Fix typo in ResourceManagerHA.md	Trivial	documentation	Akira Ajisaka	Yeliang Cang
YARN-6797	TimelineWriter does not fully consume the POST response	Major	timelineclient	Jason Lowe	Jason Lowe
HDFS-11502	Datanode UI should display hostname based on JMX bean instead of window.location.hostname	Major	hdfs	Jeffrey E Rodriguez	Jeffrey E Rodriguez
HADOOP-14646	FileContextMainOperationsBaseTest#testListStatusFilterWithSomeMatches never runs	Minor	test	Andras Bokor	Andras Bokor
HADOOP-14658	branch-2 compilation is broken in hadoop-azure	Blocker	build, fs/azure	Sunil Govindan	Sunil Govindan
MAPREDUCE-6697	Concurrent task limits should only be applied when necessary	Major	mrv2	Jason Lowe	Nathan Roberts
YARN-6654	RollingLevelDBTimelineStore backwards incompatible after fst upgrade	Blocker	.	Jonathan Eagles	Jonathan Eagles
YARN-6805	NPE in LinuxContainerExecutor due to null PrivilegedOperationException exit code	Major	nodemanager	Jason Lowe	Jason Lowe
YARN-6792	Incorrect XML convertion in NodeIDsInfo and LabelsToNodesInfo	Blocker	resourcemanager	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-6769	Make schedulables without demand less needy in FairSharePolicy#compare	Major	fairscheduler	YunFan Zhou	YunFan Zhou
YARN-6759	Fix TestRMRestart.testRMRestartWaitForPreviousAMToFinish failure	Major	.	Naganarasimha G R	Naganarasimha G R
YARN-3260	AM attempt fail to register before RM processes launch event	Critical	resourcemanager	Jason Lowe	Bibin A Chundatt
HDFS-12140	Remove BPOfferService lock contention to get block pool id	Critical	datanode	Daryn Sharp	Daryn Sharp
HDFS-12112	TestBlockManager#testBlockManagerMachinesArray sometimes fails with NPE	Minor	.	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-6714	IllegalStateException while handling APP_ATTEMPT_REMOVED event when async-scheduling enabled in CapacityScheduler	Major	.	Tao Yang	Tao Yang
MAPREDUCE-6889	Add Job#close API to shutdown MR client services.	Major	.	Rohith Sharma K S	Rohith Sharma K S
MAPREDUCE-6910	MapReduceTrackingUriPlugin can not return the right URI of history server with HTTPS	Major	jobhistoryserver	Lantao Jin	Lantao Jin
HDFS-12154	Incorrect javadoc description in StorageLocationChecker#check	Major	.	Nanda kumar	Nanda kumar
YARN-6798	Fix NM startup failure with old state store due to version mismatch	Major	nodemanager	Ray Chiang	Botong Huang
HADOOP-14637	GenericTestUtils.waitFor needs to check condition again after max wait time	Major	.	Daniel Templeton	Daniel Templeton
YARN-6819	Application report fails if app rejected due to nodesize	Major	.	Bibin A Chundatt	Bibin A Chundatt
HADOOP-14669	GenericTestUtils.waitFor should use monotonic time	Trivial	test	Jason Lowe	Daniel Templeton
HDFS-12158	Secondary Namenode's web interface lack configs for X-FRAME-OPTIONS protection	Major	namenode	Mukul Kumar Singh	Mukul Kumar Singh
HDFS-12139	HTTPFS liststatus returns incorrect pathSuffix for path of file	Major	httpfs	Yongjun Zhang	Yongjun Zhang
YARN-6837	Null LocalResource visibility or resource type can crash the nodemanager	Major	.	Jinjiang Ling	Jinjiang Ling
HDFS-11472	Fix inconsistent replica size after a data pipeline failure	Critical	datanode	Wei-Chiu Chuang	Erik Krogen
HDFS-11742	Improve balancer usability after HDFS-8818	Blocker	.	Kihwal Lee	Kihwal Lee
HDFS-12176	dfsadmin shows DFS Used%: NaN% if the cluster has zero block.	Trivial	.	Wei-Chiu Chuang	Weiwei Yang
YARN-6844	AMRMClientImpl.checkNodeLabelExpression() has wrong error message	Minor	.	Daniel Templeton	Manikandan R
YARN-6150	TestContainerManagerSecurity tests for Yarn Server are flakey	Major	test	Daniel Sturman	Daniel Sturman
YARN-6307	Refactor FairShareComparator#compare	Major	fairscheduler	Yufei Gu	Yufei Gu
HADOOP-14578	Bind IPC connections to kerberos UPN host for proxy users	Major	ipc	Daryn Sharp	Daryn Sharp
HDFS-11896	Non-dfsUsed will be doubled on dead node re-registration	Blocker	.	Brahma Reddy Battula	Brahma Reddy Battula
YARN-6870	Fix floating point inaccuracies in resource availability check in AllocationBasedResourceUtilizationTracker	Major	api, nodemanager	Brook Zhou	Brook Zhou
YARN-5728	TestMiniYarnClusterNodeUtilization.testUpdateNodeUtilization timeout	Major	test	Akira Ajisaka	Akira Ajisaka
HADOOP-14677	mvn clean compile fails	Major	build	Andras Bokor	Andras Bokor
HDFS-12082	BlockInvalidateLimit value is incorrectly set after namenode heartbeat interval reconfigured	Major	hdfs, namenode	Weiwei Yang	Weiwei Yang
YARN-6628	Unexpected jackson-core-2.2.3 dependency introduced	Blocker	timelineserver	Jason Lowe	Jonathan Eagles
HADOOP-14644	Increase max heap size of Maven javadoc plugin	Major	test	Andras Bokor	Andras Bokor
MAPREDUCE-6921	TestUmbilicalProtocolWithJobToken#testJobTokenRpc fails	Major	.	Sonia Garudi	Sonia Garudi
HADOOP-14676	Wrong default value for "fs.df.interval"	Major	common, conf, fs	Konstantin Shvachko	Sherwood Zheng
HADOOP-14701	Configuration can log misleading warnings about an attempt to override final parameter	Major	conf	Andrew Sherman	Andrew Sherman
YARN-5731	Preemption calculation is not accurate when reserved containers are present in queue.	Major	capacity scheduler	Sunil Govindan	Wangda Tan
HADOOP-14683	FileStatus.compareTo binary compatible issue	Blocker	.	Sergey Shelukhin	Akira Ajisaka
HADOOP-14702	Fix formatting issue and regression caused by conversion from APT to Markdown	Minor	documentation	Doris Gu	Doris Gu
YARN-6872	Ensure apps could run given NodeLabels are disabled post RM switchover/restart	Major	resourcemanager	Sunil Govindan	Sunil Govindan
HDFS-12217	HDFS snapshots doesn't capture all open files when one of the open files is deleted	Major	snapshots	Manoj Govindassamy	Manoj Govindassamy
YARN-6846	Nodemanager can fail to fully delete application local directories when applications are killed	Critical	nodemanager	Jason Lowe	Jason Lowe
YARN-6678	Handle IllegalStateException in Async Scheduling mode of CapacityScheduler	Major	capacityscheduler	Tao Yang	Tao Yang
YARN-6895	[FairScheduler] Preemption reservation may cause regular reservation leaks	Blocker	fairscheduler	Miklos Szegedi	Miklos Szegedi
HADOOP-14722	Azure: BlockBlobInputStream position incorrect after seek	Major	fs/azure	Thomas Marquardt	Thomas Marquardt
YARN-6951	Fix debug log when Resource Handler chain is enabled	Minor	.	Yang Wang	Yang Wang
HADOOP-14727	Socket not closed properly when reading Configurations with BlockReaderRemote	Blocker	conf	Xiao Chen	Jonathan Eagles
YARN-6920	Fix resource leak that happens during container re-initialization.	Major	nodemanager	Arun Suresh	Arun Suresh
HDFS-12198	Document missing namenode metrics that were added recently	Minor	documentation	Yiqun Lin	Yiqun Lin
HADOOP-14680	Azure: IndexOutOfBoundsException in BlockBlobInputStream	Minor	fs/azure	Rajesh Balamohan	Thomas Marquardt
MAPREDUCE-6927	MR job should only set tracking url if history was successfully written	Major	.	Eric Badger	Eric Badger
HDFS-10326	Disable setting tcp socket send/receive buffers for write pipelines	Major	datanode, hdfs	Daryn Sharp	Daryn Sharp
HADOOP-14598	Blacklist Http/HttpsFileSystem in FsUrlStreamHandlerFactory	Major	fs/azure, test	Steve Loughran	Steve Loughran
HDFS-12157	Do fsyncDirectory(..) outside of FSDataset lock	Critical	datanode	Vinayakumar B	Vinayakumar B
HDFS-12278	LeaseManager operations are inefficient in 2.8.	Blocker	namenode	Rushabh S Shah	Rushabh S Shah
HADOOP-14743	CompositeGroupsMapping should not swallow exceptions	Major	security	Wei-Chiu Chuang	Wei-Chiu Chuang
HADOOP-14754	TestCommonConfigurationFields failed: core-default.xml has 2 wasb properties missing in classes	Minor	common, fs/azure	John Zhuge	John Zhuge
YARN-5927	BaseContainerManagerTest::waitForNMContainerState timeout accounting is not accurate	Trivial	.	Miklos Szegedi	Kai Sasaki
YARN-6967	Limit application attempt's diagnostic message size thoroughly	Major	resourcemanager	Chengbing Liu	Chengbing Liu
HDFS-11303	Hedged read might hang infinitely if read data from all DN failed	Major	hdfs-client	Chen Zhang	Chen Zhang
YARN-6996	Change javax.cache library implementation from JSR107 to Apache Geronimo	Blocker	.	Ray Chiang	Ray Chiang
YARN-6987	Log app attempt during InvalidStateTransition	Major	.	Jonathan Eagles	Jonathan Eagles
HADOOP-14773	Extend ZKCuratorManager API for more reusability	Major	.	Íñigo Goiri	Íñigo Goiri
YARN-6965	Duplicate instantiation in FairSchedulerQueueInfo	Minor	fairscheduler	Masahiro Tanaka	Masahiro Tanaka
YARN-7020	TestAMRMProxy#testAMRMProxyTokenRenewal is flakey	Major	.	Robert Kanter	Robert Kanter
MAPREDUCE-6940	Copy-paste error in the TaskAttemptUnsuccessfulCompletionEvent constructor	Minor	.	Oleg Danilov	Oleg Danilov
MAPREDUCE-6936	Remove unnecessary dependency of hadoop-yarn-server-common from hadoop-mapreduce-client-common	Major	mrv2	Haibo Chen	Haibo Chen
YARN-7007	NPE in RM while using YarnClient.getApplications()	Major	.	Lingfeng Su	Lingfeng Su
HDFS-12325	SFTPFileSystem operations should restore cwd	Major	.	Namit Maheshwari	Chen Liang
HDFS-11738	Hedged pread takes more time when block moved from initial locations	Major	hdfs-client	Vinayakumar B	Vinayakumar B
YARN-2416	InvalidStateTransitonException in ResourceManager if AMLauncher does not receive response for startContainers() call in time	Critical	resourcemanager	Jian Fang	Jonathan Eagles
YARN-7048	Fix tests faking kerberos to explicitly set ugi auth type	Major	yarn	Daryn Sharp	Daryn Sharp
HADOOP-14687	AuthenticatedURL will reuse bad/expired session cookies	Critical	common	Daryn Sharp	Daryn Sharp
YARN-6251	Do async container release to prevent deadlock during container updates	Major	.	Arun Suresh	Arun Suresh
YARN-7090	testRMRestartAfterNodeLabelDisabled get failed when CapacityScheduler is configured	Major	test	Yesha Vora	Wangda Tan
YARN-7074	Fix NM state store update comment	Minor	nodemanager	Botong Huang	Botong Huang
YARN-6640	AM heartbeat stuck when responseId overflows MAX_INT	Blocker	.	Botong Huang	Botong Huang
HDFS-12319	DirectoryScanner will throw IllegalStateException when Multiple BP's are present	Blocker	.	Brahma Reddy Battula	Brahma Reddy Battula
HDFS-12299	Race Between update pipeline and DN Re-Registration	Critical	.	Brahma Reddy Battula	Brahma Reddy Battula
YARN-7052	RM SchedulingMonitor gives no indication why the spawned thread crashed.	Critical	yarn	Eric Payne	Eric Payne
YARN-7087	NM failed to perform log aggregation due to absent container	Blocker	log-aggregation	Jason Lowe	Jason Lowe
HDFS-12215	DataNode#transferBlock does not create its daemon in the xceiver thread group	Major	datanode	Lei (Eddy) Xu	Lei (Eddy) Xu
YARN-7051	Avoid concurrent modification exception in FifoIntraQueuePreemptionPlugin	Critical	capacity scheduler, scheduler preemption, yarn	Eric Payne	Eric Payne
YARN-7099	ResourceHandlerModule.parseConfiguredCGroupPath only works for privileged yarn users.	Minor	nodemanager	Miklos Szegedi	Miklos Szegedi
YARN-7112	TestAMRMProxy is failing with invalid request	Major	.	Jason Lowe	Jason Lowe
HDFS-12293	DataNode should log file name on disk error	Major	datanode	Wei-Chiu Chuang	Ajay Kumar
YARN-7076	yarn application -list -appTypes <appType> is not working	Blocker	.	Jian He	Jian He
YARN-5816	TestDelegationTokenRenewer#testCancelWithMultipleAppSubmissions is still flakey	Minor	resourcemanager, test	Daniel Templeton	Robert Kanter
MAPREDUCE-6641	TestTaskAttempt fails in trunk	Major	test	Tsuyoshi Ozawa	Haibo Chen
YARN-6756	ContainerRequest#executionTypeRequest causes NPE	Critical	.	Jian He	Jian He
HDFS-12191	Provide option to not capture the accessTime change of a file to snapshot if no other modification has been done to this file	Major	hdfs, namenode	Yongjun Zhang	Yongjun Zhang
YARN-6982	Potential issue on setting AMContainerSpec#tokenConf to null before app is completed	Major	.	Rohith Sharma K S	Manikandan R
HDFS-12336	Listing encryption zones still fails when deleted EZ is not a direct child of snapshottable directory	Minor	encryption, hdfs	Wellington Chevreuil	Wellington Chevreuil
HADOOP-14814	Fix incompatible API change on FsServerDefaults to HADOOP-14104	Blocker	.	Junping Du	Junping Du
MAPREDUCE-6931	Remove TestDFSIO "Total Throughput" calculation	Critical	benchmarks, test	Dennis Huo	Dennis Huo
YARN-7077	TestAMSimulator and TestNMSimulator fail	Major	test	Akira Ajisaka	Akira Ajisaka
YARN-7116	CapacityScheduler Web UI: Queue's AM usage is always show on per-user's AM usage.	Major	capacity scheduler, webapp	Wangda Tan	Wangda Tan
HDFS-12317	HDFS metrics render error in the page of Github	Minor	documentation, metrics	Yiqun Lin	Yiqun Lin
HADOOP-14824	Update ADLS SDK to 2.2.2 for MSI fix	Major	fs/adl	Atul Sikaria	Atul Sikaria
YARN-7120	CapacitySchedulerPage NPE in "Aggregate scheduler counts" section	Minor	.	Eric Payne	Eric Payne
YARN-7023	Incorrect ReservationId.compareTo() implementation	Minor	reservation system	Oleg Danilov	Oleg Danilov
HADOOP-14820	Wasb mkdirs security checks inconsistent with HDFS	Major	fs/azure	Sivaguru Sankaridurg	Sivaguru Sankaridurg
YARN-7164	TestAMRMClientOnRMRestart fails sporadically with bind address in use	Major	test	Jason Lowe	Jason Lowe
YARN-6992	Kill application button is visible even if the application is FINISHED in RM UI	Major	.	Sumana Sathish	Suma Shivaprasad
HDFS-12357	Let NameNode to bypass external attribute provider for special user	Major	.	Yongjun Zhang	Yongjun Zhang
HDFS-12369	Edit log corruption due to hard lease recovery of not-closed file which has snapshots	Major	namenode	Xiao Chen	Xiao Chen
HADOOP-14842	Hadoop 2.8.2 release build process get stuck due to java issue	Blocker	build	Junping Du	Junping Du
YARN-6219	NM web server related UT fails with "NMWebapps failed to start."	Major	.	Yesha Vora	Jason Lowe
HDFS-12407	Journal nodes fails to shutdown cleanly if JournalNodeHttpServer or JournalNodeRpcServer fails to start	Major	.	Ajay Kumar	Ajay Kumar
YARN-7185	ContainerScheduler should only look at availableResource for GUARANTEED containers when OPPORTUNISTIC container queuing is enabled.	Blocker	yarn	Sumana Sathish	Tan, Wangda
HADOOP-14867	Update HDFS Federation setup document, for incorrect property name for secondary name node http address	Major	.	Bharat Viswanadham	Bharat Viswanadham
YARN-4727	Unable to override the $HADOOP_CONF_DIR env variable for container	Major	nodemanager	Terence Yim	Jason Lowe
MAPREDUCE-6957	shuffle hangs after a node manager connection timeout	Major	mrv2	Jooseong Kim	Jooseong Kim
YARN-7163	RMContext need not to be injected to webapp and other Always Running services.	Blocker	resourcemanager	Rohith Sharma K S	Rohith Sharma K S
HDFS-12424	Datatable sorting on the Datanode Information page in the Namenode UI is broken	Major	.	Shawna Martell	Shawna Martell
HDFS-12323	NameNode terminates after full GC thinking QJM unresponsive if full GC is much longer than timeout	Major	namenode, qjm	Erik Krogen	Erik Krogen
YARN-7149	Cross-queue preemption sometimes starves an underserved queue	Major	capacity scheduler	Eric Payne	Eric Payne
YARN-7192	Add a pluggable StateMachine Listener that is notified of NM Container State changes	Major	.	Arun Suresh	Arun Suresh
MAPREDUCE-6960	Shuffle Handler prints disk error stack traces for every read failure.	Major	.	Kuhu Shukla	Kuhu Shukla
HDFS-11799	Introduce a config to allow setting up write pipeline with fewer nodes than replication factor	Major	.	Yongjun Zhang	Brahma Reddy Battula
YARN-7196	Fix finicky TestContainerManager tests	Major	.	Arun Suresh	Arun Suresh
YARN-6771	Use classloader inside configuration class to make new classes	Major	.	Jongyoul Lee	Jongyoul Lee
HDFS-12526	FSDirectory should use Time.monotonicNow for durations	Minor	.	Chetna Chaudhari	Bharat Viswanadham
YARN-6968	Hardcoded absolute pathname in DockerLinuxContainerRuntime	Major	nodemanager	Miklos Szegedi	Eric Badger
HDFS-12371	"BlockVerificationFailures" and "BlocksVerified" show up as 0 in Datanode JMX	Major	metrics	Sai Nukavarapu	Hanisha Koneru
MAPREDUCE-6964	BaileyBorweinPlouffe should use Time.monotonicNow for measuring durations	Minor	examples	Chetna Chaudhari	Chetna Chaudhari
YARN-5195	RM intermittently crashed with NPE while handling APP_ATTEMPT_REMOVED event when async-scheduling enabled in CapacityScheduler	Major	resourcemanager	Karam Singh	sandflee
YARN-7034	DefaultLinuxContainerRuntime and DockerLinuxContainerRuntime sends client environment variables to container-executor	Blocker	nodemanager	Miklos Szegedi	Miklos Szegedi
MAPREDUCE-6966	DistSum should use Time.monotonicNow for measuring durations	Minor	.	Chetna Chaudhari	Chetna Chaudhari
MAPREDUCE-6965	QuasiMonteCarlo should use Time.monotonicNow for measuring durations	Minor	examples	Chetna Chaudhari	Chetna Chaudhari
MAPREDUCE-6967	gridmix/SleepReducer should use Time.monotonicNow for measuring durations	Minor	.	Chetna Chaudhari	Chetna Chaudhari
HDFS-12531	Fix conflict in the javadoc of UnderReplicatedBlocks.java in branch-2	Minor	documentation	Akira Ajisaka	Bharat Viswanadham
YARN-7153	Remove duplicated code in AMRMClientAsyncImpl.java	Minor	client	Sen Zhao	Sen Zhao
HADOOP-14901	ReuseObjectMapper in Hadoop Common	Minor	.	Hanisha Koneru	Hanisha Koneru
YARN-7118	AHS REST API can return NullPointerException	Major	.	Prabhu Joseph	Billie Rinaldi
HDFS-12495	TestPendingInvalidateBlock#testPendingDeleteUnknownBlocks fails intermittently	Major	.	Eric Badger	Eric Badger
HADOOP-14891	Remove references to Guava Objects.toStringHelper	Major	.	Jonathan Eagles	Jonathan Eagles
HADOOP-14822	hadoop-project/pom.xml is executable	Minor	.	Akira Ajisaka	Ajay Kumar
YARN-7157	Add admin configuration to filter per-user's apps in secure cluster	Major	webapp	Sunil Govindan	Sunil Govindan
YARN-7257	AggregatedLogsBlock reports a bad 'end' value as a bad 'start' value	Major	log-aggregation	Jason Lowe	Jason Lowe
YARN-7248	NM returns new SCHEDULED container status to older clients	Blocker	nodemanager	Jason Lowe	Arun Suresh
HADOOP-14902	LoadGenerator#genFile write close timing is incorrectly calculated	Major	fs	Jason Lowe	Hanisha Koneru
YARN-7260	yarn.router.pipeline.cache-max-size is missing in yarn-default.xml	Major	.	Rohith Sharma K S	Jason Lowe
YARN-7084	TestSchedulingMonitor#testRMStarts fails sporadically	Major	.	Jason Lowe	Jason Lowe
YARN-6625	yarn application -list returns a tracking URL for AM that doesn't work in secured and HA environment	Major	amrmproxy	Yufei Gu	Yufei Gu
YARN-7044	TestContainerAllocation#testAMContainerAllocationWhenDNSUnavailable fails	Major	capacity scheduler, test	Wangda Tan	Akira Ajisaka
YARN-7226	Whitelisted variables do not support delayed variable expansion	Major	nodemanager	Jason Lowe	Jason Lowe
YARN-7258	Add Node and Rack Hints to Opportunistic Scheduler	Major	.	Arun Suresh	kartheek muthyala
YARN-7285	ContainerExecutor always launches with priorities due to yarn-default property	Minor	nodemanager	Jason Lowe	Jason Lowe
YARN-7245	Max AM Resource column in Active Users Info section of Capacity Scheduler UI page should be updated per-user	Major	capacity scheduler, yarn	Eric Payne	Eric Payne
YARN-7309	TestClientRMService#testUpdateApplicationPriorityRequest and TestClientRMService#testUpdatePriorityAndKillAppWithZeroClusterResource test functionality not supported by FairScheduler	Major	test	Robert Kanter	Robert Kanter
HADOOP-14912	FairCallQueue may defer servicing calls	Major	ipc	Daryn Sharp	Daryn Sharp
MAPREDUCE-6951	Improve exception message when mapreduce.jobhistory.webapp.address is in wrong format	Major	applicationmaster	Prabhu Joseph	Prabhu Joseph
HADOOP-13556	Change Configuration.getPropsWithPrefix to use getProps instead of iterator	Major	.	Larry McCay	Larry McCay
HADOOP-13102	Update GroupsMapping documentation to reflect the new changes	Major	documentation	Anu Engineer	Esther Kundin
YARN-7270	Fix unsafe casting from long to int for class Resource and its sub-classes	Major	resourcemanager	Yufei Gu	Yufei Gu
YARN-7269	Tracking URL in the app state does not get redirected to ApplicationMaster for Running applications	Critical	.	Sumana Sathish	Tan, Wangda
YARN-7321	Backport container-executor changes from YARN-6852 to branch-2	Major	.	Varun Vasudev	Varun Vasudev
HDFS-12659	Update TestDeadDatanode#testNonDFSUsedONDeadNodeReReg to increase heartbeat recheck interval	Minor	.	Ajay Kumar	Ajay Kumar
HDFS-12485	expunge may fail to remove trash from encryption zone	Major	.	Wei-Chiu Chuang	Wei-Chiu Chuang
HADOOP-14949	TestKMS#testACLs fails intermittently	Major	kms, test	Xiao Chen	Xiao Chen
YARN-7124	LogAggregationTFileController deletes/renames while file is open	Critical	nodemanager	Daryn Sharp	Jason Lowe
YARN-7333	container-executor fails to remove entries from a directory that is not writable or executable	Critical	.	Jason Lowe	Jason Lowe
YARN-7341	TestRouterWebServiceUtil#testMergeMetrics is flakey	Major	federation	Robert Kanter	Robert Kanter
HADOOP-14958	CLONE - Fix source-level compatibility after HADOOP-11252	Blocker	.	Junping Du	Junping Du
YARN-7294	TestSignalContainer#testSignalRequestDeliveryToNM fails intermittently with Fair scheduler	Major	.	Miklos Szegedi	Miklos Szegedi
YARN-7170	Improve bower dependencies for YARN UI v2	Critical	webapp	Sunil Govindan	Sunil Govindan
YARN-7355	TestDistributedShell should be scheduler agnostic	Major	.	Haibo Chen	Haibo Chen
HADOOP-14942	DistCp#cleanup() should check whether jobFS is null	Minor	.	Ted Yu	Andras Bokor
HDFS-12683	DFSZKFailOverController re-order logic for logging Exception	Major	.	Bharat Viswanadham	Bharat Viswanadham
HADOOP-14966	Handle JDK-8071638 for hadoop-common	Blocker	.	Bibin A Chundatt	Bibin A Chundatt
HDFS-12695	Add a link to HDFS router federation document in site.xml	Minor	documentation	Yiqun Lin	Yiqun Lin
YARN-7382	NoSuchElementException in FairScheduler after failover causes RM crash	Blocker	fairscheduler	Robert Kanter	Robert Kanter
YARN-7385	TestFairScheduler#testUpdateDemand and TestFSLeafQueue#testUpdateDemand are failing with NPE	Major	test	Robert Kanter	Yufei Gu
YARN-7339	LocalityMulticastAMRMProxyPolicy should handle cancel request properly	Minor	.	Botong Huang	Botong Huang
HDFS-12710	HTTPFS HTTP max header size env variable is not respected in branch-2	Minor	.	Istvan Fajth	Istvan Fajth
HDFS-9914	Fix configurable WebhDFS connect/read timeout	Blocker	hdfs-client, webhdfs	Xiaoyu Yao	Xiaoyu Yao
YARN-7375	Possible NPE in RMWebapp when HA is enabled and the active RM fails	Major	.	Chandni Singh	Chandni Singh
HADOOP-14986	Enforce JDK limitations	Major	build	Chris Douglas	Chris Douglas
HADOOP-14991	Add missing figures to Resource Estimator tool	Major	.	Subru Krishnan	Rui Li
YARN-7299	Fix TestDistributedScheduler	Major	.	Jason Lowe	Arun Suresh
YARN-6747	TestFSAppStarvation.testPreemptionEnable fails intermittently	Major	.	Sunil Govindan	Miklos Szegedi
YARN-7244	ShuffleHandler is not aware of disks that are added	Major	.	Kuhu Shukla	Kuhu Shukla
HADOOP-14990	Clean up jdiff xml files added for 2.8.2 release	Blocker	.	Subru Krishnan	Junping Du
HADOOP-14919	BZip2 drops records when reading data in splits	Critical	.	Aki Tanaka	Jason Lowe
HDFS-12699	TestMountTable fails with Java 7	Major	.	Íñigo Goiri	Íñigo Goiri
YARN-7146	Many RM unit tests failing with FairScheduler	Major	test	Robert Kanter	Robert Kanter
MAPREDUCE-6999	Fix typo "onf" in DynamicInputChunk.java	Trivial	.	fang zhenyi	fang zhenyi
YARN-7364	Queue dash board in new YARN UI has incorrect values	Critical	webapp	Sunil Govindan	Sunil Govindan
YARN-7370	Preemption properties should be refreshable	Major	capacity scheduler, scheduler preemption	Eric Payne	Gergely Novák
YARN-7400	incorrect log preview displayed in jobhistory server ui	Major	yarn	Santhosh B Gowda	Xuan Gong
HADOOP-15013	Fix ResourceEstimator findbugs issues	Blocker	.	Allen Wittenauer	Arun Suresh
YARN-7432	Fix DominantResourceFairnessPolicy serializable findbugs issues	Blocker	.	Allen Wittenauer	Daniel Templeton
YARN-7434	Router getApps REST invocation fails with multiple RMs	Critical	.	Subru Krishnan	Íñigo Goiri
YARN-4742	[Umbrella] Enhancements to Distributed Scheduling	Major	.	Arun Suresh	Arun Suresh
YARN-5085	Add support for change of container ExecutionType	Major	.	Arun Suresh	Arun Suresh
HDFS-12783	[branch-2] "dfsrouter" should use hdfsScript	Major	.	Brahma Reddy Battula	Brahma Reddy Battula
YARN-7453	Fix issue where RM fails to switch to active after first successful start	Blocker	resourcemanager	Rohith Sharma K S	Rohith Sharma K S
HADOOP-15025	Ensure singleton for ResourceEstimatorService	Major	.	Subru Krishnan	Rui Li
HADOOP-15026	Rebase ResourceEstimator start/stop scripts for branch-2	Major	.	Subru Krishnan	Rui Li
YARN-6102	RMActiveService context to be updated with new RMContext on failover	Critical	.	Ajith S	Rohith Sharma K S
HADOOP-15030	[branch-2] Include hadoop-cloud-storage-project in the main hadoop pom modules	Critical	.	Subru Krishnan	Subru Krishnan
YARN-7475	Fix Container log link in new YARN UI	Major	.	Sunil Govindan	Sunil Govindan
YARN-7476	Fix miscellaneous issues in ATSv2 after merge to branch-2	Major	.	Varun Saxena	Varun Saxena
HADOOP-15036	Update LICENSE.txt for HADOOP-14840	Major	.	Arun Suresh	Arun Suresh
HDFS-13054	Handling PathIsNotEmptyDirectoryException in DFSClient delete call	Major	hdfs-client	Nanda kumar	Nanda kumar

TESTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
HDFS-9153	Pretty-format the output for DFSIO	Major	.	Kai Zheng	Kai Zheng
HDFS-9300	TestDirectoryScanner.testThrottle() is still a little flakey	Major	balancer & mover, test	Daniel Templeton	Daniel Templeton
YARN-4704	TestResourceManager#testResourceAllocation() fails when using FairScheduler	Major	fairscheduler, test	Ray Chiang	Yufei Gu
HADOOP-12701	Run checkstyle on test source files	Minor	.	John Zhuge	John Zhuge
HADOOP-13178	TestShellBasedIdMapping.testStaticMapUpdate doesn't work on OS X	Major	test	Allen Wittenauer	Kai Sasaki
YARN-5024	TestContainerResourceUsage#testUsageAfterAMRestartWithMultipleContainers random failure	Major	test	Bibin A Chundatt	Bibin A Chundatt
YARN-5005	TestRMWebServices#testDumpingSchedulerLogs fails randomly	Major	.	Bibin A Chundatt	Bibin A Chundatt
YARN-5118	Tests fails with localizer port bind exception.	Major	test	Brahma Reddy Battula	Brahma Reddy Battula
YARN-4989	TestWorkPreservingRMRestart#testCapacitySchedulerRecovery fails intermittently	Major	test	Rohith Sharma K S	Ajith S
YARN-5208	Run TestAMRMClient TestNMClient TestYarnClient TestClientRMTokens TestAMAuthorization tests with hadoop.security.token.service.use_ip enabled	Blocker	test	Rohith Sharma K S	Rohith Sharma K S
YARN-5343	TestContinuousScheduling#testSortedNodes fails intermittently	Minor	.	sandflee	Yufei Gu
YARN-2398	TestResourceTrackerOnHA crashes	Major	test	Jason Lowe	Ajith S
YARN-5656	Fix ReservationACLsTestBase	Major	.	Sean Po	Sean Po
YARN-4555	TestDefaultContainerExecutor#testContainerLaunchError fails on non-english locale environment	Minor	nodemanager, test	Takashi Ohnishi	Takashi Ohnishi
YARN-4363	In TestFairScheduler, testcase should not create FairScheduler redundantly	Trivial	fairscheduler	Tao Jie	Tao Jie
MAPREDUCE-6831	Flaky test TestJobImpl.testKilledDuringKillAbort	Major	mrv2	Peter Bacsko	Peter Bacsko
HDFS-11290	TestFSNameSystemMBean should wait until JMX cache is cleared	Major	test	Akira Ajisaka	Erik Krogen
HDFS-11570	Unit test for NameNodeStatusMXBean	Major	hdfs, test	Hanisha Koneru	Hanisha Koneru
HADOOP-14218	Replace assertThat with assertTrue in MetricsAsserts	Minor	.	Akira Ajisaka	Akira Ajisaka
YARN-5548	Use MockRMMemoryStateStore to reduce test failures	Major	.	Bibin A Chundatt	Bibin A Chundatt
HADOOP-14245	Use Mockito.when instead of Mockito.stub	Minor	test	Akira Ajisaka	Andras Bokor
YARN-5349	TestWorkPreservingRMRestart#testUAMRecoveryOnRMWorkPreservingRestart fail intermittently	Minor	.	sandflee	Jason Lowe
YARN-6240	TestCapacityScheduler.testRefreshQueuesWithQueueDelete fails randomly	Major	test	Sunil Govindan	Naganarasimha G R
HDFS-11988	Verify HDFS Snapshots with open files captured are safe across truncates and appends on current version file	Major	hdfs, snapshots	Manoj Govindassamy	Manoj Govindassamy
MAPREDUCE-6953	Skip the testcase testJobWithChangePriority if FairScheduler is used	Major	client	Peter Bacsko	Peter Bacsko

SUB-TASKS:

JIRA	Summary	Priority	Component	Reporter	Contributor
YARN-3063	Bootstrap TimelineServer Next Gen Module	Major	timelineserver	Zhijie Shen	Zhijie Shen
YARN-3030	[Collector wireup] Set up timeline collector with basic request serving structure and lifecycle	Major	timelineserver	Sangjin Lee	Sangjin Lee
YARN-3041	[Data Model] create overall data objects of TS next gen	Major	timelineserver	Sangjin Lee	Zhijie Shen
YARN-3240	[Data Mode] Implement client API to put generic entities	Major	timelineserver	Zhijie Shen	Zhijie Shen
YARN-3087	[Collector implementation] the REST server (web server) for per-node collector does not work if it runs inside node manager	Major	timelineserver	Sangjin Lee	Li Lu
YARN-3125	[Event producers] Change distributed shell to use new timeline service	Major	timelineserver	Zhijie Shen	Junping Du
YARN-3210	[Source organization] Refactor timeline collector according to new code organization	Major	timelineserver	Li Lu	Li Lu
YARN-3264	[Storage implementation] Create backing storage write interface and a POC only file based storage implementation	Major	timelineserver	Vrushali C	Vrushali C
YARN-3039	[Collector wireup] Implement timeline app-level collector service discovery	Major	timelineserver	Sangjin Lee	Junping Du
YARN-3333	rename TimelineAggregator etc. to TimelineCollector	Major	timelineserver	Sangjin Lee	Sangjin Lee
YARN-3377	TestTimelineServiceClientIntegration fails	Minor	timelineserver	Sangjin Lee	Sangjin Lee
YARN-3034	[Collector wireup] Implement RM starting its timeline collector	Major	timelineserver	Sangjin Lee	Naganarasimha G R
YARN-3040	[Data Model] Make putEntities operation be aware of the app's context	Major	timelineserver	Sangjin Lee	Zhijie Shen
YARN-3374	Collector's web server should randomly bind an available port	Major	timelineserver	Zhijie Shen	Zhijie Shen
YARN-3334	[Event Producers] NM TimelineClient container metrics posting to new timeline service.	Major	nodemanager	Junping Du	Junping Du
YARN-3391	Clearly define flow ID/ flow run / flow version in API and storage	Major	timelineserver	Zhijie Shen	Zhijie Shen
MAPREDUCE-6327	[Event producers] Implement MapReduce AM writing MR events/counters to v2 ATS	Major	.	Sangjin Lee	Junping Du
YARN-3390	Reuse TimelineCollectorManager for RM	Major	timelineserver	Zhijie Shen	Zhijie Shen
YARN-3431	Sub resources of timeline entity needs to be passed to a separate endpoint.	Major	timelineserver	Zhijie Shen	Zhijie Shen
MAPREDUCE-6335	convert load test driver to timeline service v.2	Major	.	Sangjin Lee	Sangjin Lee
YARN-3551	Consolidate data model change according to the backend implementation	Major	timelineserver	Zhijie Shen	Zhijie Shen
YARN-3562	unit tests failures and issues found from findbug from earlier ATS checkins	Minor	timelineserver	Sangjin Lee	Naganarasimha G R
YARN-3134	[Storage implementation] Exploiting the option of using Phoenix to access HBase backend	Major	timelineserver	Zhijie Shen	Li Lu
YARN-3529	Add miniHBase cluster and Phoenix support to ATS v2 unit tests	Major	timelineserver	Li Lu	Li Lu
YARN-3634	TestMRTimelineEventHandling and TestApplication are broken	Major	timelineserver	Sangjin Lee	Sangjin Lee
MAPREDUCE-6337	add a mode to replay MR job history files to the timeline service	Major	.	Sangjin Lee	Sangjin Lee
YARN-3411	[Storage implementation] explore & create the native HBase schema for writes	Critical	timelineserver	Sangjin Lee	Vrushali C
MAPREDUCE-6370	Timeline service v2 load generator needs to write event id	Major	.	Li Lu	Li Lu
YARN-3726	Fix TestHBaseTimelineWriterImpl unit test failure by fixing it's test data	Major	timelineserver	Vrushali C	Vrushali C
YARN-3721	build is broken on YARN-2928 branch due to possible dependency cycle	Blocker	timelineserver	Sangjin Lee	Li Lu
YARN-3276	Refactor and fix null casting in some map cast for TimelineEntity (old and new) and fix findbug warnings	Major	timelineserver	Junping Du	Junping Du
YARN-3044	[Event producers] Implement RM writing app lifecycle events to ATS	Major	timelineserver	Sangjin Lee	Naganarasimha G R
YARN-3801	[JDK-8][YARN-2928] Exclude jdk.tools from hbase-client and hbase-testing-util	Major	timelineserver	Tsuyoshi Ozawa	Tsuyoshi Ozawa
YARN-3706	Generalize native HBase writer for additional tables	Minor	timelineserver	Joep Rottinghuis	Joep Rottinghuis
YARN-3792	Test case failures in TestDistributedShell and some issue fixes related to ATSV2	Major	timelineserver	Naganarasimha G R	Naganarasimha G R
YARN-3051	[Storage abstraction] Create backing storage read interface for ATS readers	Major	timelineserver	Sangjin Lee	Varun Saxena
YARN-3047	[Data Serving] Set up ATS reader with basic request serving structure and lifecycle	Major	timelineserver	Sangjin Lee	Varun Saxena
YARN-3836	add equals and hashCode to TimelineEntity and other classes in the data model	Major	timelineserver	Sangjin Lee	Li Lu
YARN-3445	Cache runningApps in RMNode for getting running apps on given NodeId	Major	nodemanager, resourcemanager	Junping Du	Junping Du
YARN-3116	[Collector wireup] We need an assured way to determine if a container is an AM container on NM	Major	nodemanager, timelineserver	Zhijie Shen	Giovanni Matteo Fumarola
YARN-3949	ensure timely flush of timeline writes	Major	timelineserver	Sangjin Lee	Sangjin Lee
YARN-3908	Bugs in HBaseTimelineWriterImpl	Major	timelineserver	Zhijie Shen	Vrushali C
YARN-3993	Change to use the AM flag in ContainerContext determine AM container	Major	timelineserver	Zhijie Shen	Sunil Govindan
YARN-3984	Rethink event column key issue	Major	timelineserver	Zhijie Shen	Vrushali C
YARN-3049	[Storage Implementation] Implement storage reader interface to fetch raw data from HBase backend	Major	timelineserver	Sangjin Lee	Zhijie Shen
YARN-3906	split the application table from the entity table	Major	timelineserver	Sangjin Lee	Sangjin Lee
YARN-3904	Refactor timelineservice.storage to add support to online and offline aggregation writers	Major	timelineserver	Li Lu	Li Lu
YARN-3045	[Event producers] Implement NM writing container lifecycle events to ATS	Major	timelineserver	Sangjin Lee	Naganarasimha G R
YARN-4025	Deal with byte representations of Longs in writer code	Major	timelineserver	Vrushali C	Sangjin Lee
YARN-4064	build is broken at TestHBaseTimelineWriterImpl.java	Blocker	timelineserver	Sangjin Lee	Sangjin Lee
YARN-3814	REST API implementation for getting raw entities in TimelineReader	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-4058	Miscellaneous issues in NodeManager project	Minor	timelineserver	Naganarasimha G R	Naganarasimha G R
YARN-2884	Proxying all AM-RM communications	Major	nodemanager, resourcemanager	Carlo Curino	Kishore Chaliparambil
YARN-4102	Add a "skip existing table" mode for timeline schema creator	Major	timelineserver	Li Lu	Li Lu
YARN-3901	Populate flow run data in the flow_run & flow activity tables	Major	timelineserver	Vrushali C	Vrushali C
YARN-4074	[timeline reader] implement support for querying for flows and flow runs	Major	timelineserver	Sangjin Lee	Sangjin Lee
YARN-4075	[reader REST API] implement support for querying for flows and flow runs	Major	timelineserver	Sangjin Lee	Varun Saxena
YARN-4203	Add request/response logging & timing for each REST endpoint call	Minor	timelineserver	Vrushali C	Varun Saxena
YARN-4210	HBase reader throws NPE if Get returns no rows	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-3864	Implement support for querying single app and all apps for a flow run	Blocker	timelineserver	Varun Saxena	Varun Saxena
YARN-4178	[storage implementation] app id as string in row keys can cause incorrect ordering	Major	timelineserver	Sangjin Lee	Varun Saxena
YARN-4237	Support additional queries for ATSv2 Web UI	Major	.	Varun Saxena	Varun Saxena
YARN-4179	[reader implementation] support flow activity queries based on time	Minor	timelineserver	Sangjin Lee	Varun Saxena
YARN-4129	Refactor the SystemMetricPublisher in RM to better support newer events	Major	resourcemanager	Naganarasimha G R	Naganarasimha G R
YARN-4221	Store user in app to flow table	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-4053	Change the way metric values are stored in HBase Storage	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-4297	TestJobHistoryEventHandler and TestRMContainerAllocator failing on YARN-2928 branch	Major	.	Varun Saxena	Varun Saxena
YARN-3862	Support for fetching specific configs and metrics based on prefixes	Major	timelineserver	Varun Saxena	Varun Saxena
HDFS-9129	Move the safemode block count into BlockManager	Major	namenode	Haohui Mai	Mingliang Liu
HDFS-9414	Refactor reconfiguration of ClientDatanodeProtocol for reusability	Major	.	Xiaobing Zhou	Xiaobing Zhou
YARN-4356	ensure the timeline service v.2 is disabled cleanly and has no impact when it's turned off	Critical	timelineserver	Sangjin Lee	Sangjin Lee
YARN-4450	TestTimelineAuthenticationFilter and TestYarnConfigurationFields fail	Major	timelineserver	Sangjin Lee	Sangjin Lee
HDFS-9371	Code cleanup for DatanodeManager	Major	namenode	Jing Zhao	Jing Zhao
YARN-4460	[Bug fix] RM fails to start when SMP is enabled	Major	timelineserver	Li Lu	Li Lu
YARN-4445	Unify the term flowId and flowName in timeline v2 codebase	Major	timelineserver	Li Lu	Zhan Zhang
YARN-1856	cgroups based memory monitoring for containers	Major	nodemanager	Karthik Kambatla	Varun Vasudev
YARN-4350	TestDistributedShell fails for V2 scenarios	Major	timelineserver	Sangjin Lee	Naganarasimha G R
YARN-3586	RM only get back addresses of Collectors that NM needs to know.	Critical	resourcemanager, timelineserver	Junping Du	Junping Du
YARN-2882	Add an OPPORTUNISTIC ExecutionType	Major	nodemanager	Konstantinos Karanasos	Konstantinos Karanasos
YARN-3480	Recovery may get very slow with lots of services with lots of app-attempts	Major	resourcemanager	Jun Gong	Jun Gong
HDFS-9498	Move code that tracks blocks with future generation stamps to BlockManagerSafeMode	Major	namenode	Mingliang Liu	Mingliang Liu
YARN-4550	some tests in TestContainerLanch fails on non-english locale environment	Minor	nodemanager, test	Takashi Ohnishi	Takashi Ohnishi
YARN-4335	Allow ResourceRequests to specify ExecutionType of a request ask	Major	nodemanager, resourcemanager	Konstantinos Karanasos	Konstantinos Karanasos
YARN-3995	Some of the NM events are not getting published due race condition when AM container finishes in NM	Major	nodemanager, timelineserver	Naganarasimha G R	Naganarasimha G R
YARN-4200	Refactor reader classes in storage to nest under hbase specific package name	Minor	timelineserver	Vrushali C	Li Lu
YARN-4553	Add cgroups support for docker containers	Major	yarn	Sidharta Seethana	Sidharta Seethana
YARN-4526	Make SystemClock singleton so AppSchedulingInfo could use it	Major	scheduler	Karthik Kambatla	Karthik Kambatla
HDFS-9542	Move BlockIdManager from FSNamesystem to BlockManager	Major	namenode	Jing Zhao	Jing Zhao
YARN-4622	TestDistributedShell fails for v2 test cases after modifications for 1.5	Major	timelineserver	Naganarasimha G R	Naganarasimha G R
YARN-4578	Directories that are mounted in docker containers need to be more restrictive/container-specific	Major	yarn	Sidharta Seethana	Sidharta Seethana
YARN-4574	TestAMRMClientOnRMRestart fails on trunk	Major	client, test	Takashi Ohnishi	Takashi Ohnishi
YARN-4613	TestClientRMService#testGetClusterNodes fails occasionally	Major	test	Jason Lowe	Takashi Ohnishi
HDFS-9094	Add command line option to ask NameNode reload configuration.	Major	namenode	Xiaobing Zhou	Xiaobing Zhou
YARN-4238	correctly set createdTime and remove modifiedTime when publishing entities	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-4224	Support fetching entities by UID and change the REST interface to conform to current REST APIs' in YARN	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-4644	TestRMRestart fails and findbugs issue in YARN-2928 branch	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-4633	TestRMRestart.testRMRestartAfterPreemption fails intermittently in trunk	Major	test	Rohith Sharma K S	Bibin A Chundatt
YARN-4615	TestAbstractYarnScheduler#testResourceRequestRecoveryToTheRightAppAttempt fails occasionally	Major	test	Jason Lowe	Sunil Govindan
YARN-4446	Refactor reader API for better extensibility	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-4409	Fix javadoc and checkstyle issues in timelineservice code	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-3367	Replace starting a separate thread for post entity with event loop in TimelineClient	Major	timelineserver	Junping Du	Naganarasimha G R
YARN-4684	TestYarnCLI#testGetContainers failing in CN locale	Major	yarn	Bibin A Chundatt	Bibin A Chundatt
HDFS-9691	TestBlockManagerSafeMode#testCheckSafeMode fails intermittently	Major	test	Mingliang Liu	Mingliang Liu
HADOOP-12710	Remove dependency on commons-httpclient for TestHttpServerLogs	Major	.	Wei-Chiu Chuang	Wei-Chiu Chuang
YARN-4700	ATS storage has one extra record each time the RM got restarted	Major	timelineserver	Li Lu	Naganarasimha G R
MAPREDUCE-6546	reconcile the two versions of the timeline service performance tests	Minor	.	Sangjin Lee	Sangjin Lee
HDFS-1477	Support reconfiguring dfs.heartbeat.interval and dfs.namenode.heartbeat.recheck-interval without NN restart	Major	namenode	Patrick Kling	Xiaobing Zhou
YARN-4062	Add the flush and compaction functionality via coprocessors and scanners for flow run table	Major	timelineserver	Vrushali C	Vrushali C
YARN-4712	CPU Usage Metric is not captured properly in YARN-2928	Major	timelineserver	Naganarasimha G R	Naganarasimha G R
HADOOP-12926	lz4.c does not detect 64-bit mode properly	Major	native	Alan Burlison	Alan Burlison
YARN-4687	Document Reservation ACLs	Minor	.	Sean Po	Sean Po
YARN-4805	Don't go through all schedulers in ParameterizedTestBase	Major	.	Karthik Kambatla	Karthik Kambatla
YARN-4711	NM is going down with NPE's due to single thread processing of events by Timeline client	Critical	timelineserver	Naganarasimha G R	Naganarasimha G R
HDFS-9349	Support reconfiguring fs.protected.directories without NN restart	Major	namenode	Xiaobing Zhou	Xiaobing Zhou
YARN-4811	Generate histograms in ContainerMetrics for actual container resource usage	Major	.	Varun Vasudev	Varun Vasudev
YARN-3461	Consolidate flow name/version/run defaults	Major	timelineserver	Zhijie Shen	Sangjin Lee
HADOOP-12753	S3A JUnit tests failing if using HTTP proxy	Minor	fs/s3	Zoran Rajic	Zoran Rajic
YARN-3863	Support complex filters in TimelineReader	Major	.	Varun Saxena	Varun Saxena
HDFS-10209	Support enable caller context in HDFS namenode audit log without restart namenode	Major	.	Xiaoyu Yao	Xiaobing Zhou
HDFS-10286	Fix TestDFSAdmin#testNameNodeGetReconfigurableProperties	Major	.	Xiaoyu Yao	Xiaobing Zhou
HDFS-10284	o.a.h.hdfs.server.blockmanagement.TestBlockManagerSafeMode.testCheckSafeMode fails intermittently	Major	test	Mingliang Liu	Mingliang Liu
YARN-2883	Queuing of container requests in the NM	Major	nodemanager, resourcemanager	Konstantinos Karanasos	Konstantinos Karanasos
YARN-4890	Unit test intermittent failure: TestNodeLabelContainerAllocation#testQueueUsedCapacitiesUpdate	Major	.	Wangda Tan	Sunil Govindan
HDFS-10207	Support enable Hadoop IPC backoff without namenode restart	Major	.	Xiaoyu Yao	Xiaobing Zhou
YARN-4968	A couple of AM retry unit tests need to wait SchedulerApplicationAttempt stopped.	Major	.	Wangda Tan	Wangda Tan
YARN-3816	[Aggregation] App-level aggregation and accumulation for YARN system metrics	Major	timelineserver	Junping Du	Li Lu
YARN-4846	Random failures for TestCapacitySchedulerPreemption#testPreemptionPolicyShouldRespectAlreadyMarkedKillableContainers	Major	.	Bibin A Chundatt	Bibin A Chundatt
YARN-2885	Create AMRMProxy request interceptor for distributed scheduling decisions for queueable containers	Major	nodemanager, resourcemanager	Konstantinos Karanasos	Arun Suresh
YARN-4991	Fix ContainerRequest Constructor to set nodelabelExpression correctly	Major	test	Bibin A Chundatt	Bibin A Chundatt
YARN-4966	Improve yarn logs to fetch container logs without specifying nodeId	Major	.	Xuan Gong	Xuan Gong
YARN-4807	MockAM#waitForState sleep duration is too long	Major	.	Karthik Kambatla	Yufei Gu
YARN-3998	Add support in the NodeManager to re-launch containers	Major	.	Jun Gong	Jun Gong
YARN-4986	Add a check in the coprocessor for table to operated on	Major	timelineserver	Vrushali C	Vrushali C
YARN-5014	Ensure non-metric values are returned as is for flow run table from the coprocessor	Major	timelineserver	Vrushali C	Vrushali C
YARN-3150	[Documentation] Documenting the timeline service v2	Major	.	Zhijie Shen	Sangjin Lee
MAPREDUCE-6424	Store MR counters as timeline metrics instead of event	Major	.	Junping Du	Naganarasimha G R
YARN-4447	Provide a mechanism to represent complex filters and parse them at the REST layer	Major	timelineserver	Varun Saxena	Varun Saxena
MAPREDUCE-6688	Store job configurations in Timeline Service v2	Major	applicationmaster	Junping Du	Varun Saxena
YARN-4920	ATS/NM should support a link to dowload/get the logs in text format	Major	yarn	Xuan Gong	Xuan Gong
YARN-4905	Improve "yarn logs" command-line to optionally show log metadata also	Major	.	Xuan Gong	Xuan Gong
YARN-4595	Add support for configurable read-only mounts when launching Docker containers	Major	yarn	Billie Rinaldi	Billie Rinaldi
YARN-5045	hbase unit tests fail due to dependency issues	Blocker	timelineserver	Sangjin Lee	Sangjin Lee
YARN-4778	Support specifying resources for task containers in SLS	Major	.	Wangda Tan	Wangda Tan
YARN-4842	"yarn logs" command should not require the appOwner argument	Major	.	Ram Venkatesh	Xuan Gong
YARN-5073	Refactor startContainerInternal() in ContainerManager to remove unused parameter	Minor	nodemanager, resourcemanager	Konstantinos Karanasos	Konstantinos Karanasos
HDFS-9389	Add maintenance states to AdminStates	Major	.	Ming Ma	Ming Ma
YARN-2888	Corrective mechanisms for rebalancing NM container queues	Major	nodemanager, resourcemanager	Konstantinos Karanasos	Arun Suresh
YARN-4738	Notify the RM about the status of OPPORTUNISTIC containers	Major	nodemanager, resourcemanager	Konstantinos Karanasos	Konstantinos Karanasos
YARN-5075	Fix findbugs warning in hadoop-yarn-common module	Major	.	Akira Ajisaka	Arun Suresh
YARN-4412	Create ClusterMonitor to compute ordered list of preferred NMs for OPPORTUNITIC containers	Major	nodemanager, resourcemanager	Arun Suresh	Arun Suresh
YARN-5102	timeline service build fails with java 8	Blocker	timelineserver	Sangjin Lee	Sangjin Lee
YARN-5090	Add End-to-End test-cases for DistributedScheduling using MiniYarnCluster	Major	.	Arun Suresh	Arun Suresh
YARN-5096	timelinereader has a lot of logging that's not useful	Minor	timelineserver	Sangjin Lee	Sangjin Lee
YARN-4913	Yarn logs should take a -out option to write to a directory	Major	.	Xuan Gong	Xuan Gong
HDFS-2173	saveNamespace should not throw IOE when only one storage directory fails to write VERSION file	Major	.	Todd Lipcon	Andras Bokor
YARN-5110	Fix OpportunisticContainerAllocator to insert complete HostAddress in issued ContainerTokenIds	Major	.	Arun Suresh	Konstantinos Karanasos
YARN-5050	Code cleanup for TestDistributedShell	Major	timelineserver	Li Lu	Li Lu
YARN-5016	Add support for a minimum retry interval for container retries	Major	.	Varun Vasudev	Jun Gong
HDFS-7766	Add a flag to WebHDFS op=CREATE to not respond with a 307 redirect	Major	ui, webhdfs	Ravi Prakash	Ravi Prakash
YARN-5093	created time shows 0 in most REST output	Critical	timelineserver	Sangjin Lee	Varun Saxena
YARN-5018	Online aggregation logic should not run immediately after collectors got started	Major	timelineserver	Li Lu	Li Lu
YARN-5115	Avoid setting CONTENT-DISPOSITION header in the container-logs web-service	Major	.	Xuan Gong	Xuan Gong
YARN-5097	NPE in Separator.joinEncoded()	Critical	timelineserver	Sangjin Lee	Vrushali C
YARN-5095	flow activities and flow runs are populated with wrong timestamp when RM restarts w/ recovery enabled	Critical	timelineserver	Sangjin Lee	Varun Saxena
YARN-5138	fix "no findbugs output file" error for hadoop-yarn-server-timelineservice-hbase-tests	Major	timelineserver	Vrushali C	Vrushali C
YARN-5109	timestamps are stored unencoded causing parse errors	Blocker	timelineserver	Sangjin Lee	Varun Saxena
YARN-5089	Improve "yarn log" command-line "logFiles" option to support regex	Major	.	Xuan Gong	Xuan Gong
YARN-5127	Expose ExecutionType in Container api record	Major	.	Arun Suresh	Hitesh Sharma
YARN-5117	QueuingContainerManager does not start GUARANTEED Container even if Resources are available	Major	.	Arun Suresh	Konstantinos Karanasos
YARN-5111	YARN container system metrics are not aggregated to application	Critical	timelineserver	Sangjin Lee	Naganarasimha G R
YARN-4007	Add support for different network setups when launching the docker container	Major	nodemanager	Varun Vasudev	Sidharta Seethana
YARN-5141	Get Container logs for the Running application from Yarn Logs CommandLine	Major	.	Xuan Gong	Xuan Gong
YARN-5105	entire time series is returned for YARN container system metrics (CPU and memory)	Major	timelineserver	Sangjin Lee	Varun Saxena
YARN-5088	Improve "yarn log" command-line to read the last K bytes for the log files	Major	.	Xuan Gong	Xuan Gong
YARN-5162	Fix Exceptions thrown during registerAM call when Distributed Scheduling is Enabled	Major	.	Arun Suresh	Hitesh Sharma
YARN-5189	Make HBaseTimeline[Reader|Writer]Impl default and move FileSystemTimeline*Impl	Major	timelineserver	Joep Rottinghuis	Joep Rottinghuis
HDFS-9877	HDFS Namenode UI: Fix browsing directories that need to be encoded	Major	ui	Ravi Prakash	Ravi Prakash
HDFS-7767	Use the noredirect flag in WebHDFS to allow web browsers to upload files via the NN UI	Major	ui, webhdfs	Ravi Prakash	Ravi Prakash
YARN-5142	fix findbugs warnings/errors for hadoop-yarn-server-timelineservice-hbase-tests	Major	timelineserver	Vrushali C	Vrushali C
YARN-5167	Escaping occurences of encodedValues	Critical	timelineserver	Joep Rottinghuis	Sangjin Lee
YARN-5180	Allow ResourceRequest to specify an enforceExecutionType flag	Major	.	Arun Suresh	Arun Suresh
YARN-5176	More test cases for queuing of containers at the NM	Major	.	Konstantinos Karanasos	Konstantinos Karanasos
YARN-5204	Properly report status of killed/stopped queued containers	Major	.	Konstantinos Karanasos	Konstantinos Karanasos
YARN-5210	NPE in Distributed Shell while publishing DS_CONTAINER_START event and other miscellaneous issues	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-5191	Rename the “download=true” option for getLogs in NMWebServices and AHSWebServices	Major	.	Xuan Gong	Xuan Gong
YARN-5170	Eliminate singleton converters and static method access	Major	timelineserver	Joep Rottinghuis	Joep Rottinghuis
HDFS-7987	Allow files / directories to be moved	Major	ui	Ravi Prakash	Ravi Prakash
YARN-5052	[Documentation] Update timeline service v2 documentation to capture information about filters	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-5124	Modify AMRMClient to set the ExecutionType in the ResourceRequest	Major	.	Arun Suresh	Arun Suresh
YARN-5212	Run existing ContainerManager tests using QueuingContainerManagerImpl	Major	.	Konstantinos Karanasos	Konstantinos Karanasos
YARN-4887	AM-RM protocol changes for identifying resource-requests explicitly	Major	applications, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5223	Container line in yarn logs output for a live application should include the hostname for the container	Major	.	Siddharth Seth	Xuan Gong
YARN-5122	"yarn logs" for running containers should print an explicit footer saying that the log may be incomplete	Major	.	Vinod Kumar Vavilapalli	Jian He
YARN-5243	fix several rebase and other miscellaneous issues before merge	Major	timelineserver	Sangjin Lee	Sangjin Lee
YARN-5070	upgrade HBase version for first merge	Critical	timelineserver	Sangjin Lee	Vrushali C
YARN-5251	Yarn CLI to obtain App logs for last 'n' bytes fails with 'java.io.IOException' and for 'n' bytes fails with NumberFormatException	Blocker	.	Sumana Sathish	Xuan Gong
HDFS-10328	Add per-cache-pool default replication num configuration	Minor	caching	xupeng	xupeng
YARN-5171	Extend DistributedSchedulerProtocol to notify RM of containers allocated by the Node	Major	.	Arun Suresh	Íñigo Goiri
MAPREDUCE-6720	Inconsistent values of counters across tasks and job reported to timeline service.	Major	applicationmaster	Varun Saxena	Varun Saxena
YARN-5300	Exclude generated federation protobuf sources from YARN Javadoc/findbugs build	Minor	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5174	[documentation] several updates/corrections to timeline service documentation	Major	timelineserver	Sangjin Lee	Sangjin Lee
YARN-5227	yarn logs command: no need to specify -applicationId when specifying containerId	Major	.	Jian He	Gergely Novák
YARN-5224	Logs for a completed container are not available in the yarn logs output for a live application	Major	.	Siddharth Seth	Xuan Gong
YARN-5316	fix hadoop-aws pom not to do the exclusion	Major	timelineserver	Sangjin Lee	Sangjin Lee
YARN-5233	Support for specifying a path for ATS plugin jars	Major	timelineserver	Li Lu	Li Lu
YARN-5200	Improve yarn logs to get Container List	Major	.	Xuan Gong	Xuan Gong
YARN-5299	Log Docker run command when container fails	Major	yarn	Varun Vasudev	Varun Vasudev
YARN-4759	Fix signal handling for docker containers	Major	yarn	Sidharta Seethana	Shane Kumpf
YARN-5363	For AM containers, or for containers of running-apps, "yarn logs" incorrectly only (tries to) shows syslog file-type by default	Major	log-aggregation	Vinod Kumar Vavilapalli	Vinod Kumar Vavilapalli
YARN-5298	Mount usercache and NM filecache directories into Docker container	Major	yarn	Varun Vasudev	Sidharta Seethana
YARN-5361	Obtaining logs for completed container says 'file belongs to a running container ' at the end	Critical	.	Sumana Sathish	Xuan Gong
YARN-5156	YARN_CONTAINER_FINISHED of YARN_CONTAINERs will always have running state	Major	timelineserver	Li Lu	Vrushali C
YARN-5350	Distributed Scheduling: Ensure sort order of allocatable nodes returned by the RM is not lost	Major	.	Arun Suresh	Arun Suresh
YARN-5392	Replace use of Priority in the Scheduling infrastructure with an opaque ShedulerRequestKey	Major	.	Arun Suresh	Arun Suresh
YARN-5351	ResourceRequest should take ExecutionType into account during comparison	Major	.	Konstantinos Karanasos	Konstantinos Karanasos
YARN-3662	Federation Membership State Store internal APIs	Major	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5229	Refactor #isApplicationEntity and #getApplicationEvent from HBaseTimelineWriterImpl	Minor	timelineserver	Joep Rottinghuis	Vrushali C
YARN-5113	Refactoring and other clean-up for distributed scheduling	Major	.	Arun Suresh	Konstantinos Karanasos
YARN-5458	Rename DockerStopCommandTest to TestDockerStopCommand	Trivial	.	Shane Kumpf	Shane Kumpf
YARN-5443	Add support for docker inspect command	Major	yarn	Shane Kumpf	Shane Kumpf
YARN-5226	remove AHS enable check from LogsCLI#fetchAMContainerLogs	Major	.	Xuan Gong	Xuan Gong
YARN-5459	Add support for docker rm	Minor	yarn	Shane Kumpf	Shane Kumpf
YARN-5406	In-memory based implementation of the FederationMembershipStateStore	Major	nodemanager, resourcemanager	Subru Krishnan	Ellen Hui
YARN-5390	Federation Subcluster Resolver	Major	nodemanager, resourcemanager	Carlo Curino	Ellen Hui
YARN-5429	Fix @return related javadoc warnings in yarn-api	Major	.	Vrushali C	Vrushali C
YARN-4888	Changes in scheduler to identify resource-requests explicitly by allocation-id	Major	resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5307	Federation Application State Store internal APIs	Major	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-3664	Federation PolicyStore internal APIs	Major	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5470	Differentiate exactly match with regex in yarn log CLI	Major	.	Xuan Gong	Xuan Gong
YARN-5408	Compose Federation membership/application/policy APIs into an uber FederationStateStore API	Major	nodemanager, resourcemanager	Subru Krishnan	Ellen Hui
YARN-5394	Remove bind-mount /etc/passwd for Docker containers	Major	yarn	Zhankun Tang	Zhankun Tang
YARN-5407	In-memory based implementation of the FederationApplicationStateStore, FederationPolicyStateStore	Major	nodemanager, resourcemanager	Subru Krishnan	Ellen Hui
YARN-5137	Make DiskChecker pluggable in NodeManager	Major	nodemanager	Ray Chiang	Yufei Gu
YARN-5519	Add SubClusterId in AddApplicationHomeSubClusterResponse for Router Failover	Major	nodemanager, resourcemanager	Giovanni Matteo Fumarola	Ellen Hui
YARN-5514	Clarify DecommissionType.FORCEFUL comment	Minor	documentation	Robert Kanter	Vrushali C
YARN-3672	Create Facade for Federation State and Policy Store	Major	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5467	InputValidator for the FederationStateStore internal APIs	Major	nodemanager, resourcemanager	Subru Krishnan	Giovanni Matteo Fumarola
YARN-4676	Automatic and Asynchronous Decommissioning Nodes Status Tracking	Major	resourcemanager	Daniel Zhi	Daniel Zhi
YARN-3673	Create a FailoverProxy for Federation services	Major	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5457	Refactor DistributedScheduling framework to pull out common functionality	Major	resourcemanager	Arun Suresh	Arun Suresh
YARN-5042	Mount /sys/fs/cgroup into Docker containers as read only mount	Major	yarn	Varun Vasudev	luhuichun
YARN-5564	Fix typo in RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE	Trivial	fairscheduler	Ray Chiang	Ray Chiang
YARN-5557	Add localize API to the ContainerManagementProtocol	Major	.	Jian He	Jian He
YARN-5327	API changes required to support recurring reservations in the YARN ReservationSystem	Major	resourcemanager	Subru Krishnan	Sangeetha Abdu Jyothi
YARN-4889	Changes in AMRMClient for identifying resource-requests explicitly	Major	resourcemanager	Subru Krishnan	Arun Suresh
YARN-3671	Integrate Federation services with ResourceManager	Major	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
HDFS-9392	Admins support for maintenance state	Major	.	Ming Ma	Ming Ma
HDFS-10813	DiskBalancer: Add the getNodeList method in Command	Minor	balancer & mover	Yiqun Lin	Yiqun Lin
YARN-5221	Expose UpdateResourceRequest API to allow AM to request for change in container properties	Major	.	Arun Suresh	Arun Suresh
YARN-5596	Fix failing unit test in TestDockerContainerRuntime	Minor	nodemanager, yarn	Sidharta Seethana	Sidharta Seethana
YARN-5612	Return SubClusterId in FederationStateStoreFacade#addApplicationHomeSubCluster for Router Failover	Major	nodemanager, resourcemanager	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-5601	Make the RM epoch base value configurable	Major	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5264	Store all queue-specific information in FSQueue	Major	fairscheduler	Yufei Gu	Yufei Gu
YARN-5576	Allow resource localization while container is running	Major	.	Jian He	Jian He
YARN-5323	Policies APIs (for Router and AMRMProxy policies)	Major	nodemanager, resourcemanager	Carlo Curino	Carlo Curino
YARN-5620	Core changes in NodeManager to support re-initialization of Containers with new launchContext	Major	.	Arun Suresh	Arun Suresh
YARN-4091	Add REST API to retrieve scheduler activity	Major	capacity scheduler, resourcemanager	Sunil Govindan	Chen Ge
YARN-5637	Changes in NodeManager to support Container rollback and commit	Major	.	Arun Suresh	Arun Suresh
YARN-3140	Improve locks in AbstractCSQueue/LeafQueue/ParentQueue	Major	resourcemanager, scheduler	Wangda Tan	Wangda Tan
YARN-3141	Improve locks in SchedulerApplicationAttempt/FSAppAttempt/FiCaSchedulerApp	Major	resourcemanager, scheduler	Wangda Tan	Wangda Tan
YARN-5324	Stateless Federation router policies implementation	Major	nodemanager, resourcemanager	Carlo Curino	Carlo Curino
YARN-5609	Expose upgrade and restart API in ContainerManagementProtocol	Major	.	Arun Suresh	Arun Suresh
HDFS-9895	Remove unnecessary conf cache from DataNode	Major	datanode	Xiaobing Zhou	Xiaobing Zhou
YARN-3142	Improve locks in AppSchedulingInfo	Major	resourcemanager, scheduler	Wangda Tan	Varun Saxena
YARN-4205	Add a service for monitoring application life time out	Major	scheduler	nijel	Rohith Sharma K S
YARN-5486	Update OpportunisticContainerAllocatorAMService::allocate method to handle OPPORTUNISTIC container requests	Major	resourcemanager	Arun Suresh	Konstantinos Karanasos
YARN-5384	Expose priority in ReservationSystem submission APIs	Major	capacity scheduler, fairscheduler, resourcemanager	Sean Po	Sean Po
YARN-5702	Refactor TestPBImplRecords so that we can reuse for testing protocol records in other YARN modules	Major	.	Subru Krishnan	Subru Krishnan
YARN-3139	Improve locks in AbstractYarnScheduler/CapacityScheduler/FairScheduler	Major	resourcemanager, scheduler	Wangda Tan	Wangda Tan
HDFS-10893	Refactor TestDFSShell by setting up MiniDFSCluser once for all commands test	Major	test	Mingliang Liu	Mingliang Liu
HADOOP-13627	Have an explicit KerberosAuthException for UGI to throw, text from public constants	Major	security	Steve Loughran	Xiao Chen
YARN-5325	Stateless ARMRMProxy policies implementation	Major	nodemanager, resourcemanager	Carlo Curino	Carlo Curino
YARN-5638	Introduce a collector timestamp to uniquely identify collectors creation order in collector discovery	Major	timelineserver	Li Lu	Li Lu
YARN-5699	Retrospect yarn entity fields which are publishing in events info fields.	Major	.	Rohith Sharma K S	Rohith Sharma K S
HDFS-9390	Block management for maintenance states	Major	.	Ming Ma	Ming Ma
YARN-5561	[Atsv2] : Support for ability to retrieve apps/app-attempt/containers and entities via REST	Major	timelinereader	Rohith Sharma K S	Rohith Sharma K S
YARN-4911	Bad placement policy in FairScheduler causes the RM to crash	Major	fairscheduler	Ray Chiang	Ray Chiang
YARN-5047	Refactor nodeUpdate across schedulers	Major	capacityscheduler, fairscheduler, scheduler	Ray Chiang	Ray Chiang
YARN-3649	Allow configurable prefix for hbase table names (like prod, exp, test etc)	Major	timelineserver	Vrushali C	Vrushali C
YARN-5715	introduce entity prefix for return and sort order	Critical	timelineserver	Sangjin Lee	Rohith Sharma K S
YARN-4097	Create POC timeline web UI with new YARN web UI framework	Major	timelineserver	Li Lu	Li Lu
YARN-5799	Fix Opportunistic Allocation to set the correct value of Node Http Address	Major	resourcemanager	Arun Suresh	Arun Suresh
YARN-4765	Split TestHBaseTimelineStorage into multiple test classes	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-5793	Trim configuration values in DockerLinuxContainerRuntime	Minor	nodemanager	Tianyin Xu	Tianyin Xu
YARN-5391	PolicyManager to tie together Router/AMRM Federation policies	Major	nodemanager, resourcemanager	Carlo Curino	Carlo Curino
YARN-5265	Make HBase configuration for the timeline service configurable	Major	timelineserver	Joep Rottinghuis	Joep Rottinghuis
YARN-2995	Enhance UI to show cluster resource utilization of various container Execution types	Blocker	resourcemanager	Sriram Rao	Konstantinos Karanasos
YARN-3359	Recover collector list when RM fails over	Major	resourcemanager	Junping Du	Li Lu
YARN-5716	Add global scheduler interface definition and update CapacityScheduler to use it.	Major	capacityscheduler	Wangda Tan	Wangda Tan
YARN-5833	Add validation to ensure default ports are unique in Configuration	Major	yarn	Konstantinos Karanasos	Konstantinos Karanasos
YARN-4329	Allow fetching exact reason as to why a submitted app is in ACCEPTED state in Fair Scheduler	Major	fairscheduler, resourcemanager	Naganarasimha G R	Yufei Gu
YARN-5611	Provide an API to update lifetime of an application.	Major	resourcemanager	Rohith Sharma K S	Rohith Sharma K S
HDFS-11119	Support for parallel checking of StorageLocations on DataNode startup	Major	datanode	Arpit Agarwal	Arpit Agarwal
HDFS-11114	Support for running async disk checks in DataNode	Major	datanode	Arpit Agarwal	Arpit Agarwal
YARN-5634	Simplify initialization/use of RouterPolicy via a RouterPolicyFacade	Major	nodemanager, resourcemanager	Carlo Curino	Carlo Curino
YARN-5792	adopt the id prefix for YARN, MR, and DS entities	Major	timelineserver	Sangjin Lee	Varun Saxena
HDFS-11148	Update DataNode to use StorageLocationChecker at startup	Major	datanode	Arpit Agarwal	Arpit Agarwal
YARN-5676	Add a HashBasedRouterPolicy, and small policies and test refactoring.	Major	nodemanager, resourcemanager	Carlo Curino	Carlo Curino
YARN-5872	Add AlwayReject policies for router and amrmproxy.	Major	nodemanager, resourcemanager	Carlo Curino	Carlo Curino
YARN-5905	Update the RM webapp host that is reported as part of Federation membership to current primary RM's IP	Minor	federation, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-5865	Retrospect updateApplicationPriority api to handle state store exception in align with YARN-5611	Major	.	Sunil Govindan	Sunil Govindan
YARN-5649	Add REST endpoints for updating application timeouts	Major	scheduler	Rohith Sharma K S	Rohith Sharma K S
YARN-4206	Add Application timeouts in Application report and CLI	Major	scheduler	nijel	Rohith Sharma K S
HDFS-11149	Support for parallel checking of FsVolumes	Major	datanode	Arpit Agarwal	Arpit Agarwal
HDFS-8678	Bring back the feature to view chunks of files in the HDFS file browser	Major	ui	Ravi Prakash	Ravi Prakash
YARN-5761	Separate QueueManager from Scheduler	Major	capacityscheduler	Xuan Gong	Xuan Gong
YARN-5746	The state of the parentQueue and its childQueues should be synchronized.	Major	capacity scheduler, resourcemanager	Xuan Gong	Xuan Gong
YARN-5965	Retrospect ApplicationReport#getApplicationTimeouts	Major	scheduler	Jian He	Rohith Sharma K S
YARN-5739	Provide timeline reader API to list available timeline entity types for one application	Major	timelinereader	Li Lu	Li Lu
MAPREDUCE-6818	Remove direct reference to TimelineClientImpl	Major	.	Li Lu	Li Lu
YARN-5982	Simplify opportunistic container parameters and metrics	Major	.	Konstantinos Karanasos	Konstantinos Karanasos
YARN-5970	Validate application update timeout request parameters	Major	scheduler	Rohith Sharma K S	Rohith Sharma K S
YARN-5524	Yarn live log aggregation does not throw if command line arg is wrong	Major	log-aggregation	Prasanth Jayachandran	Xuan Gong
YARN-5650	Render Application Timeout value in web UI	Major	scheduler	Rohith Sharma K S	Akhil PB
HDFS-11182	Update DataNode to use DatasetVolumeChecker	Major	datanode	Arpit Agarwal	Arpit Agarwal
YARN-5976	Update hbase version to 1.2 (removes phoenix dependencies)	Major	.	Vrushali C	Vrushali C
YARN-5216	Expose configurable preemption policy for OPPORTUNISTIC containers running on the NM	Major	distributed-scheduling	Arun Suresh	Hitesh Sharma
YARN-5938	Refactoring OpportunisticContainerAllocator to use SchedulerRequestKey instead of Priority and other misc fixes	Major	.	Arun Suresh	Arun Suresh
YARN-5756	Add state-machine implementation for scheduler queues	Major	.	Xuan Gong	Xuan Gong
YARN-5931	Document timeout interfaces CLI and REST APIs	Major	scheduler	Rohith Sharma K S	Rohith Sharma K S
YARN-5529	Create new DiskValidator class with metrics	Major	nodemanager	Ray Chiang	Yufei Gu
YARN-6025	Fix synchronization issues of AbstractYarnScheduler#nodeUpdate and its implementations	Major	capacity scheduler, scheduler	Naganarasimha G R	Naganarasimha G R
YARN-5923	Unable to access logs for a running application if YARN_ACL_ENABLE is enabled	Major	.	Xuan Gong	Xuan Gong
YARN-5906	Update AppSchedulingInfo to use SchedulingPlacementSet	Major	.	Wangda Tan	Wangda Tan
YARN-6009	RM fails to start during an upgrade - Failed to load/recover state (YarnException: Invalid application timeout, value=0 for type=LIFETIME)	Critical	resourcemanager	Gour Saha	Rohith Sharma K S
YARN-5585	[Atsv2] Reader side changes for entity prefix and support for pagination via additional filters	Critical	timelinereader	Rohith Sharma K S	Rohith Sharma K S
YARN-6074	FlowRunEntity does not deserialize long values correctly	Major	timelinereader	Rohith Sharma K S	Rohith Sharma K S
YARN-3955	Support for application priority ACLs in queues of CapacityScheduler	Major	capacityscheduler	Sunil Govindan	Sunil Govindan
HDFS-9391	Update webUI/JMX to display maintenance state info	Major	.	Ming Ma	Manoj Govindassamy
YARN-5416	TestRMRestart#testRMRestartWaitForPreviousAMToFinish failed intermittently due to not wait SchedulerApplicationAttempt to be stopped	Minor	test, yarn	Junping Du	Junping Du
YARN-5980	Update documentation for single node hbase deploy	Major	timelineserver	Vrushali C	Vrushali C
YARN-6011	Add a new web service to list the files on a container in AHSWebService	Major	.	Xuan Gong	Xuan Gong
YARN-5378	Accommodate app-id->cluster mapping	Major	timelineserver	Joep Rottinghuis	Sangjin Lee
YARN-6016	Fix minor bugs in handling of local AMRMToken in AMRMProxy	Minor	federation	Botong Huang	Botong Huang
YARN-5556	CapacityScheduler: Support deleting queues without requiring a RM restart	Major	capacity scheduler	Xuan Gong	Naganarasimha G R
YARN-6064	Support fromId for flowRuns and flow/flowRun apps REST API's	Major	timelinereader	Rohith Sharma K S	Rohith Sharma K S
HDFS-11259	Update fsck to display maintenance state info	Major	datanode, namenode	Manoj Govindassamy	Manoj Govindassamy
YARN-6094	Update the coprocessor to be a dynamically loaded one	Major	timelineserver	Vrushali C	Vrushali C
YARN-5831	Propagate allowPreemptionFrom flag all the way down to the app	Major	fairscheduler	Karthik Kambatla	Yufei Gu
HDFS-11296	Maintenance state expiry should be an epoch time and not jvm monotonic	Major	.	Manoj Govindassamy	Manoj Govindassamy
YARN-6099	Improve webservice to list aggregated log files	Major	.	Xuan Gong	Xuan Gong
YARN-5830	FairScheduler: Avoid preempting AM containers	Major	fairscheduler	Karthik Kambatla	Yufei Gu
YARN-3637	Handle localization sym-linking correctly at the YARN level	Major	.	Chris Trezzo	Chris Trezzo
YARN-6126	Obtaining app logs for Running application fails with "Unable to parse json from webservice. Error:"	Major	.	Sumana Sathish	Xuan Gong
YARN-6100	improve YARN webservice to output aggregated container logs	Major	.	Xuan Gong	Xuan Gong
YARN-5951	Changes to allow CapacityScheduler to use configuration store	Major	.	Jonathan Hung	Jonathan Hung
YARN-6108	Improve AHS webservice to accept NM address as a parameter to get container logs	Major	.	Xuan Gong	Xuan Gong
YARN-5258	Document Use of Docker with LinuxContainerExecutor	Critical	documentation	Daniel Templeton	Daniel Templeton
HADOOP-14032	Reduce fair call queue priority inversion	Major	ipc	Daryn Sharp	Daryn Sharp
HADOOP-14034	Allow ipc layer exceptions to selectively close connections	Major	ipc	Daryn Sharp	Daryn Sharp
HADOOP-14033	Reduce fair call queue lock contention	Major	ipc	Daryn Sharp	Daryn Sharp
YARN-6170	TimelineReaderServer should wait to join with HttpServer2	Minor	timelinereader	Sangjin Lee	Sangjin Lee
HADOOP-13075	Add support for SSE-KMS and SSE-C in s3a filesystem	Major	fs/s3	Andrew Olson	Steve Moist
YARN-6113	re-direct NM Web Service to get container logs for finished applications	Major	.	Xuan Gong	Xuan Gong
YARN-5966	AMRMClient changes to support ExecutionType update	Major	.	Arun Suresh	Arun Suresh
YARN-6156	AM blacklisting to consider node label partition	Major	.	Bibin A Chundatt	Bibin A Chundatt
HDFS-11265	Extend visualization for Maintenance Mode under Datanode tab in the NameNode UI	Major	datanode, namenode	Manoj Govindassamy	Elek, Marton
YARN-6163	FS Preemption is a trickle for severely starved applications	Major	fairscheduler	Karthik Kambatla	Karthik Kambatla
YARN-5798	Set UncaughtExceptionHandler for all FairScheduler threads	Major	fairscheduler	Karthik Kambatla	Yufei Gu
YARN-4675	Reorganize TimelineClient and TimelineClientImpl into separate classes for ATSv1.x and ATSv2	Major	timelineserver	Naganarasimha G R	Naganarasimha G R
HADOOP-14040	Use shaded aws-sdk uber-JAR 1.11.86	Major	build, fs/s3	Steve Loughran	Steve Loughran
YARN-6193	FairScheduler might not trigger preemption when using DRF	Major	fairscheduler	Karthik Kambatla	Karthik Kambatla
YARN-6159	Documentation changes for TimelineV2Client	Minor	documentation	Varun Saxena	Naganarasimha G R
HDFS-11430	Separate class InnerNode from class NetworkTopology and make it extendable	Major	namenode	Chen Liang	Tsz Wo Nicholas Sze
HADOOP-14099	Split S3 testing documentation out into its own file	Minor	documentation, fs/s3	Steve Loughran	Steve Loughran
HDFS-11411	Avoid OutOfMemoryError in TestMaintenanceState test runs	Major	datanode, namenode	Manoj Govindassamy	Manoj Govindassamy
HADOOP-14102	Relax error message assertion in S3A test ITestS3AEncryptionSSEC	Minor	fs/s3	Mingliang Liu	Mingliang Liu
YARN-6069	CORS support in timeline v2	Major	timelinereader	Sreenath Somarajapuram	Rohith Sharma K S
YARN-5959	RM changes to support change of container ExecutionType	Major	.	Arun Suresh	Arun Suresh
YARN-6228	EntityGroupFSTimelineStore should allow configurable cache stores.	Major	timelineserver	Li Lu	Li Lu
YARN-5410	Bootstrap Router server module	Major	nodemanager, resourcemanager	Subru Krishnan	Giovanni Matteo Fumarola
YARN-5946	Create YarnConfigurationStore interface and InMemoryConfigurationStore class	Major	.	Jonathan Hung	Jonathan Hung
YARN-6215	FairScheduler preemption and update should not run concurrently	Major	fairscheduler, test	Sunil Govindan	Tao Jie
YARN-6123	[YARN-5864] Add a test to make sure queues of orderingPolicy will be updated when childQueues is added or removed.	Major	.	Wangda Tan	Wangda Tan
YARN-6253	FlowAcitivityColumnPrefix.store(byte[] rowKey, ...) drops timestamp	Major	.	Haibo Chen	Haibo Chen
YARN-6190	Validation and synchronization fixes in LocalityMulticastAMRMProxyPolicy	Minor	federation	Botong Huang	Botong Huang
YARN-6027	Support fromid(offset) filter for /flows API	Major	timelineserver	Rohith Sharma K S	Rohith Sharma K S
HDFS-11450	HDFS specific network topology classes with storage type info included	Major	namenode	Chen Liang	Chen Liang
HDFS-11412	Maintenance minimum replication config value allowable range should be [0, DefaultReplication]	Major	datanode, namenode	Manoj Govindassamy	Manoj Govindassamy
YARN-6247	Share a single instance of SubClusterResolver instead of instantiating one per AM	Minor	.	Botong Huang	Botong Huang
YARN-6256	Add FROM_ID info key for timeline entities in reader response.	Major	timelineserver	Rohith Sharma K S	Rohith Sharma K S
YARN-6237	Move UID constant to TimelineReaderUtils	Major	timelinereader	Rohith Sharma K S	Rohith Sharma K S
YARN-5669	Add support for Docker pull	Major	yarn	Zhankun Tang	luhuichun
YARN-5948	Implement MutableConfigurationManager for handling storage into configuration store	Major	.	Jonathan Hung	Jonathan Hung
YARN-1047	Expose # of pre-emptions as a queue counter	Major	fairscheduler	Philip Zeyliger	Karthik Kambatla
YARN-6281	Cleanup when AMRMProxy fails to initialize a new interceptor chain	Minor	.	Botong Huang	Botong Huang
YARN-6318	timeline service schema creator fails if executed from a remote machine	Minor	timelineserver	Sangjin Lee	Sangjin Lee
HDFS-11482	Add storage type demand to into DFSNetworkTopology#chooseRandom	Major	namenode	Chen Liang	Chen Liang
YARN-6314	Potential infinite redirection on YARN log redirection web service	Major	.	Xuan Gong	Xuan Gong
YARN-6313	yarn logs cli should provide logs for a completed container even when application is still running	Major	.	Siddharth Seth	Xuan Gong
HDFS-11514	DFSTopologyNodeImpl#chooseRandom optimizations	Major	namenode	Chen Liang	Chen Liang
YARN-6367	YARN logs CLI needs alway check containerLogsInfo/containerLogInfo before parse the JSON object from NMWebService	Major	.	Siddharth Seth	Xuan Gong
YARN-6146	Add Builder methods for TimelineEntityFilters	Major	timelineserver	Rohith Sharma K S	Haibo Chen
HADOOP-14120	needless S3AFileSystem.setOptionalPutRequestParameters in S3ABlockOutputStream putObject()	Minor	fs/s3	Steve Loughran	Yuanbo Liu
HADOOP-14135	Remove URI parameter in AWSCredentialProvider constructors	Major	fs/s3	Mingliang Liu	Mingliang Liu
HADOOP-14196	Azure Data Lake doc is missing required config entry	Major	fs/adl	Atul Sikaria	Atul Sikaria
HADOOP-14197	Fix ADLS doc for credential provider	Major	documentation, fs/adl	John Zhuge	John Zhuge
HADOOP-14230	TestAdlFileSystemContractLive fails to clean up	Minor	fs/adl, test	John Zhuge	John Zhuge
HADOOP-14038	Rename ADLS credential properties	Minor	fs/adl	John Zhuge	John Zhuge
HDFS-11577	Combine the old and the new chooseRandom for better performance	Major	namenode	Chen Liang	Chen Liang
YARN-6357	Implement putEntitiesAsync API in TimelineCollector	Major	ATSv2, timelineserver	Joep Rottinghuis	Haibo Chen
YARN-6342	Make TimelineV2Client's drain timeout after stop configurable	Major	.	Jian He	Haibo Chen
YARN-6376	Exceptions caused by synchronous putEntities requests can be swallowed	Critical	ATSv2	Haibo Chen	Haibo Chen
YARN-6414	ATSv2 HBase related tests fail due to guava version upgrade	Major	timelineserver	Sonia Garudi	Haibo Chen
YARN-6377	NMTimelinePublisher#serviceStop does not stop timeline clients	Major	yarn	Haibo Chen	Haibo Chen
YARN-5952	Create REST API for changing YARN scheduler configurations	Major	.	Jonathan Hung	Jonathan Hung
YARN-6109	Add an ability to convert ChildQueue to ParentQueue	Major	capacity scheduler	Xuan Gong	Xuan Gong
YARN-6424	TimelineCollector is not stopped when an app finishes in RM	Critical	timelineserver	Varun Saxena	Varun Saxena
YARN-5602	Utils for Federation State and Policy Store	Major	nodemanager, resourcemanager	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
HDFS-10882	Federation State Store Interface API	Major	fs	Jason Kace	Jason Kace
HADOOP-14290	Update SLF4J from 1.7.10 to 1.7.25	Major	.	Akira Ajisaka	Akira Ajisaka
YARN-6372	Add default value for NM disk validator	Major	nodemanager	Yufei Gu	Yufei Gu
HADOOP-14301	Deprecate SharedInstanceProfileCredentialsProvider in branch-2.	Major	fs/s3	Mingliang Liu	Mingliang Liu
HADOOP-14255	S3A to delete unnecessary fake directory objects in mkdirs()	Major	fs/s3	Mingliang Liu	Mingliang Liu
YARN-6040	Introduce api independent PendingAsk to replace usage of ResourceRequest within Scheduler classes	Major	.	Wangda Tan	Wangda Tan
YARN-6203	Occasional test failure in TestWeightedRandomRouterPolicy	Minor	federation	Botong Huang	Carlo Curino
YARN-6432	FairScheduler: Reserve preempted resources for corresponding applications	Major	.	Miklos Szegedi	Miklos Szegedi
HADOOP-14321	Explicitly exclude S3A root dir ITests from parallel runs	Minor	fs/s3, test	Steve Loughran	Steve Loughran
HADOOP-14241	Add ADLS sensitive config keys to default list	Minor	fs, fs/adl, security	John Zhuge	John Zhuge
HADOOP-14324	Refine S3 server-side-encryption key as encryption secret; improve error reporting and diagnostics	Blocker	fs/s3	Steve Loughran	Steve Loughran
HADOOP-14305	S3A SSE tests won't run in parallel: Bad request in directory GetFileStatus	Minor	fs/s3, test	Steve Loughran	Steve Moist
YARN-3663	Federation State and Policy Store (DBMS implementation)	Major	nodemanager, resourcemanager	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
HADOOP-14349	Rename ADLS CONTRACT_ENABLE_KEY	Minor	fs/adl	Mingliang Liu	Mingliang Liu
YARN-6455	Enhance the timelinewriter.flush() race condition fix	Major	yarn	Haibo Chen	Haibo Chen
HDFS-7964	Add support for async edit logging	Major	namenode	Daryn Sharp	Daryn Sharp
YARN-4359	Update LowCost agents logic to take advantage of YARN-4358	Major	capacityscheduler, fairscheduler, resourcemanager	Carlo Curino	Ishai Menache
YARN-6542	Fix the logger in TestAlignedPlanner and TestGreedyReservationAgent	Major	reservation system	Subru Krishnan	Subru Krishnan
YARN-5331	Extend RLESparseResourceAllocation with period for supporting recurring reservations in YARN ReservationSystem	Major	resourcemanager	Subru Krishnan	Sangeetha Abdu Jyothi
HDFS-9005	Provide configuration support for upgrade domain	Major	.	Ming Ma	Ming Ma
HDFS-9016	Display upgrade domain information in fsck	Major	.	Ming Ma	Ming Ma
HDFS-9922	Upgrade Domain placement policy status marks a good block in violation when there are decommissioned nodes	Minor	.	Chris Trezzo	Chris Trezzo
HDFS-10630	Federation State Store FS Implementation	Major	hdfs	Íñigo Goiri	Jason Kace
YARN-5411	Create a proxy chain for ApplicationClientProtocol in the Router	Major	nodemanager, resourcemanager	Subru Krishnan	Giovanni Matteo Fumarola
YARN-6374	Improve test coverage and add utility classes for common Docker operations	Major	nodemanager, yarn	Shane Kumpf	Shane Kumpf
YARN-6375	App level aggregation should not consider metric values reported in the previous aggregation cycle	Major	timelineserver	Varun Saxena	Varun Saxena
HDFS-11530	Use HDFS specific network topology to choose datanode in BlockPlacementPolicyDefault	Major	namenode	Yiqun Lin	Yiqun Lin
YARN-6565	Fix memory leak and finish app trigger in AMRMProxy	Critical	.	Botong Huang	Botong Huang
YARN-6234	Support multiple attempts on the node when AMRMProxy is enabled	Major	amrmproxy, federation, nodemanager	Subru Krishnan	Giovanni Matteo Fumarola
HADOOP-14384	Reduce the visibility of FileSystem#newFSDataOutputStreamBuilder before the API becomes stable	Blocker	fs	Lei (Eddy) Xu	Lei (Eddy) Xu
YARN-6563	ConcurrentModificationException in TimelineCollectorManager while stopping RM	Major	resourcemanager	Rohith Sharma K S	Haibo Chen
YARN-5413	Create a proxy chain for ResourceManager Admin API in the Router	Major	nodemanager, resourcemanager	Subru Krishnan	Giovanni Matteo Fumarola
YARN-6435	[ATSv2] Can't retrieve more than 1000 versions of metrics in time series	Critical	timelineserver	Rohith Sharma K S	Vrushali C
YARN-6561	Update exception message during timeline collector aux service initialization	Minor	timelineserver	Vrushali C	Vrushali C
YARN-6306	NMClient API change for container upgrade	Major	.	Jian He	Arun Suresh
HADOOP-11572	s3a delete() operation fails during a concurrent delete of child entries	Major	fs/s3	Steve Loughran	Steve Loughran
YARN-5949	Add pluggable configuration ACL policy interface and implementation	Major	.	Jonathan Hung	Jonathan Hung
YARN-6587	Refactor of ResourceManager#startWebApp in a Util class	Major	nodemanager, resourcemanager	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-6555	Store application flow context in NM state store for work-preserving restart	Major	timelineserver	Vrushali C	Rohith Sharma K S
YARN-5531	UnmanagedAM pool manager for federating application across clusters	Major	nodemanager, resourcemanager	Subru Krishnan	Botong Huang
HDFS-11446	TestMaintenanceState#testWithNNAndDNRestart fails intermittently	Major	.	Yiqun Lin	Yiqun Lin
YARN-6666	Fix unit test failure in TestRouterClientRMService	Minor	.	Botong Huang	Botong Huang
YARN-6484	[Documentation] Documenting the YARN Federation feature	Major	nodemanager, resourcemanager	Subru Krishnan	Carlo Curino
YARN-6658	Remove columnFor() methods of Columns in HBaseTimeline backend	Major	.	Haibo Chen	Haibo Chen
YARN-3666	Federation Intercepting and propagating AM- home RM communications	Major	nodemanager, resourcemanager	Kishore Chaliparambil	Botong Huang
YARN-6246	Identifying starved apps does not need the scheduler writelock	Major	fairscheduler	Karthik Kambatla	Karthik Kambatla
HDFS-11904	Reuse iip in unprotectedRemoveXAttrs calls	Major	.	Xiao Chen	Xiao Chen
HDFS-11359	DFSAdmin report command supports displaying maintenance state datanodes	Major	datanode, namenode	Yiqun Lin	Yiqun Lin
YARN-6316	Provide help information and documentation for TimelineSchemaCreator	Major	timelineserver	Li Lu	Haibo Chen
YARN-6575	Support global configuration mutation in MutableConfProvider	Major	.	Jonathan Hung	Jonathan Hung
HADOOP-14035	Reduce fair call queue backoff's impact on clients	Major	ipc	Daryn Sharp	Daryn Sharp
YARN-6604	Allow metric TTL for Application table to be specified through cmd	Major	ATSv2	Haibo Chen	Haibo Chen
YARN-5647	[ATSv2 Security] Collector side changes for loading auth filters and principals	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-6511	Federation: transparently spanning application across multiple sub-clusters	Major	.	Botong Huang	Botong Huang
YARN-6679	Reduce Resource instance overhead via non-PBImpl	Major	resourcemanager	Daryn Sharp	Daryn Sharp
HADOOP-13174	Add more debug logs for delegation tokens and authentication	Minor	security	Xiao Chen	Xiao Chen
HADOOP-13854	KMS should log error details in KMSExceptionsProvider	Major	kms	Xiao Chen	Xiao Chen
YARN-6682	Improve performance of AssignmentInformation datastructures	Major	.	Daryn Sharp	Daryn Sharp
YARN-6638	[ATSv2 Security] Timeline reader side changes for loading auth filters and principals	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-6707	[ATSv2] Update HBase version to 1.2.6	Major	timelineserver	Varun Saxena	Vrushali C
HADOOP-14394	Provide Builder pattern for DistributedFileSystem.create	Major	fs	Lei (Eddy) Xu	Lei (Eddy) Xu
HADOOP-14289	Move log4j APIs over to slf4j in hadoop-common	Major	.	Akira Ajisaka	Akira Ajisaka
HADOOP-14395	Provide Builder pattern for DistributedFileSystem.append	Major	fs	Lei (Eddy) Xu	Lei (Eddy) Xu
HADOOP-14538	Fix TestFilterFileSystem and TestHarFileSystem failures after DistributedFileSystem.append API	Major	fs	Lei (Eddy) Xu	Lei (Eddy) Xu
YARN-6680	Avoid locking overhead for NO_LABEL lookups	Major	resourcemanager	Daryn Sharp	Daryn Sharp
HADOOP-14296	Move logging APIs over to slf4j in hadoop-tools	Major	.	Akira Ajisaka	Akira Ajisaka
YARN-6724	Add ability to blacklist sub-clusters when invoking Routing policies	Major	router	Subru Krishnan	Giovanni Matteo Fumarola
HDFS-11998	Enable DFSNetworkTopology as default	Major	namenode	Chen Liang	Chen Liang
HADOOP-14542	Add IOUtils.cleanupWithLogger that accepts slf4j logger API	Major	.	Akira Ajisaka	Chen Liang
HADOOP-14547	[WASB] the configured retry policy is not used for all storage operations.	Major	fs/azure	Thomas Marquardt	Thomas Marquardt
YARN-5648	[ATSv2 Security] Client side changes for authentication	Major	timelineserver	Varun Saxena	Varun Saxena
HADOOP-14549	Use GenericTestUtils.setLogLevel when available in hadoop-tools	Major	.	Akira Ajisaka	Wenxin He
YARN-3659	Federation: routing client invocations transparently to multiple RMs	Major	client, resourcemanager, router	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
HADOOP-14573	regression: Azure tests which capture logs failing with move to SLF4J	Major	fs/azure, test	Steve Loughran	Steve Loughran
HADOOP-14546	Azure: Concurrent I/O does not work when secure.mode is enabled	Major	fs/azure	Thomas Marquardt	Thomas Marquardt
HADOOP-14190	add more on s3 regions to the s3a documentation	Minor	documentation, fs/s3	Steve Loughran	Steve Loughran
HADOOP-14609	NPE in AzureNativeFileSystemStore.checkContainer() if StorageException lacks an error code	Major	fs/azure	Steve Loughran	Steve Loughran
YARN-5311	Document graceful decommission CLI and usage	Major	documentation	Junping Du	Elek, Marton
HADOOP-14596	AWS SDK 1.11+ aborts() on close() if > 0 bytes in stream; logs error	Blocker	fs/s3	Steve Loughran	Steve Loughran
YARN-6681	Eliminate double-copy of child queues in canAssignToThisQueue	Major	resourcemanager	Daryn Sharp	Daryn Sharp
HADOOP-14615	Add ServiceOperations.stopQuietly that accept slf4j logger API	Major	.	Wenxin He	Wenxin He
HADOOP-14617	Add ReflectionUtils.logThreadInfo that accept slf4j logger API	Major	.	Wenxin He	Wenxin He
HADOOP-14571	Deprecate public APIs relate to log4j1	Major	.	Akira Ajisaka	Wenxin He
HADOOP-14587	Use GenericTestUtils.setLogLevel when available in hadoop-common	Major	.	Wenxin He	Wenxin He
YARN-5953	Create CLI for changing YARN configurations	Major	.	Jonathan Hung	Jonathan Hung
YARN-6776	Refactor ApplicaitonMasterService to move actual processing logic to a separate class	Minor	.	Arun Suresh	Arun Suresh
HADOOP-14638	Replace commons-logging APIs with slf4j in StreamPumper	Major	.	Wenxin He	Wenxin He
YARN-6801	NPE in RM while setting collectors map in NodeHeartbeatResponse	Major	timelineserver	Vrushali C	Vrushali C
YARN-6807	Adding required missing configs to Federation configuration guide based on e2e testing	Major	documentation, federation	Subru Krishnan	Tanuj Nayak
YARN-6815	[Bug] FederationStateStoreFacade return behavior should be consistent irrespective of whether caching is enabled or not	Major	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-6821	Move FederationStateStore SQL DDL files from test resource to sbin	Major	nodemanager, resourcemanager	Subru Krishnan	Subru Krishnan
YARN-2113	Add cross-user preemption within CapacityScheduler's leaf-queue	Major	capacity scheduler	Vinod Kumar Vavilapalli	Sunil Govindan
YARN-5292	NM Container lifecycle and state transitions to support for PAUSED container state.	Major	.	Hitesh Sharma	Hitesh Sharma
HADOOP-14642	wasb: add support for caching Authorization and SASKeys	Major	fs/azure	Sivaguru Sankaridurg	Sivaguru Sankaridurg
YARN-6777	Support for ApplicationMasterService processing chain of interceptors	Major	.	Arun Suresh	Arun Suresh
YARN-6775	CapacityScheduler: Improvements to assignContainers, avoid unnecessary canAssignToUser/Queue calls	Major	capacityscheduler	Nathan Roberts	Nathan Roberts
YARN-4455	Support fetching metrics by time range	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-6850	Ensure that supplemented timestamp is stored only for flow run metrics	Major	timelineserver	Vrushali C	Varun Saxena
YARN-6733	Add table for storing sub-application entities	Major	timelineserver	Vrushali C	Vrushali C
HADOOP-14518	Customize User-Agent header sent in HTTP/HTTPS requests by WASB.	Minor	fs/azure	Georgi Chalakov	Georgi Chalakov
YARN-6804	Allow custom hostname for docker containers in native services	Major	yarn-native-services	Billie Rinaldi	Billie Rinaldi
YARN-6866	Minor clean-up and fixes in anticipation of YARN-2915 merge with trunk	Major	federation	Subru Krishnan	Botong Huang
YARN-5412	Create a proxy chain for ResourceManager REST API in the Router	Major	nodemanager, resourcemanager	Subru Krishnan	Giovanni Matteo Fumarola
YARN-6888	Refactor AppLevelTimelineCollector such that RM does not have aggregator threads created	Major	timelineserver	Vrushali C	Vrushali C
HADOOP-14678	AdlFilesystem#initialize swallows exception when getting user name	Minor	fs/adl	John Zhuge	John Zhuge
YARN-6734	Ensure sub-application user is extracted & sent to timeline service	Major	timelineserver	Vrushali C	Rohith Sharma K S
HDFS-12223	Rebasing HDFS-10467	Major	fs	Íñigo Goiri	Íñigo Goiri
YARN-6902	Update Microsoft JDBC Driver for SQL Server version in License.txt	Minor	federation	Botong Huang	Botong Huang
HDFS-10687	Federation Membership State Store internal API	Major	hdfs	Íñigo Goiri	Jason Kace
YARN-5947	Create LeveldbConfigurationStore class using Leveldb as backing store	Major	.	Jonathan Hung	Jonathan Hung
HADOOP-14397	Pull up the builder pattern to FileSystem and add AbstractContractCreateTest for it	Major	common, fs, hdfs-client	Lei (Eddy) Xu	Lei (Eddy) Xu
YARN-6322	Disable queue refresh when configuration mutation is enabled	Major	.	Jonathan Hung	Jonathan Hung
HDFS-11826	Federation Namenode Heartbeat	Major	fs	Íñigo Goiri	Íñigo Goiri
YARN-6853	Add MySql Scripts for FederationStateStore	Major	.	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
HDFS-9388	Refactor decommission related code to support maintenance state for datanodes	Major	.	Ming Ma	Manoj Govindassamy
YARN-5977	ContainerManagementProtocol changes to support change of container ExecutionType	Major	.	Arun Suresh	kartheek muthyala
HADOOP-14126	remove jackson, joda and other transient aws SDK dependencies from hadoop-aws	Minor	build, fs/s3	Steve Loughran	Steve Loughran
HDFS-10880	Federation Mount Table State Store internal API	Major	fs	Jason Kace	Íñigo Goiri
YARN-6957	Moving logging APIs over to slf4j in hadoop-yarn-server-sharedcachemanager	Major	.	Yeliang Cang	Yeliang Cang
YARN-6955	Handle concurrent register AM requests in FederationInterceptor	Minor	.	Botong Huang	Botong Huang
YARN-6873	Moving logging APIs over to slf4j in hadoop-yarn-server-applicationhistoryservice	Major	.	Yeliang Cang	Yeliang Cang
YARN-6897	Refactoring RMWebServices by moving some util methods to RMWebAppUtil	Major	.	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
HDFS-10646	Federation admin tool	Major	fs	Íñigo Goiri	Íñigo Goiri
HADOOP-14715	TestWasbRemoteCallHelper failing	Major	fs/azure, test	Steve Loughran	Esfandiar Manii
YARN-6970	Add PoolInitializationException as retriable exception in FederationFacade	Major	federation	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-6874	Supplement timestamp for min start/max end time columns in flow run table to avoid overwrite	Major	timelineserver	Varun Saxena	Vrushali C
YARN-6958	Moving logging APIs over to slf4j in hadoop-yarn-server-timelineservice	Major	.	Yeliang Cang	Yeliang Cang
HADOOP-14183	Remove service loader config file for wasb fs	Minor	fs/azure	John Zhuge	Esfandiar Manii
YARN-6130	[ATSv2 Security] Generate a delegation token for AM when app collector is created and pass it to AM via NM and RM	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-6133	[ATSv2 Security] Renew delegation token for app automatically if an app collector is active	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-6820	Restrict read access to timelineservice v2 data	Major	timelinereader	Vrushali C	Vrushali C
YARN-6896	Federation: routing REST invocations transparently to multiple RMs (part 1 - basic execution)	Major	.	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-6687	Validate that the duration of the periodic reservation is less than the periodicity	Major	reservation system	Subru Krishnan	Subru Krishnan
YARN-6905	Multiple HBaseTimelineStorage test failures due to missing FastNumberFormat	Major	timelineserver	Sonia Garudi	Haibo Chen
YARN-5978	ContainerScheduler and ContainerManager changes to support ExecType update	Major	.	Arun Suresh	kartheek muthyala
YARN-6741	Deleting all children of a Parent Queue on refresh throws exception	Major	capacity scheduler	Naganarasimha G R	Naganarasimha G R
HADOOP-14660	wasb: improve throughput by 34% when account limit exceeded	Major	fs/azure	Thomas Marquardt	Thomas Marquardt
YARN-7006	[ATSv2 Security] Changes for authentication for CollectorNodemanagerProtocol	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-6900	ZooKeeper based implementation of the FederationStateStore	Major	federation, nodemanager, resourcemanager	Subru Krishnan	Íñigo Goiri
HDFS-11554	[Documentation] Router-based federation documentation	Minor	fs	Íñigo Goiri	Íñigo Goiri
HDFS-12312	Rebasing HDFS-10467 (2)	Major	.	Íñigo Goiri	Íñigo Goiri
YARN-7028	Backport HADOOP-14386 to YARN-5355 branch	Major	timelineserver	Vrushali C	Vrushali C
YARN-6988	container-executor fails for docker when command length > 4096 B	Major	yarn	Eric Badger	Eric Badger
YARN-7038	[Atsv2 Security] CollectorNodemanagerProtocol RPC interface doesn't work when service authorization is enabled	Major	.	Rohith Sharma K S	Varun Saxena
HADOOP-14769	WASB: delete recursive should not fail if a file is deleted	Major	fs/azure	Thomas Marquardt	Thomas Marquardt
YARN-7041	Nodemanager NPE running jobs with security off	Major	timelineserver	Aaron Gresch	Varun Saxena
YARN-6134	[ATSv2 Security] Regenerate delegation token for app just before token expires if app collector is active	Major	timelineserver	Varun Saxena	Varun Saxena
YARN-6979	Add flag to notify all types of container updates to NM via NodeHeartbeatResponse	Major	.	Arun Suresh	kartheek muthyala
YARN-6861	Reader API for sub application entities	Major	timelinereader	Rohith Sharma K S	Rohith Sharma K S
YARN-6323	Rolling upgrade/config change is broken on timeline v2.	Major	timelineserver	Li Lu	Vrushali C
HDFS-10631	Federation State Store ZooKeeper implementation	Major	fs	Íñigo Goiri	Jason Kace
YARN-6047	Documentation updates for TimelineService v2	Major	documentation, timelineserver	Varun Saxena	Rohith Sharma K S
MAPREDUCE-6838	[ATSv2 Security] Add timeline delegation token received in allocate response to UGI	Major	.	Varun Saxena	Varun Saxena
YARN-3053	[Security] Review and implement authentication in ATS v.2	Major	timelineserver	Sangjin Lee	Varun Saxena
YARN-5603	Metrics for Federation StateStore	Major	.	Subru Krishnan	Ellen Hui
YARN-6923	Metrics for Federation Router	Major	.	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-7024	Fix issues on recovery in LevelDB store	Major	.	Jonathan Hung	Jonathan Hung
YARN-7047	Moving logging APIs over to slf4j in hadoop-yarn-server-nodemanager	Major	.	Yeliang Cang	Yeliang Cang
YARN-6876	Create an abstract log writer for extendability	Major	.	Xuan Gong	Xuan Gong
YARN-7010	Federation: routing REST invocations transparently to multiple RMs (part 2 - getApps)	Major	.	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-5219	When an export var command fails in launch_container.sh, the full container launch should fail	Major	.	Hitesh Shah	Sunil Govindan
HADOOP-14802	Add support for using container saskeys for all accesses	Major	fs/azure	Sivaguru Sankaridurg	Sivaguru Sankaridurg
YARN-7094	Document the current known issue with server-side NM graceful decom	Blocker	graceful	Robert Kanter	Robert Kanter
YARN-7095	Federation: routing getNode/getNodes/getMetrics REST invocations transparently to multiple RMs	Major	.	Giovanni Matteo Fumarola	Giovanni Matteo Fumarola
YARN-6726	Fix issues with docker commands executed by container-executor	Major	nodemanager	Shane Kumpf	Shane Kumpf
YARN-6877	Create an abstract log reader for extendability	Major	.	Xuan Gong	Xuan Gong
HADOOP-14103	Sort out hadoop-aws contract-test-options.xml	Minor	fs/s3, test	Steve Loughran	John Zhuge
YARN-7148	TestLogsCLI fails in trunk and branch-2 and javadoc error	Major	.	Xuan Gong	Xuan Gong
YARN-5328	Plan/ResourceAllocation data structure enhancements required to support recurring reservations in ReservationSystem	Major	resourcemanager	Subru Krishnan	Subru Krishnan
YARN-6978	Add updateContainer API to NMClient.	Major	.	Arun Suresh	kartheek muthyala
HADOOP-14774	S3A case "testRandomReadOverBuffer" failed due to improper range parameter	Minor	fs/s3	Yonger	Yonger
YARN-7144	Log Aggregation controller should not swallow the exceptions when it calls closeWriter and closeReader.	Major	.	Xuan Gong	Xuan Gong
HDFS-12384	Fixing compilation issue with BanDuplicateClasses	Major	fs	Íñigo Goiri	Íñigo Goiri
YARN-6600	Introduce default and max lifetime of application at LeafQueue level	Major	capacity scheduler	Rohith Sharma K S	Rohith Sharma K S
YARN-6849	NMContainerStatus should have the Container ExecutionType.	Major	.	Arun Suresh	kartheek muthyala
HDFS-12335	Federation Metrics	Major	fs	Giovanni Matteo Fumarola	Íñigo Goiri
YARN-5330	SharingPolicy enhancements required to support recurring reservations in ReservationSystem	Major	resourcemanager	Subru Krishnan	Carlo Curino
YARN-7072	Add a new log aggregation file format controller	Major	.	Xuan Gong	Xuan Gong
YARN-7173	Container update RM-NM communication fix for backward compatibility	Major	.	Arun Suresh	Arun Suresh
YARN-7063	TestTimelineReaderWebServicesHBaseStorage fails with NoClassDefFoundError on TSv2 branch2	Major	timelineserver	Vrushali C	Varun Saxena
YARN-6059	Update paused container state in the NM state store	Blocker	.	Hitesh Sharma	Hitesh Sharma
HDFS-12430	Rebasing HDFS-10467 After HDFS-12269 and HDFS-12218	Major	fs	Íñigo Goiri	Íñigo Goiri
YARN-7194	Log aggregation status is always Failed with the newly added log aggregation IndexedFileFormat	Major	.	Xuan Gong	Xuan Gong
YARN-7162	Remove XML excludes file format	Blocker	graceful	Robert Kanter	Robert Kanter
YARN-7174	Add retry logic in LogsCLI when fetch running application logs	Major	.	Xuan Gong	Xuan Gong
HDFS-12450	Fixing TestNamenodeHeartbeat and support non-HA	Major	fs	Íñigo Goiri	Íñigo Goiri
YARN-6840	Implement zookeeper based store for scheduler configuration updates	Major	.	Wangda Tan	Jonathan Hung
HADOOP-14583	wasb throws an exception if you try to create a file and there's no parent directory	Minor	fs/azure	Steve Loughran	Esfandiar Manii
HDFS-12473	Change hosts JSON file format	Major	.	Ming Ma	Ming Ma
HDFS-11035	Better documentation for maintenace mode and upgrade domain	Major	datanode, documentation	Wei-Chiu Chuang	Ming Ma
YARN-7046	Add closing logic to configuration store	Major	.	Jonathan Hung	Jonathan Hung
YARN-4266	Allow users to enter containers as UID:GID pair instead of by username	Major	yarn	Sidharta Seethana	luhuichun
MAPREDUCE-6947	Moving logging APIs over to slf4j in hadoop-mapreduce-examples	Major	.	Gergely Novák	Gergely Novák
HDFS-12381	[Documentation] Adding configuration keys for the Router	Minor	fs	Íñigo Goiri	Íñigo Goiri
HADOOP-14892	MetricsSystemImpl should use Time.monotonicNow for measuring durations	Minor	.	Chetna Chaudhari	Chetna Chaudhari
HADOOP-14881	LoadGenerator should use Time.monotonicNow() to measure durations	Major	.	Chetna Chaudhari	Bharat Viswanadham
YARN-7238	Documentation for API based scheduler configuration management	Major	.	Jonathan Hung	Jonathan Hung
HADOOP-14893	WritableRpcEngine should use Time.monotonicNow	Minor	.	Chetna Chaudhari	Chetna Chaudhari
HADOOP-14890	Move up to AWS SDK 1.11.199	Blocker	build, fs/s3	Steve Loughran	Steve Loughran
HDFS-12386	Add fsserver defaults call to WebhdfsFileSystem.	Minor	webhdfs	Rushabh S Shah	Rushabh S Shah
YARN-7252	Removing queue then failing over results in exception	Critical	.	Jonathan Hung	Jonathan Hung
YARN-7251	Misc changes to YARN-5734	Major	.	Jonathan Hung	Jonathan Hung
YARN-6691	Update YARN daemon startup/shutdown scripts to include Router service	Major	nodemanager, resourcemanager	Subru Krishnan	Giovanni Matteo Fumarola
YARN-6962	Add support for updateContainers when allocating using FederationInterceptor	Minor	.	Botong Huang	Botong Huang
YARN-7250	Update Shared cache client api to use URLs	Minor	.	Chris Trezzo	Chris Trezzo
YARN-6509	Add a size threshold beyond which yarn logs will require a force option	Major	.	Siddharth Seth	Xuan Gong
HADOOP-14768	Honoring sticky bit during Deletion when authorization is enabled in WASB	Major	fs/azure	Varada Hemeswari	Varada Hemeswari
YARN-7259	Add size-based rolling policy to LogAggregationIndexedFileController	Major	.	Xuan Gong	Xuan Gong
YARN-6550	Capture launch_container.sh logs to a separate log file	Major	.	Wangda Tan	Suma Shivaprasad
HDFS-12580	Rebasing HDFS-10467 after HDFS-12447	Major	fs	Íñigo Goiri	Íñigo Goiri
HADOOP-14220	Enhance S3GuardTool with bucket-info and set-capacity commands, tests	Major	fs/s3	Steve Loughran	Steve Loughran
YARN-2037	Add work preserving restart support for Unmanaged AMs	Major	resourcemanager	Karthik Kambatla	Botong Huang
YARN-5329	Placement Agent enhancements required to support recurring reservations in ReservationSystem	Blocker	resourcemanager	Subru Krishnan	Carlo Curino
HADOOP-14845	Azure wasb: getFileStatus not making any auth checks	Major	fs/azure, security	Sivaguru Sankaridurg	Sivaguru Sankaridurg
YARN-2960	Add documentation for the YARN shared cache	Major	.	Chris Trezzo	Chris Trezzo
HDFS-12273	Federation UI	Major	fs	Íñigo Goiri	Íñigo Goiri
HDFS-12577	Rename Router tooling	Major	fs	Íñigo Goiri	Íñigo Goiri
HADOOP-14899	Restrict Access to setPermission operation when authorization is enabled in WASB	Major	fs/azure	Kannapiran Srinivasan	Kannapiran Srinivasan
YARN-7305	Merge YARN-5734 branch to branch-2	Major	.	Xuan Gong	Xuan Gong
HADOOP-14913	Sticky bit implementation for rename() operation in Azure WASB	Major	fs, fs/azure	Varada Hemeswari	Varada Hemeswari
YARN-6033	Add support for sections in container-executor configuration file	Major	nodemanager	Varun Vasudev	Varun Vasudev
HADOOP-14935	Azure: POSIX permissions are taking effect in access() method even when authorization is enabled	Major	fs/azure	Santhosh G Nayak	Santhosh G Nayak
YARN-7275	NM Statestore cleanup for Container updates	Blocker	.	Arun Suresh	kartheek muthyala
YARN-7311	Fix TestRMWebServicesReservation parametrization for fair scheduler	Blocker	fairscheduler, reservation system	Yufei Gu	Yufei Gu
YARN-7295	Backport ATSv2 to branch-2	Critical	.	Varun Saxena	Varun Saxena
YARN-7338	Support same origin policy for cross site scripting prevention.	Major	yarn-ui-v2	Vrushali C	Sunil Govindan
HDFS-12620	Backporting HDFS-10467 to branch-2	Major	.	Íñigo Goiri	Íñigo Goiri
YARN-4090	Make Collections.sort() more efficient by caching resource usage	Major	fairscheduler	Xianyin Xin	Yufei Gu
YARN-7353	Docker permitted volumes don't properly check for directories	Major	yarn	Eric Badger	Eric Badger
YARN-7169	Backport new yarn-ui to branch2 code (starting with YARN-5355_branch2)	Critical	timelineclient, timelinereader, timelineserver	Vrushali C	Vrushali C
YARN-3661	Basic Federation UI	Major	nodemanager, resourcemanager	Giovanni Matteo Fumarola	Íñigo Goiri
YARN-4827	Document configuration of ReservationSystem for FairScheduler	Blocker	capacity scheduler	Subru Krishnan	Yufei Gu
YARN-5516	Add REST API for supporting recurring reservations	Major	resourcemanager	Sangeetha Abdu Jyothi	Sean Po
YARN-7178	Add documentation for Container Update API	Blocker	.	Arun Suresh	Arun Suresh
YARN-7380	Fix findbugs warning in timeline service on branch-2	Major	timelineclient, timelinereader, timelineserver	Vrushali C	Vrushali C
YARN-7378	Documentation changes post branch-2 merge	Major	timelineclient, timelinereader, timelineserver	Varun Saxena	Vrushali C
YARN-7398	Update LICENSE.txt with respect to new YARN UI merge	Blocker	.	Subru Krishnan	Varun Saxena
YARN-7276	Federation Router Web Service fixes	Major	.	Íñigo Goiri	Íñigo Goiri
YARN-7289	Application lifetime does not work with FairScheduler	Major	resourcemanager	Miklos Szegedi	Miklos Szegedi
YARN-7286	Add support for docker to have no capabilities	Major	yarn	Eric Badger	Eric Badger
YARN-6627	Use deployed webapp folder to launch new YARN UI	Major	yarn-ui-v2	Sunil Govindan	Sunil Govindan
HDFS-9754	Avoid unnecessary getBlockCollection calls in BlockManager	Major	namenode	Jing Zhao	Jing Zhao

OTHER:

JIRA	Summary	Priority	Component	Reporter	Contributor
YARN-4535	Fix checkstyle error in CapacityScheduler.java	Trivial	.	Rohith Sharma K S	Naganarasimha G R
YARN-5297	Avoid printing a stack trace when recovering an app after the RM restarts	Major	.	Siddharth Seth	Junping Du
YARN-5717	Add tests for container-executor's is_feature_enabled function	Major	yarn	Sidharta Seethana	Sidharta Seethana
YARN-5308	FairScheduler: Move continuous scheduling related tests to TestContinuousScheduling	Major	fairscheduler, test	Karthik Kambatla	Kai Sasaki
YARN-5822	Log ContainerRuntime initialization error in LinuxContainerExecutor	Trivial	nodemanager	Sidharta Seethana	Sidharta Seethana
YARN-5646	Add documentation and update config parameter names for scheduling of OPPORTUNISTIC containers	Blocker	.	Konstantinos Karanasos	Konstantinos Karanasos
YARN-6411	Clean up the overwrite of createDispatcher() in subclass of MockRM	Minor	resourcemanager	Yufei Gu	Yufei Gu
HADOOP-14344	Revert HADOOP-13606 swift FS to add a service load metadata file	Major	.	John Zhuge	John Zhuge
HDFS-11717	Add unit test for HDFS-11709 StandbyCheckpointer should handle non-existing legacyOivImageDir gracefully	Minor	ha, namenode	Erik Krogen	Erik Krogen
YARN-6969	Clean up unused code in class FairSchedulerQueueInfo	Trivial	fairscheduler	Yufei Gu	Larry Lo
YARN-6622	Document Docker work as experimental	Blocker	documentation	Varun Vasudev	Varun Vasudev
YARN-7203	Add container ExecutionType into ContainerReport	Minor	.	Botong Huang	Botong Huang
YARN-6499	Remove the doc about Schedulable#redistributeShare()	Trivial	fairscheduler	Yufei Gu	Chetna Chaudhari
HADOOP-13835	Move Google Test Framework code from mapreduce to hadoop-common	Major	test	Varun Vasudev	Varun Vasudev
YARN-7317	Fix overallocation resulted from ceiling in LocalityMulticastAMRMProxyPolicy	Minor	.	Botong Huang	Botong Huang