“Apache Hadoop” Changelog

Release 2.9.1 - 2018-04-16


JIRA Summary Priority Component Reporter Contributor
HDFS-12883 RBF: Document Router and State Store metrics Major documentation Yiqun Lin Yiqun Lin
HDFS-12895 RBF: Add ACL support for mount table Major . Yiqun Lin Yiqun Lin
YARN-7190 Ensure only NM classpath in 2.x gets TSv2 related hbase jars, not the user classpath Major timelineclient, timelinereader, timelineserver Vrushali C Varun Saxena
HDFS-13099 RBF: Use the ZooKeeper as the default State Store Minor documentation Yiqun Lin Yiqun Lin


JIRA Summary Priority Component Reporter Contributor
HDFS-13083 RBF: Fix doc error setting up client Major federation tartarus tartarus


JIRA Summary Priority Component Reporter Contributor
HADOOP-12756 Incorporate Aliyun OSS file system implementation Major fs, fs/oss shimingfei mingfei.shi


JIRA Summary Priority Component Reporter Contributor
HADOOP-14872 CryptoInputStream should implement unbuffer Major fs, security John Zhuge John Zhuge
HADOOP-14964 AliyunOSS: backport Aliyun OSS module to branch-2 Major fs/oss Genmao Yu SammiChen
YARN-6851 Capacity Scheduler: document configs for controlling # containers allowed to be allocated per node heartbeat Minor . Wei Yan Wei Yan
YARN-7495 Improve robustness of the AggregatedLogDeletionService Major log-aggregation Jonathan Eagles Jonathan Eagles
YARN-7611 Node manager web UI should display container type in containers page Major nodemanager, webapp Weiwei Yang Weiwei Yang
HADOOP-15056 Fix TestUnbuffer#testUnbufferException failure Minor test Jack Bearden Jack Bearden
HADOOP-15012 Add readahead, dropbehind, and unbuffer to StreamCapabilities Major fs John Zhuge John Zhuge
HADOOP-15104 AliyunOSS: change the default value of max error retry Major fs/oss wujinhu wujinhu
YARN-7642 Add test case to verify context update after container promotion or demotion with or without auto update Minor nodemanager Weiwei Yang Weiwei Yang
HADOOP-15111 AliyunOSS: backport HADOOP-14993 to branch-2 Major fs/oss Genmao Yu Genmao Yu
HDFS-9023 When NN is not able to identify DN for replication, reason behind it can be logged Critical hdfs-client, namenode Surendra Singh Lilhore Xiao Chen
YARN-7678 Ability to enable logging of container memory stats Major nodemanager Jim Brennan Jim Brennan
HDFS-12945 Switch to ClientProtocol instead of NamenodeProtocols in NamenodeWebHdfsMethods Minor . Wei Yan Wei Yan
YARN-7590 Improve container-executor validation check Major security, yarn Eric Yang Eric Yang
HADOOP-15189 backport HADOOP-15039 to branch-2 and branch-3 Blocker . Genmao Yu Genmao Yu
HADOOP-15212 Add independent secret manager method for logging expired tokens Major security Daryn Sharp Daryn Sharp
YARN-7728 Expose container preemptions related information in Capacity Scheduler queue metrics Major . Eric Payne Eric Payne
MAPREDUCE-7048 Uber AM can crash due to unknown task in statusUpdate Major mr-am Peter Bacsko Peter Bacsko
HADOOP-13972 ADLS to support per-store configuration Major fs/adl John Zhuge Sharad Sonker
YARN-7813 Capacity Scheduler Intra-queue Preemption should be configurable for each queue Major capacity scheduler, scheduler preemption Eric Payne Eric Payne
HDFS-11187 Optimize disk access for last partial chunk checksum of Finalized replica Major datanode Wei-Chiu Chuang Gabor Bota
HADOOP-15279 increase maven heap size recommendations Minor build, documentation, test Allen Wittenauer Allen Wittenauer
HDFS-12884 BlockUnderConstructionFeature.truncateBlock should be of type BlockInfo Major namenode Konstantin Shvachko chencan
HADOOP-15334 Upgrade Maven surefire plugin Major build Arpit Agarwal Arpit Agarwal
YARN-7623 Fix the CapacityScheduler Queue configuration documentation Major . Arun Suresh Jonathan Hung
HDFS-13314 NameNode should optionally exit if it detects FsImage corruption Major namenode Arpit Agarwal Arpit Agarwal


JIRA Summary Priority Component Reporter Contributor
HADOOP-13723 AliyunOSSInputStream#read() should update read bytes stat correctly Major tools Mingliang Liu Mingliang Liu
HADOOP-14045 Aliyun OSS documentation missing from website Major documentation, fs/oss Andrew Wang Yiqun Lin
HADOOP-14458 Add missing imports to TestAliyunOSSFileSystemContract.java Trivial fs/oss, test Mingliang Liu Mingliang Liu
HADOOP-14466 Remove useless document from TestAliyunOSSFileSystemContract.java Minor documentation Akira Ajisaka Chen Liang
HDFS-12318 Fix IOException condition for openInfo in DFSInputStream Major . legend legend
HDFS-12614 FSPermissionChecker#getINodeAttrs() throws NPE when INodeAttributesProvider configured Major . Manoj Govindassamy Manoj Govindassamy
HDFS-12788 Reset the upload button when file upload fails Critical ui, webhdfs Brahma Reddy Battula Brahma Reddy Battula
YARN-7388 TestAMRestart should be scheduler agnostic Major . Haibo Chen Haibo Chen
HDFS-12705 WebHdfsFileSystem exceptions should retain the caused by exception Major hdfs Daryn Sharp Hanisha Koneru
YARN-7361 Improve the docker container runtime documentation Major . Shane Kumpf Shane Kumpf
YARN-7469 Capacity Scheduler Intra-queue preemption: User can starve if newest app is exactly at user limit Major capacity scheduler, yarn Eric Payne Eric Payne
YARN-7489 ConcurrentModificationException in RMAppImpl#getRMAppMetrics Major capacityscheduler Tao Yang Tao Yang
YARN-7525 Incorrect query parameters in cluster nodes REST API document Minor documentation Tao Yang Tao Yang
HADOOP-15045 ISA-L build options are documented in branch-2 Major build, documentation Akira Ajisaka Akira Ajisaka
YARN-7390 All reservation related test cases failed when TestYarnClient runs against Fair Scheduler. Major fairscheduler, reservation system Yufei Gu Yufei Gu
HDFS-12754 Lease renewal can hit a deadlock Major . Kuhu Shukla Kuhu Shukla
HDFS-12832 INode.getFullPathName may throw ArrayIndexOutOfBoundsException lead to NameNode exit Critical namenode DENG FEI Konstantin Shvachko
HDFS-11754 Make FsServerDefaults cache configurable. Minor . Rushabh S Shah Mikhail Erofeev
YARN-7509 AsyncScheduleThread and ResourceCommitterService are still running after RM is transitioned to standby Critical . Tao Yang Tao Yang
YARN-7558 “yarn logs” command fails to get logs for running containers if UI authentication is enabled. Critical . Namit Maheshwari Xuan Gong
HDFS-12638 Delete copy-on-truncate block along with the original block, when deleting a file being truncated Blocker hdfs Jiandan Yang Konstantin Shvachko
MAPREDUCE-5124 AM lacks flow control for task events Major mr-am Jason Lowe Peter Bacsko
YARN-7455 quote_and_append_arg can overflow buffer Major nodemanager Jason Lowe Jim Brennan
HADOOP-14985 Remove subversion related code from VersionInfoMojo.java Minor build Akira Ajisaka Ajay Kumar
HDFS-12889 Router UI is missing robots.txt file Major . Bharat Viswanadham Bharat Viswanadham
HDFS-11576 Block recovery will fail indefinitely if recovery time > heartbeat interval Critical datanode, hdfs, namenode Lukas Majercak Lukas Majercak
YARN-7607 Remove the trailing duplicated timestamp in container diagnostics message Minor nodemanager Weiwei Yang Weiwei Yang
HADOOP-15080 Aliyun OSS: update oss sdk from 2.8.1 to 2.8.3 to remove its dependency on Cat-x “json-lib” Blocker fs/oss Chris Douglas SammiChen
YARN-7591 NPE in async-scheduling mode of CapacityScheduler Critical capacityscheduler Tao Yang Tao Yang
YARN-7608 Incorrect sTarget column causing DataTable warning on RM application and scheduler web page Major resourcemanager, webapp Weiwei Yang Gergely Novák
HDFS-12833 Distcp : Update the usage of delete option for dependency with update and overwrite option Minor distcp, hdfs Harshakiran Reddy usharani
YARN-7647 NM print inappropriate error log when node-labels is enabled Minor . Yang Wang Yang Wang
HDFS-12907 Allow read-only access to reserved raw for non-superusers Major namenode Daryn Sharp Rushabh S Shah
HDFS-12881 Output streams closed with IOUtils suppressing write errors Major . Jason Lowe Ajay Kumar
YARN-7595 Container launching code suppresses close exceptions after writes Major nodemanager Jason Lowe Jim Brennan
HADOOP-15085 Output streams closed with IOUtils suppressing write errors Major . Jason Lowe Jim Brennan
YARN-7661 NodeManager metrics return wrong value after update node resource Major . Yang Wang Yang Wang
HDFS-12347 TestBalancerRPCDelay#testBalancerRPCDelay fails very frequently Critical test Xiao Chen Bharat Viswanadham
YARN-7542 Fix issue that causes some Running Opportunistic Containers to be recovered as PAUSED Major . Arun Suresh Sampada Dehankar
HADOOP-15143 NPE due to Invalid KerberosTicket in UGI Major . Jitendra Nath Pandey Mukul Kumar Singh
YARN-7692 Skip validating priority acls while recovering applications Blocker resourcemanager Charan Hebri Sunil G
MAPREDUCE-7028 Concurrent task progress updates causing NPE in Application Master Blocker mr-am Gergo Repas Gergo Repas
YARN-7619 Max AM Resource value in Capacity Scheduler UI has to be refreshed for every user Major capacity scheduler, yarn Eric Payne Eric Payne
YARN-7699 queueUsagePercentage is coming as INF for getApp REST api call Major webapp Sunil G Sunil G
YARN-7508 NPE in FiCaSchedulerApp when debug log enabled in async-scheduling mode Major capacityscheduler Tao Yang Tao Yang
YARN-7663 RMAppImpl:Invalid event: START at KILLED Minor resourcemanager lujie lujie
YARN-6948 Invalid event: ATTEMPT_ADDED at FINAL_SAVING Minor yarn lujie lujie
YARN-7735 Fix typo in YARN documentation Minor documentation Takanobu Asanuma Takanobu Asanuma
YARN-7727 Incorrect log levels in few logs with QueuePriorityContainerCandidateSelector Minor yarn Prabhu Joseph Prabhu Joseph
HDFS-11915 Sync rbw dir on the first hsync() to avoid file lost on power failure Critical . Kanaka Kumar Avvaru Vinayakumar B
HDFS-9049 Make Datanode Netty reverse proxy port to be configurable Major datanode Vinayakumar B Vinayakumar B
HADOOP-15150 in FsShell, UGI params should be overidden through env vars(-D arg) Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-15181 Typo in SecureMode.md Trivial documentation Masahiro Tanaka Masahiro Tanaka
YARN-7737 prelaunch.err file not found exception on container failure Major . Jonathan Hung Keqiu Hu
HDFS-13063 Fix the incorrect spelling in HDFSHighAvailabilityWithQJM.md Trivial documentation Jianfei Jiang Jianfei Jiang
YARN-7102 NM heartbeat stuck when responseId overflows MAX_INT Critical . Botong Huang Botong Huang
HADOOP-15151 MapFile.fix creates a wrong index file in case of block-compressed data file. Major common Grigori Rybkine Grigori Rybkine
MAPREDUCE-7020 Task timeout in uber mode can crash AM Major mr-am Akira Ajisaka Peter Bacsko
YARN-7698 A misleading variable’s name in ApplicationAttemptEventDispatcher Minor resourcemanager Jinjiang Ling Jinjiang Ling
HDFS-13100 Handle IllegalArgumentException when GETSERVERDEFAULTS is not implemented in webhdfs. Critical hdfs, webhdfs Yongjun Zhang Yongjun Zhang
YARN-6868 Add test scope to certain entries in hadoop-yarn-server-resourcemanager pom.xml Major yarn Ray Chiang Ray Chiang
YARN-7849 TestMiniYarnClusterNodeUtilization#testUpdateNodeUtilization fails due to heartbeat sync error Major test Jason Lowe Botong Huang
YARN-7801 AmFilterInitializer should addFilter after fill all parameters Critical . Sumana Sathish Wangda Tan
YARN-7890 NPE during container relaunch Major . Billie Rinaldi Jason Lowe
HDFS-12935 Get ambiguous result for DFSAdmin command in HA mode when only one namenode is up Major tools Jianfei Jiang Jianfei Jiang
HDFS-13120 Snapshot diff could be corrupted after concat Major namenode, snapshots Xiaoyu Yao Xiaoyu Yao
HDFS-10453 ReplicationMonitor thread could stuck for long time due to the race between replication and delete of same file in a large cluster. Major namenode He Xiaoqiao He Xiaoqiao
HDFS-8693 refreshNamenodes does not support adding a new standby to a running DN Critical datanode, ha Jian Fang Ajith S
MAPREDUCE-7052 TestFixedLengthInputFormat#testFormatCompressedIn is flaky Major client, test Peter Bacsko Peter Bacsko
HDFS-13112 Token expiration edits may cause log corruption or deadlock Critical namenode Daryn Sharp Daryn Sharp
MAPREDUCE-7053 Timed out tasks can fail to produce thread dump Major . Jason Lowe Jason Lowe
HADOOP-15206 BZip2 drops and duplicates records when input split size is small Major . Aki Tanaka Aki Tanaka
YARN-7947 Capacity Scheduler intra-queue preemption can NPE for non-schedulable apps Major capacity scheduler, scheduler preemption Eric Payne Eric Payne
YARN-7945 Java Doc error in UnmanagedAMPoolManager for branch-2 Major . Rohith Sharma K S Botong Huang
HADOOP-14903 Add json-smart explicitly to pom.xml Major common Ray Chiang Ray Chiang
HDFS-12781 After Datanode down, In Namenode UI Datanode tab is throwing warning message. Major datanode Harshakiran Reddy Brahma Reddy Battula
HDFS-12070 Failed block recovery leaves files open indefinitely and at risk for data loss Major . Daryn Sharp Kihwal Lee
HADOOP-15251 Backport HADOOP-13514 (surefire upgrade) to branch-2 Major test Chris Douglas Chris Douglas
HADOOP-15275 Incorrect javadoc for return type of RetryPolicy#shouldRetry Minor documentation Nanda kumar Nanda kumar
YARN-7511 NPE in ContainerLocalizer when localization failed for running container Major nodemanager Tao Yang Tao Yang
MAPREDUCE-7023 TestHadoopArchiveLogs.testCheckFilesAndSeedApps fails on rerun Minor test Gergely Novák Gergely Novák
HADOOP-15283 Upgrade from findbugs 3.0.1 to spotbugs 3.1.2 in branch-2 to fix docker image build Major . Xiao Chen Akira Ajisaka
YARN-7736 Fix itemization in YARN federation document Minor documentation Akira Ajisaka Sen Zhao
HDFS-13164 File not closed if streamer fail with DSQuotaExceededException Major hdfs-client Xiao Chen Xiao Chen
HDFS-13109 Support fully qualified hdfs path in EZ commands Major hdfs Hanisha Koneru Hanisha Koneru
MAPREDUCE-6930 mapreduce.map.cpu.vcores and mapreduce.reduce.cpu.vcores are both present twice in mapred-default.xml Major mrv2 Daniel Templeton Sen Zhao
HDFS-12156 TestFSImage fails without -Pnative Major test Akira Ajisaka Akira Ajisaka
HADOOP-15308 TestConfiguration fails on Windows because of paths Major . Íñigo Goiri Xiao Liang
YARN-7636 Re-reservation count may overflow when cluster resource exhausted for a long time Major capacityscheduler Tao Yang Tao Yang
HDFS-12886 Ignore minReplication for block recovery Major hdfs, namenode Lukas Majercak Lukas Majercak
HDFS-13296 GenericTestUtils generates paths with drive letter in Windows and fail webhdfs related test cases Major . Xiao Liang Xiao Liang
HDFS-13268 TestWebHdfsFileContextMainOperations fails on Windows Major . Íñigo Goiri Xiao Liang
YARN-8054 Improve robustness of the LocalDirsHandlerService MonitoringTimerTask thread Major . Jonathan Eagles Jonathan Eagles
YARN-7873 Revert YARN-6078 Blocker . Billie Rinaldi Billie Rinaldi
HDFS-13195 DataNode conf page cannot display the current value after reconfig Minor datanode maobaolong maobaolong
HADOOP-15320 Remove customized getFileBlockLocations for hadoop-azure and hadoop-azure-datalake Major fs/adl, fs/azure shanyu zhao shanyu zhao
HADOOP-12862 LDAP Group Mapping over SSL can not specify trust store Major . Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-13427 Fix the section titles of transparent encryption document Minor documentation Akira Ajisaka Akira Ajisaka


JIRA Summary Priority Component Reporter Contributor
HADOOP-14696 parallel tests don’t work for Windows Minor test Allen Wittenauer Allen Wittenauer


JIRA Summary Priority Component Reporter Contributor
HADOOP-13481 User end documents for Aliyun OSS FileSystem Minor fs, fs/oss Genmao Yu Genmao Yu
HADOOP-13591 Unit test failure in TestOSSContractGetFileStatus and TestOSSContractRootDir Major fs, fs/oss Genmao Yu Genmao Yu
HADOOP-13624 Rename TestAliyunOSSContractDispCp Major fs, fs/oss Kai Zheng Genmao Yu
HADOOP-14065 AliyunOSS: oss directory filestatus should use meta time Major fs/oss Fei Hui Fei Hui
HADOOP-13768 AliyunOSS: handle the failure in the batch delete operation deleteDirs. Major fs Genmao Yu Genmao Yu
HADOOP-14069 AliyunOSS: listStatus returns wrong file info Major fs/oss Fei Hui Fei Hui
HADOOP-13769 AliyunOSS: update oss sdk version Major fs, fs/oss Genmao Yu Genmao Yu
HADOOP-14072 AliyunOSS: Failed to read from stream when seek beyond the download size Major fs/oss Genmao Yu Genmao Yu
HADOOP-14192 Aliyun OSS FileSystem contract test should implement getTestBaseDir() Major fs/oss Mingliang Liu Mingliang Liu
HADOOP-14194 Aliyun OSS should not use empty endpoint as default Major fs/oss Mingliang Liu Genmao Yu
HADOOP-14787 AliyunOSS: Implement the createNonRecursive operator Major fs, fs/oss Genmao Yu Genmao Yu
HADOOP-14649 Update aliyun-sdk-oss version to 2.8.1 Major fs/oss Ray Chiang Genmao Yu
HADOOP-14799 Update nimbus-jose-jwt to 4.41.1 Major . Ray Chiang Ray Chiang
HADOOP-14997 Add hadoop-aliyun as dependency of hadoop-cloud-storage Minor fs/oss Genmao Yu Genmao Yu
HDFS-12801 RBF: Set MountTableResolver as default file resolver Minor . Íñigo Goiri Íñigo Goiri
YARN-7430 Enable user re-mapping for Docker containers by default Blocker security, yarn Eric Yang Eric Yang
YARN-6128 Add support for AMRMProxy HA Major amrmproxy, nodemanager Subru Krishnan Botong Huang
HADOOP-15024 AliyunOSS: support user agent configuration and include that & Hadoop version information to oss server Major fs, fs/oss SammiChen SammiChen
HDFS-12858 RBF: Add router admin commands usage in HDFS commands reference doc Minor documentation Yiqun Lin Yiqun Lin
HDFS-12835 RBF: Fix Javadoc parameter errors Minor . Wei Yan Wei Yan
YARN-7587 Skip dispatching opportunistic containers to nodes whose queue is already full Major . Weiwei Yang Weiwei Yang
HDFS-12396 Webhdfs file system should get delegation token from kms provider. Major encryption, kms, webhdfs Rushabh S Shah Rushabh S Shah
YARN-6704 Add support for work preserving NM restart when FederationInterceptor is enabled in AMRMProxyService Major . Botong Huang Botong Huang
HDFS-12875 RBF: Complete logic for -readonly option of dfsrouteradmin add command Major . Yiqun Lin Íñigo Goiri
YARN-7630 Fix AMRMToken rollover handling in AMRMProxy Minor . Botong Huang Botong Huang
HDFS-12937 RBF: Add more unit tests for router admin commands Major test Yiqun Lin Yiqun Lin
HDFS-12988 RBF: Mount table entries not properly updated in the local cache Major . Íñigo Goiri Íñigo Goiri
HADOOP-15156 backport HADOOP-15086 rename fix to branch-2 Major fs/azure Thomas Marquardt Thomas Marquardt
YARN-7716 metricsTimeStart and metricsTimeEnd should be all lower case in the doc Major timelinereader Haibo Chen Haibo Chen
HDFS-12802 RBF: Control MountTableResolver cache size Major . Íñigo Goiri Íñigo Goiri
HADOOP-15027 AliyunOSS: Support multi-thread pre-read to improve sequential read from Hadoop to Aliyun OSS performance Major fs/oss wujinhu wujinhu
HDFS-13028 RBF: Fix spurious TestRouterRpc#testProxyGetStats Minor . Íñigo Goiri Íñigo Goiri
YARN-5094 some YARN container events have timestamp of -1 Critical . Sangjin Lee Haibo Chen
YARN-7782 Enable user re-mapping for Docker containers in yarn-default.xml Blocker security, yarn Eric Yang Eric Yang
HDFS-12772 RBF: Federation Router State State Store internal API Major . Íñigo Goiri Íñigo Goiri
HDFS-13042 RBF: Heartbeat Router State Major . Íñigo Goiri Íñigo Goiri
HDFS-13049 RBF: Inconsistent Router OPTS config in branch-2 and branch-3 Minor . Wei Yan Wei Yan
HDFS-12574 Add CryptoInputStream to WebHdfsFileSystem read call. Major encryption, kms, webhdfs Rushabh S Shah Rushabh S Shah
HDFS-13044 RBF: Add a safe mode for the Router Major . Íñigo Goiri Íñigo Goiri
HDFS-13043 RBF: Expose the state of the Routers in the federation Major . Íñigo Goiri Íñigo Goiri
HDFS-13068 RBF: Add router admin option to manage safe mode Major . Íñigo Goiri Yiqun Lin
HDFS-13119 RBF: Manage unavailable clusters Major . Íñigo Goiri Yiqun Lin
HDFS-13187 RBF: Fix Routers information shown in the web UI Minor . Wei Yan Wei Yan
HDFS-13184 RBF: Improve the unit test TestRouterRPCClientRetries Minor test Yiqun Lin Yiqun Lin
HDFS-13199 RBF: Fix the hdfs router page missing label icon issue Major federation, hdfs maobaolong maobaolong
HDFS-13214 RBF: Complete document of Router configuration Major . Tao Jie Yiqun Lin
HDFS-13230 RBF: ConnectionManager’s cleanup task will compare each pool’s own active conns with its total conns Minor . Wei Yan Chao Sun
HDFS-13233 RBF: MountTableResolver doesn’t return the correct mount point of the given path Major hdfs wangzhiyuan wangzhiyuan
HDFS-13212 RBF: Fix router location cache issue Major federation, hdfs Weiwei Wu Weiwei Wu
HDFS-13232 RBF: ConnectionPool should return first usable connection Minor . Wei Yan Ekanth S
HDFS-13240 RBF: Update some inaccurate document descriptions Minor . Yiqun Lin Yiqun Lin
HDFS-11399 Many tests fails in Windows due to injecting disk failures Major . Yiqun Lin Yiqun Lin
HDFS-13241 RBF: TestRouterSafemode failed if the port 8888 is in use Major hdfs, test maobaolong maobaolong
HDFS-13253 RBF: Quota management incorrect parent-child relationship judgement Major . Yiqun Lin Yiqun Lin
HDFS-13226 RBF: Throw the exception if mount table entry validated failed Major hdfs maobaolong maobaolong
HDFS-12773 RBF: Improve State Store FS implementation Major . Íñigo Goiri Íñigo Goiri
HDFS-13198 RBF: RouterHeartbeatService throws out CachedStateStore related exceptions when starting router Minor . Wei Yan Wei Yan
HDFS-13224 RBF: Resolvers to support mount points across multiple subclusters Major . Íñigo Goiri Íñigo Goiri
HADOOP-15262 AliyunOSS: move files under a directory in parallel when rename a directory Major fs/oss wujinhu wujinhu
HDFS-13215 RBF: Move Router to its own module Major . Íñigo Goiri Wei Yan
HDFS-13250 RBF: Router to manage requests across multiple subclusters Major . Íñigo Goiri Íñigo Goiri
HDFS-13318 RBF: Fix FindBugs in hadoop-hdfs-rbf Minor . Íñigo Goiri Ekanth S
HDFS-12792 RBF: Test Router-based federation using HDFSContract Major . Íñigo Goiri Íñigo Goiri
HDFS-12512 RBF: Add WebHDFS Major fs Íñigo Goiri Wei Yan
HDFS-13291 RBF: Implement available space based OrderResolver Major . Yiqun Lin Yiqun Lin
HDFS-13204 RBF: Optimize name service safe mode icon Minor . liuhongtong liuhongtong
HDFS-13352 RBF: Add xsl stylesheet for hdfs-rbf-default.xml Major documentation Takanobu Asanuma Takanobu Asanuma
YARN-8010 Add config in FederationRMFailoverProxy to not bypass facade cache when failing over Minor . Botong Huang Botong Huang
HDFS-13347 RBF: Cache datanode reports Minor . Íñigo Goiri Íñigo Goiri
HDFS-13289 RBF: TestConnectionManager#testCleanup() test case need correction Minor . Dibyendu Karmakar Dibyendu Karmakar
HDFS-13364 RBF: Support NamenodeProtocol in the Router Major . Íñigo Goiri Íñigo Goiri
HADOOP-14651 Update okhttp version to 2.7.5 Major fs/adl Ray Chiang Ray Chiang
HADOOP-14999 AliyunOSS: provide one asynchronous multi-part based uploading mechanism Major fs/oss Genmao Yu Genmao Yu


JIRA Summary Priority Component Reporter Contributor
HADOOP-15149 CryptoOutputStream should implement StreamCapabilities Major fs Mike Drob Xiao Chen
YARN-7691 Add Unit Tests for ContainersLauncher Major . Sampada Dehankar Sampada Dehankar
HADOOP-15177 Update the release year to 2018 Blocker build Akira Ajisaka Bharat Viswanadham