Project: Apache Hadoop (App Definition and Development / Database)
File: CHANGELOG.2.7.6.md

<! --> | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | Add posixGroups support for LDAP groups mapping service | Major | . | Kai Zheng | Dapeng Sun | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | Make GenericTestUtils.assertExceptionContains robust | Minor | test | Steve Loughran | Steve Loughran | | | Update core-default.xml to describe posixGroups support | Minor | documentation | Wei-Chiu Chuang | Wei-Chiu Chuang | | | Support timeouts in LDAP queries in LdapGroupsMapping. | Major | security | Chris Nauroth | Mingliang Liu | | | Reload cached groups in background after expiry | Major | . | Stephen O'Donnell | Stephen O'Donnell | | | Expose "XmitsInProgress" through DataNodeMXBean | Major | . | Brahma Reddy Battula | Brahma Reddy Battula | | | Authentication Tokens should use SecureRandom instead of Random and 256 bit secrets | Major | security | Robert Kanter | Robert Kanter | | | Improve container-executor validation check | Major | security, yarn | Eric Yang | Eric Yang | | | Add independent secret manager method for logging expired tokens | Major | security | Daryn Sharp | Daryn Sharp | | | Uber AM can crash due to unknown task in statusUpdate | Major | mr-am | Peter Bacsko | Peter Bacsko | | | Optimize disk access for last partial chunk checksum of Finalized replica | Major | datanode | Wei-Chiu Chuang | Gabor Bota | | | increase maven heap size recommendations | Minor | build, documentation, test | Allen Wittenauer | Allen Wittenauer | | | BlockUnderConstructionFeature.truncateBlock should be of type BlockInfo | Major | namenode | Konstantin Shvachko | chencan | | | Backport HADOOP-12185 to branch-2.7: NetworkTopology is not efficient adding/getting/removing nodes | Major | . | He Xiaoqiao | He Xiaoqiao | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | NPE from RMNodeLabelsManager.serviceStop when NodeLabelsManager.serviceInit failed | Minor | resourcemanager | Bibin A Chundatt | Bibin A Chundatt | | | Limiting LDAP search conflicts with posixGroup addition | Blocker | security | Patrick White | Patrick White | | | NPE on RMActiveServices#serviceStop when store is null | Minor | . | Bibin A Chundatt | Bibin A Chundatt | | | Fix intermittent test failure of TestZKSignerSecretProvider | Minor | . | Masatake Iwasaki | Masatake Iwasaki | | | WebHdfs logging is missing on Datanode | Critical | . | Kihwal Lee | Kihwal Lee | | | Throw helpful exception when DNS entry for JournalNode cannot be resolved | Trivial | ha, journal-node, namenode | Damien Hardy | John Zhuge | | | o.a.h.security.TestGroupsCaching.testBackgroundRefreshCounters seems flaky | Major | security, test | Mingliang Liu | Weiwei Yang | | | TestZKSignerSecretProvider#testMultipleInit occasionally fail | Major | . | Wei-Chiu Chuang | Eric Badger | | | FsPermission string constructor does not recognize sticky bit | Major |

| Atul Sikaria | Atul Sikaria | | | Race Between update pipeline and DN Re-Registration | Critical | . | Brahma Reddy Battula | Brahma Reddy Battula | | | "BlockVerificationFailures" and "BlocksVerified" show up as 0 in Datanode JMX | Major | metrics | Sai Nukavarapu | Hanisha Koneru | | | AM lacks flow control for task events | Major | mr-am | Jason Lowe | Peter Bacsko | | | Output streams closed with IOUtils suppressing write errors | Major | . | Jason Lowe | Ajay Kumar | | | NodeManager metrics return wrong value after update node resource | Major | . | Yang Wang | Yang Wang | | | TestBalancerRPCDelay#testBalancerRPCDelay fails very frequently | Critical | test | Xiao Chen | Bharat Viswanadham | | | Backport YARN-3425 to branch 2.7 | Major | . | igo Goiri | igo Goiri | | | NPE due to Invalid KerberosTicket in UGI | Major | . | Jitendra Nath Pandey | Mukul Kumar Singh | | | Concurrent task progress updates causing NPE in Application Master | Blocker | mr-am | Gergo Repas | Gergo Repas | | | While using kerberos Hadoop incorrectly assumes names with '@' to be non-simple | Critical | security | Bolke de Bruin | Bolke de Bruin | | | Task timeout in uber mode can crash AM | Major | mr-am | Akira Ajisaka | Peter Bacsko | | | Backport [HDFS-7959] to branch-2.7 to re-enable HTTP request logging for WebHDFS | Major | datanode, webhdfs | Erik Krogen | Erik Krogen | | | Snapshot diff could be corrupted after concat | Major | namenode, snapshots | Xiaoyu Yao | Xiaoyu Yao | | | 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 | | | TestFixedLengthInputFormat#testFormatCompressedIn is flaky | Major | client, test | Peter Bacsko | Peter Bacsko | | | Token expiration edits may cause log corruption or deadlock | Critical | namenode | Daryn Sharp | Daryn Sharp | | | BZip2 drops and duplicates records when input split size is small | Major | . | Aki Tanaka | Aki Tanaka | | | Upgrade from findbugs 3.0.1 to spotbugs 3.1.2 in branch-2 to fix docker image build | Major | . | Xiao Chen | Akira Ajisaka | | | DataNode conf page cannot display the current value after reconfig | Minor | datanode | maobaolong | maobaolong | | | LDAP Group Mapping over SSL can not specify trust store | Major | . | Wei-Chiu Chuang | Wei-Chiu Chuang | | | Fix CapacityScheduler NPE issue when a container preempted while the node is being removed | Blocker | . | Wangda Tan | Wangda Tan | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | Backport YARN-4167 to branch 2.7 | Major | . | igo Goiri | igo Goiri | | | Update the release year to 2018 | Blocker | build | Akira Ajisaka | Bharat Viswanadham |