http://git-wip-us.apache.org/repos/asf/hadoop/blob/b34b3ff9/hadoop-common-project/hadoop-common/src/site/markdown/release/3.0.0-beta1/CHANGES.3.0.0-beta1.md ---------------------------------------------------------------------- diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/3.0.0-beta1/CHANGES.3.0.0-beta1.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/3.0.0-beta1/CHANGES.3.0.0-beta1.md new file mode 100644 index 0000000..3ddf2ee --- /dev/null +++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/3.0.0-beta1/CHANGES.3.0.0-beta1.md @@ -0,0 +1,646 @@ + +<!--- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +--> +# Apache Hadoop Changelog + +## Release 3.0.0-beta1 - 2017-09-28 + +### INCOMPATIBLE CHANGES: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [HADOOP-14539](https://issues.apache.org/jira/browse/HADOOP-14539) | Move commons logging APIs over to slf4j in hadoop-common | Major | . | Akira Ajisaka | Wenxin He | +| [HDFS-12206](https://issues.apache.org/jira/browse/HDFS-12206) | Rename the split EC / replicated block metrics | Major | metrics | Andrew Wang | Andrew Wang | +| [HADOOP-13595](https://issues.apache.org/jira/browse/HADOOP-13595) | Rework hadoop\_usage to be broken up by clients/daemons/etc. | Blocker | scripts | Allen Wittenauer | Allen Wittenauer | +| [HDFS-6984](https://issues.apache.org/jira/browse/HDFS-6984) | Serialize FileStatus via protobuf | Major | . | Colin P. McCabe | Chris Douglas | +| [YARN-6961](https://issues.apache.org/jira/browse/YARN-6961) | Remove commons-logging dependency from hadoop-yarn-server-applicationhistoryservice module | Minor | build | Akira Ajisaka | Yeliang Cang | +| [HDFS-11957](https://issues.apache.org/jira/browse/HDFS-11957) | Enable POSIX ACL inheritance by default | Major | security | John Zhuge | John Zhuge | +| [MAPREDUCE-6870](https://issues.apache.org/jira/browse/MAPREDUCE-6870) | Add configuration for MR job to finish when all reducers are complete (even with unfinished mappers) | Major | . | Zhe Zhang | Peter Bacsko | +| [HADOOP-14260](https://issues.apache.org/jira/browse/HADOOP-14260) | Configuration.dumpConfiguration should redact sensitive information | Major | conf, security | Vihang Karajgaonkar | John Zhuge | +| [HADOOP-14726](https://issues.apache.org/jira/browse/HADOOP-14726) | Mark FileStatus::isDir as final | Minor | fs | Chris Douglas | Chris Douglas | +| [HDFS-12303](https://issues.apache.org/jira/browse/HDFS-12303) | Change default EC cell size to 1MB for better performance | Blocker | . | Wei Zhou | Wei Zhou | +| [HDFS-12258](https://issues.apache.org/jira/browse/HDFS-12258) | ec -listPolicies should list all policies in system, no matter it's enabled or disabled | Major | . | SammiChen | Wei Zhou | +| [MAPREDUCE-6892](https://issues.apache.org/jira/browse/MAPREDUCE-6892) | Issues with the count of failed/killed tasks in the jhist file | Major | client, jobhistoryserver | Peter Bacsko | Peter Bacsko | +| [HADOOP-14414](https://issues.apache.org/jira/browse/HADOOP-14414) | Calling maven-site-plugin directly for docs profile is unnecessary | Minor | . | Andras Bokor | Andras Bokor | +| [HDFS-12218](https://issues.apache.org/jira/browse/HDFS-12218) | Rename split EC / replicated block metrics in BlockManager | Blocker | erasure-coding, metrics | Andrew Wang | Andrew Wang | +| [HADOOP-14847](https://issues.apache.org/jira/browse/HADOOP-14847) | Remove Guava Supplier and change to java Supplier in AMRMClient and AMRMClientAysnc | Blocker | . | Bharat Viswanadham | Bharat Viswanadham | +| [HDFS-12414](https://issues.apache.org/jira/browse/HDFS-12414) | Ensure to use CLI command to enable/disable erasure coding policy | Major | . | SammiChen | SammiChen | +| [HDFS-12438](https://issues.apache.org/jira/browse/HDFS-12438) | Rename dfs.datanode.ec.reconstruction.stripedblock.threads.size to dfs.datanode.ec.reconstruction.threads | Major | . | Andrew Wang | Andrew Wang | +| [HADOOP-14738](https://issues.apache.org/jira/browse/HADOOP-14738) | Remove S3N and obsolete bits of S3A; rework docs | Blocker | fs/s3 | Steve Loughran | Steve Loughran | +| [HDFS-7859](https://issues.apache.org/jira/browse/HDFS-7859) | Erasure Coding: Persist erasure coding policies in NameNode | Major | . | Kai Zheng | SammiChen | +| [HDFS-12395](https://issues.apache.org/jira/browse/HDFS-12395) | Support erasure coding policy operations in namenode edit log | Major | erasure-coding | SammiChen | SammiChen | +| [HADOOP-14670](https://issues.apache.org/jira/browse/HADOOP-14670) | Increase minimum cmake version for all platforms | Major | build | Allen Wittenauer | Allen Wittenauer | +| [HDFS-12447](https://issues.apache.org/jira/browse/HDFS-12447) | Rename AddECPolicyResponse to AddErasureCodingPolicyResponse | Major | . | SammiChen | SammiChen | +| [HDFS-7337](https://issues.apache.org/jira/browse/HDFS-7337) | Configurable and pluggable erasure codec and policy | Critical | erasure-coding | Zhe Zhang | SammiChen | + + +### IMPORTANT ISSUES: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [YARN-6959](https://issues.apache.org/jira/browse/YARN-6959) | RM may allocate wrong AM Container for new attempt | Major | capacity scheduler, fairscheduler, scheduler | Yuqi Wang | Yuqi Wang | + + +### NEW FEATURES: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [YARN-4161](https://issues.apache.org/jira/browse/YARN-4161) | Capacity Scheduler : Assign single or multiple containers per heart beat driven by configuration | Major | capacity scheduler | Mayank Bansal | Wei Yan | +| [HADOOP-14560](https://issues.apache.org/jira/browse/HADOOP-14560) | Make HttpServer2 backlog size configurable | Major | common | Alexander Krasheninnikov | Alexander Krasheninnikov | +| [HDFS-10899](https://issues.apache.org/jira/browse/HDFS-10899) | Add functionality to re-encrypt EDEKs | Major | encryption, kms | Xiao Chen | Xiao Chen | +| [YARN-5355](https://issues.apache.org/jira/browse/YARN-5355) | YARN Timeline Service v.2: alpha 2 | Critical | timelineserver | Sangjin Lee | Vrushali C | +| [HADOOP-13345](https://issues.apache.org/jira/browse/HADOOP-13345) | S3Guard: Improved Consistency for S3A | Major | fs/s3 | Chris Nauroth | Chris Nauroth | +| [HADOOP-12077](https://issues.apache.org/jira/browse/HADOOP-12077) | Provide a multi-URI replication Inode for ViewFs | Major | fs | Gera Shegalov | Gera Shegalov | +| [HDFS-7877](https://issues.apache.org/jira/browse/HDFS-7877) | Support maintenance state for datanodes | Major | datanode, namenode | Ming Ma | Ming Ma | +| [YARN-2915](https://issues.apache.org/jira/browse/YARN-2915) | Enable YARN RM scale out via federation using multiple RM's | Major | nodemanager, resourcemanager | Sriram Rao | Subru Krishnan | + + +### IMPROVEMENTS: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [HDFS-12042](https://issues.apache.org/jira/browse/HDFS-12042) | Lazy initialize AbstractINodeDiffList#diffs for snapshots to reduce memory consumption | Major | . | Misha Dmitriev | Misha Dmitriev | +| [HDFS-12078](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/YARN-6752) | Display reserved resources in web UI per application | Major | fairscheduler | Abdullah Yousufi | Abdullah Yousufi | +| [YARN-6746](https://issues.apache.org/jira/browse/YARN-6746) | SchedulerUtils.checkResourceRequestMatchingNodePartition() is dead code | Minor | scheduler | Daniel Templeton | Deepti Sawhney | +| [YARN-6410](https://issues.apache.org/jira/browse/YARN-6410) | FSContext.scheduler should be final | Minor | fairscheduler | Daniel Templeton | Yeliang Cang | +| [YARN-6764](https://issues.apache.org/jira/browse/YARN-6764) | Simplify the logic in FairScheduler#attemptScheduling | Trivial | fairscheduler | Yufei Gu | Yufei Gu | +| [HADOOP-14443](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/HADOOP-14535) | wasb: implement high-performance random access and seek of block blobs | Major | fs/azure | Thomas Marquardt | Thomas Marquardt | +| [HADOOP-14629](https://issues.apache.org/jira/browse/HADOOP-14629) | Improve exception checking in FileContext related JUnit tests | Major | fs, test | Andras Bokor | Andras Bokor | +| [YARN-6689](https://issues.apache.org/jira/browse/YARN-6689) | PlacementRule should be configurable | Major | . | Jonathan Hung | Jonathan Hung | +| [HDFS-12130](https://issues.apache.org/jira/browse/HDFS-12130) | Optimizing permission check for getContentSummary | Major | namenode | Chen Liang | Chen Liang | +| [HDFS-12137](https://issues.apache.org/jira/browse/HDFS-12137) | DN dataset lock should be fair | Critical | datanode | Daryn Sharp | Daryn Sharp | +| [HDFS-11786](https://issues.apache.org/jira/browse/HDFS-11786) | Add support to make copyFromLocal multi threaded | Major | hdfs | Mukul Kumar Singh | Mukul Kumar Singh | +| [HDFS-12138](https://issues.apache.org/jira/browse/HDFS-12138) | Remove redundant 'public' modifiers from BlockCollection | Trivial | namenode | Chen Liang | Chen Liang | +| [HADOOP-14640](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/YARN-6778) | In ResourceWeights, weights and setWeights() should be final | Minor | scheduler | Daniel Templeton | Daniel Templeton | +| [HDFS-12067](https://issues.apache.org/jira/browse/HDFS-12067) | Correct dfsadmin commands usage message to reflects IPC port | Major | . | steven-wugang | steven-wugang | +| [HADOOP-14666](https://issues.apache.org/jira/browse/HADOOP-14666) | Tests use assertTrue(....equals(...)) instead of assertEquals() | Minor | test | Daniel Templeton | Daniel Templeton | +| [HADOOP-14659](https://issues.apache.org/jira/browse/HADOOP-14659) | UGI getShortUserName does not need to search the Subject | Major | common | Daryn Sharp | Daryn Sharp | +| [HADOOP-14557](https://issues.apache.org/jira/browse/HADOOP-14557) | Document HADOOP-8143 (Change distcp to have -pb on by default) | Trivial | . | Wei-Chiu Chuang | Bharat Viswanadham | +| [YARN-6768](https://issues.apache.org/jira/browse/YARN-6768) | Improve performance of yarn api record toString and fromString | Major | . | Jonathan Eagles | Jonathan Eagles | +| [YARN-6779](https://issues.apache.org/jira/browse/YARN-6779) | DominantResourceFairnessPolicy.DominantResourceFairnessComparator.calculateShares() should be @VisibleForTesting | Trivial | fairscheduler | Daniel Templeton | Yeliang Cang | +| [YARN-6845](https://issues.apache.org/jira/browse/YARN-6845) | Variable scheduler of FSLeafQueue duplicates the one of its parent FSQueue. | Trivial | fairscheduler | Yufei Gu | Yufei Gu | +| [HADOOP-14597](https://issues.apache.org/jira/browse/HADOOP-14597) | Native compilation broken with OpenSSL-1.1.0 because EVP\_CIPHER\_CTX has been made opaque | Major | . | Ravi Prakash | Ravi Prakash | +| [HDFS-12193](https://issues.apache.org/jira/browse/HDFS-12193) | Fix style issues in HttpFS tests | Trivial | httpfs | Zoran Dimitrijevic | Zoran Dimitrijevic | +| [HADOOP-14681](https://issues.apache.org/jira/browse/HADOOP-14681) | Remove MockitoMaker class | Major | test | Andras Bokor | Andras Bokor | +| [HDFS-12143](https://issues.apache.org/jira/browse/HDFS-12143) | Improve performance of getting and removing inode features | Major | namenode | Daryn Sharp | Daryn Sharp | +| [HDFS-12171](https://issues.apache.org/jira/browse/HDFS-12171) | Reduce IIP object allocations for inode lookup | Major | namenode | Daryn Sharp | Daryn Sharp | +| [HDFS-12190](https://issues.apache.org/jira/browse/HDFS-12190) | Enable 'hdfs dfs -stat' to display access time | Major | hdfs, shell | Yongjun Zhang | Yongjun Zhang | +| [YARN-6864](https://issues.apache.org/jira/browse/YARN-6864) | FSPreemptionThread cleanup for readability | Minor | fairscheduler | Daniel Templeton | Daniel Templeton | +| [HADOOP-14455](https://issues.apache.org/jira/browse/HADOOP-14455) | ViewFileSystem#rename should support be supported within same nameservice with different mountpoints | Major | viewfs | Brahma Reddy Battula | Brahma Reddy Battula | +| [HADOOP-14690](https://issues.apache.org/jira/browse/HADOOP-14690) | RetryInvocationHandler$RetryInfo should override toString() | Minor | . | Akira Ajisaka | Yeliang Cang | +| [HADOOP-14709](https://issues.apache.org/jira/browse/HADOOP-14709) | Fix checkstyle warnings in ContractTestUtils | Minor | test | Steve Loughran | Thomas Marquardt | +| [MAPREDUCE-6914](https://issues.apache.org/jira/browse/MAPREDUCE-6914) | Tests use assertTrue(....equals(...)) instead of assertEquals() | Minor | test | Daniel Templeton | Daniel Templeton | +| [YARN-6832](https://issues.apache.org/jira/browse/YARN-6832) | Tests use assertTrue(....equals(...)) instead of assertEquals() | Minor | test | Daniel Templeton | Daniel Templeton | +| [HADOOP-14706](https://issues.apache.org/jira/browse/HADOOP-14706) | Adding a helper method to determine whether a log is Log4j implement | Minor | util | Wenxin He | Wenxin He | +| [HADOOP-14471](https://issues.apache.org/jira/browse/HADOOP-14471) | Upgrade Jetty to latest 9.3 version | Major | . | John Zhuge | John Zhuge | +| [HDFS-12251](https://issues.apache.org/jira/browse/HDFS-12251) | Add document for StreamCapabilities | Major | . | Lei (Eddy) Xu | Lei (Eddy) Xu | +| [HDFS-12224](https://issues.apache.org/jira/browse/HDFS-12224) | Add tests to TestJournalNodeSync for sync after JN downtime | Major | hdfs | Hanisha Koneru | Hanisha Koneru | +| [YARN-6802](https://issues.apache.org/jira/browse/YARN-6802) | Add Max AM Resource and AM Resource Usage to Leaf Queue View in FairScheduler WebUI | Major | fairscheduler | YunFan Zhou | YunFan Zhou | +| [HDFS-12036](https://issues.apache.org/jira/browse/HDFS-12036) | Add audit log for some erasure coding operations | Major | namenode | Wei-Chiu Chuang | Huafeng Wang | +| [HDFS-12264](https://issues.apache.org/jira/browse/HDFS-12264) | DataNode uses a deprecated method IoUtils#cleanup. | Major | . | Ajay Kumar | Ajay Kumar | +| [YARN-6811](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/YARN-6879) | TestLeafQueue.testDRFUserLimits() has commented out code | Trivial | capacity scheduler, test | Daniel Templeton | Angela Wang | +| [MAPREDUCE-6923](https://issues.apache.org/jira/browse/MAPREDUCE-6923) | Optimize MapReduce Shuffle I/O for small partitions | Major | . | Robert Schmidtke | Robert Schmidtke | +| [HDFS-12287](https://issues.apache.org/jira/browse/HDFS-12287) | Remove a no-longer applicable TODO comment in DatanodeManager | Trivial | namenode | Chen Liang | Chen Liang | +| [YARN-6952](https://issues.apache.org/jira/browse/YARN-6952) | Enable scheduling monitor in FS | Major | fairscheduler, resourcemanager | Yufei Gu | Yufei Gu | +| [YARN-6884](https://issues.apache.org/jira/browse/YARN-6884) | AllocationFileLoaderService.loadQueue() has an if without braces | Trivial | fairscheduler | Daniel Templeton | weiyuan | +| [YARN-6882](https://issues.apache.org/jira/browse/YARN-6882) | AllocationFileLoaderService.reloadAllocations() should use the diamond operator | Trivial | fairscheduler | Daniel Templeton | Larry Lo | +| [HADOOP-14627](https://issues.apache.org/jira/browse/HADOOP-14627) | Support MSI and DeviceCode token provider in ADLS | Major | fs/adl | Atul Sikaria | Atul Sikaria | +| [HDFS-12221](https://issues.apache.org/jira/browse/HDFS-12221) | Replace xerces in XmlEditsVisitor | Major | . | Lei (Eddy) Xu | Ajay Kumar | +| [HADOOP-14741](https://issues.apache.org/jira/browse/HADOOP-14741) | Refactor curator based ZooKeeper communication into common library | Major | . | Subru Krishnan | Ãñigo Goiri | +| [HDFS-12162](https://issues.apache.org/jira/browse/HDFS-12162) | Update listStatus document to describe the behavior when the argument is a file | Major | hdfs, httpfs | Yongjun Zhang | Ajay Kumar | +| [YARN-6881](https://issues.apache.org/jira/browse/YARN-6881) | LOG is unused in AllocationConfiguration | Major | fairscheduler | Daniel Templeton | weiyuan | +| [YARN-6917](https://issues.apache.org/jira/browse/YARN-6917) | Queue path is recomputed from scratch on every allocation | Minor | capacityscheduler | Jason Lowe | Eric Payne | +| [HADOOP-14673](https://issues.apache.org/jira/browse/HADOOP-14673) | Remove leftover hadoop\_xml\_escape from functions | Major | scripts | Allen Wittenauer | Ajay Kumar | +| [HADOOP-14662](https://issues.apache.org/jira/browse/HADOOP-14662) | Update azure-storage sdk to version 5.4.0 | Major | fs/azure | Thomas Marquardt | Thomas Marquardt | +| [HDFS-12301](https://issues.apache.org/jira/browse/HDFS-12301) | NN File Browser UI: Navigate to a path when enter is pressed | Trivial | ui | Ravi Prakash | Ravi Prakash | +| [HDFS-12269](https://issues.apache.org/jira/browse/HDFS-12269) | Better to return a Map rather than HashMap in getErasureCodingCodecs | Minor | erasure-coding | Huafeng Wang | Huafeng Wang | +| [YARN-3254](https://issues.apache.org/jira/browse/YARN-3254) | HealthReport should include disk full information | Major | nodemanager | Akira Ajisaka | Suma Shivaprasad | +| [HDFS-12072](https://issues.apache.org/jira/browse/HDFS-12072) | Provide fairness between EC and non-EC recovery tasks. | Major | erasure-coding | Lei (Eddy) Xu | Lei (Eddy) Xu | +| [HDFS-12117](https://issues.apache.org/jira/browse/HDFS-12117) | HttpFS does not seem to support SNAPSHOT related methods for WebHDFS REST Interface | Major | httpfs | Wellington Chevreuil | Wellington Chevreuil | +| [HADOOP-14705](https://issues.apache.org/jira/browse/HADOOP-14705) | Add batched interface reencryptEncryptedKeys to KMS | Major | kms | Xiao Chen | Xiao Chen | +| [YARN-7053](https://issues.apache.org/jira/browse/YARN-7053) | Move curator transaction support to ZKCuratorManager | Major | . | Jonathan Hung | Jonathan Hung | +| [HADOOP-14251](https://issues.apache.org/jira/browse/HADOOP-14251) | Credential provider should handle property key deprecation | Critical | security | John Zhuge | John Zhuge | +| [YARN-7049](https://issues.apache.org/jira/browse/YARN-7049) | FSAppAttempt preemption related fields have confusing names | Major | fairscheduler | Karthik Kambatla | Karthik Kambatla | +| [HDFS-11986](https://issues.apache.org/jira/browse/HDFS-11986) | Dfsadmin should report erasure coding related information separately | Major | erasure-coding, hdfs | Manoj Govindassamy | Manoj Govindassamy | +| [YARN-6999](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/YARN-7037) | Optimize data transfer with zero-copy approach for containerlogs REST API in NMWebServices | Major | nodemanager | Tao Yang | Tao Yang | +| [HDFS-12356](https://issues.apache.org/jira/browse/HDFS-12356) | Unit test for JournalNode sync during Rolling Upgrade | Major | ha | Hanisha Koneru | Hanisha Koneru | +| [YARN-6780](https://issues.apache.org/jira/browse/YARN-6780) | ResourceWeights.toString() cleanup | Minor | scheduler | Daniel Templeton | weiyuan | +| [YARN-6721](https://issues.apache.org/jira/browse/YARN-6721) | container-executor should have stack checking | Critical | nodemanager, security | Allen Wittenauer | Allen Wittenauer | +| [HADOOP-14781](https://issues.apache.org/jira/browse/HADOOP-14781) | Clarify that HADOOP\_CONF\_DIR shouldn't actually be set in hadoop-env.sh | Major | documentation, scripts | Allen Wittenauer | Allen Wittenauer | +| [HDFS-12380](https://issues.apache.org/jira/browse/HDFS-12380) | Simplify dataQueue.wait condition logical operation in DataStreamer::run() | Major | hdfs-client | liaoyuxiangqin | liaoyuxiangqin | +| [HDFS-12300](https://issues.apache.org/jira/browse/HDFS-12300) | Audit-log delegation token related operations | Major | namenode | Xiao Chen | Xiao Chen | +| [YARN-7022](https://issues.apache.org/jira/browse/YARN-7022) | Improve click interaction in queue topology in new YARN UI | Major | yarn-ui-v2 | Abdullah Yousufi | Abdullah Yousufi | +| [HDFS-12182](https://issues.apache.org/jira/browse/HDFS-12182) | BlockManager.metaSave does not distinguish between "under replicated" and "missing" blocks | Trivial | hdfs | Wellington Chevreuil | Wellington Chevreuil | +| [HADOOP-14688](https://issues.apache.org/jira/browse/HADOOP-14688) | Intern strings in KeyVersion and EncryptedKeyVersion | Major | kms | Xiao Chen | Xiao Chen | +| [HDFS-12377](https://issues.apache.org/jira/browse/HDFS-12377) | Refactor TestReadStripedFileWithDecoding to avoid test timeouts | Major | erasure-coding | Andrew Wang | Andrew Wang | +| [HADOOP-14827](https://issues.apache.org/jira/browse/HADOOP-14827) | Allow StopWatch to accept a Timer parameter for tests | Minor | common, test | Erik Krogen | Erik Krogen | +| [HDFS-12131](https://issues.apache.org/jira/browse/HDFS-12131) | Add some of the FSNamesystem JMX values as metrics | Minor | hdfs, namenode | Erik Krogen | Erik Krogen | +| [HDFS-12402](https://issues.apache.org/jira/browse/HDFS-12402) | Refactor ErasureCodingPolicyManager and related codes | Major | erasure-coding | SammiChen | SammiChen | +| [YARN-6930](https://issues.apache.org/jira/browse/YARN-6930) | Admins should be able to explicitly enable specific LinuxContainerRuntime in the NodeManager | Major | nodemanager | Vinod Kumar Vavilapalli | Shane Kumpf | +| [HADOOP-14844](https://issues.apache.org/jira/browse/HADOOP-14844) | Remove requirement to specify TenantGuid for MSI Token Provider | Major | fs/adl | Atul Sikaria | Atul Sikaria | +| [YARN-6799](https://issues.apache.org/jira/browse/YARN-6799) | Remove the duplicated code in CGroupsHandlerImp.java | Trivial | nodemanager | Yufei Gu | weiyuan | +| [HADOOP-14520](https://issues.apache.org/jira/browse/HADOOP-14520) | WASB: Block compaction for Azure Block Blobs | Major | fs/azure | Georgi Chalakov | Georgi Chalakov | +| [HADOOP-14839](https://issues.apache.org/jira/browse/HADOOP-14839) | DistCp log output should contain copied and deleted files and directories | Major | tools/distcp | Konstantin Shaposhnikov | Yiqun Lin | +| [YARN-7132](https://issues.apache.org/jira/browse/YARN-7132) | FairScheduler.initScheduler() contains a surprising unary plus | Minor | fairscheduler | Daniel Templeton | Yeliang Cang | +| [HADOOP-14843](https://issues.apache.org/jira/browse/HADOOP-14843) | Improve FsPermission symbolic parsing unit test coverage | Minor | fs | Jason Lowe | Bharat Viswanadham | +| [YARN-7057](https://issues.apache.org/jira/browse/YARN-7057) | FSAppAttempt#getResourceUsage doesn't need to consider resources queued for preemption | Major | fairscheduler | Karthik Kambatla | Karthik Kambatla | +| [HDFS-12412](https://issues.apache.org/jira/browse/HDFS-12412) | Change ErasureCodingWorker.stripedReadPool to cached thread pool | Major | erasure-coding | Lei (Eddy) Xu | Lei (Eddy) Xu | +| [HADOOP-14804](https://issues.apache.org/jira/browse/HADOOP-14804) | correct wrong parameters format order in core-default.xml | Trivial | . | Chen Hongfei | Chen Hongfei | +| [HDFS-12409](https://issues.apache.org/jira/browse/HDFS-12409) | Add metrics of execution time of different stages in EC recovery task | Minor | erasure-coding | Lei (Eddy) Xu | Lei (Eddy) Xu | +| [HADOOP-14864](https://issues.apache.org/jira/browse/HADOOP-14864) | FSDataInputStream#unbuffer UOE should include stream class name | Minor | fs | John Zhuge | Bharat Viswanadham | +| [HADOOP-14869](https://issues.apache.org/jira/browse/HADOOP-14869) | Upgrade apache kerby verion to v1.0.1 | Major | . | Wei Zhou | Wei Zhou | +| [MAPREDUCE-6956](https://issues.apache.org/jira/browse/MAPREDUCE-6956) | FileOutputCommitter to gain abstract superclass PathOutputCommitter | Minor | mrv2 | Steve Loughran | Steve Loughran | +| [MAPREDUCE-6954](https://issues.apache.org/jira/browse/MAPREDUCE-6954) | Disable erasure coding for files that are uploaded to the MR staging area | Major | client | Peter Bacsko | Peter Bacsko | +| [HDFS-12349](https://issues.apache.org/jira/browse/HDFS-12349) | Improve log message when it could not alloc enough blocks for EC | Minor | erasure-coding | Lei (Eddy) Xu | Lei (Eddy) Xu | +| [HDFS-12441](https://issues.apache.org/jira/browse/HDFS-12441) | Suppress UnresolvedPathException in namenode log | Minor | . | Kihwal Lee | Kihwal Lee | +| [HADOOP-13714](https://issues.apache.org/jira/browse/HADOOP-13714) | Tighten up our compatibility guidelines for Hadoop 3 | Blocker | documentation | Karthik Kambatla | Daniel Templeton | +| [HDFS-12472](https://issues.apache.org/jira/browse/HDFS-12472) | Add JUNIT timeout to TestBlockStatsMXBean | Minor | . | Lei (Eddy) Xu | Bharat Viswanadham | +| [HDFS-12460](https://issues.apache.org/jira/browse/HDFS-12460) | Make addErasureCodingPolicy an idempotent operation | Major | erasure-coding | SammiChen | SammiChen | +| [HDFS-12479](https://issues.apache.org/jira/browse/HDFS-12479) | Some misuses of lock in DFSStripedOutputStream | Minor | erasure-coding | Huafeng Wang | Huafeng Wang | +| [MAPREDUCE-6958](https://issues.apache.org/jira/browse/MAPREDUCE-6958) | Shuffle audit logger should log size of shuffle transfer | Minor | . | Jason Lowe | Jason Lowe | +| [HDFS-12444](https://issues.apache.org/jira/browse/HDFS-12444) | Reduce runtime of TestWriteReadStripedFile | Major | erasure-coding, test | Andrew Wang | Huafeng Wang | +| [HDFS-12445](https://issues.apache.org/jira/browse/HDFS-12445) | Correct spellings of choosen to chosen. | Trivial | . | hu xiaodong | hu xiaodong | +| [HADOOP-7308](https://issues.apache.org/jira/browse/HADOOP-7308) | Remove unused TaskLogAppender configurations from log4j.properties | Major | conf | Todd Lipcon | Todd Lipcon | +| [HDFS-12496](https://issues.apache.org/jira/browse/HDFS-12496) | Make QuorumJournalManager timeout properties configurable | Major | . | Ajay Kumar | Ajay Kumar | +| [HDFS-12530](https://issues.apache.org/jira/browse/HDFS-12530) | Processor argument in Offline Image Viewer should be case insensitive | Minor | tools | Hanisha Koneru | Hanisha Koneru | +| [HDFS-12304](https://issues.apache.org/jira/browse/HDFS-12304) | Remove unused parameter from FsDatasetImpl#addVolume | Minor | . | Chen Liang | Chen Liang | +| [YARN-65](https://issues.apache.org/jira/browse/YARN-65) | Reduce RM app memory footprint once app has completed | Major | resourcemanager | Jason Lowe | Manikandan R | + + +### BUG FIXES: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [YARN-6093](https://issues.apache.org/jira/browse/YARN-6093) | Minor bugs with AMRMtoken renewal and state store availability when using FederationRMFailoverProxyProvider during RM failover | Minor | amrmproxy, federation | Botong Huang | Botong Huang | +| [YARN-6370](https://issues.apache.org/jira/browse/YARN-6370) | Properly handle rack requests for non-active subclusters in LocalityMulticastAMRMProxyPolicy | Minor | . | Botong Huang | Botong Huang | +| [HDFS-12043](https://issues.apache.org/jira/browse/HDFS-12043) | Add counters for block re-replication | Major | . | Chen Liang | Chen Liang | +| [YARN-6694](https://issues.apache.org/jira/browse/YARN-6694) | Add certain envs to the default yarn.nodemanager.env-whitelist | Major | . | Jian He | Jian He | +| [MAPREDUCE-6905](https://issues.apache.org/jira/browse/MAPREDUCE-6905) | Fix meaningless operations in TestDFSIO in some situation. | Major | tools/rumen | LiXin Ge | LiXin Ge | +| [HDFS-12079](https://issues.apache.org/jira/browse/HDFS-12079) | Description of dfs.block.invalidate.limit is incorrect in hdfs-default.xml | Minor | documentation | Weiwei Yang | Weiwei Yang | +| [HADOOP-13414](https://issues.apache.org/jira/browse/HADOOP-13414) | Hide Jetty Server version header in HTTP responses | Major | security | Vinayakumar B | Surendra Singh Lilhore | +| [HDFS-12089](https://issues.apache.org/jira/browse/HDFS-12089) | Fix ambiguous NN retry log message | Major | webhdfs | Eric Badger | Eric Badger | +| [HADOOP-14608](https://issues.apache.org/jira/browse/HADOOP-14608) | KMS JMX servlet path not backwards compatible | Minor | kms | John Zhuge | John Zhuge | +| [YARN-6708](https://issues.apache.org/jira/browse/YARN-6708) | Nodemanager container crash after ext3 folder limit | Critical | . | Bibin A Chundatt | Bibin A Chundatt | +| [HADOOP-14563](https://issues.apache.org/jira/browse/HADOOP-14563) | LoadBalancingKMSClientProvider#warmUpEncryptedKeys swallows IOException | Major | . | Rushabh S Shah | Rushabh S Shah | +| [MAPREDUCE-6246](https://issues.apache.org/jira/browse/MAPREDUCE-6246) | DBOutputFormat.java appending extra semicolon to query which is incompatible with DB2 | Major | mrv1, mrv2 | ramtin | Gergely Novák | +| [HADOOP-14634](https://issues.apache.org/jira/browse/HADOOP-14634) | Remove jline from main Hadoop pom.xml | Major | . | Ray Chiang | Ray Chiang | +| [YARN-6428](https://issues.apache.org/jira/browse/YARN-6428) | Queue AM limit is not honored in CS always | Major | . | Bibin A Chundatt | Bibin A Chundatt | +| [YARN-6770](https://issues.apache.org/jira/browse/YARN-6770) | [Docs] A small mistake in the example of TimelineClient | Trivial | docs | Jinjiang Ling | Jinjiang Ling | +| [HADOOP-10829](https://issues.apache.org/jira/browse/HADOOP-10829) | Iteration on CredentialProviderFactory.serviceLoader is thread-unsafe | Major | security | Benoy Antony | Benoy Antony | +| [HDFS-12085](https://issues.apache.org/jira/browse/HDFS-12085) | Reconfigure namenode heartbeat interval fails if the interval was set with time unit | Minor | hdfs, tools | Weiwei Yang | Weiwei Yang | +| [HDFS-12052](https://issues.apache.org/jira/browse/HDFS-12052) | Set SWEBHDFS delegation token kind when ssl is enabled in HttpFS | Major | httpfs, webhdfs | Zoran Dimitrijevic | Zoran Dimitrijevic | +| [HDFS-12114](https://issues.apache.org/jira/browse/HDFS-12114) | Consistent HttpFS property names | Major | httpfs | John Zhuge | John Zhuge | +| [HADOOP-14581](https://issues.apache.org/jira/browse/HADOOP-14581) | Restrict setOwner to list of user when security is enabled in wasb | Major | fs/azure | Varada Hemeswari | Varada Hemeswari | +| [YARN-6809](https://issues.apache.org/jira/browse/YARN-6809) | Fix typo in ResourceManagerHA.md | Trivial | documentation | Akira Ajisaka | Yeliang Cang | +| [YARN-6797](https://issues.apache.org/jira/browse/YARN-6797) | TimelineWriter does not fully consume the POST response | Major | timelineclient | Jason Lowe | Jason Lowe | +| [HDFS-11502](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/HADOOP-14646) | FileContextMainOperationsBaseTest#testListStatusFilterWithSomeMatches never runs | Minor | test | Andras Bokor | Andras Bokor | +| [YARN-6654](https://issues.apache.org/jira/browse/YARN-6654) | RollingLevelDBTimelineStore backwards incompatible after fst upgrade | Blocker | . | Jonathan Eagles | Jonathan Eagles | +| [YARN-6805](https://issues.apache.org/jira/browse/YARN-6805) | NPE in LinuxContainerExecutor due to null PrivilegedOperationException exit code | Major | nodemanager | Jason Lowe | Jason Lowe | +| [YARN-6792](https://issues.apache.org/jira/browse/YARN-6792) | Incorrect XML convertion in NodeIDsInfo and LabelsToNodesInfo | Blocker | resourcemanager | Giovanni Matteo Fumarola | Giovanni Matteo Fumarola | +| [YARN-6769](https://issues.apache.org/jira/browse/YARN-6769) | Make schedulables without demand less needy in FairSharePolicy#compare | Major | fairscheduler | YunFan Zhou | YunFan Zhou | +| [YARN-6759](https://issues.apache.org/jira/browse/YARN-6759) | Fix TestRMRestart.testRMRestartWaitForPreviousAMToFinish failure | Major | . | Naganarasimha G R | Naganarasimha G R | +| [YARN-3260](https://issues.apache.org/jira/browse/YARN-3260) | AM attempt fail to register before RM processes launch event | Critical | resourcemanager | Jason Lowe | Bibin A Chundatt | +| [HDFS-12140](https://issues.apache.org/jira/browse/HDFS-12140) | Remove BPOfferService lock contention to get block pool id | Critical | datanode | Daryn Sharp | Daryn Sharp | +| [YARN-6625](https://issues.apache.org/jira/browse/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 | +| [HDFS-12112](https://issues.apache.org/jira/browse/HDFS-12112) | TestBlockManager#testBlockManagerMachinesArray sometimes fails with NPE | Minor | . | Wei-Chiu Chuang | Wei-Chiu Chuang | +| [YARN-6714](https://issues.apache.org/jira/browse/YARN-6714) | IllegalStateException while handling APP\_ATTEMPT\_REMOVED event when async-scheduling enabled in CapacityScheduler | Major | . | Tao Yang | Tao Yang | +| [MAPREDUCE-6889](https://issues.apache.org/jira/browse/MAPREDUCE-6889) | Add Job#close API to shutdown MR client services. | Major | . | Rohith Sharma K S | Rohith Sharma K S | +| [MAPREDUCE-6910](https://issues.apache.org/jira/browse/MAPREDUCE-6910) | MapReduceTrackingUriPlugin can not return the right URI of history server with HTTPS | Major | jobhistoryserver | Lantao Jin | Lantao Jin | +| [HDFS-12154](https://issues.apache.org/jira/browse/HDFS-12154) | Incorrect javadoc description in StorageLocationChecker#check | Major | . | Nandakumar | Nandakumar | +| [YARN-6798](https://issues.apache.org/jira/browse/YARN-6798) | Fix NM startup failure with old state store due to version mismatch | Major | nodemanager | Ray Chiang | Botong Huang | +| [HADOOP-14637](https://issues.apache.org/jira/browse/HADOOP-14637) | GenericTestUtils.waitFor needs to check condition again after max wait time | Major | . | Daniel Templeton | Daniel Templeton | +| [YARN-6819](https://issues.apache.org/jira/browse/YARN-6819) | Application report fails if app rejected due to nodesize | Major | . | Bibin A Chundatt | Bibin A Chundatt | +| [HADOOP-14669](https://issues.apache.org/jira/browse/HADOOP-14669) | GenericTestUtils.waitFor should use monotonic time | Trivial | test | Jason Lowe | Daniel Templeton | +| [HDFS-12133](https://issues.apache.org/jira/browse/HDFS-12133) | Correct ContentSummaryComputationContext Logger class name. | Minor | namenode | Surendra Singh Lilhore | Surendra Singh Lilhore | +| [HDFS-12158](https://issues.apache.org/jira/browse/HDFS-12158) | Secondary Namenode's web interface lack configs for X-FRAME-OPTIONS protection | Major | namenode | Mukul Kumar Singh | Mukul Kumar Singh | +| [HDFS-12139](https://issues.apache.org/jira/browse/HDFS-12139) | HTTPFS liststatus returns incorrect pathSuffix for path of file | Major | httpfs | Yongjun Zhang | Yongjun Zhang | +| [YARN-6837](https://issues.apache.org/jira/browse/YARN-6837) | Null LocalResource visibility or resource type can crash the nodemanager | Major | . | Jinjiang Ling | Jinjiang Ling | +| [HDFS-11472](https://issues.apache.org/jira/browse/HDFS-11472) | Fix inconsistent replica size after a data pipeline failure | Critical | datanode | Wei-Chiu Chuang | Erik Krogen | +| [HDFS-12166](https://issues.apache.org/jira/browse/HDFS-12166) | Do not deprecate HTTPFS\_TEMP | Minor | httpfs | John Zhuge | John Zhuge | +| [HDFS-11742](https://issues.apache.org/jira/browse/HDFS-11742) | Improve balancer usability after HDFS-8818 | Blocker | . | Kihwal Lee | Kihwal Lee | +| [HDFS-12094](https://issues.apache.org/jira/browse/HDFS-12094) | Log torrent when none isa-l EC is used. | Minor | erasure-coding | LiXin Ge | LiXin Ge | +| [HDFS-12176](https://issues.apache.org/jira/browse/HDFS-12176) | dfsadmin shows DFS Used%: NaN% if the cluster has zero block. | Trivial | . | Wei-Chiu Chuang | Weiwei Yang | +| [YARN-6844](https://issues.apache.org/jira/browse/YARN-6844) | AMRMClientImpl.checkNodeLabelExpression() has wrong error message | Minor | . | Daniel Templeton | Manikandan R | +| [YARN-6150](https://issues.apache.org/jira/browse/YARN-6150) | TestContainerManagerSecurity tests for Yarn Server are flakey | Major | test | Daniel Sturman | Daniel Sturman | +| [YARN-6307](https://issues.apache.org/jira/browse/YARN-6307) | Refactor FairShareComparator#compare | Major | fairscheduler | Yufei Gu | Yufei Gu | +| [YARN-6102](https://issues.apache.org/jira/browse/YARN-6102) | RMActiveService context to be updated with new RMContext on failover | Critical | . | Ajith S | Rohith Sharma K S | +| [HADOOP-14578](https://issues.apache.org/jira/browse/HADOOP-14578) | Bind IPC connections to kerberos UPN host for proxy users | Major | ipc | Daryn Sharp | Daryn Sharp | +| [HDFS-11896](https://issues.apache.org/jira/browse/HDFS-11896) | Non-dfsUsed will be doubled on dead node re-registration | Blocker | . | Brahma Reddy Battula | Brahma Reddy Battula | +| [HADOOP-14692](https://issues.apache.org/jira/browse/HADOOP-14692) | Upgrade Apache Rat | Trivial | build | Allen Wittenauer | Allen Wittenauer | +| [HDFS-12062](https://issues.apache.org/jira/browse/HDFS-12062) | removeErasureCodingPolicy needs super user permission | Critical | erasure-coding | Wei-Chiu Chuang | Wei-Chiu Chuang | +| [HDFS-12044](https://issues.apache.org/jira/browse/HDFS-12044) | Mismatch between BlockManager#maxReplicationStreams and ErasureCodingWorker.stripedReconstructionPool pool size causes slow and bursty recovery | Major | erasure-coding | Lei (Eddy) Xu | Lei (Eddy) Xu | +| [HADOOP-14229](https://issues.apache.org/jira/browse/HADOOP-14229) | hadoop.security.auth\_to\_local example is incorrect in the documentation | Major | . | Andras Bokor | Andras Bokor | +| [YARN-6870](https://issues.apache.org/jira/browse/YARN-6870) | Fix floating point inaccuracies in resource availability check in AllocationBasedResourceUtilizationTracker | Major | api, nodemanager | Brook Zhou | Brook Zhou | +| [YARN-5728](https://issues.apache.org/jira/browse/YARN-5728) | TestMiniYarnClusterNodeUtilization.testUpdateNodeUtilization timeout | Major | test | Akira Ajisaka | Akira Ajisaka | +| [HADOOP-14677](https://issues.apache.org/jira/browse/HADOOP-14677) | mvn clean compile fails | Major | build | Andras Bokor | Andras Bokor | +| [HDFS-12082](https://issues.apache.org/jira/browse/HDFS-12082) | BlockInvalidateLimit value is incorrectly set after namenode heartbeat interval reconfigured | Major | hdfs, namenode | Weiwei Yang | Weiwei Yang | +| [MAPREDUCE-6924](https://issues.apache.org/jira/browse/MAPREDUCE-6924) | Revert MAPREDUCE-6199 MAPREDUCE-6286 and MAPREDUCE-5875 | Major | . | Andrew Wang | Junping Du | +| [HADOOP-14420](https://issues.apache.org/jira/browse/HADOOP-14420) | generateReports property is not applicable for maven-site-plugin:attach-descriptor goal | Minor | . | Andras Bokor | Andras Bokor | +| [HADOOP-14644](https://issues.apache.org/jira/browse/HADOOP-14644) | Increase max heap size of Maven javadoc plugin | Major | test | Andras Bokor | Andras Bokor | +| [HADOOP-14343](https://issues.apache.org/jira/browse/HADOOP-14343) | Wrong pid file name in error message when starting secure daemon | Minor | . | Andras Bokor | Andras Bokor | +| [MAPREDUCE-6921](https://issues.apache.org/jira/browse/MAPREDUCE-6921) | TestUmbilicalProtocolWithJobToken#testJobTokenRpc fails | Major | . | Sonia Garudi | Sonia Garudi | +| [HADOOP-14676](https://issues.apache.org/jira/browse/HADOOP-14676) | Wrong default value for "fs.df.interval" | Major | common, conf, fs | Konstantin Shvachko | xiangguang zheng | +| [HADOOP-14701](https://issues.apache.org/jira/browse/HADOOP-14701) | Configuration can log misleading warnings about an attempt to override final parameter | Major | conf | Andrew Sherman | Andrew Sherman | +| [YARN-5731](https://issues.apache.org/jira/browse/YARN-5731) | Preemption calculation is not accurate when reserved containers are present in queue. | Major | capacity scheduler | Sunil G | Wangda Tan | +| [HADOOP-14683](https://issues.apache.org/jira/browse/HADOOP-14683) | FileStatus.compareTo binary compatible issue | Blocker | . | Sergey Shelukhin | Akira Ajisaka | +| [HDFS-12107](https://issues.apache.org/jira/browse/HDFS-12107) | FsDatasetImpl#removeVolumes floods the logs when removing the volume | Major | . | Haohui Mai | Kelvin Chu | +| [HADOOP-14702](https://issues.apache.org/jira/browse/HADOOP-14702) | Fix formatting issue and regression caused by conversion from APT to Markdown | Minor | documentation | Doris Gu | Doris Gu | +| [YARN-6872](https://issues.apache.org/jira/browse/YARN-6872) | Ensure apps could run given NodeLabels are disabled post RM switchover/restart | Major | resourcemanager | Sunil G | Sunil G | +| [HDFS-12217](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/YARN-6846) | Nodemanager can fail to fully delete application local directories when applications are killed | Critical | nodemanager | Jason Lowe | Jason Lowe | +| [YARN-6678](https://issues.apache.org/jira/browse/YARN-6678) | Handle IllegalStateException in Async Scheduling mode of CapacityScheduler | Major | capacityscheduler | Tao Yang | Tao Yang | +| [YARN-6932](https://issues.apache.org/jira/browse/YARN-6932) | Fix TestFederationRMFailoverProxyProvider test case failure | Major | . | Arun Suresh | Subru Krishnan | +| [YARN-6895](https://issues.apache.org/jira/browse/YARN-6895) | [FairScheduler] Preemption reservation may cause regular reservation leaks | Blocker | fairscheduler | Miklos Szegedi | Miklos Szegedi | +| [HADOOP-13963](https://issues.apache.org/jira/browse/HADOOP-13963) | /bin/bash is hard coded in some of the scripts | Major | scripts | Miklos Szegedi | Ajay Kumar | +| [HADOOP-14722](https://issues.apache.org/jira/browse/HADOOP-14722) | Azure: BlockBlobInputStream position incorrect after seek | Major | fs/azure | Thomas Marquardt | Thomas Marquardt | +| [YARN-6951](https://issues.apache.org/jira/browse/YARN-6951) | Fix debug log when Resource Handler chain is enabled | Minor | . | Yang Wang | Yang Wang | +| [HADOOP-14727](https://issues.apache.org/jira/browse/HADOOP-14727) | Socket not closed properly when reading Configurations with BlockReaderRemote | Blocker | conf | Xiao Chen | Jonathan Eagles | +| [YARN-6920](https://issues.apache.org/jira/browse/YARN-6920) | Fix resource leak that happens during container re-initialization. | Major | nodemanager | Arun Suresh | Arun Suresh | +| [HADOOP-14730](https://issues.apache.org/jira/browse/HADOOP-14730) | Support protobuf FileStatus in AdlFileSystem | Major | . | Vishwajeet Dusane | Chris Douglas | +| [HDFS-12198](https://issues.apache.org/jira/browse/HDFS-12198) | Document missing namenode metrics that were added recently | Minor | documentation | Yiqun Lin | Yiqun Lin | +| [HADOOP-14680](https://issues.apache.org/jira/browse/HADOOP-14680) | Azure: IndexOutOfBoundsException in BlockBlobInputStream | Minor | fs/azure | Rajesh Balamohan | Thomas Marquardt | +| [YARN-6757](https://issues.apache.org/jira/browse/YARN-6757) | Refactor the usage of yarn.nodemanager.linux-container-executor.cgroups.mount-path | Minor | nodemanager | Miklos Szegedi | Miklos Szegedi | +| [MAPREDUCE-6927](https://issues.apache.org/jira/browse/MAPREDUCE-6927) | MR job should only set tracking url if history was successfully written | Major | . | Eric Badger | Eric Badger | +| [YARN-6890](https://issues.apache.org/jira/browse/YARN-6890) | If UI is not secured, we allow user to kill other users' job even yarn cluster is secured. | Critical | . | Sumana Sathish | Junping Du | +| [HDFS-10326](https://issues.apache.org/jira/browse/HDFS-10326) | Disable setting tcp socket send/receive buffers for write pipelines | Major | datanode, hdfs | Daryn Sharp | Daryn Sharp | +| [HADOOP-14598](https://issues.apache.org/jira/browse/HADOOP-14598) | Blacklist Http/HttpsFileSystem in FsUrlStreamHandlerFactory | Major | fs/azure, test | Steve Loughran | Steve Loughran | +| [YARN-6515](https://issues.apache.org/jira/browse/YARN-6515) | Fix warnings from Spotbugs in hadoop-yarn-server-nodemanager | Major | nodemanager | Naganarasimha G R | Naganarasimha G R | +| [HDFS-12157](https://issues.apache.org/jira/browse/HDFS-12157) | Do fsyncDirectory(..) outside of FSDataset lock | Critical | datanode | Vinayakumar B | Vinayakumar B | +| [HDFS-12278](https://issues.apache.org/jira/browse/HDFS-12278) | LeaseManager operations are inefficient in 2.8. | Blocker | namenode | Rushabh S Shah | Rushabh S Shah | +| [HADOOP-14743](https://issues.apache.org/jira/browse/HADOOP-14743) | CompositeGroupsMapping should not swallow exceptions | Major | security | Wei-Chiu Chuang | Wei-Chiu Chuang | +| [HADOOP-14754](https://issues.apache.org/jira/browse/HADOOP-14754) | TestCommonConfigurationFields failed: core-default.xml has 2 wasb properties missing in classes | Minor | common, fs/azure | John Zhuge | John Zhuge | +| [HADOOP-14760](https://issues.apache.org/jira/browse/HADOOP-14760) | Add missing override to LoadBalancingKMSClientProvider | Minor | kms | Xiao Chen | Xiao Chen | +| [YARN-5927](https://issues.apache.org/jira/browse/YARN-5927) | BaseContainerManagerTest::waitForNMContainerState timeout accounting is not accurate | Trivial | . | Miklos Szegedi | Kai Sasaki | +| [YARN-6967](https://issues.apache.org/jira/browse/YARN-6967) | Limit application attempt's diagnostic message size thoroughly | Major | resourcemanager | Chengbing Liu | Chengbing Liu | +| [HDFS-11303](https://issues.apache.org/jira/browse/HDFS-11303) | Hedged read might hang infinitely if read data from all DN failed | Major | hdfs-client | Chen Zhang | Chen Zhang | +| [YARN-6996](https://issues.apache.org/jira/browse/YARN-6996) | Change javax.cache library implementation from JSR107 to Apache Geronimo | Blocker | . | Ray Chiang | Ray Chiang | +| [YARN-6987](https://issues.apache.org/jira/browse/YARN-6987) | Log app attempt during InvalidStateTransition | Major | . | Jonathan Eagles | Jonathan Eagles | +| [HDFS-11696](https://issues.apache.org/jira/browse/HDFS-11696) | Fix warnings from Spotbugs in hadoop-hdfs | Major | . | Yiqun Lin | Yiqun Lin | +| [HDFS-12066](https://issues.apache.org/jira/browse/HDFS-12066) | When Namenode is in safemode,may not allowed to remove an user's erasure coding policy | Major | hdfs | lufei | lufei | +| [HDFS-12054](https://issues.apache.org/jira/browse/HDFS-12054) | FSNamesystem#addErasureCodingPolicies should call checkNameNodeSafeMode() to ensure Namenode is not in safemode | Major | hdfs | lufei | lufei | +| [YARN-7014](https://issues.apache.org/jira/browse/YARN-7014) | container-executor has off-by-one error which can corrupt the heap | Critical | yarn | Shane Kumpf | Jason Lowe | +| [HADOOP-14773](https://issues.apache.org/jira/browse/HADOOP-14773) | Extend ZKCuratorManager API for more reusability | Major | . | Ãñigo Goiri | Ãñigo Goiri | +| [YARN-6965](https://issues.apache.org/jira/browse/YARN-6965) | Duplicate instantiation in FairSchedulerQueueInfo | Minor | fairscheduler | Masahiro Tanaka | Masahiro Tanaka | +| [YARN-7020](https://issues.apache.org/jira/browse/YARN-7020) | TestAMRMProxy#testAMRMProxyTokenRenewal is flakey | Major | . | Robert Kanter | Robert Kanter | +| [MAPREDUCE-6940](https://issues.apache.org/jira/browse/MAPREDUCE-6940) | Copy-paste error in the TaskAttemptUnsuccessfulCompletionEvent constructor | Minor | . | Oleg Danilov | Oleg Danilov | +| [MAPREDUCE-6936](https://issues.apache.org/jira/browse/MAPREDUCE-6936) | Remove unnecessary dependency of hadoop-yarn-server-common from hadoop-mapreduce-client-common | Major | mrv2 | Haibo Chen | Haibo Chen | +| [HDFS-12250](https://issues.apache.org/jira/browse/HDFS-12250) | Reduce usage of FsPermissionExtension in unit tests | Minor | test | Chris Douglas | Chris Douglas | +| [HDFS-12316](https://issues.apache.org/jira/browse/HDFS-12316) | Verify HDFS snapshot deletion doesn't crash the ongoing file writes | Major | . | Manoj Govindassamy | Manoj Govindassamy | +| [YARN-7007](https://issues.apache.org/jira/browse/YARN-7007) | NPE in RM while using YarnClient.getApplications() | Major | . | Lingfeng Su | Lingfeng Su | +| [HDFS-12325](https://issues.apache.org/jira/browse/HDFS-12325) | SFTPFileSystem operations should restore cwd | Major | . | Namit Maheshwari | Chen Liang | +| [HDFS-11738](https://issues.apache.org/jira/browse/HDFS-11738) | Hedged pread takes more time when block moved from initial locations | Major | hdfs-client | Vinayakumar B | Vinayakumar B | +| [YARN-2416](https://issues.apache.org/jira/browse/YARN-2416) | InvalidStateTransitonException in ResourceManager if AMLauncher does not receive response for startContainers() call in time | Critical | resourcemanager | Jian Fang | Jonathan Eagles | +| [YARN-7048](https://issues.apache.org/jira/browse/YARN-7048) | Fix tests faking kerberos to explicitly set ugi auth type | Major | yarn | Daryn Sharp | Daryn Sharp | +| [HADOOP-14687](https://issues.apache.org/jira/browse/HADOOP-14687) | AuthenticatedURL will reuse bad/expired session cookies | Critical | common | Daryn Sharp | Daryn Sharp | +| [YARN-6251](https://issues.apache.org/jira/browse/YARN-6251) | Do async container release to prevent deadlock during container updates | Major | . | Arun Suresh | Arun Suresh | +| [YARN-7090](https://issues.apache.org/jira/browse/YARN-7090) | testRMRestartAfterNodeLabelDisabled get failed when CapacityScheduler is configured | Major | test | Yesha Vora | Wangda Tan | +| [HDFS-12318](https://issues.apache.org/jira/browse/HDFS-12318) | Fix IOException condition for openInfo in DFSInputStream | Major | . | legend | legend | +| [YARN-7074](https://issues.apache.org/jira/browse/YARN-7074) | Fix NM state store update comment | Minor | nodemanager | Botong Huang | Botong Huang | +| [HDFS-12344](https://issues.apache.org/jira/browse/HDFS-12344) | LocatedFileStatus regression: no longer accepting null FSPermission | Minor | fs | Ewan Higgs | Ewan Higgs | +| [YARN-6640](https://issues.apache.org/jira/browse/YARN-6640) | AM heartbeat stuck when responseId overflows MAX\_INT | Blocker | . | Botong Huang | Botong Huang | +| [HDFS-12319](https://issues.apache.org/jira/browse/HDFS-12319) | DirectoryScanner will throw IllegalStateException when Multiple BP's are present | Blocker | . | Brahma Reddy Battula | Brahma Reddy Battula | +| [HDFS-12299](https://issues.apache.org/jira/browse/HDFS-12299) | Race Between update pipeline and DN Re-Registration | Critical | . | Brahma Reddy Battula | Brahma Reddy Battula | +| [YARN-7052](https://issues.apache.org/jira/browse/YARN-7052) | RM SchedulingMonitor gives no indication why the spawned thread crashed. | Critical | yarn | Eric Payne | Eric Payne | +| [YARN-7087](https://issues.apache.org/jira/browse/YARN-7087) | NM failed to perform log aggregation due to absent container | Blocker | log-aggregation | Jason Lowe | Jason Lowe | +| [HDFS-12215](https://issues.apache.org/jira/browse/HDFS-12215) | DataNode#transferBlock does not create its daemon in the xceiver thread group | Major | datanode | Lei (Eddy) Xu | Lei (Eddy) Xu | +| [HDFS-12248](https://issues.apache.org/jira/browse/HDFS-12248) | SNN will not upload fsimage on IOE and Interrupted exceptions | Critical | ha, namenode, rolling upgrades | Brahma Reddy Battula | Brahma Reddy Battula | +| [HDFS-12358](https://issues.apache.org/jira/browse/HDFS-12358) | Handle IOException when transferring edit log to Journal current dir through JN sync | Major | . | Hanisha Koneru | Hanisha Koneru | +| [MAPREDUCE-6945](https://issues.apache.org/jira/browse/MAPREDUCE-6945) | TestMapFileOutputFormat missing @after annotation | Minor | . | Ajay Kumar | Ajay Kumar | +| [YARN-7051](https://issues.apache.org/jira/browse/YARN-7051) | Avoid concurrent modification exception in FifoIntraQueuePreemptionPlugin | Critical | capacity scheduler, scheduler preemption, yarn | Eric Payne | Eric Payne | +| [YARN-7099](https://issues.apache.org/jira/browse/YARN-7099) | ResourceHandlerModule.parseConfiguredCGroupPath only works for privileged yarn users. | Minor | nodemanager | Miklos Szegedi | Miklos Szegedi | +| [YARN-7112](https://issues.apache.org/jira/browse/YARN-7112) | TestAMRMProxy is failing with invalid request | Major | . | Jason Lowe | Jason Lowe | +| [HDFS-12293](https://issues.apache.org/jira/browse/HDFS-12293) | DataNode should log file name on disk error | Major | datanode | Wei-Chiu Chuang | Ajay Kumar | +| [YARN-7076](https://issues.apache.org/jira/browse/YARN-7076) | yarn application -list -appTypes \<appType\> is not working | Blocker | . | Jian He | Jian He | +| [YARN-5816](https://issues.apache.org/jira/browse/YARN-5816) | TestDelegationTokenRenewer#testCancelWithMultipleAppSubmissions is still flakey | Minor | resourcemanager, test | Daniel Templeton | Robert Kanter | +| [YARN-6756](https://issues.apache.org/jira/browse/YARN-6756) | ContainerRequest#executionTypeRequest causes NPE | Critical | . | Jian He | Jian He | +| [HDFS-12191](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/YARN-6982) | Potential issue on setting AMContainerSpec#tokenConf to null before app is completed | Major | . | Rohith Sharma K S | Manikandan R | +| [YARN-6868](https://issues.apache.org/jira/browse/YARN-6868) | Add test scope to certain entries in hadoop-yarn-server-resourcemanager pom.xml | Major | yarn | Ray Chiang | Ray Chiang | +| [HDFS-12336](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/HADOOP-14814) | Fix incompatible API change on FsServerDefaults to HADOOP-14104 | Blocker | . | Junping Du | Junping Du | +| [MAPREDUCE-6931](https://issues.apache.org/jira/browse/MAPREDUCE-6931) | Remove TestDFSIO "Total Throughput" calculation | Critical | benchmarks, test | Dennis Huo | Dennis Huo | +| [YARN-7115](https://issues.apache.org/jira/browse/YARN-7115) | Move BoundedAppender to org.hadoop.yarn.util pacakge | Major | . | Jian He | Jian He | +| [YARN-7077](https://issues.apache.org/jira/browse/YARN-7077) | TestAMSimulator and TestNMSimulator fail | Major | test | Akira Ajisaka | Akira Ajisaka | +| [YARN-7116](https://issues.apache.org/jira/browse/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 | +| [YARN-6726](https://issues.apache.org/jira/browse/YARN-6726) | Fix issues with docker commands executed by container-executor | Major | nodemanager | Shane Kumpf | Shane Kumpf | +| [HADOOP-14364](https://issues.apache.org/jira/browse/HADOOP-14364) | refresh changelog/release notes with newer Apache Yetus build | Major | build, documentation | Allen Wittenauer | Allen Wittenauer | +| [HDFS-12317](https://issues.apache.org/jira/browse/HDFS-12317) | HDFS metrics render error in the page of Github | Minor | documentation, metrics | Yiqun Lin | Yiqun Lin | +| [HADOOP-14824](https://issues.apache.org/jira/browse/HADOOP-14824) | Update ADLS SDK to 2.2.2 for MSI fix | Major | fs/adl | Atul Sikaria | Atul Sikaria | +| [HDFS-12363](https://issues.apache.org/jira/browse/HDFS-12363) | Possible NPE in BlockManager$StorageInfoDefragmenter#scanAndCompactStorages | Major | namenode | Xiao Chen | Xiao Chen | +| [YARN-7141](https://issues.apache.org/jira/browse/YARN-7141) | Move logging APIs to slf4j in timelineservice after ATSv2 merge | Minor | . | Varun Saxena | Varun Saxena | +| [HDFS-11964](https://issues.apache.org/jira/browse/HDFS-11964) | Decoding inputs should be correctly prepared in pread | Major | erasure-coding | Lei (Eddy) Xu | Takanobu Asanuma | +| [YARN-7120](https://issues.apache.org/jira/browse/YARN-7120) | CapacitySchedulerPage NPE in "Aggregate scheduler counts" section | Minor | . | Eric Payne | Eric Payne | +| [HADOOP-14674](https://issues.apache.org/jira/browse/HADOOP-14674) | Correct javadoc for getRandomizedTempPath | Major | common | Mukul Kumar Singh | Mukul Kumar Singh | +| [YARN-7023](https://issues.apache.org/jira/browse/YARN-7023) | Incorrect ReservationId.compareTo() implementation | Minor | reservation system | Oleg Danilov | Oleg Danilov | +| [HDFS-12383](https://issues.apache.org/jira/browse/HDFS-12383) | Re-encryption updater should handle canceled tasks better | Major | encryption | Xiao Chen | Xiao Chen | +| [YARN-7152](https://issues.apache.org/jira/browse/YARN-7152) | [ATSv2] Registering timeline client before AMRMClient service init throw exception. | Major | timelineclient | Rohith Sharma K S | Rohith Sharma K S | +| [HDFS-12388](https://issues.apache.org/jira/browse/HDFS-12388) | A bad error message in DFSStripedOutputStream | Major | erasure-coding | Kai Zheng | Huafeng Wang | +| [HADOOP-14820](https://issues.apache.org/jira/browse/HADOOP-14820) | Wasb mkdirs security checks inconsistent with HDFS | Major | fs/azure | Sivaguru Sankaridurg | Sivaguru Sankaridurg | +| [HDFS-12359](https://issues.apache.org/jira/browse/HDFS-12359) | Re-encryption should operate with minimum KMS ACL requirements. | Major | encryption | Xiao Chen | Xiao Chen | +| [HDFS-11882](https://issues.apache.org/jira/browse/HDFS-11882) | Precisely calculate acked length of striped block groups in updatePipeline | Critical | erasure-coding, test | Akira Ajisaka | Andrew Wang | +| [HDFS-12392](https://issues.apache.org/jira/browse/HDFS-12392) | Writing striped file failed due to different cell size | Major | erasure-coding | SammiChen | SammiChen | +| [YARN-7164](https://issues.apache.org/jira/browse/YARN-7164) | TestAMRMClientOnRMRestart fails sporadically with bind address in use | Major | test | Jason Lowe | Jason Lowe | +| [YARN-6992](https://issues.apache.org/jira/browse/YARN-6992) | Kill application button is visible even if the application is FINISHED in RM UI | Major | . | Sumana Sathish | Suma Shivaprasad | +| [HDFS-12357](https://issues.apache.org/jira/browse/HDFS-12357) | Let NameNode to bypass external attribute provider for special user | Major | . | Yongjun Zhang | Yongjun Zhang | +| [HDFS-12369](https://issues.apache.org/jira/browse/HDFS-12369) | Edit log corruption due to hard lease recovery of not-closed file which has snapshots | Major | namenode | Xiao Chen | Xiao Chen | +| [HDFS-12404](https://issues.apache.org/jira/browse/HDFS-12404) | Rename hdfs config authorization.provider.bypass.users to attributes.provider.bypass.users | Major | hdfs | Yongjun Zhang | Manoj Govindassamy | +| [HDFS-12400](https://issues.apache.org/jira/browse/HDFS-12400) | Provide a way for NN to drain the local key cache before re-encryption | Major | encryption | Xiao Chen | Xiao Chen | +| [YARN-7140](https://issues.apache.org/jira/browse/YARN-7140) | CollectorInfo should have Public visibility | Minor | . | Varun Saxena | Varun Saxena | +| [YARN-7130](https://issues.apache.org/jira/browse/YARN-7130) | ATSv2 documentation changes post merge | Major | timelineserver | Varun Saxena | Varun Saxena | +| [HADOOP-14851](https://issues.apache.org/jira/browse/HADOOP-14851) | LambdaTestUtils.eventually() doesn't spin on Assertion failures | Major | test | Steve Loughran | Steve Loughran | +| [YARN-7181](https://issues.apache.org/jira/browse/YARN-7181) | CPUTimeTracker.updateElapsedJiffies can report negative usage | Major | . | Miklos Szegedi | Miklos Szegedi | +| [HDFS-12417](https://issues.apache.org/jira/browse/HDFS-12417) | Disable flaky TestDFSStripedOutputStreamWithFailure | Major | test | Chris Douglas | Andrew Wang | +| [HADOOP-14856](https://issues.apache.org/jira/browse/HADOOP-14856) | Fix AWS, Jetty, HBase, Ehcache entries for NOTICE.txt | Major | . | Ray Chiang | Ray Chiang | +| [HDFS-12407](https://issues.apache.org/jira/browse/HDFS-12407) | Journal nodes fails to shutdown cleanly if JournalNodeHttpServer or JournalNodeRpcServer fails to start | Major | . | Ajay Kumar | Ajay Kumar | +| [YARN-7185](https://issues.apache.org/jira/browse/YARN-7185) | ContainerScheduler should only look at availableResource for GUARANTEED containers when OPPORTUNISTIC container queuing is enabled. | Blocker | yarn | Sumana Sathish | Tan, Wangda | +| [HDFS-12222](https://issues.apache.org/jira/browse/HDFS-12222) | Document and test BlockLocation for erasure-coded files | Major | . | Andrew Wang | Huafeng Wang | +| [HADOOP-14867](https://issues.apache.org/jira/browse/HADOOP-14867) | Update HDFS Federation setup document, for incorrect property name for secondary name node http address | Major | . | Bharat Viswanadham | Bharat Viswanadham | +| [YARN-4727](https://issues.apache.org/jira/browse/YARN-4727) | Unable to override the $HADOOP\_CONF\_DIR env variable for container | Major | nodemanager | Terence Yim | Jason Lowe | +| [MAPREDUCE-6957](https://issues.apache.org/jira/browse/MAPREDUCE-6957) | shuffle hangs after a node manager connection timeout | Major | mrv2 | Jooseong Kim | Jooseong Kim | +| [YARN-7146](https://issues.apache.org/jira/browse/YARN-7146) | Many RM unit tests failing with FairScheduler | Major | test | Robert Kanter | Robert Kanter | +| [HDFS-12457](https://issues.apache.org/jira/browse/HDFS-12457) | Revert HDFS-11156 Add new op GETFILEBLOCKLOCATIONS to WebHDFS REST API | Major | webhdfs | Andrew Wang | Andrew Wang | +| [HDFS-12378](https://issues.apache.org/jira/browse/HDFS-12378) | TestClientProtocolForPipelineRecovery#testZeroByteBlockRecovery fails on trunk | Blocker | test | Xiao Chen | Lei (Eddy) Xu | +| [HDFS-12456](https://issues.apache.org/jira/browse/HDFS-12456) | TestNamenodeMetrics.testSyncAndBlockReportMetric fails | Minor | hdfs, metrics | Bharat Viswanadham | Bharat Viswanadham | +| [YARN-7163](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/HDFS-12424) | Datatable sorting on the Datanode Information page in the Namenode UI is broken | Major | . | Shawna Martell | Shawna Martell | +| [HADOOP-14853](https://issues.apache.org/jira/browse/HADOOP-14853) | hadoop-mapreduce-client-app is not a client module | Major | . | Haibo Chen | Haibo Chen | +| [HDFS-12323](https://issues.apache.org/jira/browse/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 | +| [HDFS-10701](https://issues.apache.org/jira/browse/HDFS-10701) | TestDFSStripedOutputStreamWithFailure#testBlockTokenExpired occasionally fails | Major | erasure-coding | Wei-Chiu Chuang | SammiChen | +| [YARN-6977](https://issues.apache.org/jira/browse/YARN-6977) | Node information is not provided for non am containers in RM logs | Major | capacity scheduler | Sumana Sathish | Suma Shivaprasad | +| [YARN-7149](https://issues.apache.org/jira/browse/YARN-7149) | Cross-queue preemption sometimes starves an underserved queue | Major | capacity scheduler | Eric Payne | Eric Payne | +| [YARN-7192](https://issues.apache.org/jira/browse/YARN-7192) | Add a pluggable StateMachine Listener that is notified of NM Container State changes | Major | . | Arun Suresh | Arun Suresh | +| [HADOOP-14835](https://issues.apache.org/jira/browse/HADOOP-14835) | mvn site build throws SAX errors | Blocker | build, site | Allen Wittenauer | Andrew Wang | +| [MAPREDUCE-6960](https://issues.apache.org/jira/browse/MAPREDUCE-6960) | Shuffle Handler prints disk error stack traces for every read failure. | Major | . | Kuhu Shukla | Kuhu Shukla | +| [HDFS-12480](https://issues.apache.org/jira/browse/HDFS-12480) | TestNameNodeMetrics#testTransactionAndCheckpointMetrics Fails in trunk | Blocker | test | Brahma Reddy Battula | Hanisha Koneru | +| [HDFS-11799](https://issues.apache.org/jira/browse/HDFS-11799) | Introduce a config to allow setting up write pipeline with fewer nodes than replication factor | Major | . | Yongjun Zhang | Brahma Reddy Battula | +| [HDFS-12449](https://issues.apache.org/jira/browse/HDFS-12449) | TestReconstructStripedFile.testNNSendsErasureCodingTasks randomly cannot finish in 60s | Major | erasure-coding | SammiChen | SammiChen | +| [HDFS-12437](https://issues.apache.org/jira/browse/HDFS-12437) | Fix test setup in TestLeaseRecoveryStriped | Major | erasure-coding, test | Arpit Agarwal | Andrew Wang | +| [YARN-7196](https://issues.apache.org/jira/browse/YARN-7196) | Fix finicky TestContainerManager tests | Major | . | Arun Suresh | Arun Suresh | +| [YARN-6771](https://issues.apache.org/jira/browse/YARN-6771) | Use classloader inside configuration class to make new classes | Major | . | Jongyoul Lee | Jongyoul Lee | +| [HDFS-12526](https://issues.apache.org/jira/browse/HDFS-12526) | FSDirectory should use Time.monotonicNow for durations | Minor | . | Chetna Chaudhari | Bharat Viswanadham | +| [YARN-6968](https://issues.apache.org/jira/browse/YARN-6968) | Hardcoded absolute pathname in DockerLinuxContainerRuntime | Major | nodemanager | Miklos Szegedi | Eric Badger | +| [HDFS-12371](https://issues.apache.org/jira/browse/HDFS-12371) | "BlockVerificationFailures" and "BlocksVerified" show up as 0 in Datanode JMX | Major | metrics | Sai Nukavarapu | Hanisha Koneru | +| [MAPREDUCE-6964](https://issues.apache.org/jira/browse/MAPREDUCE-6964) | BaileyBorweinPlouffe should use Time.monotonicNow for measuring durations | Minor | examples | Chetna Chaudhari | Chetna Chaudhari | +| [YARN-6991](https://issues.apache.org/jira/browse/YARN-6991) | "Kill application" button does not show error if other user tries to kill the application for secure cluster | Major | . | Sumana Sathish | Suma Shivaprasad | +| [YARN-7034](https://issues.apache.org/jira/browse/YARN-7034) | DefaultLinuxContainerRuntime and DockerLinuxContainerRuntime sends client environment variables to container-executor | Blocker | nodemanager | Miklos Szegedi | Miklos Szegedi | +| [HDFS-12523](https://issues.apache.org/jira/browse/HDFS-12523) | Thread pools in ErasureCodingWorker do not shutdown | Major | erasure-coding | Lei (Eddy) Xu | Huafeng Wang | +| [MAPREDUCE-6966](https://issues.apache.org/jira/browse/MAPREDUCE-6966) | DistSum should use Time.monotonicNow for measuring durations | Minor | . | Chetna Chaudhari | Chetna Chaudhari | +| [MAPREDUCE-6965](https://issues.apache.org/jira/browse/MAPREDUCE-6965) | QuasiMonteCarlo should use Time.monotonicNow for measuring durations | Minor | examples | Chetna Chaudhari | Chetna Chaudhari | +| [MAPREDUCE-6967](https://issues.apache.org/jira/browse/MAPREDUCE-6967) | gridmix/SleepReducer should use Time.monotonicNow for measuring durations | Minor | . | Chetna Chaudhari | Chetna Chaudhari | +| [YARN-7153](https://issues.apache.org/jira/browse/YARN-7153) | Remove duplicated code in AMRMClientAsyncImpl.java | Minor | client | Sen Zhao | Sen Zhao | +| [HADOOP-14897](https://issues.apache.org/jira/browse/HADOOP-14897) | Loosen compatibility guidelines for native dependencies | Blocker | documentation, native | Chris Douglas | Daniel Templeton | +| [HADOOP-14903](https://issues.apache.org/jira/browse/HADOOP-14903) | Add json-smart explicitly to pom.xml | Major | common | Ray Chiang | Ray Chiang | +| [YARN-7118](https://issues.apache.org/jira/browse/YARN-7118) | AHS REST API can return NullPointerException | Major | . | Prabhu Joseph | Billie Rinaldi | +| [HDFS-12495](https://issues.apache.org/jira/browse/HDFS-12495) | TestPendingInvalidateBlock#testPendingDeleteUnknownBlocks fails intermittently | Major | . | Eric Badger | Eric Badger | +| [MAPREDUCE-6968](https://issues.apache.org/jira/browse/MAPREDUCE-6968) | Staging directory erasure coding config property has a typo | Major | client | Jason Lowe | Jason Lowe | +| [HADOOP-14822](https://issues.apache.org/jira/browse/HADOOP-14822) | hadoop-project/pom.xml is executable | Minor | . | Akira Ajisaka | Ajay Kumar | +| [YARN-7157](https://issues.apache.org/jira/browse/YARN-7157) | Add admin configuration to filter per-user's apps in secure cluster | Major | webapp | Sunil G | Sunil G | +| [YARN-7253](https://issues.apache.org/jira/browse/YARN-7253) | Shared Cache Manager daemon command listed as admin subcmd in yarn script | Trivial | . | Chris Trezzo | Chris Trezzo | +| [YARN-7257](https://issues.apache.org/jira/browse/YARN-7257) | AggregatedLogsBlock reports a bad 'end' value as a bad 'start' value | Major | log-aggregation | Jason Lowe | Jason Lowe | +| [HDFS-12458](https://issues.apache.org/jira/browse/HDFS-12458) | TestReencryptionWithKMS fails regularly | Major | encryption, test | Konstantin Shvachko | Xiao Chen | + + +### TESTS: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [YARN-5548](https://issues.apache.org/jira/browse/YARN-5548) | Use MockRMMemoryStateStore to reduce test failures | Major | . | Bibin A Chundatt | Bibin A Chundatt | +| [HDFS-2319](https://issues.apache.org/jira/browse/HDFS-2319) | Add test cases for FSshell -stat | Trivial | test | XieXianshan | Bharat Viswanadham | +| [HADOOP-14245](https://issues.apache.org/jira/browse/HADOOP-14245) | Use Mockito.when instead of Mockito.stub | Minor | test | Akira Ajisaka | Andras Bokor | +| [YARN-5349](https://issues.apache.org/jira/browse/YARN-5349) | TestWorkPreservingRMRestart#testUAMRecoveryOnRMWorkPreservingRestart fail intermittently | Minor | . | sandflee | Jason Lowe | +| [HDFS-11988](https://issues.apache.org/jira/browse/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 | +| [HADOOP-14729](https://issues.apache.org/jira/browse/HADOOP-14729) | Upgrade JUnit 3 test cases to JUnit 4 | Major | . | Akira Ajisaka | Ajay Kumar | +| [HDFS-11912](https://issues.apache.org/jira/browse/HDFS-11912) | Add a snapshot unit test with randomized file IO operations | Minor | hdfs | George Huang | George Huang | +| [MAPREDUCE-6953](https://issues.apache.org/jira/browse/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-5300](https://issues.apache.org/jira/browse/YARN-5300) | Exclude generated federation protobuf sources from YARN Javadoc/findbugs build | Minor | nodemanager, resourcemanager | Subru Krishnan | Subru Krishnan | +| [YARN-5156](https://issues.apache.org/jira/browse/YARN-5156) | YARN\_CONTAINER\_FINISHED of YARN\_CONTAINERs will always have running state | Major | timelineserver | Li Lu | Vrushali C | +| [YARN-3662](https://issues.apache.org/jira/browse/YARN-3662) | Federation Membership State Store internal APIs | Major | nodemanager, resourcemanager | Subru Krishnan | Subru Krishnan | +| [YARN-5229](https://issues.apache.org/jira/browse/YARN-5229) | Refactor #isApplicationEntity and #getApplicationEvent from HBaseTimelineWriterImpl | Minor | timelineserver | Joep Rottinghuis | Vrushali C | +| [YARN-5406](https://issues.apache.org/jira/browse/YARN-5406) | In-memory based implementation of the FederationMembershipStateStore | Major | nodemanager, resourcemanager | Subru Krishnan | Ellen Hui | +| [YARN-5390](https://issues.apache.org/jira/browse/YARN-5390) | Federation Subcluster Resolver | Major | nodemanager, resourcemanager | Carlo Curino | Ellen Hui | +| [YARN-5307](https://issues.apache.org/jira/browse/YARN-5307) | Federation Application State Store internal APIs | Major | nodemanager, resourcemanager | Subru Krishnan | Subru Krishnan | +| [YARN-3664](https://issues.apache.org/jira/browse/YARN-3664) | Federation PolicyStore internal APIs | Major | nodemanager, resourcemanager | Subru Krishnan | Subru Krishnan | +| [YARN-5408](https://issues.apache.org/jira/browse/YARN-5408) | Compose Federation membership/application/policy APIs into an uber FederationStateStore API | Major | nodemanager, resourcemanager | Subru Krishnan | Ellen Hui | +| [YARN-5407](https://issues.apache.org/jira/browse/YARN-5407) | In-memory based implementation of the FederationApplicationStateStore, FederationPolicyStateStore | Major | nodemanager, resourcemanager | Subru Krishnan | Ellen Hui | +| [YARN-5519](https://issues.apache.org/jira/browse/YARN-5519) | Add SubClusterId in AddApplicationHomeSubClusterResponse for Router Failover | Major | nodemanager, resourcemanager | Giovanni Matteo Fumarola | Ellen Hui | +| [YARN-3672](https://issues.apache.org/jira/browse/YARN-3672) | Create Facade for Federation State and Policy Store | Major | nodemanager, resourcemanager | Subru Krishnan | Subru Krishnan | +| [YARN-5467](https://issues.apache.org/jira/browse/YARN-5467) | InputValidator for the FederationStateStore internal APIs | Major | nodemanager, resourcemanager | Subru Krishnan | Giovanni Matteo Fumarola | +| [YARN-3673](https://issues.apache.org/jira/browse/YARN-3673) | Create a FailoverProxy for Federation services | Major | nodemanager, resourcemanager | Subru Krishnan | Subru Krishnan | +| [YARN-3671](https://issues.apache.org/jira/browse/YARN-3671) | Integrate Federation services with ResourceManager | Major | nodemanager, resourcemanager | Subru Krishnan | Subru Krishnan | +| [YARN-5612](https://issues.apache.org/jira/browse/YARN-5612) | Return SubClusterId in FederationStateStoreFacade#addApplicationHomeSubCluster for Router Failover | Major | nodemanager, resourcemanager | Giovanni Matteo Fumarola | Giovanni Matteo Fumarola | +| [YARN-5601](https://issues.apache.org/jira/browse/YARN-5601) | Make the RM epoch base value configurable | Major | nodemanager, resourcemanager | Subru Krishnan | Subru Krishnan | +| [YARN-5323](https://issues.apache.org/jira/browse/YARN-5323) | Policies APIs (for Router and AMRMProxy policies) | Major | nodemanager, resourcemanager | Carlo Curino | Carlo Curino | +| [YARN-5324](https://issues.apache.org/jira/browse/YARN-5324) | Stateless Federation router policies implementation | Major | nodemanager, resourcemanager | Carlo Curino | Carlo Curino | +| [YARN-5325](https://issues.apache.org/jira/browse/YARN-5325) | Stateless ARMRMProxy policies implementation | Major | nodemanager, resourcemanager | Carlo Curino | Carlo Curino | +| [YARN-5638](https://issues.apache.org/jira/browse/YARN-5638) | Introduce a collector timestamp to uniquely identify collectors creation order in collector discovery | Major | timelineserver | Li Lu | Li Lu | +| [YARN-3649](https://issues.apache.org/jira/browse/YARN-3649) | Allow configurable prefix for hbase table names (like prod, exp, test etc) | Major | timelineserver | Vrushali C | Vrushali C | +| [YARN-5715](https://issues.apache.org/jira/browse/YARN-5715) | introduce entity prefix for return and sort order | Critical | timelineserver | Sangjin Lee | Rohith Sharma K S | +| [YARN-5391](https://issues.apache.org/jira/browse/YARN-5391) | PolicyManager to tie together Router/AMRM Federation policies | Major | nodemanager, resourcemanager | Carlo Curino | Carlo Curino | +| [YARN-5265](https://issues.apache.org/jira/browse/YARN-5265) | Make HBase configuration for the timeline service configurable | Major | timelineserver | Joep Rottinghuis | Joep Rottinghuis | +| [YARN-3359](https://issues.apache.org/jira/browse/YARN-3359) | Recover collector list when RM fails over | Major | resourcemanager | Junping Du | Li Lu | +| [YARN-5634](https://issues.apache.org/jira/browse/YARN-5634) | Simplify initialization/use of RouterPolicy via a RouterPolicyFacade | Major | nodemanager, resourcemanager | Carlo Curino | Carlo Curino | +| [YARN-5792](https://issues.apache.org/jira/browse/YARN-5792) | adopt the id prefix for YARN, MR, and DS entities | Major | timelineserver | Sangjin Lee | Varun Saxena | +| [YARN-5676](https://issues.apache.org/jira/browse/YARN-5676) | Add a HashBasedRouterPolicy, and small policies and test refactoring. | Major | nodemanager, resourcemanager | Carlo Curino | Carlo Curino | +| [YARN-5872](https://issues.apache.org/jira/browse/YARN-5872) | Add AlwayReject policies for router and amrmproxy. | Major | nodemanager, resourcemanager | Carlo Curino | Carlo Curino | +| [YARN-5905](https://issues.apache.org/jira/browse/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-5739](https://issues.apache.org/jira/browse/YARN-5739) | Provide timeline reader API to list available timeline entity types for one application | Major | timelinereader | Li Lu | Li Lu | +| [MAPREDUCE-6818](https://issues.apache.org/jira/browse/MAPREDUCE-6818) | Remove direct reference to TimelineClientImpl | Major | . | Li Lu | Li Lu | +| [YARN-5585](https://issues.apache.org/jira/browse/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-5980](https://issues.apache.org/jira/browse/YARN-5980) | Update documentation for single node hbase deploy | Major | timelineserver | Vrushali C | Vrushali C | +| [YARN-5378](https://issues.apache.org/jira/browse/YARN-5378) | Accommodate app-id-\>cluster mapping | Major | timelineserver | Joep Rottinghuis | Sangjin Lee | +| [YARN-6064](https://issues.apache.org/jira/browse/YARN-6064) | Support fromId for flowRuns and flow/flowRun apps REST API's | Major | timelinereader | Rohith Sharma K S | Rohith Sharma K S | +| [YARN-6094](https://issues.apache.org/jira/browse/YARN-6094) | Update the coprocessor to be a dynamically loaded one | Major | timelineserver | Vrushali C | Vrushali C | +| [YARN-5410](https://issues.apache.org/jira/browse/YARN-5410) | Bootstrap Router server module | Major | nodemanager, resourcemanager | Subru Krishnan | Giovanni Matteo Fumarola | +| [YARN-6253](https://issues.apache.org/jira/browse/YARN-6253) | FlowAcitivityColumnPrefix.store(byte[] rowKey, ...) drops timestamp | Major | . | Haibo Chen | Haibo Chen | +| [YARN-6190](https://issues.apache.org/jira/browse/YARN-6190) | Validation and synchronization fixes in LocalityMulticastAMRMProxyPolicy | Minor | federation | Botong Huang | Botong Huang | +| [YARN-6027](https://issues.apache.org/jira/browse/YARN-6027) | Support fromid(offset) filter for /flows API | Major | timelineserver | Rohith Sharma K S | Rohith Sharma K S | +| [YARN-6247](https://issues.apache.org/jira/browse/YARN-6247) | Share a single instance of SubClusterResolver instead of instantiating one per AM | Minor | . | Botong Huang | Botong Huang | +| [YARN-6256](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/YARN-6237) | Move UID constant to TimelineReaderUtils | Major | timelinereader | Rohith Sharma K S | Rohith Sharma K S | +| [YARN-6318](https://issues.apache.org/jira/browse/YARN-6318) | timeline service schema creator fails if executed from a remote machine | Minor | timelineserver | Sangjin Lee | Sangjin Lee | +| [YARN-6146](https://issues.apache.org/jira/browse/YARN-6146) | Add Builder methods for TimelineEntityFilters | Major | timelineserver | Rohith Sharma K S | Haibo Chen | +| [YARN-5602](https://issues.apache.org/jira/browse/YARN-5602) | Utils for Federation State and Policy Store | Major | nodemanager, resourcemanager | Giovanni Matteo Fumarola | Giovanni Matteo Fumarola | +| [YARN-6203](https://issues.apache.org/jira/browse/YARN-6203) | Occasional test failure in TestWeightedRandomRouterPolicy | Minor | federation | Botong Huang | Carlo Curino | +| [YARN-3663](https://issues.apache.org/jira/browse/YARN-3663) | Federation State and Policy Store (DBMS implementation) | Major | nodemanager, resourcemanager | Giovanni Matteo Fumarola | Giovanni Matteo Fumarola | +| [YARN-5411](https://issues.apache.org/jira/browse/YARN-5411) | Create a proxy chain for ApplicationClientProtocol in the Router | Major | nodemanager, resourcemanager | Subru Krishnan | Giovanni Matteo Fumarola | +| [YARN-5413](https://issues.apache.org/jira/browse/YARN-5413) | Create a proxy chain for ResourceManager Admin API in the Router | Major | nodemanager, resourcemanager | Subru Krishnan | Giovanni Matteo Fumarola | +| [YARN-5531](https://issues.apache.org/jira/browse/YARN-5531) | UnmanagedAM pool manager for federating application across clusters | Major | nodemanager, resourcemanager | Subru Krishnan | Botong Huang | +| [YARN-6666](https://issues.apache.org/jira/browse/YARN-6666) | Fix unit test failure in TestRouterClientRMService | Minor | . | Botong Huang | Botong Huang | +| [YARN-6484](https://issues.apache.org/jira/browse/YARN-6484) | [Documentation] Documenting the YARN Federation feature | Major | nodemanager, resourcemanager | Subru Krishnan | Carlo Curino | +| [YARN-6658](https://issues.apache.org/jira/browse/YARN-6658) | Remove columnFor() methods of Columns in HBaseTimeline backend | Major | . | Haibo Chen | Haibo Chen | +| [YARN-3666](https://issues.apache.org/jira/browse/YARN-3666) | Federation Intercepting and propagating AM- home RM communications | Major | nodemanager, resourcemanager | Kishore Chaliparambil | Botong Huang | +| [YARN-5647](https://issues.apache.org/jira/browse/YARN-5647) | [ATSv2 Security] Collector side changes for loading auth filters and principals | Major | timelineserver | Varun Saxena | Varun Saxena | +| [YARN-6511](https://issues.apache.org/jira/browse/YARN-6511) | Federation: transparently spanning application across multiple sub-clusters | Major | . | Botong Huang | Botong Huang | +| [YARN-6638](https://issues.apache.org/jira/browse/YARN-6638) | [ATSv2 Security] Timeline reader side changes for loading auth filters and principals | Major | timelineserver | Varun Saxena | Varun Saxena | +| [YARN-6724](https://issues.apache.org/jira/browse/YARN-6724) | Add ability to blacklist sub-clusters when invoking Routing policies | Major | router | Subru Krishnan | Giovanni Matteo Fumarola | +| [YARN-5648](https://issues.apache.org/jira/browse/YARN-5648) | [ATSv2 Security] Client side changes for authentication | Major | timelineserver | Varun Saxena | Varun Saxena | +| [YARN-3659](https://issues.apache.org/jira/browse/YARN-3659) | Federation: routing client invocations transparently to multiple RMs | Major | client, resourcemanager, router | Giovanni Matteo Fumarola | Giovanni Matteo Fumarola | +| [YARN-5067](https://issues.apache.org/jira/browse/YARN-5067) | Support specifying resources for AM containers in SLS | Major | scheduler-load-simulator | Wangda Tan | Yufei Gu | +| [YARN-6681](https://issues.apache.org/jira/browse/YARN-6681) | Eliminate double-copy of child queues in canAssignToThisQueue | Major | resourcemanager | Daryn Sharp | Daryn Sharp | +| [HADOOP-14615](https://issues.apache.org/jira/browse/HADOOP-14615) | Add ServiceOperations.stopQuietly that accept slf4j logger API | Major | . | Wenxin He | Wenxin He | +| [HADOOP-14617](https://issues.apache.org/jira/browse/HADOOP-14617) | Add ReflectionUtils.logThreadInfo that accept slf4j logger API | Major | . | Wenxin He | Wenxin He | +| [HADOOP-14571](https://issues.apache.org/jira/browse/HADOOP-14571) | Deprecate public APIs relate to log4j1 | Major | . | Akira Ajisaka | Wenxin He | +| [HADOOP-14587](https://issues.apache.org/jira/browse/HADOOP-14587) | Use GenericTestUtils.setLogLevel when available in hadoop-common | Major | . | Wenxin He | Wenxin He | +| [YARN-6776](https://issues.apache.org/jira/browse/YARN-6776) | Refactor ApplicaitonMasterService to move actual processing logic to a separate class | Minor | . | Arun Suresh | Arun Suresh | +| [HADOOP-14638](https://issues.apache.org/jira/browse/HADOOP-14638) | Replace commons-logging APIs with slf4j in StreamPumper | Major | . | Wenxin He | Wenxin He | +| [YARN-6801](https://issues.apache.org/jira/browse/YARN-6801) | NPE in RM while setting collectors map in NodeHeartbeatResponse | Major | timelineserver | Vrushali C | Vrushali C | +| [YARN-6807](https://issues.apache.org/jira/browse/YARN-6807) | Adding required missing configs to Federation configuration guide based on e2e testing | Major | documentation, federation | Subru Krishnan | Tanuj Nayak | +| [YARN-6815](https://issues.apache.org/jira/browse/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](https://issues.apache.org/jira/browse/YARN-6821) | Move FederationStateStore SQL DDL files from test resource to sbin | Major | nodemanager, resourcemanager | Subru Krishnan | Subru Krishnan | +| [YARN-6706](https://issues.apache.org/jira/browse/YARN-6706) | Refactor ContainerScheduler to make oversubscription change easier | Major | . | Haibo Chen | Haibo Chen | +| [HADOOP-14642](https://issues.apache.org/jira/browse/HADOOP-14642) | wasb: add support for caching Authorization and SASKeys | Major | fs/azure | Sivaguru Sankaridurg | Sivaguru Sankaridurg | +| [YARN-6777](https://issues.apache.org/jira/browse/YARN-6777) | Support for ApplicationMasterService processing chain of interceptors | Major | . | Arun Suresh | Arun Suresh | +| [YARN-6775](https://issues.apache.org/jira/browse/YARN-6775) | CapacityScheduler: Improvements to assignContainers, avoid unnecessary canAssignToUser/Queue calls | Major | capacityscheduler | Nathan Roberts | Nathan Roberts | +| [YARN-4455](https://issues.apache.org/jira/browse/YARN-4455) | Support fetching metrics by time range | Major | timelineserver | Varun Saxena | Varun Saxena | +| [YARN-6685](https://issues.apache.org/jira/browse/YARN-6685) | Add job count in to SLS JSON input format | Major | scheduler-load-simulator | Yufei Gu | Yufei Gu | +| [YARN-6850](https://issues.apache.org/jira/browse/YARN-6850) | Ensure that supplemented timestamp is stored only for flow run metrics | Major | timelineserver | Vrushali C | Varun Saxena | +| [YARN-6733](https://issues.apache.org/jira/browse/YARN-6733) | Add table for storing sub-application entities | Major | timelineserver | Vrushali C | Vrushali C | +| [HADOOP-14518](https://issues.apache.org/jira/browse/HADOOP-14518) | Customize User-Agent header sent in HTTP/HTTPS requests by WASB. | Minor | fs/azure | Georgi Chalakov | Georgi Chalakov | +| [YARN-6804](https://issues.apache.org/jira/browse/YARN-6804) | Allow custom hostname for docker containers in native services | Major | yarn-native-services | Billie Rinaldi | Billie Rinaldi | +| [YARN-6866](https://issues.apache.org/jira/browse
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