http://git-wip-us.apache.org/repos/asf/hadoop/blob/d759b4bd/hadoop-common-project/hadoop-common/src/site/markdown/release/2.3.0/CHANGES.2.3.0.md ---------------------------------------------------------------------- diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/release/2.3.0/CHANGES.2.3.0.md b/hadoop-common-project/hadoop-common/src/site/markdown/release/2.3.0/CHANGES.2.3.0.md new file mode 100644 index 0000000..bf50e32 --- /dev/null +++ b/hadoop-common-project/hadoop-common/src/site/markdown/release/2.3.0/CHANGES.2.3.0.md @@ -0,0 +1,664 @@ + +<!--- +# 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 2.3.0 - 2014-02-20 + +### INCOMPATIBLE CHANGES: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [HDFS-4997](https://issues.apache.org/jira/browse/HDFS-4997) | libhdfs doesn't return correct error codes in most cases | Major | libhdfs | Colin Patrick McCabe | Colin Patrick McCabe | + + +### NEW FEATURES: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [HADOOP-10047](https://issues.apache.org/jira/browse/HADOOP-10047) | Add a directbuffer Decompressor API to hadoop | Major | io | Gopal V | Gopal V | +| [HADOOP-9848](https://issues.apache.org/jira/browse/HADOOP-9848) | Create a MiniKDC for use with security testing | Major | security, test | Wei Yan | Wei Yan | +| [HADOOP-9618](https://issues.apache.org/jira/browse/HADOOP-9618) | Add thread which detects JVM pauses | Major | util | Todd Lipcon | Todd Lipcon | +| [HADOOP-9432](https://issues.apache.org/jira/browse/HADOOP-9432) | Add support for markdown .md files in site documentation | Minor | build, documentation | Steve Loughran | | +| [HADOOP-8545](https://issues.apache.org/jira/browse/HADOOP-8545) | Filesystem Implementation for OpenStack Swift | Major | fs | Tim Miller | Dmitry Mezhensky | +| [HDFS-5703](https://issues.apache.org/jira/browse/HDFS-5703) | Add support for HTTPS and swebhdfs to HttpFS | Major | webhdfs | Alejandro Abdelnur | Alejandro Abdelnur | +| [HDFS-5260](https://issues.apache.org/jira/browse/HDFS-5260) | Merge zero-copy memory-mapped HDFS client reads to trunk and branch-2. | Major | hdfs-client, libhdfs | Chris Nauroth | Chris Nauroth | +| [HDFS-4949](https://issues.apache.org/jira/browse/HDFS-4949) | Centralized cache management in HDFS | Major | datanode, namenode | Andrew Wang | Andrew Wang | +| [HDFS-2832](https://issues.apache.org/jira/browse/HDFS-2832) | Enable support for heterogeneous storages in HDFS - DN as a collection of storages | Major | datanode, namenode | Suresh Srinivas | Arpit Agarwal | +| [MAPREDUCE-5332](https://issues.apache.org/jira/browse/MAPREDUCE-5332) | Support token-preserving restart of history server | Major | jobhistoryserver | Jason Lowe | Jason Lowe | +| [MAPREDUCE-5266](https://issues.apache.org/jira/browse/MAPREDUCE-5266) | Ability to refresh retention settings on history server | Major | jobhistoryserver | Jason Lowe | Ashwin Shankar | +| [MAPREDUCE-5265](https://issues.apache.org/jira/browse/MAPREDUCE-5265) | History server admin service to refresh user and superuser group mappings | Major | jobhistoryserver | Jason Lowe | Ashwin Shankar | +| [MAPREDUCE-1176](https://issues.apache.org/jira/browse/MAPREDUCE-1176) | FixedLengthInputFormat and FixedLengthRecordReader | Major | . | BitsOfInfo | Mariappan Asokan | +| [YARN-1392](https://issues.apache.org/jira/browse/YARN-1392) | Allow sophisticated app-to-queue placement policies in the Fair Scheduler | Major | scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1253](https://issues.apache.org/jira/browse/YARN-1253) | Changes to LinuxContainerExecutor to run containers as a single dedicated user in non-secure mode | Blocker | nodemanager | Alejandro Abdelnur | Roman Shaposhnik | +| [YARN-1021](https://issues.apache.org/jira/browse/YARN-1021) | Yarn Scheduler Load Simulator | Major | scheduler | Wei Yan | Wei Yan | + + +### IMPROVEMENTS: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [HADOOP-10274](https://issues.apache.org/jira/browse/HADOOP-10274) | Lower the logging level from ERROR to WARN for UGI.doAs method | Minor | security | takeshi.miao | takeshi.miao | +| [HADOOP-10248](https://issues.apache.org/jira/browse/HADOOP-10248) | Property name should be included in the exception where property value is null | Major | . | Ted Yu | Akira AJISAKA | +| [HADOOP-10228](https://issues.apache.org/jira/browse/HADOOP-10228) | FsPermission#fromShort() should cache FsAction.values() | Minor | fs | Haohui Mai | Haohui Mai | +| [HADOOP-10208](https://issues.apache.org/jira/browse/HADOOP-10208) | Remove duplicate initialization in StringUtils.getStringCollection | Trivial | . | Benoy Antony | Benoy Antony | +| [HADOOP-10198](https://issues.apache.org/jira/browse/HADOOP-10198) | DomainSocket: add support for socketpair | Minor | native | Colin Patrick McCabe | Colin Patrick McCabe | +| [HADOOP-10173](https://issues.apache.org/jira/browse/HADOOP-10173) | Remove UGI from DIGEST-MD5 SASL server creation | Critical | ipc | Daryn Sharp | Daryn Sharp | +| [HADOOP-10172](https://issues.apache.org/jira/browse/HADOOP-10172) | Cache SASL server factories | Critical | ipc | Daryn Sharp | Daryn Sharp | +| [HADOOP-10169](https://issues.apache.org/jira/browse/HADOOP-10169) | remove the unnecessary synchronized in JvmMetrics class | Minor | metrics | Liang Xie | Liang Xie | +| [HADOOP-10167](https://issues.apache.org/jira/browse/HADOOP-10167) | Mark hadoop-common source as UTF-8 in Maven pom files / refactoring | Major | build | Mikhail Antonov | Mikhail Antonov | +| [HADOOP-10164](https://issues.apache.org/jira/browse/HADOOP-10164) | Allow UGI to login with a known Subject | Major | . | Robert Joseph Evans | Robert Joseph Evans | +| [HADOOP-10143](https://issues.apache.org/jira/browse/HADOOP-10143) | replace WritableFactories's hashmap with ConcurrentHashMap | Major | io | Liang Xie | Liang Xie | +| [HADOOP-10132](https://issues.apache.org/jira/browse/HADOOP-10132) | RPC#stopProxy() should log the class of proxy when IllegalArgumentException is encountered | Minor | . | Ted Yu | Ted Yu | +| [HADOOP-10111](https://issues.apache.org/jira/browse/HADOOP-10111) | Allow DU to be initialized with an initial value | Major | . | Kihwal Lee | Kihwal Lee | +| [HADOOP-10095](https://issues.apache.org/jira/browse/HADOOP-10095) | Performance improvement in CodecPool | Minor | io | Nicolas Liochon | Nicolas Liochon | +| [HADOOP-10086](https://issues.apache.org/jira/browse/HADOOP-10086) | User document for authentication in secure cluster | Minor | documentation | Masatake Iwasaki | Masatake Iwasaki | +| [HADOOP-10079](https://issues.apache.org/jira/browse/HADOOP-10079) | log a warning message if group resolution takes too long. | Major | . | Colin Patrick McCabe | Colin Patrick McCabe | +| [HADOOP-10067](https://issues.apache.org/jira/browse/HADOOP-10067) | Missing POM dependency on jsr305 | Minor | . | Robert Rati | Robert Rati | +| [HADOOP-10064](https://issues.apache.org/jira/browse/HADOOP-10064) | Upgrade to maven antrun plugin version 1.7 | Major | build | Arpit Agarwal | Arpit Agarwal | +| [HADOOP-10046](https://issues.apache.org/jira/browse/HADOOP-10046) | Print a log message when SSL is enabled | Trivial | . | David S. Wang | David S. Wang | +| [HADOOP-10005](https://issues.apache.org/jira/browse/HADOOP-10005) | No need to check INFO severity level is enabled or not | Trivial | . | Jackie Chang | Jackie Chang | +| [HADOOP-9998](https://issues.apache.org/jira/browse/HADOOP-9998) | Provide methods to clear only part of the DNSToSwitchMapping | Major | net | Junping Du | Junping Du | +| [HADOOP-9915](https://issues.apache.org/jira/browse/HADOOP-9915) | o.a.h.fs.Stat support on Macosx | Trivial | . | Binglin Chang | Binglin Chang | +| [HADOOP-9909](https://issues.apache.org/jira/browse/HADOOP-9909) | org.apache.hadoop.fs.Stat should permit other LANG | Major | fs | Shinichi Yamashita | | +| [HADOOP-9897](https://issues.apache.org/jira/browse/HADOOP-9897) | Add method to get path start position without drive specifier in o.a.h.fs.Path | Trivial | fs | Binglin Chang | Binglin Chang | +| [HADOOP-9860](https://issues.apache.org/jira/browse/HADOOP-9860) | Remove class HackedKeytab and HackedKeytabEncoder from hadoop-minikdc once jira DIRSERVER-1882 solved | Major | . | Wei Yan | Wei Yan | +| [HADOOP-9784](https://issues.apache.org/jira/browse/HADOOP-9784) | Add a builder for HttpServer | Major | . | Junping Du | Junping Du | +| [HADOOP-9693](https://issues.apache.org/jira/browse/HADOOP-9693) | Shell should add a probe for OSX | Trivial | . | Steve Loughran | | +| [HADOOP-9652](https://issues.apache.org/jira/browse/HADOOP-9652) | Allow RawLocalFs#getFileLinkStatus to fill in the link owner and mode if requested | Major | . | Colin Patrick McCabe | Andrew Wang | +| [HADOOP-9623](https://issues.apache.org/jira/browse/HADOOP-9623) | Update jets3t dependency to 0.9.0 | Major | fs/s3 | Timothy St. Clair | Amandeep Khurana | +| [HADOOP-9611](https://issues.apache.org/jira/browse/HADOOP-9611) | mvn-rpmbuild against google-guice \> 3.0 yields missing cglib dependency | Major | build | Timothy St. Clair | Timothy St. Clair | +| [HADOOP-9594](https://issues.apache.org/jira/browse/HADOOP-9594) | Update apache commons math dependency | Major | build | Timothy St. Clair | Timothy St. Clair | +| [HADOOP-9494](https://issues.apache.org/jira/browse/HADOOP-9494) | Excluded auto-generated and examples code from clover reports | Major | . | Dennis Y | Andrey Klochkov | +| [HADOOP-9487](https://issues.apache.org/jira/browse/HADOOP-9487) | Deprecation warnings in Configuration should go to their own log or otherwise be suppressible | Major | conf | Steve Loughran | | +| [HADOOP-9470](https://issues.apache.org/jira/browse/HADOOP-9470) | eliminate duplicate FQN tests in different Hadoop modules | Major | test | Ivan A. Veselovsky | Ivan A. Veselovsky | +| [HADOOP-9319](https://issues.apache.org/jira/browse/HADOOP-9319) | Update bundled lz4 source to latest version | Major | . | Arpit Agarwal | Binglin Chang | +| [HADOOP-9241](https://issues.apache.org/jira/browse/HADOOP-9241) | DU refresh interval is not configurable | Trivial | . | Harsh J | Harsh J | +| [HADOOP-8704](https://issues.apache.org/jira/browse/HADOOP-8704) | add request logging to jetty/httpserver | Major | . | Thomas Graves | Jonathan Eagles | +| [HDFS-5841](https://issues.apache.org/jira/browse/HDFS-5841) | Update HDFS caching documentation with new changes | Major | . | Andrew Wang | Andrew Wang | +| [HDFS-5833](https://issues.apache.org/jira/browse/HDFS-5833) | SecondaryNameNode have an incorrect java doc | Trivial | namenode | Bangtao Zhou | | +| [HDFS-5825](https://issues.apache.org/jira/browse/HDFS-5825) | Use FileUtils.copyFile() to implement DFSTestUtils.copyFile() | Minor | . | Haohui Mai | Haohui Mai | +| [HDFS-5788](https://issues.apache.org/jira/browse/HDFS-5788) | listLocatedStatus response can be very large | Major | namenode | Nathan Roberts | Nathan Roberts | +| [HDFS-5748](https://issues.apache.org/jira/browse/HDFS-5748) | Too much information shown in the dfs health page. | Major | . | Kihwal Lee | Haohui Mai | +| [HDFS-5721](https://issues.apache.org/jira/browse/HDFS-5721) | sharedEditsImage in Namenode#initializeSharedEdits() should be closed before method returns | Minor | . | Ted Yu | Ted Yu | +| [HDFS-5695](https://issues.apache.org/jira/browse/HDFS-5695) | Clean up TestOfflineEditsViewer and OfflineEditsViewerHelper | Major | test | Haohui Mai | Haohui Mai | +| [HDFS-5677](https://issues.apache.org/jira/browse/HDFS-5677) | Need error checking for HA cluster configuration | Minor | datanode, ha | Vincent Sheffer | Vincent Sheffer | +| [HDFS-5676](https://issues.apache.org/jira/browse/HDFS-5676) | fix inconsistent synchronization of CachingStrategy | Minor | hdfs-client | Colin Patrick McCabe | Colin Patrick McCabe | +| [HDFS-5674](https://issues.apache.org/jira/browse/HDFS-5674) | Editlog code cleanup | Minor | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze | +| [HDFS-5665](https://issues.apache.org/jira/browse/HDFS-5665) | Remove the unnecessary writeLock while initializing CacheManager in FsNameSystem Ctor | Major | namenode | Uma Maheswara Rao G | Uma Maheswara Rao G | +| [HDFS-5663](https://issues.apache.org/jira/browse/HDFS-5663) | make the retry time and interval value configurable in openInfo() | Major | hdfs-client | Liang Xie | Liang Xie | +| [HDFS-5662](https://issues.apache.org/jira/browse/HDFS-5662) | Can't decommission a DataNode due to file's replication factor larger than the rest of the cluster size | Major | namenode | Brandon Li | Brandon Li | +| [HDFS-5652](https://issues.apache.org/jira/browse/HDFS-5652) | refactoring/uniforming invalid block token exception handling in DFSInputStream | Minor | hdfs-client | Liang Xie | Liang Xie | +| [HDFS-5637](https://issues.apache.org/jira/browse/HDFS-5637) | try to refeatchToken while local read InvalidToken occurred | Major | hdfs-client, security | Liang Xie | Liang Xie | +| [HDFS-5633](https://issues.apache.org/jira/browse/HDFS-5633) | Improve OfflineImageViewer to use less memory | Minor | . | Jing Zhao | Jing Zhao | +| [HDFS-5587](https://issues.apache.org/jira/browse/HDFS-5587) | add debug information when NFS fails to start with duplicate user or group names | Minor | nfs | Brandon Li | Brandon Li | +| [HDFS-5577](https://issues.apache.org/jira/browse/HDFS-5577) | NFS user guide update | Trivial | documentation | Brandon Li | Brandon Li | +| [HDFS-5568](https://issues.apache.org/jira/browse/HDFS-5568) | Support inclusion of snapshot paths in Namenode fsck | Major | snapshots | Vinayakumar B | Vinayakumar B | +| [HDFS-5563](https://issues.apache.org/jira/browse/HDFS-5563) | NFS gateway should commit the buffered data when read request comes after write to the same file | Major | nfs | Brandon Li | Brandon Li | +| [HDFS-5561](https://issues.apache.org/jira/browse/HDFS-5561) | FSNameSystem#getNameJournalStatus() in JMX should return plain text instead of HTML | Minor | namenode | Fengdong Yu | Haohui Mai | +| [HDFS-5548](https://issues.apache.org/jira/browse/HDFS-5548) | Use ConcurrentHashMap in portmap | Major | nfs | Haohui Mai | Haohui Mai | +| [HDFS-5532](https://issues.apache.org/jira/browse/HDFS-5532) | Enable the webhdfs by default to support new HDFS web UI | Major | webhdfs | Vinayakumar B | Vinayakumar B | +| [HDFS-5495](https://issues.apache.org/jira/browse/HDFS-5495) | Remove further JUnit3 usages from HDFS | Major | . | Andrew Wang | Jarek Jarcec Cecho | +| [HDFS-5467](https://issues.apache.org/jira/browse/HDFS-5467) | Remove tab characters in hdfs-default.xml | Trivial | . | Andrew Wang | Shinichi Yamashita | +| [HDFS-5399](https://issues.apache.org/jira/browse/HDFS-5399) | Revisit SafeModeException and corresponding retry policies | Major | . | Jing Zhao | Jing Zhao | +| [HDFS-5371](https://issues.apache.org/jira/browse/HDFS-5371) | Let client retry the same NN when "dfs.client.test.drop.namenode.response.number" is enabled | Minor | ha, test | Jing Zhao | Jing Zhao | +| [HDFS-5360](https://issues.apache.org/jira/browse/HDFS-5360) | Improvement of usage message of renameSnapshot and deleteSnapshot | Minor | snapshots | Shinichi Yamashita | Shinichi Yamashita | +| [HDFS-5350](https://issues.apache.org/jira/browse/HDFS-5350) | Name Node should report fsimage transfer time as a metric | Minor | namenode | Rob Weltman | Jimmy Xiang | +| [HDFS-5344](https://issues.apache.org/jira/browse/HDFS-5344) | Make LsSnapshottableDir as Tool interface implementation | Minor | snapshots, tools | sathish | sathish | +| [HDFS-5338](https://issues.apache.org/jira/browse/HDFS-5338) | Add a conf to disable hostname check in DN registration | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze | +| [HDFS-5333](https://issues.apache.org/jira/browse/HDFS-5333) | Improvement of current HDFS Web UI | Major | . | Jing Zhao | Haohui Mai | +| [HDFS-5331](https://issues.apache.org/jira/browse/HDFS-5331) | make SnapshotDiff.java to a o.a.h.util.Tool interface implementation | Major | snapshots | Vinayakumar B | Vinayakumar B | +| [HDFS-5323](https://issues.apache.org/jira/browse/HDFS-5323) | Remove some deadcode in BlockManager | Minor | namenode | Colin Patrick McCabe | Colin Patrick McCabe | +| [HDFS-5267](https://issues.apache.org/jira/browse/HDFS-5267) | Remove volatile from LightWeightHashSet | Minor | . | Junping Du | Junping Du | +| [HDFS-5220](https://issues.apache.org/jira/browse/HDFS-5220) | Expose group resolution time as metric | Major | namenode | Rob Weltman | Jimmy Xiang | +| [HDFS-5207](https://issues.apache.org/jira/browse/HDFS-5207) | In BlockPlacementPolicy, update 2 parameters of chooseTarget() | Major | namenode | Junping Du | Junping Du | +| [HDFS-5188](https://issues.apache.org/jira/browse/HDFS-5188) | Clean up BlockPlacementPolicy and its implementations | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze | +| [HDFS-5144](https://issues.apache.org/jira/browse/HDFS-5144) | Document time unit to NameNodeMetrics.java | Minor | documentation | Akira AJISAKA | Akira AJISAKA | +| [HDFS-5068](https://issues.apache.org/jira/browse/HDFS-5068) | Convert NNThroughputBenchmark to a Tool to allow generic options. | Major | benchmarks | Konstantin Shvachko | Konstantin Shvachko | +| [HDFS-5037](https://issues.apache.org/jira/browse/HDFS-5037) | Active NN should trigger its own edit log rolls | Critical | ha, namenode | Todd Lipcon | Andrew Wang | +| [HDFS-5034](https://issues.apache.org/jira/browse/HDFS-5034) | Remove debug prints from getFileLinkInfo | Trivial | namenode | Andrew Wang | Andrew Wang | +| [HDFS-5004](https://issues.apache.org/jira/browse/HDFS-5004) | Add additional JMX bean for NameNode status data | Major | namenode | Trevor Lorimer | Trevor Lorimer | +| [HDFS-4983](https://issues.apache.org/jira/browse/HDFS-4983) | Numeric usernames do not work with WebHDFS FS | Major | webhdfs | Harsh J | Yongjun Zhang | +| [HDFS-4879](https://issues.apache.org/jira/browse/HDFS-4879) | Add "blocked ArrayList" collection to avoid CMS full GCs | Major | namenode | Todd Lipcon | Todd Lipcon | +| [HDFS-4860](https://issues.apache.org/jira/browse/HDFS-4860) | Add additional attributes to JMX beans | Major | namenode | Trevor Lorimer | Trevor Lorimer | +| [HDFS-4278](https://issues.apache.org/jira/browse/HDFS-4278) | Log an ERROR when DFS\_BLOCK\_ACCESS\_TOKEN\_ENABLE config is disabled but security is turned on. | Major | datanode, namenode | Harsh J | Kousuke Saruta | +| [HDFS-2933](https://issues.apache.org/jira/browse/HDFS-2933) | Improve DataNode Web UI Index Page | Major | datanode | Philip Zeyliger | Vivek Ganesan | +| [MAPREDUCE-5692](https://issues.apache.org/jira/browse/MAPREDUCE-5692) | Add explicit diagnostics when a task attempt is killed due to speculative execution | Major | mrv2 | Gera Shegalov | Gera Shegalov | +| [MAPREDUCE-5672](https://issues.apache.org/jira/browse/MAPREDUCE-5672) | Provide optional RollingFileAppender for container log4j (syslog) | Major | mr-am, mrv2 | Gera Shegalov | Gera Shegalov | +| [MAPREDUCE-5640](https://issues.apache.org/jira/browse/MAPREDUCE-5640) | Rename TestLineRecordReader in jobclient module | Trivial | test | Jason Lowe | Jason Lowe | +| [MAPREDUCE-5601](https://issues.apache.org/jira/browse/MAPREDUCE-5601) | ShuffleHandler fadvises file regions as DONTNEED even when fetch fails | Major | . | Sandy Ryza | Sandy Ryza | +| [MAPREDUCE-5596](https://issues.apache.org/jira/browse/MAPREDUCE-5596) | Allow configuring the number of threads used to serve shuffle connections | Major | . | Sandy Ryza | Sandy Ryza | +| [MAPREDUCE-5487](https://issues.apache.org/jira/browse/MAPREDUCE-5487) | In task processes, JobConf is unnecessarily loaded again in Limits | Major | performance, task | Sandy Ryza | Sandy Ryza | +| [MAPREDUCE-5484](https://issues.apache.org/jira/browse/MAPREDUCE-5484) | YarnChild unnecessarily loads job conf twice | Major | task | Sandy Ryza | Sandy Ryza | +| [MAPREDUCE-5457](https://issues.apache.org/jira/browse/MAPREDUCE-5457) | Add a KeyOnlyTextOutputReader to enable streaming to write out text files without separators | Major | . | Sandy Ryza | Sandy Ryza | +| [MAPREDUCE-3310](https://issues.apache.org/jira/browse/MAPREDUCE-3310) | Custom grouping comparator cannot be set for Combiners | Major | client | Mathias Herberts | Alejandro Abdelnur | +| [MAPREDUCE-2734](https://issues.apache.org/jira/browse/MAPREDUCE-2734) | DistCp with FairScheduler assign all map tasks in one TT | Trivial | jobtracker | Bochun Bai | Bochun Bai | +| [MAPREDUCE-434](https://issues.apache.org/jira/browse/MAPREDUCE-434) | LocalJobRunner limited to single reducer | Minor | . | Yoram Arnon | Aaron Kimball | +| [YARN-1623](https://issues.apache.org/jira/browse/YARN-1623) | Include queue name in RegisterApplicationMasterResponse | Major | scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1616](https://issues.apache.org/jira/browse/YARN-1616) | RMFatalEventDispatcher should log the cause of the event | Trivial | resourcemanager | Karthik Kambatla | Karthik Kambatla | +| [YARN-1567](https://issues.apache.org/jira/browse/YARN-1567) | In Fair Scheduler, allow empty queues to change between leaf and parent on allocation file reload | Major | scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1423](https://issues.apache.org/jira/browse/YARN-1423) | Support queue placement by secondary group in the Fair Scheduler | Major | scheduler | Sandy Ryza | Ted Malaska | +| [YARN-1403](https://issues.apache.org/jira/browse/YARN-1403) | Separate out configuration loading from QueueManager in the Fair Scheduler | Major | . | Sandy Ryza | Sandy Ryza | +| [YARN-1387](https://issues.apache.org/jira/browse/YARN-1387) | RMWebServices should use ClientRMService for filtering applications | Major | api | Karthik Kambatla | Karthik Kambatla | +| [YARN-1335](https://issues.apache.org/jira/browse/YARN-1335) | Move duplicate code from FSSchedulerApp and FiCaSchedulerApp into SchedulerApplication | Major | scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1333](https://issues.apache.org/jira/browse/YARN-1333) | Support blacklisting in the Fair Scheduler | Major | scheduler | Sandy Ryza | Tsuyoshi Ozawa | +| [YARN-1332](https://issues.apache.org/jira/browse/YARN-1332) | In TestAMRMClient, replace assertTrue with assertEquals where possible | Minor | . | Sandy Ryza | Sebastian Wong | +| [YARN-1303](https://issues.apache.org/jira/browse/YARN-1303) | Allow multiple commands separating with ";" in distributed-shell | Major | applications/distributed-shell | Tassapol Athiapinya | Xuan Gong | +| [YARN-1290](https://issues.apache.org/jira/browse/YARN-1290) | Let continuous scheduling achieve more balanced task assignment | Major | . | Wei Yan | Wei Yan | +| [YARN-1258](https://issues.apache.org/jira/browse/YARN-1258) | Allow configuring the Fair Scheduler root queue | Major | scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1199](https://issues.apache.org/jira/browse/YARN-1199) | Make NM/RM Versions Available | Major | . | Mit Desai | Mit Desai | +| [YARN-1109](https://issues.apache.org/jira/browse/YARN-1109) | Demote NodeManager "Sending out status for container" logs to debug | Major | nodemanager | Sandy Ryza | haosdent | +| [YARN-1010](https://issues.apache.org/jira/browse/YARN-1010) | FairScheduler: decouple container scheduling from nodemanager heartbeats | Critical | scheduler | Alejandro Abdelnur | Wei Yan | +| [YARN-985](https://issues.apache.org/jira/browse/YARN-985) | Nodemanager should log where a resource was localized | Major | nodemanager | Ravi Prakash | Ravi Prakash | +| [YARN-905](https://issues.apache.org/jira/browse/YARN-905) | Add state filters to nodes CLI | Major | . | Sandy Ryza | Wei Yan | +| [YARN-807](https://issues.apache.org/jira/browse/YARN-807) | When querying apps by queue, iterating over all apps is inefficient and limiting | Major | . | Sandy Ryza | Sandy Ryza | +| [YARN-786](https://issues.apache.org/jira/browse/YARN-786) | Expose application resource usage in RM REST API | Major | . | Sandy Ryza | Sandy Ryza | + + +### BUG FIXES: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [HADOOP-10317](https://issues.apache.org/jira/browse/HADOOP-10317) | Rename branch-2.3 release version from 2.4.0-SNAPSHOT to 2.3.0-SNAPSHOT | Major | . | Andrew Wang | Andrew Wang | +| [HADOOP-10313](https://issues.apache.org/jira/browse/HADOOP-10313) | Script and jenkins job to produce Hadoop release artifacts | Major | build | Alejandro Abdelnur | Alejandro Abdelnur | +| [HADOOP-10311](https://issues.apache.org/jira/browse/HADOOP-10311) | Cleanup vendor names from the code base | Blocker | . | Suresh Srinivas | Alejandro Abdelnur | +| [HADOOP-10310](https://issues.apache.org/jira/browse/HADOOP-10310) | SaslRpcServer should be initialized even when no secret manager present | Blocker | security | Aaron T. Myers | Aaron T. Myers | +| [HADOOP-10305](https://issues.apache.org/jira/browse/HADOOP-10305) | Add "rpc.metrics.quantile.enable" and "rpc.metrics.percentiles.intervals" to core-default.xml | Major | metrics | Akira AJISAKA | Akira AJISAKA | +| [HADOOP-10292](https://issues.apache.org/jira/browse/HADOOP-10292) | Restore HttpServer from branch-2.2 in branch-2 | Major | . | Haohui Mai | Haohui Mai | +| [HADOOP-10291](https://issues.apache.org/jira/browse/HADOOP-10291) | TestSecurityUtil#testSocketAddrWithIP fails | Major | . | Mit Desai | Mit Desai | +| [HADOOP-10288](https://issues.apache.org/jira/browse/HADOOP-10288) | Explicit reference to Log4JLogger breaks non-log4j users | Major | util | Todd Lipcon | Todd Lipcon | +| [HADOOP-10273](https://issues.apache.org/jira/browse/HADOOP-10273) | Fix 'mvn site' | Major | build | Arpit Agarwal | Arpit Agarwal | +| [HADOOP-10255](https://issues.apache.org/jira/browse/HADOOP-10255) | Rename HttpServer to HttpServer2 to retain older HttpServer in branch-2 for compatibility | Blocker | . | Haohui Mai | Haohui Mai | +| [HADOOP-10252](https://issues.apache.org/jira/browse/HADOOP-10252) | HttpServer can't start if hostname is not specified | Major | . | Jimmy Xiang | Jimmy Xiang | +| [HADOOP-10250](https://issues.apache.org/jira/browse/HADOOP-10250) | VersionUtil returns wrong value when comparing two versions | Major | . | Yongjun Zhang | Yongjun Zhang | +| [HADOOP-10240](https://issues.apache.org/jira/browse/HADOOP-10240) | Windows build instructions incorrectly state requirement of protoc 2.4.1 instead of 2.5.0 | Trivial | documentation | Chris Nauroth | Chris Nauroth | +| [HADOOP-10236](https://issues.apache.org/jira/browse/HADOOP-10236) | Fix typo in o.a.h.ipc.Client#checkResponse | Trivial | . | Akira AJISAKA | Akira AJISAKA | +| [HADOOP-10235](https://issues.apache.org/jira/browse/HADOOP-10235) | Hadoop tarball has 2 versions of stax-api JARs | Major | build | Alejandro Abdelnur | Alejandro Abdelnur | +| [HADOOP-10234](https://issues.apache.org/jira/browse/HADOOP-10234) | "hadoop.cmd jar" does not propagate exit code. | Major | scripts | Chris Nauroth | Chris Nauroth | +| [HADOOP-10223](https://issues.apache.org/jira/browse/HADOOP-10223) | MiniKdc#main() should close the FileReader it creates | Minor | . | Ted Yu | Ted Yu | +| [HADOOP-10214](https://issues.apache.org/jira/browse/HADOOP-10214) | Fix multithreaded correctness warnings in ActiveStandbyElector | Major | ha | Liang Xie | Liang Xie | +| [HADOOP-10212](https://issues.apache.org/jira/browse/HADOOP-10212) | Incorrect compile command in Native Library document | Major | documentation | Akira AJISAKA | Akira AJISAKA | +| [HADOOP-10203](https://issues.apache.org/jira/browse/HADOOP-10203) | Connection leak in Jets3tNativeFileSystemStore#retrieveMetadata | Major | fs/s3 | Andrei Savu | Andrei Savu | +| [HADOOP-10193](https://issues.apache.org/jira/browse/HADOOP-10193) | hadoop-auth's PseudoAuthenticationHandler can consume getInputStream | Minor | security | Gregory Chanan | Gregory Chanan | +| [HADOOP-10178](https://issues.apache.org/jira/browse/HADOOP-10178) | Configuration deprecation always emit "deprecated" warnings when a new key is used | Major | conf | shanyu zhao | shanyu zhao | +| [HADOOP-10175](https://issues.apache.org/jira/browse/HADOOP-10175) | Har files system authority should preserve userinfo | Major | fs | Chuan Liu | Chuan Liu | +| [HADOOP-10171](https://issues.apache.org/jira/browse/HADOOP-10171) | TestRPC fails intermittently on jkd7 | Major | . | Mit Desai | Mit Desai | +| [HADOOP-10168](https://issues.apache.org/jira/browse/HADOOP-10168) | fix javadoc of ReflectionUtils.copy | Major | . | Thejas M Nair | Thejas M Nair | +| [HADOOP-10162](https://issues.apache.org/jira/browse/HADOOP-10162) | Fix symlink-related test failures in TestFileContextResolveAfs and TestStat in branch-2 | Major | . | Mit Desai | Mit Desai | +| [HADOOP-10147](https://issues.apache.org/jira/browse/HADOOP-10147) | Upgrade to commons-logging 1.1.3 to avoid potential deadlock in MiniDFSCluster | Minor | build | Eric Sirianni | Steve Loughran | +| [HADOOP-10146](https://issues.apache.org/jira/browse/HADOOP-10146) | Workaround JDK7 Process fd close bug | Critical | util | Daryn Sharp | Daryn Sharp | +| [HADOOP-10142](https://issues.apache.org/jira/browse/HADOOP-10142) | Avoid groups lookup for unprivileged users such as "dr.who" | Major | . | Vinayakumar B | Vinayakumar B | +| [HADOOP-10135](https://issues.apache.org/jira/browse/HADOOP-10135) | writes to swift fs over partition size leave temp files and empty output file | Major | fs | David Dobbins | David Dobbins | +| [HADOOP-10130](https://issues.apache.org/jira/browse/HADOOP-10130) | RawLocalFS::LocalFSFileInputStream.pread does not track FS::Statistics | Minor | . | Binglin Chang | Binglin Chang | +| [HADOOP-10129](https://issues.apache.org/jira/browse/HADOOP-10129) | Distcp may succeed when it fails | Critical | tools/distcp | Daryn Sharp | Daryn Sharp | +| [HADOOP-10127](https://issues.apache.org/jira/browse/HADOOP-10127) | Add ipc.client.connect.retry.interval to control the frequency of connection retries | Major | ipc | Karthik Kambatla | Karthik Kambatla | +| [HADOOP-10126](https://issues.apache.org/jira/browse/HADOOP-10126) | LightWeightGSet log message is confusing : "2.0% max memory = 2.0 GB" | Minor | util | Vinayakumar B | Vinayakumar B | +| [HADOOP-10125](https://issues.apache.org/jira/browse/HADOOP-10125) | no need to process RPC request if the client connection has been dropped | Major | ipc | Ming Ma | Ming Ma | +| [HADOOP-10112](https://issues.apache.org/jira/browse/HADOOP-10112) | har file listing doesn't work with wild card | Major | tools | Brandon Li | Brandon Li | +| [HADOOP-10110](https://issues.apache.org/jira/browse/HADOOP-10110) | hadoop-auth has a build break due to missing dependency | Blocker | build | Chuan Liu | Chuan Liu | +| [HADOOP-10106](https://issues.apache.org/jira/browse/HADOOP-10106) | Incorrect thread name in RPC log messages | Minor | . | Ming Ma | Ming Ma | +| [HADOOP-10100](https://issues.apache.org/jira/browse/HADOOP-10100) | MiniKDC shouldn't use apacheds-all artifact | Major | . | Robert Kanter | Robert Kanter | +| [HADOOP-10094](https://issues.apache.org/jira/browse/HADOOP-10094) | NPE in GenericOptionsParser#preProcessForWindows() | Trivial | util | Enis Soztutar | Enis Soztutar | +| [HADOOP-10093](https://issues.apache.org/jira/browse/HADOOP-10093) | hadoop-env.cmd sets HADOOP\_CLIENT\_OPTS with a max heap size that is too small. | Major | conf | shanyu zhao | shanyu zhao | +| [HADOOP-10090](https://issues.apache.org/jira/browse/HADOOP-10090) | Jobtracker metrics not updated properly after execution of a mapreduce job | Major | metrics | Ivan Mitic | Ivan Mitic | +| [HADOOP-10088](https://issues.apache.org/jira/browse/HADOOP-10088) | copy-nativedistlibs.sh needs to quote snappy lib dir | Major | build | Raja Aluri | Raja Aluri | +| [HADOOP-10087](https://issues.apache.org/jira/browse/HADOOP-10087) | UserGroupInformation.getGroupNames() fails to return primary group first when JniBasedUnixGroupsMappingWithFallback is used | Major | security | Yu Gao | Colin Patrick McCabe | +| [HADOOP-10081](https://issues.apache.org/jira/browse/HADOOP-10081) | Client.setupIOStreams can leak socket resources on exception or error | Critical | ipc | Jason Lowe | Tsuyoshi Ozawa | +| [HADOOP-10078](https://issues.apache.org/jira/browse/HADOOP-10078) | KerberosAuthenticator always does SPNEGO | Minor | security | Robert Kanter | Robert Kanter | +| [HADOOP-10072](https://issues.apache.org/jira/browse/HADOOP-10072) | TestNfsExports#testMultiMatchers fails due to non-deterministic timing around cache expiry check. | Trivial | nfs, test | Chris Nauroth | Chris Nauroth | +| [HADOOP-10058](https://issues.apache.org/jira/browse/HADOOP-10058) | TestMetricsSystemImpl#testInitFirstVerifyStopInvokedImmediately fails on trunk | Minor | metrics | Akira AJISAKA | Chen He | +| [HADOOP-10055](https://issues.apache.org/jira/browse/HADOOP-10055) | FileSystemShell.apt.vm doc has typo "numRepicas" | Trivial | documentation | Eli Collins | Akira AJISAKA | +| [HADOOP-10040](https://issues.apache.org/jira/browse/HADOOP-10040) | hadoop.cmd in UNIX format and would not run by default on Windows | Major | . | Yingda Chen | Chris Nauroth | +| [HADOOP-10039](https://issues.apache.org/jira/browse/HADOOP-10039) | Add Hive to the list of projects using AbstractDelegationTokenSecretManager | Major | security | Suresh Srinivas | Haohui Mai | +| [HADOOP-10031](https://issues.apache.org/jira/browse/HADOOP-10031) | FsShell -get/copyToLocal/moveFromLocal should support Windows local path | Major | fs | Chuan Liu | Chuan Liu | +| [HADOOP-10030](https://issues.apache.org/jira/browse/HADOOP-10030) | FsShell -put/copyFromLocal should support Windows local path | Major | . | Chuan Liu | Chuan Liu | +| [HADOOP-10029](https://issues.apache.org/jira/browse/HADOOP-10029) | Specifying har file to MR job fails in secure cluster | Major | fs | Suresh Srinivas | Suresh Srinivas | +| [HADOOP-10028](https://issues.apache.org/jira/browse/HADOOP-10028) | Malformed ssl-server.xml.example | Minor | . | Jing Zhao | Haohui Mai | +| [HADOOP-10006](https://issues.apache.org/jira/browse/HADOOP-10006) | Compilation failure in trunk for o.a.h.fs.swift.util.JSONUtil | Blocker | fs, util | Junping Du | Junping Du | +| [HADOOP-9982](https://issues.apache.org/jira/browse/HADOOP-9982) | Fix dead links in hadoop site docs | Major | documentation | Akira AJISAKA | Akira AJISAKA | +| [HADOOP-9981](https://issues.apache.org/jira/browse/HADOOP-9981) | globStatus should minimize its listStatus and getFileStatus calls | Critical | . | Kihwal Lee | Colin Patrick McCabe | +| [HADOOP-9964](https://issues.apache.org/jira/browse/HADOOP-9964) | O.A.H.U.ReflectionUtils.printThreadInfo() is not thread-safe which cause TestHttpServer pending 10 minutes or longer. | Major | util | Junping Du | Junping Du | +| [HADOOP-9929](https://issues.apache.org/jira/browse/HADOOP-9929) | Insufficient permissions for a path reported as file not found | Major | fs | Jason Lowe | Colin Patrick McCabe | +| [HADOOP-9908](https://issues.apache.org/jira/browse/HADOOP-9908) | Fix NPE when versioninfo properties file is missing | Major | util | Todd Lipcon | Todd Lipcon | +| [HADOOP-9898](https://issues.apache.org/jira/browse/HADOOP-9898) | Set SO\_KEEPALIVE on all our sockets | Minor | ipc, net | Todd Lipcon | Todd Lipcon | +| [HADOOP-9889](https://issues.apache.org/jira/browse/HADOOP-9889) | Refresh the Krb5 configuration when creating a new kdc in Hadoop-MiniKDC | Major | . | Wei Yan | Wei Yan | +| [HADOOP-9887](https://issues.apache.org/jira/browse/HADOOP-9887) | globStatus does not correctly handle paths starting with a drive spec on Windows | Major | fs | Chris Nauroth | Chuan Liu | +| [HADOOP-9875](https://issues.apache.org/jira/browse/HADOOP-9875) | TestDoAsEffectiveUser can fail on JDK 7 | Minor | test | Aaron T. Myers | Aaron T. Myers | +| [HADOOP-9871](https://issues.apache.org/jira/browse/HADOOP-9871) | Fix intermittent findbug warnings in DefaultMetricsSystem | Minor | . | Luke Lu | Junping Du | +| [HADOOP-9865](https://issues.apache.org/jira/browse/HADOOP-9865) | FileContext.globStatus() has a regression with respect to relative path | Major | . | Chuan Liu | Chuan Liu | +| [HADOOP-9847](https://issues.apache.org/jira/browse/HADOOP-9847) | TestGlobPath symlink tests fail to cleanup properly | Minor | . | Andrew Wang | Colin Patrick McCabe | +| [HADOOP-9830](https://issues.apache.org/jira/browse/HADOOP-9830) | Typo at http://hadoop.apache.org/docs/current/ | Trivial | documentation | Dmitry Lysnichenko | Kousuke Saruta | +| [HADOOP-9817](https://issues.apache.org/jira/browse/HADOOP-9817) | FileSystem#globStatus and FileContext#globStatus need to work with symlinks | Major | . | Colin Patrick McCabe | Colin Patrick McCabe | +| [HADOOP-9791](https://issues.apache.org/jira/browse/HADOOP-9791) | Add a test case covering long paths for new FileUtil access check methods | Major | . | Ivan Mitic | Ivan Mitic | +| [HADOOP-9787](https://issues.apache.org/jira/browse/HADOOP-9787) | ShutdownHelper util to shutdown threads and threadpools | Major | util | Karthik Kambatla | Karthik Kambatla | +| [HADOOP-9703](https://issues.apache.org/jira/browse/HADOOP-9703) | org.apache.hadoop.ipc.Client leaks threads on stop. | Minor | . | Mark Miller | Tsuyoshi Ozawa | +| [HADOOP-9660](https://issues.apache.org/jira/browse/HADOOP-9660) | [WINDOWS] Powershell / cmd parses -Dkey=value from command line as [-Dkey, value] which breaks GenericsOptionParser | Major | scripts, util | Enis Soztutar | Enis Soztutar | +| [HADOOP-9635](https://issues.apache.org/jira/browse/HADOOP-9635) | Fix Potential Stack Overflow in DomainSocket.c | Major | native | V. Karthik Kumar | | +| [HADOOP-9582](https://issues.apache.org/jira/browse/HADOOP-9582) | Non-existent file to "hadoop fs -conf" doesn't throw error | Major | conf | Ashwin Shankar | Ashwin Shankar | +| [HADOOP-9478](https://issues.apache.org/jira/browse/HADOOP-9478) | Fix race conditions during the initialization of Configuration related to deprecatedKeyMap | Major | conf | Dongyong Wang | Colin Patrick McCabe | +| [HADOOP-9420](https://issues.apache.org/jira/browse/HADOOP-9420) | Add percentile or max metric for rpcQueueTime, processing time | Major | ipc, metrics | Todd Lipcon | Liang Xie | +| [HADOOP-9350](https://issues.apache.org/jira/browse/HADOOP-9350) | Hadoop not building against Java7 on OSX | Minor | build | Steve Loughran | Robert Kanter | +| [HADOOP-9114](https://issues.apache.org/jira/browse/HADOOP-9114) | After defined the dfs.checksum.type as the NULL, write file and hflush will through java.lang.ArrayIndexOutOfBoundsException | Minor | . | liuyang | sathish | +| [HADOOP-9016](https://issues.apache.org/jira/browse/HADOOP-9016) | org.apache.hadoop.fs.HarFileSystem.HarFSDataInputStream.HarFsInputStream.skip(long) must never return negative value. | Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky | +| [HADOOP-8753](https://issues.apache.org/jira/browse/HADOOP-8753) | LocalDirAllocator throws "ArithmeticException: / by zero" when there is no available space on configured local dir | Minor | . | Nishan Shetty | Benoy Antony | +| [HADOOP-7344](https://issues.apache.org/jira/browse/HADOOP-7344) | globStatus doesn't grok groupings with a slash | Major | fs | Daryn Sharp | Colin Patrick McCabe | +| [HDFS-5921](https://issues.apache.org/jira/browse/HDFS-5921) | Cannot browse file system via NN web UI if any directory has the sticky bit set | Critical | namenode | Aaron T. Myers | Aaron T. Myers | +| [HDFS-5876](https://issues.apache.org/jira/browse/HDFS-5876) | SecureDataNodeStarter does not pick up configuration in hdfs-site.xml | Major | datanode | Haohui Mai | Haohui Mai | +| [HDFS-5873](https://issues.apache.org/jira/browse/HDFS-5873) | dfs.http.policy should have higher precedence over dfs.https.enable | Major | . | Yesha Vora | Haohui Mai | +| [HDFS-5845](https://issues.apache.org/jira/browse/HDFS-5845) | SecondaryNameNode dies when checkpointing with cache pools | Blocker | namenode | Andrew Wang | Andrew Wang | +| [HDFS-5844](https://issues.apache.org/jira/browse/HDFS-5844) | Fix broken link in WebHDFS.apt.vm | Minor | documentation | Akira AJISAKA | Akira AJISAKA | +| [HDFS-5842](https://issues.apache.org/jira/browse/HDFS-5842) | Cannot create hftp filesystem when using a proxy user ugi and a doAs on a secure cluster | Major | security | Arpit Gupta | Jing Zhao | +| [HDFS-5837](https://issues.apache.org/jira/browse/HDFS-5837) | dfs.namenode.replication.considerLoad does not consider decommissioned nodes | Major | namenode | Bryan Beaudreault | Tao Luo | +| [HDFS-5830](https://issues.apache.org/jira/browse/HDFS-5830) | WebHdfsFileSystem.getFileBlockLocations throws IllegalArgumentException when accessing another cluster. | Blocker | caching, hdfs-client | Yongjun Zhang | Yongjun Zhang | +| [HDFS-5806](https://issues.apache.org/jira/browse/HDFS-5806) | balancer should set SoTimeout to avoid indefinite hangs | Major | balancer & mover | Nathan Roberts | Nathan Roberts | +| [HDFS-5800](https://issues.apache.org/jira/browse/HDFS-5800) | Typo: soft-limit for hard-limit in DFSClient | Trivial | hdfs-client | Kousuke Saruta | Kousuke Saruta | +| [HDFS-5789](https://issues.apache.org/jira/browse/HDFS-5789) | Some of snapshot APIs missing checkOperation double check in fsn | Major | namenode | Uma Maheswara Rao G | Uma Maheswara Rao G | +| [HDFS-5777](https://issues.apache.org/jira/browse/HDFS-5777) | Update LayoutVersion for the new editlog op OP\_ADD\_BLOCK | Major | namenode | Jing Zhao | Jing Zhao | +| [HDFS-5766](https://issues.apache.org/jira/browse/HDFS-5766) | In DFSInputStream, do not add datanode to deadNodes after InvalidEncryptionKeyException in fetchBlockByteRange | Major | hdfs-client | Liang Xie | Liang Xie | +| [HDFS-5762](https://issues.apache.org/jira/browse/HDFS-5762) | BlockReaderLocal doesn't return -1 on EOF when doing zero-length reads | Major | . | Colin Patrick McCabe | Colin Patrick McCabe | +| [HDFS-5756](https://issues.apache.org/jira/browse/HDFS-5756) | hadoopRzOptionsSetByteBufferPool does not accept NULL argument, contrary to docs | Major | libhdfs | Colin Patrick McCabe | Colin Patrick McCabe | +| [HDFS-5747](https://issues.apache.org/jira/browse/HDFS-5747) | BlocksMap.getStoredBlock(..) and BlockInfoUnderConstruction.addReplicaIfNotPresent(..) may throw NullPointerException | Minor | namenode | Tsz Wo Nicholas Sze | Arpit Agarwal | +| [HDFS-5728](https://issues.apache.org/jira/browse/HDFS-5728) | [Diskfull] Block recovery will fail if the metafile does not have crc for all chunks of the block | Critical | datanode | Vinayakumar B | Vinayakumar B | +| [HDFS-5719](https://issues.apache.org/jira/browse/HDFS-5719) | FSImage#doRollback() should close prevState before return | Minor | namenode | Ted Yu | Ted Yu | +| [HDFS-5710](https://issues.apache.org/jira/browse/HDFS-5710) | FSDirectory#getFullPathName should check inodes against null | Major | . | Ted Yu | Uma Maheswara Rao G | +| [HDFS-5704](https://issues.apache.org/jira/browse/HDFS-5704) | Change OP\_UPDATE\_BLOCKS with a new OP\_ADD\_BLOCK | Major | namenode | Suresh Srinivas | Jing Zhao | +| [HDFS-5701](https://issues.apache.org/jira/browse/HDFS-5701) | Fix the CacheAdmin -addPool -maxTtl option name | Minor | caching, tools | Stephen Chu | Stephen Chu | +| [HDFS-5691](https://issues.apache.org/jira/browse/HDFS-5691) | Fix typo in ShortCircuitLocalRead document | Minor | documentation | Akira AJISAKA | Akira AJISAKA | +| [HDFS-5690](https://issues.apache.org/jira/browse/HDFS-5690) | DataNode fails to start in secure mode when dfs.http.policy equals to HTTP\_ONLY | Blocker | . | Haohui Mai | Haohui Mai | +| [HDFS-5681](https://issues.apache.org/jira/browse/HDFS-5681) | renewLease should not hold fsn write lock | Major | namenode | Daryn Sharp | Daryn Sharp | +| [HDFS-5675](https://issues.apache.org/jira/browse/HDFS-5675) | Add Mkdirs operation to NNThroughputBenchmark | Minor | benchmarks | Plamen Jeliazkov | Plamen Jeliazkov | +| [HDFS-5671](https://issues.apache.org/jira/browse/HDFS-5671) | Fix socket leak in DFSInputStream#getBlockReader | Critical | hdfs-client | JamesLi | JamesLi | +| [HDFS-5666](https://issues.apache.org/jira/browse/HDFS-5666) | Fix inconsistent synchronization in BPOfferService | Minor | namenode | Colin Patrick McCabe | Jimmy Xiang | +| [HDFS-5661](https://issues.apache.org/jira/browse/HDFS-5661) | Browsing FileSystem via web ui, should use datanode's fqdn instead of ip address | Major | security | Benoy Antony | Benoy Antony | +| [HDFS-5659](https://issues.apache.org/jira/browse/HDFS-5659) | dfsadmin -report doesn't output cache information properly | Major | caching | Akira AJISAKA | Andrew Wang | +| [HDFS-5657](https://issues.apache.org/jira/browse/HDFS-5657) | race condition causes writeback state error in NFS gateway | Major | nfs | Brandon Li | Brandon Li | +| [HDFS-5649](https://issues.apache.org/jira/browse/HDFS-5649) | Unregister NFS and Mount service when NFS gateway is shutting down | Major | nfs | Brandon Li | Brandon Li | +| [HDFS-5592](https://issues.apache.org/jira/browse/HDFS-5592) | "DIR\* completeFile: /file is closed by DFSClient\_" should be logged only for successful closure of the file. | Major | . | Vinayakumar B | Vinayakumar B | +| [HDFS-5590](https://issues.apache.org/jira/browse/HDFS-5590) | Block ID and generation stamp may be reused when persistBlocks is set to false | Major | . | Jing Zhao | Jing Zhao | +| [HDFS-5582](https://issues.apache.org/jira/browse/HDFS-5582) | hdfs getconf -excludeFile or -includeFile always failed | Minor | . | Henry Hung | sathish | +| [HDFS-5581](https://issues.apache.org/jira/browse/HDFS-5581) | NameNodeFsck should use only one instance of BlockPlacementPolicy | Major | namenode | Vinayakumar B | Vinayakumar B | +| [HDFS-5580](https://issues.apache.org/jira/browse/HDFS-5580) | Infinite loop in Balancer.waitForMoveCompletion | Major | . | Binglin Chang | Binglin Chang | +| [HDFS-5579](https://issues.apache.org/jira/browse/HDFS-5579) | Under construction files make DataNode decommission take very long hours | Major | namenode | zhaoyunjiong | zhaoyunjiong | +| [HDFS-5562](https://issues.apache.org/jira/browse/HDFS-5562) | TestCacheDirectives and TestFsDatasetCache should stub out native mlock | Major | test | Akira AJISAKA | Colin Patrick McCabe | +| [HDFS-5560](https://issues.apache.org/jira/browse/HDFS-5560) | Trash configuration log statements prints incorrect units | Major | . | Josh Elser | Josh Elser | +| [HDFS-5558](https://issues.apache.org/jira/browse/HDFS-5558) | LeaseManager monitor thread can crash if the last block is complete but another block is not. | Major | . | Kihwal Lee | Kihwal Lee | +| [HDFS-5557](https://issues.apache.org/jira/browse/HDFS-5557) | Write pipeline recovery for the last packet in the block may cause rejection of valid replicas | Critical | . | Kihwal Lee | Kihwal Lee | +| [HDFS-5555](https://issues.apache.org/jira/browse/HDFS-5555) | CacheAdmin commands fail when first listed NameNode is in Standby | Major | caching | Stephen Chu | Jimmy Xiang | +| [HDFS-5552](https://issues.apache.org/jira/browse/HDFS-5552) | Fix wrong information of "Cluster summay" in dfshealth.html | Major | namenode | Shinichi Yamashita | Haohui Mai | +| [HDFS-5544](https://issues.apache.org/jira/browse/HDFS-5544) | Adding Test case For Checking dfs.checksum type as NULL value | Minor | hdfs-client | sathish | sathish | +| [HDFS-5540](https://issues.apache.org/jira/browse/HDFS-5540) | Fix intermittent failure in TestBlocksWithNotEnoughRacks | Minor | . | Binglin Chang | Binglin Chang | +| [HDFS-5533](https://issues.apache.org/jira/browse/HDFS-5533) | Symlink delete/create should be treated as DELETE/CREATE in snapshot diff report | Minor | snapshots | Binglin Chang | Binglin Chang | +| [HDFS-5526](https://issues.apache.org/jira/browse/HDFS-5526) | Datanode cannot roll back to previous layout version | Blocker | datanode | Tsz Wo Nicholas Sze | Kihwal Lee | +| [HDFS-5513](https://issues.apache.org/jira/browse/HDFS-5513) | CacheAdmin commands fail when using . as the path | Minor | caching, tools | Stephen Chu | Andrew Wang | +| [HDFS-5512](https://issues.apache.org/jira/browse/HDFS-5512) | CacheAdmin -listPools fails with NPE when user lacks permissions to view all pools | Major | caching, tools | Stephen Chu | Andrew Wang | +| [HDFS-5504](https://issues.apache.org/jira/browse/HDFS-5504) | In HA mode, OP\_DELETE\_SNAPSHOT is not decrementing the safemode threshold, leads to NN safemode. | Major | snapshots | Vinayakumar B | Vinayakumar B | +| [HDFS-5482](https://issues.apache.org/jira/browse/HDFS-5482) | DistributedFileSystem#listPathBasedCacheDirectives must support relative paths | Major | tools | Stephen Chu | Colin Patrick McCabe | +| [HDFS-5476](https://issues.apache.org/jira/browse/HDFS-5476) | Snapshot: clean the blocks/files/directories under a renamed file/directory while deletion | Major | . | Jing Zhao | Jing Zhao | +| [HDFS-5474](https://issues.apache.org/jira/browse/HDFS-5474) | Deletesnapshot can make Namenode in safemode on NN restarts. | Major | snapshots | Uma Maheswara Rao G | sathish | +| [HDFS-5471](https://issues.apache.org/jira/browse/HDFS-5471) | CacheAdmin -listPools fails when user lacks permissions to view all pools | Major | tools | Stephen Chu | Andrew Wang | +| [HDFS-5468](https://issues.apache.org/jira/browse/HDFS-5468) | CacheAdmin help command does not recognize commands | Minor | tools | Stephen Chu | Stephen Chu | +| [HDFS-5458](https://issues.apache.org/jira/browse/HDFS-5458) | Datanode failed volume threshold ignored if exception is thrown in getDataDirsFromURIs | Major | datanode | Andrew Wang | Mike Mellenthin | +| [HDFS-5456](https://issues.apache.org/jira/browse/HDFS-5456) | NameNode startup progress creates new steps if caller attempts to create a counter for a step that doesn't already exist. | Critical | namenode | Chris Nauroth | Chris Nauroth | +| [HDFS-5449](https://issues.apache.org/jira/browse/HDFS-5449) | WebHdfs compatibility broken between 2.2 and 1.x / 23.x | Blocker | . | Kihwal Lee | Kihwal Lee | +| [HDFS-5443](https://issues.apache.org/jira/browse/HDFS-5443) | Delete 0-sized block when deleting an under-construction file that is included in snapshot | Major | snapshots | Uma Maheswara Rao G | Jing Zhao | +| [HDFS-5438](https://issues.apache.org/jira/browse/HDFS-5438) | Flaws in block report processing can cause data loss | Critical | namenode | Kihwal Lee | Kihwal Lee | +| [HDFS-5434](https://issues.apache.org/jira/browse/HDFS-5434) | Write resiliency for replica count 1 | Minor | namenode | Taylor, Buddy | | +| [HDFS-5433](https://issues.apache.org/jira/browse/HDFS-5433) | When reloading fsimage during checkpointing, we should clear existing snapshottable directories | Critical | snapshots | Aaron T. Myers | Aaron T. Myers | +| [HDFS-5432](https://issues.apache.org/jira/browse/HDFS-5432) | TestDatanodeJsp fails on Windows due to assumption that loopback address resolves to host name localhost. | Trivial | datanode, test | Chris Nauroth | Chris Nauroth | +| [HDFS-5428](https://issues.apache.org/jira/browse/HDFS-5428) | under construction files deletion after snapshot+checkpoint+nn restart leads nn safemode | Major | snapshots | Vinayakumar B | Jing Zhao | +| [HDFS-5427](https://issues.apache.org/jira/browse/HDFS-5427) | not able to read deleted files from snapshot directly under snapshottable dir after checkpoint and NN restart | Major | snapshots | Vinayakumar B | Vinayakumar B | +| [HDFS-5425](https://issues.apache.org/jira/browse/HDFS-5425) | Renaming underconstruction file with snapshots can make NN failure on restart | Major | namenode, snapshots | sathish | Jing Zhao | +| [HDFS-5413](https://issues.apache.org/jira/browse/HDFS-5413) | hdfs.cmd does not support passthrough to any arbitrary class. | Major | scripts | Chris Nauroth | Chris Nauroth | +| [HDFS-5407](https://issues.apache.org/jira/browse/HDFS-5407) | Fix typos in DFSClientCache | Trivial | . | Haohui Mai | Haohui Mai | +| [HDFS-5403](https://issues.apache.org/jira/browse/HDFS-5403) | WebHdfs client cannot communicate with older WebHdfs servers post HDFS-5306 | Major | webhdfs | Aaron T. Myers | Aaron T. Myers | +| [HDFS-5400](https://issues.apache.org/jira/browse/HDFS-5400) | DFS\_CLIENT\_MMAP\_CACHE\_THREAD\_RUNS\_PER\_TIMEOUT constant is set to the wrong value | Major | . | Colin Patrick McCabe | Colin Patrick McCabe | +| [HDFS-5375](https://issues.apache.org/jira/browse/HDFS-5375) | hdfs.cmd does not expose several snapshot commands. | Minor | tools | Chris Nauroth | Chris Nauroth | +| [HDFS-5374](https://issues.apache.org/jira/browse/HDFS-5374) | Remove deadcode in DFSOutputStream | Trivial | . | Suresh Srinivas | Suresh Srinivas | +| [HDFS-5372](https://issues.apache.org/jira/browse/HDFS-5372) | In FSNamesystem, hasReadLock() returns false if the current thread holds the write lock | Major | namenode | Tsz Wo Nicholas Sze | Vinayakumar B | +| [HDFS-5370](https://issues.apache.org/jira/browse/HDFS-5370) | Typo in Error Message: different between range in condition and range in error message | Trivial | hdfs-client | Kousuke Saruta | Kousuke Saruta | +| [HDFS-5365](https://issues.apache.org/jira/browse/HDFS-5365) | Fix libhdfs compile error on FreeBSD9 | Major | build, libhdfs | Radim Kolar | Radim Kolar | +| [HDFS-5353](https://issues.apache.org/jira/browse/HDFS-5353) | Short circuit reads fail when dfs.encrypt.data.transfer is enabled | Blocker | . | Haohui Mai | Colin Patrick McCabe | +| [HDFS-5352](https://issues.apache.org/jira/browse/HDFS-5352) | Server#initLog() doesn't close InputStream in httpfs | Minor | . | Ted Yu | Ted Yu | +| [HDFS-5346](https://issues.apache.org/jira/browse/HDFS-5346) | Avoid unnecessary call to getNumLiveDataNodes() for each block during IBR processing | Major | namenode, performance | Kihwal Lee | Ravi Prakash | +| [HDFS-5343](https://issues.apache.org/jira/browse/HDFS-5343) | When cat command is issued on snapshot files getting unexpected result | Major | hdfs-client | sathish | sathish | +| [HDFS-5341](https://issues.apache.org/jira/browse/HDFS-5341) | Reduce fsdataset lock duration during directory scanning. | Major | datanode | qus-jiawei | qus-jiawei | +| [HDFS-5336](https://issues.apache.org/jira/browse/HDFS-5336) | DataNode should not output 'StartupProgress' metrics | Minor | namenode | Akira AJISAKA | Akira AJISAKA | +| [HDFS-5335](https://issues.apache.org/jira/browse/HDFS-5335) | DFSOutputStream#close() keeps throwing exceptions when it is called multiple times | Major | . | Arpit Gupta | Haohui Mai | +| [HDFS-5329](https://issues.apache.org/jira/browse/HDFS-5329) | Update FSNamesystem#getListing() to handle inode path in startAfter token | Major | namenode, nfs | Brandon Li | Brandon Li | +| [HDFS-5322](https://issues.apache.org/jira/browse/HDFS-5322) | HDFS delegation token not found in cache errors seen on secure HA clusters | Major | ha | Arpit Gupta | Jing Zhao | +| [HDFS-5305](https://issues.apache.org/jira/browse/HDFS-5305) | Add https support in HDFS | Major | . | Suresh Srinivas | Suresh Srinivas | +| [HDFS-5297](https://issues.apache.org/jira/browse/HDFS-5297) | Fix dead links in HDFS site documents | Major | documentation | Akira AJISAKA | Akira AJISAKA | +| [HDFS-5291](https://issues.apache.org/jira/browse/HDFS-5291) | Clients need to retry when Active NN is in SafeMode | Critical | ha | Arpit Gupta | Jing Zhao | +| [HDFS-5283](https://issues.apache.org/jira/browse/HDFS-5283) | NN not coming out of startup safemode due to under construction blocks only inside snapshots also counted in safemode threshhold | Critical | snapshots | Vinayakumar B | Vinayakumar B | +| [HDFS-5276](https://issues.apache.org/jira/browse/HDFS-5276) | FileSystem.Statistics got performance issue on multi-thread read/write. | Major | . | Chengxiang Li | Colin Patrick McCabe | +| [HDFS-5257](https://issues.apache.org/jira/browse/HDFS-5257) | addBlock() retry should return LocatedBlock with locations else client will get AIOBE | Major | hdfs-client, namenode | Vinayakumar B | Vinayakumar B | +| [HDFS-5170](https://issues.apache.org/jira/browse/HDFS-5170) | BlockPlacementPolicyDefault uses the wrong classname when alerting to enable debug logging | Trivial | . | Andrew Wang | Andrew Wang | +| [HDFS-5164](https://issues.apache.org/jira/browse/HDFS-5164) | deleteSnapshot should check if OperationCategory.WRITE is possible before taking write lock | Minor | namenode | Colin Patrick McCabe | Colin Patrick McCabe | +| [HDFS-5122](https://issues.apache.org/jira/browse/HDFS-5122) | Support failover and retry in WebHdfsFileSystem for NN HA | Major | ha, webhdfs | Arpit Gupta | Haohui Mai | +| [HDFS-5093](https://issues.apache.org/jira/browse/HDFS-5093) | TestGlobPaths should re-use the MiniDFSCluster to avoid failure on Windows | Minor | test | Chuan Liu | Chuan Liu | +| [HDFS-5075](https://issues.apache.org/jira/browse/HDFS-5075) | httpfs-config.sh calls out incorrect env script name | Major | . | Timothy St. Clair | Timothy St. Clair | +| [HDFS-5074](https://issues.apache.org/jira/browse/HDFS-5074) | Allow starting up from an fsimage checkpoint in the middle of a segment | Major | ha, namenode | Todd Lipcon | Todd Lipcon | +| [HDFS-5073](https://issues.apache.org/jira/browse/HDFS-5073) | TestListCorruptFileBlocks fails intermittently | Minor | test | Kihwal Lee | Arpit Agarwal | +| [HDFS-5065](https://issues.apache.org/jira/browse/HDFS-5065) | TestSymlinkHdfsDisable fails on Windows | Major | hdfs-client, test | Ivan Mitic | Ivan Mitic | +| [HDFS-5035](https://issues.apache.org/jira/browse/HDFS-5035) | getFileLinkStatus and rename do not correctly check permissions of symlinks | Major | namenode | Andrew Wang | Andrew Wang | +| [HDFS-5023](https://issues.apache.org/jira/browse/HDFS-5023) | TestSnapshotPathINodes.testAllowSnapshot is failing with jdk7 | Major | snapshots, test | Ravi Prakash | Mit Desai | +| [HDFS-5014](https://issues.apache.org/jira/browse/HDFS-5014) | BPOfferService#processCommandFromActor() synchronization on namenode RPC call delays IBR to Active NN, if Stanby NN is unstable | Major | datanode, ha | Vinayakumar B | Vinayakumar B | +| [HDFS-4995](https://issues.apache.org/jira/browse/HDFS-4995) | Make getContentSummary() less expensive | Major | namenode | Kihwal Lee | Kihwal Lee | +| [HDFS-4994](https://issues.apache.org/jira/browse/HDFS-4994) | Audit log getContentSummary() calls | Minor | namenode | Kihwal Lee | Robert Parker | +| [HDFS-4816](https://issues.apache.org/jira/browse/HDFS-4816) | transitionToActive blocks if the SBN is doing checkpoint image transfer | Major | namenode | Andrew Wang | Andrew Wang | +| [HDFS-4657](https://issues.apache.org/jira/browse/HDFS-4657) | Limit the number of blocks logged by the NN after a block report to a configurable value. | Major | namenode | Aaron T. Myers | Aaron T. Myers | +| [HDFS-4633](https://issues.apache.org/jira/browse/HDFS-4633) | TestDFSClientExcludedNodes fails sporadically if excluded nodes cache expires too quickly | Major | hdfs-client, test | Chris Nauroth | Chris Nauroth | +| [HDFS-4516](https://issues.apache.org/jira/browse/HDFS-4516) | Client crash after block allocation and NN switch before lease recovery for the same file can cause readers to fail forever | Critical | namenode | Uma Maheswara Rao G | Vinayakumar B | +| [HDFS-4376](https://issues.apache.org/jira/browse/HDFS-4376) | Fix several race conditions in Balancer and resolve intermittent timeout of TestBalancerWithNodeGroup | Major | balancer & mover | Aaron T. Myers | Junping Du | +| [HDFS-4329](https://issues.apache.org/jira/browse/HDFS-4329) | DFSShell issues with directories with spaces in name | Major | hdfs-client | Andy Isaacson | Cristina L. Abad | +| [HDFS-4201](https://issues.apache.org/jira/browse/HDFS-4201) | NPE in BPServiceActor#sendHeartBeat | Critical | namenode | Eli Collins | Jimmy Xiang | +| [HDFS-3981](https://issues.apache.org/jira/browse/HDFS-3981) | access time is set without holding FSNamesystem write lock | Major | namenode | Xiaobo Peng | Xiaobo Peng | +| [MAPREDUCE-5744](https://issues.apache.org/jira/browse/MAPREDUCE-5744) | Job hangs because RMContainerAllocator$AssignedRequests.preemptReduce() violates the comparator contract | Blocker | . | Sangjin Lee | Gera Shegalov | +| [MAPREDUCE-5743](https://issues.apache.org/jira/browse/MAPREDUCE-5743) | TestRMContainerAllocator is failing | Major | . | Ted Yu | Ted Yu | +| [MAPREDUCE-5729](https://issues.apache.org/jira/browse/MAPREDUCE-5729) | mapred job -list throws NPE | Critical | mrv2 | Karthik Kambatla | Karthik Kambatla | +| [MAPREDUCE-5725](https://issues.apache.org/jira/browse/MAPREDUCE-5725) | TestNetworkedJob relies on the Capacity Scheduler | Major | . | Sandy Ryza | Sandy Ryza | +| [MAPREDUCE-5724](https://issues.apache.org/jira/browse/MAPREDUCE-5724) | JobHistoryServer does not start if HDFS is not running | Critical | jobhistoryserver | Alejandro Abdelnur | Alejandro Abdelnur | +| [MAPREDUCE-5723](https://issues.apache.org/jira/browse/MAPREDUCE-5723) | MR AM container log can be truncated or empty | Blocker | applicationmaster | Mohammad Kamrul Islam | Mohammad Kamrul Islam | +| [MAPREDUCE-5694](https://issues.apache.org/jira/browse/MAPREDUCE-5694) | MR AM container syslog is empty | Major | . | Mohammad Kamrul Islam | Mohammad Kamrul Islam | +| [MAPREDUCE-5693](https://issues.apache.org/jira/browse/MAPREDUCE-5693) | Restore MRv1 behavior for log flush | Major | mrv2 | Gera Shegalov | Gera Shegalov | +| [MAPREDUCE-5689](https://issues.apache.org/jira/browse/MAPREDUCE-5689) | MRAppMaster does not preempt reducers when scheduled maps cannot be fulfilled | Critical | . | Lohit Vijayarenu | Lohit Vijayarenu | +| [MAPREDUCE-5685](https://issues.apache.org/jira/browse/MAPREDUCE-5685) | getCacheFiles() api doesn't work in WrappedReducer.java due to typo | Blocker | client | Yi Song | Yi Song | +| [MAPREDUCE-5679](https://issues.apache.org/jira/browse/MAPREDUCE-5679) | TestJobHistoryParsing has race condition | Major | . | Liyin Liang | Liyin Liang | +| [MAPREDUCE-5674](https://issues.apache.org/jira/browse/MAPREDUCE-5674) | Missing start and finish time in mapred.JobStatus | Major | client | Chuan Liu | Chuan Liu | +| [MAPREDUCE-5656](https://issues.apache.org/jira/browse/MAPREDUCE-5656) | bzip2 codec can drop records when reading data in splits | Critical | . | Jason Lowe | Jason Lowe | +| [MAPREDUCE-5650](https://issues.apache.org/jira/browse/MAPREDUCE-5650) | Job fails when hprof mapreduce.task.profile.map/reduce.params is specified | Major | mrv2 | Gera Shegalov | Gera Shegalov | +| [MAPREDUCE-5645](https://issues.apache.org/jira/browse/MAPREDUCE-5645) | TestFixedLengthInputFormat fails with native libs | Major | . | Jonathan Eagles | Mit Desai | +| [MAPREDUCE-5631](https://issues.apache.org/jira/browse/MAPREDUCE-5631) | TestJobEndNotifier.testNotifyRetries fails with Should have taken more than 5 seconds in jdk7 | Major | . | Jonathan Eagles | Jonathan Eagles | +| [MAPREDUCE-5623](https://issues.apache.org/jira/browse/MAPREDUCE-5623) | TestJobCleanup fails because of RejectedExecutionException and NPE. | Major | . | Tsuyoshi Ozawa | Jason Lowe | +| [MAPREDUCE-5616](https://issues.apache.org/jira/browse/MAPREDUCE-5616) | MR Client-AppMaster RPC max retries on socket timeout is too high. | Major | client | Chris Nauroth | Chris Nauroth | +| [MAPREDUCE-5613](https://issues.apache.org/jira/browse/MAPREDUCE-5613) | DefaultSpeculator holds and checks hashmap that is always empty | Major | applicationmaster | Gera Shegalov | Gera Shegalov | +| [MAPREDUCE-5604](https://issues.apache.org/jira/browse/MAPREDUCE-5604) | TestMRAMWithNonNormalizedCapabilities fails on Windows due to exceeding max path length | Minor | test | Chris Nauroth | Chris Nauroth | +| [MAPREDUCE-5598](https://issues.apache.org/jira/browse/MAPREDUCE-5598) | TestUserDefinedCounters.testMapReduceJob is flakey | Major | test | Robert Kanter | Robert Kanter | +| [MAPREDUCE-5587](https://issues.apache.org/jira/browse/MAPREDUCE-5587) | TestTextOutputFormat fails on JDK7 | Major | . | Jonathan Eagles | Jonathan Eagles | +| [MAPREDUCE-5586](https://issues.apache.org/jira/browse/MAPREDUCE-5586) | TestCopyMapper#testCopyFailOnBlockSizeDifference fails when run from hadoop-tools/hadoop-distcp directory | Major | . | Jonathan Eagles | Jonathan Eagles | +| [MAPREDUCE-5585](https://issues.apache.org/jira/browse/MAPREDUCE-5585) | TestCopyCommitter#testNoCommitAction Fails on JDK7 | Major | . | Jonathan Eagles | Jonathan Eagles | +| [MAPREDUCE-5569](https://issues.apache.org/jira/browse/MAPREDUCE-5569) | FloatSplitter is not generating correct splits | Major | . | Nathan Roberts | Nathan Roberts | +| [MAPREDUCE-5561](https://issues.apache.org/jira/browse/MAPREDUCE-5561) | org.apache.hadoop.mapreduce.v2.app.job.impl.TestJobImpl testcase failing on trunk | Critical | . | Cindy Li | Karthik Kambatla | +| [MAPREDUCE-5550](https://issues.apache.org/jira/browse/MAPREDUCE-5550) | Task Status message (reporter.setStatus) not shown in UI with Hadoop 2.0 | Major | . | Vrushali C | Gera Shegalov | +| [MAPREDUCE-5546](https://issues.apache.org/jira/browse/MAPREDUCE-5546) | mapred.cmd on Windows set HADOOP\_OPTS incorrectly | Major | . | Chuan Liu | Chuan Liu | +| [MAPREDUCE-5522](https://issues.apache.org/jira/browse/MAPREDUCE-5522) | Incorrectly expect the array of JobQueueInfo returned by o.a.h.mapred.QueueManager#getJobQueueInfos to have a specific order. | Minor | test | Jinghui Wang | Jinghui Wang | +| [MAPREDUCE-5518](https://issues.apache.org/jira/browse/MAPREDUCE-5518) | Fix typo "can't read paritions file" | Trivial | examples | Albert Chu | Albert Chu | +| [MAPREDUCE-5514](https://issues.apache.org/jira/browse/MAPREDUCE-5514) | TestRMContainerAllocator fails on trunk | Blocker | . | Zhijie Shen | Zhijie Shen | +| [MAPREDUCE-5504](https://issues.apache.org/jira/browse/MAPREDUCE-5504) | mapred queue -info inconsistent with types | Major | client | Thomas Graves | Kousuke Saruta | +| [MAPREDUCE-5481](https://issues.apache.org/jira/browse/MAPREDUCE-5481) | Enable uber jobs to have multiple reducers | Blocker | mrv2, test | Jason Lowe | Sandy Ryza | +| [MAPREDUCE-5451](https://issues.apache.org/jira/browse/MAPREDUCE-5451) | MR uses LD\_LIBRARY\_PATH which doesn't mean anything in Windows | Major | . | Mostafa Elhemali | Yingda Chen | +| [MAPREDUCE-5431](https://issues.apache.org/jira/browse/MAPREDUCE-5431) | Missing pom dependency in MR-client | Major | build | Timothy St. Clair | Timothy St. Clair | +| [MAPREDUCE-5404](https://issues.apache.org/jira/browse/MAPREDUCE-5404) | HSAdminServer does not use ephemeral ports in minicluster mode | Major | jobhistoryserver | Ted Yu | Ted Yu | +| [MAPREDUCE-5380](https://issues.apache.org/jira/browse/MAPREDUCE-5380) | Invalid mapred command should return non-zero exit code | Major | . | Stephen Chu | Stephen Chu | +| [MAPREDUCE-5373](https://issues.apache.org/jira/browse/MAPREDUCE-5373) | TestFetchFailure.testFetchFailureMultipleReduces could fail intermittently | Major | . | Chuan Liu | Jonathan Eagles | +| [MAPREDUCE-5329](https://issues.apache.org/jira/browse/MAPREDUCE-5329) | APPLICATION\_INIT is never sent to AuxServices other than the builtin ShuffleHandler | Major | mr-am | Avner BenHanoch | Avner BenHanoch | +| [MAPREDUCE-5316](https://issues.apache.org/jira/browse/MAPREDUCE-5316) | job -list-attempt-ids command does not handle illegal task-state | Major | client | Ashwin Shankar | Ashwin Shankar | +| [MAPREDUCE-5186](https://issues.apache.org/jira/browse/MAPREDUCE-5186) | mapreduce.job.max.split.locations causes some splits created by CombineFileInputFormat to fail | Critical | job submission | Sangjin Lee | Robert Parker | +| [MAPREDUCE-5052](https://issues.apache.org/jira/browse/MAPREDUCE-5052) | Job History UI and web services confusing job start time and job submit time | Critical | jobhistoryserver, webapps | Kendall Thrapp | Chen He | +| [MAPREDUCE-4680](https://issues.apache.org/jira/browse/MAPREDUCE-4680) | Job history cleaner should only check timestamps of files in old enough directories | Major | jobhistoryserver | Sandy Ryza | Robert Kanter | +| [YARN-1630](https://issues.apache.org/jira/browse/YARN-1630) | Introduce timeout for async polling operations in YarnClientImpl | Major | client | Aditya Acharya | Aditya Acharya | +| [YARN-1629](https://issues.apache.org/jira/browse/YARN-1629) | IndexOutOfBoundsException in Fair Scheduler MaxRunningAppsEnforcer | Major | scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1628](https://issues.apache.org/jira/browse/YARN-1628) | TestContainerManagerSecurity fails on trunk | Major | . | Mit Desai | Vinod Kumar Vavilapalli | +| [YARN-1624](https://issues.apache.org/jira/browse/YARN-1624) | QueuePlacementPolicy format is not easily readable via a JAXB parser | Major | scheduler | Aditya Acharya | Aditya Acharya | +| [YARN-1608](https://issues.apache.org/jira/browse/YARN-1608) | LinuxContainerExecutor has a few DEBUG messages at INFO level | Trivial | nodemanager | Karthik Kambatla | Karthik Kambatla | +| [YARN-1607](https://issues.apache.org/jira/browse/YARN-1607) | TestRM expects the capacity scheduler | Major | . | Sandy Ryza | Sandy Ryza | +| [YARN-1603](https://issues.apache.org/jira/browse/YARN-1603) | Remove two \*.orig files which were unexpectedly committed | Trivial | . | Zhijie Shen | Zhijie Shen | +| [YARN-1601](https://issues.apache.org/jira/browse/YARN-1601) | 3rd party JARs are missing from hadoop-dist output | Major | . | Alejandro Abdelnur | Alejandro Abdelnur | +| [YARN-1600](https://issues.apache.org/jira/browse/YARN-1600) | RM does not startup when security is enabled without spnego configured | Blocker | resourcemanager | Jason Lowe | Haohui Mai | +| [YARN-1541](https://issues.apache.org/jira/browse/YARN-1541) | Invalidate AM Host/Port when app attempt is done so that in the mean-while client doesnât get wrong information. | Major | . | Jian He | Jian He | +| [YARN-1527](https://issues.apache.org/jira/browse/YARN-1527) | yarn rmadmin command prints wrong usage info: | Trivial | . | Jian He | Akira AJISAKA | +| [YARN-1522](https://issues.apache.org/jira/browse/YARN-1522) | TestApplicationCleanup.testAppCleanup occasionally fails | Major | . | Liyin Liang | Liyin Liang | +| [YARN-1505](https://issues.apache.org/jira/browse/YARN-1505) | WebAppProxyServer should not set localhost as YarnConfiguration.PROXY\_ADDRESS by itself | Blocker | . | Xuan Gong | Xuan Gong | +| [YARN-1491](https://issues.apache.org/jira/browse/YARN-1491) | Upgrade JUnit3 TestCase to JUnit 4 | Trivial | . | Jonathan Eagles | Chen He | +| [YARN-1454](https://issues.apache.org/jira/browse/YARN-1454) | TestRMRestart.testRMDelegationTokenRestoredOnRMRestart is failing intermittently | Critical | . | Jian He | Karthik Kambatla | +| [YARN-1451](https://issues.apache.org/jira/browse/YARN-1451) | TestResourceManager relies on the scheduler assigning multiple containers in a single node update | Minor | . | Sandy Ryza | Sandy Ryza | +| [YARN-1450](https://issues.apache.org/jira/browse/YARN-1450) | TestUnmanagedAMLauncher#testDSShell fails on trunk | Major | applications/distributed-shell | Akira AJISAKA | Binglin Chang | +| [YARN-1435](https://issues.apache.org/jira/browse/YARN-1435) | Distributed Shell should not run other commands except "sh", and run the custom script at the same time. | Major | applications/distributed-shell | Tassapol Athiapinya | Xuan Gong | +| [YARN-1425](https://issues.apache.org/jira/browse/YARN-1425) | TestRMRestart fails because MockRM.waitForState(AttemptId) uses current attempt instead of the attempt passed as argument | Major | . | Omkar Vinit Joshi | Omkar Vinit Joshi | +| [YARN-1419](https://issues.apache.org/jira/browse/YARN-1419) | TestFifoScheduler.testAppAttemptMetrics fails intermittently under jdk7 | Minor | scheduler | Jonathan Eagles | Jonathan Eagles | +| [YARN-1416](https://issues.apache.org/jira/browse/YARN-1416) | InvalidStateTransitions getting reported in multiple test cases even though they pass | Major | . | Omkar Vinit Joshi | Jian He | +| [YARN-1409](https://issues.apache.org/jira/browse/YARN-1409) | NonAggregatingLogHandler can throw RejectedExecutionException | Major | . | Tsuyoshi Ozawa | Tsuyoshi Ozawa | +| [YARN-1407](https://issues.apache.org/jira/browse/YARN-1407) | RM Web UI and REST APIs should uniformly use YarnApplicationState | Major | . | Sandy Ryza | Sandy Ryza | +| [YARN-1401](https://issues.apache.org/jira/browse/YARN-1401) | With zero sleep-delay-before-sigkill.ms, no signal is ever sent | Major | nodemanager | Gera Shegalov | Gera Shegalov | +| [YARN-1400](https://issues.apache.org/jira/browse/YARN-1400) | yarn.cmd uses HADOOP\_RESOURCEMANAGER\_OPTS. Should be YARN\_RESOURCEMANAGER\_OPTS. | Trivial | resourcemanager | Raja Aluri | Raja Aluri | +| [YARN-1395](https://issues.apache.org/jira/browse/YARN-1395) | Distributed shell application master launched with debug flag can hang waiting for external ls process. | Major | applications/distributed-shell | Chris Nauroth | Chris Nauroth | +| [YARN-1388](https://issues.apache.org/jira/browse/YARN-1388) | Fair Scheduler page always displays blank fair share | Trivial | resourcemanager | Liyin Liang | Liyin Liang | +| [YARN-1386](https://issues.apache.org/jira/browse/YARN-1386) | NodeManager mistakenly loses resources and relocalizes them | Critical | nodemanager | Jason Lowe | Jason Lowe | +| [YARN-1381](https://issues.apache.org/jira/browse/YARN-1381) | Same relaxLocality appears twice in exception message of AMRMClientImpl#checkLocalityRelaxationConflict() | Minor | . | Ted Yu | Ted Yu | +| [YARN-1374](https://issues.apache.org/jira/browse/YARN-1374) | Resource Manager fails to start due to ConcurrentModificationException | Blocker | resourcemanager | Devaraj K | Karthik Kambatla | +| [YARN-1351](https://issues.apache.org/jira/browse/YARN-1351) | Invalid string format in Fair Scheduler log warn message | Trivial | resourcemanager | Konstantin Weitz | Konstantin Weitz | +| [YARN-1349](https://issues.apache.org/jira/browse/YARN-1349) | yarn.cmd does not support passthrough to any arbitrary class. | Major | client | Chris Nauroth | Chris Nauroth | +| [YARN-1343](https://issues.apache.org/jira/browse/YARN-1343) | NodeManagers additions/restarts are not reported as node updates in AllocateResponse responses to AMs | Critical | resourcemanager | Alejandro Abdelnur | Alejandro Abdelnur | +| [YARN-1331](https://issues.apache.org/jira/browse/YARN-1331) | yarn.cmd exits with NoClassDefFoundError trying to run rmadmin or logs | Trivial | client | Chris Nauroth | Chris Nauroth | +| [YARN-1330](https://issues.apache.org/jira/browse/YARN-1330) | Fair Scheduler: defaultQueueSchedulingPolicy does not take effect | Major | scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1321](https://issues.apache.org/jira/browse/YARN-1321) | NMTokenCache is a singleton, prevents multiple AMs running in a single JVM to work correctly | Blocker | client | Alejandro Abdelnur | Alejandro Abdelnur | +| [YARN-1320](https://issues.apache.org/jira/browse/YARN-1320) | Custom log4j properties in Distributed shell does not work properly. | Major | applications/distributed-shell | Tassapol Athiapinya | Xuan Gong | +| [YARN-1315](https://issues.apache.org/jira/browse/YARN-1315) | TestQueueACLs should also test FairScheduler | Major | resourcemanager, scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1314](https://issues.apache.org/jira/browse/YARN-1314) | Cannot pass more than 1 argument to shell command | Major | applications/distributed-shell | Tassapol Athiapinya | Xuan Gong | +| [YARN-1306](https://issues.apache.org/jira/browse/YARN-1306) | Clean up hadoop-sls sample-conf according to YARN-1228 | Major | . | Wei Yan | Wei Yan | +| [YARN-1300](https://issues.apache.org/jira/browse/YARN-1300) | SLS tests fail because conf puts yarn properties in fair-scheduler.xml | Major | . | Ted Yu | Ted Yu | +| [YARN-1295](https://issues.apache.org/jira/browse/YARN-1295) | In UnixLocalWrapperScriptBuilder, using bash -c can cause "Text file busy" errors | Major | nodemanager | Sandy Ryza | Sandy Ryza | +| [YARN-1293](https://issues.apache.org/jira/browse/YARN-1293) | TestContainerLaunch.testInvalidEnvSyntaxDiagnostics fails on trunk | Major | . | Tsuyoshi Ozawa | Tsuyoshi Ozawa | +| [YARN-1288](https://issues.apache.org/jira/browse/YARN-1288) | Make Fair Scheduler ACLs more user friendly | Major | scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1284](https://issues.apache.org/jira/browse/YARN-1284) | LCE: Race condition leaves dangling cgroups entries for killed containers | Blocker | nodemanager | Alejandro Abdelnur | Alejandro Abdelnur | +| [YARN-1268](https://issues.apache.org/jira/browse/YARN-1268) | TestFairScheduler.testContinuousScheduling is flaky | Major | scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1265](https://issues.apache.org/jira/browse/YARN-1265) | Fair Scheduler chokes on unhealthy node reconnect | Major | resourcemanager, scheduler | Sandy Ryza | Sandy Ryza | +| [YARN-1259](https://issues.apache.org/jira/browse/YARN-1259) | In Fair Scheduler web UI, queue num pending and num active apps switched | Trivial | scheduler | Sandy Ryza | Robert Kanter | +| [YARN-1241](https://issues.apache.org/jira/browse/YARN-1241) | In Fair Scheduler, maxRunningApps does not work for non-leaf queues | Major | . | Sandy Ryza | Sandy Ryza | +| [YARN-1188](https://issues.apache.org/jira/browse/YARN-1188) | The context of QueueMetrics becomes 'default' when using FairScheduler | Trivial | . | Akira AJISAKA | Tsuyoshi Ozawa | +| [YARN-1183](https://issues.apache.org/jira/browse/YARN-1183) | MiniYARNCluster shutdown takes several minutes intermittently | Major | . | Andrey Klochkov | Andrey Klochkov | +| [YARN-1182](https://issues.apache.org/jira/browse/YARN-1182) | MiniYARNCluster creates and inits the RM/NM only on start() | Major | . | Karthik Kambatla | Karthik Kambatla | +| [YARN-1180](https://issues.apache.org/jira/browse/YARN-1180) | Update capacity scheduler docs to include types on the configs | Trivial | capacityscheduler | Thomas Graves | Chen He | +| [YARN-1145](https://issues.apache.org/jira/browse/YARN-1145) | Potential file handle leak in aggregated logs web ui | Major | . | Rohith Sharma K S | Rohith Sharma K S | +| [YARN-1138](https://issues.apache.org/jira/browse/YARN-1138) | yarn.application.classpath is set to point to $HADOOP\_CONF\_DIR etc., which does not work on Windows | Major | api | Yingda Chen | Chuan Liu | +| [YARN-1060](https://issues.apache.org/jira/browse/YARN-1060) | Two tests in TestFairScheduler are missing @Test annotation | Major | scheduler | Sandy Ryza | Niranjan Singh | +| [YARN-1053](https://issues.apache.org/jira/browse/YARN-1053) | Diagnostic message from ContainerExitEvent is ignored in ContainerImpl | Blocker | . | Omkar Vinit Joshi | Omkar Vinit Joshi | +| [YARN-1044](https://issues.apache.org/jira/browse/YARN-1044) | used/min/max resources do not display info in the scheduler page | Critical | resourcemanager, scheduler | Sangjin Lee | Sangjin Lee | +| [YARN-1022](https://issues.apache.org/jira/browse/YARN-1022) | Unnecessary INFO logs in AMRMClientAsync | Trivial | . | Bikas Saha | haosdent | +| [YARN-888](https://issues.apache.org/jira/browse/YARN-888) | clean up POM dependencies | Major | . | Alejandro Abdelnur | Alejandro Abdelnur | +| [YARN-879](https://issues.apache.org/jira/browse/YARN-879) | Fix tests w.r.t o.a.h.y.server.resourcemanager.Application | Major | . | Junping Du | Junping Du | +| [YARN-584](https://issues.apache.org/jira/browse/YARN-584) | In scheduler web UIs, queues unexpand on refresh | Major | scheduler | Sandy Ryza | Harshit Daga | +| [YARN-546](https://issues.apache.org/jira/browse/YARN-546) | Allow disabling the Fair Scheduler event log | Major | scheduler | Lohit Vijayarenu | Sandy Ryza | +| [YARN-461](https://issues.apache.org/jira/browse/YARN-461) | Fair scheduler should not accept apps with empty string queue name | Major | resourcemanager | Sandy Ryza | Wei Yan | +| [YARN-408](https://issues.apache.org/jira/browse/YARN-408) | Capacity Scheduler delay scheduling should not be disabled by default | Minor | scheduler | Mayank Bansal | Mayank Bansal | +| [YARN-305](https://issues.apache.org/jira/browse/YARN-305) | Fair scheduler logs too many "Node offered to app:..." messages | Critical | resourcemanager | Lohit Vijayarenu | Lohit Vijayarenu | + + +### TESTS: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [HADOOP-10207](https://issues.apache.org/jira/browse/HADOOP-10207) | TestUserGroupInformation#testLogin is flaky | Minor | . | Jimmy Xiang | Jimmy Xiang | +| [HADOOP-9866](https://issues.apache.org/jira/browse/HADOOP-9866) | convert hadoop-auth testcases requiring kerberos to use minikdc | Major | test | Alejandro Abdelnur | Wei Yan | +| [HADOOP-9598](https://issues.apache.org/jira/browse/HADOOP-9598) | Improve code coverage of RMAdminCLI | Major | . | Aleksey Gorshkov | Andrey Klochkov | +| [HADOOP-9291](https://issues.apache.org/jira/browse/HADOOP-9291) | enhance unit-test coverage of package o.a.h.metrics2 | Major | . | Ivan A. Veselovsky | Ivan A. Veselovsky | +| [HADOOP-9254](https://issues.apache.org/jira/browse/HADOOP-9254) | Cover packages org.apache.hadoop.util.bloom, org.apache.hadoop.util.hash | Major | . | Vadim Bondarev | Vadim Bondarev | +| [HADOOP-9225](https://issues.apache.org/jira/browse/HADOOP-9225) | Cover package org.apache.hadoop.compress.Snappy | Major | . | Vadim Bondarev | Andrey Klochkov | +| [HADOOP-9199](https://issues.apache.org/jira/browse/HADOOP-9199) | Cover package org.apache.hadoop.io with unit tests | Major | . | Vadim Bondarev | Andrey Klochkov | +| [HADOOP-9078](https://issues.apache.org/jira/browse/HADOOP-9078) | enhance unit-test coverage of class org.apache.hadoop.fs.FileContext | Major | . | Ivan A. Veselovsky | Ivan A. Veselovsky | +| [HADOOP-9063](https://issues.apache.org/jira/browse/HADOOP-9063) | enhance unit-test coverage of class org.apache.hadoop.fs.FileUtil | Minor | . | Ivan A. Veselovsky | Ivan A. Veselovsky | +| [HDFS-5679](https://issues.apache.org/jira/browse/HDFS-5679) | TestCacheDirectives should handle the case where native code is not available | Major | . | Ted Yu | Andrew Wang | +| [HDFS-5130](https://issues.apache.org/jira/browse/HDFS-5130) | Add test for snapshot related FsShell and DFSAdmin commands | Minor | test | Binglin Chang | Binglin Chang | +| [HDFS-4517](https://issues.apache.org/jira/browse/HDFS-4517) | Cover class RemoteBlockReader with unit tests | Major | . | Vadim Bondarev | Ivan A. Veselovsky | +| [HDFS-4512](https://issues.apache.org/jira/browse/HDFS-4512) | Cover package org.apache.hadoop.hdfs.server.common with tests | Major | . | Vadim Bondarev | Vadim Bondarev | +| [HDFS-4511](https://issues.apache.org/jira/browse/HDFS-4511) | Cover package org.apache.hadoop.hdfs.tools with unit test | Major | . | Vadim Bondarev | Andrey Klochkov | +| [HDFS-4510](https://issues.apache.org/jira/browse/HDFS-4510) | Cover classes ClusterJspHelper/NamenodeJspHelper with unit tests | Major | . | Vadim Bondarev | Andrey Klochkov | +| [HDFS-4491](https://issues.apache.org/jira/browse/HDFS-4491) | Parallel testing HDFS | Major | test | Tsuyoshi Ozawa | Andrey Klochkov | +| [MAPREDUCE-5687](https://issues.apache.org/jira/browse/MAPREDUCE-5687) | TestYARNRunner#testResourceMgrDelegate fails with NPE after YARN-1446 | Major | . | Ted Yu | Jian He | +| [MAPREDUCE-5632](https://issues.apache.org/jira/browse/MAPREDUCE-5632) | TestRMContainerAllocator#testUpdatedNodes fails | Major | . | Ted Yu | Jonathan Eagles | +| [MAPREDUCE-5625](https://issues.apache.org/jira/browse/MAPREDUCE-5625) | TestFixedLengthInputFormat fails in jdk7 environment | Major | . | Jonathan Eagles | Mariappan Asokan | +| [MAPREDUCE-5610](https://issues.apache.org/jira/browse/MAPREDUCE-5610) | TestSleepJob fails in jdk7 | Major | . | Jonathan Eagles | Jonathan Eagles | +| [MAPREDUCE-5102](https://issues.apache.org/jira/browse/MAPREDUCE-5102) | fix coverage org.apache.hadoop.mapreduce.lib.db and org.apache.hadoop.mapred.lib.db | Major | . | Aleksey Gorshkov | Andrey Klochkov | +| [MAPREDUCE-5084](https://issues.apache.org/jira/browse/MAPREDUCE-5084) | fix coverage org.apache.hadoop.mapreduce.v2.app.webapp and org.apache.hadoop.mapreduce.v2.hs.webapp | Major | . | Aleksey Gorshkov | Aleksey Gorshkov | +| [YARN-1560](https://issues.apache.org/jira/browse/YARN-1560) | TestYarnClient#testAMMRTokens fails with null AMRM token | Major | . | Ted Yu | Ted Yu | +| [YARN-1549](https://issues.apache.org/jira/browse/YARN-1549) | TestUnmanagedAMLauncher#testDSShell fails in trunk | Major | . | Ted Yu | haosdent | +| [YARN-1463](https://issues.apache.org/jira/browse/YARN-1463) | Tests should avoid starting http-server where possible or creates spnego keytab/principals | Major | . | Ted Yu | Vinod Kumar Vavilapalli | +| [YARN-1358](https://issues.apache.org/jira/browse/YARN-1358) | TestYarnCLI fails on Windows due to line endings | Minor | client | Chuan Liu | Chuan Liu | +| [YARN-1357](https://issues.apache.org/jira/browse/YARN-1357) | TestContainerLaunch.testContainerEnvVariables fails on Windows | Minor | nodemanager | Chuan Liu | Chuan Liu | +| [YARN-1119](https://issues.apache.org/jira/browse/YARN-1119) | Add ClusterMetrics checks to tho TestRMNodeTransitions tests | Major | resourcemanager | Robert Parker | Mit Desai | + + +### SUB-TASKS: + +| JIRA | Summary | Priority | Component | Reporter | Contributor | +|:---- |:---- | :--- |:---- |:---- |:---- | +| [HADOOP-10109](https://issues.apache.org/jira/browse/HADOOP-10109) | Fix test failure in TestOfflineEditsViewer introduced by HADOOP-10052 | Major | test | Colin Patrick McCabe | Colin Patrick McCabe | +| [HADOOP-10107](https://issues.apache.org/jira/browse/HADOOP-10107) | Server.getNumOpenConnections may throw NPE | Major | ipc | Tsz Wo Nicholas Sze | Kihwal Lee | +| [HADOOP-10103](https://issues.apache.org/jira/browse/HADOOP-10103) | update commons-lang to 2.6 | Minor | build | Steve Loughran | Akira AJISAKA | +| [HADOOP-10102](https://issues.apache.org/jira/browse/HADOOP-10102) | update commons IO from 2.1 to 2.4 | Minor | build | Steve Loughran | Akira AJISAKA | +| [HADOOP-10052](https://issues.apache.org/jira/browse/HADOOP-10052) | Temporarily disable client-side symlink resolution | Major | fs | Andrew Wang | Andrew Wang | +| [HADOOP-9956](https://issues.apache.org/jira/browse/HADOOP-9956) | RPC listener inefficiently assigns connections to readers | Major | ipc | Daryn Sharp | Daryn Sharp | +| [HADOOP-9955](https://issues.apache.org/jira/browse/HADOOP-9955) | RPC idle connection closing is extremely inefficient | Major | ipc | Daryn Sharp | Daryn Sharp | +| [HADOOP-9748](https://issues.apache.org/jira/browse/HADOOP-9748) | Reduce blocking on UGI.ensureInitialized | Critical | security | Daryn Sharp | Daryn Sharp | +| [HADOOP-9417](https://issues.apache.org/jira/browse/HADOOP-9417) | Support for symlink resolution in LocalFileSystem / RawLocalFileSystem | Major | fs | Andrew Wang | Andrew Wang | +| [HDFS-5784](https://issues.apache.org/jira/browse/HDFS-5784) | reserve space in edit log header and fsimage header for feature flag section | Major | namenode | Colin Patrick McCabe | Colin Patrick McCabe | +| [HDFS-5708](https://issues.apache.org/jira/browse/HDFS-5708) | The CacheManager throws a NPE in the DataNode logs when processing cache reports that refer to a block not known to the BlockManager | Major | namenode | Colin Patrick McCabe | Colin Patrick McCabe | +| [HDFS-5667](https://issues.apache.org/jira/browse/HDFS-5667) | Include DatanodeStorage in StorageReport | Major | datanode | Eric Sirianni | Arpit Agarwal | +| [HDFS-5651](https://issu
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