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<h1>Apache Hadoop Changelog</h1>
<div class="section">
<h2><a name="Release_2.6.5_-_2016-10-08"></a>Release 2.6.5 - 2016-10-08</h2>
<div class="section">
<h3><a name="IMPORTANT_ISSUES:"></a>IMPORTANT ISSUES:</h3>
<table border="0" class="bodyTable">
<thead>
<tr class="a">
<th align="left"> JIRA </th>
<th align="left"> Summary </th>
<th align="left"> Priority </th>
<th align="left"> Component </th>
<th align="left"> Reporter </th>
<th align="left"> Contributor </th></tr>
</thead><tbody>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4785">YARN-4785</a> </td>
<td align="left"> inconsistent value type of the &#x201c;type&#x201d; field for LeafQueueInfo in response of RM REST API - cluster/scheduler </td>
<td align="left"> Major </td>
<td align="left"> webapp </td>
<td align="left"> Jayesh </td>
<td align="left"> Varun Vasudev </td></tr>
</tbody>
</table></div>
<div class="section">
<h3><a name="IMPROVEMENTS:"></a>IMPROVEMENTS:</h3>
<table border="0" class="bodyTable">
<thead>
<tr class="a">
<th align="left"> JIRA </th>
<th align="left"> Summary </th>
<th align="left"> Priority </th>
<th align="left"> Component </th>
<th align="left"> Reporter </th>
<th align="left"> Contributor </th></tr>
</thead><tbody>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2580">HDFS-2580</a> </td>
<td align="left"> NameNode#main(&#x2026;) can make use of GenericOptionsParser. </td>
<td align="left"> Minor </td>
<td align="left"> namenode </td>
<td align="left"> Harsh J </td>
<td align="left"> Harsh J </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-11301">HADOOP-11301</a> </td>
<td align="left"> [optionally] update jmx cache to drop old metrics </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Maysam Yabandeh </td>
<td align="left"> Maysam Yabandeh </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-9669">HDFS-9669</a> </td>
<td align="left"> TcpPeerServer should respect ipc.server.listen.queue.size </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Elliott Clark </td>
<td align="left"> Elliott Clark </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-9629">HDFS-9629</a> </td>
<td align="left"> Update the footer of Web UI to show year 2016 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Xiao Chen </td>
<td align="left"> Xiao Chen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12805">HADOOP-12805</a> </td>
<td align="left"> Annotate CanUnbuffer with @InterfaceAudience.Public </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ted Yu </td>
<td align="left"> Ted Yu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4690">YARN-4690</a> </td>
<td align="left"> Skip object allocation in FSAppAttempt#getResourceUsage when possible </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ming Ma </td>
<td align="left"> Ming Ma </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12800">HADOOP-12800</a> </td>
<td align="left"> Copy docker directory from 2.8 to 2.7/2.6 repos to enable pre-commit Jenkins runs </td>
<td align="left"> Major </td>
<td align="left"> build, yetus </td>
<td align="left"> Zhe Zhang </td>
<td align="left"> Zhe Zhang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6622">MAPREDUCE-6622</a> </td>
<td align="left"> Add capability to set JHS job cache to a task-based limit </td>
<td align="left"> Critical </td>
<td align="left"> jobhistoryserver </td>
<td align="left"> Ray Chiang </td>
<td align="left"> Ray Chiang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12789">HADOOP-12789</a> </td>
<td align="left"> log classpath of ApplicationClassLoader at INFO level </td>
<td align="left"> Minor </td>
<td align="left"> util </td>
<td align="left"> Sangjin Lee </td>
<td align="left"> Sangjin Lee </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10264">HDFS-10264</a> </td>
<td align="left"> Logging improvements in FSImageFormatProtobuf.Saver </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Xiaobing Zhou </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10377">HDFS-10377</a> </td>
<td align="left"> CacheReplicationMonitor shutdown log message should use INFO level. </td>
<td align="left"> Major </td>
<td align="left"> logging, namenode </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Yiqun Lin </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13290">HADOOP-13290</a> </td>
<td align="left"> Appropriate use of generics in FairCallQueue </td>
<td align="left"> Major </td>
<td align="left"> ipc </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Jonathan Hung </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13298">HADOOP-13298</a> </td>
<td align="left"> Fix the leftover L&amp;N files in hadoop-build-tools/src/main/resources/META-INF/ </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Xiao Chen </td>
<td align="left"> Tsuyoshi Ozawa </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-5483">YARN-5483</a> </td>
<td align="left"> Optimize RMAppAttempt#pullJustFinishedContainers </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> sandflee </td>
<td align="left"> sandflee </td></tr>
</tbody>
</table></div>
<div class="section">
<h3><a name="BUG_FIXES:"></a>BUG FIXES:</h3>
<table border="0" class="bodyTable">
<thead>
<tr class="a">
<th align="left"> JIRA </th>
<th align="left"> Summary </th>
<th align="left"> Priority </th>
<th align="left"> Component </th>
<th align="left"> Reporter </th>
<th align="left"> Contributor </th></tr>
</thead><tbody>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-7258">HDFS-7258</a> </td>
<td align="left"> CacheReplicationMonitor rescan schedule log should use DEBUG level instead of INFO level </td>
<td align="left"> Minor </td>
<td align="left"> namenode </td>
<td align="left"> Xiaoyu Yao </td>
<td align="left"> Xiaoyu Yao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-7530">HDFS-7530</a> </td>
<td align="left"> Allow renaming of encryption zone roots </td>
<td align="left"> Minor </td>
<td align="left"> namenode </td>
<td align="left"> Charles Lamb </td>
<td align="left"> Charles Lamb </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-7817">HADOOP-7817</a> </td>
<td align="left"> RawLocalFileSystem.append() should give FSDataOutputStream with accurate .getPos() </td>
<td align="left"> Major </td>
<td align="left"> fs </td>
<td align="left"> Kristofer Tomasette </td>
<td align="left"> Kanaka Kumar Avvaru </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6413">MAPREDUCE-6413</a> </td>
<td align="left"> TestLocalJobSubmission is failing with unknown host </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Jason Lowe </td>
<td align="left"> zhihai xu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5817">MAPREDUCE-5817</a> </td>
<td align="left"> Mappers get rescheduled on node transition even after all reducers are completed </td>
<td align="left"> Major </td>
<td align="left"> applicationmaster </td>
<td align="left"> Sangjin Lee </td>
<td align="left"> Sangjin Lee </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-8845">HDFS-8845</a> </td>
<td align="left"> DiskChecker should not traverse the entire tree </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Chang Li </td>
<td align="left"> Chang Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-8581">HDFS-8581</a> </td>
<td align="left"> ContentSummary on / skips further counts on yielding lock </td>
<td align="left"> Minor </td>
<td align="left"> namenode </td>
<td align="left"> tongshiquan </td>
<td align="left"> J.Andreina </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12348">HADOOP-12348</a> </td>
<td align="left"> MetricsSystemImpl creates MetricsSourceAdapter with wrong time unit parameter. </td>
<td align="left"> Major </td>
<td align="left"> metrics </td>
<td align="left"> zhihai xu </td>
<td align="left"> zhihai xu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6302">MAPREDUCE-6302</a> </td>
<td align="left"> Preempt reducers after a configurable timeout irrespective of headroom </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> mai shurong </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12482">HADOOP-12482</a> </td>
<td align="left"> Race condition in JMX cache update </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Tony Wu </td>
<td align="left"> Tony Wu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-9347">HDFS-9347</a> </td>
<td align="left"> Invariant assumption in TestQuorumJournalManager.shutdown() is wrong </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Wei-Chiu Chuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12559">HADOOP-12559</a> </td>
<td align="left"> KMS connection failures should trigger TGT renewal </td>
<td align="left"> Major </td>
<td align="left"> security </td>
<td align="left"> Zhe Zhang </td>
<td align="left"> Zhe Zhang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12682">HADOOP-12682</a> </td>
<td align="left"> Fix TestKMS#testKMSRestart* failure </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Wei-Chiu Chuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12773">HADOOP-12773</a> </td>
<td align="left"> HBase classes fail to load with client/job classloader enabled </td>
<td align="left"> Major </td>
<td align="left"> util </td>
<td align="left"> Sangjin Lee </td>
<td align="left"> Sangjin Lee </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-9752">HDFS-9752</a> </td>
<td align="left"> Permanent write failures may happen to slow writers during datanode rolling upgrades </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Walter Su </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12589">HADOOP-12589</a> </td>
<td align="left"> Fix intermittent test failure of TestCopyPreserveFlag </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Tsuyoshi Ozawa </td>
<td align="left"> Masatake Iwasaki </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12810">HADOOP-12810</a> </td>
<td align="left"> FileSystem#listLocatedStatus causes unnecessary RPC calls </td>
<td align="left"> Major </td>
<td align="left"> fs, fs/s3 </td>
<td align="left"> Ryan Blue </td>
<td align="left"> Ryan Blue </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6637">MAPREDUCE-6637</a> </td>
<td align="left"> Testcase Failure : TestFileInputFormat.testSplitLocationInfo </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Brahma Reddy Battula </td>
<td align="left"> Brahma Reddy Battula </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6635">MAPREDUCE-6635</a> </td>
<td align="left"> Unsafe long to int conversion in UncompressedSplitLineReader and IndexOutOfBoundsException </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Sergey Shelukhin </td>
<td align="left"> Junping Du </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-2046">YARN-2046</a> </td>
<td align="left"> Out of band heartbeats are sent only on container kill and possibly too early </td>
<td align="left"> Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Ming Ma </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4722">YARN-4722</a> </td>
<td align="left"> AsyncDispatcher logs redundant event queue sizes </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4761">YARN-4761</a> </td>
<td align="left"> NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations on fair scheduler </td>
<td align="left"> Major </td>
<td align="left"> fairscheduler </td>
<td align="left"> Sangjin Lee </td>
<td align="left"> Sangjin Lee </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6656">MAPREDUCE-6656</a> </td>
<td align="left"> [NNBench] OP_DELETE operation isn&#x2019;t working after MAPREDUCE-6363 </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> J.Andreina </td>
<td align="left"> J.Andreina </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12958">HADOOP-12958</a> </td>
<td align="left"> PhantomReference for filesystem statistics can trigger OOM </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Sangjin Lee </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10182">HDFS-10182</a> </td>
<td align="left"> Hedged read might overwrite user&#x2019;s buf </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> zhouyingchao </td>
<td align="left"> zhouyingchao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4773">YARN-4773</a> </td>
<td align="left"> Log aggregation performs extraneous filesystem operations when rolling log aggregation is disabled </td>
<td align="left"> Minor </td>
<td align="left"> nodemanager </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jun Gong </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10178">HDFS-10178</a> </td>
<td align="left"> Permanent write failures can happen if pipeline recoveries occur for the first packet </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Kihwal Lee </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10271">HDFS-10271</a> </td>
<td align="left"> Extra bytes are getting released from reservedSpace for append </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Brahma Reddy Battula </td>
<td align="left"> Brahma Reddy Battula </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4794">YARN-4794</a> </td>
<td align="left"> Deadlock in NMClientImpl </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Sumana Sathish </td>
<td align="left"> Jian He </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13042">HADOOP-13042</a> </td>
<td align="left"> Restore lost leveldbjni LICENSE and NOTICE changes </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Andrew Wang </td>
<td align="left"> Andrew Wang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13043">HADOOP-13043</a> </td>
<td align="left"> Add LICENSE.txt entries for bundled javascript dependencies </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Andrew Wang </td>
<td align="left"> Andrew Wang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13052">HADOOP-13052</a> </td>
<td align="left"> ChecksumFileSystem mishandles crc file permissions </td>
<td align="left"> Major </td>
<td align="left"> fs </td>
<td align="left"> Daryn Sharp </td>
<td align="left"> Daryn Sharp </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-5009">YARN-5009</a> </td>
<td align="left"> NMLeveldbStateStoreService database can grow substantially leading to longer recovery times </td>
<td align="left"> Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6514">MAPREDUCE-6514</a> </td>
<td align="left"> Job hangs as ask is not updated after ramping down of all reducers </td>
<td align="left"> Blocker </td>
<td align="left"> applicationmaster </td>
<td align="left"> Varun Saxena </td>
<td align="left"> Varun Saxena </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6689">MAPREDUCE-6689</a> </td>
<td align="left"> MapReduce job can infinitely increase number of reducer resource requests </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Wangda Tan </td>
<td align="left"> Wangda Tan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6558">MAPREDUCE-6558</a> </td>
<td align="left"> multibyte delimiters with compressed input files generate duplicate records </td>
<td align="left"> Major </td>
<td align="left"> mrv1, mrv2 </td>
<td align="left"> Wilfred Spiegelenburg </td>
<td align="left"> Wilfred Spiegelenburg </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-9365">HDFS-9365</a> </td>
<td align="left"> Balancer does not work with the HDFS-6376 HA setup </td>
<td align="left"> Major </td>
<td align="left"> balancer &amp; mover </td>
<td align="left"> Tsz Wo Nicholas Sze </td>
<td align="left"> Tsz Wo Nicholas Sze </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4459">YARN-4459</a> </td>
<td align="left"> container-executor should only kill process groups </td>
<td align="left"> Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Jun Gong </td>
<td align="left"> Jun Gong </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10458">HDFS-10458</a> </td>
<td align="left"> getFileEncryptionInfo should return quickly for non-encrypted cluster </td>
<td align="left"> Major </td>
<td align="left"> encryption, namenode </td>
<td align="left"> Zhe Zhang </td>
<td align="left"> Zhe Zhang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-5206">YARN-5206</a> </td>
<td align="left"> RegistrySecurity includes id:pass in exception text if considered invalid </td>
<td align="left"> Minor </td>
<td align="left"> client, security </td>
<td align="left"> Steve Loughran </td>
<td align="left"> Steve Loughran </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13189">HADOOP-13189</a> </td>
<td align="left"> FairCallQueue makes callQueue larger than the configured capacity. </td>
<td align="left"> Major </td>
<td align="left"> ipc </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Vinitha Reddy Gankidi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13255">HADOOP-13255</a> </td>
<td align="left"> KMSClientProvider should check and renew tgt when doing delegation token operations. </td>
<td align="left"> Major </td>
<td align="left"> kms </td>
<td align="left"> Xiao Chen </td>
<td align="left"> Xiao Chen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13192">HADOOP-13192</a> </td>
<td align="left"> org.apache.hadoop.util.LineReader cannot handle multibyte delimiters correctly </td>
<td align="left"> Critical </td>
<td align="left"> util </td>
<td align="left"> binde </td>
<td align="left"> binde </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-5197">YARN-5197</a> </td>
<td align="left"> RM leaks containers if running container disappears from node update </td>
<td align="left"> Critical </td>
<td align="left"> resourcemanager </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-5262">YARN-5262</a> </td>
<td align="left"> Optimize sending RMNodeFinishedContainersPulledByAMEvent for every AM heartbeat </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Rohith Sharma K S </td>
<td align="left"> Rohith Sharma K S </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13350">HADOOP-13350</a> </td>
<td align="left"> Additional fix to LICENSE and NOTICE </td>
<td align="left"> Blocker </td>
<td align="left"> build </td>
<td align="left"> Xiao Chen </td>
<td align="left"> Xiao Chen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12893">HADOOP-12893</a> </td>
<td align="left"> Verify LICENSE.txt and NOTICE.txt </td>
<td align="left"> Blocker </td>
<td align="left"> build </td>
<td align="left"> Allen Wittenauer </td>
<td align="left"> Xiao Chen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13297">HADOOP-13297</a> </td>
<td align="left"> Add missing dependency in setting maven-remote-resource-plugin to fix builds </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Sean Busbey </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-5353">YARN-5353</a> </td>
<td align="left"> ResourceManager can leak delegation tokens when they are shared across apps </td>
<td align="left"> Critical </td>
<td align="left"> resourcemanager </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-11361">HADOOP-11361</a> </td>
<td align="left"> Fix a race condition in MetricsSourceAdapter.updateJmxCache </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Brahma Reddy Battula </td>
<td align="left"> Brahma Reddy Battula </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10544">HDFS-10544</a> </td>
<td align="left"> Balancer doesn&#x2019;t work with IPFailoverProxyProvider </td>
<td align="left"> Major </td>
<td align="left"> balancer &amp; mover, ha </td>
<td align="left"> Zhe Zhang </td>
<td align="left"> Zhe Zhang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-5462">YARN-5462</a> </td>
<td align="left"> TestNodeStatusUpdater.testNodeStatusUpdaterRetryAndNMShutdown fails intermittently </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Eric Badger </td>
<td align="left"> Eric Badger </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13434">HADOOP-13434</a> </td>
<td align="left"> Add quoting to Shell class </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-9696">HDFS-9696</a> </td>
<td align="left"> Garbage snapshot records lingering forever </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Kihwal Lee </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13494">HADOOP-13494</a> </td>
<td align="left"> ReconfigurableBase can log sensitive information </td>
<td align="left"> Major </td>
<td align="left"> security </td>
<td align="left"> Sean Mackrory </td>
<td align="left"> Sean Mackrory </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-9530">HDFS-9530</a> </td>
<td align="left"> ReservedSpace is not cleared for abandoned Blocks </td>
<td align="left"> Critical </td>
<td align="left"> datanode </td>
<td align="left"> Fei Hui </td>
<td align="left"> Brahma Reddy Battula </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10763">HDFS-10763</a> </td>
<td align="left"> Open files can leak permanently due to inconsistent lease update </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Kihwal Lee </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13579">HADOOP-13579</a> </td>
<td align="left"> Fix source-level compatibility after HADOOP-11252 </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Tsuyoshi Ozawa </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10870">HDFS-10870</a> </td>
<td align="left"> Wrong dfs.namenode.acls.enabled default in HdfsPermissionsGuide.apt.vm </td>
<td align="left"> Trivial </td>
<td align="left"> documentation </td>
<td align="left"> John Zhuge </td>
<td align="left"> John Zhuge </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-5694">YARN-5694</a> </td>
<td align="left"> ZKRMStateStore can prevent the transition to standby in branch-2.7 if the ZK node is unreachable </td>
<td align="left"> Critical </td>
<td align="left"> resourcemanager </td>
<td align="left"> Daniel Templeton </td>
<td align="left"> Daniel Templeton </td></tr>
</tbody>
</table></div>
<div class="section">
<h3><a name="TESTS:"></a>TESTS:</h3>
<table border="0" class="bodyTable">
<thead>
<tr class="a">
<th align="left"> JIRA </th>
<th align="left"> Summary </th>
<th align="left"> Priority </th>
<th align="left"> Component </th>
<th align="left"> Reporter </th>
<th align="left"> Contributor </th></tr>
</thead><tbody>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-6191">MAPREDUCE-6191</a> </td>
<td align="left"> TestJavaSerialization fails with getting incorrect MR job result </td>
<td align="left"> Minor </td>
<td align="left"> test </td>
<td align="left"> sam liu </td>
<td align="left"> sam liu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-9688">HDFS-9688</a> </td>
<td align="left"> Test the effect of nested encryption zones in HDFS downgrade </td>
<td align="left"> Major </td>
<td align="left"> encryption, test </td>
<td align="left"> Zhe Zhang </td>
<td align="left"> Zhe Zhang </td></tr>
</tbody>
</table></div>
<div class="section">
<h3><a name="SUB-TASKS:"></a>SUB-TASKS:</h3>
<table border="0" class="bodyTable">
<thead>
<tr class="a">
<th align="left"> JIRA </th>
<th align="left"> Summary </th>
<th align="left"> Priority </th>
<th align="left"> Component </th>
<th align="left"> Reporter </th>
<th align="left"> Contributor </th></tr>
</thead><tbody>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4393">YARN-4393</a> </td>
<td align="left"> TestResourceLocalizationService#testFailedDirsResourceRelease fails intermittently </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Varun Saxena </td>
<td align="left"> Varun Saxena </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4573">YARN-4573</a> </td>
<td align="left"> TestRMAppTransitions.testAppRunningKill and testAppKilledKilled fail on trunk </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager, test </td>
<td align="left"> Takashi Ohnishi </td>
<td align="left"> Takashi Ohnishi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10653">HDFS-10653</a> </td>
<td align="left"> Optimize conversion from path string to components </td>
<td align="left"> Major </td>
<td align="left"> hdfs </td>
<td align="left"> Daryn Sharp </td>
<td align="left"> Daryn Sharp </td></tr>
</tbody>
</table></div></div>
</div>
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