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<h1>&#x201c;Apache Hadoop&#x201d; Changelog</h1><section>
<h2><a name="Release_2.10.2_-_2022-05-31"></a>Release 2.10.2 - 2022-05-31</h2><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/HADOOP-17338">HADOOP-17338</a> </td>
<td align="left"> Intermittent S3AInputStream failures: Premature end of Content-Length delimited message body etc </td>
<td align="left"> Major </td>
<td align="left"> fs/s3 </td>
<td align="left"> Yongjun Zhang </td>
<td align="left"> Yongjun Zhang </td></tr>
</tbody>
</table></section><section>
<h3><a name="NEW_FEATURES:"></a>NEW FEATURES:</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/HADOOP-12077">HADOOP-12077</a> </td>
<td align="left"> Provide a multi-URI replication Inode for ViewFs </td>
<td align="left"> Major </td>
<td align="left"> fs </td>
<td align="left"> Gera Shegalov </td>
<td align="left"> Gera Shegalov </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13055">HADOOP-13055</a> </td>
<td align="left"> Implement linkMergeSlash and linkFallback for ViewFileSystem </td>
<td align="left"> Major </td>
<td align="left"> fs, viewfs </td>
<td align="left"> Zhe Zhang </td>
<td align="left"> Manoj Govindassamy </td></tr>
</tbody>
</table></section><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/HADOOP-13722">HADOOP-13722</a> </td>
<td align="left"> Code cleanup &#x2013; ViewFileSystem and InodeTree </td>
<td align="left"> Minor </td>
<td align="left"> viewfs </td>
<td align="left"> Manoj Govindassamy </td>
<td align="left"> Manoj Govindassamy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1151">YARN-1151</a> </td>
<td align="left"> Ability to configure auxiliary services from HDFS-based JAR files </td>
<td align="left"> Major </td>
<td align="left"> nodemanager </td>
<td align="left"> john lilley </td>
<td align="left"> Xuan Gong </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15584">HADOOP-15584</a> </td>
<td align="left"> move httpcomponents version in pom.xml </td>
<td align="left"> Minor </td>
<td align="left"> build </td>
<td align="left"> Brandon Scheller </td>
<td align="left"> Brandon Scheller </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16208">HADOOP-16208</a> </td>
<td align="left"> Do Not Log InterruptedException in Client </td>
<td align="left"> Minor </td>
<td align="left"> common </td>
<td align="left"> David Mollitor </td>
<td align="left"> David Mollitor </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16052">HADOOP-16052</a> </td>
<td align="left"> Remove Subversion and Forrest from Dockerfile </td>
<td align="left"> Minor </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Xieming Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10036">YARN-10036</a> </td>
<td align="left"> Install yarnpkg and upgrade nodejs in Dockerfile </td>
<td align="left"> Major </td>
<td align="left"> buid, yarn-ui-v2 </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16811">HADOOP-16811</a> </td>
<td align="left"> Use JUnit TemporaryFolder Rule in TestFileUtils </td>
<td align="left"> Minor </td>
<td align="left"> common, test </td>
<td align="left"> David Mollitor </td>
<td align="left"> David Mollitor </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16054">HADOOP-16054</a> </td>
<td align="left"> Update Dockerfile to use Bionic </td>
<td align="left"> Major </td>
<td align="left"> build, test </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10451">YARN-10451</a> </td>
<td align="left"> RM (v1) UI NodesPage can NPE when yarn.io/gpu resource type is defined. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-9667">YARN-9667</a> </td>
<td align="left"> Container-executor.c duplicates messages to stdout </td>
<td align="left"> Major </td>
<td align="left"> nodemanager, yarn </td>
<td align="left"> Adam Antal </td>
<td align="left"> Peter Bacsko </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7301">MAPREDUCE-7301</a> </td>
<td align="left"> Expose Mini MR Cluster attribute for testing </td>
<td align="left"> Minor </td>
<td align="left"> test </td>
<td align="left"> Swaroopa Kadam </td>
<td align="left"> Swaroopa Kadam </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15567">HDFS-15567</a> </td>
<td align="left"> [SBN Read] HDFS should expose msync() API to allow downstream applications call it explicitly. </td>
<td align="left"> Major </td>
<td align="left"> ha, hdfs-client </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10450">YARN-10450</a> </td>
<td align="left"> Add cpu and memory utilization per node and cluster-wide metrics </td>
<td align="left"> Minor </td>
<td align="left"> yarn </td>
<td align="left"> Jim Brennan </td>
<td align="left"> Jim Brennan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15652">HDFS-15652</a> </td>
<td align="left"> Make block size from NNThroughputBenchmark configurable </td>
<td align="left"> Minor </td>
<td align="left"> benchmarks </td>
<td align="left"> Hui Fei </td>
<td align="left"> Hui Fei </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15665">HDFS-15665</a> </td>
<td align="left"> Balancer logging improvement </td>
<td align="left"> Major </td>
<td align="left"> balancer &amp; mover </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17342">HADOOP-17342</a> </td>
<td align="left"> Creating a token identifier should not do kerberos name resolution </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Jim Brennan </td>
<td align="left"> Jim Brennan </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10479">YARN-10479</a> </td>
<td align="left"> RMProxy should retry on SocketTimeout Exceptions </td>
<td align="left"> Major </td>
<td align="left"> yarn </td>
<td align="left"> Jim Brennan </td>
<td align="left"> Jim Brennan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15623">HDFS-15623</a> </td>
<td align="left"> Respect configured values of rpc.engine </td>
<td align="left"> Major </td>
<td align="left"> hdfs </td>
<td align="left"> Hector Sandoval Chaverri </td>
<td align="left"> Hector Sandoval Chaverri </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15717">HDFS-15717</a> </td>
<td align="left"> Improve fsck logging </td>
<td align="left"> Major </td>
<td align="left"> logging, namenode </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15751">HDFS-15751</a> </td>
<td align="left"> Add documentation for msync() API to filesystem.md </td>
<td align="left"> Major </td>
<td align="left"> documentation </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10562">YARN-10562</a> </td>
<td align="left"> Follow up changes for YARN-9833 </td>
<td align="left"> Major </td>
<td align="left"> yarn </td>
<td align="left"> Jim Brennan </td>
<td align="left"> Jim Brennan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17478">HADOOP-17478</a> </td>
<td align="left"> Improve the description of hadoop.http.authentication.signature.secret.file </td>
<td align="left"> Minor </td>
<td align="left"> documentation </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17501">HADOOP-17501</a> </td>
<td align="left"> Fix logging typo in ShutdownHookManager </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Fengnan Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17354">HADOOP-17354</a> </td>
<td align="left"> Move Jenkinsfile outside of the root directory </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7319">MAPREDUCE-7319</a> </td>
<td align="left"> Log list of mappers at trace level in ShuffleHandler audit log </td>
<td align="left"> Minor </td>
<td align="left"> yarn </td>
<td align="left"> Jim Brennan </td>
<td align="left"> Jim Brennan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10626">YARN-10626</a> </td>
<td align="left"> Log resource allocation in NM log at container start time </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/YARN-10613">YARN-10613</a> </td>
<td align="left"> Config to allow Intra- and Inter-queue preemption to enable/disable conservativeDRF </td>
<td align="left"> Minor </td>
<td align="left"> capacity scheduler, scheduler preemption </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7324">MAPREDUCE-7324</a> </td>
<td align="left"> ClientHSSecurityInfo class is in wrong META-INF file </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-17546">HADOOP-17546</a> </td>
<td align="left"> Update Description of hadoop-http-auth-signature-secret in HttpAuthentication.md </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Ravuri Sushma sree </td>
<td align="left"> Ravuri Sushma sree </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17570">HADOOP-17570</a> </td>
<td align="left"> Apply YETUS-1102 to re-enable GitHub comments </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16870">HADOOP-16870</a> </td>
<td align="left"> Use spotbugs-maven-plugin instead of findbugs-maven-plugin </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15931">HDFS-15931</a> </td>
<td align="left"> Fix non-static inner classes for better memory management </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Viraj Jasani </td>
<td align="left"> Viraj Jasani </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17680">HADOOP-17680</a> </td>
<td align="left"> Allow ProtobufRpcEngine to be extensible </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Hector Sandoval Chaverri </td>
<td align="left"> Hector Sandoval Chaverri </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17756">HADOOP-17756</a> </td>
<td align="left"> Increase precommit job timeout from 20 hours to 24 hours. </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Takanobu Asanuma </td>
<td align="left"> Takanobu Asanuma </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15150">HDFS-15150</a> </td>
<td align="left"> Introduce read write lock to Datanode </td>
<td align="left"> Major </td>
<td align="left"> datanode </td>
<td align="left"> Stephen O&#x2019;Donnell </td>
<td align="left"> Stephen O&#x2019;Donnell </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10834">YARN-10834</a> </td>
<td align="left"> Intra-queue preemption: apps that don&#x2019;t use defined custom resource won&#x2019;t be preempted. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17775">HADOOP-17775</a> </td>
<td align="left"> Remove JavaScript package from Docker environment </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Masatake Iwasaki </td>
<td align="left"> Masatake Iwasaki </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-12665">HADOOP-12665</a> </td>
<td align="left"> Document hadoop.security.token.service.use_ip </td>
<td align="left"> Major </td>
<td align="left"> documentation </td>
<td align="left"> Arpit Agarwal </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10456">YARN-10456</a> </td>
<td align="left"> RM PartitionQueueMetrics records are named QueueMetrics in Simon metrics registry </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10860">YARN-10860</a> </td>
<td align="left"> Make max container per heartbeat configs refreshable </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-17813">HADOOP-17813</a> </td>
<td align="left"> Checkstyle - Allow line length: 100 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Viraj Jasani </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17819">HADOOP-17819</a> </td>
<td align="left"> Add extensions to ProtobufRpcEngine RequestHeaderProto </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Hector Sandoval Chaverri </td>
<td align="left"> Hector Sandoval Chaverri </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17897">HADOOP-17897</a> </td>
<td align="left"> Allow nested blocks in switch case in checkstyle settings </td>
<td align="left"> Minor </td>
<td align="left"> build </td>
<td align="left"> Masatake Iwasaki </td>
<td align="left"> Masatake Iwasaki </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17857">HADOOP-17857</a> </td>
<td align="left"> Check real user ACLs in addition to proxied user ACLs </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17926">HADOOP-17926</a> </td>
<td align="left"> Maven-eclipse-plugin is no longer needed since Eclipse can import Maven projects by itself. </td>
<td align="left"> Minor </td>
<td align="left"> documentation </td>
<td align="left"> Rintaro Ikeda </td>
<td align="left"> Rintaro Ikeda </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10935">YARN-10935</a> </td>
<td align="left"> AM Total Queue Limit goes below per-user AM Limit if parent is full. </td>
<td align="left"> Major </td>
<td align="left"> capacity scheduler, capacityscheduler </td>
<td align="left"> Eric Payne </td>
<td align="left"> Eric Payne </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16257">HDFS-16257</a> </td>
<td align="left"> [HDFS] [RBF] Guava cache performance issue in Router MountTableResolver </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Janus Chow </td>
<td align="left"> Janus Chow </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1115">YARN-1115</a> </td>
<td align="left"> Provide optional means for a scheduler to check real user ACLs </td>
<td align="left"> Major </td>
<td align="left"> capacity scheduler, scheduler </td>
<td align="left"> Eric Payne </td>
<td align="left"> </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16294">HDFS-16294</a> </td>
<td align="left"> Remove invalid DataNode#CONFIG_PROPERTY_SIMULATED </td>
<td align="left"> Major </td>
<td align="left"> datanode </td>
<td align="left"> JiangHua Zhu </td>
<td align="left"> JiangHua Zhu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16301">HDFS-16301</a> </td>
<td align="left"> Improve BenchmarkThroughput#SIZE naming standardization </td>
<td align="left"> Minor </td>
<td align="left"> benchmarks, test </td>
<td align="left"> JiangHua Zhu </td>
<td align="left"> JiangHua Zhu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18035">HADOOP-18035</a> </td>
<td align="left"> Skip unit test failures to run all the unit tests </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18040">HADOOP-18040</a> </td>
<td align="left"> Use maven.test.failure.ignore instead of ignoreTestFailure </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8234">YARN-8234</a> </td>
<td align="left"> Improve RM system metrics publisher&#x2019;s performance by pushing events to timeline server in batch </td>
<td align="left"> Critical </td>
<td align="left"> resourcemanager, timelineserver </td>
<td align="left"> Hu Ziqian </td>
<td align="left"> Ashutosh Gupta </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18093">HADOOP-18093</a> </td>
<td align="left"> Better exception handling for testFileStatusOnMountLink() in ViewFsBaseTest.java </td>
<td align="left"> Trivial </td>
<td align="left"> . </td>
<td align="left"> Xing Lin </td>
<td align="left"> Xing Lin </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18099">HADOOP-18099</a> </td>
<td align="left"> Upgrade bundled Tomcat to 8.5.75 </td>
<td align="left"> Major </td>
<td align="left"> httpfs, kms </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Ashutosh Gupta </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18110">HADOOP-18110</a> </td>
<td align="left"> ViewFileSystem: Add Support for Localized Trash Root </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Xing Lin </td>
<td align="left"> Xing Lin </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18144">HADOOP-18144</a> </td>
<td align="left"> getTrashRoot/s in ViewFileSystem should return viewFS path, not targetFS path </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Xing Lin </td>
<td align="left"> Xing Lin </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18136">HADOOP-18136</a> </td>
<td align="left"> Verify FileUtils.unTar() handling of missing .tar files </td>
<td align="left"> Minor </td>
<td align="left"> test, util </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/HDFS-16529">HDFS-16529</a> </td>
<td align="left"> Remove unnecessary setObserverRead in TestConsistentReadsObserver </td>
<td align="left"> Trivial </td>
<td align="left"> test </td>
<td align="left"> wangzhaohui </td>
<td align="left"> wangzhaohui </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18155">HADOOP-18155</a> </td>
<td align="left"> Refactor tests in TestFileUtil </td>
<td align="left"> Trivial </td>
<td align="left"> common </td>
<td align="left"> Gautham Banasandra </td>
<td align="left"> Gautham Banasandra </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18088">HADOOP-18088</a> </td>
<td align="left"> Replace log4j 1.x with reload4j </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/YARN-11125">YARN-11125</a> </td>
<td align="left"> Backport YARN-6483 to branch-2.10 </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Ashutosh Gupta </td>
<td align="left"> Ashutosh Gupta </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18172">HADOOP-18172</a> </td>
<td align="left"> Change scope of getRootFallbackLink for InodeTree to make them accessible from outside package </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Xing Lin </td>
<td align="left"> Xing Lin </td></tr>
</tbody>
</table></section><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-10650">HDFS-10650</a> </td>
<td align="left"> DFSClient#mkdirs and DFSClient#primitiveMkdir should use default directory permission </td>
<td align="left"> Minor </td>
<td align="left"> . </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/HADOOP-13965">HADOOP-13965</a> </td>
<td align="left"> Groups should be consistent in using default group mapping class </td>
<td align="left"> Minor </td>
<td align="left"> security </td>
<td align="left"> Yiqun Lin </td>
<td align="left"> Yiqun Lin </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-6977">YARN-6977</a> </td>
<td align="left"> Node information is not provided for non am containers in RM logs </td>
<td align="left"> Major </td>
<td align="left"> capacity scheduler </td>
<td align="left"> Sumana Sathish </td>
<td align="left"> Suma Shivaprasad </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15261">HADOOP-15261</a> </td>
<td align="left"> Upgrade commons-io from 2.4 to 2.5 </td>
<td align="left"> Major </td>
<td align="left"> minikdc </td>
<td align="left"> PandaMonkey </td>
<td align="left"> PandaMonkey </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15331">HADOOP-15331</a> </td>
<td align="left"> Fix a race condition causing parsing error of java.io.BufferedInputStream in class org.apache.hadoop.conf.Configuration </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Miklos Szegedi </td>
<td align="left"> Miklos Szegedi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8222">YARN-8222</a> </td>
<td align="left"> Fix potential NPE when gets RMApp from RM context </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Tao Yang </td>
<td align="left"> Tao Yang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13174">HDFS-13174</a> </td>
<td align="left"> hdfs mover -p /path times out after 20 min </td>
<td align="left"> Major </td>
<td align="left"> balancer &amp; mover </td>
<td align="left"> Istv&#xe1;n Fajth </td>
<td align="left"> Istv&#xe1;n Fajth </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13723">HDFS-13723</a> </td>
<td align="left"> Occasional &#x201c;Should be different group&#x201d; error in TestRefreshUserMappings#testGroupMappingRefresh </td>
<td align="left"> Major </td>
<td align="left"> security, test </td>
<td align="left"> Siyao Meng </td>
<td align="left"> Siyao Meng </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7266">YARN-7266</a> </td>
<td align="left"> Timeline Server event handler threads locked </td>
<td align="left"> Major </td>
<td align="left"> ATSv2, timelineserver </td>
<td align="left"> Venkata Puneet Ravuri </td>
<td align="left"> Prabhu Joseph </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13677">HDFS-13677</a> </td>
<td align="left"> Dynamic refresh Disk configuration results in overwriting VolumeMap </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> ZanderXu </td>
<td align="left"> ZanderXu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16334">HADOOP-16334</a> </td>
<td align="left"> Fix yetus-wrapper not working when HADOOP_YETUS_VERSION &gt;= 0.9.0 </td>
<td align="left"> Major </td>
<td align="left"> yetus </td>
<td align="left"> Wanqiang Ji </td>
<td align="left"> Wanqiang Ji </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-9594">YARN-9594</a> </td>
<td align="left"> Fix missing break statement in ContainerScheduler#handle </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> lujie </td>
<td align="left"> lujie </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-9744">YARN-9744</a> </td>
<td align="left"> RollingLevelDBTimelineStore.getEntityByTime fails with NPE </td>
<td align="left"> Major </td>
<td align="left"> timelineserver </td>
<td align="left"> Prabhu Joseph </td>
<td align="left"> Prabhu Joseph </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-9785">YARN-9785</a> </td>
<td align="left"> Fix DominantResourceCalculator when one resource is zero </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Bilwa S T </td>
<td align="left"> Bilwa S T </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-9833">YARN-9833</a> </td>
<td align="left"> Race condition when DirectoryCollection.checkDirs() runs during container launch </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Peter Bacsko </td>
<td align="left"> Peter Bacsko </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-14216">HDFS-14216</a> </td>
<td align="left"> NullPointerException happens in NamenodeWebHdfs </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> lujie </td>
<td align="left"> lujie </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-9984">YARN-9984</a> </td>
<td align="left"> FSPreemptionThread can cause NullPointerException while app is unregistered with containers running on a node </td>
<td align="left"> Major </td>
<td align="left"> fairscheduler </td>
<td align="left"> Wilfred Spiegelenburg </td>
<td align="left"> Wilfred Spiegelenburg </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16841">HADOOP-16841</a> </td>
<td align="left"> The description of hadoop.http.authentication.signature.secret.file contains outdated information </td>
<td align="left"> Minor </td>
<td align="left"> documentation </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Xieming Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16768">HADOOP-16768</a> </td>
<td align="left"> SnappyCompressor test cases wrongly assume that the compressed data is always smaller than the input data </td>
<td align="left"> Major </td>
<td align="left"> io, test </td>
<td align="left"> zhao bo </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17068">HADOOP-17068</a> </td>
<td align="left"> client fails forever when namenode ipaddr changed </td>
<td align="left"> Major </td>
<td align="left"> hdfs-client </td>
<td align="left"> Sean Chow </td>
<td align="left"> Sean Chow </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17116">HADOOP-17116</a> </td>
<td align="left"> Skip Retry INFO logging on first failover from a proxy </td>
<td align="left"> Major </td>
<td align="left"> ha </td>
<td align="left"> Hanisha Koneru </td>
<td align="left"> Hanisha Koneru </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7294">MAPREDUCE-7294</a> </td>
<td align="left"> Only application master should upload resource to Yarn Shared Cache </td>
<td align="left"> Major </td>
<td align="left"> mrv2 </td>
<td align="left"> zhenzhao wang </td>
<td align="left"> zhenzhao wang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10438">YARN-10438</a> </td>
<td align="left"> Handle null containerId in ClientRMService#getContainerReport() </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Raghvendra Singh </td>
<td align="left"> Shubham Gupta </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7289">MAPREDUCE-7289</a> </td>
<td align="left"> Fix wrong comment in LongLong.java </td>
<td align="left"> Trivial </td>
<td align="left"> documentation, examples </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Wanqiang Ji </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10393">YARN-10393</a> </td>
<td align="left"> MR job live lock caused by completed state container leak in heartbeat between node manager and RM </td>
<td align="left"> Major </td>
<td align="left"> nodemanager, yarn </td>
<td align="left"> zhenzhao wang </td>
<td align="left"> Jim Brennan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10455">YARN-10455</a> </td>
<td align="left"> TestNMProxy.testNMProxyRPCRetry is not consistent </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17223">HADOOP-17223</a> </td>
<td align="left"> update org.apache.httpcomponents:httpclient to 4.5.13 and httpcore to 4.4.13 </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Pranav Bheda </td>
<td align="left"> Pranav Bheda </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17309">HADOOP-17309</a> </td>
<td align="left"> Javadoc warnings and errors are ignored in the precommit jobs </td>
<td align="left"> Major </td>
<td align="left"> build, documentation </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7302">MAPREDUCE-7302</a> </td>
<td align="left"> Upgrading to JUnit 4.13 causes testcase TestFetcher.testCorruptedIFile() to fail </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Peter Bacsko </td>
<td align="left"> Peter Bacsko </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15644">HDFS-15644</a> </td>
<td align="left"> Failed volumes can cause DNs to stop block reporting </td>
<td align="left"> Major </td>
<td align="left"> block placement, datanode </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10467">YARN-10467</a> </td>
<td align="left"> ContainerIdPBImpl objects can be leaked in RMNodeImpl.completedContainers </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Haibo Chen </td>
<td align="left"> Haibo Chen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17340">HADOOP-17340</a> </td>
<td align="left"> TestLdapGroupsMapping failing -string mismatch in exception validation </td>
<td align="left"> Major </td>
<td align="left"> test </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-17352">HADOOP-17352</a> </td>
<td align="left"> Update PATCH_NAMING_RULE in the personality file </td>
<td align="left"> Minor </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17358">HADOOP-17358</a> </td>
<td align="left"> Improve excessive reloading of Configurations </td>
<td align="left"> Major </td>
<td align="left"> conf </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8558">YARN-8558</a> </td>
<td align="left"> NM recovery level db not cleaned up properly on container finish </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Bibin Chundatt </td>
<td align="left"> Bibin Chundatt </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10498">YARN-10498</a> </td>
<td align="left"> Fix Yarn CapacityScheduler Markdown document </td>
<td align="left"> Trivial </td>
<td align="left"> documentation </td>
<td align="left"> zhaoshengjie </td>
<td align="left"> zhaoshengjie </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15660">HDFS-15660</a> </td>
<td align="left"> StorageTypeProto is not compatiable between 3.x and 2.6 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ryan Wu </td>
<td align="left"> Ryan Wu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15725">HDFS-15725</a> </td>
<td align="left"> Lease Recovery never completes for a committed block which the DNs never finalize </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Stephen O&#x2019;Donnell </td>
<td align="left"> Stephen O&#x2019;Donnell </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17438">HADOOP-17438</a> </td>
<td align="left"> Increase docker memory limit in Jenkins </td>
<td align="left"> Major </td>
<td align="left"> build, scripts, test, yetus </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16947">HADOOP-16947</a> </td>
<td align="left"> Stale record should be remove when MutableRollingAverages generating aggregate data. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Haibin Huang </td>
<td align="left"> Haibin Huang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15632">HDFS-15632</a> </td>
<td align="left"> AbstractContractDeleteTest should set recursive parameter to true for recursive test cases. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Anton Kutuzov </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-10498">HDFS-10498</a> </td>
<td align="left"> Intermittent test failure org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotFileLength.testSnapshotfileLength </td>
<td align="left"> Major </td>
<td align="left"> hdfs, snapshots </td>
<td align="left"> Hanisha Koneru </td>
<td align="left"> Jim Brennan </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17495">HADOOP-17495</a> </td>
<td align="left"> Backport HADOOP-16947 &#x201c;Stale record should be remove when MutableRollingAverages generating aggregate data.&#x201d; to branch 2.10 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Felix N </td>
<td align="left"> Felix N </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15801">HDFS-15801</a> </td>
<td align="left"> Backport HDFS-14582 to branch-2.10 (Failed to start DN with ArithmeticException when NULL checksum used) </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Janus Chow </td>
<td align="left"> Janus Chow </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10428">YARN-10428</a> </td>
<td align="left"> Zombie applications in the YARN queue using FAIR + sizebasedweight </td>
<td align="left"> Critical </td>
<td align="left"> capacityscheduler </td>
<td align="left"> Guang Yang </td>
<td align="left"> Andras Gyori </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15792">HDFS-15792</a> </td>
<td align="left"> ClasscastException while loading FSImage </td>
<td align="left"> Major </td>
<td align="left"> nn </td>
<td align="left"> Renukaprasad C </td>
<td align="left"> Renukaprasad C </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17516">HADOOP-17516</a> </td>
<td align="left"> Upgrade ant to 1.10.9 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10500">YARN-10500</a> </td>
<td align="left"> TestDelegationTokenRenewer fails intermittently </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Masatake Iwasaki </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7323">MAPREDUCE-7323</a> </td>
<td align="left"> Remove job_history_summary.py </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17510">HADOOP-17510</a> </td>
<td align="left"> Hadoop prints sensitive Cookie information. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Renukaprasad C </td>
<td align="left"> Renukaprasad C </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15422">HDFS-15422</a> </td>
<td align="left"> Reported IBR is partially replaced with stored info when queuing. </td>
<td align="left"> Critical </td>
<td align="left"> namenode </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Stephen O&#x2019;Donnell </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10651">YARN-10651</a> </td>
<td align="left"> CapacityScheduler crashed with NPE in AbstractYarnScheduler.updateNodeResource() </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Haibo Chen </td>
<td align="left"> Haibo Chen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7320">MAPREDUCE-7320</a> </td>
<td align="left"> ClusterMapReduceTestCase does not clean directories </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15849">HDFS-15849</a> </td>
<td align="left"> ExpiredHeartbeats metric should be of Type.COUNTER </td>
<td align="left"> Major </td>
<td align="left"> metrics </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Qi Zhu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17557">HADOOP-17557</a> </td>
<td align="left"> skip-dir option is not processed by Yetus </td>
<td align="left"> Major </td>
<td align="left"> build, precommit, yetus </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17572">HADOOP-17572</a> </td>
<td align="left"> [branch-2.10] Docker image build fails due to the removal of openjdk-7-jdk package </td>
<td align="left"> Blocker </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17582">HADOOP-17582</a> </td>
<td align="left"> Replace GitHub App Token with GitHub OAuth token </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17586">HADOOP-17586</a> </td>
<td align="left"> Upgrade org.codehaus.woodstox:stax2-api to 4.2.1 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ayush Saxena </td>
<td align="left"> Ayush Saxena </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10588">YARN-10588</a> </td>
<td align="left"> Percentage of queue and cluster is zero in WebUI </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Bilwa S T </td>
<td align="left"> Bilwa S T </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7322">MAPREDUCE-7322</a> </td>
<td align="left"> revisiting TestMRIntermediateDataEncryption </td>
<td align="left"> Major </td>
<td align="left"> job submission, security, test </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17592">HADOOP-17592</a> </td>
<td align="left"> Fix the wrong CIDR range example in Proxy User documentation </td>
<td align="left"> Minor </td>
<td align="left"> documentation </td>
<td align="left"> Kwangsun Noh </td>
<td align="left"> Kwangsun Noh </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7325">MAPREDUCE-7325</a> </td>
<td align="left"> Intermediate data encryption is broken in LocalJobRunner </td>
<td align="left"> Major </td>
<td align="left"> job submission, security </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10697">YARN-10697</a> </td>
<td align="left"> Resources are displayed in bytes in UI for schedulers other than capacity </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Bilwa S T </td>
<td align="left"> Bilwa S T </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17602">HADOOP-17602</a> </td>
<td align="left"> Upgrade JUnit to 4.13.1 </td>
<td align="left"> Major </td>
<td align="left"> build, security, test </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7332">MAPREDUCE-7332</a> </td>
<td align="left"> Fix SpillCallBackPathsFinder to use JDK7 on branch-2.10 </td>
<td align="left"> Minor </td>
<td align="left"> job submission, security </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10501">YARN-10501</a> </td>
<td align="left"> Can&#x2019;t remove all node labels after add node label without nodemanager port </td>
<td align="left"> Critical </td>
<td align="left"> yarn </td>
<td align="left"> caozhiqiang </td>
<td align="left"> caozhiqiang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10716">YARN-10716</a> </td>
<td align="left"> Fix typo in ContainerRuntime </td>
<td align="left"> Trivial </td>
<td align="left"> documentation </td>
<td align="left"> Wanqiang Ji </td>
<td align="left"> xishuhai </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17603">HADOOP-17603</a> </td>
<td align="left"> Upgrade tomcat-embed-core to 7.0.108 </td>
<td align="left"> Major </td>
<td align="left"> build, security </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17601">HADOOP-17601</a> </td>
<td align="left"> Upgrade Jackson databind in branch-2.10 to 2.9.10.7 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10733">YARN-10733</a> </td>
<td align="left"> TimelineService Hbase tests are failing with timeout error on branch-2.10 </td>
<td align="left"> Major </td>
<td align="left"> test, timelineserver, yarn </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15963">HDFS-15963</a> </td>
<td align="left"> Unreleased volume references cause an infinite loop </td>
<td align="left"> Critical </td>
<td align="left"> datanode </td>
<td align="left"> Shuyan Zhang </td>
<td align="left"> Shuyan Zhang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10460">YARN-10460</a> </td>
<td align="left"> Upgrading to JUnit 4.13 causes tests in TestNodeStatusUpdater to fail </td>
<td align="left"> Major </td>
<td align="left"> nodemanager, test </td>
<td align="left"> Peter Bacsko </td>
<td align="left"> Peter Bacsko </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10749">YARN-10749</a> </td>
<td align="left"> Can&#x2019;t remove all node labels after add node label without nodemanager port, broken by YARN-10647 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> D M Murali Krishna Reddy </td>
<td align="left"> D M Murali Krishna Reddy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10555">YARN-10555</a> </td>
<td align="left"> Missing access check before getAppAttempts </td>
<td align="left"> Critical </td>
<td align="left"> webapp </td>
<td align="left"> lujie </td>
<td align="left"> lujie </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17718">HADOOP-17718</a> </td>
<td align="left"> Explicitly set locale in the Dockerfile </td>
<td align="left"> Blocker </td>
<td align="left"> build </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/YARN-10770">YARN-10770</a> </td>
<td align="left"> container-executor permission is wrong in SecureContainer.md </td>
<td align="left"> Major </td>
<td align="left"> documentation </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Siddharth Ahuja </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15915">HDFS-15915</a> </td>
<td align="left"> Race condition with async edits logging due to updating txId outside of the namesystem log </td>
<td align="left"> Major </td>
<td align="left"> hdfs, namenode </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16040">HDFS-16040</a> </td>
<td align="left"> RpcQueueTime metric counts requeued calls as unique events. </td>
<td align="left"> Major </td>
<td align="left"> hdfs </td>
<td align="left"> Simbarashe Dzinamarira </td>
<td align="left"> Simbarashe Dzinamarira </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16068">HDFS-16068</a> </td>
<td align="left"> WebHdfsFileSystem has a possible connection leak in connection with HttpFS </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Takanobu Asanuma </td>
<td align="left"> Takanobu Asanuma </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15618">HDFS-15618</a> </td>
<td align="left"> Improve datanode shutdown latency </td>
<td align="left"> Major </td>
<td align="left"> datanode </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17769">HADOOP-17769</a> </td>
<td align="left"> Upgrade JUnit to 4.13.2 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10824">YARN-10824</a> </td>
<td align="left"> Title not set for JHS and NM webpages </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Rajshree Mishra </td>
<td align="left"> Bilwa S T </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7353">MAPREDUCE-7353</a> </td>
<td align="left"> Mapreduce job fails when NM is stopped </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Bilwa S T </td>
<td align="left"> Bilwa S T </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17793">HADOOP-17793</a> </td>
<td align="left"> Better token validation </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Artem Smotrakov </td>
<td align="left"> Artem Smotrakov </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16042">HDFS-16042</a> </td>
<td align="left"> DatanodeAdminMonitor scan should be delay based </td>
<td align="left"> Major </td>
<td align="left"> datanode </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17028">HADOOP-17028</a> </td>
<td align="left"> ViewFS should initialize target filesystems lazily </td>
<td align="left"> Major </td>
<td align="left"> client-mounts, fs, viewfs </td>
<td align="left"> Uma Maheswara Rao G </td>
<td align="left"> Abhishek Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17370">HADOOP-17370</a> </td>
<td align="left"> Upgrade commons-compress to 1.21 </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Dongjoon Hyun </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17886">HADOOP-17886</a> </td>
<td align="left"> Upgrade ant to 1.10.11 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17885">HADOOP-17885</a> </td>
<td align="left"> Upgrade JSON smart to 1.3.3 on branch-2.10 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16207">HDFS-16207</a> </td>
<td align="left"> Remove NN logs stack trace for non-existent xattr query </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16198">HDFS-16198</a> </td>
<td align="left"> Short circuit read leaks Slot objects when InvalidToken exception is thrown </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Eungsop Yoo </td>
<td align="left"> Eungsop Yoo </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16233">HDFS-16233</a> </td>
<td align="left"> Do not use exception handler to implement copy-on-write for EnumCounters </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Wei-Chiu Chuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16181">HDFS-16181</a> </td>
<td align="left"> [SBN Read] Fix metric of RpcRequestCacheMissAmount can&#x2019;t display when tailEditLog form JN </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> wangzhaohui </td>
<td align="left"> wangzhaohui </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8127">YARN-8127</a> </td>
<td align="left"> Resource leak when async scheduling is enabled </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Weiwei Yang </td>
<td align="left"> Tao Yang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17964">HADOOP-17964</a> </td>
<td align="left"> Increase Java heap size for running Maven in Dockerfile of branch-2.10 </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Masatake Iwasaki </td>
<td align="left"> Masatake Iwasaki </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16532">HADOOP-16532</a> </td>
<td align="left"> Fix TestViewFsTrash to use the correct homeDir. </td>
<td align="left"> Minor </td>
<td align="left"> test, viewfs </td>
<td align="left"> Steve Loughran </td>
<td align="left"> Xing Lin </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17965">HADOOP-17965</a> </td>
<td align="left"> Fix documentation build failure using JDK 7 on branch-2.10 </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Masatake Iwasaki </td>
<td align="left"> Masatake Iwasaki </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-7612">HDFS-7612</a> </td>
<td align="left"> TestOfflineEditsViewer.testStored() uses incorrect default value for cacheDir </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Michael Kuchenbecker </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17978">HADOOP-17978</a> </td>
<td align="left"> Exclude ASF license check for pkg-resolver JSON </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Gautham Banasandra </td>
<td align="left"> Gautham Banasandra </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17880">HADOOP-17880</a> </td>
<td align="left"> Build Hadoop on Centos 7 </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> baizhendong </td>
<td align="left"> </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17988">HADOOP-17988</a> </td>
<td align="left"> Disable JIRA plugin for YETUS on Hadoop </td>
<td align="left"> Critical </td>
<td align="left"> build </td>
<td align="left"> Gautham Banasandra </td>
<td align="left"> Gautham Banasandra </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16311">HDFS-16311</a> </td>
<td align="left"> Metric metadataOperationRate calculation error in DataNodeVolumeMetrics </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Tao Li </td>
<td align="left"> Tao Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17999">HADOOP-17999</a> </td>
<td align="left"> No-op implementation of setWriteChecksum and setVerifyChecksum in ViewFileSystem </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Abhishek Das </td>
<td align="left"> Abhishek Das </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-9063">YARN-9063</a> </td>
<td align="left"> ATS 1.5 fails to start if RollingLevelDb files are corrupt or missing </td>
<td align="left"> Major </td>
<td align="left"> timelineserver, timelineservice </td>
<td align="left"> Tarun Parimi </td>
<td align="left"> Ashutosh Gupta </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18049">HADOOP-18049</a> </td>
<td align="left"> Pin python lazy-object-proxy to 1.6.0 in Docker file as newer versions are incompatible with python2.7 </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Dhananjay Badaya </td>
<td align="left"> Dhananjay Badaya </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-13500">HADOOP-13500</a> </td>
<td align="left"> Synchronizing iteration of Configuration properties object </td>
<td align="left"> Major </td>
<td align="left"> conf </td>
<td align="left"> Jason Darrell Lowe </td>
<td align="left"> Dhananjay Badaya </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10178">YARN-10178</a> </td>
<td align="left"> Global Scheduler async thread crash caused by &#x2019;Comparison method violates its general contract </td>
<td align="left"> Major </td>
<td align="left"> capacity scheduler </td>
<td align="left"> tuyu </td>
<td align="left"> Andras Gyori </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16410">HDFS-16410</a> </td>
<td align="left"> Insecure Xml parsing in OfflineEditsXmlLoader </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Ashutosh Gupta </td>
<td align="left"> Ashutosh Gupta </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18158">HADOOP-18158</a> </td>
<td align="left"> Fix failure of create-release script due to releasedocmaker changes in branch-2.10 </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Masatake Iwasaki </td>
<td align="left"> Masatake Iwasaki </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18129">HADOOP-18129</a> </td>
<td align="left"> Change URI[] in INodeLink to String[] to reduce memory footprint of ViewFileSystem </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Abhishek Das </td>
<td align="left"> Abhishek Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16517">HDFS-16517</a> </td>
<td align="left"> In 2.10 the distance metric is wrong for non-DN machines </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-16518">HDFS-16518</a> </td>
<td align="left"> KeyProviderCache close cached KeyProvider with Hadoop ShutdownHookManager </td>
<td align="left"> Major </td>
<td align="left"> hdfs </td>
<td align="left"> Lei Yang </td>
<td align="left"> Lei Yang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18169">HADOOP-18169</a> </td>
<td align="left"> getDelegationTokens in ViewFs should also fetch the token from the fallback FS </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Xing Lin </td>
<td align="left"> Xing Lin </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10720">YARN-10720</a> </td>
<td align="left"> YARN WebAppProxyServlet should support connection timeout to prevent proxy server from hanging </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Qi Zhu </td>
<td align="left"> Qi Zhu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-11041">HDFS-11041</a> </td>
<td align="left"> Unable to unregister FsDatasetState MBean if DataNode is shutdown twice </td>
<td align="left"> Trivial </td>
<td align="left"> datanode </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/MAPREDUCE-7246">MAPREDUCE-7246</a> </td>
<td align="left"> In MapredAppMasterRest#Mapreduce_Application_Master_Info_API, the datatype of appId should be &#x201c;string&#x201d;. </td>
<td align="left"> Major </td>
<td align="left"> documentation </td>
<td align="left"> jenny </td>
<td align="left"> Ashutosh Gupta </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-11126">YARN-11126</a> </td>
<td align="left"> ZKConfigurationStore Java deserialisation vulnerability </td>
<td align="left"> Major </td>
<td align="left"> yarn </td>
<td align="left"> Tamas Domok </td>
<td align="left"> Tamas Domok </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-11162">YARN-11162</a> </td>
<td align="left"> Set the zk acl for nodes created by ZKConfigurationStore. </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
</tbody>
</table></section><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-7011">MAPREDUCE-7011</a> </td>
<td align="left"> TestClientDistributedCacheManager::testDetermineCacheVisibilities assumes all parent dirs set other exec </td>
<td align="left"> Trivial </td>
<td align="left"> . </td>
<td align="left"> Christopher Douglas </td>
<td align="left"> Christopher Douglas </td></tr>
</tbody>
</table></section><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/HADOOP-15133">HADOOP-15133</a> </td>
<td align="left"> [JDK9] Ignore com.sun.javadoc.* and com.sun.tools.* in animal-sniffer-maven-plugin to compile with Java 9 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15293">HADOOP-15293</a> </td>
<td align="left"> TestLogLevel fails on Java 9 </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Takanobu Asanuma </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15513">HADOOP-15513</a> </td>
<td align="left"> Add additional test cases to cover some corner cases for FileUtil#symlink </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Giovanni Matteo Fumarola </td>
<td align="left"> Giovanni Matteo Fumarola </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15783">HADOOP-15783</a> </td>
<td align="left"> [JDK10] TestSFTPFileSystem.testGetModifyTime fails </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16764">HADOOP-16764</a> </td>
<td align="left"> Rewrite Python example codes using Python3 </td>
<td align="left"> Minor </td>
<td align="left"> documentation </td>
<td align="left"> Kengo Seki </td>
<td align="left"> Kengo Seki </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16767">HADOOP-16767</a> </td>
<td align="left"> S3AInputStream reopening does not handle non IO exceptions properly </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Sergei Poganshev </td>
<td align="left"> Sergei Poganshev </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17336">HADOOP-17336</a> </td>
<td align="left"> Backport HADOOP-16005-&#x201c;NativeAzureFileSystem does not support setXAttr&#x201d; and HADOOP-16785. &#x201c;Improve wasb and abfs resilience on double close() calls. followup to abfs close() fix.&#x201d; to branch-2.10 </td>
<td align="left"> Major </td>
<td align="left"> fs/azure </td>
<td align="left"> Sally Zuo </td>
<td align="left"> Sally Zuo </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15716">HDFS-15716</a> </td>
<td align="left"> TestUpgradeDomainBlockPlacementPolicy flaky </td>
<td align="left"> Major </td>
<td align="left"> namenode, test </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-16748">HADOOP-16748</a> </td>
<td align="left"> Migrate to Python 3 and upgrade Yetus to 0.13.0 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13975">HDFS-13975</a> </td>
<td align="left"> TestBalancer#testMaxIterationTime fails sporadically </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Jason Darrell Lowe </td>
<td align="left"> Toshihiko Uchida </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16072">HDFS-16072</a> </td>
<td align="left"> TestBlockRecovery fails consistently on Branch-2.10 </td>
<td align="left"> Major </td>
<td align="left"> datanode, test </td>
<td align="left"> Ahmed Hussein </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15659">HDFS-15659</a> </td>
<td align="left"> Set dfs.namenode.redundancy.considerLoad to false in MiniDFSCluster </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Akira Ajisaka </td>
<td align="left"> Ahmed Hussein </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17952">HADOOP-17952</a> </td>
<td align="left"> Replace Guava VisibleForTesting by Hadoop&#x2019;s own annotation in hadoop-common-project modules </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Viraj Jasani </td>
<td align="left"> Viraj Jasani </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8546">YARN-8546</a> </td>
<td align="left"> Resource leak caused by a reserved container being released more than once under async scheduling </td>
<td align="left"> Major </td>
<td align="left"> capacity scheduler </td>
<td align="left"> Weiwei Yang </td>
<td align="left"> Tao Yang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13248">HDFS-13248</a> </td>
<td align="left"> RBF: Namenode need to choose block location for the client </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Wu Weiwei </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
</tbody>
</table></section><section>
<h3><a name="OTHER:"></a>OTHER:</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-15808">HDFS-15808</a> </td>
<td align="left"> Add metrics for FSNamesystem read/write lock hold long time </td>
<td align="left"> Major </td>
<td align="left"> hdfs </td>
<td align="left"> Tao Li </td>
<td align="left"> Tao Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16298">HDFS-16298</a> </td>
<td align="left"> Improve error msg for BlockMissingException </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Tao Li </td>
<td align="left"> Tao Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16312">HDFS-16312</a> </td>
<td align="left"> Fix typo for DataNodeVolumeMetrics and ProfilingFileIoEvents </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Tao Li </td>
<td align="left"> Tao Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-10540">YARN-10540</a> </td>
<td align="left"> Node page is broken in YARN UI1 and UI2 including RMWebService api for nodes </td>
<td align="left"> Critical </td>
<td align="left"> webapp </td>
<td align="left"> Sunil G </td>
<td align="left"> Jim Brennan </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17445">HADOOP-17445</a> </td>
<td align="left"> Update the year to 2021 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Xiaoqiao He </td>
<td align="left"> Xiaoqiao He </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-17571">HADOOP-17571</a> </td>
<td align="left"> Upgrade com.fasterxml.woodstox:woodstox-core for security reasons </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Viraj Jasani </td>
<td align="left"> Viraj Jasani </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-15895">HDFS-15895</a> </td>
<td align="left"> DFSAdmin#printOpenFiles has redundant String#format usage </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Viraj Jasani </td>
<td align="left"> Viraj Jasani </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18061">HADOOP-18061</a> </td>
<td align="left"> Update the year to 2022 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Ayush Saxena </td>
<td align="left"> Ayush Saxena </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18191">HADOOP-18191</a> </td>
<td align="left"> Log retry count while handling exceptions in RetryInvocationHandler </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Viraj Jasani </td>
<td align="left"> Viraj Jasani </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-18125">HADOOP-18125</a> </td>
<td align="left"> Utility to identify git commit / Jira fixVersion discrepancies for RC preparation </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Viraj Jasani </td>
<td align="left"> Viraj Jasani </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-16551">HDFS-16551</a> </td>
<td align="left"> Backport HADOOP-17588 to 3.3 and other active old branches. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Renukaprasad C </td>
<td align="left"> Renukaprasad C </td></tr>
</tbody>
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