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<h1>Apache Hadoop Changelog</h1>
<div class="section">
<h2><a name="Release_3.0.4_-_Unreleased_.28as_of_2018-09-02.29"></a>Release 3.0.4 - Unreleased (as of 2018-09-02)</h2>
<div class="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/HDFS-13448">HDFS-13448</a> </td>
<td align="left"> HDFS Block Placement - Ignore Locality for First Block Replica </td>
<td align="left"> Minor </td>
<td align="left"> block placement, hdfs-client </td>
<td align="left"> BELUGA BEHR </td>
<td align="left"> BELUGA BEHR </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/HADOOP-15252">HADOOP-15252</a> </td>
<td align="left"> Checkstyle version is not compatible with IDEA&#x2019;s checkstyle plugin </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Andras Bokor </td>
<td align="left"> Andras Bokor </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13602">HDFS-13602</a> </td>
<td align="left"> Add checkOperation(WRITE) checks in FSNamesystem </td>
<td align="left"> Major </td>
<td align="left"> ha, namenode </td>
<td align="left"> Erik Krogen </td>
<td align="left"> Chao Sun </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13155">HDFS-13155</a> </td>
<td align="left"> BlockPlacementPolicyDefault.chooseTargetInOrder Not Checking Return Value for NULL </td>
<td align="left"> Minor </td>
<td align="left"> namenode </td>
<td align="left"> BELUGA BEHR </td>
<td align="left"> Zsolt Venczel </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13659">HDFS-13659</a> </td>
<td align="left"> Add more test coverage for contentSummary for snapshottable path </td>
<td align="left"> Major </td>
<td align="left"> namenode, test </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/HADOOP-15499">HADOOP-15499</a> </td>
<td align="left"> Performance severe drop when running RawErasureCoderBenchmark with NativeRSRawErasureCoder </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Sammi Chen </td>
<td align="left"> Sammi Chen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13653">HDFS-13653</a> </td>
<td align="left"> Make dfs.client.failover.random.order a per nameservice configuration </td>
<td align="left"> Major </td>
<td align="left"> federation </td>
<td align="left"> Ekanth Sethuramalingam </td>
<td align="left"> Ekanth Sethuramalingam </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8394">YARN-8394</a> </td>
<td align="left"> Improve data locality documentation for Capacity Scheduler </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Weiwei Yang </td>
<td align="left"> Weiwei Yang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13641">HDFS-13641</a> </td>
<td align="left"> Add metrics for edit log tailing </td>
<td align="left"> Major </td>
<td align="left"> metrics </td>
<td align="left"> Chao Sun </td>
<td align="left"> Chao Sun </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13686">HDFS-13686</a> </td>
<td align="left"> Add overall metrics for FSNamesystemLock </td>
<td align="left"> Major </td>
<td align="left"> hdfs, namenode </td>
<td align="left"> Lukas Majercak </td>
<td align="left"> Lukas Majercak </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13692">HDFS-13692</a> </td>
<td align="left"> StorageInfoDefragmenter floods log when compacting StorageInfo TreeSet </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Yiqun Lin </td>
<td align="left"> Bharat Viswanadham </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13703">HDFS-13703</a> </td>
<td align="left"> Avoid allocation of CorruptedBlocks hashmap when no corrupted blocks are hit </td>
<td align="left"> Major </td>
<td align="left"> performance </td>
<td align="left"> Todd Lipcon </td>
<td align="left"> Todd Lipcon </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15554">HADOOP-15554</a> </td>
<td align="left"> Improve JIT performance for Configuration parsing </td>
<td align="left"> Minor </td>
<td align="left"> conf, performance </td>
<td align="left"> Todd Lipcon </td>
<td align="left"> Todd Lipcon </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13714">HDFS-13714</a> </td>
<td align="left"> Fix TestNameNodePrunesMissingStorages test failures on Windows </td>
<td align="left"> Major </td>
<td align="left"> hdfs, namenode, test </td>
<td align="left"> Lukas Majercak </td>
<td align="left"> Lukas Majercak </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13712">HDFS-13712</a> </td>
<td align="left"> BlockReaderRemote.read() logging improvement </td>
<td align="left"> Minor </td>
<td align="left"> hdfs-client </td>
<td align="left"> Gergo Repas </td>
<td align="left"> Gergo Repas </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13719">HDFS-13719</a> </td>
<td align="left"> Docs around dfs.image.transfer.timeout are misleading </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Kitti Nanasi </td>
<td align="left"> Kitti Nanasi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15598">HADOOP-15598</a> </td>
<td align="left"> DataChecksum calculate checksum is contented on hashtable synchronization </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Prasanth Jayachandran </td>
<td align="left"> Prasanth Jayachandran </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15609">HADOOP-15609</a> </td>
<td align="left"> Retry KMS calls when SSLHandshakeException occurs </td>
<td align="left"> Major </td>
<td align="left"> common, kms </td>
<td align="left"> Kitti Nanasi </td>
<td align="left"> Kitti Nanasi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15612">HADOOP-15612</a> </td>
<td align="left"> Improve exception when tfile fails to load LzoCodec </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Gera Shegalov </td>
<td align="left"> Gera Shegalov </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-11060">HDFS-11060</a> </td>
<td align="left"> make DEFAULT_MAX_CORRUPT_FILEBLOCKS_RETURNED configurable </td>
<td align="left"> Minor </td>
<td align="left"> hdfs </td>
<td align="left"> Lantao Jin </td>
<td align="left"> Lantao Jin </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13727">HDFS-13727</a> </td>
<td align="left"> Log full stack trace if DiskBalancer exits with an unhandled exception </td>
<td align="left"> Minor </td>
<td align="left"> diskbalancer </td>
<td align="left"> Stephen O&#x2019;Donnell </td>
<td align="left"> Gabor Bota </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8155">YARN-8155</a> </td>
<td align="left"> Improve ATSv2 client logging in RM and NM publisher </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Rohith Sharma K S </td>
<td align="left"> Abhishek Modi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13728">HDFS-13728</a> </td>
<td align="left"> Disk Balancer should not fail if volume usage is greater than capacity </td>
<td align="left"> Minor </td>
<td align="left"> diskbalancer </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/YARN-8568">YARN-8568</a> </td>
<td align="left"> Replace the deprecated zk-address property in the HA config example in ResourceManagerHA.md </td>
<td align="left"> Minor </td>
<td align="left"> yarn </td>
<td align="left"> Antal B&#xe1;lint Steinbach </td>
<td align="left"> Antal B&#xe1;lint Steinbach </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13814">HDFS-13814</a> </td>
<td align="left"> Remove super user privilege requirement for NameNode.getServiceStatus </td>
<td align="left"> Minor </td>
<td align="left"> namenode </td>
<td align="left"> Chao Sun </td>
<td align="left"> Chao Sun </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8559">YARN-8559</a> </td>
<td align="left"> Expose mutable-conf scheduler&#x2019;s configuration in RM /scheduler-conf endpoint </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Anna Savarin </td>
<td align="left"> Weiwei Yang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13813">HDFS-13813</a> </td>
<td align="left"> Exit NameNode if dangling child inode is detected when saving FsImage </td>
<td align="left"> Major </td>
<td align="left"> hdfs, namenode </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/HDFS-13821">HDFS-13821</a> </td>
<td align="left"> RBF: Add dfs.federation.router.mount-table.cache.enable so that users can disable cache </td>
<td align="left"> Major </td>
<td align="left"> hdfs </td>
<td align="left"> Fei Hui </td>
<td align="left"> Fei Hui </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13831">HDFS-13831</a> </td>
<td align="left"> Make block increment deletion number configurable </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Yiqun Lin </td>
<td align="left"> Ryan Wu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8051">YARN-8051</a> </td>
<td align="left"> TestRMEmbeddedElector#testCallbackSynchronization is flakey </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Robert Kanter </td>
<td align="left"> Robert Kanter </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-12857">HDFS-12857</a> </td>
<td align="left"> StoragePolicyAdmin should support schema based path </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Surendra Singh Lilhore </td>
<td align="left"> Surendra Singh Lilhore </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7835">YARN-7835</a> </td>
<td align="left"> [Atsv2] Race condition in NM while publishing events if second attempt is launched on the same node </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Rohith Sharma K S </td>
<td align="left"> Rohith Sharma K S </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-7773">YARN-7773</a> </td>
<td align="left"> YARN Federation used Mysql as state store throw exception, Unknown column &#x2018;homeSubCluster&#x2019; in &#x2018;field list&#x2019; </td>
<td align="left"> Blocker </td>
<td align="left"> federation </td>
<td align="left"> Yiran Wu </td>
<td align="left"> Yiran Wu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13636">HDFS-13636</a> </td>
<td align="left"> Cross-Site Scripting vulnerability in HttpServer2 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Haibo Yan </td>
<td align="left"> Haibo Yan </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13339">HDFS-13339</a> </td>
<td align="left"> Volume reference can&#x2019;t be released and may lead to deadlock when DataXceiver does a check volume </td>
<td align="left"> Critical </td>
<td align="left"> datanode </td>
<td align="left"> liaoyuxiangqin </td>
<td align="left"> Zsolt Venczel </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8382">YARN-8382</a> </td>
<td align="left"> cgroup file leak in NM </td>
<td align="left"> Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Hu Ziqian </td>
<td align="left"> Hu Ziqian </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13545">HDFS-13545</a> </td>
<td align="left"> &#x201c;guarded&#x201d; is misspelled as &#x201c;gaurded&#x201d; in FSPermissionChecker.java </td>
<td align="left"> Trivial </td>
<td align="left"> documentation </td>
<td align="left"> Jianchao Jia </td>
<td align="left"> Jianchao Jia </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7103">MAPREDUCE-7103</a> </td>
<td align="left"> Fix TestHistoryViewerPrinter on windows due to a mismatch line separator </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Giovanni Matteo Fumarola </td>
<td align="left"> Giovanni Matteo Fumarola </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15217">HADOOP-15217</a> </td>
<td align="left"> FsUrlConnection does not handle paths with spaces </td>
<td align="left"> Major </td>
<td align="left"> fs </td>
<td align="left"> Joseph Fourny </td>
<td align="left"> Zsolt Venczel </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12950">HDFS-12950</a> </td>
<td align="left"> [oiv] ls will fail in secure cluster </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Brahma Reddy Battula </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/YARN-8359">YARN-8359</a> </td>
<td align="left"> Exclude containermanager.linux test classes on Windows </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Giovanni Matteo Fumarola </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13664">HDFS-13664</a> </td>
<td align="left"> Refactor ConfiguredFailoverProxyProvider to make inheritance easier </td>
<td align="left"> Minor </td>
<td align="left"> hdfs-client </td>
<td align="left"> Chao Sun </td>
<td align="left"> Chao Sun </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-12670">HDFS-12670</a> </td>
<td align="left"> can&#x2019;t renew HDFS tokens with only the hdfs client jar </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Thomas Graves </td>
<td align="left"> Arpit Agarwal </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13667">HDFS-13667</a> </td>
<td align="left"> Typo: Marking all &#x201c;datandoes&#x201d; as stale </td>
<td align="left"> Trivial </td>
<td align="left"> namenode </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Nanda kumar </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8405">YARN-8405</a> </td>
<td align="left"> RM zk-state-store.parent-path ACLs has been changed since HADOOP-14773 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Rohith Sharma K S </td>
<td align="left"> &#xcd;&#xf1;igo Goiri </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8404">YARN-8404</a> </td>
<td align="left"> Timeline event publish need to be async to avoid Dispatcher thread leak in case ATS is down </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Rohith Sharma K S </td>
<td align="left"> Rohith Sharma K S </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13673">HDFS-13673</a> </td>
<td align="left"> TestNameNodeMetrics fails on Windows </td>
<td align="left"> Minor </td>
<td align="left"> test </td>
<td align="left"> Zuoming Zhang </td>
<td align="left"> Zuoming Zhang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13676">HDFS-13676</a> </td>
<td align="left"> TestEditLogRace fails on Windows </td>
<td align="left"> Minor </td>
<td align="left"> test </td>
<td align="left"> Zuoming Zhang </td>
<td align="left"> Zuoming Zhang </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"> Istvan Fajth </td>
<td align="left"> Istvan Fajth </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15523">HADOOP-15523</a> </td>
<td align="left"> Shell command timeout given is in seconds whereas it is taken as millisec while scheduling </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="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13682">HDFS-13682</a> </td>
<td align="left"> Cannot create encryption zone after KMS auth token expires </td>
<td align="left"> Critical </td>
<td align="left"> encryption, kms, namenode </td>
<td align="left"> Xiao Chen </td>
<td align="left"> Xiao Chen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8444">YARN-8444</a> </td>
<td align="left"> NodeResourceMonitor crashes on bad swapFree value </td>
<td align="left"> Major </td>
<td align="left"> . </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-8443">YARN-8443</a> </td>
<td align="left"> Total #VCores in cluster metrics is wrong when CapacityScheduler reserved some containers </td>
<td align="left"> Major </td>
<td align="left"> webapp </td>
<td align="left"> Tao Yang </td>
<td align="left"> Tao Yang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8457">YARN-8457</a> </td>
<td align="left"> Compilation is broken with -Pyarn-ui </td>
<td align="left"> Major </td>
<td align="left"> webapp </td>
<td align="left"> Sunil Govindan </td>
<td align="left"> Sunil Govindan </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8401">YARN-8401</a> </td>
<td align="left"> [UI2] new ui is not accessible with out internet connection </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Bibin A Chundatt </td>
<td align="left"> Bibin A Chundatt </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8451">YARN-8451</a> </td>
<td align="left"> Multiple NM heartbeat thread created when a slow NM resync with RM </td>
<td align="left"> Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Botong Huang </td>
<td align="left"> Botong Huang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15548">HADOOP-15548</a> </td>
<td align="left"> Randomize local dirs </td>
<td align="left"> Minor </td>
<td align="left"> . </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-13702">HDFS-13702</a> </td>
<td align="left"> Remove HTrace hooks from DFSClient to reduce CPU usage </td>
<td align="left"> Major </td>
<td align="left"> performance </td>
<td align="left"> Todd Lipcon </td>
<td align="left"> Todd Lipcon </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13635">HDFS-13635</a> </td>
<td align="left"> Incorrect message when block is not found </td>
<td align="left"> Major </td>
<td align="left"> datanode </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Gabor Bota </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15571">HADOOP-15571</a> </td>
<td align="left"> Multiple FileContexts created with the same configuration object should be allowed to have different umask </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Vinod Kumar Vavilapalli </td>
<td align="left"> Vinod Kumar Vavilapalli </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13121">HDFS-13121</a> </td>
<td align="left"> NPE when request file descriptors when SC read </td>
<td align="left"> Minor </td>
<td align="left"> hdfs-client </td>
<td align="left"> Gang Xie </td>
<td align="left"> Zsolt Venczel </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-6265">YARN-6265</a> </td>
<td align="left"> yarn.resourcemanager.fail-fast is used inconsistently </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Daniel Templeton </td>
<td align="left"> Yuanbo Liu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8473">YARN-8473</a> </td>
<td align="left"> Containers being launched as app tears down can leave containers in NEW state </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/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/HDFS-12837">HDFS-12837</a> </td>
<td align="left"> Intermittent failure in TestReencryptionWithKMS </td>
<td align="left"> Major </td>
<td align="left"> encryption, test </td>
<td align="left"> Surendra Singh Lilhore </td>
<td align="left"> Xiao Chen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13729">HDFS-13729</a> </td>
<td align="left"> Fix broken links to RBF documentation </td>
<td align="left"> Minor </td>
<td align="left"> documentation </td>
<td align="left"> jwhitter </td>
<td align="left"> Gabor Bota </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8515">YARN-8515</a> </td>
<td align="left"> container-executor can crash with SIGPIPE after nodemanager restart </td>
<td align="left"> Major </td>
<td align="left"> . </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-8421">YARN-8421</a> </td>
<td align="left"> when moving app, activeUsers is increased, even though app does not have outstanding request </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> kyungwan nam </td>
<td align="left"> </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13524">HDFS-13524</a> </td>
<td align="left"> Occasional &#x201c;All datanodes are bad&#x201d; error in TestLargeBlock#testLargeBlockSize </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Siyao Meng </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15610">HADOOP-15610</a> </td>
<td align="left"> Hadoop Docker Image Pip Install Fails </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Jack Bearden </td>
<td align="left"> Jack Bearden </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15614">HADOOP-15614</a> </td>
<td align="left"> TestGroupsCaching.testExceptionOnBackgroundRefreshHandled reliably fails </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Weiwei Yang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8548">YARN-8548</a> </td>
<td align="left"> AllocationRespose proto setNMToken initBuilder not done </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Bibin A Chundatt </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-7748">YARN-7748</a> </td>
<td align="left"> TestContainerResizing.testIncreaseContainerUnreservedWhenApplicationCompleted fails due to multiple container fail events </td>
<td align="left"> Major </td>
<td align="left"> capacityscheduler </td>
<td align="left"> Haibo Chen </td>
<td align="left"> Weiwei Yang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8577">YARN-8577</a> </td>
<td align="left"> Fix the broken anchor in SLS site-doc </td>
<td align="left"> Minor </td>
<td align="left"> documentation </td>
<td align="left"> Weiwei Yang </td>
<td align="left"> Weiwei Yang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4606">YARN-4606</a> </td>
<td align="left"> CapacityScheduler: applications could get starved because computation of #activeUsers considers pending apps </td>
<td align="left"> Critical </td>
<td align="left"> capacity scheduler, capacityscheduler </td>
<td align="left"> Karam Singh </td>
<td align="left"> Manikandan R </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13765">HDFS-13765</a> </td>
<td align="left"> Fix javadoc for FSDirMkdirOp#createParentDirectories </td>
<td align="left"> Minor </td>
<td align="left"> documentation </td>
<td align="left"> Lokesh Jain </td>
<td align="left"> Lokesh Jain </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8434">YARN-8434</a> </td>
<td align="left"> Update federation documentation of Nodemanager configurations </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Bibin A Chundatt </td>
<td align="left"> Bibin A Chundatt </td></tr>
<tr class="a">
<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 A Chundatt </td>
<td align="left"> Bibin A Chundatt </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15637">HADOOP-15637</a> </td>
<td align="left"> LocalFs#listLocatedStatus does not filter out hidden .crc files </td>
<td align="left"> Minor </td>
<td align="left"> fs </td>
<td align="left"> Erik Krogen </td>
<td align="left"> Erik Krogen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8397">YARN-8397</a> </td>
<td align="left"> Potential thread leak in ActivitiesManager </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Rohith Sharma K S </td>
<td align="left"> Rohith Sharma K S </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-6966">YARN-6966</a> </td>
<td align="left"> NodeManager metrics may return wrong negative values when NM restart </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Yang Wang </td>
<td align="left"> Szilard Nemeth </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13786">HDFS-13786</a> </td>
<td align="left"> EC: Display erasure coding policy for sub-directories is not working </td>
<td align="left"> Major </td>
<td align="left"> erasure-coding </td>
<td align="left"> Souryakanta Dwivedy </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-8331">YARN-8331</a> </td>
<td align="left"> Race condition in NM container launched after done </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Yang Wang </td>
<td align="left"> Pradeep Ambati </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15638">HADOOP-15638</a> </td>
<td align="left"> KMS Accept Queue Size default changed from 500 to 128 in Hadoop 3.x </td>
<td align="left"> Major </td>
<td align="left"> kms </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-13738">HDFS-13738</a> </td>
<td align="left"> fsck -list-corruptfileblocks has infinite loop if user is not privileged. </td>
<td align="left"> Major </td>
<td align="left"> tools </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> Yuen-Kuei Hsueh </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13758">HDFS-13758</a> </td>
<td align="left"> DatanodeManager should throw exception if it has BlockRecoveryCommand but the block is not under construction </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Wei-Chiu Chuang </td>
<td align="left"> chencan </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8614">YARN-8614</a> </td>
<td align="left"> Fix few annotation typos in YarnConfiguration </td>
<td align="left"> Trivial </td>
<td align="left"> . </td>
<td align="left"> Sen Zhao </td>
<td align="left"> Sen Zhao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13746">HDFS-13746</a> </td>
<td align="left"> Still occasional &#x201c;Should be different group&#x201d; failure in TestRefreshUserMappings#testGroupMappingRefresh </td>
<td align="left"> Major </td>
<td align="left"> . </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/HDFS-10240">HDFS-10240</a> </td>
<td align="left"> Race between close/recoverLease leads to missing block </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> zhouyingchao </td>
<td align="left"> Jinglun </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8612">YARN-8612</a> </td>
<td align="left"> Fix NM Collector Service Port issue in YarnConfiguration </td>
<td align="left"> Major </td>
<td align="left"> ATSv2 </td>
<td align="left"> Prabha Manepalli </td>
<td align="left"> Prabha Manepalli </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13747">HDFS-13747</a> </td>
<td align="left"> Statistic for list_located_status is incremented incorrectly by listStatusIterator </td>
<td align="left"> Minor </td>
<td align="left"> hdfs-client </td>
<td align="left"> Todd Lipcon </td>
<td align="left"> Antal Mihalyi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15674">HADOOP-15674</a> </td>
<td align="left"> Test failure TestSSLHttpServer.testExcludedCiphers with TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 cipher suite </td>
<td align="left"> Major </td>
<td align="left"> common </td>
<td align="left"> Gabor Bota </td>
<td align="left"> Szilard Nemeth </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8640">YARN-8640</a> </td>
<td align="left"> Restore previous state in container-executor after failure </td>
<td align="left"> Major </td>
<td align="left"> . </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-8679">YARN-8679</a> </td>
<td align="left"> [ATSv2] If HBase cluster is down for long time, high chances that NM ContainerManager dispatcher get blocked </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Rohith Sharma K S </td>
<td align="left"> Wangda Tan </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-14314">HADOOP-14314</a> </td>
<td align="left"> The OpenSolaris taxonomy link is dead in InterfaceClassification.md </td>
<td align="left"> Major </td>
<td align="left"> documentation </td>
<td align="left"> Daniel Templeton </td>
<td align="left"> Rui Gao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8649">YARN-8649</a> </td>
<td align="left"> NPE in localizer hearbeat processing if a container is killed while localizing </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-8719">YARN-8719</a> </td>
<td align="left"> Typo correction for yarn configuration in OpportunisticContainers(federation) docs </td>
<td align="left"> Major </td>
<td align="left"> documentation, federation </td>
<td align="left"> Y. SREENIVASULU REDDY </td>
<td align="left"> Y. SREENIVASULU REDDY </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13731">HDFS-13731</a> </td>
<td align="left"> ReencryptionUpdater fails with ConcurrentModificationException during processCheckpoints </td>
<td align="left"> Major </td>
<td align="left"> encryption </td>
<td align="left"> Xiao Chen </td>
<td align="left"> Zsolt Venczel </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15705">HADOOP-15705</a> </td>
<td align="left"> Typo in the definition of &#x201c;stable&#x201d; in the interface classification </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Daniel Templeton </td>
<td align="left"> Daniel Templeton </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13863">HDFS-13863</a> </td>
<td align="left"> FsDatasetImpl should log DiskOutOfSpaceException </td>
<td align="left"> Major </td>
<td align="left"> hdfs </td>
<td align="left"> Fei Hui </td>
<td align="left"> Fei Hui </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15698">HADOOP-15698</a> </td>
<td align="left"> KMS log4j is not initialized properly at startup </td>
<td align="left"> Major </td>
<td align="left"> kms </td>
<td align="left"> Kitti Nanasi </td>
<td align="left"> Kitti Nanasi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15706">HADOOP-15706</a> </td>
<td align="left"> Typo in compatibility doc: SHOUD -&gt; SHOULD </td>
<td align="left"> Trivial </td>
<td align="left"> . </td>
<td align="left"> Daniel Templeton </td>
<td align="left"> Laszlo Kollar </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13027">HDFS-13027</a> </td>
<td align="left"> Handle possible NPEs due to deleted blocks in race condition </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Vinayakumar B </td>
<td align="left"> Vinayakumar B </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/HDFS-13632">HDFS-13632</a> </td>
<td align="left"> Randomize baseDir for MiniJournalCluster in MiniQJMHACluster for TestDFSAdminWithHA </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Anbang Hu </td>
<td align="left"> Anbang Hu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13651">HDFS-13651</a> </td>
<td align="left"> TestReencryptionHandler fails on Windows </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Anbang Hu </td>
<td align="left"> Anbang Hu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-7102">MAPREDUCE-7102</a> </td>
<td align="left"> Fix TestJavaSerialization for Windows due a mismatch line separator </td>
<td align="left"> Minor </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/MAPREDUCE-7105">MAPREDUCE-7105</a> </td>
<td align="left"> Fix TestNativeCollectorOnlyHandler.testOnCall on Windows because of the path format </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Giovanni Matteo Fumarola </td>
<td align="left"> Giovanni Matteo Fumarola </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13652">HDFS-13652</a> </td>
<td align="left"> Randomize baseDir for MiniDFSCluster in TestBlockScanner </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Anbang Hu </td>
<td align="left"> Anbang Hu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13649">HDFS-13649</a> </td>
<td align="left"> Randomize baseDir for MiniDFSCluster in TestReconstructStripedFile and TestReconstructStripedFileWithRandomECPolicy </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Anbang Hu </td>
<td align="left"> Anbang Hu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13650">HDFS-13650</a> </td>
<td align="left"> Randomize baseDir for MiniDFSCluster in TestDFSStripedInputStream and TestDFSStripedInputStreamWithRandomECPolicy </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Anbang Hu </td>
<td align="left"> Anbang Hu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8370">YARN-8370</a> </td>
<td align="left"> Some Node Manager tests fail on Windows due to improper path/file separator </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Anbang Hu </td>
<td align="left"> Anbang Hu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-8422">YARN-8422</a> </td>
<td align="left"> TestAMSimulator failing with NPE </td>
<td align="left"> Minor </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-15532">HADOOP-15532</a> </td>
<td align="left"> TestBasicDiskValidator fails with NoSuchFileException </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> &#xcd;&#xf1;igo Goiri </td>
<td align="left"> Giovanni Matteo Fumarola </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13563">HDFS-13563</a> </td>
<td align="left"> TestDFSAdminWithHA times out on Windows </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Anbang Hu </td>
<td align="left"> Lukas Majercak </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13681">HDFS-13681</a> </td>
<td align="left"> Fix TestStartup.testNNFailToStartOnReadOnlyNNDir test failure on Windows </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Xiao Liang </td>
<td align="left"> Xiao Liang </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/HDFS-12978">HDFS-12978</a> </td>
<td align="left"> Fine-grained locking while consuming journal stream. </td>
<td align="left"> Major </td>
<td align="left"> 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-13637">HDFS-13637</a> </td>
<td align="left"> RBF: Router fails when threadIndex (in ConnectionPool) wraps around Integer.MIN_VALUE </td>
<td align="left"> Critical </td>
<td align="left"> federation </td>
<td align="left"> CR Hota </td>
<td align="left"> CR Hota </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13281">HDFS-13281</a> </td>
<td align="left"> Namenode#createFile should be /.reserved/raw/ aware. </td>
<td align="left"> Critical </td>
<td align="left"> encryption </td>
<td align="left"> Rushabh S Shah </td>
<td align="left"> Rushabh S Shah </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-4677">YARN-4677</a> </td>
<td align="left"> RMNodeResourceUpdateEvent update from scheduler can lead to race condition </td>
<td align="left"> Major </td>
<td align="left"> graceful, resourcemanager, scheduler </td>
<td align="left"> Brook Zhou </td>
<td align="left"> Wilfred Spiegelenburg </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15506">HADOOP-15506</a> </td>
<td align="left"> Upgrade Azure Storage Sdk version to 7.0.0 and update corresponding code blocks </td>
<td align="left"> Minor </td>
<td align="left"> fs/azure </td>
<td align="left"> Esfandiar Manii </td>
<td align="left"> Esfandiar Manii </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15529">HADOOP-15529</a> </td>
<td align="left"> ContainerLaunch#testInvalidEnvVariableSubstitutionType is not supported in Windows </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Giovanni Matteo Fumarola </td>
<td align="left"> Giovanni Matteo Fumarola </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15533">HADOOP-15533</a> </td>
<td align="left"> Make WASB listStatus messages consistent </td>
<td align="left"> Trivial </td>
<td align="left"> fs/azure </td>
<td align="left"> Esfandiar Manii </td>
<td align="left"> Esfandiar Manii </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-15458">HADOOP-15458</a> </td>
<td align="left"> TestLocalFileSystem#testFSOutputStreamBuilder fails on Windows </td>
<td align="left"> Minor </td>
<td align="left"> test </td>
<td align="left"> Xiao Liang </td>
<td align="left"> Xiao Liang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13726">HDFS-13726</a> </td>
<td align="left"> RBF: Fix RBF configuration links </td>
<td align="left"> Minor </td>
<td align="left"> documentation </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-13475">HDFS-13475</a> </td>
<td align="left"> RBF: Admin cannot enforce Router enter SafeMode </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Wei Yan </td>
<td align="left"> Chao Sun </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13733">HDFS-13733</a> </td>
<td align="left"> RBF: Add Web UI configurations and descriptions to RBF document </td>
<td align="left"> Minor </td>
<td align="left"> documentation </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-13743">HDFS-13743</a> </td>
<td align="left"> RBF: Router throws NullPointerException due to the invalid initialization of MountTableResolver </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="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13750">HDFS-13750</a> </td>
<td align="left"> RBF: Router ID in RouterRpcClient is always null </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/YARN-8129">YARN-8129</a> </td>
<td align="left"> Improve error message for invalid value in fields attribute </td>
<td align="left"> Minor </td>
<td align="left"> ATSv2 </td>
<td align="left"> Charan Hebri </td>
<td align="left"> Abhishek Modi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-13848">HDFS-13848</a> </td>
<td align="left"> Refactor NameNode failover proxy providers </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>
</tbody>
</table></div>
<div class="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-13788">HDFS-13788</a> </td>
<td align="left"> Update EC documentation about rack fault tolerance </td>
<td align="left"> Major </td>
<td align="left"> documentation, erasure-coding </td>
<td align="left"> Xiao Chen </td>
<td align="left"> Kitti Nanasi </td></tr>
</tbody>
</table></div></div>
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