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<h1>Apache Hadoop Changelog</h1><section>
<h2><a name="Release_2.1.1-beta_-_2013-09-16"></a>Release 2.1.1-beta - 2013-09-16</h2><section>
<h3><a name="INCOMPATIBLE_CHANGES:"></a>INCOMPATIBLE CHANGES:</h3>
<table border="0" class="bodyTable">
<thead>
<tr class="a">
<th align="left"> JIRA </th>
<th align="left"> Summary </th>
<th align="left"> Priority </th>
<th align="left"> Component </th>
<th align="left"> Reporter </th>
<th align="left"> Contributor </th></tr>
</thead><tbody>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-707">YARN-707</a> </td>
<td align="left"> Add user info in the YARN ClientToken </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Bikas Saha </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1170">YARN-1170</a> </td>
<td align="left"> yarn proto definitions should specify package as &#x2018;hadoop.yarn&#x2019; </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Binglin Chang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9944">HADOOP-9944</a> </td>
<td align="left"> RpcRequestHeaderProto defines callId as uint32 while ipc.Client.CONNECTION_CONTEXT_CALL_ID is signed (-3) </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </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-9789">HADOOP-9789</a> </td>
<td align="left"> Support server advertised kerberos principals </td>
<td align="left"> Critical </td>
<td align="left"> ipc, security </td>
<td align="left"> Daryn Sharp </td>
<td align="left"> Daryn Sharp </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5076">HDFS-5076</a> </td>
<td align="left"> Add MXBean methods to query NN&#x2019;s transaction information and JournalNode&#x2019;s journal status </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Jing Zhao </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5118">HDFS-5118</a> </td>
<td align="left"> Provide testing support for DFSClient to drop RPC responses </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Jing Zhao </td>
<td align="left"> Jing Zhao </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-8814">HADOOP-8814</a> </td>
<td align="left"> Inefficient comparison with the empty string. Use isEmpty() instead </td>
<td align="left"> Minor </td>
<td align="left"> conf, fs, fs/s3, ha, io, metrics, performance, record, security, util </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-1981">MAPREDUCE-1981</a> </td>
<td align="left"> Improve getSplits performance by using listLocatedStatus </td>
<td align="left"> Major </td>
<td align="left"> job submission </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9803">HADOOP-9803</a> </td>
<td align="left"> Add generic type parameter to RetryInvocationHandler </td>
<td align="left"> Minor </td>
<td align="left"> ipc </td>
<td align="left"> Tsz Wo Nicholas Sze </td>
<td align="left"> Tsz Wo Nicholas Sze </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-758">YARN-758</a> </td>
<td align="left"> Augment MockNM to use multiple cores </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Bikas Saha </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5367">MAPREDUCE-5367</a> </td>
<td align="left"> Local jobs all use same local working directory </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Sandy Ryza </td>
<td align="left"> Sandy Ryza </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5061">HDFS-5061</a> </td>
<td align="left"> Make FSNameSystem#auditLoggers an unmodifiable list </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Arpit Agarwal </td>
<td align="left"> Arpit Agarwal </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4905">HDFS-4905</a> </td>
<td align="left"> Add appendToFile command to &#x201c;hdfs dfs&#x201d; </td>
<td align="left"> Minor </td>
<td align="left"> tools </td>
<td align="left"> Arpit Agarwal </td>
<td align="left"> Arpit Agarwal </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9821">HADOOP-9821</a> </td>
<td align="left"> ClientId should have getMsb/getLsb methods </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Tsuyoshi Ozawa </td>
<td align="left"> Tsuyoshi Ozawa </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4926">HDFS-4926</a> </td>
<td align="left"> namenode webserver&#x2019;s page has a tooltip that is inconsistent with the datanode HTML link </td>
<td align="left"> Trivial </td>
<td align="left"> namenode </td>
<td align="left"> Joseph Lorenzini </td>
<td align="left"> Vivek Ganesan </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9833">HADOOP-9833</a> </td>
<td align="left"> move slf4j to version 1.7.5 </td>
<td align="left"> Minor </td>
<td align="left"> build </td>
<td align="left"> Steve Loughran </td>
<td align="left"> Kousuke Saruta </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9831">HADOOP-9831</a> </td>
<td align="left"> Make checknative shell command accessible on Windows. </td>
<td align="left"> Minor </td>
<td align="left"> bin </td>
<td align="left"> Chris Nauroth </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-589">YARN-589</a> </td>
<td align="left"> Expose a REST API for monitoring the fair scheduler </td>
<td align="left"> Major </td>
<td align="left"> scheduler </td>
<td align="left"> Sandy Ryza </td>
<td align="left"> Sandy Ryza </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9672">HADOOP-9672</a> </td>
<td align="left"> Upgrade Avro dependency to 1.7.4 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Sandy Ryza </td>
<td align="left"> Sandy Ryza </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9802">HADOOP-9802</a> </td>
<td align="left"> Support Snappy codec on Windows. </td>
<td align="left"> Major </td>
<td align="left"> io </td>
<td align="left"> Chris Nauroth </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9446">HADOOP-9446</a> </td>
<td align="left"> Support Kerberos HTTP SPNEGO authentication for non-SUN JDK </td>
<td align="left"> Major </td>
<td align="left"> security </td>
<td align="left"> Yu Gao </td>
<td align="left"> Yu Gao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9879">HADOOP-9879</a> </td>
<td align="left"> Move the version info of zookeeper dependencies to hadoop-project/pom </td>
<td align="left"> Minor </td>
<td align="left"> build </td>
<td align="left"> Karthik Kambatla </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9686">HADOOP-9686</a> </td>
<td align="left"> Easy access to final parameters in Configuration </td>
<td align="left"> Major </td>
<td align="left"> conf </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9886">HADOOP-9886</a> </td>
<td align="left"> Turn warning message in RetryInvocationHandler to debug </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Arpit Gupta </td>
<td align="left"> Arpit Gupta </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5045">HDFS-5045</a> </td>
<td align="left"> Add more unit tests for retry cache to cover all AtMostOnce methods </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Jing Zhao </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5478">MAPREDUCE-5478</a> </td>
<td align="left"> TeraInputFormat unnecessarily defines its own FileSplit subclass </td>
<td align="left"> Minor </td>
<td align="left"> examples </td>
<td align="left"> Sandy Ryza </td>
<td align="left"> Sandy Ryza </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1074">YARN-1074</a> </td>
<td align="left"> Clean up YARN CLI app list to show only running apps. </td>
<td align="left"> Major </td>
<td align="left"> client </td>
<td align="left"> Tassapol Athiapinya </td>
<td align="left"> Xuan Gong </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-3245">HDFS-3245</a> </td>
<td align="left"> Add metrics and web UI for cluster version summary </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Todd Lipcon </td>
<td align="left"> Ravi Prakash </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5128">HDFS-5128</a> </td>
<td align="left"> Allow multiple net interfaces to be used with HA namenode RPC server </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Kihwal Lee </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1081">YARN-1081</a> </td>
<td align="left"> Minor improvement to output header for $ yarn node -list </td>
<td align="left"> Minor </td>
<td align="left"> client </td>
<td align="left"> Tassapol Athiapinya </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-1080">YARN-1080</a> </td>
<td align="left"> Improve help message for $ yarn logs </td>
<td align="left"> Major </td>
<td align="left"> client </td>
<td align="left"> Tassapol Athiapinya </td>
<td align="left"> Xuan Gong </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1117">YARN-1117</a> </td>
<td align="left"> Improve help message for $ yarn applications and $yarn node </td>
<td align="left"> Major </td>
<td align="left"> client </td>
<td align="left"> Tassapol Athiapinya </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-9918">HADOOP-9918</a> </td>
<td align="left"> Add addIfService() to CompositeService </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Karthik Kambatla </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-696">YARN-696</a> </td>
<td align="left"> Enable multiple states to to be specified in Resource Manager apps REST call </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Trevor Lorimer </td>
<td align="left"> Trevor Lorimer </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-910">YARN-910</a> </td>
<td align="left"> Allow auxiliary services to listen for container starts and completions </td>
<td align="left"> Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Sandy Ryza </td>
<td align="left"> Alejandro Abdelnur </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9945">HADOOP-9945</a> </td>
<td align="left"> HAServiceState should have a state for stopped services </td>
<td align="left"> Minor </td>
<td align="left"> ha </td>
<td align="left"> Karthik Kambatla </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1137">YARN-1137</a> </td>
<td align="left"> Add support whitelist for system users to Yarn container-executor.c </td>
<td align="left"> Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> Roman Shaposhnik </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9962">HADOOP-9962</a> </td>
<td align="left"> in order to avoid dependency divergence within Hadoop itself lets enable DependencyConvergence </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Roman Shaposhnik </td>
<td align="left"> Roman Shaposhnik </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5379">MAPREDUCE-5379</a> </td>
<td align="left"> Include token tracking ids in jobconf </td>
<td align="left"> Major </td>
<td align="left"> job submission, security </td>
<td align="left"> Sandy Ryza </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9669">HADOOP-9669</a> </td>
<td align="left"> Reduce the number of byte array creations and copies in XDR data manipulation </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Tsz Wo Nicholas Sze </td>
<td align="left"> Haohui Mai </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4513">HDFS-4513</a> </td>
<td align="left"> Clarify WebHDFS REST API that all JSON respsonses may contain additional properties </td>
<td align="left"> Minor </td>
<td align="left"> documentation, webhdfs </td>
<td align="left"> Tsz Wo Nicholas Sze </td>
<td align="left"> Tsz Wo Nicholas Sze </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/MAPREDUCE-3193">MAPREDUCE-3193</a> </td>
<td align="left"> FileInputFormat doesn&#x2019;t read files recursively in the input path dir </td>
<td align="left"> Major </td>
<td align="left"> mrv1, mrv2 </td>
<td align="left"> Ramgopal N </td>
<td align="left"> Devaraj K </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5358">MAPREDUCE-5358</a> </td>
<td align="left"> MRAppMaster throws invalid transitions for JobImpl </td>
<td align="left"> Major </td>
<td align="left"> mr-am </td>
<td align="left"> Devaraj K </td>
<td align="left"> Devaraj K </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9435">HADOOP-9435</a> </td>
<td align="left"> Support building the JNI code against the IBM JVM </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Tian Hong Wang </td>
<td align="left"> Tian Hong Wang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5317">MAPREDUCE-5317</a> </td>
<td align="left"> Stale files left behind for failed jobs </td>
<td align="left"> Major </td>
<td align="left"> mrv2 </td>
<td align="left"> Ravi Prakash </td>
<td align="left"> Ravi Prakash </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5251">MAPREDUCE-5251</a> </td>
<td align="left"> Reducer should not implicate map attempt if it has insufficient space to fetch map output </td>
<td align="left"> Major </td>
<td align="left"> mrv2 </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Ashwin Shankar </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9768">HADOOP-9768</a> </td>
<td align="left"> chown and chgrp reject users and groups with spaces on platforms where spaces are otherwise acceptable </td>
<td align="left"> Major </td>
<td align="left"> fs </td>
<td align="left"> Chris Nauroth </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5385">MAPREDUCE-5385</a> </td>
<td align="left"> JobContext cache files api are broken </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Omkar Vinit Joshi </td>
<td align="left"> Omkar Vinit Joshi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-948">YARN-948</a> </td>
<td align="left"> RM should validate the release container list before actually releasing them </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Omkar Vinit Joshi </td>
<td align="left"> Omkar Vinit Joshi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-966">YARN-966</a> </td>
<td align="left"> The thread of ContainerLaunch#call will fail without any signal if getLocalizedResources() is called when the container is not at LOCALIZED </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Zhijie Shen </td>
<td align="left"> Zhijie Shen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5043">HDFS-5043</a> </td>
<td align="left"> For HdfsFileStatus, set default value of childrenNum to -1 instead of 0 to avoid confusing applications </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9806">HADOOP-9806</a> </td>
<td align="left"> PortmapInterface should check if the procedure is out-of-range </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5428">MAPREDUCE-5428</a> </td>
<td align="left"> HistoryFileManager doesn&#x2019;t stop threads when service is stopped </td>
<td align="left"> Major </td>
<td align="left"> jobhistoryserver, mrv2 </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9801">HADOOP-9801</a> </td>
<td align="left"> Configuration#writeXml uses platform defaulting encoding, which may mishandle multi-byte characters. </td>
<td align="left"> Major </td>
<td align="left"> conf </td>
<td align="left"> Chris Nauroth </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-903">YARN-903</a> </td>
<td align="left"> DistributedShell throwing Errors in logs after successfull completion </td>
<td align="left"> Major </td>
<td align="left"> applications/distributed-shell </td>
<td align="left"> Abhishek Kapoor </td>
<td align="left"> Omkar Vinit Joshi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5028">HDFS-5028</a> </td>
<td align="left"> LeaseRenewer throw java.util.ConcurrentModificationException when timeout </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> yunjiong zhao </td>
<td align="left"> yunjiong zhao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5440">MAPREDUCE-5440</a> </td>
<td align="left"> TestCopyCommitter Fails on JDK7 </td>
<td align="left"> Major </td>
<td align="left"> mrv2 </td>
<td align="left"> Robert Parker </td>
<td align="left"> Robert Parker </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5446">MAPREDUCE-5446</a> </td>
<td align="left"> TestJobHistoryEvents and TestJobHistoryParsing have race conditions </td>
<td align="left"> Major </td>
<td align="left"> mrv2, test </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5425">MAPREDUCE-5425</a> </td>
<td align="left"> Junit in TestJobHistoryServer failing in jdk 7 </td>
<td align="left"> Major </td>
<td align="left"> jobhistoryserver </td>
<td align="left"> Ashwin Shankar </td>
<td align="left"> Robert Parker </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5047">HDFS-5047</a> </td>
<td align="left"> Supress logging of full stack trace of quota and lease exceptions </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Robert Parker </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9315">HADOOP-9315</a> </td>
<td align="left"> Port HADOOP-9249 hadoop-maven-plugins Clover fix to branch-2 to fix build failures </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Dennis Y </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4993">HDFS-4993</a> </td>
<td align="left"> fsck can fail if a file is renamed or deleted </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Robert Parker </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9757">HADOOP-9757</a> </td>
<td align="left"> Har metadata cache can grow without limit </td>
<td align="left"> Major </td>
<td align="left"> fs </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Cristina L. Abad </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9858">HADOOP-9858</a> </td>
<td align="left"> Remove unused private RawLocalFileSystem#execCommand method from branch-2. </td>
<td align="left"> Trivial </td>
<td align="left"> fs </td>
<td align="left"> Chris Nauroth </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9857">HADOOP-9857</a> </td>
<td align="left"> Tests block and sometimes timeout on Windows due to invalid entropy source. </td>
<td align="left"> Major </td>
<td align="left"> build, test </td>
<td align="left"> Chris Nauroth </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5454">MAPREDUCE-5454</a> </td>
<td align="left"> TestDFSIO fails intermittently on JDK7 </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Karthik Kambatla </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5091">HDFS-5091</a> </td>
<td align="left"> Support for spnego keytab separate from the JournalNode keytab for secure HA </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Jing Zhao </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-337">YARN-337</a> </td>
<td align="left"> RM handles killed application tracking URL poorly </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9381">HADOOP-9381</a> </td>
<td align="left"> Document dfs cp -f option </td>
<td align="left"> Trivial </td>
<td align="left"> . </td>
<td align="left"> Keegan Witt </td>
<td align="left"> Keegan Witt </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5055">HDFS-5055</a> </td>
<td align="left"> nn fails to download checkpointed image from snn in some setups </td>
<td align="left"> Blocker </td>
<td align="left"> namenode </td>
<td align="left"> Allen Wittenauer </td>
<td align="left"> Vinayakumar B </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4898">HDFS-4898</a> </td>
<td align="left"> BlockPlacementPolicyWithNodeGroup.chooseRemoteRack() fails to properly fallback to local rack </td>
<td align="left"> Minor </td>
<td align="left"> namenode </td>
<td align="left"> Eric Sirianni </td>
<td align="left"> Tsz Wo Nicholas Sze </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4632">HDFS-4632</a> </td>
<td align="left"> globStatus using backslash for escaping does not work on Windows </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Chris Nauroth </td>
<td align="left"> Chuan Liu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5080">HDFS-5080</a> </td>
<td align="left"> BootstrapStandby not working with QJM when the existing NN is active </td>
<td align="left"> Major </td>
<td align="left"> ha, qjm </td>
<td align="left"> Jing Zhao </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9868">HADOOP-9868</a> </td>
<td align="left"> Server must not advertise kerberos realm </td>
<td align="left"> Blocker </td>
<td align="left"> ipc </td>
<td align="left"> Daryn Sharp </td>
<td align="left"> Daryn Sharp </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5099">HDFS-5099</a> </td>
<td align="left"> Namenode#copyEditLogSegmentsToSharedDir should close EditLogInputStreams upon finishing </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Chuan Liu </td>
<td align="left"> Chuan Liu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5100">HDFS-5100</a> </td>
<td align="left"> TestNamenodeRetryCache fails on Windows due to incorrect cleanup </td>
<td align="left"> Minor </td>
<td align="left"> test </td>
<td align="left"> Chuan Liu </td>
<td align="left"> Chuan Liu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5103">HDFS-5103</a> </td>
<td align="left"> TestDirectoryScanner fails on Windows </td>
<td align="left"> Minor </td>
<td align="left"> test </td>
<td align="left"> Chuan Liu </td>
<td align="left"> Chuan Liu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5102">HDFS-5102</a> </td>
<td align="left"> Snapshot names should not be allowed to contain slash characters </td>
<td align="left"> Major </td>
<td align="left"> snapshots </td>
<td align="left"> Aaron T. Myers </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9880">HADOOP-9880</a> </td>
<td align="left"> SASL changes from HADOOP-9421 breaks Secure HA NN </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Daryn Sharp </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5106">HDFS-5106</a> </td>
<td align="left"> TestDatanodeBlockScanner fails on Windows due to incorrect path format </td>
<td align="left"> Minor </td>
<td align="left"> test </td>
<td align="left"> Chuan Liu </td>
<td align="left"> Chuan Liu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-107">YARN-107</a> </td>
<td align="left"> ClientRMService.forceKillApplication() should handle the non-RUNNING applications properly </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Devaraj K </td>
<td align="left"> Xuan Gong </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5105">HDFS-5105</a> </td>
<td align="left"> TestFsck fails on Windows </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Chuan Liu </td>
<td align="left"> Chuan Liu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-643">YARN-643</a> </td>
<td align="left"> WHY appToken is removed both in BaseFinalTransition and AMUnregisteredTransition AND clientToken is removed in FinalTransition and not BaseFinalTransition </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Jian He </td>
<td align="left"> Xuan Gong </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1006">YARN-1006</a> </td>
<td align="left"> Nodes list web page on the RM web UI is broken </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Jian He </td>
<td align="left"> Xuan Gong </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5001">MAPREDUCE-5001</a> </td>
<td align="left"> LocalJobRunner has race condition resulting in job failures </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Brock Noland </td>
<td align="left"> Sandy Ryza </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5111">HDFS-5111</a> </td>
<td align="left"> Remove duplicated error message for snapshot commands when processing invalid arguments </td>
<td align="left"> Minor </td>
<td align="left"> snapshots </td>
<td align="left"> Jing Zhao </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4594">HDFS-4594</a> </td>
<td align="left"> WebHDFS open sets Content-Length header to what is specified by length parameter rather than how much data is actually returned. </td>
<td align="left"> Minor </td>
<td align="left"> webhdfs </td>
<td align="left"> Arpit Gupta </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-881">YARN-881</a> </td>
<td align="left"> Priority#compareTo method seems to be wrong. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Jian He </td>
<td align="left"> Jian He </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1082">YARN-1082</a> </td>
<td align="left"> Secure RM with recovery enabled and rm state store on hdfs fails with gss exception </td>
<td align="left"> Blocker </td>
<td align="left"> resourcemanager </td>
<td align="left"> Arpit Gupta </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/MAPREDUCE-5468">MAPREDUCE-5468</a> </td>
<td align="left"> AM recovery does not work for map only jobs </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Yesha Vora </td>
<td align="left"> Vinod Kumar Vavilapalli </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5124">HDFS-5124</a> </td>
<td align="left"> DelegationTokenSecretManager#retrievePassword can cause deadlock in NameNode </td>
<td align="left"> Blocker </td>
<td align="left"> namenode </td>
<td align="left"> Deepesh Khandelwal </td>
<td align="left"> Daryn Sharp </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9899">HADOOP-9899</a> </td>
<td align="left"> Remove the debug message added by HADOOP-8855 </td>
<td align="left"> Minor </td>
<td align="left"> security </td>
<td align="left"> Tsz Wo Nicholas Sze </td>
<td align="left"> Tsz Wo Nicholas Sze </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5470">MAPREDUCE-5470</a> </td>
<td align="left"> LocalJobRunner does not work on Windows. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Chris Nauroth </td>
<td align="left"> Sandy Ryza </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1094">YARN-1094</a> </td>
<td align="left"> RM restart throws Null pointer Exception in Secure Env </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Yesha Vora </td>
<td align="left"> Vinod Kumar Vavilapalli </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1008">YARN-1008</a> </td>
<td align="left"> MiniYARNCluster with multiple nodemanagers, all nodes have same key for allocations </td>
<td align="left"> Major </td>
<td align="left"> nodemanager </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> Alejandro Abdelnur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1093">YARN-1093</a> </td>
<td align="left"> Corrections to Fair Scheduler documentation </td>
<td align="left"> Major </td>
<td align="left"> documentation </td>
<td align="left"> Wing Yew Poon </td>
<td align="left"> </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-942">YARN-942</a> </td>
<td align="left"> In Fair Scheduler documentation, inconsistency on which properties have prefix </td>
<td align="left"> Major </td>
<td align="left"> scheduler </td>
<td align="left"> Sandy Ryza </td>
<td align="left"> Akira Ajisaka </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5132">HDFS-5132</a> </td>
<td align="left"> Deadlock in NameNode between SafeModeMonitor#run and DatanodeManager#handleHeartbeat </td>
<td align="left"> Blocker </td>
<td align="left"> namenode </td>
<td align="left"> Arpit Gupta </td>
<td align="left"> Kihwal Lee </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1083">YARN-1083</a> </td>
<td align="left"> ResourceManager should fail when yarn.nm.liveness-monitor.expiry-interval-ms is set less than heartbeat interval </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Yesha Vora </td>
<td align="left"> Zhijie Shen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-602">YARN-602</a> </td>
<td align="left"> NodeManager should mandatorily set some Environment variables into every containers that it launches </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Xuan Gong </td>
<td align="left"> Kenji Kikushima </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-994">YARN-994</a> </td>
<td align="left"> HeartBeat thread in AMRMClientAsync does not handle runtime exception correctly </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Xuan Gong </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-9910">HADOOP-9910</a> </td>
<td align="left"> proxy server start and stop documentation wrong </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Andr&#xe9; Kelpe </td>
<td align="left"> </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9906">HADOOP-9906</a> </td>
<td align="left"> Move HAZKUtil to o.a.h.util.ZKUtil and make inner-classes public </td>
<td align="left"> Minor </td>
<td align="left"> ha </td>
<td align="left"> Karthik Kambatla </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1101">YARN-1101</a> </td>
<td align="left"> Active nodes can be decremented below 0 </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Robert Parker </td>
<td align="left"> Robert Parker </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5483">MAPREDUCE-5483</a> </td>
<td align="left"> revert MAPREDUCE-5357 </td>
<td align="left"> Major </td>
<td align="left"> distcp </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> Robert Kanter </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9774">HADOOP-9774</a> </td>
<td align="left"> RawLocalFileSystem.listStatus() return absolute paths when input path is relative on Windows </td>
<td align="left"> Major </td>
<td align="left"> fs </td>
<td align="left"> shanyu zhao </td>
<td align="left"> shanyu zhao </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5140">HDFS-5140</a> </td>
<td align="left"> Too many safemode monitor threads being created in the standby namenode causing it to fail with out of memory error </td>
<td align="left"> Blocker </td>
<td align="left"> ha </td>
<td align="left"> Arpit Gupta </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-981">YARN-981</a> </td>
<td align="left"> YARN/MR2/Job-history /logs link does not have correct content </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Xuan Gong </td>
<td align="left"> Jian He </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1120">YARN-1120</a> </td>
<td align="left"> Make ApplicationConstants.Environment.USER definition OS neutral </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Chuan Liu </td>
<td align="left"> Chuan Liu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1077">YARN-1077</a> </td>
<td align="left"> TestContainerLaunch fails on Windows </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Chuan Liu </td>
<td align="left"> Chuan Liu </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5150">HDFS-5150</a> </td>
<td align="left"> Allow per NN SPN for internal SPNEGO. </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Kihwal Lee </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1124">YARN-1124</a> </td>
<td align="left"> By default yarn application -list should display all the applications in a state other than FINISHED / FAILED </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Omkar Vinit Joshi </td>
<td align="left"> Xuan Gong </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9924">HADOOP-9924</a> </td>
<td align="left"> FileUtil.createJarWithClassPath() does not generate relative classpath correctly </td>
<td align="left"> Major </td>
<td align="left"> fs </td>
<td align="left"> shanyu zhao </td>
<td align="left"> shanyu zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9916">HADOOP-9916</a> </td>
<td align="left"> Race condition in ipc.Client causes TestIPC timeout </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Binglin Chang </td>
<td align="left"> Binglin Chang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9932">HADOOP-9932</a> </td>
<td align="left"> Improper synchronization in RetryCache </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Kihwal Lee </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5475">MAPREDUCE-5475</a> </td>
<td align="left"> MRClientService does not verify ACLs properly </td>
<td align="left"> Blocker </td>
<td align="left"> mr-am, mrv2 </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-5159">HDFS-5159</a> </td>
<td align="left"> Secondary NameNode fails to checkpoint if error occurs downloading edits on first checkpoint </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Aaron T. Myers </td>
<td align="left"> Aaron T. Myers </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-957">YARN-957</a> </td>
<td align="left"> Capacity Scheduler tries to reserve the memory more than what node manager reports. </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Omkar Vinit Joshi </td>
<td align="left"> Omkar Vinit Joshi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1107">YARN-1107</a> </td>
<td align="left"> Job submitted with Delegation token in secured environment causes RM to fail during RM restart </td>
<td align="left"> Blocker </td>
<td align="left"> resourcemanager </td>
<td align="left"> Arpit Gupta </td>
<td align="left"> Omkar Vinit Joshi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5414">MAPREDUCE-5414</a> </td>
<td align="left"> TestTaskAttempt fails jdk7 with NullPointerException </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Nemon Lou </td>
<td align="left"> Nemon Lou </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1144">YARN-1144</a> </td>
<td align="left"> Unmanaged AMs registering a tracking URI should not be proxy-fied </td>
<td align="left"> Critical </td>
<td align="left"> resourcemanager </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> Alejandro Abdelnur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1152">YARN-1152</a> </td>
<td align="left"> Invalid key to HMAC computation error when getting application report for completed app attempt </td>
<td align="left"> Blocker </td>
<td align="left"> resourcemanager </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5020">MAPREDUCE-5020</a> </td>
<td align="left"> Compile failure with JDK8 </td>
<td align="left"> Major </td>
<td align="left"> client </td>
<td align="left"> Trevor Robinson </td>
<td align="left"> Trevor Robinson </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1025">YARN-1025</a> </td>
<td align="left"> ResourceManager and NodeManager do not load native libraries on Windows. </td>
<td align="left"> Major </td>
<td align="left"> nodemanager, resourcemanager </td>
<td align="left"> Chris Nauroth </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5497">MAPREDUCE-5497</a> </td>
<td align="left"> &#x2018;5s sleep&#x2019; in MRAppMaster.shutDownJob is only needed before stopping ClientService </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Jian He </td>
<td align="left"> Jian He </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4680">HDFS-4680</a> </td>
<td align="left"> Audit logging of delegation tokens for MR tracing </td>
<td align="left"> Major </td>
<td align="left"> namenode, security </td>
<td align="left"> Andrew Wang </td>
<td align="left"> Andrew Wang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1176">YARN-1176</a> </td>
<td align="left"> RM web services ClusterMetricsInfo total nodes doesn&#x2019;t include unhealthy nodes </td>
<td align="left"> Critical </td>
<td align="left"> resourcemanager </td>
<td align="left"> Thomas Graves </td>
<td align="left"> Jonathan Eagles </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5164">MAPREDUCE-5164</a> </td>
<td align="left"> command &#x201c;mapred job&#x201d; and &#x201c;mapred queue&#x201d; omit HADOOP_CLIENT_OPTS </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Nemon Lou </td>
<td align="left"> Nemon Lou </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1078">YARN-1078</a> </td>
<td align="left"> TestNodeManagerResync, TestNodeManagerShutdown, and TestNodeStatusUpdater fail on Windows </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Chuan Liu </td>
<td align="left"> Chuan Liu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9958">HADOOP-9958</a> </td>
<td align="left"> Add old constructor back to DelegationTokenInformation to unbreak downstream builds </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Andrew Wang </td>
<td align="left"> Andrew Wang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5192">HDFS-5192</a> </td>
<td align="left"> NameNode may fail to start when dfs.client.test.drop.namenode.response.number is set </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Jing Zhao </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1194">YARN-1194</a> </td>
<td align="left"> TestContainerLogsPage fails with native builds </td>
<td align="left"> Minor </td>
<td align="left"> nodemanager </td>
<td align="left"> Roman Shaposhnik </td>
<td align="left"> Roman Shaposhnik </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9960">HADOOP-9960</a> </td>
<td align="left"> Upgrade Jersey version to 1.9 </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Brock Noland </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1189">YARN-1189</a> </td>
<td align="left"> NMTokenSecretManagerInNM is not being told when applications have finished </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Omkar Vinit Joshi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9557">HADOOP-9557</a> </td>
<td align="left"> hadoop-client excludes commons-httpclient </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Lohit Vijayarenu </td>
<td align="left"> Lohit Vijayarenu </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9961">HADOOP-9961</a> </td>
<td align="left"> versions of a few transitive dependencies diverged between hadoop subprojects </td>
<td align="left"> Minor </td>
<td align="left"> build </td>
<td align="left"> Roman Shaposhnik </td>
<td align="left"> Roman Shaposhnik </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5493">MAPREDUCE-5493</a> </td>
<td align="left"> In-memory map outputs can be leaked after shuffle completes </td>
<td align="left"> Blocker </td>
<td align="left"> mrv2 </td>
<td align="left"> Jason Lowe </td>
<td align="left"> Jason Lowe </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5219">HDFS-5219</a> </td>
<td align="left"> Add configuration keys for retry policy in WebHDFSFileSystem </td>
<td align="left"> Major </td>
<td align="left"> webhdfs </td>
<td align="left"> Haohui Mai </td>
<td align="left"> Haohui Mai </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5231">HDFS-5231</a> </td>
<td align="left"> Fix broken links in the document of HDFS Federation </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Haohui Mai </td>
<td align="left"> Haohui Mai </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-9977">HADOOP-9977</a> </td>
<td align="left"> Hadoop services won&#x2019;t start with different keypass and keystorepass when https is enabled </td>
<td align="left"> Major </td>
<td align="left"> security </td>
<td align="left"> Yesha Vora </td>
<td align="left"> Chris Nauroth </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-2994">HDFS-2994</a> </td>
<td align="left"> If lease soft limit is recovered successfully the append can fail </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Todd Lipcon </td>
<td align="left"> Tao Luo </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5077">HDFS-5077</a> </td>
<td align="left"> NPE in FSNamesystem.commitBlockSynchronization() </td>
<td align="left"> Major </td>
<td align="left"> namenode </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Plamen Jeliazkov </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/HDFS-4962">HDFS-4962</a> </td>
<td align="left"> Use enum for nfs constants </td>
<td align="left"> Minor </td>
<td align="left"> nfs </td>
<td align="left"> Tsz Wo Nicholas Sze </td>
<td align="left"> Tsz Wo Nicholas Sze </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-502">YARN-502</a> </td>
<td align="left"> RM crash with NPE on NODE_REMOVED event with FairScheduler </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Lohit Vijayarenu </td>
<td align="left"> Mayank Bansal </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-573">YARN-573</a> </td>
<td align="left"> Shared data structures in Public Localizer and Private Localizer are not Thread safe. </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Omkar Vinit Joshi </td>
<td align="left"> Omkar Vinit Joshi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-906">YARN-906</a> </td>
<td align="left"> Cancelling ContainerLaunch#call at KILLING causes that the container cannot be completed </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Zhijie Shen </td>
<td align="left"> Zhijie Shen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5071">HDFS-5071</a> </td>
<td align="left"> Change hdfs-nfs parent project to hadoop-project </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Kihwal Lee </td>
<td align="left"> Brandon Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4763">HDFS-4763</a> </td>
<td align="left"> Add script changes/utility for starting NFS gateway </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5462">MAPREDUCE-5462</a> </td>
<td align="left"> In map-side sort, swap entire meta entries instead of indexes for better cache performance </td>
<td align="left"> Major </td>
<td align="left"> performance, task </td>
<td align="left"> Sandy Ryza </td>
<td align="left"> Sandy Ryza </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5104">HDFS-5104</a> </td>
<td align="left"> Support dotdot name in NFS LOOKUP operation </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5107">HDFS-5107</a> </td>
<td align="left"> Fix array copy error in Readdir and Readdirplus responses </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5110">HDFS-5110</a> </td>
<td align="left"> Change FSDataOutputStream to HdfsDataOutputStream for opened streams to fix type cast error </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5069">HDFS-5069</a> </td>
<td align="left"> Include hadoop-nfs and hadoop-hdfs-nfs into hadoop dist for NFS deployment </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5466">MAPREDUCE-5466</a> </td>
<td align="left"> Historyserver does not refresh the result of restarted jobs after RM restart </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Yesha Vora </td>
<td align="left"> Jian He </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5476">MAPREDUCE-5476</a> </td>
<td align="left"> Job can fail when RM restarts after staging dir is cleaned but before MR successfully unregister with RM </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Jian He </td>
<td align="left"> Jian He </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4947">HDFS-4947</a> </td>
<td align="left"> Add NFS server export table to control export by hostname or IP range </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1085">YARN-1085</a> </td>
<td align="left"> Yarn and MRv2 should do HTTP client authentication in kerberos setup. </td>
<td align="left"> Blocker </td>
<td align="left"> nodemanager, resourcemanager </td>
<td align="left"> Jaimin Jetly </td>
<td align="left"> Omkar Vinit Joshi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5078">HDFS-5078</a> </td>
<td align="left"> Support file append in NFSv3 gateway to enable data streaming to HDFS </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/MAPREDUCE-5441">MAPREDUCE-5441</a> </td>
<td align="left"> JobClient exit whenever RM issue Reboot command to 1st attempt App Master. </td>
<td align="left"> Major </td>
<td align="left"> applicationmaster, client </td>
<td align="left"> Rohith Sharma K S </td>
<td align="left"> Jian He </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-771">YARN-771</a> </td>
<td align="left"> AMRMClient support for resource blacklisting </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Bikas Saha </td>
<td align="left"> Junping Du </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5136">HDFS-5136</a> </td>
<td align="left"> MNT EXPORT should give the full group list which can mount the exports </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1049">YARN-1049</a> </td>
<td align="left"> ContainerExistStatus should define a status for preempted containers </td>
<td align="left"> Blocker </td>
<td align="left"> api </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> Alejandro Abdelnur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-292">YARN-292</a> </td>
<td align="left"> ResourceManager throws ArrayIndexOutOfBoundsException while handling CONTAINER_ALLOCATED for application attempt </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Devaraj K </td>
<td align="left"> Zhijie Shen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5085">HDFS-5085</a> </td>
<td align="left"> Refactor o.a.h.nfs to support different types of authentications </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5067">HDFS-5067</a> </td>
<td align="left"> Support symlink operations </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5199">HDFS-5199</a> </td>
<td align="left"> Add more debug trace for NFS READ and WRITE </td>
<td align="left"> Trivial </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1116">YARN-1116</a> </td>
<td align="left"> Populate AMRMTokens back to AMRMTokenSecretManager after RM restarts </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Jian He </td>
<td align="left"> Jian He </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-540">YARN-540</a> </td>
<td align="left"> Race condition causing RM to potentially relaunch already unregistered AMs on RM restart </td>
<td align="left"> Major </td>
<td align="left"> resourcemanager </td>
<td align="left"> Jian He </td>
<td align="left"> Jian He </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1184">YARN-1184</a> </td>
<td align="left"> ClassCastException is thrown during preemption When a huge job is submitted to a queue B whose resources is used by a job in queueA </td>
<td align="left"> Major </td>
<td align="left"> capacityscheduler, resourcemanager </td>
<td align="left"> J.Andreina </td>
<td align="left"> Chris Douglas </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5212">HDFS-5212</a> </td>
<td align="left"> Refactor RpcMessage and NFS3Response to support different types of authentication information </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Jing Zhao </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5234">HDFS-5234</a> </td>
<td align="left"> Move RpcFrameDecoder out of the public API </td>
<td align="left"> Minor </td>
<td align="left"> nfs </td>
<td align="left"> Haohui Mai </td>
<td align="left"> Haohui Mai </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-4971">HDFS-4971</a> </td>
<td align="left"> Move IO operations out of locking in OpenFileCtx </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Jing Zhao </td>
<td align="left"> Jing Zhao </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HDFS-5249">HDFS-5249</a> </td>
<td align="left"> Fix dumper thread which may die silently </td>
<td align="left"> Major </td>
<td align="left"> nfs </td>
<td align="left"> Brandon Li </td>
<td align="left"> Brandon Li </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/YARN-1034">YARN-1034</a> </td>
<td align="left"> Remove &#x201c;experimental&#x201d; in the Fair Scheduler documentation </td>
<td align="left"> Trivial </td>
<td align="left"> documentation, scheduler </td>
<td align="left"> Sandy Ryza </td>
<td align="left"> Karthik Kambatla </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/YARN-1001">YARN-1001</a> </td>
<td align="left"> YARN should provide per application-type and state statistics </td>
<td align="left"> Blocker </td>
<td align="left"> api </td>
<td align="left"> Srimanth Gunturi </td>
<td align="left"> Zhijie Shen </td></tr>
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