@@ -12,6 +12,22 @@ <h1>Hadoop 2.6.0 Release Notes</h1>
1212<a name="changes"/>
1313<h2>Changes since Hadoop 2.5.1</h2>
1414<ul>
15+ <li> <a href="https://issues.apache.org/jira/browse/YARN-2853">YARN-2853</a>.
16+ Major bug reported by Jian He and fixed by Jian He <br>
17+ <b>Killing app may hang while AM is unregistering</b><br>
18+ <blockquote></blockquote></li>
19+ <li> <a href="https://issues.apache.org/jira/browse/YARN-2846">YARN-2846</a>.
20+ Blocker bug reported by Junping Du and fixed by Junping Du (nodemanager)<br>
21+ <b>Incorrect persist exit code for running containers in reacquireContainer() that interrupted by NodeManager restart.</b><br>
22+ <blockquote></blockquote></li>
23+ <li> <a href="https://issues.apache.org/jira/browse/YARN-2843">YARN-2843</a>.
24+ Major sub-task reported by Sushmitha Sreenivasan and fixed by Wangda Tan (resourcemanager)<br>
25+ <b>NodeLabels manager should trim all inputs for hosts and labels</b><br>
26+ <blockquote></blockquote></li>
27+ <li> <a href="https://issues.apache.org/jira/browse/YARN-2841">YARN-2841</a>.
28+ Critical sub-task reported by Jian He and fixed by Jian He (resourcemanager)<br>
29+ <b>RMProxy should retry EOFException </b><br>
30+ <blockquote></blockquote></li>
1531<li> <a href="https://issues.apache.org/jira/browse/YARN-2834">YARN-2834</a>.
1632 Blocker bug reported by Yesha Vora and fixed by Jian He <br>
1733 <b>Resource manager crashed with Null Pointer Exception</b><br>
@@ -25,7 +41,7 @@ <h2>Changes since Hadoop 2.5.1</h2>
2541 <b>Fix bugs of yarn queue CLI</b><br>
2642 <blockquote></blockquote></li>
2743<li> <a href="https://issues.apache.org/jira/browse/YARN-2826">YARN-2826</a>.
28- Critical bug reported by sidharta seethana and fixed by Wangda Tan <br>
44+ Critical bug reported by Sidharta Seethana and fixed by Wangda Tan <br>
2945 <b>User-Group mappings not updated by RM when a user is removed from a group.</b><br>
3046 <blockquote></blockquote></li>
3147<li> <a href="https://issues.apache.org/jira/browse/YARN-2825">YARN-2825</a>.
@@ -80,6 +96,10 @@ <h2>Changes since Hadoop 2.5.1</h2>
8096 Major sub-task reported by Phil D'Amore and fixed by Wangda Tan (resourcemanager)<br>
8197 <b>Resource Manager fails startup with HDFS label storage and secure cluster</b><br>
8298 <blockquote></blockquote></li>
99+ <li> <a href="https://issues.apache.org/jira/browse/YARN-2794">YARN-2794</a>.
100+ Major bug reported by Jian He and fixed by Jian He <br>
101+ <b>Fix log msgs about distributing system-credentials </b><br>
102+ <blockquote></blockquote></li>
83103<li> <a href="https://issues.apache.org/jira/browse/YARN-2790">YARN-2790</a>.
84104 Critical bug reported by Tassapol Athiapinya and fixed by Jian He (nodemanager)<br>
85105 <b>NM can't aggregate logs past HDFS delegation token expiry.</b><br>
@@ -304,6 +324,10 @@ <h2>Changes since Hadoop 2.5.1</h2>
304324 Major sub-task reported by Craig Welch and fixed by Craig Welch <br>
305325 <b>Recalculate headroom more frequently to keep it accurate</b><br>
306326 <blockquote></blockquote></li>
327+ <li> <a href="https://issues.apache.org/jira/browse/YARN-2635">YARN-2635</a>.
328+ Major bug reported by Wei Yan and fixed by Wei Yan <br>
329+ <b>TestRM, TestRMRestart, TestClientToAMTokens should run with both CS and FS</b><br>
330+ <blockquote></blockquote></li>
307331<li> <a href="https://issues.apache.org/jira/browse/YARN-2632">YARN-2632</a>.
308332 Blocker sub-task reported by Junping Du and fixed by Junping Du (nodemanager)<br>
309333 <b>Document NM Restart feature</b><br>
@@ -1000,6 +1024,10 @@ <h2>Changes since Hadoop 2.5.1</h2>
10001024 Major sub-task reported by Remus Rusanu and fixed by Remus Rusanu (nodemanager)<br>
10011025 <b>Implement secure Windows Container Executor</b><br>
10021026 <blockquote></blockquote></li>
1027+ <li> <a href="https://issues.apache.org/jira/browse/YARN-1964">YARN-1964</a>.
1028+ Major new feature reported by Arun C Murthy and fixed by Abin Shahab <br>
1029+ <b>Create Docker analog of the LinuxContainerExecutor in YARN</b><br>
1030+ <blockquote></blockquote></li>
10031031<li> <a href="https://issues.apache.org/jira/browse/YARN-1959">YARN-1959</a>.
10041032 Major bug reported by Sandy Ryza and fixed by Anubhav Dhoot <br>
10051033 <b>Fix headroom calculation in FairScheduler</b><br>
@@ -1128,6 +1156,10 @@ <h2>Changes since Hadoop 2.5.1</h2>
11281156 Major sub-task reported by Ravi Gummadi and fixed by Varun Vasudev (nodemanager)<br>
11291157 <b>NodeManager should identify failed disks becoming good again</b><br>
11301158 <blockquote></blockquote></li>
1159+ <li> <a href="https://issues.apache.org/jira/browse/MAPREDUCE-6156">MAPREDUCE-6156</a>.
1160+ Blocker bug reported by Sidharta Seethana and fixed by Junping Du <br>
1161+ <b>Fetcher - connect() doesn't handle connection refused correctly </b><br>
1162+ <blockquote></blockquote></li>
11311163<li> <a href="https://issues.apache.org/jira/browse/MAPREDUCE-6142">MAPREDUCE-6142</a>.
11321164 Critical sub-task reported by Zhijie Shen and fixed by Zhijie Shen <br>
11331165 <b>Test failure in TestJobHistoryEventHandler and TestMRTimelineEventHandling</b><br>
@@ -1404,6 +1436,18 @@ <h2>Changes since Hadoop 2.5.1</h2>
14041436 Minor improvement reported by Koji Noguchi and fixed by Akira AJISAKA (documentation , harchive)<br>
14051437 <b>harchive: Document how to unarchive</b><br>
14061438 <blockquote></blockquote></li>
1439+ <li> <a href="https://issues.apache.org/jira/browse/HDFS-7391">HDFS-7391</a>.
1440+ Blocker bug reported by Robert Kanter and fixed by Robert Kanter (webhdfs)<br>
1441+ <b>Renable SSLv2Hello in HttpFS</b><br>
1442+ <blockquote></blockquote></li>
1443+ <li> <a href="https://issues.apache.org/jira/browse/HDFS-7387">HDFS-7387</a>.
1444+ Critical bug reported by Brandon Li and fixed by Brandon Li (nfs)<br>
1445+ <b>NFS may only do partial commit due to a race between COMMIT and write</b><br>
1446+ <blockquote></blockquote></li>
1447+ <li> <a href="https://issues.apache.org/jira/browse/HDFS-7385">HDFS-7385</a>.
1448+ Blocker bug reported by jiangyu and fixed by jiangyu (namenode)<br>
1449+ <b>ThreadLocal used in FSEditLog class causes FSImage permission mess up</b><br>
1450+ <blockquote></blockquote></li>
14071451<li> <a href="https://issues.apache.org/jira/browse/HDFS-7383">HDFS-7383</a>.
14081452 Major bug reported by Tsz Wo Nicholas Sze and fixed by Tsz Wo Nicholas Sze (datanode)<br>
14091453 <b>DataNode.requestShortCircuitFdsForRead may throw NullPointerException</b><br>
@@ -1952,10 +1996,6 @@ <h2>Changes since Hadoop 2.5.1</h2>
19521996 Trivial bug reported by Ray Chiang and fixed by Ray Chiang <br>
19531997 <b>Fix typos in log messages</b><br>
19541998 <blockquote></blockquote></li>
1955- <li> <a href="https://issues.apache.org/jira/browse/HDFS-6938">HDFS-6938</a>.
1956- Trivial bug reported by Charles Lamb and fixed by Charles Lamb (namenode)<br>
1957- <b>Cleanup javac warnings in FSNamesystem</b><br>
1958- <blockquote></blockquote></li>
19591999<li> <a href="https://issues.apache.org/jira/browse/HDFS-6934">HDFS-6934</a>.
19602000 Major sub-task reported by Arpit Agarwal and fixed by Chris Nauroth (datanode , hdfs-client)<br>
19612001 <b>Move checksum computation off the hot path when writing to RAM disk</b><br>
@@ -3489,6 +3529,10 @@ <h2>Changes since Hadoop 2.5.1</h2>
34893529 Major bug reported by Allan Yan and fixed by Allan Yan (fs)<br>
34903530 <b>FsShell's Text command does not read avro data files stored on HDFS</b><br>
34913531 <blockquote></blockquote></li>
3532+ <li> <a href="https://issues.apache.org/jira/browse/HADOOP-9576">HADOOP-9576</a>.
3533+ Major bug reported by Jian He and fixed by Steve Loughran <br>
3534+ <b>Make NetUtils.wrapException throw EOFException instead of wrapping it as IOException</b><br>
3535+ <blockquote></blockquote></li>
34923536<li> <a href="https://issues.apache.org/jira/browse/HADOOP-9540">HADOOP-9540</a>.
34933537 Minor improvement reported by Hari and fixed by (fs/s3 , test)<br>
34943538 <b>Expose the InMemoryS3 and S3N FilesystemStores implementations for Unit testing.</b><br>
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