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https://issues.apache.org/jira/browse/MAPREDUCE-3353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bikas Saha updated MAPREDUCE-3353:
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Attachment: MAPREDUCE-3353-branch-0.23.patch
1) Fixed the javadoc warning.
2) The javac warnings are because of events handlers being called in
NodesListManager.java and are similar to pre-existing warnings.
===========
[WARNING]
/home/jenkins/jenkins-slave/workspace/PreCommit-MAPREDUCE-Build/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/NodesListManager.java:[142,19]
[unchecked] unchecked call to handle(T) as a member of the raw type
org.apache.hadoop.yarn.event.EventHandler
[WARNING]
/home/jenkins/jenkins-slave/workspace/PreCommit-MAPREDUCE-Build/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/NodesListManager.java:[155,21]
[unchecked] unchecked call to handle(T) as a member of the raw type
org.apache.hadoop.yarn.event.EventHandler
[WARNING]
/home/jenkins/jenkins-slave/workspace/PreCommit-MAPREDUCE-Build/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainerImpl.java:[244,35]
[unchecked] unchecked call to handle(T) as a member of the raw type
org.apache.hadoop.yarn.event.EventHandler
===========
> Need a RM->AM channel to inform AMs about faulty/unhealthy/lost nodes
> ---------------------------------------------------------------------
>
> Key: MAPREDUCE-3353
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3353
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster, mrv2, resourcemanager
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Bikas Saha
> Priority: Critical
> Fix For: 0.23.2
>
> Attachments: MAPREDUCE-3353-branch-0.23.patch,
> MAPREDUCE-3353-branch-0.23.patch, MAPREDUCE-3353-branch-0.23.patch
>
>
> When a node gets lost or turns faulty, AM needs to know about that event so
> that it can take some action like for e.g. re-executing map tasks whose
> intermediate output live on that faulty node.
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