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https://issues.apache.org/jira/browse/YARN-2917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14233971#comment-14233971
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Rohith commented on YARN-2917:
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Scenario to reoccur this issue
# Start Hadoop cluster(NN DN RM NM) by enabling node-label manager.
configuration
{{yarn.node-labels.manager-class=org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager}}
and {{yarn.node-labels.fs-store.root-dir=/tmp/node-label}}
# Stop DataNode's
# Perform -addToClusterNodeLabels operation
> RM get hanged if fail to store NodeLabels into store.
> -----------------------------------------------------
>
> Key: YARN-2917
> URL: https://issues.apache.org/jira/browse/YARN-2917
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Rohith
> Assignee: Rohith
> Priority: Critical
>
> I encoutered scenario where RM hanged while shutting down and keep on logging
> {{2014-12-03 19:32:44,283 INFO org.apache.hadoop.yarn.event.AsyncDispatcher:
> Waiting for AsyncDispatcher to drain.}}
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