ResourceManager should provide node lists in JMX output
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Key: MAPREDUCE-3703
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3703
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: resourcemanager
Affects Versions: 0.23.1
Reporter: Eric Payne
Assignee: Eric Payne
Priority: Critical
In 0.20.*, the JMX UI for the JobTracker (http://<JobTrackerHost>:50030/jmx)
showed lists of Live and BlackListed Nodes under the JobTrackerInfo section.
In 0.23, the ResourceManager JMX UI shows the number of active, decommissioned,
lost, unhealthy, and rebooted nodes under the ClusterMetrics section, but does
not give the list of nodes.
At least the list of active nodes is needed in JSON format.
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