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https://issues.apache.org/jira/browse/MAPREDUCE-3703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13192305#comment-13192305
]
Eric Payne commented on MAPREDUCE-3703:
---------------------------------------
Here is the (pretty-fied) JSON output of the RMNMInfo bean from the
Resourcemanager:
{noformat}
{
"name" : "Hadoop:service=ResourceManager,name=RMNMInfo",
"modelerType" : "org.apache.hadoop.yarn.server.resourcemanager.RMNMInfo",
"LiveNodeManagers" : "
[
{ "HostName":"<HOSTNAME-1>"
"NodeHTTPAddress":"<HOSTNAME-1>:<PORT>"
"Rack":"/xxx.xxx.xxx.xxx"
"NodeState":"RUNNING"
"HealthStatus":"Healthy"
"LastHealthyUpdate":1327351645595
"HealthReport":""
"UsedContainers":0
"UsedMemory":0
"AvailableMemory":<MEM-IN-MEG>
}
{ "HostName":"<HOSTNAME-2>"
"NodeHTTPAddress":"<HOSTNAME-2>:<PORT>"
"Rack":"/xxx.xxx.xxx.xxx"
"NodeState":"RUNNING"
"HealthStatus":"Healthy"
"LastHealthyUpdate":1327351645755
"HealthReport":""
"UsedContainers":0
"UsedMemory":0
"AvailableMemory":<MEM-IN-MEG>
}
...
{ "HostName":"<HOSTNAME-n>"
"NodeHTTPAddress":"<HOSTNAME-n>:<PORT>"
"Rack":"/xxx.xxx.xxx.xxx"
"NodeState":"RUNNING"
"HealthStatus":"Healthy"
"LastHealthyUpdate":1327351645423
"HealthReport":""
"UsedContainers":0
"UsedMemory":0
"AvailableMemory":<MEM-IN-MEG>
}
]"
}
{noformat}
> ResourceManager should provide node lists in JMX output
> -------------------------------------------------------
>
> 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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