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From "Eric Payne (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3703) ResourceManager should provide node lists in JMX output
Date Tue, 24 Jan 2012 22:20:44 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13192614#comment-13192614
] 

Eric Payne commented on MAPREDUCE-3703:
---------------------------------------

The following are updates to the LiveNameNodes fields:
{noformat}

{
    "name" : "Hadoop:service=ResourceManager,name=RMNMInfo",
    "modelerType" : "org.apache.hadoop.yarn.server.resourcemanager.RMNMInfo",
    "LiveNodeManagers" : "[
                            {
                              "HostName":"<HOSTNAME1>",
                              "Rack":"/xxx.xxx.xxx.xxx",
                              "State":"RUNNING",
                              "NodeId":"<HOSTNAME1>:<PORT1>",
                              "NodeHTTPAddress":"<HOSTNAME1>:<PORT2>",
                              "HealthStatus":"Healthy",
                              "LastHealthUpdate":1327442780185,
                              "HealthReport":"",
                              "NumContainersMB":0,
                              "UsedMemoryMB":0,
                              "AvailableMemoryMB":<MEM>
                            },
                            { ... },
                            { ... },
                            ...
                          ]"
} 

{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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