[jira] [Commented] (YARN-2442) ResourceManager JMX UI does not give HA State

["Rohith (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-2442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14528230#comment-14528230 ] 

Rohith commented on YARN-2442:
------------------------------

Apologies for looking back after very long time. 
IMHO, some customers has use case of using JMX for monitoring the daemons. When there is system similar to Ambari i.e Hadoop Cluster Operation Manager uses JMX for monitoring the daemons like healtch check service. Such systems start the daemons with JMX enabled mode default. Currently, ClusterMetrics, QueueMetrics and RMNMInfor are registered with JMX and these metrics are able to retrieve from using JMX. Similarly, If there there is another MBean for RMInfoMbean and register with basic RM info such as state,securityEnabled and other required RM attributes would be helpfull for JMX dependent users. This is very similar to HDFS NameNodeStatusMXBean.

Kindly give your opinion, thoughts on this. 

> ResourceManager JMX UI does not give HA State
> ---------------------------------------------
>
>                 Key: YARN-2442
>                 URL: https://issues.apache.org/jira/browse/YARN-2442
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.5.0
>            Reporter: Nishan Shetty
>            Assignee: Rohith
>
> ResourceManager JMX UI can show the haState (INITIALIZING, ACTIVE, STANDBY, STOPPED)



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