Hadoop High Availability cluster NameNode (HADOOP_HA_CLUSTER_NAME_NODE)

This application class is used to monitor either the name nodes or the resource managers cluster, it is a high availability cluster. It can be used to discover name nodes or resource managers clusters.

The cluster can contain all the high availability components like name nodes, resource managers, data nodes, node managers,job history, secondary name node, job tracker and journal nodes under it.

The cluster components can be retrieved from the following:

  • In case, if the cluster connection is with the name node then the KM gather the attributes from the main name node conf xml. 
    Conf URL: http://<<name node host>>:<<name node port>>/conf
  • In case, if the cluster connection is with the resource manager then the KM gather the attributes from the main resource manager conf xml. 
    Conf URL: http://<<resource manager host>>:<<resource manager port>>/conf

Application class attributes

Item

Description

Active

Yes

Created by

Discovery

Parent class

HADOOP_ENVIRONMENT

Child class

HADOOP_DATA_NODES_CONTAINER
HADOOP_NODE_MANAGERS_CONTAINER
HADOOP_NAME_NODE
HADOOP_SECONDARY_NAME_NODE
HADOOP_JOBHISTORY_NODE_CONTAINER
HADOOP_RESOURCE_MANAGER_NODE
HADOOP_JOBTRACKER_NODE
HADOOP_JOURNAL_NODES_CONTAINER

 

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