Hadoop NameNode FS name system state (HADOOP_NAMENODE_FSNAMESYSTEMSTATE)

This application class monitors the file system states of a NameNode. The Hadoop KM gathers these attributes by executing the following query:

<NameNode jmx url>?qry=Hadoop:service=NameNode,name=FSNamesystemState

where,

<NameNode jmx url> is the Java Management Extensions url, http://<<namenode host name>>:<<namenode port>>/jmx

qry is Hadoop by default

service contains the type of the group, for example, DataNode, ResourceManager, JobTracker, ResourceManager, TaskTracker and other available groups

name contains the type of metrics data you want to collect and display, for example, JVMmetrics, Queuemetrics, RPCactivity and other available metrics types

Application class attributes

Attributes (parameters)