Hadoop JobTracker queue metrics default (HADOOP_JOBTRACKER_QUEUEMETRICS_DEFAULT)

This application class monitors all the JobTracker activities in the default queue. The attributes display the number of map tasks, reduce tasks, jobs in a queue. The Hadoop KM gathers these attributes by executing the following query:

<JobTracker jmx url>?qry= Hadoop:service=JobTracker,name=QueueMetrics,q=default

where,

<JobTracker jmx url>  Java Management Extensions url, http://<<JobTracker name>>:<<JobTracker 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)