Hadoop JobTracker startup progress (HADOOP_JOBTRACKER_STARTUPPROGRESS)

The HADOOP_JOBTRACKER_STARTUPPROGRESS application class displays the statistics of JobTracker startup. Four metrics are exposed for each startup phase based on its name. The startup phases are LoadingFsImage, LoadingEdits, SavingCheckpoint, and SafeMode. The Hadoop KM gathers these attributes by executing the following query:

<JobTracker jmx url>?qry=Hadoop:service=JobTracker,name=StartupProgress

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)