Check manual page of jolokia_metrics.bea_threads
BEA Weblogic: Number of JVM threads
This check works on the number of threads running in a JVM.
To use this plugin, Jolokia and the agent plugin need to be installed
on the monitored server.
This check does not have configurable levels.
The name of the application server instance as configured by the agent.
One check is created per JVM instance sent by the Jolokia agent.