Using Ambari Core Services
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Ambari Server JVM

Metrics to see status for the Ambari Server Java virtual machine.

Table 1. Ambari Server JVM metrics descriptions
Row Metrics Description
JVM - MEMORY PRESSURE Heap Usage Used, max or committed on-heap memory for Ambari Server.
Off-Heap Usage Used, max or committed off-heap memory for Ambari Server.
JVM GC COUNT GC Count Par new /s Number of Java ParNew (YoungGen) Garbage Collections per second.
GC Time Par new /s Total time spend in Java ParNew(YoungGen) Garbage Collections per second.
GC Count CMS /s Number of Java Garbage Collections per second.
GC Time Par CMS /s Total time spend in Java CMS Garbage Collections per second.
JVM THREAD COUNT Thread Count Number of active, daemon, deadlock, blocked and runnable threads.