YARN MR JobHistory Server

Metrics to see status of the Job History Server.

Table 1. YARN MR JobHistory Server metrics descriptions
Row	Metrics	Description
JVM METRICS	GC Count	Accumulated GC count over time.
	GC Time	Accumulated GC time over time.
	Heap Mem Usage	Current heap memory usage.
	NonHeap Mem Usage	Current non-heap memory usage.