Memory (Heap)

The Memory (Heap) metric group contains metrics regarding JVM heap usage. The metrics available are:

  • Initially requested
  • Committed
  • Max available
  • Used

Initially requested

The amount of memory that the Java virtual machine initially requests from the operating system for memory management.

You can also get this metric through the Monitoring API with the query param metrics=n::heapmemoryinit.

Committed

The amount of memory that is committed for the Java virtual machine to use.

You can also get this metric through the Monitoring API with the query param metrics=n::heapmemorycommitted.

Max available

The maximum amount of memory that can be used for memory management.

You can also get this metric through the Monitoring API with the query param metrics=n::heapmemorymax.

Used

The amount of used memory.

You can also get this metric through the Monitoring API with the query param metrics=n::heapmemoryused.