Java Mission Control also provides embedded access to the Java Diagnostic Command tool jcmd. Developers can use it to execute a variety of VM operations against a running JVM, such as the following ...

You can adjust the number of objects on the Java heap tracked by Flight Recorder by adjusting the old object queue size:-XX:FlightRecordingOptions=old-object-queue-size=512 JDK Mission Control memory ...

An Oracle-developed, low-latency Java garbage collector geared to large heaps could move to the open source community, if a proposal to do so gets community approval. Votes are due by November 8.

For the Azure cloud, jaz takes over the configuration of the heap size and the garbage strategy, among other things. The tool uses AppsCDS and, in the future, Project Leyden for optimization.