Heap size (-Xmx and -Xms): The heap is the memory area where Java objects are allocated and managed. The -Xmx parameter specifies the maximum heap size, while -Xms specifies the initial heap size.

Figure 1 is a heap usage chart provided by JProbe. It gives a runtime summary of the heap memory in use over time as the Java EE application runs.

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 ...

Whenever a new string variable or object is created, it is stored in computer memory. Memory is split into two high-level blocks, the stack and the heap. Java stores object values in heap memory; ...