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 use the “jmap” tool to capture the heap dump. jmap prints heap memory details of a given process into a file. jmap tool is shipped with JDK. Here is how you should invoke it: jmap ...

1. Capture the heap dump. A heap dump is a snapshot of what’s in your Java program’s memory at a given point in time. It contains details about objects that are present in memory, actual data that is ...