The jmap tool is simple to use from the command line to produce a heap dump. It can be used against a running Java process whose piocess ID (pid) is known (available via jps) or against a core file.

Heap dumps can be captured using several mechanisms. Here I am going to show a couple of effective ways. First, you need to identify the Java Process Id, for which you are going to capture Heap Dump.

This API provides safe and efficient access to memory outside the Java heap. New concepts such as memory segments ... By simplifying the integration process and enhancing safety, the FFM API opens new ...

OpenJDK plan would improve support for archived Java heap objects in class data sharing, aligning with the Project Leyden effort to improve startup performance. Efforts to improve Java program ...