Using Heapdump

The term Heapdump describes the JVM mechanism that generates a dump of all the live objects that are on the Java™ heap, which are being used by the running Java application.

There are two dump formats, the text or classic heap dump format and the Portable Heap Dump (PHD) format. To learn more about the content of these heap dump files, see the Heap dump section of the Eclipse OpenJ9 documentation.