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.

Register now. For a Java process, there are several memory pools or spaces - Java heap, Metaspace, PermGen (in versions prior to Java 8) and native heap. Each of these memory pools might encounter ...

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 ...