If this option is passed then only the live objects in the heap are dumped. If your application is running with a large memory size then typically it would take a long time to capture the heap dump ...

You can fix your Java memory leak problem without a costly JVM heap dump. Just use Java Flight Recorder's Old Object Sample event and view the recording in JDK Mission Control.

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