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.

With ZGC, operations such as object loading can be done concurrently while application threads are running. ZGC executes tasks including marking, reference processing, and relocation/compaction.

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