Did I understand correctly that several years ago, Oracle promised to transfer buns to Hotspot from JRockit, and to stop working on the latter? In addition to Java Mission Control, what was already integrated from the interesting?

    1 answer 1

    As a result of combining JRokit with HotSpot , PermGen was removed and replaced with Metaspace . Those. Information about loaded classes is now stored in native memory. What allows this area of ​​memory to grow dynamically and dynamically decrease, plus the PermSize and MaxPermSize starting with java 8 invalid.