One instance of "org.hornetq.core.journal.impl.JournalImpl" loaded by "sun.misc.Launcher$AppClassLoader @ 0x2aaab3a7f0c0" occupies 620.302.536 (72,98%) bytes. The memory is accumulated in one instance of "java.util.concurrent.ConcurrentHashMap$Segment[]" loaded by "<system class loader>".Keywords
org.hornetq.core.journal.impl.JournalImpl
java.util.concurrent.ConcurrentHashMap$Segment[]
sun.misc.Launcher$AppClassLoader @ 0x2aaab3a7f0c0
One instance of "org.hornetq.core.journal.impl.JournalCompactor" loaded by "sun.misc.Launcher$AppClassLoader @ 0x2aaab3a7f0c0" occupies 142.506.408 (16,77%) bytes. The memory is accumulated in one instance of "java.util.LinkedList$Entry" loaded by "<system class loader>".Keywords
sun.misc.Launcher$AppClassLoader @ 0x2aaab3a7f0c0
java.util.LinkedList$Entry
org.hornetq.core.journal.impl.JournalCompactor
The problem suspects 1 and 2 may be related, because the reference chains to them have a common beginning.