Hint 1

Class Name	Ref. Objects	Shallow Heap	Ref. Shallow Heap	Retained Heap
java.lang.Thread @ 0x186be0e8 qtp25515818-20 Thread	2	104	48	14,296
\ contextClassLoader sun.misc.Launcher$AppClassLoader @ 0x18548648	2	72	48	10,665,288
.\ classes java.util.Vector @ 0x185486b8	2	24	48	10,370,752
..\ elementData java.lang.Object[5120] @ 0x18a4b768	2	20,496	48	10,370,728
...\ [1794] class gsn.Mappings @ 0x440412f0	2	16	48	6,456
....\ fileNameToVSInstance java.util.concurrent.ConcurrentHashMap @ 0x18a1c310	2	40	48	1,384
.....\ segments java.util.concurrent.ConcurrentHashMap$Segment[16] @ 0x18a1fc80	2	80	48	1,328
......+ [7] java.util.concurrent.ConcurrentHashMap$Segment @ 0x18a22fc0 »	1	32	24	96
......+ [13] java.util.concurrent.ConcurrentHashMap$Segment @ 0x18a23080 »	1	32	24	96
......\ Total: 2 entries	2	64	48