1015835:
garbage-first heap   total reserved 8814592K, committed 4407296K, used 671977K [0x00000005e6000000, 0x0000000800000000)
 region size 8M, 61 eden (488M), 3 survivor (24M), 16 old (128M), 3 humongous (24M), 455 free (3640M)