garbage-first heap   total 247808K, used 34005K [0x00000000f0e00000, 0x0000000100000000)
 region size 1024K, 3 young (3072K), 0 survivors (0K)
Metaspace       used 71916K, capacity 72921K, committed 76668K, reserved 1107968K
 class space    used 8743K, capacity 9101K, committed 9852K, reserved 1040384K