0.230: [GC pause (young)0.235:  (initial-mark), 0.00430038 secs]
[GC concurrent-mark-start]
   [Parallel Time:   4.1 ms]
      [GC Worker Start Time (ms):  230.4  230.4  230.5  230.5]
      [Update RS (ms):  0.0  0.0  0.1  0.0
       Avg:   0.0, Min:   0.0, Max:   0.1]
         [Processed Buffers : 1 1 1 1
          Sum: 4, Avg: 1, Min: 1, Max: 1]
      [Ext Root Scanning (ms):  0.2  0.1  0.1  0.1
       Avg:   0.1, Min:   0.1, Max:   0.2]
      [Mark Stack Scanning (ms):  0.0  0.0  0.0  0.0
       Avg:   0.0, Min:   0.0, Max:   0.0]
      [Scan RS (ms):  0.0  0.0  0.0  0.0
       Avg:   0.0, Min:   0.0, Max:   0.0]
      [Object Copy (ms):  3.8  3.8  3.8  3.8
       Avg:   3.8, Min:   3.8, Max:   3.8]
      [Termination (ms):  0.0  0.0  0.0  0.0
       Avg:   0.0, Min:   0.0, Max:   0.0]
         [Termination Attempts : 1 1 1 1
          Sum: 4, Avg: 1, Min: 1, Max: 1]
      [GC Worker End Time (ms):  234.4  234.4  234.4  234.4]
      [Other:   0.2 ms]
   [Clear CT:   0.1 ms]
   [Other:   0.1 ms]
      [Choose CSet:   0.0 ms]
   [ 53M->53M(103M)]
 [Times: user=0.00 sys=0.00, real=0.01 secs] 