 0.290: [G1Ergonomics (Concurrent Cycles) initiate concurrent cycle, reason: concurrent cycle initiation requested]
0.290: [GC pause (G1 Evacuation Pause) (young) (initial-mark) 0.290: [G1Ergonomics (CSet Construction) start choosing CSet, _pending_cards: 512, predicted base time: 2.55 ms, remaining time: 197.45 ms, target pause time: 200.00 ms]
 0.290: [G1Ergonomics (CSet Construction) add young regions to CSet, eden: 15 regions, survivors: 2 regions, predicted young region time: 70.70 ms]
 0.290: [G1Ergonomics (CSet Construction) finish choosing CSet, eden: 15 regions, survivors: 2 regions, old: 0 regions, predicted pause time: 73.25 ms, target pause time: 200.00 ms]
 0.301: [G1Ergonomics (Heap Sizing) attempt heap expansion, reason: recent GC overhead higher than threshold after GC, recent GC overhead: 16.41 %, threshold: 10.00 %, uncommitted: 33554432 bytes, calculated expansion amount: 6710886 bytes (20.00 %)]
 0.301: [G1Ergonomics (Heap Sizing) expand the heap, requested expansion amount: 6710886 bytes, attempted expansion amount: 7340032 bytes]
, 0.0115587 secs]
   [Parallel Time: 11.2 ms, GC Workers: 4]
      [GC Worker Start (ms): Min: 289.9, Avg: 290.0, Max: 290.0, Diff: 0.0]
      [Ext Root Scanning (ms): Min: 0.4, Avg: 0.4, Max: 0.5, Diff: 0.1, Sum: 1.8]
      [Code Root Marking (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.1]
      [Update RS (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.1]
         [Processed Buffers: Min: 0, Avg: 0.8, Max: 1, Diff: 1, Sum: 3]
      [Scan RS (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.1]
      [Code Root Scanning (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.0]
      [Object Copy (ms): Min: 10.5, Avg: 10.5, Max: 10.5, Diff: 0.0, Sum: 42.0]
      [Termination (ms): Min: 0.0, Avg: 0.0, Max: 0.1, Diff: 0.1, Sum: 0.1]
      [GC Worker Other (ms): Min: 0.0, Avg: 0.0, Max: 0.1, Diff: 0.1, Sum: 0.2]
      [GC Worker Total (ms): Min: 11.1, Avg: 11.1, Max: 11.1, Diff: 0.0, Sum: 44.3]
      [GC Worker End (ms): Min: 301.0, Avg: 301.0, Max: 301.0, Diff: 0.0]
   [Code Root Fixup: 0.0 ms]
   [Code Root Migration: 0.0 ms]
   [Clear CT: 0.1 ms]
   [Other: 0.3 ms]
      [Choose CSet: 0.0 ms]
      [Ref Proc: 0.1 ms]
      [Ref Enq: 0.0 ms]
      [Free CSet: 0.0 ms]
   [Eden: 15.0M(15.0M)->0.0B(10.0M) Survivors: 2048.0K->3072.0K Heap: 71.1M(96.0M)->71.2M(103.0M)]
 [Times: user=0.03 sys=0.03, real=0.02 secs] 
0.302: [GC concurrent-root-region-scan-start]
0.302: [GC concurrent-root-region-scan-end, 0.0001729 secs]
0.302: [GC concurrent-mark-start]
0.303: [GC concurrent-mark-end, 0.0011728 secs]
0.303: [GC remark 0.303: [GC ref-proc, 0.0000700 secs], 0.0010462 secs]
 [Times: user=0.00 sys=0.00, real=0.00 secs] 
0.304: [GC cleanup 75M->25M(103M), 0.0004412 secs]
 [Times: user=0.00 sys=0.00, real=0.00 secs] 
0.305: [GC concurrent-cleanup-start]
0.305: [GC concurrent-cleanup-end, 0.0000950 secs]
0.307: [GC pause (G1 Evacuation Pause) (young) 0.307: [G1Ergonomics (CSet Construction) start choosing CSet, _pending_cards: 768, predicted base time: 2.46 ms, remaining time: 197.54 ms, target pause time: 200.00 ms]
 0.307: [G1Ergonomics (CSet Construction) add young regions to CSet, eden: 10 regions, survivors: 3 regions, predicted young region time: 46.94 ms]
 0.307: [G1Ergonomics (CSet Construction) finish choosing CSet, eden: 10 regions, survivors: 3 regions, old: 0 regions, predicted pause time: 49.40 ms, target pause time: 200.00 ms]
 0.314: [G1Ergonomics (Heap Sizing) attempt heap expansion, reason: recent GC overhead higher than threshold after GC, recent GC overhead: 19.37 %, threshold: 10.00 %, uncommitted: 26214400 bytes, calculated expansion amount: 5242880 bytes (20.00 %)]
 0.314: [G1Ergonomics (Heap Sizing) expand the heap, requested expansion amount: 5242880 bytes, attempted expansion amount: 5242880 bytes]
 0.314: [G1Ergonomics (Mixed GCs) do not start mixed GCs, reason: reclaimable percentage not over threshold, candidate old regions: 5 regions, reclaimable: 4689472 bytes (4.14 %), threshold: 10.00 %]
, 0.0071588 secs]
   [Parallel Time: 6.8 ms, GC Workers: 4]
      [GC Worker Start (ms): Min: 307.3, Avg: 307.3, Max: 307.3, Diff: 0.0]
      [Ext Root Scanning (ms): Min: 0.4, Avg: 0.4, Max: 0.5, Diff: 0.0, Sum: 1.8]
      [Update RS (ms): Min: 0.0, Avg: 0.0, Max: 0.1, Diff: 0.1, Sum: 0.1]
         [Processed Buffers: Min: 0, Avg: 1.0, Max: 2, Diff: 2, Sum: 4]
      [Scan RS (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.1]
      [Code Root Scanning (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.0]
      [Object Copy (ms): Min: 6.1, Avg: 6.2, Max: 6.2, Diff: 0.1, Sum: 24.7]
      [Termination (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.0]
      [GC Worker Other (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.1]
      [GC Worker Total (ms): Min: 6.7, Avg: 6.7, Max: 6.7, Diff: 0.0, Sum: 26.8]
      [GC Worker End (ms): Min: 314.0, Avg: 314.0, Max: 314.0, Diff: 0.0]
   [Code Root Fixup: 0.0 ms]
   [Code Root Migration: 0.0 ms]
   [Clear CT: 0.1 ms]
   [Other: 0.3 ms]
      [Choose CSet: 0.0 ms]
      [Ref Proc: 0.1 ms]
      [Ref Enq: 0.0 ms]
      [Free CSet: 0.0 ms]
   [Eden: 10.0M(10.0M)->0.0B(32.0M) Survivors: 3072.0K->2048.0K Heap: 31.2M(103.0M)->31.2M(108.0M)]
 [Times: user=0.06 sys=0.00, real=0.01 secs] 
