老师这是其中一条长耗时日志,能帮忙分析下产生原因以及解决办法么?服务里有定时job,几分钟就会生成一个较大的map数据结构
2019-07-03T08:56:40.059+0800: 44911.714: [GC pause (G1 Evacuation Pause) (young)
, 0.1776547 secs]
[Parallel Time: 173.7 ms, GC Workers: 28]
[GC Worker Start (ms): Min: 44911714.7, Avg: 44911715.0, Max: 44911715.2,
Diff: 0.5]
[Ext Root Scanning (ms): Min: 1.6, Avg: 2.9, Max: 10.6, Diff: 9.1, Sum: 82
.2]
[Update RS (ms): Min: 0.0, Avg: 5.0, Max: 9.3, Diff: 9.3, Sum: 139.8]
[Processed Buffers: Min: 0, Avg: 25.6, Max: 76, Diff: 76, Sum: 717]
[Scan RS (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.5]
[Code Root Scanning (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.
0]
[Object Copy (ms): Min: 161.9, Avg: 165.2, Max: 171.4, Diff: 9.4, Sum: 462
4.3]
[Termination (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.6]
[Termination Attempts: Min: 1, Avg: 22.7, Max: 33, Diff: 32, Sum: 636]
[GC Worker Other (ms): Min: 0.0, Avg: 0.1, Max: 0.2, Diff: 0.2, Sum: 2.5]
[GC Worker Total (ms): Min: 173.0, Avg: 173.2, Max: 173.5, Diff: 0.5, Sum:
4850.0]
[GC Worker End (ms): Min: 44911888.1, Avg: 44911888.2, Max: 44911888.3, Di
ff: 0.2]
[Code Root Fixup: 0.2 ms]
[Code Root Purge: 0.0 ms]
[Clear CT: 0.4 ms]
[Other: 3.4 ms]
[Choose CSet: 0.0 ms]
[Ref Proc: 0.8 ms]
[Ref Enq: 0.0 ms]
[Redirty Cards: 0.7 ms]
[Humongous Register: 0.2 ms]
[Humongous Reclaim: 0.0 ms]
[Free CSet: 0.4 ms]
[Eden: 728.0M(728.0M)->0.0B(912.0M) Survivors: 296.0M->112.0M Heap: 8226.2M(2
0.0G)->7606.9M(20.0G)]
[Times: user=1.92 sys=0.04, real=0.18 secs]