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8月前
请教各位大佬 ygc 时机是在eden区满了之后 立即触发吗
root:~$ jstat -gcutil 4526 5000
S0 S1 E O M CCS YGC YGCT FGC FGCT GCT
1.46 0.00 35.49 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
1.46 0.00 44.78 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
1.46 0.00 56.76 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
1.46 0.00 64.86 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
1.46 0.00 74.45 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
1.46 0.00 80.70 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
1.46 0.00 85.48 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
1.46 0.00 95.68 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
1.46 0.00 99.66 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
47.69 0.00 100.00 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
98.41 0.00 100.00 3.22 94.95 92.17 15258 315.746 48 13.594 329.340
0.00 1.51 8.36 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 11.27 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 21.47 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 29.88 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 40.09 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 49.63 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 61.53 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 69.98 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 79.79 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 91.84 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 1.51 97.84 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 34.78 100.00 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
0.00 84.06 100.00 3.22 94.95 92.17 15259 315.763 48 13.594 329.357
1.59 0.00 7.65 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 19.19 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 26.28 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 32.06 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 41.23 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 50.88 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 58.89 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 68.84 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 77.13 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 87.22 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
1.59 0.00 97.85 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
37.53 0.00 100.00 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
87.84 0.00 100.00 3.22 94.95 92.17 15260 315.779 48 13.594 329.373
0.00 1.85 11.19 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 21.95 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 31.13 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 40.78 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 49.66 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 57.56 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 65.87 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 72.89 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 77.79 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 87.17 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 1.85 96.94 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 24.46 100.00 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
0.00 67.20 100.00 3.22 94.95 92.17 15261 315.799 48 13.594 329.393
1.88 0.00 10.82 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
1.88 0.00 23.33 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
1.88 0.00 29.88 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
1.88 0.00 39.62 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
1.88 0.00 51.17 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
1.88 0.00 59.66 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
1.88 0.00 70.57 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
1.88 0.00 80.34 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
1.88 0.00 85.73 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
1.88 0.00 98.15 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
45.97 0.00 100.00 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
95.57 0.00 100.00 3.22 94.95 92.17 15262 315.819 48 13.594 329.413
0.00 1.79 9.31 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 16.51 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 24.49 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 30.69 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 39.47 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 46.61 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 55.68 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 59.66 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 61.31 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 62.67 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 64.09 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 64.63 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 65.15 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 66.67 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 68.52 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 69.75 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 71.01 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 73.90 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 75.41 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 77.51 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 79.08 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 80.83 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 82.53 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 84.70 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 86.99 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 89.32 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 89.84 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 90.89 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 92.09 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 93.24 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 94.31 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 96.60 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 97.99 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 1.79 98.90 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 5.27 100.00 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 18.99 100.00 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 34.91 100.00 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 46.86 100.00 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 70.47 100.00 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 84.35 100.00 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
0.00 94.40 100.00 3.22 94.95 92.17 15263 315.835 48 13.594 329.429
1.40 0.00 0.55 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 1.79 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 3.36 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 4.33 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 5.95 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 6.81 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 7.74 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 8.79 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 10.24 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 12.15 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 13.42 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 14.98 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 15.62 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 17.84 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 19.48 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 20.75 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 22.22 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 23.78 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 26.33 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 27.53 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 29.75 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 30.45 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 32.02 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 34.20 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 37.16 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 38.90 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 40.05 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 41.18 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 42.43 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 44.56 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 46.01 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 46.90 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 48.30 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 50.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 53.45 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 55.69 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 57.12 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 58.46 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 59.46 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 60.23 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 62.10 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 62.98 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 64.12 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 64.81 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 67.53 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 70.67 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 72.29 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 73.46 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 76.58 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 77.69 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 78.76 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 79.42 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 80.25 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 82.40 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 84.90 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 86.75 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 88.26 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 89.58 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 90.63 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 91.11 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 93.82 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 95.47 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 97.72 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
1.40 0.00 99.09 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
5.32 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
12.20 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
25.82 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
37.02 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
53.88 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
61.00 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
65.41 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
73.64 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
83.43 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
93.47 0.00 100.00 3.22 94.95 92.17 15264 315.854 48 13.594 329.448
0.00 1.62 1.00 3.22 94.95 92.17 15265 315.879 48 13.594 329.473
0.00 1.62 2.42 3.22 94.95 92.17 15265 315.879 48 13.594 329.473
0.00 1.62 5.20 3.22 94.95 92.17 15265 315.879 48 13.594 329.473
0.00 1.62 6.46 3.22 94.95 92.17 15265 315.879 48 13.594 329.473
最近线上服务发现一个奇怪现象 eden 区满了之后，survivor 使用也会逐步使用，直到被打满之后 才会触发 YGC ；
之前一直理解的是 eden 区满了之后立即触发 ygc，难道是哪些理解不对 ？
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