joeyon@linux:~$ sudo jstat -gcutil 23441 1000 100
[sudo] password for joeyon:
S0 S1 E O P YGC YGCT FGC FGCT GCT
0.00 0.00 36.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 36.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 36.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 36.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
joeyon@linux:~$ sudo jstat -gcutil 23441 10000 100
S0 S1 E O P YGC YGCT FGC FGCT GCT
0.00 0.00 37.55 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 39.25 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 39.66 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 43.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 56.32 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 56.72 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 57.13 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 57.13 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 59.24 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 59.64 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 59.64 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 61.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.15 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.15 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.56 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.96 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.99 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 75.93 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 81.91 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 81.91 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 82.32 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 82.72 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 82.72 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 83.15 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 83.56 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 83.56 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 83.97 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 84.37 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 84.37 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 84.78 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 85.19 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 85.19 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 87.29 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 87.70 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 87.70 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 88.10 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 88.51 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 88.51 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 88.92 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 91.63 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 91.63 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 92.04 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 92.44 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 92.44 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 92.85 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 97.23 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 97.23 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 97.64 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.04 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.04 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.45 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.86 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.86 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 99.26 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 99.67 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 99.67 11.26 17.25 8251 48.403 20 5.848 54.251
48.91 0.00 1.78 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 5.68 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 5.68 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 6.13 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 6.58 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 6.58 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 7.02 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 10.67 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 11.12 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 11.57 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 11.57 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 12.01 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 13.67 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 14.12 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 14.56 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 14.56 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.01 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.01 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.46 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.90 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.90 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 16.35 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 16.35 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 16.79 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 17.24 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 17.24 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 17.69 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 19.35 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 19.80 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 20.24 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 20.24 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 20.69 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 20.69 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 21.14 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 21.58 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 21.58 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 22.03 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 22.03 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 22.47 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 22.92 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 24.59 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 25.04 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 25.04 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 27.75 11.26 17.25 8252 48.426 20 5.848 54.274
joeyon@linux:~$ sudo jstat -gcutil 23441 10000 100
[sudo] password for joeyon:
S0 S1 E O P YGC YGCT FGC FGCT GCT
0.00 27.19 14.58 11.26 17.25 8253 48.447 20 5.848 54.295
[sudo] password for joeyon:
S0 S1 E O P YGC YGCT FGC FGCT GCT
0.00 0.00 36.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 36.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 36.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 36.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 37.14 11.26 17.24 8251 48.403 20 5.848 54.251
joeyon@linux:~$ sudo jstat -gcutil 23441 10000 100
S0 S1 E O P YGC YGCT FGC FGCT GCT
0.00 0.00 37.55 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 39.25 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 39.66 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 43.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 56.32 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 56.72 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 57.13 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 57.13 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 59.24 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 59.64 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 59.64 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 61.74 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.15 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.15 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.56 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.96 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 62.99 11.26 17.24 8251 48.403 20 5.848 54.251
0.00 0.00 75.93 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 81.91 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 81.91 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 82.32 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 82.72 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 82.72 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 83.15 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 83.56 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 83.56 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 83.97 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 84.37 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 84.37 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 84.78 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 85.19 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 85.19 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 87.29 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 87.70 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 87.70 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 88.10 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 88.51 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 88.51 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 88.92 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 91.63 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 91.63 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 92.04 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 92.44 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 92.44 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 92.85 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 97.23 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 97.23 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 97.64 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.04 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.04 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.45 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.86 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 98.86 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 99.26 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 99.67 11.26 17.25 8251 48.403 20 5.848 54.251
0.00 0.00 99.67 11.26 17.25 8251 48.403 20 5.848 54.251
48.91 0.00 1.78 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 5.68 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 5.68 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 6.13 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 6.58 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 6.58 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 7.02 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 10.67 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 11.12 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 11.57 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 11.57 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 12.01 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 13.67 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 14.12 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 14.56 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 14.56 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.01 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.01 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.46 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.90 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 15.90 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 16.35 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 16.35 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 16.79 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 17.24 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 17.24 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 17.69 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 19.35 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 19.80 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 20.24 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 20.24 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 20.69 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 20.69 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 21.14 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 21.58 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 21.58 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 22.03 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 22.03 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 22.47 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 22.92 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 24.59 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 25.04 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 25.04 11.26 17.25 8252 48.426 20 5.848 54.274
48.91 0.00 27.75 11.26 17.25 8252 48.426 20 5.848 54.274
joeyon@linux:~$ sudo jstat -gcutil 23441 10000 100
[sudo] password for joeyon:
S0 S1 E O P YGC YGCT FGC FGCT GCT
0.00 27.19 14.58 11.26 17.25 8253 48.447 20 5.848 54.295
通过jstat工具监控进程23441的Java应用程序内存使用情况,包括新生代、老年代等区域的垃圾回收次数及时间,帮助理解Java应用内存管理和性能调优。
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