在觀察時想到一個問題: java 支援多核心嘛????
top - 19:12:42 up 46 days, 56 min, 1 user, load average: 1.00, 0.99, 0.91
Tasks: 1 total, 0 running, 1 sleeping, 0 stopped, 0 zombie
Cpu0 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 0.0%us, 0.3%sy, 27.2%ni, 72.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 0.0%us, 0.3%sy, 72.3%ni, 27.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1018984k total, 591148k used, 427836k free, 42644k buffers
Swap: 2980016k total, 796k used, 2979220k free, 242536k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
32245 www-data 30 10 380m 191m 7824 S 110 19.3 38:50.30 java