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top - 10:32:33 up 592 days, 15:52, 1 user, load average: 11.53, 11.33, 11.20
Tasks: 1171 total, 1 running, 1170 sleeping, 0 stopped, 0 zombie
Cpu(s): 6.3%us, 0.7%sy, 0.0%ni, 93.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 132103620k total, 57340532k used, 74763088k free, 488296k buffers
Swap: 37887992k total, 8004k used, 37879988k free, 48490172k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
45388 root 20 0 29.0g 1.6g 20m S 914.8 1.3 10113:27 java
1214 root 20 0 0 0 0 S 67.9 0.0 11904:41 flush-8:0
1382 root 20 0 15820 1996 844 R 8.9 0.0 0:00.08 top
19041 root 20 0 29.0g 813m 11m S 7.1 0.6 6:26.04 java
18637 root 20 0 186m 43m 1072 S 1.8 0.0 46:32.75 redis-server
我不明白,我门线上服务器,4个CPU,48个逻辑CPU,为什么空闲的cpu:93.0%id, 但是下面COMMAND中的java的cpu的占用的百分比确实914.8%,郁闷!java为什么占这么高?而空闲的cpu还这么多?什么情况?????
而且线上在报警,同事说没事?!!!!! |
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