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top - 20:45:44 up 3 days, 4:06, 1 user, load average: 2.40, 2.33, 2.28
Tasks: 73 total, 2 running, 71 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, 0.0%sy, 0.0%ni, 0.0%id, 18.3%wa, 1.3%hi, 80.4%si, 0.0%st
Cpu2 : 0.0%us, 0.0%sy, 0.0%ni, 23.8%id, 0.0%wa, 1.3%hi, 74.8%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: 8282256k total, 7130812k used, 1151444k free, 166312k buffers
Swap: 5630772k total, 1112k used, 5629660k free, 6687612k cached
root@localhost1 ~]# vmstat 4 5
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b swpd free buff cache si so bi bo in cs us sy id wa st
0 1 1112 1147708 166320 6689084 0 0 53 464 11 17 1 38 55 6 0
2 1 1112 1147568 166320 6689172 0 0 0 1865 31965 8908 0 41 55 4 0
1 1 1112 1147572 166320 6689228 0 0 0 1864 31781 8848 0 40 56 4 0
1 1 1112 1147192 166320 6689284 0 0 0 1872 31534 8696 0 40 56 4 0
0 1 1112 1147180 166320 6689340 0 0 0 1864 31969 8736 0 41 55 4 0
[root@localhost1 ~]# free
total used free shared buffers cached
Mem: 8282256 7135324 1146932 0 166320 6689716
-/+ buffers/cache: 279288 8002968
Swap: 5630772 1112 5629660
这台设备就是做nat转换用的,上面就开了iptables,ssh,syslog,snmp这几个服务。cpu是一颗四核的,这样的cpu占用还是闲的时候,到了晚高峰,有两个核心会用到100%,另外两个才用到1%。求高手指教~~~ |
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