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RH AS4
CPU:2.4G
MEM:4G
系统用来跑邮件和邮件网关系统,突然觉得系统反应较慢,登陆到后台用top看到migration/2很不正常,具体看图:
top - 14:01:08 up 79 days, 2:43, 2 users, load average: 2.13, 2.05, 2.01
Tasks: 159 total, 1 running, 158 sleeping, 0 stopped, 0 zombie
Cpu(s): 17.8% us, 34.3% sy, 0.0% ni, 45.3% id, 2.2% wa, 0.2% hi, 0.2% si
Mem: 4154580k total, 4117356k used, 37224k free, 300824k buffers
Swap: 4096532k total, 352k used, 4096180k free, 2049056k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
6 root RT 0 0 0 0 S 19.6 0.5 663:46.81 migration/2
请高手帮忙分析一下这种情况的原因,非常感谢~~ |
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