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top - 11:56:22 up 2:24, 1 user, load average: 77.07, 71.76, 49.65
Tasks: 389 total, 1 running, 388 sleeping, 0 stopped, 0 zombie
Cpu(s): 27.8%us, 25.9%sy, 0.0%ni, 45.9%id, 0.1%wa, 0.1%hi, 0.2%si, 0.0%st
Mem: 4004728k total, 3315916k used, 688812k free, 97052k buffers
Swap: 8193140k total, 0k used, 8193140k free, 1241716k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3322 lu_mysql 15 0 1516m 331m 5228 S 169.5 8.5 232:21.07 mysqld
16058 daemon 16 0 172m 12m 5420 S 15.6 0.3 0:01.03 httpd
15300 daemon 16 0 175m 15m 6228 S 14.3 0.4 0:00.90 httpd
9544 daemon 15 0 197m 165m 880 S 2.7 4.2 3:04.49 nginx
6731 zijidelu 16 0 157m 16m 9984 S 2.3 0.4 0:05.56 php-cgi
6771 zijidelu 15 0 154m 15m 9068 S 2.3 0.4 0:06.26 php-cgi
6739 zijidelu 16 0 164m 23m 9.8m S 2.0 0.6 0:06.84 php-cgi
6760 zijidelu 16 0 156m 15m 9496 S 1.3 0.4 0:05.97 php-cgi
14814 daemon 15 0 172m 13m 5708 S 0.7 0.3 0:02.03 httpd
3484 root 18 0 169m 12m 5860 S 0.3 0.3 0:01.49 httpd
15346 daemon 16 0 172m 13m 5424 S 0.3 0.4 0:00.46 httpd
15573 daemon 16 0 172m 12m 5016 S 0.3 0.3 0:01.12 httpd
15861 root 15 0 13028 1456 836 R 0.3 0.0 0:01.17 top
15882 daemon 16 0 170m 10m 3920 S 0.3 0.3 0:00.11 httpd
16086 daemon 16 0 170m 10m 3904 S 0.3 0.3 0:00.06 httpd
16155 daemon 16 0 170m 10m 3584 S 0.3 0.3 0:00.02 httpd
1 root 15 0 10368 704 592 S 0.0 0.0 0:00.96 init
lu_mysql占用CPU一直很高,导致整站的动态页打开都很慢,有时还会抛出404页。请问管理员该怎么解决呐?
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