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单位的WEB服务器突然之间反应很慢,TOP结果如下:
top - 10:42:13 up 19:56, 1 user, load average: 172.70, 138.42, 66.08
Tasks: 808 total, 3 running, 804 sleeping, 0 stopped, 1 zombie
Cpu(s): 93.8% us, 6.2% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 2074664k total, 1989764k used, 84900k free, 3072k buffers
Swap: 2048248k total, 234720k used, 1813528k free, 323072k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3357 mysql 16 0 929m 604m 2764 S 393 29.9 1234:02 mysqld
28703 root 16 0 4324 1352 728 R 2 0.1 0:04.58 top
27194 apache 16 0 0 0 0 Z 1 0.0 0:00.22 httpd <defunct>
27932 apache 16 0 31276 9.9m 3904 S 1 0.5 0:00.05 httpd
26898 apache 16 0 31428 10m 4064 S 0 0.5 0:00.30 httpd
27278 apache 16 0 31240 9.9m 4056 S 0 0.5 0:00.11 httpd
27587 apache 17 0 31468 10m 4032 S 0 0.5 0:00.10 httpd
28065 apache 16 0 31340 10m 4032 S 0 0.5 0:00.04 httpd
28309 apache 15 0 30596 8236 2900 S 0 0.4 0:00.12 httpd
28377 apache 15 0 31332 10m 4036 S 0 0.5 0:00.04 httpd
28460 apache 16 0 31332 10m 4036 S 0 0.5 0:00.04 httpd
28497 apache 17 0 31412 10m 4036 R 0 0.5 0:00.03 httpd
28511 apache 17 0 31332 10m 4036 S 0 0.5 0:01.07 httpd
28515 apache 15 0 30596 8364 2904 S 0 0.4 0:00.19 httpd
28562 apache 16 0 31332 10m 4044 S 0 0.5 0:00.04 httpd
28801 apache 16 0 31332 9m 4028 S 0 0.5 0:00.04 httpd
1 root 16 0 1972 552 472 S 0 0.0 0:01.21 init
以前都是零点几的,现在这么高,请问是什么原因?
系统配置:Xeon 3G,2G RAM,RHEL 4,SWAP 2G
[ 本帖最后由 微型计算机 于 2008-4-10 10:51 编辑 ] |
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