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Redhat9.0下安装qmail+igenus实录
请教各位,现有的apache运行在redhat9.0上,apache,php,mysql用的是光盘上自带的。根据bluelotus先生的文档http://chinaunix.net/forum/viewtopic.php?t=93861&highlight=qmail
安装qmail,igenus,根据文档要求更改httpd.conf如下:
3.修改httpd.conf
#vi /etc/httpd/conf/httpd.conf
Group Apache
User Apache
修改为:
Group vchkpw
User vpopmail
现在发现apache运行时消耗极大的内存,用top查看,发现以vpopmail用户运行的httpd消耗了大量的内存如下:
01:39:46 up 1 day, 1:12, 1 user, load average: 0.47, 0.59, 0.65
85 processes: 82 sleeping, 3 running, 0 zombie, 0 stopped
CPU0 states: 0.5% user 0.1% system 0.0% nice 0.0% iowait 98.4% idle
CPU1 states: 0.0% user 0.2% system 0.0% nice 0.0% iowait 99.3% idle
Mem: 1030284k av, 892672k used, 137612k free, 0k shrd, 108300k buff
668768k actv, 52260k in_d, 18912k in_c
Swap: 1020024k av, 7360k used, 1012664k free 550744k cached
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
32209 vpopmail 15 0 33144 31M 5304 S 0.0 3.1 0:03 1 httpd
32522 vpopmail 15 0 25224 23M 5112 S 0.0 2.3 0:15 0 httpd
5484 vpopmail 15 0 25132 23M 5128 S 0.0 2.3 0:03 0 httpd
32759 vpopmail 15 0 12320 10M 5020 S 0.0 1.0 0:04 1 httpd
32758 vpopmail 15 0 11364 9.9M 5136 S 0.0 0.9 0:09 0 httpd
32521 vpopmail 15 0 11124 9912 5012 S 0.0 0.9 0:05 0 httpd
32524 vpopmail 15 0 10476 9408 5272 S 0.0 0.9 0:00 0 httpd
32528 vpopmail 15 0 9976 8956 5260 S 0.0 0.8 0:00 1 httpd
8386 vpopmail 15 0 9848 8716 5340 S 0.0 0.8 0:04 0 httpd
32526 vpopmail 15 0 9508 8496 5284 S 0.0 0.8 0:00 0 httpd
5487 vpopmail 15 0 9384 8372 5264 S 0.0 0.8 0:09 0 httpd
5486 vpopmail 15 0 9392 8352 5284 S 0.0 0.8 0:07 0 httpd
32527 vpopmail 15 0 9336 8272 5160 S 0.0 0.8 0:12 0 httpd
32747 vpopmail 15 0 9328 8212 5192 S 0.0 0.7 0:07 0 httpd
32208 vpopmail 15 0 9240 8200 5264 S 0.0 0.7 0:00 1 httpd
32523 vpopmail 15 0 9180 7956 4996 S 0.0 0.7 0:05 1 httpd
32525 vpopmail 15 0 9168 7916 5060 S 0.0 0.7 0:10 1 httpd
32204 vpopmail 15 0 8132 7108 5248 S 0.0 0.6 0:00 0 httpd
32517 root 15 0 6072 4112 3584 S 0.0 0.3 0:00 1 httpd
而此时用netstat 发现无人使用http服务。重新启动httpd服务,内存少用了近300M-400M,想请问各位这是什么原因? |
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