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From Tony Mobily <m...@mobily1.com>
Subject [users@httpd] Incredible amount of memory allocated by Apache?
Date Tue, 15 Feb 2011 12:38:02 GMT
Hi,

I am very confused by some output in my server. I am hoping my good
karma for running an online magazine about free software will help me
get some advice, instead of being laughed as...
Top is giving me this:
op - 04:28:17 up 48 days, 8:56, 1 user, load average: 0.38, 0.32, 0.36
Tasks: 140 total, 1 running, 139 sleeping, 0 stopped, 0 zombie
Cpu(s): 15.7%us, 4.7%sy, 0.0%ni, 79.0%id, 0.5%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 8072080k total, 7585872k used, 486208k free, 62404k buffers
Swap: 1959888k total, 1959852k used, 36k free, 1495040k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2821 mysql 15 0 481m 105m 3612 S 21.6 1.3 3282:41 mysqld
16708 apache 16 0 5570m 2.9g 3636 S 20.3 38.1 0:08.80 httpd
16941 apache 15 0 5570m 2.9g 3588 S 12.3 37.8 0:03.48 httpd
16699 apache 15 0 5570m 2.9g 3616 S 6.7 37.8 0:05.26 httpd
16843 apache 15 0 5572m 2.9g 4540 S 5.3 37.9 0:09.73 httpd
16970 apache 15 0 5570m 2.9g 3676 S 5.3 37.9 0:08.62 httpd
16701 apache 15 0 5570m 2.9g 3620 S 3.0 37.9 0:07.15 httpd
17371 apache 15 0 5570m 2.9g 3548 S 1.0 37.7 0:01.97 httpd
17577 apache 15 0 5570m 2.9g 3576 S 0.3 37.7 0:01.12 httpd 15/02/11 20:30:43

2.9g!! That's 3Gb for Apache?!?

ps' output is even scarier:

[root@centos555208 ~]# ps -ylChttpd --sort=rss
S   UID   PID  PPID  C PRI  NI   RSS    SZ WCHAN  TTY          TIME CMD
S    48  1392  2930  0  75   0 3653712 1065487 semtim ?    00:00:00 httpd
S    48  1072  2930  0  75   0 3653784 1065487 semtim ?    00:00:01 httpd
S    48  1129  2930  0  75   0 3653788 1065484 semtim ?    00:00:01 httpd
S    48   927  2930  0  75   0 3653792 1065487 -  ?        00:00:01 httpd
S    48   924  2930  0  75   0 3653812 1065484 semtim ?    00:00:02 httpd
S    48   990  2930  0  75   0 3653840 1065485 semtim ?    00:00:03 httpd
S    48   926  2930  0  75   0 3654716 1066004 semtim ?    00:00:02 httpd
S    48   925  2930  0  75   0 3654940 1066004 semtim ?    00:00:02 httpd
S    48   929  2930  0  75   0 3654948 1066001 semtim ?    00:00:04 httpd
S    48  1210  2930  0  75   0 3659136 1065484 semtim ?    00:00:01 httpd
S    48  1127  2930  0  75   0 3659232 1065487 semtim ?    00:00:01 httpd
S    48   930  2930  0  75   0 3659616 1065487 semtim ?    00:00:03 httpd
S    48   933  2930  0  75   0 3659616 1065484 semtim ?    00:00:03 httpd
S    48   965  2930  0  75   0 3660488 1066004 semtim ?    00:00:03 httpd
S     0  2930     1  0  78   0 3662976 1065484 stext ?     01:53:07 httpd
S    48   949  2930  0  75   0 3669976 1065487 semtim ?    00:00:02 httpd
S    48   934  2930  0  75   0 3671048 1065484 -  ?        00:00:02 httpd
S    48   961  2930  0  75   0 3672244 1066001 semtim ?    00:00:03 httpd

Is something going _very_ wrong with my server?
Any hints?

Thanks,

Merc.

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