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Old 06-01-2005   #1 (permalink)
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Join Date: Jun 2005
Posts: 1
How to identify what httdd processes/programs are leaking system resources
Hi: My Linux server is overloaded by some httpd threads which are taking a lot of CPU. I have tried to identify what are the programs running behind these processes with top -c and ps auxwww, but I cannot find the way. Here is the top screen:

Code:
 7:52am  up 2 days, 17:41,  1 user,  load average: 13.72, 13.91, 14.60
136 processes: 120 sleeping, 16 running, 0 zombie, 0 stopped
CPU states: 96.6% user,  3.3% system,  0.0% nice,  0.0% idle
Mem:   117088K av,  113900K used,    3188K free,       0K shrd,    1456K buff
Swap:  779112K av,   82972K used,  696140K free                   35312K cached

  PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME COMMAND
 9241 nobody    17   0  5168 1736  1732 R     7.1  1.4   3:54 /usr/sbin/httpd
10078 nobody    16   0  3296  228   224 R     6.9  0.1  1040m /usr/sbin/httpd
 2633 nobody    16   0  3264  244   240 R     6.9  0.2 183:08 /usr/sbin/httpd
 4016 nobody    17   0  3076  244   240 R     6.9  0.2 181:38 /usr/sbin/httpd
32618 nobody    16   0  2988  260   256 R     6.9  0.2 159:39 /usr/sbin/httpd
 1522 nobody    16   0  3136  284   276 R     6.9  0.2 159:31 /usr/sbin/httpd
23068 nobody    16   0  3556  452   448 R     6.9  0.3  15:46 /usr/sbin/httpd
23316 nobody    17   0  3200  420   416 R     6.9  0.3  15:44 /usr/sbin/httpd
23639 nobody    17   0  2832  576   572 R     6.9  0.4  15:39 /usr/sbin/httpd
23861 nobody    17   0  3256  588   584 R     6.9  0.5  15:57 /usr/sbin/httpd
 7802 nobody    17   0  3928  776   772 R     6.9  0.6   3:55 /usr/sbin/httpd
 8570 nobody    16   0  3476  608   604 R     6.9  0.5   3:49 /usr/sbin/httpd
 8604 nobody    17   0  3568  708   704 R     6.9  0.6   4:15 /usr/sbin/httpd
16054 ac7913     9   0  1928 1924  1452 S     1.9  1.6   0:00 ipop3d
15187 nobody    10   0  4672 4380  1944 S     1.7  3.7   0:00 /usr/sbin/httpd
15173 nobody    13   0  5060 4828  2004 S     1.5  4.1   0:00 /usr/sbin/httpd
15559 nobody     9   0  4280 3980  1932 S     0.9  3.3   0:00 /usr/sbin/httpd
12739 root      10   0   948  904   680 R     0.3  0.7   0:09 top
15512 nobody     9   0  4612 4332  1956 S     0.1  3.6   0:00 /usr/sbin/httpd
15536 nobody     9   0  4648 4376  1960 S     0.1  3.7   0:00 /usr/sbin/httpd
15538 nobody     8   0  4564 4280  1892 S     0.1  3.6   0:00 /usr/sbin/httpd
    1 root       8   0   328  284   260 S     0.0  0.2   0:08 init [3]
    2 root       9   0     0    0     0 SW    0.0  0.0   0:00 keventd
    3 root      19  19     0    0     0 SWN   0.0  0.0   0:02 ksoftirqd_CPU0
    4 root       9   0     0    0     0 SW    0.0  0.0   0:50 kswapd
    5 root       9   0     0    0     0 SW    0.0  0.0   0:00 bdflush
    6 root       9   0     0    0     0 SW    0.0  0.0   0:18 kupdated
   10 root      -1 -20     0    0     0 SW<   0.0  0.0   0:00 mdrecoveryd
   11 root       9   0     0    0     0 SW    0.0  0.0   0:42 kjournald
  127 root       9   0     0    0     0 SW    0.0  0.0   0:00 kjournald
  128 root       9   0     0    0     0 SW    0.0  0.0   0:48 kjournald
I cannot kill the processes with INT, nor they die restarting httpd. The only way to recover the server is to reload.

How can I identify the program running out of control?

Thanks in advance.
raulmontero is offline  


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