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Thread: Server Load High
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05-09-2007, 01:31 AM #1Disabled
- Join Date
- Jan 2007
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- 78
Server Load High
server load is too high, can you suggest why too many process of qmail-smtpd even i stopped qmail and there is no more 25 emails in queue.
top - 22:26:03 up 8 days, 5:56, 0 users, load average: 150.96, 150.27, 142.68
Tasks: 183 total, 150 running, 33 sleeping, 0 stopped, 0 zombie
Cpu(s): 99.0% us, 1.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 4167500k total, 146416k used, 4021084k free, 0k buffers
Swap: 0k total, 0k used, 0k free, 0k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
20168 qmaild 25 0 3468 1432 1168 R 3.3 0.0 2:55.27 qmail-smtpd
20208 qmaild 25 0 3468 1432 1168 R 3.3 0.0 2:43.98 qmail-smtpd
20320 qmaild 25 0 3468 1432 1168 R 3.3 0.0 2:38.56 qmail-smtpd
20425 qmaild 25 0 3468 1432 1168 R 3.3 0.0 2:31.09 qmail-smtpd
20444 qmaild 25 0 3468 1432 1168 R 3.3 0.0 2:27.97 qmail-smtpd
5413 qmaild 25 0 3468 1432 1168 R 3.3 0.0 1:00.38 qmail-smtpd
5705 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:57.91 qmail-smtpd
5763 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:57.40 qmail-smtpd
5806 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:56.99 qmail-smtpd
5999 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:55.98 qmail-smtpd
7318 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:53.39 qmail-smtpd
7639 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:51.43 qmail-smtpd
7866 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:50.29 qmail-smtpd
7980 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:49.59 qmail-smtpd
8023 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:49.29 qmail-smtpd
8101 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:48.48 qmail-smtpd
9253 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:47.40 qmail-smtpd
9355 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:46.78 qmail-smtpd
9386 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:46.48 qmail-smtpd
9525 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:45.84 qmail-smtpd
9611 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:45.81 qmail-smtpd
9854 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:44.89 qmail-smtpd
9974 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:44.08 qmail-smtpd
11272 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:42.29 qmail-smtpd
11331 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:42.09 qmail-smtpd
11482 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:41.69 qmail-smtpd
11652 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:40.99 qmail-smtpd
12040 qmaild 25 0 3468 1432 1168 R 3.3 0.0 0:39.41 qmail-smtpd
3530 qmaild 25 0 3468 1432 1168 R 3.0 0.0 1:08.48 qmail-smtpd
12246 qmaild 25 0 3468 1432 1168 R 2.0 0.0 0:38.79 qmail-smtpd
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05-09-2007, 02:05 AM #2Web Hosting Master
- Join Date
- Mar 2002
- Location
- St. Louis, MO
- Posts
- 1,379
tail -f the logs and watch it ti see what its actually doing
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05-09-2007, 02:05 AM #3Web Hosting Master
- Join Date
- Apr 2003
- Location
- Los Angeles, CA
- Posts
- 820
qmail-smtpd is the SMTP receive daemon. You are being flooded with too many incoming connections. If you are using tcpserver from daemontools, there is a command line option -c to limit concurrent connections. Set it to 50 or so (depending on your resources) and restart it.
Pings <1 ms, Unlimited Transfer, Lowest Price: http://localhost/
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05-09-2007, 02:19 AM #4Disabled
- Join Date
- Oct 2005
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- 515
Check to see who is using the most CPU usage:
Code:ps auxc | awk '{print $3" "$1" "$11" pid:: "$2}' | sort -rn | head -n 5
Code:ps auxc | sort -n --key=5 | tail -n 7 | awk '{print $4" "$5" "$11}'
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05-09-2007, 02:22 AM #5Web Hosting Master
- Join Date
- Apr 2004
- Location
- Singapore
- Posts
- 620
Look like qmail-smtpd is causing the problem. Limit the usage of incoming smtp connection.