srver load ..... >_<

This 3 days my server load is red alert, the minimum is 1 and the maximum is 20..

I check the /top and ps -auxww, i found that most is mysql and mailman problem... my server is host around 60 sites. (P3 1.4 + 512MB ram), but only few sites is active. I also foudn that somebody spam to my one clients..

I no idea how to solve it... now the server load is maintain 2. >_<
any suggestion??

/top:

root 15292 0.0 0.1 3768 828 pts/3 R 22:57 0:00 ps -auxww
root@server1 [~]# top
22:58:36 up 3 days, 20:38, 3 users, load average: 2.34, 1.90, 1.79
134 processes: 132 sleeping, 1 running, 1 zombie, 0 stopped
CPU states: cpu user nice system irq softirq iowait idle
total 30.5% 0.0% 13.6% 0.0% 0.0% 0.0% 55.7%
Mem: 512580k av, 489032k used, 23548k free, 0k shrd, 88156k buff
163248k active, 277584k inactive
Swap: 2048276k av, 60940k used, 1987336k free 221532k cached

PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
4780 mysql 15 0 24316 23M 2308 S 0.0 4.7 0:58 0 mysqld
12074 root 17 0 20596 17M 2040 S 0.0 3.4 0:01 0 spamd
27086 root 34 19 10608 9552 6408 S N 0.0 1.8 1:39 0 cpanellogd
1206 named 18 0 7816 7316 1876 S 0.7 1.4 22:12 0 named
11993 root 25 0 13148 5152 508 S 0.0 1.0 0:00 0 clamd
21467 root 16 0 4056 3912 3848 S 3.8 0.7 4:15 0 httpd
2227 root 16 0 4652 3892 2872 S 0.0 0.7 0:05 0 cppop
5114 root 16 0 4692 3036 2036 S 0.0 0.5 0:01 0 eximstats
23371 mailnull 16 0 11360 2700 2160 S 0.0 0.5 0:29 0 MailScanner
14423 nobody 16 0 2556 2552 2128 S 0.0 0.4 0:00 0 proftpd
7213 e3nity 15 0 2432 2428 2092 S 0.0 0.4 0:00 0 proftpd
1252 root 16 0 3148 2156 1724 S 0.0 0.4 0:13 0 chkservd
27021 mailman 16 0 4108 2128 1284 S 0.0 0.4 0:02 0 python2
433 nobody 16 0 2096 2092 1928 S 0.0 0.4 0:00 0 proftpd
27019 mailman 16 0 4044 2088 1272 S 0.0 0.4 0:02 0 python2
27017 mailman 16 0 4048 2080 1272 S 0.0 0.4 0:02 0 python2
27016 mailman 16 0 4024 2068 1284 S 0.0 0.4 0:02 0 python2
27020 mailman 16 0 4064 2064 1284 S 0.0 0.4 0:02 0 python2
14556 root 16 0 2036 2024 1736 S 0.2 0.3 0:00 0 sshd
27018 mailman 16 0 4044 2020 1272 S 0.0 0.3 0:02 0 python2
6769 root 15 0 2024 2008 1736 S 0.0 0.3 0:03 0 sshd
27023 mailman 16 0 4028 1952 1264 S 0.0 0.3 0:02 0 python2
14031 cpanel 16 0 1976 1904 1844 S 0.0 0.3 0:10 0 stunnel-4.04loc
14067 root 16 0 4052 1820 1500 S 0.0 0.3 0:09 0 cpsrvd
27024 mailman 16 0 4028 1660 1348 S 0.0 0.3 0:00 0 python2


vmstat:
procs memory swap io system cpu
r b swpd free buff cache si so bi bo in cs us sy wa id
1 1 60936 21396 88656 222988 1 1 46 80 77 10 21 8 0 71

 

 

 

 

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