Here is the info from the commands you guys listed. My biggest site is a heavy mysql site based on a fairly large phpbb forum.
Plesk version: psa v8.1.1_build81070423.15 os_FedoraCore 6
Operating system: Linux 2.6.9-023stab043.1-smp
top -c
top - 09:30:56 up 3 days, 14:04, 1 user, load average: 0.12, 0.28, 0.25
Tasks: 67 total, 2 running, 65 sleeping, 0 stopped, 0 zombie
Cpu(s): 2.9% us, 5.8% sy, 0.0% ni, 91.3% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 1048576k total, 311388k used, 737188k free, 0k buffers
Swap: 0k total, 0k used, 0k free, 0k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
24385 mysql 25 0 230m 37m 5516 R 32 3.7 0:00.97 /usr/libexec/mysqld
23955 apache 16 0 328m 22m 3608 S 1 2.2 0:01.70 /usr/sbin/httpd
22238 apache 15 0 332m 27m 3728 S 0 2.7 0:04.64 /usr/sbin/httpd
23879 root 16 0 12500 1188 904 R 0 0.1 0:00.36 top -c
23948 apache 15 0 329m 23m 3572 S 0 2.3 0:01.64 /usr/sbin/httpd
24234 apache 15 0 328m 22m 3588 S 0 2.2 0:00.57 /usr/sbin/httpd
1 root 16 0 10228 712 596 S 0 0.1 0:00.49 init [3]
30658 root 15 0 5796 600 484 S 0 0.1 0:03.45 syslogd -m 0
30711 root 16 0 44216 1068 628 S 0 0.1 0:05.30 /usr/sbin/sshd
31746 root 15 0 21508 912 704 S 0 0.1 0:00.33 xinetd -stayalive -
32069 root 16 0 97300 40m 2260 S 0 3.9 0:03.38 /usr/bin/spamd --us
32070 popuser 16 0 97300 38m 900 S 0 3.8 0:00.34 spamd child
32112 root 16 0 112m 6076 3440 S 0 0.6 0:00.08 /usr/local/psa/admi
32116 psaadm 16 0 130m 38m 21m S 0 3.8 1:38.52 /usr/local/psa/admi
32139 psaadm 16 0 135m 45m 23m S 0 4.4 1:43.76 /usr/local/psa/admi
32166 root 15 0 19636 1124 556 S 0 0.1 0:00.53 crond
32177 root 18 0 39928 780 420 S 0 0.1 0:00.00 /usr/sbin/saslauthd
ps aux
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 10228 712 ? Ss Apr28 0:00 init [3]
root 30658 0.0 0.0 5796 600 ? Ss Apr28 0:03 syslogd -m 0
root 30711 0.0 0.1 44216 1068 ? Ss Apr28 0:05 /usr/sbin/sshd
root 31746 0.0 0.0 21508 912 ? Ss Apr28 0:00 xinetd -stayali
root 32069 0.0 3.9 97300 41180 ? Ss Apr28 0:03 /usr/bin/spamd
popuser 32070 0.0 3.7 97300 39820 ? S Apr28 0:00 spamd child
root 32112 0.0 0.5 114768 6076 ? Ss Apr28 0:00 /usr/local/psa/
psaadm 32116 0.0 3.7 133192 39408 ? S Apr28 1:38 /usr/local/psa/
psaadm 32139 0.0 4.4 138460 46636 ? S Apr28 1:43 /usr/local/psa/
root 32166 0.0 0.1 19636 1124 ? Ss Apr28 0:00 crond
root 32177 0.0 0.0 39928 780 ? Ss Apr28 0:00 /usr/sbin/sasla
root 32178 0.0 0.0 39928 520 ? S Apr28 0:00 /usr/sbin/sasla
mailman 32203 0.0 0.7 87684 7904 ? Ss Apr28 0:00 /usr/bin/python
mailman 32211 0.0 0.9 89832 10256 ? S Apr28 0:04 /usr/bin/python
mailman 32212 0.0 0.9 89908 10292 ? S Apr28 0:04 /usr/bin/python
mailman 32214 0.0 0.9 89928 10268 ? S Apr28 0:04 /usr/bin/python
mailman 32215 0.0 0.9 89852 10256 ? S Apr28 0:04 /usr/bin/python
mailman 32216 0.0 0.9 89940 10296 ? S Apr28 0:04 /usr/bin/python
mailman 32217 0.0 0.9 89900 10368 ? S Apr28 0:04 /usr/bin/python
mailman 32218 0.0 0.9 89804 10256 ? S Apr28 0:03 /usr/bin/python
mailman 32219 0.0 0.9 89804 10252 ? S Apr28 0:00 /usr/bin/python
psaadm 32523 0.0 3.5 132940 37592 ? S Apr28 2:26 /usr/local/psa/
drweb 1809 0.0 1.2 17676 12820 ? Ss Apr28 0:02 /opt/drweb/drwe
root 2044 0.0 0.7 57400 8304 ? Ss Apr28 0:02 /usr/local/psa/
root 3075 0.0 0.2 122044 2852 ? Ssl Apr28 0:34 /usr/local/psa/
named 5569 0.0 0.4 164296 4500 ? Ssl Apr30 0:02 /usr/sbin/named
root 5764 0.0 0.0 34152 880 ? S Apr30 0:00 /usr/lib/courie
root 5766 0.0 0.1 26844 1292 ? S Apr30 0:00 /usr/sbin/couri
root 5775 0.0 0.0 34152 880 ? S Apr30 0:00 /usr/lib/courie
root 5777 0.0 0.1 26844 1292 ? S Apr30 0:00 /usr/sbin/couri
root 5783 0.0 0.0 34152 880 ? S Apr30 0:01 /usr/lib/courie
root 5785 0.0 0.1 26840 1288 ? S Apr30 0:00 /usr/sbin/couri
root 5792 0.0 0.0 34152 880 ? S Apr30 0:00 /usr/lib/courie
root 5794 0.0 0.1 26840 1288 ? S Apr30 0:00 /usr/sbin/couri
qmails 1401 0.0 0.0 3732 520 ? S May01 0:00 qmail-send
qmaill 1403 0.0 0.0 3676 508 ? S May01 0:00 splogger qmail
root 1404 0.0 0.0 3716 428 ? S May01 0:00 qmail-lspawn ./
qmailr 1405 0.0 0.0 3716 444 ? S May01 0:00 qmail-rspawn
qmailq 1406 0.0 0.0 3672 396 ? S May01 0:00 qmail-clean
root 1567 0.0 2.0 329420 21088 ? Ss May01 0:01 /usr/sbin/httpd
apache 1571 0.0 0.6 232300 7312 ? S May01 0:00 /usr/sbin/httpd
root 1662 0.0 0.1 10636 1228 ? S May01 0:00 /bin/sh /usr/bi
mysql 1698 3.8 3.6 236408 38700 ? Sl May01 22:45 /usr/libexec/my
apache 22238 1.3 2.6 340844 27812 ? S 09:25 0:05 /usr/sbin/httpd
root 22385 0.0 0.3 80268 3744 ? Ss 09:25 0:00 sshd: root@pts/
root 22464 0.0 0.1 10788 1540 pts/0 Ss 09:26 0:00 -bash
apache 23948 0.8 2.2 336964 23800 ? S 09:28 0:02 /usr/sbin/httpd
apache 23954 0.8 2.2 336296 23260 ? S 09:28 0:02 /usr/sbin/httpd
apache 23955 1.0 2.2 336480 23364 ? S 09:28 0:02 /usr/sbin/httpd
apache 24234 1.0 2.2 336544 23336 ? S 09:30 0:01 /usr/sbin/httpd
root 25622 0.0 0.0 10348 868 pts/0 R+ 09:32 0:00 ps aux
free -m
total used free shared buffers cached
Mem: 1024 304 719 0 0 0
-/+ buffers/cache: 304 719
Swap: 0 0 0
df -h
Filesystem Size Used Avail Use% Mounted on
/dev/vzfs 25G 2.1G 23G 9% /
vmstat
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b swpd free buff cache si so bi bo in cs us sy id wa st
0 0 0 738276 0 0 0 0 0 0 0 10 2 1 97 0 0
Is there anything else that might help see why server is having issue and why it says 100% in system resource use.