CPU Usage way too high

[smoked1]

My server locked up last night and needed a hard reboot. I noticed today that the CPU usage was at 38% and would move to 80% sometimes. This is a new server and it only has one website on it that usually only has about 10 people on it at a time. I disabled the account and then re-enabled it and the usage dropped to 3% but if I refresh the page a few times it jumps to 30%. I just recently installed ASL but once I noticed this I disabled mod_security and mod_evasive which did not help. Below are the specs of the server. If anyone can help or knows of a company that can please let me know.

CentOS 4.x X86_64 Bit
AMD 64 Athlon 3800+ Dual Core
146GB SCSI Hard Drive
1024MB RAM
Plesk w/ Power Pack 100 Domains
Apache 2.0.52
PHP 4.3.9
Atomic Secured Linux

 

[breun]

I guess you're talking about load instead of cpu usage? Note that load is not a percentage nor does it correpond to cpu usage directly (though cpu usage is a factor taken into consideration).

Otherwise, what's wrong with 30% cpu usage? What's the use of unused cpu power?

 

[smoked1]

My concern is that none of my other server ever come close to that and they run more sites with more traffic. This server is only running one website that does not get very much traffic at all.