Lighttpd high load!

[pr0team.net]

Hello,

I have 300 online and load - 14 :|
Dual xeon 2.6 2 gb ram


last pid: 29219; load averages: 13.41, 11.61, 8.66 up 1+23:23:10 16:56:58
78 processes: 2 running, 76 sleeping
CPU states: 91.0% user, 0.0% nice, 7.1% system, 1.9% interrupt, 0.0% idle
Mem: 383M Active, 1245M Inact, 206M Wired, 92M Cache, 112M Buf, 75M Free
Swap: 4069M Total, 28K Used, 4069M Free

PID USERNAME THR PRI NICE SIZE RES STATE TIME CPU COMMAND
29199 www 1 4 0 24500K 16356K accept 0:08 4.25% php-cgi
29197 www 1 4 0 24880K 16728K accept 0:08 4.05% php-cgi
29180 www 1 4 0 24604K 16456K accept 0:07 4.05% php-cgi
29185 www 1 4 0 24540K 16396K accept 0:08 4.00% php-cgi
29195 www 1 4 0 24580K 16440K accept 0:08 3.96% php-cgi
29200 www 1 4 0 27176K 19036K accept 0:08 3.86% php-cgi
29184 www 1 4 0 24424K 16280K accept 0:07 3.86% php-cgi
29191 www 1 4 0 25400K 17256K accept 0:07 3.81% php-cgi
29181 www 1 4 0 23948K 15804K accept 0:08 3.76% php-cgi
29194 www 1 4 0 24068K 15916K accept 0:07 3.76% php-cgi
29182 www 1 4 0 23996K 15848K accept 0:07 3.71% php-cgi
29189 www 1 4 0 28632K 20492K accept 0:07 3.66% php-cgi
29192 www 1 4 0 24324K 16180K accept 0:07 3.47% php-cgi
29198 www 1 4 0 24848K 16704K accept 0:07 3.37% php-cgi
29187 www 1 4 0 24880K 16740K accept 0:07 3.37% php-cgi
29186 www 1 118 0 24344K 16032K RUN 0:07 3.32% php-cgi
29188 www 1 4 0 27180K 19040K accept 0:07 3.03% php-cgi


How to resolve it ? :/
EDIT : Actually 700 online and load above 50.00 :( [lighttpd]

Please help me !