nginx process high load cpu

[lifeisjustabout]

Hi i have a script called mysql, when 10 people comes site at the same
time cpu load above 1.50, with apache 20-30 people no problem no more
then 2 at the same time.  i've tried to install APC via whm its been
automaticlly installed but when i restart nginx every nginx process
takes 2% or %3 for 4-5 people at the same time (good sign) the problem
is after 30 second it goes white screen automaticlly so i had to
uninstall APC i dont know what to do

[URL=http://img703.imageshack.us/i/highcpupad.png/][IMG]http://img703.imageshack.us/img703/4042/highcpupad.png[/IMG][/URL]

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,175259,175259#msg-175259