[webizen]

Originally Posted by myserver24

i attached my admin console snapshot and the total request of a domain increase suddenly and also my load increase, too.

link of image:
http://www.mediafire.com/?yoel674s2nylqyy

From you admin cp screenshot, your bottleneck seems to be slow php (likely database needs tuning). opcode cache (such as xcache) will also help alleviate the situation.