Not only on .nz ... this happens on the main site google.com too. Displaying the message "Server Error : Internal server error..." after spending a long time fo

Not only on .nz ... this happens on the main site google.com too. Displaying the message "Server Error : Internal server error..." after spending a long time for the page to download. That indicates every search we are making might be triggering a high CPU load somewhere before displaying the message.