shameerc/gist:512626

## gistfile1.txt
$load = sys_getloadavg();
if ($load[0] > 80) {
    header('HTTP/1.1 503 Too busy, try again later');
    die('Server too busy. Please try again later.');
}

/*
This is a function which returns three samples of the “load” on a system. Load is the number of processes in the system run queue. The 3 items in the array are the average load for the past 1, 5 and 15 minutes. The PHP Manual shows a great usage of this:
*/
	$load = sys_getloadavg();
	if ($load[0] > 80) {
	header('HTTP/1.1 503 Too busy, try again later');
	die('Server too busy. Please try again later.');
	}

	/*
	This is a function which returns three samples of the “load” on a system. Load is the number of processes in the system run queue. The 3 items in the array are the average load for the past 1, 5 and 15 minutes. The PHP Manual shows a great usage of this:
	*/