I deal with a lot of servers at work, and one thing everyone wants to know about their servers is how close they are to being at max utilization. It should be easy, right? Just pull up top or another system monitor tool, look at network, memory and CPU utilization, and whichever one is the highest tells you how close you are to the limits.For example, this machine is at 50% CPU utilization, so it can probably do twice as much of whatever it's doing.And yet, whenever people actually try to projec...