"In many 'Tech Support' columns I cover performance and
optimization. While it's important to consider performance and
scalability in your original design plans, it's easy to focus too
much on optimization once you have a running infrastructure in
place. As Donald Knuth said, 'premature optimization is the root of
"So how do you know where to focus your optimization efforts?
Far too many people assume they know where the bottlenecks are, and
just work off their gut feelings..."