The best overall method of performance optimization is optimization for response time. Users care about response time, not load average or cache hit ratios. The job of a system is to accept some request and do the required work, and deliver a result. The time elapsed between the request and the result is the response time.
Methods of Response Time Optimization
Not all optimization methods are created equal. Here are a few I see commonly.
- No method. Most people simply have no method of performance optimization at all. They just look for things that look “bad” and try to make …