Profiling is one of the important parts of Scaling as well. The Military uses the OODA (Observe-Orient-Decide-Act) loop. I think this is the right approach fo

Profiling is one of the important parts of Scaling as well. The Military uses the OODA (Observe-Orient-Decide-Act) loop. I think this is the right approach for performance issues (both latency and scalability.) Profiling, monitoring, load analysis and systems analysis all play a part in the "Observe" step. The other reason to profile is that it gives you a baseline for comparison so you know if you are making improvements.