Ruchit SutharNov 18, 2025
Performance Optimization for Pragmatic Engineers: When to Tune, When to Ship, and How to Decide
Spent 5 days optimizing a function that runs once a day. Performance work without measurement is a hobby. Learn to measure first (profiling, APM), triage framework (frequency × impact × cost), high-leverage fixes (N+1, caching, indexes), and when optimization is overkill.
performance-optimizationprofilingbackend-performance