PHP UK Conference 2013 - Juozas Kaziukenas - You Can't Optimize What You Can't Measure

This talk explores the complexities of modern applications, which are often intricate systems with many components that can complicate performance monitoring. The speaker discusses various tools available for monitoring applications in production, emphasizing their ability to detect both code-level and business-logic level issues. By examining different metrics recording and analysis tools, this session highlights their importance in ensuring applications run smoothly and that recent code commits do not negatively impact performance.