Modern production systems are distributed, dynamic, and often unpredictable. Logs alone rarely tell the full story, and metrics without context can mislead. This is where observability steps in and tools like Elastic APM make it practical. What is Elastic APM? Elastic APM is part of the Elastic Stack, designed to provide deep visibility into your applications. It captures traces, metrics, and errors in real time, helping you understand not just what is failing, but why . Why Observability Matters in Production In production, issues are rarely isolated. A slow API might be caused by a database query, a third-party service, or even resource contention. Observability connects these dots by correlating: Traces – Follow a request across services Metrics – Monitor system health (CPU, memory, latency) Logs – Provide detailed event context Together, they enable faster debugging and better decision-making.…