Building observable systems require understanding the concept of observability and its three pillars—metrics, logs, and traces. However, implementing a solution based solely on the three pillars is not enough. There is more to observability that goes beyond gathering data and making sense of it.
Application Performance Management (APM) tools have evolved along with the modernization of applications and IT infrastructures. From simply monitoring the availability and performance of legacy applications to having the ability to discover and analyze distributed systems, we found ourselves in dire need to understand systems and applications on a much deeper level.