Observability
Observability debuted in the industrial field: first, people used sensor devices to measure volumetric flow rate and substances of liquid mixtures. Then, the data was transmitted to a visual dashboard that provides operators with monitoring data, which greatly improved work efficiency.
In recent years, observability has been widespread in information technology and software systems. In particular, new IT concepts such as Cloud native, DevOps, and Intelligent ops accelerated the popularity of observability in IT. Instead of observability, in the past, people often used the concept of monitoring.
In particular, ops management often stresses the importance of a monitoring system. So, what is the difference between a monitoring system and observability? In simple terms, monitoring is a subset of observability. Monitoring highlights that the internal system is not known by the observer (that is, it only focuses on the black box), while observability emphasizes the...