observability
termops culturecloud
How well you can understand what a system is doing internally from the signals it emits.
Often summarized as logs, metrics, and traces, observability is about being able to ask new questions of a running system without shipping new code, especially when something breaks in a way you did not anticipate. It is what turns a mystery outage into a diagnosable one.
Also known as: o11y, logs metrics traces, three pillars