O11y: Tutorial, Best Practices & Examples
Observability, or o11y, is a modern approach to monitoring systems and applications that involves inspecting a service's performance, availability, quality, and impact on other components. It has evolved from monitoring system metrics to monitoring services as technology has advanced. The three key pillars of observability are metrics, event logs, and distributed traces, which provide insights into system performance and can be analyzed using popular open-source tools.
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