Answer
Observability is the ability to understand a system’s internal state from external signals. It includes logging, metrics, and distributed tracing to diagnose issues in distributed systems.
Quick Answer
Observability means you can understand what's happening inside the system from external signals. Three pillars: Logs (what happened), Metrics (how much/how fast), Traces (which path did the request take). With proper observability you can debug production issues, understand performance bottlenecks, and know when things are about to break.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ