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intermediate
Monitoring

Monitoring & Observability

Learn monitoring fundamentals including metrics, logs, traces, Prometheus, Grafana, alerting strategies, and SLIs/SLOs/SLAs.

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Fundamentals
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Question

What is Observability?

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Answer

Observability is the ability to understand a system's internal state from its external outputs. Built on three pillars: metrics (what is happening), logs (why it's happening), traces (where it's happening). Enables debugging complex distributed systems.

observability
basics
pillars