OpenTelemetry: The Open-Source Observability Framework
OpenTelemetry providing standard APIs, SDKs, and tools to instrument, collect, and export metrics, traces, and logs for any system or language.
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Observability is the practice of measuring a system's internal states by analyzing its external outputs—specifically metrics, logs, and traces—to explain why and how issues occur.
What is Observability?
Observability helps you understand a system externally by asking questions without knowing its internals.
It simplifies troubleshooting novel issues ( "unknown uknowns" ) ans answers "Why is this happening?"
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What is Instrumentation in DevOps world for Observability purpose?
Instrumentation: Process of adding code or tooling that generates telemetry to observe application behavior.
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