OpenTelemetry (OTel) is an open-source observability framework that provides a unified approach to collecting, processing, and exporting telemetry data. It addresses the three pillars of observability:
Traces: Track requests as they flow through distributed systems, showing the path and timing of operations
Metrics: Numerical measurements collected over time intervals (counters, gauges, histograms)
Logs: Discrete event records with timestamps and contextual information
OpenTelemetry provides APIs, SDKs, and tools to instrument applications and infrastructure, making it easier to understand system behavior and performance.
Rewriting in plainer words…
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