OpenTelemetry Quick Start (signal design) - Export OTLP via an OpenTelemetry Collector (vendor-neutral endpoint). - Standardize resource attributes: , , . - Start with auto-instrumentation, then add manual spans and log correlation. Load Next (References) - — traces/metrics/logs, context propagation, sampling, semantic conventions - — Collector pipelines, processors, deployment patterns, tail sampling - — manual spans, propagation pitfalls, cardinality, debugging