OpenTelemetry for Dummies: Instrumenting Go Apps
summary
Live demo shows OpenTelemetry in Go producing real traces and metrics from a simple Hello HTTP service, exporting via OTLP exporter directly to an Elastic APM backend (or via a collector), and registering a global tracer provider with a batch span processor so spans are batched and flushed. Code creates automatic and manual metrics (a periodically updated callback and a manually incremented counter), builds custom spans with context propagation, and the master/demo repo branches are provided; the demo runs and the data appears in the backend.
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chapters (16)
- 0:00Introduction
- 1:50Agenda
- 7:05GitHub Repository
- 10:05Demo
- 13:45Collector
- 14:47Demonstration
- 20:25Create Drivers
- 21:25Create Resources
- 23:25MUX Framework
- 24:41TextMap Propagator
- 25:19Tracer
- 26:11Tracers
- 26:53Build Response Trace
- 27:16Build Response Spam
- 30:11Matrix
- 30:44Metric
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