Practical Introduction to OpenTelemetry Tracing
Talkat JCON Europe 2023 · on Wednesday, 2023-06-21· at 12:00· Cinema 9, Im Mediapark 1, 50670 Köln, Germany·
summary
Argues that tracing is the most overlooked observability pillar and shows a working demo: an API6 gateway + OpenTelemetry collector sending traces to Jaeger, with a catalog service in Spring Boot/Kotlin, pricing in Python/Flask and stock in Rust/axum. Uses a Java agent for auto-instrumentation first, adds manual annotations to raise span count from ~20 to 27, demonstrates parallel requests and route/HTTP-header attributes, and recommends sampling to control performance and cost.
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chapters (8)
- 0:00Introduction to observability
- 2:04Observability three pillars
- 7:26Distributed tracing definition
- 10:36OpenTelemetry overview
- 14:11Auto instrumentation demo
- 21:13Manual instrumentation demo
- 32:42Key takeaways and resources
- 33:26Q&A session
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