Through the Looking Glass: Effective Observability for Cloud-Native Applications
Talkat JCON Europe 2023 · on Tuesday, 2023-06-20· at 16:00· Cinema 9, Im Mediapark 1, 50670 Köln, Germany·
summary
Demonstrates that standardized instrumentation is practical: OpenTelemetry is used to emit traces from two Open Liberty microservices (inventory and system) and exports to Jaeger, where traces show two inventory spans and one system span. MicroProfile Telemetry (MicroProfile 6) implements tracing only and supports automatic, manual and agent modes; the demo enables the feature in server.xml, sets MicroProfile config, adds OpenTelemetry deps and uses the @WithSpan annotation to create custom spans — everything visualizes correctly in Jaeger.
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chapters (11)
- 0:00Introduction and title explanation
- 3:44Why cloud-native needs observability
- 8:00What is observability?
- 10:10Three steps to enable observability
- 13:20Logs, metrics, and traces explained
- 23:08OpenTelemetry for standardized instrumentation
- 28:03MicroProfile Telemetry overview
- 30:34Demo setup and Open Liberty introduction
- 37:10Automatic tracing with MicroProfile
- 41:42Manual tracing with annotations
- 46:14Conclusion and resources
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