Through the looking glass: Effective observability for cloud native applications
summary
Shows a concrete setup: two Java microservices (inventory and system) running on Open Liberty, instrumented with MicroProfile Telemetry adopting OpenTelemetry, exporting to a local Jaeger backend via the collector. Demo proves automatic instrumentation yields a single span while manual annotations produce five spans (four in inventory, one in system). Configuration detail: otel SDK disabled must be false; build and run use Maven Liberty run and Jaeger all‑in‑one, and traces appear in Jaeger UI.
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chapters (11)
- 0:00Introduction
- 3:53Cloud native needs observability
- 7:20Defining observability
- 13:57Three steps to implement
- 16:22Three pillars of observability
- 27:30OpenTelemetry standardizes instrumentation
- 35:21Demo: Open Liberty and Jaeger
- 41:21Automatic instrumentation walkthrough
- 45:13Manual instrumentation with annotations
- 50:09Observability critical for cloud success
- 53:18Q&A
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