The CF Manifesto (WIP)

https://github.com/doppleware/continuous-feedback

Setting up OTEL

• via the Java OTEL Agent
• via Micrometer Tracing to get JDBC working you need to add the following dependency as well: net.ttddyy.observation:datasource-micrometer-spring-boot
• via the Quarkus Extension (Quarkus), you may need to add additional extensions to get more automatic tracing, They are listed here
• Or just use Digma! Digma will automatically use the right strategy based on your application.

Collecting observability data

• For a single source, most likely you can just configure OTEL using system properties/environment variables. You can see the options here for the Agent.
• If you want to receive/send to multiple sources, use the OTEL Collector
• If you’re using Digma, it will also function as a collector and Jaeger instance so it will collect your data automatically. You can also direct the observability data somewhere else via the Digma plugin settings.

Automatic instrumentation

• Libraries that get instrumented automatically by the OTEL agent

Manual instrumentation

• Using the @WithSpan attribute
• For Micrometer Tracing, use the Observed API and the @Observed annotation.

Processing OTEL with OSS/Free Tools

• Jaeger (show traces)
• Prometheus (collect metrics)