Time to get your hands dirty. In this module, we go from theory to Implementation.

We will build a sample microservices system and instrument it using best practices. You’ll move beyond simple hello-worlds and see how OpenTelemetry works in a realistic Java environment.

You will implement:

• Zero-code Auto-instrumentation with the Java Agent.
• Custom Spans to capture business-critical logic.
• Advanced Metrics to monitor performance in real-time.
• Log Correlation to connect your logs directly to traces.

Module Chapters

Chapter 1

Custom Instrumentation

Adding manual spans and attributes.

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Chapter 2

Testing & Verification

Unit testing your tracing instrumentation.

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Chapter 3

Metrics

Counters, Gauges, and Histograms in practice.

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Chapter 4

Logs

Correlating Logs with Traces effectively.

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