A complete Spring Boot 4 OpenTelemetry guide covering metrics, traces, and logs. Understand native observability features, OTLP support, and how to monitor microservices with detailed tracing and instrumentation.

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Spring Boot 4 introduces native OpenTelemetry support through a single starter dependency, simplifying observability implementation. The guide covers configuring metrics, traces, and logs using the OTLP protocol, including step-by-step setup with Micrometer integration, Logback appender configuration, and Docker Compose testing with Grafana. This eliminates the need for multiple dependencies and Java agents required in Spring Boot 3, while providing seamless integration with GraalVM and AOT compilation.

OpenTelemetry Guide