Learn distributed tracing from first principles to production

Instrument Go services with OpenTelemetry. Trace goroutines, gRPC boundaries, and middleware chains in production.

Add distributed tracing to Express, Fastify, and NestJS apps. Handle async/await context propagation and trace continuity.

Trace Django, Flask, and FastAPI services end-to-end. Instrument Celery tasks and detect ORM N+1 queries with traces.

Instrument Spring Boot microservices with the OpenTelemetry Java agent. Trace Kafka consumers, JPA queries, and reactive pipelines.

Add tracing to ASP.NET Core apps. Instrument Entity Framework, background services, and the middleware pipeline.

Trace PHP applications with OpenTelemetry. Instrument request lifecycles, database queries, and external HTTP calls.

Add distributed tracing to Rails and Sinatra apps. Trace ActiveRecord queries, Sidekiq jobs, and view rendering.

Instrument Laravel queue jobs, Eloquent queries, and event/listener chains with distributed tracing.

Design patterns for tracing across microservice architectures. Service mesh integration, header propagation, and dependency mapping.

Trace messages across Kafka, RabbitMQ, and SQS. Maintain context through async boundaries and event-driven flows.

Instrument AWS Lambda, Azure Functions, and Google Cloud Functions. Handle cold starts and trace across function invocations.

How W3C Trace Context and B3 headers work under the hood. Cross-process propagation, baggage, and custom context fields.

Head-based vs tail-based sampling, adaptive sampling, and rate limiting. Choose the right sampling strategy for your traffic.

Diagnose broken traces, missing spans, and context loss. Practical troubleshooting workflows for production tracing issues.