The Benefits of Orchestration in Distributed Systems
summary
Demo shows two Spring Boot apps (payment and credit-card) using Hystrix circuit breaker then replaced by an embedded workflow engine (Camunda/Zeebe style) and BPMN models held in GitHub. Requests return 202 Accepted while the engine persists state, schedules timers and performs retry three times every one minute, enforces idempotency and runs compensation (sagas) when needed. Live UI and reports show thousands of process instances (≈5,000 instances in examples) and the demo’s orchestration handles retries, timeouts and refunds reliably.
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chapters (12)
- 0:00Introduction to orchestration
- 1:04Distributed systems challenges
- 3:50Demo of blocking calls issue
- 9:07Circuit breakers and timeouts
- 14:10Handling persistent state
- 17:35Workflow engines overview
- 20:44Asynchronous communication solutions
- 27:29BPMN as executable standard
- 32:09Inverting service communication
- 34:56Distributed transactions with sagas
- 38:52Compensation and undo logic
- 43:48Key takeaways and conclusion
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