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Practical Event-Driven Microservices Architecture by Hugo Filipe Oliveira
This episode explores the crucial, but often overlooked, aspect of data integrity in event-driven microservice architectures. Ensuring data remains consistent and reliable across distributed services can feel like navigating a minefield of potential pitfalls. We'll explore how to avoid those pitfalls.
Topics Covered:
● Why Concurrency Is Tricky (and How to Prevent Disaster): The shift from monolithic applications to distributed systems demands a fresh perspective on handling concurrency. Discover why traditional approaches fall short and explore practical strategies:
○Pessimistic Concurrency: Learn how techniques like database locks and distributed consensus algorithms (e.g., using tools like ZooKeeper) can prevent conflicts before they occur.
○Optimistic Concurrency: This approach, often favored for its performance benefits, relies on detecting conflicts and applying retries or compensation strategies. Understand how versioning and conditional updates play a vital role.
●Out-of-Order Messages: Taming the Chaos: In an asynchronous world, messages don't always arrive in the order you expect. We'll examine techniques to handle these situations gracefully:
○Event Versioning: Discover how assigning versions to events can help services identify and address inconsistencies caused by out-of-order processing.
○End-to-End Partitioning: By carefully routing related events to the same partitions within a message broker, you can enforce ordering and simplify concurrency management. We'll explore the benefits and potential challenges of this approach.
●Resilience Strategies: Building fault-tolerant systems is crucial in a distributed environment. We'll examine key patterns for achieving resilience:
○Idempotency: Learn how to design services that can handle the same message multiple times without creating unintended side effects. We'll discuss common patterns and how they apply to event-driven systems.
○The Outbox Pattern: Discover how this technique ensures events are published reliably, even in the face of database or network failures. We'll walk through a practical example of implementing an outbox using a dedicated database table.
Support: https://yazdipour.com/donate
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By AiThis episode explores the crucial, but often overlooked, aspect of data integrity in event-driven microservice architectures. Ensuring data remains consistent and reliable across distributed services can feel like navigating a minefield of potential pitfalls. We'll explore how to avoid those pitfalls.
Topics Covered:
● Why Concurrency Is Tricky (and How to Prevent Disaster): The shift from monolithic applications to distributed systems demands a fresh perspective on handling concurrency. Discover why traditional approaches fall short and explore practical strategies:
○Pessimistic Concurrency: Learn how techniques like database locks and distributed consensus algorithms (e.g., using tools like ZooKeeper) can prevent conflicts before they occur.
○Optimistic Concurrency: This approach, often favored for its performance benefits, relies on detecting conflicts and applying retries or compensation strategies. Understand how versioning and conditional updates play a vital role.
●Out-of-Order Messages: Taming the Chaos: In an asynchronous world, messages don't always arrive in the order you expect. We'll examine techniques to handle these situations gracefully:
○Event Versioning: Discover how assigning versions to events can help services identify and address inconsistencies caused by out-of-order processing.
○End-to-End Partitioning: By carefully routing related events to the same partitions within a message broker, you can enforce ordering and simplify concurrency management. We'll explore the benefits and potential challenges of this approach.
●Resilience Strategies: Building fault-tolerant systems is crucial in a distributed environment. We'll examine key patterns for achieving resilience:
○Idempotency: Learn how to design services that can handle the same message multiple times without creating unintended side effects. We'll discuss common patterns and how they apply to event-driven systems.
○The Outbox Pattern: Discover how this technique ensures events are published reliably, even in the face of database or network failures. We'll walk through a practical example of implementing an outbox using a dedicated database table.
Support: https://yazdipour.com/donate