Message Queues & Event Streaming

Decouple services with queues and logs, and reason precisely about ordering, delivery guarantees and failure

Learn when to put a queue or a Kafka-style log between services, how partitions bound ordering and parallelism, what exactly-once really means, and how the outbox pattern, idempotency keys and dead-letter queues keep an async pipeline correct under failure.

Practice questions (5)

• Choosing Between a Queue and a Log

  Intermediate · Free
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• Exactly-Once Payment Capture Under Redelivery

  Advanced
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• Diagnosing Lost Events and Applying the Outbox Pattern

  Intermediate
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• Sizing Partitions and Draining a Backlog

  Intermediate
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• Poison Messages, Retry Topics and DLQ on a Log

  Intermediate
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Quizzes (1)