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The Outbox Pattern writes the event to a database table within the same ACID transaction as the entity, which a message relay then publishes to the broker.

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Oct 25, 2026

Quiz: Why is an 'Idempotency-Key' HTTP header essential for payment and mutation endpoints in distributed systems?

An Idempotency Key allows servers to identify and replay cached outcomes for network timeouts or retries, preventing duplicate mutations.

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Oct 25, 2026

Quiz: What does 'Backpressure' mean in distributed stream processing and asynchronous microservices?

Backpressure prevents consumer memory exhaustion by throttling upstream producer throughput to match consumer processing capacity.

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Author: Dilshad Abdulla (@DilshadAb)

… backend architecture, SQL DB, APIs, cloud technologies, & modern apps. Through Teach Cloud, I shares practical knowledge, tutorials, and real-world development experience to design & crea …

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