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- System Design Foundations
- Core Building Blocks
- Queues and asynchronous work
Queues and asynchronous work
A queue decouples producers from consumers and absorbs bursts. The cost is that you now have to think about ordering, retries, and duplicates.
- 27m
- Intermediate

Video by Hello Interview · YouTube
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Overview
What this lesson covers
- Move slow work out of the request path
- Handle retries, dead letters, and duplicate delivery
- Reason about ordering guarantees you actually have
This lesson sits in Core Building Blocks, part of System Design Foundations. It assumes what came before it and leads directly into the next lesson in the module.
In this lesson you will:
- Move slow work out of the request path
- Handle retries, dead letters, and duplicate delivery
- Reason about ordering guarantees you actually have
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