Amazon SQS

CHOOSE IT WHEN

What job does it solve?

One logical job should be buffered and processed by one consumer from a worker pool.

DO NOT CONFUSE IT WITH

Where does it stop?

Every subscriber needs its own copy; fan out with SNS to separate queues instead.

COMPARE NEXT

Closely related services

• Amazon SNSA publish-and-subscribe service that pushes each published message from a topic to every matching subscription.
• Amazon EventBridgeAn event bus and routing service that matches events against rules and sends them to targets.
• AWS LambdaRuns event-driven function code on managed infrastructure and scales executions within configured limits.

IN THIS COURSE

Lessons that mention it

• Lesson 02Scale the work without losing the state
• Lesson 13Match each workload to the right AWS service
• Lesson 17Scale workers without overwhelming the database
• Lesson 19Send each message to the right consumers
• Lesson 20Retry work without charging twice
• Lesson 29Make a legacy workload safer without breaking it
• Lesson 32Ingestion frequency, streaming, transfer, and secure entry
• Lesson 46Throttling, quotas, and cost-safe demand shaping

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