How Amazon SQS works

This section describes the types of Amazon SQS queues and their basic properties. It also describes the identifiers of queues and messages, and various queue and message management workflows.

Topics

Basic architecture
Standard queues
FIFO queues
Queue and message identifiers
Message metadata
Resources required to process messages
List queue pagination
Cost allocation tags
Short and long polling
Dead-letter queues
Visibility timeout
Delay queues
Temporary queues
Message timers

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Confirming that a queue is empty

Basic architecture