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SQS Visibility Timeout

SQS - Visibility TimeoutΒΆ

  • When a consumer polls a message from a queue, the message is "invisible"'to other consumers for a defined period. The Visibility Timeout.
  • You can set between 0 seconds and 12 hours (default to 30 seconds).
    • If you set too high (15 minutes) and consumer fails to process the message, you must wait a long time before processing the message again.
    • If you set too low (30 seconds) and consumer needs time to process the message (2 minutes), another consumer will receive the message will be processed more than once.
  • ChangeMessageVisibility API to change the visibility while processing a message.
  • DeleteMessage API to tell SQS the message was successfully processed.