AWS - SNS and SQS
You set the VisibilityTimeout of an SQS queue to 30 seconds. A message is received and not deleted. What happens after 30 seconds?
You set the VisibilityTimeout of an SQS queue to 30 seconds. A message is received and not deleted. What happens after 30 seconds?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Understand VisibilityTimeout effect
VisibilityTimeout hides a message from other consumers for the set time after being received.Step 2: What happens if message is not deleted after timeout?
If not deleted, after 30 seconds the message becomes visible again for processing by others.Final Answer:
The message becomes visible again and can be received again -> Option BQuick Check:
VisibilityTimeout expiry = message visible again [OK]
Quick Trick: VisibilityTimeout hides message temporarily, then shows it again [OK]
Common Mistakes:
MISTAKES- Thinking message deletes automatically after timeout
- Confusing dead-letter queue behavior
- Assuming queue stops working
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