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I have a lambda function subscribed to an SNS topic. I wonder, what will happen when that lambda function is throttled?

Will SNS ensure that the message is delivered later? Will the message got dropped on the floor after x retries?

Many thanks

1

In short, delivery will be re-tired three times, after which your message will be sent to the DLQ for your Lambda (if you have one).

You can read up about this in the lambda throttling documentation and event sources documentation.

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