If you’ve dealt with Lambda functions you may have run across the RequestEntityTooLargeException AWS Lambda exception that occurs when a function is invoked with too large of a payload. This article looks at how to get around this error.
I’ve been working on creating AWS Cognito User Pools in CloudFormation, and thought this would be a good time to share some of what I’ve learned.
I found lots of information about dead letter queues, but no examples that demoed a redrive function to retry those failed messages. This post is meant to serve as a nice example for folks like me who want to do this on AWS and haven’t found many examples.