How do I prevent duplicate Lambda function invocations?
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My AWS Lambda function keeps receiving more than one invocation request for a single event. How do I prevent my Lambda function from invoking multiple times from the same event?
Short description
To help prevent duplicate Lambda function invocations, do the following based on the invocation type that you're using.
Note: For synchronous invocations, the clients and AWS services that invoke a Lambda function are responsible for performing retries. For asynchronous invocations, Lambda automatically retries on error, with delays between retries.