title: Is there a way to purge a dynamoDB stream?
body: <p>Hi I am working with dynamodb stream and lambda triggers over them. I've got myself into a fix as my lambda reads records from TRIM_HORIZON and it failed to process the very first record. Now the lambda is hell-bent on retrying the processing of that specific record. Is there a way to purge the stream so that new records start flowing and they can be processed?</p>