No Data at Destination Despite Good Metrics - Amazon Kinesis Data Firehose
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

No Data at Destination Despite Good Metrics

If there are no data ingestion problems and the metrics emitted for the delivery stream look good, but you don't see the data at the destination, check the reader logic. Make sure your reader is correctly parsing out all data.