Using Asynchronous I/O in Kinesis Data Analytics for Apache Flink - Amazon Kinesis Data Analytics
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Using Asynchronous I/O in Kinesis Data Analytics for Apache Flink

An Asynchronous I/O operator enriches stream data using an external data source such as a database. Kinesis Data Analytics enriches the stream events asynchronously so that requests can be batched for greater efficiency.

For more information, see Asynchronous I/O in the Apache Flink Documentation.