Apache Flink supports various connectors that allow data read/writes across various technologies. Let's learn more about this.
Kafka is a publish-subscribe, distributed, message queuing system that allows users to publish messages to a certain topic; this is then distributed to the subscribers of the topic. Flink provides options to define a Kafka consumer as a data source in Flink Streaming. In order to use the Flink Kafka connector, we need to use a specific JAR file.
The following diagram shows how the Flink Kafka connector works:
We need to use the following Maven dependency to use the connector. I have been using Kafka ...