In my first two blog posts of the Spark Streaming and Kafka series - Part 1 - Creating a New Kafka Connector [https://www.rittmanmead.com/blog/2019/02/kafka/] and Part 2 - Configuring a Kafka Connector [https://www.rittmanmead.com/blog/2019/02/spark-streaming-and-kafka/] - I showed how