Apache Kafka - Real-time Stream Processing (Master Class) - Creating your First State Store

The video tutorial covers the implementation of stateful processors in Kafka streams, focusing on transforming invoices into notifications and computing customer rewards. It explains the setup of a project from scratch, including dependencies and configurations. The tutorial details the creation of a Kafka streams application, the use of state stores, and the application of transform values using a rewards transformer. The video concludes with a summary of the process and a note on potential issues when scaling the application.

What is the role of the rewards transformer in the transformation process?

How is the total loyalty points calculated in the example?

Summarize the steps taken to create the source stream and process the invoices.

What considerations must be taken into account when scaling the application?