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Managing multiple event types in a single topic with Schema Registry

« Kafka Summit Europe 2021

With Apache Kafka, it's typical to place different events in their own topic. But different event types can be related. Consider customer interactions with an online retailer. The customer searches through the site and clicks on various items before deciding on a final purchase. But businesses can gain insight by processing these events in sequence. Using the event type per topic leaves a lot of work for developers. Is there a better way? Fortunately, there is. Schema Registry now supports having multiple event types in the same topic. By placing various event types in a single topic, you can now handle different related events in-order. In this presentation, I'll introduce Schema Registry then we'll dive into how it handles multiple event types in a single topic, including examples. You will learn how and when to apply the multiple event types per topic pattern. Additionally, you'll learn how schema references work in Schema Registry.

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