Schema registries in Kafka and how they’re used

Short introduction: if you use Kafka you’re most likely dealing with various kind of messages. You store the schema of each message in a schema-registry. But how does Kafka use a schema-registry? Here’s my short introduction.If you want to know why you’d need a schema-registry, what a schema is, or what Kafka is, follow up the links or use a search-engine or contact me. You’d most likely get to this article because you want to know the details, so I’ll just skip to them. Kafka and schemas? Any application that uses Kafka either produces messages or consumes them. Producing means writing messages (also sometimes called records) to a kafka topic. Consuming means reading messages from a a kafka topic. Kafka is pretty liberal on what the content is of those messages. Basically it can be any textual or binary information. But to make it more manageable almost always you’d stick…

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