Mistake #5: Configuring different names for the schemas topic in different Schema Registry instances
There is a commit log with all the schema information, which gets written to a Kafka topic. All Schema Registry instances should be configured to use the same schemas topic, whose name is set by the configuration parameter
kafkastore.topic. This topic is the schema’s source of truth, and the primary instances read the schemas from this topic. The name of this topic defaults to
_schemas, but sometimes customers choose to rename it. This has to be the same for all Schema Registry instances, otherwise it may result in different schemas with the same ID.
Read on for sixteen more.