Protobuf Changefeeds: Native, Typed CDC without the Glue Code

Change data capture (CDC) is the backbone of modern data platforms: Event-driven microservices, real-time analytics, incremental ELT, and operational alerts all depend on a reliable stream of change events.

CockroachDB has long supported CDC with native changefeeds and familiar output formats like JSON and Avro. Now we’re adding Protocol Buffers (Protobuf) as a first‑class serialization option. If your organization standardizes on Protobuf for Kafka and downstream services, you’ll be able to plug CockroachDB in without glue code or format converters.

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