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Working with Debezium CDC Records in Materialize

You can use Debezium to propagate Change Data Capture (CDC) data from a database to Materialize, for example MySQL or PostgreSQL.

Debezium emits records using an envelope that contains valuable information about the change captured, like the before and after values for each record. This envelope is a powerful structure that lets Materialize perform more complex analysis to understand all CRUD-like operations happening in the upstream database. For more details on CDC support in Materialize, check the documentation.

NOTE: Currently, Materialize only supports Avro-encoded Debezium records. If you're interested in JSON support, please reach out in the community Slack or leave a comment in this GitHub issue.

CDC guides

For the best CDC experience, we recommend following the step-by-step guides for each upstream database:

Kafka-less setup

If you need to connect Materialize to a PostgreSQL database but Kafka is not part of your stack, you can use the PostgreSQL direct source. This source uses PostgreSQL’s native replication protocol to continuously propagate upstream changes into Materialize, bypassing the need to deploy and maintain a Kafka instance. For more details and step-by-step instructions, check the Change Data Capture (Postgres) guide.

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