Advanced AWS DMS Configuration: Aurora PostgreSQL to CockroachDB Migration for CDC

The text outlines a detailed guide for migrating real-time data from Aurora PostgreSQL to CockroachDB using AWS Database Migration Service (DMS), emphasizing the importance of minimizing downtime and ensuring data consistency through Change Data Capture (CDC) replication. It discusses the advantages of CDC, such as continuous data replication and facilitation of cloud transitions, and describes how to configure both source and target endpoints using AWS DMS, including setting up custom replication slots and logical replication in Aurora PostgreSQL. The guide further explains how to configure DMS migration tasks, including mapping rules for efficient data replication, and highlights the steps for using a custom Log Sequence Number (LSN) to dictate the starting point of the migration process. The document concludes by promoting the benefits of using CockroachDB in conjunction with AWS for distributed SQL database modernization, offering high availability and scalability.

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