Migrating Amazon DocumentDB Cluster across Regions: A step by step guide
Database Blog
This article provides a comprehensive guide to migrating an Amazon DocumentDB cluster across AWS Regions using the Global Clusters feature. The migration process involves several key steps:
- Convert the regional cluster into a global cluster by adding a secondary Region
- Ensure data replication with minimal lag between primary and secondary clusters
- Perform a switchover to promote the secondary cluster to primary
- Update application connection configurations
- Remove the global cluster setup after migration
Key benefits include minimal downtime, improved global application performance, and flexibility for disaster recovery and compliance. The article uses a migration example from Singapore (ap-southeast-1) to Mumbai (ap-south-1) Regions, demonstrating the step-by-step process with detailed technical instructions.
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