Migrate a self-managed MySQL database to Amazon Aurora MySQL using AWS DMS homogeneous data migrations
Database Blog
This article provides a comprehensive guide for migrating a self-managed MySQL database to Amazon Aurora MySQL using AWS Database Migration Service (DMS) homogeneous data migrations. The key steps and highlights include:
- Detailed preparation of source and target database environments
- Creating necessary IAM roles, security groups, and network configurations
- Configuring AWS DMS instance profiles, data providers, and migration projects
- Implementing SSL certificates and database user permissions
- Storing database credentials securely in AWS Secrets Manager
Key technical considerations for the migration:
- Uses full load and change data capture (CDC) migration type
- Supports in-transit encryption and SSL connections
- Allows migration of database objects like functions and triggers
- Provides monitoring through CloudWatch metrics
The article emphasizes careful planning, testing, and monitoring during the migration process, recommending a cutover during low-traffic windows and verifying replication lag before switching applications.
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