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Migrate a self-managed MySQL database to Amazon Aurora MySQL using AWS DMS homogeneous data migrations
- Migrating a self-managed MySQL database to Amazon Aurora MySQL offers improved performance, scalability, and manageability, facilitated by AWS DMS homogeneous data migrations.
- Homogeneous data migrations in AWS DMS simplify transitioning from self-managed, on-premises databases to Amazon RDS equivalents, supporting migrations between the same database engines.
- The process involves setting up and executing an AWS DMS homogeneous migration for an encrypted MySQL database to Aurora MySQL, encompassing configuration and best practices.
- Data migrations with full load and change data capture (CDC) type utilize mydumper and myloader for efficient data transfer and replication.
- Prior to migration, prerequisites like an active AWS account, network connectivity, IAM policies, and an Aurora MySQL cluster in the target account are crucial.
- Steps include preparing source and target environments, creating AWS DMS subnet groups, importing certificates for encryption, setting up Secrets Manager for database credentials, and creating instance profiles and data providers.
- After creating a migration project, data migration is initiated, progress is monitored through CloudWatch metrics, and cutover is performed once replication readiness is ensured.
- The clean-up phase involves deleting resources post-migration to prevent unnecessary costs.
- Overall, the migration process leverages AWS DMS for seamless transitioning to Aurora MySQL-Compatible, emphasizing thorough testing in non-production environments beforehand.
- The comprehensive guide provides insights into the entire migration process, from setup to completion, recommending careful planning and adherence to best practices for successful migrations.
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