Database Migration Service supports one-time and continuous migrations from source databases to Cloud SQL destination databases.
Supported source databases
Amazon RDS 5.6, 5.7, 8.0
Self-managed MySQL (on premises or on any cloud VM that you fully control) 5.5, 5.6, 5.7, 8.0
Cloud SQL for MySQL 5.6, 5.7, 8.0, 8.4
Amazon Aurora 5.6, 5.7, 8.0
Database Migration Service isn't compatible with MariaDB.
Supported destination databases
Cloud SQL for MySQL 5.6 and 5.7
Cloud SQL for MySQL 8.0 including the following minor versions:
8.0.18, 8.0.26, 8.0.27, 8.0.28, 8.0.30, 8.0.31, 8.0.32, 8.0.33, 8.0.34, 8.0.35, 8.0.36, 8.0.37.
Cloud SQL for MySQL 8.4 with certain limitations. For example, migrations that use physical
backup files are not supported for MySQL 8.4 destinations. For more information, see
Known limitations.
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