A database migration requires moving a 5 TB MySQL database from on-premises to Amazon Aurora MySQL. The migration must have less than 10 minutes of downtime. Which TWO tools should be used together? (Select TWO)

Answer options:

AWS Database Migration Service (DMS) for ongoing replication.

AWS Snowball Edge for the ongoing replication.

Percona XtraBackup or mysqldump for the initial data load.

AWS Schema Conversion Tool (SCT).

AWS DataSync.

AWS Application Migration Service (MGN).

How to approach this question

Combine native bulk load tools with AWS replication tools.

Full Answer

AWS Database Migration Service (DMS) for ongoing replication., Percona XtraBackup or mysqldump for the initial data load.

For large homogeneous migrations, best practice is to use native tools (mysqldump/Percona) for the fast initial load, and AWS DMS for the ongoing Change Data Capture (CDC) to achieve near-zero downtime.

Common mistakes

Using DMS for the initial load of a massive database, which is very slow.

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