OceanBase Migration Service (OMS) connects the to-be-migrated source business database to the destination OceanBase database.
The following figure shows the system architecture of OMS.
OMS consists of the following components:
Console: provides one-stop migration scheduling capabilities.
DBCat: collects and converts data objects.
Checker: consists of the Checker-Full and Checker-Verify components.
Incremental data capture and write components
Basic service components: manage clusters, resource pools, high-availability components, and metadata, to ensure efficient scheduling and stable operations of the migration module.