OceanBase Migration Service (OMS) connects the source business database and 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.
The incremental pull component Store, incremental synchronization component Incr-Sync, full import component Full-Import, and full verification component Full-Verification.
Basic service components: Multiple basic service components, such as cluster management, resource pool management, high availability (HA), and metadata management components are provided to ensure efficient scheduling and stable operation of the migration module.