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Using Database Migration APIs
Refer to the OCI Database Migration service APIs for more information.

Metering and billing
Metering and billing for Oracle Cloud Infrastructure Database Migration Service is based on the number of Migration Hours elapsed.

Metrics
Monitor the health, capacity, and overall performance of your Oracle Cloud Infrastructure Database Migration database registrations, migrations, agents, and jobs using metrics, alarms, and notifications.

Creating notifications
On the Migration details page, you can create rules to get notified about changes to your migrations based on events or metrics by navigating to the Monitoring tab. You can create notifications by following either of the two ways:

Policies
To control access to Oracle Cloud Infrastructure Database Migration and the type of access each user group has, you must create policies.

Set up Oracle GoldenGate for online migrations
To use your own GoldenGate instance, Oracle Cloud Infrastructure Database Migration service has a few additional prerequisite tasks, create GoldenGate users on the source database and unlock the GoldenGate user on the target database (optional).

Database Migration Data Pump defaults
Oracle Cloud Infrastructure Database Migration automatically sets optimal defaults for Data Pump parameters to achieve better performance and ensure security of data. There are also Data Pump errors that are ignored by default.

Events
Oracle Cloud Infrastructure Database Migration service emits events in Oracle Cloud Infrastructure (OCI), which are structured messages that indicate state changes in resources.

Port requirements
The ports required for communication when using Oracle Cloud Infrastructure Database Migration are described in the following table.

Using the Snapshot Standby database
You can use the Snapshot Standby database as the source database for Data Pump Export.

Known issues
Refer to the Known Issues for OCI Database Migration.

11 Reference