downgrade instance type - Data Transmission Service - Alibaba Cloud Documentation Center

This topic describes how to downgrade the class of a data synchronization instance in the Data Transmission Service (DTS).

Prerequisites

The instance to be downgraded must be a data synchronization instance and in the Incremental Data Synchronization phase.
The instance status is Running, Paused, or Failed.
The instance must be of a large class or larger.

The supported minimum class for the instance to be downgraded is medium.

Subscription:
Refund amount = (Daily fees of the instance before the downgrade - Daily fees of the instance after the downgrade) × (Number of days between the date when the subscription expires and the downgrade date)
Note
For more information, see Rules for unsubscribing from resources.
Pay-as-you-go:
After you downgrade a pay-as-you-go instance, you are charged per hour based on the new instance class.

Note

For more information, see Billing overview.

Log on to the DTS console.
In the left-side navigation pane, click Data Synchronization.
In the top navigation bar, select the region in which your DTS instance resides.
Find the data synchronization task, and choose > Downgrade in the Actions column.
Choose a new instance class. Then, read and select the Data Transmission Service (Pay-As-You-Go) Service Terms.
Note
- This topic provides a general introduction. The actual pages in the DTS console may be different from those shown in this topic.
- For more information about instance classes, see Instance classes of data synchronization instances.
Click Pay and complete the payment.