Downgrade an instance class-Data Transmission Service(DTS)-阿里云帮助中心

You can downgrade the instance class of a Data Transmission Service (DTS) data synchronization instance.

Prerequisites

The data synchronization instance is in the Incremental Data Synchronization phase.
The instance is in the Running, Paused, or Failed state.
The class of the data synchronization instance is large or higher.

You can downgrade the instance class of a data synchronization instance to no lower than medium.

For the subscription billing method:

Refund = (Daily price before downgrade - Daily price after downgrade) × Remaining days from the downgrade date to the service expiration date.

Note
For details, see Unsubscription rules.
For the pay-as-you-go billing method:

After downgrading, you are charged for the new instance class. Billing remains hourly.

Note

For pricing details, see Billing overview.

Log on to the Data Transmission Service (DTS) console.
In the left navigation pane, click Data Synchronization.
In the upper-left corner of the page, select the region where the instance is located.
Find the target data synchronization instance and in the Actions column, choose > Downgrade.
Select an instance class, and then read and select the Data Transmission Service (Pay-as-you-go) Service Terms checkbox.
Note
- These steps are for reference only; the actual UI may differ.
- For details about instance classes, see Instance classes for data synchronization.
Click Pay and complete the payment process.