(Optional) Step 11: Unsubscribing from a Service

In this development scenario, fees are generated for DataArts Studio, OBS, MRS, and DWS. If you configure additional notifications, you may be charged for the following services:

SMN: If you enable SMN notifications for your DataArts Studio modules, you need to pay for the notifications. For details, see SMN Pricing Details.
EIP: If you use an EIP for your DataArts Migration cluster or DataArts DataService Exclusive cluster, you need to pay for the EIP. For details, see EIP Pricing Details.
DEW: If you enable KMS when creating a link in DataArts Migration or creating a connection in Management Center, you will be billed for key management. For details about the billing standards, see DEW pricing details.

After the scenario development is complete, if you no longer need DataArts Studio and related services, unsubscribe from them and delete them in a timely manner to avoid continuous fees.

**Table 1** Unsubscription Methods
Service	Billing	Unsubscription mode.
DataArts Studio	Billing	DataArts Studio instances support only the yearly/monthly billing mode. During the validity period of a yearly/monthly DataArts Studio basic package, you can unsubscribe from the package by referring to Unsubscriptions.
OBS	Billing	OBS supports pay-per-use and yearly/monthly billing modes. Packages cannot be unsubscribed. In this example, the pay-per-use billing mode is used. After the billing is complete, delete the new bucket. In addition, DataArts Studio job logs and DLI dirty data are stored in the OBS bucket named dlf-log-{Project id} by default. You can delete them after unsubscribing from DataArts Studio.
MRS	Billing	MRS supports pay-per-use and yearly/monthly billing modes. In this example, the pay-per-use billing mode is used. After the billing mode is used, delete the MRS cluster. If the yearly/monthly billing mode is used, you need to unsubscribe from the yearly/monthly package and delete the MRS cluster by referring to Unsubscribing from a Cloud ServiceUnsubscribing from a Cloud ServiceUnsubscribing from a Cloud ServiceUnsubscribing from a Yearly/Monthly Package.
DWS	Billing	DWS supports pay-per-use and yearly/monthly billing modes. In this example, the pay-per-use billing mode is used. After the billing mode is used, delete the data warehouse cluster. If the yearly/monthly billing mode is used, you need to unsubscribe from the yearly/monthly package by referring to Unsubscribing from a Cloud ServiceUnsubscribing from a Cloud ServiceUnsubscribing from a Cloud ServiceUnsubscribing from a Cloud ServiceUnsubscribing from a Yearly/Monthly Package and delete the data warehouse cluster.
SMN	Billing	You pay only for what you use. After you unsubscribe from DataArts Studio, no notification will be generated. You can also directly delete topics and subscriptions generated by DataArts Studio.
EIP	Billing	The EIP service supports the pay-per-use and yearly/monthly billing modes. In this example, the pay-per-use billing mode is used. After the billing mode is used, delete the EIP. If the yearly/monthly billing mode is used, you need to unsubscribe from the yearly/monthly package and delete the EIP by referring to Unsubscribing from a Cloud ServiceUnsubscribing from a Cloud ServiceUnsubscribing from a Cloud ServiceUnsubscribing from a Cloud ServiceUnsubscribing from a Yearly/Monthly Package.
DEW	Billing	KMS is charged by key instance. You can directly delete KMS keys generated by DEW.