The billable items for ApsaraDB RDS include RDS instance billable items, value-added service billable items. This topic describes the definitions, billing formulas, and billing methods of the billable items.
RDS instances
When you purchase a subscription or pay-as-you-go RDS instance, you must specify the specifications of the computing resources and storage capacity. After you purchase the instance, you are charged RDS instance type fees and storage capacity fees.
RDS instance type
Category | Description |
Definition | Fees for the computing resource specifications of subscription or pay-as-you-go RDS instances (including regular instances, read-only instances). The billable item is named RDS Instance Type (rds_class) or Instance Type (ClassCode). After you create an RDS instance, fees are generated for the billable item. If the computing resource specifications of the instance are increased or decreased, the fees for the billable item generally change. |
Billing formula |
Note The unit price of the instance type varies based on the region, database engine, and specifications. For more information, visit the ApsaraDB RDS buy page or check your bills. |
Billing method | Subscription or pay-as-you-go. |
Storage capacity
Category | Description |
Definition | Fees for the storage capacity of subscription, pay-as-you-go RDS instances (including regular instances, read-only instances, and disaster recovery instances). The billable item is named Storage Capacity (rds_storage or Storage). After you create an RDS instance, fees are generated for the billable item. If you expand or reduce the storage capacity of your RDS instance, the fees for the billable item change. |
Billing formula | Storage capacity fee = Unit price of the storage capacity for the instance × Storage used by the instance × Duration Note
|
Billing method | Subscription, pay-as-you-go. |
Value-added features of ApsaraDB RDS
The value-added features are the paid features that are provided by ApsaraDB RDS. After you enable or use a value-added feature, fees are generated for the feature. The fee for the value-added feature is charged by ApsaraDB RDS.
Regular backup and archived backup
Regular backup storage
Category | Description |
Definition | Data backup files and log backup files are stored in the backup storage that is provided by Alibaba Cloud. Alibaba Cloud provides a free quota for backup storage. If the backup storage exceeds the free quota, you are charged for the excess backup storage on a pay-as-you-go basis. The billable item is named RDS Basic Backup Fee (backup_charged). For more information about the feature, see Back up an ApsaraDB RDS for MariaDB TX instance. |
Billable product | Relational database. |
Billing formula | Backup storage fee = (Total storage of backup files - Free quota) × Unit price of backup storage × Duration Note
|
Billing method | Pay-as-you-go. |
Full restoration and regular database and table restoration
Full restoration (instance cloning)
When you use data backups and log backups of the original instance for data restoration to a new instance, you are charged for the RDS instance type and storage of the new instance.
For more information, see Restore MariaDB data.
Public endpoint traffic
If you apply for a public endpoint for your RDS instance and use the public endpoint to connect to your RDS instance, Internet traffic is consumed. Currently, you are not charged for the inbound or outbound Internet traffic that is consumed to connect to your RDS instance by using the public endpoint.
For more information, see Enable or disable the public endpoint for an RDS MariaDB instance.