Using ApsaraDB RDS may involve the following billable items: RDS instance billable items and value-added service billable items. This topic describes the definition, billing formula, and billing method of each billable item.
RDS instances
When you purchase a subscription or pay-as-you-go RDS instance, you must specify the specifications of the computing resources and the storage capacity. After the purchase, RDS instance type fees and storage capacity fees are generated.
RDS instance type
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Category |
Description |
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Definition |
The fees for the computing resource specifications of subscription or pay-as-you-go RDS instances, including regular instances, read-only instances, and disaster recovery instances. The billable item name is RDS instance type (rds_class) or instance type (ClassCode). This billable item is generated after an instance is created. If the computing resource specifications of the instance increase or decrease, the fees of this billable item usually change. |
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Billing formula |
Note
The unit price of an RDS instance type varies based on the region, database engine, and instance specifications. For more information, see the buy page and your bills. |
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Billing method |
Subscription or pay-as-you-go. |
Storage capacity
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Category |
Description |
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Definition |
The storage fees of subscription, pay-as-you-go RDS instances, including regular instances, read-only instances, and disaster recovery instances. The billable item name is storage capacity (rds_storage or Storage). This billable item is generated after an instance is created. If the storage capacity of the instance increases or decreases, the fees of this billable item change. |
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Billing formula |
Storage capacity fee = Unit price of the instance storage × Instance storage capacity × Duration Note
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Billing method |
Subscription, pay-as-you-go. |
RDS value-added services
RDS value-added services are paid features provided by ApsaraDB RDS. Fees are generated only if you enable or use these features. The billable product of RDS value-added services is ApsaraDB RDS.
Regular backups and archived backups
Regular backup storage
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Category |
Description |
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Definition |
Data backups and log backups are stored in the backup storage provided by Alibaba Cloud. Alibaba Cloud provides a free backup quota. If your backup storage usage exceeds the free quota, the excess is billed on a pay-as-you-go basis. The billable item is RDS Basic Backup Fee (backup_charged). For more information, see Back up an ApsaraDB RDS for MariaDB instance. |
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Billable product |
ApsaraDB RDS. |
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Billing formula |
Backup storage fee = (Total backup size - Free backup quota) × Unit price of the backup storage × Duration Note
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Billing method |
Pay-as-you-go. |
Full data restoration and standard database and table restoration
Restore full data (instance cloning)
When you use the data backups and log backups of an original instance to restore data to a new instance, you are charged the RDS instance type fee and storage capacity fee of the new instance.
For more information, see Restore MariaDB data.
Traffic over public endpoints
If you apply for a public endpoint and use it to connect to your RDS instance, Internet traffic is generated. At present, the Internet traffic (inbound and outbound) that is generated when you connect to an RDS instance over its public endpoint is eligible for a 100% discount and is free of charge.
For more information, see Apply for or release an RDS MariaDB public endpoint.