Updated on 2025-01-16 GMT+08:00

Billed Items

Billing

You will be billed for the instance specifications, storage space, and backup space. For details, see Table 1.

The billed items marked with asterisks (*) are mandatory.

Table 1 DDS billed items

Billed Item

Description

Billing Mode

Formula

* Instance specifications

Billed by vCPUs, memory, and the number of nodes. Computing and storage capabilities vary by the number of vCPUs and memory size.

Yearly/Monthly and pay-per-use

Unit price x Required duration

See Specifications in DDS Pricing Details.

* Storage space

Billed by storage capacity based on unified standards.

Yearly/Monthly and pay-per-use

Unit price x Storage capacity x Required duration

See Storage Space in DDS Pricing Details.

* Backup space

Billed based on unified standards.

Pay-per-use

Unit price x Billed backup capacity x Billed duration

See Backup Storage Space in DDS Pricing Details.

NOTE:

The billed duration refers to the length of time the billed backup space was used for.

(Optional) Cross-region backup

Cross-region backup storage space, which is billed based on unified standards.

Pay-per-use

Unit price x Storage capacity x Required duration

See DDS Pricing Details.

EIP bandwidth

An EIP is required if the DB instance needs to access the Internet.

Billed by bandwidth, traffic, and the EIP reservation price.

  • EIP for a yearly/monthly DB instance: billed by bandwidth.
  • EIP for a pay-per-use DB instance: billed by bandwidth, traffic, or shared bandwidth. You are also charged for IP reservation if you do not bind the EIP to any instance.

Yearly/Monthly and pay-per-use

You can purchase a bandwidth add-on package or a shared traffic package.

Tiered pricing based on fixed bandwidth.

  • 0 Mbit/s to 5 Mbit/s (included): billed at a fixed unit price per Mbit/s
  • Greater than 5 Mbit/s: billed at a different price per Mbit/s

See Bandwidth Price on ECS Pricing Details or EIP Pricing Details.

Audit logs

Billed by audit log storage capacity based on unified standards.

Pay-per-use

Unit price for audit log storage space x Storage capacity x Required duration

See Audit Log in DDS Pricing Details.

Billing Examples

Suppose you purchased a one-month replica set DB instance (instance specifications: 2 vCPUs | 4 GB; number of nodes: 3; storage: 40 GB; backup space: 50 GB (40 GB for free)) on March 08, 2023, 15:50:04, and renewed the subscription for one more month before the initial subscription expired. The following usage periods will be billed:

  • March 08, 2023, 15:50:04 to April 08, 2023, 23:59:59
  • April 08, 2023, 23:59:59 to May 08, 2023, 23:59:59
    • From April 08, 2023, 23:59:59 to May 01, 2023, 23:59:59, 20 GB of free backup space was used.
    • From May 01, 2023, 23:59:59 to May 08, 2023, 23:59:59, another 10 GB of backup space was used, which was billed for 168 hours.

Figure 1 shows how the total price is calculated.

The prices in the figure are only for reference. For details, see DDS Pricing Details.

Figure 1 Total price for a yearly/monthly DB instance

For more billing examples of a pay-per-use DB instance, see Billing Examples.