This topic describes the billing details about cluster specifications changes in AnalyticDB for MySQL.

Billing method Specifications change description
Subscription
  • Specifications changes within the subscription period

    Upgrade costs = (Daily price of the cluster after upgrade - Daily price of the cluster before upgrade) × Number of days from the upgrade date to the expiration date

    • If the number of days from the upgrade date to the expiration date is less than 365, the daily price of the cluster after upgrade is equal to the monthly subscription price divided by the number of days in the month.
    • If the number of days from the upgrade date to the expiration date is equal to or greater than 365, the daily price of the cluster after upgrade is equal to the yearly subscription price divided by the number of days in the year.
  • Renewal and specifications changes upon expiration

    Your cluster is billed based on the new specifications and the subscription period (by month or year).

Note The resources are charged since the first second after they are added.
Pay-as-you-go A pay-as-you-go cluster is still billed on an hourly basis after you change the specifications of the cluster. The fees are calculated based on the new cluster specifications.