The I/O Performance Burst feature for ApsaraDB RDS instances with Premium ESSDs will transition from free public beta to paid service. Please see the details below:

• Effective Date: September 16, 2025 (Singapore Time, GMT+8)
• Billing Rules:
  • Free Quota Retained: For existing instances that have the I/O Performance Burst feature enabled, as long as you do not disable this feature, you can continue to use it for free within the free quota.
  • Pay-As-You-Go Pricing for Overages: If you enabled the feature and I/O usage exceeds the free quota, the actual I/O consumption beyond the free quota will be charged on a pay-as-you-go basis. For more detailed pricing information, please refer to the feature documentation.
• Cost Management Suggestions
  • If you prefer not to incur charges for the I/O Performance Burst feature, we recommend manually disabling this feature to avoid associated costs.
• Impact Summary
  • Existing Instances with the Feature Enabled: The feature will not be auto-disabled, please adjust settings proactively if needed. (You can refer to the feature documentation for details.)
  • New Purchases: For newly purchased instances, the feature will be disabled by default. You will need to enable it manually if desired.
• Documentations
  • The Pricing and Usage Guidelines for I/O Performance Burst on ApsaraDB RDS for MySQL Instances >
  • The Pricing and Usage Guidelines for I/O Performance Burst on ApsaraDB RDS for PostgreSQL Instances >

We appreciate your understanding and support as we strive to improve our products and services. If you have any questions or concerns, please feel free to contact us by tickets, and we will do our best to provide you with the help you need.