Since July 31, 2021, Alibaba Cloud no longer provides ApsaraDB RDS instances that run PostgreSQL 9.4. After the specified date, Alibaba Cloud provides only technical support for existing RDS instances that run PostgreSQL 9.4. If your RDS instance runs PostgreSQL 9.4, we recommend that you upgrade the database engine version of the instance to a later version at the earliest opportunity. For more information, see Upgrade the major engine version of an ApsaraDB RDS for PostgreSQL instance.
Effective date
July 31, 2021
Involved instances
ApsaraDB RDS instances that run PostgreSQL 9.4
Causes
The open source PostgreSQL community no longer provides maintenance for PostgreSQL 9.4 since February 13, 2020. If you continue to use PostgreSQL 9.4, you may encounter potential risks.
Impacts
You can no longer purchase RDS instances that run PostgreSQL 9.4.
The following features are no longer provided for existing RDS instances that run PostgreSQL 9.4:
Configuration change. For more information, see Change instance specifications.
Data restoration. For more information, see Restore the data of an ApsaraDB RDS for PostgreSQL instance.
Billing method change. For more information, see Switch an ApsaraDB RDS for PostgreSQL instance from pay-as-you-go to subscription or Change the billing method of an ApsaraDB RDS instance from subscription to pay-as-you-go.
Other features are still provided for existing RDS instances that run PostgreSQL 9.4. However, Alibaba Cloud no longer provides database engine maintenance or new features. Alibaba Cloud provides only technical support for these instances.
Suggestions
If you are using an RDS instance that runs PostgreSQL 9.4, we recommend that you upgrade the database engine version of the instance to a later version. This way, you can prevent the known vulnerabilities and issues that are found in PostgreSQL 9.4. For more information, see Upgrade the major engine version.
If you want to purchase a new RDS instance that runs PostgreSQL, we recommend that you select PostgreSQL 10 or later.
If you are using an RDS instance that runs PostgreSQL 9.4, you cannot restore the data of the RDS instance to a new RDS instance from July 31, 2021. For more information about the restoration method, see Restore the data of an ApsaraDB RDS for PostgreSQL instance.