RDS editions of ApsaraDB RDS for MySQL and scenarios of each RDS edition - ApsaraDB RDS

This topic describes the RDS editions of ApsaraDB RDS for MySQL. This topic also describes the scenarios, instance types, and features of each RDS edition.

RDS editions of ApsaraDB RDS for MySQL

RDS edition	Description	Scenario
RDS Basic Edition	The database system consists of only a primary RDS instance. Computing is separated from storage. Read-only RDS instances are not supported.	Personal learning Microsites Development and testing environments for small and medium-sized enterprises
RDS High-availability Edition	The database system consists of a primary RDS instance and a secondary RDS instance. These instances work in HA mode and support automatic failover. The secondary RDS instance cannot be accessed. You can create read-only RDS instances to increase the read capability of your database system.	Production databases for large and medium-sized enterprises Databases that are used in industries such as the Internet, IoT, e-commerce, logistics, and gaming
RDS Cluster Edition	The database system consists of a primary node and multiple secondary nodes. These nodes work in HA mode and support automatic failover. The secondary nodes can be accessed. This increases the read capability of your database system. You can create multiple secondary nodes to increase the read capability of your database system.	Production databases for large and medium-sized enterprises Databases that are used in industries such as Internet-based new retail and automobile manufacturing, and databases that are used for Enterprise Resource Planning (ERP) systems

Change of the RDS edition

Upgrade from RDS Basic Edition to RDS High-availability Edition: This applies if your RDS instance runs MySQL 5.7 or MySQL 8.0.
Upgrade from RDS Basic Edition to RDS Cluster Edition: This applies if your RDS instance runs MySQL 5.7 or MySQL 8.0 and uses cloud disks.
Upgrade from RDS High-availability Edition to RDS Cluster Edition: This applies if your RDS instance runs MySQL 5.7 or MySQL 8.0 and uses cloud disks.
Change from RDS High-availability Edition to RDS Basic Edition or from RDS Cluster Edition to RDS High-availability Edition or RDS Basic Edition: These changes are not allowed. If you want to change your RDS instance from RDS High-availability Edition to RDS Basic Edition or from RDS Cluster Edition to RDS High-availability Edition or RDS Basic Edition, you can create an RDS instance that runs the required RDS edition and migrate data from the original RDS instance to the new RDS instance.

Check on the RDS edition

You can log on to the ApsaraDB RDS console, find the RDS instance, and then go to the Basic Information page to view the RDS edition of the RDS instance.

Supported instance types

For more information, see Instance types for standard primary ApsaraDB RDS for MySQL instances (original x86 architecture).
For more information, see Instance types for YiTian primary ApsaraDB RDS for MySQL instances (original ARM architecture).

Supported features

For more information, see Features.

Create an RDS instance

For more information, see Create an ApsaraDB RDS for MySQL instance.