This topic provides an overview of instance types for cost-effective read-only ApsaraDB RDS for MySQL instances that originally use the ARM architecture. This overview includes the most recent instance types and the specifications for each instance type.
For more information about how to create a read-only ApsaraDB RDS for MySQL instance, see Create a read-only ApsaraDB RDS for MySQL instance.
The subscription and pay-as-you-go billing methods are supported for read-only ApsaraDB RDS for MySQL instances. For more information, see Instance types for read-only ApsaraDB RDS instances. For more information about the prices, visit the ApsaraDB RDS buy page.
The maximum number of connections in this topic indicates the maximum number of processes that can be connected to the RDS instance at a time.
Read-only RDS instances that run RDS High-availability Edition
General-purpose instance types
Instance type | Number of CPU cores and memory capacity | Maximum number of connections | Storage capacity |
mysqlro.n2m.small.1c | 1 core, 2 GB | 2,000 |
|
mysqlro.n2m.medium.1c | 2 cores, 4 GB | 4,000 | |
mysqlro.n4m.medium.1c | 2 cores, 8 GB | 6,000 | |
mysqlro.n8m.medium.1c | 2 cores, 16 GB | 8,000 | |
mysqlro.n2m.large.1c | 4 cores, 8 GB | 6,000 | |
mysqlro.n4m.large.1c | 4 cores, 16 GB | 8,000 | |
mysqlro.n8m.large.1c | 4 cores, 32 GB | 12,000 | |
mysqlro.n2m.xlarge.1c | 8 cores, 16 GB | 8,000 | |
mysqlro.n4m.xlarge.1c | 8 cores, 32 GB | 10,000 | |
mysqlro.n8m.xlarge.1c | 8 cores, 64 GB | 16,000 |
Dedicated instance types
Instance type | Number of CPU cores and memory capacity | Maximum number of connections | Storage capacity |
mysqlro.x4m.medium.1c | 2 cores, 8 GB | 6,000 |
|
mysqlro.x8m.medium.1c | 2 cores, 16 GB | 8,000 | |
mysqlro.x2m.large.1c | 4 cores, 8 GB | 6,000 | |
mysqlro.x4m.large.1c | 4 cores, 16 GB | 8,000 | |
mysqlro.x8m.large.1c | 4 cores, 32 GB | 12,000 | |
mysqlro.x2m.xlarge.1c | 8 cores, 16 GB | 8,000 | |
mysqlro.x4m.xlarge.1c | 8 cores, 32 GB | 10,000 | |
mysqlro.x8m.xlarge.1c | 8 cores, 64 GB | 16,000 | |
mysqlro.x2m.2xlarge.1c | 16 cores, 32 GB | 16,000 | |
mysqlro.x4m.2xlarge.1c | 16 cores, 64 GB | 20,000 | |
mysqlro.x8m.2xlarge.1c | 16 cores, 128 GB | 32,000 | |
mysqlro.x2m.4xlarge.1c | 32 cores, 64 GB | 32,000 | |
mysqlro.x4m.4xlarge.1c | 32 cores, 128 GB | 40,000 | |
mysqlro.x8m.4xlarge.1c | 32 cores, 256 GB | 64,000 | |
mysqlro.x4m.8xlarge.1c | 64 cores, 256 GB | 80,000 | |
mysqlro.x8m.8xlarge.1c | 64 cores, 512 GB | 128,000 |