Updated on 2025-10-21 GMT+08:00

General-Purpose DB Instances

Test Data

Depending on service scenarios, the test results of RDS for MySQL 8.0 may be lower than those of RDS for MySQL 5.7, which is normal.

The Maximum Connections (Stress Testing) columns in the following tables indicate the results of the RDS performance stress testing. For running services on the live network, set the parameter max_connections.

Table 1 vCPU:Memory = 1:2

vCPUs

Memory (GB)

Maximum Connections (Stress Testing)

TPS

QPS

IOPS

2

4

1,500

434

8,679

The input/output operations per second (IOPS) supported depends on the I/O performance of Elastic Volume Service (EVS) disks. For details, see Disk Types and Performance of Elastic Volume Service Service Overview.

4

8

2,500

1,363

27,252

8

16

5,000

2,014

40,280

Table 2 vCPU:Memory = 1:4

vCPUs

Memory (GB)

Maximum Connections (Stress Testing)

TPS

QPS

IOPS

2

8

2,500

645

12,899

The input/output operations per second (IOPS) supported depends on the I/O performance of Elastic Volume Service (EVS) disks. For details, see Disk Types and Performance of Elastic Volume Service Service Overview.

4

16

5,000

1,428

28,554

8

32

10,000

2,422

48,445

Test Results

Figure 1 vCPU:Memory = 1:2
Figure 2 vCPU:Memory = 1:4