Help Center/ Relational Database Service/ Performance White Paper/ RDS for MySQL/ RDS for MySQL 5.7 Test Data/ General-Purpose DB Instances
Updated on 2022-09-22 GMT+08:00
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General-Purpose DB Instances

About IOPS

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

Test Data

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

1

2

800

185

3,707

See About IOPS.

2

4

1,500

334

6,673

4

8

2,500

756

15,122

8

16

5,000

1,338

26,756
Table 2 vCPU:Memory = 1:4

vCPUs

Memory (GB)

Maximum Connections (Stress Testing)

TPS

QPS

IOPS

2

8

2,500

552

11,039

See About IOPS.

4

16

5,000

1,062

21,249

8

32

10,000

2,117

42,335

Test Results

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