Help Center/ Relational Database Service/ Performance White Paper/ RDS for MySQL/ RDS for MySQL 5.6 Test Data/ General-Purpose DB Instances
Updated on 2023-04-12 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

157

3,140

See About IOPS.

2

4

1,500

362

7,239

4

8

2,500

834

16,672

8

16

5,000

1,701

34,016
Table 2 vCPU:Memory = 1:4

vCPUs

Memory (GB)

Maximum Connections (Stress Testing)

TPS

QPS

IOPS

2

8

2,500

483

9,669

See About IOPS.

4

16

5,000

983

19,668

8

32

10,000

2,045

40,902

Test Results

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