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Dedicated DB Instances

Updated on 2022-09-22 GMT+08:00

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

NOTICE:

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 = 1:4

vCPUs

Memory (GB)

Maximum Connections (Stress Testing)

TPS

QPS

IOPS

2

8

2,500

621

12,394

See About IOPS.

4

16

5,000

1,230

24,608

8

32

10,000

2,514

50,290

16

64

18,000

3,017

60,337

32

128

30,000

4,368

87,354

64

256

60,000

4,536

90,729

Table 2 vCPU:Memory = 1:8

vCPUs

Memory (GB)

Maximum Connections (Stress Testing)

TPS

QPS

IOPS

4

32

10,000

1,488

29,765

See About IOPS.

8

64

18,000

2,811

56,216

16

128

30,000

4,095

81,910

64

512

100,000

4,626

96,824

Test Results

Figure 1 vCPU:Memory = 1:4
Figure 2 vCPU:Memory = 1:8
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