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General-Purpose DB Instances
Updated on 2025-03-19 GMT+08:00
General-Purpose DB Instances
About IOPS
The IOPS supported by RDS for PostgreSQL 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
|
vCPUs |
Memory (GB) |
TPS |
QPS |
IOPS |
|---|---|---|---|---|
|
1 |
2 |
172.88 |
3,457.69 |
See About IOPS. |
|
2 |
4 |
387.63 |
7,752.63 |
|
|
4 |
8 |
823.89 |
16,477.76 |
|
|
8 |
16 |
1538.08 |
30761.58 |
|
vCPUs |
Memory (GB) |
TPS |
QPS |
IOPS |
|---|---|---|---|---|
|
2 |
8 |
461.22 |
9,224.35 |
See About IOPS. |
|
4 |
16 |
843.00 |
16,860.02 |
|
|
8 |
32 |
1,786.72 |
35,734.52 |
Test Results
Figure 1 vCPU:Memory = 1:2
Figure 2 vCPU:Memory = 1:4
Parent topic: RDS for PostgreSQL 12 Test Data
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