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Dedicated DB Instances
Updated on 2025-03-19 GMT+08:00
Dedicated 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 |
|---|---|---|---|---|
|
2 |
8 |
437.45 |
8,748.99 |
See About IOPS. |
|
4 |
16 |
896.84 |
17,936.72 |
|
|
8 |
32 |
1,819.93 |
36,398.77 |
|
|
16 |
64 |
2,600.93 |
52,018.73 |
|
|
32 |
128 |
5,428.06 |
108,572.08 |
|
|
64 |
256 |
12,102.77 |
242,079.30 |
|
vCPUs |
Memory (GB) |
TPS |
QPS |
IOPS |
|---|---|---|---|---|
|
2 |
16 |
528.85 |
10,577.07 |
See About IOPS. |
|
4 |
32 |
1,002.06 |
20,041.23 |
|
|
8 |
64 |
1,904.04 |
38,080.91 |
|
|
16 |
128 |
3,928.59 |
78,572.08 |
|
|
64 |
512 |
7,485.78 |
149,732.20 |
Test Results
Figure 1 vCPU:Memory = 1:4
Figure 2 vCPU:Memory = 1:8
Parent topic: RDS for PostgreSQL 13 Test Data
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