c8i.large

PostgreSQL benchmark results for the c8i.large AWS EC2 instance with 2 vCPU, 4 GiB RAM, and x86-64 architecture.

Compute

vCPU
2
Memory
4 GiB
Mem / vCPU
2 : 1

Platform

Family
c8i
Architecture
x86-64
Performance
Fixed

Cost & region

On-demand
$0.0937/hr~$68/mo
Region
us-east-1

Chart

Change the metric and disk to see how the numbers shift as the dataset grows — and where it stops fitting in memory.

Open markers sit past the RAM limit (~3 GB of 4 GiB): the dataset no longer fits in cache, so the working set spills to disk and throughput drops.

All results

6 of 6 rows
c8i.large PostgreSQL benchmark results
1 GBgp3-baseline52,203±0.4%0.61±0.4%2.16±0.1%2.79±0.2%451,47626,10213,051
1 GBgp3-max53,444±0.4%0.60±0.4%2.17±0.1%2.83±0.7%211,56326,72213,361
10 GBgp3-max18,996±0.1%1.68±0.1%2.74±0.2%3.28±0.4%75,1979,4984,749
50 GBgp3-max10,901±0.0%2.94±0.0%4.03±0.0%4.45±0.1%43,1515,4502,725
10 GBgp3-baseline3,517±0.2%9.10±0.2%13.93±0.0%16.67±0.1%30,4141,758879
50 GBgp3-baseline2,017±0.2%15.86±0.2%22.18±0.4%24.68±0.1%17,4451,009504