r8g.large

Memory optimized · AWS Graviton4 (Arm)

PostgreSQL benchmark results for the r8g.large AWS EC2 instance with 2 vCPU, 16 GiB RAM, and arm64 architecture.

Compute

vCPU
2
Memory
16 GiB
Mem / vCPU
8 : 1

Platform

Family
r8g
Architecture
arm64
Performance
Fixed

Cost & region

On-demand
$0.1045/hr~$76/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 (~12 GB of 16 GiB): the dataset no longer fits in cache, so the working set spills to disk and throughput drops.

All results

6 of 6 rows
r8g.large PostgreSQL benchmark results
1 GBgp3-baseline38,531±1.6%304,7460.83±1.6%2.35±0.6%3.06±0.4%19,2662,408
10 GBgp3-baseline34,304±2.2%271,3150.93±2.2%2.46±1.2%3.22±1.4%17,1522,144
1 GBgp3-max39,039±0.6%148,1980.82±0.6%2.35±0.1%3.06±0.1%19,5192,440
10 GBgp3-max34,010±2.2%129,1060.94±2.2%2.48±1.1%3.23±1.0%17,0052,126
50 GBgp3-max18,789±0.2%71,3261.70±0.2%2.69±0.2%3.23±0.3%9,3951,174
50 GBgp3-baseline3,310±0.5%26,1839.67±0.5%15.07±0.1%17.91±0.7%1,655207