Spending a lot of time to find the best memory-optimized instance but also it should have amd64 as architecture because the current version of EKS is not well compatible with arm64 cpu architecture.

The happy day came when i visited the home page of this software :

aws/amazon-ec2-instance-selector

A CLI tool and go library which recommends instance types based on resource criteria like vcpus and memory. There are…

github.com

 
ec2-instance-selector  --memory 16  --vcpus 4 --cpu-architecture amd64  -r ap-southeast-1

Amazing !