eks-config-256.yaml

apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig

metadata:
  name: topology-study
  region: us-east-2
  version: "1.27"

# aws ec2 describe-instance-type-offerings --region us-east-1 --location-type availability-zone --filters "Name=instance-type,Values=c5a.4xlarge" --output text
availabilityZones: ["us-east-2a", "us-east-2b", "us-east-2c"]
managedNodeGroups:
  - name: workers
    availabilityZones: ["us-east-2a", "us-east-2b", "us-east-2c"]
    instanceType: c5a.4xlarge
    # Defaults to 80, this in GB. 80 is too small to support installing EFA
    volumeSize: 150
    # This will default to gp3 and you'll wait 30+ minutes and it will fail
    volumeType: gp2
    minSize: 256
    maxSize: 256
    # placement:
    #  groupName: performance-study
    labels: { "flux-operator": "true" }
    ssh:
      allow: true
      publicKeyPath: ~/.ssh/id_eks.pub