Kong Konnect Data Plane Node Autoscaling with Cluster Autoscaler on Amazon EKS 1.29

The blog post explores the implementation and functionality of the Kubernetes Cluster Autoscaler within the Amazon Elastic Kubernetes Service (EKS), focusing on its role in dynamically adjusting the cluster size based on resource needs and node utilization. It explains how the Cluster Autoscaler works in conjunction with Amazon EC2's Auto Scaling Groups and emphasizes the importance of using IAM Roles for Service Accounts (IRSA) to ensure the autoscaler has the necessary permissions to manage resources effectively. The post outlines the process of deploying the Cluster Autoscaler using Helm charts and describes the configuration steps, including setting up a Kubernetes Service Account and IAM Role. It highlights the limitations of using the Cluster Autoscaler when dealing with multiple Node Groups with different instance types, suggesting that a more adaptable solution like Karpenter may be more suitable for complex scaling scenarios, which will be covered in the next part of the series.

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