How I Cut AWS Compute Costs by 70% with a Multi-Arch EKS Cluster and Karpenter

Faced with slow Kubernetes scaling and rising AWS bills, I replaced the Cluster Autoscaler with Karpenter, built a multi-architecture EKS cluster (AMD64 + ARM64) using Terraform, and shifted 70% of workloads to Spot Instances. The result: 70% lower com…


This content originally appeared on HackerNoon and was authored by Svetlana Burninova

Faced with slow Kubernetes scaling and rising AWS bills, I replaced the Cluster Autoscaler with Karpenter, built a multi-architecture EKS cluster (AMD64 + ARM64) using Terraform, and shifted 70% of workloads to Spot Instances. The result: 70% lower compute costs, sub-20-second scaling, and significantly better resource utilization in production.


This content originally appeared on HackerNoon and was authored by Svetlana Burninova


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Svetlana Burninova | Sciencx (2025-08-15T12:55:44+00:00) How I Cut AWS Compute Costs by 70% with a Multi-Arch EKS Cluster and Karpenter. Retrieved from https://www.scien.cx/2025/08/15/how-i-cut-aws-compute-costs-by-70-with-a-multi-arch-eks-cluster-and-karpenter/

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" » How I Cut AWS Compute Costs by 70% with a Multi-Arch EKS Cluster and Karpenter." Svetlana Burninova | Sciencx - Friday August 15, 2025, https://www.scien.cx/2025/08/15/how-i-cut-aws-compute-costs-by-70-with-a-multi-arch-eks-cluster-and-karpenter/
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» How I Cut AWS Compute Costs by 70% with a Multi-Arch EKS Cluster and Karpenter | Svetlana Burninova | Sciencx | https://www.scien.cx/2025/08/15/how-i-cut-aws-compute-costs-by-70-with-a-multi-arch-eks-cluster-and-karpenter/ |

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