Scaling Azure Kubernetes Service to 75,000 nodes for massive AI workloads (opens in new tab)

Microsoft is pushing the scaling boundaries of Azure Kubernetes Service (AKS) to support massive AI workloads for organizations like OpenAI and Anthropic. Some clusters now reach up to 75,000 nodes, far exceeding original industry recommendations of 100 nodes per cluster. To achieve this, engineers optimize the API server, etcd performance, and controller responsiveness while contributing these improvements back to the upstream Kubernetes project. <a href="