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Kubernetes Doesn't Have a Cost Problem. Most Teams Have an Operations Problem.

vshosting 2026年08月19日 17:41 13 次阅读 来源:Dev.to

For years, Kubernetes has been marketed as the platform that solves infrastructure at scale. It automates deployments, recovers from failures, scales applications, and provides a consistent environment regardless of where workloads run. Yet talk to enough engineering teams, and you'll hear a very different story. "Our cloud bill doubled." "We're running twice as many worker nodes as expected." "Our platform team spends more time maintaining Kubernetes than improving it." The obvious conclusion is that Kubernetes is expensive. The more accurate conclusion is that most organizations are running Kubernetes inefficiently. After working with production environments across different industries, a pattern starts to emerge. Clusters rarely become expensive because of Kubernetes itself. They become expensive because of operational decisions that seem harmless in isolation but compound over time. Oversized resource requests. Poor workload scheduling. Underutilized nodes. Too many clusters. Autoscaling without proper observability. None of these are platform limitations. They're operational challenges. Kubernetes Is Surprisingly Efficient One misconception still persists: Kubernetes consumes too many resources. In reality, Kubernetes itself has a relatively small footprint. The real cost comes from the applications running inside it and, more importantly, from how those applications are configured. Consider a typical deployment: resources: requests: cpu: "2" memory: "4Gi" Nothing looks unusual here. The application starts, deployments succeed, and everything appears healthy. Then someone opens Grafana. Average CPU usage? 0.18 cores. Memory consumption? Less than 1 GB. The scheduler doesn't know that. It only knows what you've told it. If a pod requests two CPU cores, Kubernetes reserves two CPU cores when placing that workload. Even if the application spends most of its life almost idle, those resources remain unavailable for other workloads. Multiply that across hundreds of s

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