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Karpenter is a Kubernetes Node Autoscaler built for flexibility, performance, and simplicity.

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Karpenter improves the efficiency and cost of running workloads on Kubernetes clusters by:

  • Watching for pods that the Kubernetes scheduler has marked as unschedulable
  • Evaluating scheduling constraints (resource requests, nodeselectors, affinities, tolerations, and topology spread constraints) requested by the pods
  • Provisioning nodes that meet the requirements of the pods
  • Removing the nodes when the nodes are no longer needed

Come discuss Karpenter in the #karpenter channel in the Kubernetes slack!

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Karpenter is a Kubernetes Node Autoscaler built for flexibility, performance, and simplicity.

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