Karpenter is an open-source node provisioning project built for Kubernetes. 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 or join the Karpenter working group bi-weekly calls. If you want to contribute to the Karpenter project, please refer to the Karpenter docs.

Check out the Docs to learn more.

Talks

• 03/19/2024 Harnessing Karpenter: Transforming Kubernetes Clusters with Argo Workflows
• 12/04/2023 AWS re:Invent 2023 - Harness the power of Karpenter to scale, optimize & upgrade Kubernetes
• 09/08/2022 Workload Consolidation with Karpenter
• 05/19/2022 Scaling K8s Nodes Without Breaking the Bank or Your Sanity
• 03/25/2022 Karpenter @ AWS Community Day 2022
• 12/20/2021 How To Auto-Scale Kubernetes Clusters With Karpenter
• 11/30/2021 Karpenter vs Kubernetes Cluster Autoscaler
• 11/19/2021 Karpenter @ Container Day
• 05/14/2021 Groupless Autoscaling with Karpenter @ Kubecon
• 05/04/2021 Karpenter @ Container Day