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Announcing Karpenter 1.0

Containers Blog

This article announces the release of Karpenter 1.0.0, an open-source Kubernetes cluster auto-scaling project.

Specifically, the article covers:

  • New features in Karpenter 1.0.0 release: enhanced disruption controls by reason, renamed consolidation policy WhenUnderutilized to WhenEmptyOrUnderutilized, consolidateAfter control for underutilized nodes, new disruption control terminationGracePeriod, required amiSelectorTerms, removed Ubuntu AMI family selection, restricted Instance Metadata Service access from containers by default, moved kubelet configuration to EC2NodeClass, made NodeClaims immutable, required all NodePool nodeClassRef fields, renamed apiVersion field to group, and changes in Prometheus metrics.
  • Migration path from beta to v1.0.0 version.
  • Conclusion highlighting new features and changes, and recommendations for testing the upgrade process.
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