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Kubernetes 1.35's Numeric Taints: Spot Savings or Setup Headache?

Kubernetes finally lets you taint nodes with numbers. But after 20 years watching this circus, I'm asking: will it actually save you money on spots without breaking your cluster?

Kubernetes node taints with numeric thresholds and spot instance icons

⚡ Key Takeaways

  • v1.35 adds Gt/Lt toleration operators for numeric taints, fixing spot node scheduling gaps.
  • Tolerations > NodeAffinity for safety, eviction, ops—nodes declare risk, pods opt-in.
  • Prediction: Slashes custom scheduler needs, boosts spot adoption 30% in enterprises.
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Originally reported by Kubernetes Blog

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