What is the purpose of PriorityClass in Kubernetes and how does it affect pod scheduling and eviction?

Kubernetes Fundamentals Hard

Kubernetes Fundamentals — Hard

What is the purpose of PriorityClass in Kubernetes and how does it affect pod scheduling and eviction?

Key points

  • PriorityClass affects pod eviction during resource pressure
  • Numerical priority determines pod scheduling order
  • Higher-priority pods can preempt lower-priority ones
  • Kubelet evicts lower-priority pods first

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