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CKA study material · question 179 of 1000

A globalDefault PriorityClass is added to a cluster that already runs many Pods. What changes for them?

  1. Nothing; it applies only to Pods created afterwards
  2. Their priority is set to zero
  3. They are all repriced at the next sync
  4. They are evicted and recreated with the new priority
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Answer: A. Nothing; it applies only to Pods created afterwards

Adding a globalDefault PriorityClass does not change existing Pods; it applies to Pods created later.

Source: Pod Priority and Preemption (Kubernetes) — Notes about PodPriority and existing clusters

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