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CKA study material · question 144 of 1000

A StatefulSet with RollingUpdate sets partition to 3. Which Pods are updated?

  1. All Pods, three at a time
  2. Pods with ordinals below 3
  3. Pods with ordinals 3 and above
  4. Only the Pod with ordinal 3
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Answer: C. Pods with ordinals 3 and above

A partition leaves Pods below that ordinal untouched, which is how a staged or canary update is done.

Source: StatefulSets (Kubernetes) — Partitioned rolling updates

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