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CKA study material · question 844 of 1000

A namespace has a quota on ephemeral-storage, but a Pod consuming a great deal of scratch space is admitted anyway. What explains it?

  1. Quotas do not apply to ephemeral-storage
  2. emptyDir volumes are exempt from quota
  3. The Pod declares no ephemeral-storage limit, so the quota is not enforced for it
  4. Quotas apply only after the Pod exceeds its request
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Answer: C. The Pod declares no ephemeral-storage limit, so the quota is not enforced for it

For ephemeral-storage the quota bites only when the Pod also specifies a limit; without one the resource is simply not accounted for that Pod.

Source: Local ephemeral storage (Kubernetes) — Local ephemeral storage (overview)

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