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CKA study material · question 516 of 1000

With the default --node-eviction-rate of 0.1 per second, how quickly can the node controller start draining Pods from failed nodes?

  1. Ten nodes per second
  2. One node every ten seconds
  3. One Pod every ten seconds
  4. One node every ten minutes
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Answer: B. One node every ten seconds

The rate is expressed per second and applies to nodes, not Pods, so 0.1 per second means at most one node's Pods begin eviction every ten seconds.

Source: Nodes (Kubernetes) — Node controller › Rate limits on eviction

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