Discussion
A Deployment declares 5 replicas and one node hosting 2 of them fails. How many pods will the controller create?
Answer: D
Correct answer: 2
The declared state is 5 replicas and 3 survive, so the controller creates the 2 that are missing - it reconciles the difference rather than recreating the whole set. Whether those 2 can actually be placed depends on capacity elsewhere in the cluster; without it they remain pending, which is why cluster autoscaling is usually paired with this behaviour.
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