Question

You maintain a Deployment running 6 replicas of a stateless web API. During your next release, the business requires that the application never drops below full capacity and that new Pods must be verified healthy before old Pods are removed. Which change to the Deployment's update strategy best satisfies this requirement?

Accepted Answer

Use the RollingUpdate strategy with maxUnavailable set to 0 and maxSurge set to a positive value

Answer

Use the Recreate strategy so all old Pods terminate before new ones start

Answer

Use the RollingUpdate strategy with maxSurge set to 0 and maxUnavailable set to 2

Answer

Set replicas to 12 temporarily and delete the old Pods manually after the rollout