3rd qn-: Deployment is a Blueprint for POD. We can Rolling Updates and Rollback Updates with deployment. Replica Set -: We can maintain A desired States Statefulset: we can maintain a desired name of pad and Maintaining a state of users
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pod ip will change even you are using statefulset . regardless of amount of restarts, pod is assigned with the same DNS name. Note, IP addresses might be still different, so consumers should depend on DNS name (or watch for changes and update internal cache) Storage Identity: the same Network Identity always receives the same instance of Storage, regardless of which node it’s rescheduled on.
really very very useful K8 stuff. if you dont mind small advise is to resist or refrain using "SEE" word everytime. this is absolutely ok with our indian interviewers but eu/usa guys dont like this. as i personally faced and got feedback later. anyways thank you very much buddy