Answer
ReplicaSet maintains a set number of Pods; Deployments manage ReplicaSets.
Quick Answer
A ReplicaSet ensures a specified number of identical Pods are running at all times. You rarely create ReplicaSets directly — Deployments create and manage them for you. When you update a Deployment, it creates a new ReplicaSet for the new version and scales it up while scaling down the old one — enabling rolling updates.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ