Answer
Controllers compare current vs desired state and create, delete, or update Pods accordingly.
Quick Answer
Desired state is what you declare (3 replicas, image v2, 2 CPU requests). Kubernetes controllers continuously compare this desired state to the actual state and take actions to close the gap. If a Pod crashes, the controller creates a new one. If you scale down, it deletes extras. Kubernetes is always converging toward your desired state.
S
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