Answer
It runs controllers like Deployment, ReplicaSet, Node lifecycle, Job, and HPA to maintain desired state.
Quick Answer
kube-controller-manager runs all the core controllers — Node controller (detects node failures), ReplicaSet controller (maintains Pod counts), Deployment controller (manages rolling updates), Endpoint controller (updates Service endpoints), and many more. Each controller watches relevant resources and takes action to maintain desired state.
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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