Which Kubernetes component is responsible for managing the cluster state?etcdkube-apiserverkube-controller-managerkube-scheduler
Question
Which Kubernetes component is responsible for managing the cluster state?
etcd
kube-apiserver
kube-controller-manager
kube-scheduler
Solution
The Kubernetes component responsible for managing the cluster state is etcd.
Here's a brief explanation of the role of each component:
-
etcd: This is a consistent and highly-available key value store used as Kubernetes' backing store for all cluster data. It manages the cluster state.
-
kube-apiserver: This component exposes the Kubernetes API. It is the front-end for the Kubernetes control plane.
-
kube-controller-manager: This component runs controllers, which are the background threads that handle routine tasks in the cluster.
-
kube-scheduler: This component watches for newly created Pods with no assigned node, and selects a node for them to run on.
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