How Does Kubernetes Work?

4 years ago thenewstack.io

Summary: This is a summary of an article originally published by The New Stack. Read the full original article here →

The following post is an excerpt from The New Stack’s new eBook, “The State of the Kubernetes Ecosystem.” Each containerized workload should be capable of taking advantage of the resources exposed to it, including CPU cores, storage units and networks.

The controller-manager’s responsibility is to ensure that the cluster maintains the desired state of application all the time through a well-defined controller. A controller is a control loop that watches the shared state of the cluster through the apiserver and makes changes attempting to move the current state towards the desired state. The controller maintains the stable state of nodes and pods, by constantly monitoring the health of the cluster and the workloads deployed on that cluster.

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