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CKA study material · question 2 of 1000

A cluster needs more API server throughput. What is the supported way to add capacity?

  1. Increase the etcd quota so the API server caches more
  2. Move the API server onto a larger machine only
  3. Run more kube-apiserver instances behind a load balancer
  4. Run a second kube-scheduler alongside the API server
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Answer: C. Run more kube-apiserver instances behind a load balancer

kube-apiserver is designed to scale horizontally; extra instances share traffic through a load balancer.

Source: Cluster Architecture (Kubernetes) — Control plane components › kube-apiserver

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