QuestionQ3

DevOps Automation

How does the Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) Cluster Autoscaler decide when to create new nodes for an OKE cluster?

  • A When the CPU or memory utilization crosses a configured threshold.
  • B When the resource requests from pods exceed a configured threshold.
  • C When the custom metrics from the services exceed a configured threshold.
  • D When the rate of requests to the application crosses a configured threshold.
Explanation

OKE’s Kubernetes Cluster Autoscaler scales node pools according to pod resource requests. It adds nodes when a pod cannot be scheduled because the existing cluster has insufficient requested resources available; it does not use node CPU or memory utilization, custom service metrics, or application request rate as its node-creation trigger.

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