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kubernetesschedulingPractitioner

How Kubernetes Scheduling Actually Works

Every pod you deploy waits in a queue for the scheduler to find it a home. The kube-scheduler does this in two phases — filtering eliminates nodes that can't run the pod, scoring ranks the survivors. What trips teams up is assuming this is instant at scale.

  • Set resource requests accurately — the scheduler uses them, not actual usage
  • Use Pod Affinity to co-locate pods that talk to each other frequently
4 min read · Kubernetes DocsRead article

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