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This change expands the documentation to clarify how node health timing behavior can be tuned and where the relevant configuration knobs are defined.

Specifically, the documentation now includes references and explanations for:

  • Configuring the kubelet’s periodic Node .status update interval via nodeStatusUpdateFrequency
  • Adjusting node health detection timeouts in the node controller using node-monitor-period and node-monitor-grace-period
  • Understanding the role of Node Leases as the primary node liveness signal in modern Kubernetes clusters
  • How these mechanisms interact in the node controller when determining node readiness and triggering eviction behaviour

The added references point to authoritative Kubernetes documentation and avoid hard-coding default values that may change over time. This provides readers with clearer guidance on how to customize node health behavior for different cluster sizes and workloads.

Issue #52516

@k8s-ci-robotk8s-ci-robot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. language/en Issues or PRs related to English language labels Jan 19, 2026
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@k8s-ci-robotk8s-ci-robot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Jan 19, 2026
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