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Ten teams share one cluster and one team's cron job ate every node. What enforces fairness mechanically?

Quotas are admission-time contracts counted in requests, not measured usage. That single sentence explains most quota outages, most quota confusion, and the reason LimitRange must sit beside every quota.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

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Next in this trackDesign a canary that promotes or rolls back itself based on metrics, with no human in the loop.Next in this trackWalk me through what the kubelet does between PodScheduled and a running container. Why do nodes flap NotReady while pods keep serving?Next in this trackEvery Kubernetes pod runs a pause container nobody deployed. Why does it exist?

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