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MediumSystem designTechnical

A node has 8 allocatable CPUs and existing ordinary-container requests total 7.2. A pending Pod requests 0.7 for its app and 0.3 for a sidecar. Live CPU is 20%. Assume no init or Pod-level resource effects. Why can it remain Pending?

1Give yourself 5 minutes
2Answer out loud, not in your head
3Then compare with the answer below
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Reference answer

Then expect these follow-ups

  • How can lowering CPU requests unexpectedly change autoscaling?

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