Where does a new Pod run? How the Scheduler decides and hands off
A new replica stays Pending while the CPU sits idle. Break down the Scheduler's filtering, scoring, and assignment to find what is blocking it.
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Hands-on: reproduce an unschedulable Pod in kind and test five fixes
Build the "idle CPU, but the new replica is Pending" state in a throwaway local cluster, read FailedScheduling, then see where each fix sends the Pod.
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