Distinguish resource requests from limits and explain how each affects scheduling and runtime behavior.
Kubernetes cannot make good placement choices from invisible resource needs. The two promises A request is a scheduling promise: reserve this much capacity when placing the Pod. A limit is an enforcement promise: do not let this container use beyond this ceiling. They work together, but they answer different questions. The scheduler reads requests. The node runtime enforces limits. Why the distinction matters A missing request makes a Pod look smaller than it is. An oversized request wastes schedulable capacity. A missing limit may let a batch job crowd neighbors. A limit that is too tight can throttle CPU or…
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