What will happen if I adjust hte cgroup parameter when the pod has been assigned to a resource request/limit

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I want to ask if I change the CPU and memory size of a Pod at runtime, will it be detected by kubelet and forced to return to the set limit and request?

That is, if I set the both of CPU limit and request to 1000m, and I change pod’s CPU resource to 500m through cgroup at runtime, will this be forced back to 1000m by some mechanism of K8s?

Thanks a lot!