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Provide support on Windows for CPUManagerPolicy #125262
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kind/featureCategorizes issue or PR as related to a new feature.Categorizes issue or PR as related to a new feature.lifecycle/rottenDenotes an issue or PR that has aged beyond stale and will be auto-closed.Denotes an issue or PR that has aged beyond stale and will be auto-closed.needs-triageIndicates an issue or PR lacks a `triage/foo` label and requires one.Indicates an issue or PR lacks a `triage/foo` label and requires one.priority/important-soonMust be staffed and worked on either currently, or very soon, ideally in time for the next release.Must be staffed and worked on either currently, or very soon, ideally in time for the next release.sig/nodeCategorizes an issue or PR as relevant to SIG Node.Categorizes an issue or PR as relevant to SIG Node.sig/windowsCategorizes an issue or PR as relevant to SIG Windows.Categorizes an issue or PR as relevant to SIG Windows.
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What would you like to be added?
Add support for CPU and memory affinity on windows by enabling the cpu, memory and topology managers for Windows, which are currently not enabled: https://github.com/kubernetes/kubernetes/blob/f386b4cd4a879e8e7c4c255900a755bd0a61f8f0/pkg/kubelet/cm/topologymanager/fake_topology_manager.go#
Why is this needed?
Low latency workloads cohosted on the same nodes in Windows Server show noisy neighbor behavior preventing them to achieve their performance goals. This feature is needed to add the necessary isolation to accomplish both high performance and cohosting efficiency.