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KEP-5554keps/sig-node/5554-in-place-update-pod-resources-alongside-static-cpu-manager-policy

In-place Update Pod Resources alongside Static CPU Manager Policy

implementablealphasig-nodelatest v1.38
<!-- This section is incredibly important for producing high-quality, user-focused documentation such as release notes or a development roadmap. It should be possible to collect this information before implementation begins, in order to avoid requiring implementors to split their attention between writing release notes and implementing the feature itself. KE… Full summary

<!-- This section is incredibly important for producing high-quality, user-focused documentation such as release notes or a development roadmap. It should be possible to collect this information before implementation begins, in order to avoid requiring implementors to split their attention between writing release notes and implementing the feature itself. KEP editors and SIG Docs should help to ensure that the tone and content of the Summary section is useful for a wide audience. A good summary is probably at least a paragraph in length. --> This proposal enhances KEP-1287 (In-place Resource Resize) and KEP-3570 (CPU Manager) features to support In-place cpu resource resizing of Pods with Guaranteed Quality of Service (QoS) class if all four following conditions are satisfied: * In-place Resource Resize is enabled. * Static CPU management policy is enabled. * Topology manager policies can be adhered to. * CPUs allocated upon creation of Guaranteed QoS pods are maintained.

Facts

Authors
@esotsal
PRR approvers
@deads2kalpha
Tracking issue
#5554(opens GitHub in a new tab) openmilestone v1.38sig/nodestage/alphatracked/yeslead-opted-in
Milestones
alpha v1.38beta v1.39stable v1.40
Participating SIGs
none
Feature gates
InPlacePodVerticalScalingExclusiveCPUs
Created / last updated
2025-09-21 / none
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