Pod Level Resources Support With In Place Pod Vertical Scaling

[ndixita]

Enhancement Description

• One-line enhancement description (can be used as a release note): Add support for in-place resizing of pod-level resources

• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/5419-pod-level-resources-in-place-resize/README.md

• Discussion Link: The original KEP Pod level resources #2837 is split to add support for In-place pod resources resize as a part of this KEP.

• PRs by stage and milestone:

  • Alpha - v1.35
    • KEP (k/enhancements) update PR(s):
      • Adding Alpha criteria for KEP to support IPPR & Pod Level Resources #5423
      • KEP-5419: Add non-goals, and risks and mitigations #5432
      • KEP-5419: Changing the milestone from 1.34 to 1.35 for alpha stage of In-Place Pod-Level Resources Resize KEP #5591
    • Code (k/k) update PR(s):
      • Pod level in place pod resize - alpha kubernetes#132919
    • Docs (k/website) update PR(s): Documentation updates for Pod Level In Place resize alpha website#52928

• Beta - v1.36

  • KEP (k/enhancements) update PR(s): KEP-5419: Update IPPR + PLR KEP milestone to Beta #5845
  • Code (k/k) update PR(s):
    • [InPlacePodVerticalScaling] Allow CRI (and NRI) to block pod-level resizes kubernetes#137555
    • Pod level in place pod resize - alpha kubernetes#132919
    • Cleanup: Ignore empty memory requests in Status Resources and improve coverage kubernetes#137796
    • Bug fix - consider status resources when computing total resources kubernetes#137683
    • Add test coverage to ensure that when PLR are checkpointed overhead is excluded from it kubernetes#137676
    • Clean up code to consolidate similar types kubernetes#137154
    • [InPlacePodLevelResourcesVerticalScaling] Ippr flaky test kubernetes#137866
    • [InPlacePodLevelResourcesVerticalScaling] Plr ippr kubelet bug fixes kubernetes#137876
    • [PodLevelResources] Graduate InPlacePodLevelResourcesVerticalScaling feature to beta kubernetes#137684
  • Docs (k/website) update(s): Documentation updates for Pod Level In Place resize Beta website#54552

• Stable - 1.37

  • [Flaking Test] [sig-node] PLR Pod InPlace Resize [FeatureGate:InPlacePodLevelResourcesVerticalScaling] [Alpha] [Feature:OffByDefault] PLR guaranteed qos - 1 container with resize policy kubernetes#136538
  • Failure cluster [03b09a06...] InPlacePodLevelResourcesVerticalScaling failing on alpha job kubernetes#136078

Please keep this description up to date. This will help the Enhancement Team to track the evolution of the enhancement efficiently.

[ndixita]

/stage alpha
/sig node

[ndixita]

/assign

[mrunalp]

/label lead-opted-in

[mrunalp]

/milestone v1.34