Enhancement Description

• One-line enhancement description (can be used as a release note): Integrating PSI metrics in K8s and using those to set node conditions.

• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/4205-psi-metric/README.md

• Discussion Link:

• Primary contact (assignee): @ndixita

• Responsible SIGs: sig-node

• Enhancement target (which target equals to which milestone):

  • Alpha release target (x.y): 1.33
  • Beta release target (x.y): 1.34
  • Stable release target (x.y): 1.36

• Alpha

  • KEP (k/enhancements) update PR(s):
    • 1.29: KEP-4205: KEP to add PSI metrics in Summary API, and for PSI based node actions #4230
    • 1.30: KEP-4025: several formatting fixes #4360
    • 1.30: KEP-4205: updating the milestone for alpha to 1.30 #4454
    • 1.32: 4205: retarget to 1.32 #4883
    • 1.33: 4205: bump to 1.33 #5111 KEP-4205: Update PSI KEP for 1.33 #5155
  • Code (k/k) update PR(s):
    • 1.32 vendor: bump runc/libcontainer to v1.2.1 kubernetes#128276
    • Runc 1.2.0 libct/cg/stats: support PSI for cgroup v2 opencontainers/runc#3900
    • Containerd 2.0 only(not included in v1.7 containerd) support psi containerd/cgroups#308
    • Cadvisor: Add Pressure Stall Information Metrics google/cadvisor#3649
    • Surface Pressure Stall Information (PSI) metrics kubernetes#130701
  • Docs (k/website) update PR(s): KEP 4205: draft PR for PSI KEP website#48468
    • KEP-4205: update for alpha release in 1.33 website#49895

• Beta 1.34

  • KEP (k/enhancements) update PR(s):
    • KEP-4205: Split the two phases into two KEPs and update Alpha and Beta requirements #5409
    • KEP-4205: add blurb about PSI performance on top of https://github.com/kubernetes/enhancements/pull/5409 #5427
  • Code (k/k) update PR(s):
    • Promote PSI metrics feature to beta kubernetes#132822
    • Extend E2E test coverage for PSI metrics under pressure kubernetes#132824
  • Docs (k/website) update(s):
    • Doc: Kubelet PSI metrics feature graduates to Beta website#51541
    • blog: Add blog post for PSI Metrics graduate to Beta website#51574

• Stable 1.36

  • KEP (k/enhancements) update PR(s):
    • KEP-4205: Graduate Expose PSI Metrics to GA #5605
  • Code (k/k) update PR(s):
    • [KEP 4205] GA the KubeletPSI FeatureGate kubernetes#136548
  • Docs (k/website) update(s):
    • Doc: Kubelet PSI metrics feature graduates to GA website#54328
    • [KEP 4205] Blog post for PSI metrics GA website#54709
    • https://docs.google.com/document/d/1ffv7pleid3uk0dT9euK5vkso41i9tscNoEVgeshfiCc/edit?usp=sharing&resourcekey=0-_xKPCU4zqiGU0e7Q8jDJRw

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