KEP-4205keps/sig-node/4205-psi-metric

Expose PSI Metrics

implementedstablesig-nodelatest v1.36

KEP on GitHub kep.yaml Ask about this KEP

This KEP proposes adding support in kubelet to read Pressure Stall Information (PSI) metric pertaining to CPU, Memory and IO resources exposed from cAdvisor and runc.

Facts

Authors: @roycaihw @dragoncell @ndixita
Approvers: @sig-node-leads
Reviewers: @mrunalp @haircommander @porterdavid @rphillips
PRR approvers: @johnbelamaricalpha@johnbelamaricbeta@johnbelamaricstable
Tracking issue: #4205(opens GitHub in a new tab) closedcompletedclosed 2026-05-04 17:12 UTCmilestone v1.36sig/nodestage/stable
Milestones: alpha v1.33beta v1.34stable v1.36
Participating SIGs: none
Feature gates: KubeletPSI
Created / last updated: 2023-05-25 / none

Who decided each state, with the evidence.
Decided	Decision	Deciders	Evidence
2023-09-19 00:47 UTC	prr_approval johnbelamaric gave the production readiness approval for KEP-4205 at alpha on 2023-09-19.	@johnbelamaric prr_approver	Document 4205.yaml(opens GitHub in a new tab)
2023-10-05 23:18 UTC	stage_graduation KEP-4205 set milestone.alpha to v1.29 in PR #4230, approved by mrunalp, johnbelamaric; merged by automation (k8s-ci-robot) on 2023-10-05.	@mrunalp approver @johnbelamaric approve_command @johnbelamaric lgtm @ndixita author @tzneal lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@024d4d5063966cb2d5809c4feacf86a763a0dea0(opens GitHub in a new tab) StatusChange milestone.alpha ∅ → v1.29 (2023-09-19)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4230 KEP-4205: KEP design to integrate PSI metrics in Summary API, and for PSI based node actions(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/1660848609(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/1749780745(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/1749729949(opens GitHub in a new tab)
2023-10-05 23:18 UTC	stage_graduation KEP-4205 graduated to alpha in PR #4230, approved by mrunalp, johnbelamaric; merged by automation (k8s-ci-robot) on 2023-10-05.	@mrunalp approver @johnbelamaric approve_command @johnbelamaric lgtm @ndixita author @tzneal lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@024d4d5063966cb2d5809c4feacf86a763a0dea0(opens GitHub in a new tab) StatusChange stage ∅ → alpha (2023-09-19)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4230 KEP-4205: KEP design to integrate PSI metrics in Summary API, and for PSI based node actions(opens GitHub in a new tab)
2023-10-05 23:18 UTC	status_transition KEP-4205 status set to implementable in PR #4230, approved by mrunalp, johnbelamaric; merged by automation (k8s-ci-robot) on 2023-10-05.	@mrunalp approver @johnbelamaric approve_command @johnbelamaric lgtm @ndixita author @tzneal lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@024d4d5063966cb2d5809c4feacf86a763a0dea0(opens GitHub in a new tab) StatusChange status ∅ → implementable (2023-09-19)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4230 KEP-4205: KEP design to integrate PSI metrics in Summary API, and for PSI based node actions
2024-02-03 17:54 UTC	milestone_retarget KEP-4205 latest-milestone moved from v1.29 to v1.30 in PR #4454, approved by mrunalp; merged by automation (k8s-ci-robot) on 2024-02-03.	@kannon92 lgtm @mrunalp approver @mrunalp lgtm @ndixita author @k8s-ci-robot merger	Commit kubernetes/enhancements@640ae5834db0411e5ce622d0d95a0c378606f8c0(opens GitHub in a new tab) StatusChange latest_milestone v1.29 → v1.30 (2024-01-29)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4454 KEP-4205: updating the milestone for alpha to 1.30(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/1861096925
2024-02-03 17:54 UTC	milestone_retarget KEP-4205 milestone.alpha moved from v1.29 to v1.30 in PR #4454, approved by mrunalp; merged by automation (k8s-ci-robot) on 2024-02-03.	@kannon92 lgtm @mrunalp approver @mrunalp lgtm @ndixita author @k8s-ci-robot merger	Commit kubernetes/enhancements@640ae5834db0411e5ce622d0d95a0c378606f8c0(opens GitHub in a new tab) StatusChange milestone.alpha v1.29 → v1.30 (2024-01-29)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4454 KEP-4205: updating the milestone for alpha to 1.30(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/1861096925
2024-09-30 17:16 UTC	milestone_retarget KEP-4205 latest-milestone moved from v1.30 to v1.32 in PR #4883, approved by mrunalp; merged by automation (k8s-ci-robot) on 2024-09-30.	@mrunalp approver @mrunalp lgtm @haircommander author @k8s-ci-robot merger	Commit kubernetes/enhancements@bbc975c78f0698e46a855abb5f5edaa549fa91ee(opens GitHub in a new tab) StatusChange latest_milestone v1.30 → v1.32 (2024-09-30)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4883 4205: retarget to 1.32(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/2338169035
2024-09-30 17:16 UTC	milestone_retarget KEP-4205 milestone.alpha moved from v1.30 to v1.32 in PR #4883, approved by mrunalp; merged by automation (k8s-ci-robot) on 2024-09-30.	@mrunalp approver @mrunalp lgtm @haircommander author @k8s-ci-robot merger	Commit kubernetes/enhancements@bbc975c78f0698e46a855abb5f5edaa549fa91ee(opens GitHub in a new tab) StatusChange milestone.alpha v1.30 → v1.32 (2024-09-30)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4883 4205: retarget to 1.32(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/2338169035
2025-02-05 22:44 UTC	milestone_retarget KEP-4205 latest-milestone moved from v1.32 to v1.33 in PR #5111, approved by mrunalp, johnbelamaric; merged by automation (k8s-ci-robot) on 2025-02-05.	@kannon92 lgtm @mrunalp approver @haircommander author @johnbelamaric approve_command @k8s-ci-robot merger	Commit kubernetes/enhancements@d052c579416b6867b62d0294e7ea7760a54c98d7(opens GitHub in a new tab) StatusChange latest_milestone v1.32 → v1.33 (2025-01-30)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5111 4205: bump to 1.33(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/2587329023
2025-02-07 16:03 UTC	milestone_retarget KEP-4205 milestone.alpha moved from v1.32 to v1.33 in PR #5155, approved by mrunalp; merged by automation (k8s-ci-robot) on 2025-02-07.	@kannon92 author @mrunalp approver @haircommander lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@0553fa63776f8326e7c6e3a97e063423653148b3(opens GitHub in a new tab) StatusChange milestone.alpha v1.32 → v1.33 (2025-02-07)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5155 KEP-4205: Update PSI KEP for 1.33(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/2602143806
2025-06-17 00:10 UTC	prr_approval johnbelamaric gave the production readiness approval for KEP-4205 at beta on 2025-06-17.	@johnbelamaric prr_approver	Document 4205.yaml(opens GitHub in a new tab)
2025-06-20 18:26 UTC	milestone_retarget KEP-4205 latest-milestone moved from v1.33 to v1.34 in PR #5409, approved by mrunalp, deads2k; merged by automation (k8s-ci-robot) on 2025-06-20.	@mrunalp approver @haircommander lgtm @deads2k approve_command @roycaihw author @k8s-ci-robot merger	Commit kubernetes/enhancements@ec090f094407e27476aed772652a827e9d772588(opens GitHub in a new tab) StatusChange latest_milestone v1.33 → v1.34 (2025-06-17)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5409 KEP-4205: Split the two phases into two KEPs and update Alpha and Beta requirements(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/2946998101
2025-06-20 18:26 UTC	stage_graduation KEP-4205 set milestone.beta to v1.34 in PR #5409, approved by mrunalp, deads2k; merged by automation (k8s-ci-robot) on 2025-06-20.	@mrunalp approver @haircommander lgtm @deads2k approve_command @roycaihw author @k8s-ci-robot merger	Commit kubernetes/enhancements@ec090f094407e27476aed772652a827e9d772588(opens GitHub in a new tab) StatusChange milestone.beta ∅ → v1.34 (2025-06-17)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5409 KEP-4205: Split the two phases into two KEPs and update Alpha and Beta requirements(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/2946998101
2025-06-20 18:26 UTC	stage_graduation KEP-4205 graduated to beta from alpha in PR #5409, approved by mrunalp, deads2k; merged by automation (k8s-ci-robot) on 2025-06-20.	@mrunalp approver @haircommander lgtm @deads2k approve_command @roycaihw author @k8s-ci-robot merger	Commit kubernetes/enhancements@ec090f094407e27476aed772652a827e9d772588(opens GitHub in a new tab) StatusChange stage alpha → beta (2025-06-17)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5409 KEP-4205: Split the two phases into two KEPs and update Alpha and Beta requirements(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/2946998101
2025-10-07 18:04 UTC	prr_approval johnbelamaric gave the production readiness approval for KEP-4205 at stable on 2025-10-07.	@johnbelamaric prr_approver	Document 4205.yaml(opens GitHub in a new tab)
2026-02-09 21:33 UTC	milestone_retarget KEP-4205 latest-milestone moved from v1.34 to v1.35 in PR #5605, approved by haircommander, johnbelamaric; merged by automation (k8s-ci-robot) on 2026-02-09.	@haircommander approver @haircommander approve_command @johnbelamaric approve_command @johnbelamaric lgtm @k8s-ci-robot merger @mariafromano-25 author	Commit kubernetes/enhancements@154c1d4cfae41b9d08345724882d932e47721a38(opens GitHub in a new tab) StatusChange latest_milestone v1.34 → v1.35 (2025-10-02)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5605 KEP-4205: Graduate Expose PSI Metrics to GA
2026-02-09 21:33 UTC	milestone_retarget KEP-4205 latest-milestone moved from v1.35 to v1.36 in PR #5605, approved by haircommander, johnbelamaric; merged by automation (k8s-ci-robot) on 2026-02-09.	@haircommander approver @haircommander approve_command @johnbelamaric approve_command @johnbelamaric lgtm @k8s-ci-robot merger @mariafromano-25 author	Commit kubernetes/enhancements@b7d1c147f510f3b7c4cf27121ca10b70d634dbde(opens GitHub in a new tab) StatusChange latest_milestone v1.35 → v1.36 (2026-01-23)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5605 KEP-4205: Graduate Expose PSI Metrics to GA
2026-02-09 21:33 UTC	milestone_retarget KEP-4205 milestone.stable moved from v1.35 to v1.36 in PR #5605, approved by haircommander, johnbelamaric; merged by automation (k8s-ci-robot) on 2026-02-09.	@haircommander approver @haircommander approve_command @johnbelamaric approve_command @johnbelamaric lgtm @k8s-ci-robot merger @mariafromano-25 author	Commit kubernetes/enhancements@15dfa9e86add6d885689d480759638f2a0523276(opens GitHub in a new tab) StatusChange milestone.stable v1.35 → v1.36 (2025-10-07)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5605 KEP-4205: Graduate Expose PSI Metrics to GA
2026-02-09 21:33 UTC	stage_graduation KEP-4205 set milestone.stable to v1.35 in PR #5605, approved by haircommander, johnbelamaric; merged by automation (k8s-ci-robot) on 2026-02-09.	@haircommander approver @haircommander approve_command @johnbelamaric approve_command @johnbelamaric lgtm @k8s-ci-robot merger @mariafromano-25 author	Commit kubernetes/enhancements@154c1d4cfae41b9d08345724882d932e47721a38(opens GitHub in a new tab) StatusChange milestone.stable ∅ → v1.35 (2025-10-02)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5605 KEP-4205: Graduate Expose PSI Metrics to GA
2026-02-09 21:33 UTC	stage_graduation KEP-4205 graduated to stable from beta in PR #5605, approved by haircommander, johnbelamaric; merged by automation (k8s-ci-robot) on 2026-02-09.	@haircommander approver @haircommander approve_command @johnbelamaric approve_command @johnbelamaric lgtm @k8s-ci-robot merger @mariafromano-25 author	Commit kubernetes/enhancements@154c1d4cfae41b9d08345724882d932e47721a38(opens GitHub in a new tab) StatusChange stage beta → stable (2025-10-02)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#5605 KEP-4205: Graduate Expose PSI Metrics to GA
2026-05-04 17:12 UTC	milestone_retarget KEP-4205 latest-milestone moved from v1.34 to v1.36 in PR #6043, approved by haircommander; merged by automation (k8s-ci-robot) on 2026-05-04.	@haircommander approve_command @haircommander lgtm @k8s-ci-robot merger @mariafromano-25 author	Commit kubernetes/enhancements@1c43a3872bcfb85fa80d2b99063c3281d78cd7a6(opens GitHub in a new tab) StatusChange latest_milestone v1.34 → v1.36 (2026-04-29)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#6043 [KEP 4205]: update KEP 4205 to implemented (GA graduation)(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/4372934760
2026-05-04 17:12 UTC	stage_graduation KEP-4205 set milestone.stable to v1.36 in PR #6043, approved by haircommander; merged by automation (k8s-ci-robot) on 2026-05-04.	@haircommander approve_command @haircommander lgtm @k8s-ci-robot merger @mariafromano-25 author	Commit kubernetes/enhancements@1c43a3872bcfb85fa80d2b99063c3281d78cd7a6(opens GitHub in a new tab) StatusChange milestone.stable ∅ → v1.36 (2026-04-29)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#6043 [KEP 4205]: update KEP 4205 to implemented (GA graduation)(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/4372934760
2026-05-04 17:12 UTC	stage_graduation KEP-4205 graduated to stable from beta in PR #6043, approved by haircommander; merged by automation (k8s-ci-robot) on 2026-05-04.	@haircommander approve_command @haircommander lgtm @k8s-ci-robot merger @mariafromano-25 author	Commit kubernetes/enhancements@1c43a3872bcfb85fa80d2b99063c3281d78cd7a6(opens GitHub in a new tab) StatusChange stage beta → stable (2026-04-29)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#6043 [KEP 4205]: update KEP 4205 to implemented (GA graduation)(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/4372934760
2026-05-04 17:12 UTC	status_transition KEP-4205 status changed from implementable to implemented in PR #6043, approved by haircommander; merged by automation (k8s-ci-robot) on 2026-05-04.	@haircommander approve_command @haircommander lgtm @k8s-ci-robot merger @mariafromano-25 author	Commit kubernetes/enhancements@1c43a3872bcfb85fa80d2b99063c3281d78cd7a6(opens GitHub in a new tab) StatusChange status implementable → implemented (2026-04-29)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#6043 [KEP 4205]: update KEP 4205 to implemented (GA graduation)(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/4372934760

Metadata, label and milestone changes, oldest first.Showing 1–10 of 84Rows

Status history
At	Kind	Field	Change	Actor	Evidence
2023-09-11 22:50 UTC	label	needs-sig added	none → needs-sig	@k8s-ci-robot	source(opens GitHub in a new tab)
2023-09-14 08:35 UTC	label	sig/node added	none → sig/node	@k8s-ci-robot	source

Relationships as stored, Person → KEP, from kep.yaml(opens GitHub in a new tab)
Person	Relationship
@roycaihw GitHub(opens GitHub in a new tab)	—AUTHORED→
@dragoncell GitHub(opens GitHub in a new tab)	—AUTHORED→
@ndixita GitHub(opens GitHub in a new tab)	—AUTHORED→
@mrunalp GitHub

How they connect

Shortest paths in the graph between this KEP and its SIG or one of its people, up to four hops.

Impact of change

Rows returned by the tool
Kep	Depth	Reached	By hop	Open pull requests	Hop	Feature gates	Sigs	People	Keps
{ "label": "KEP", "key": "keps/sig-node/4205-psi-metric", "title": "Expose PSI Metrics", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4205-psi-metric", "evidence_id": "nicyhuv5gmv4", "number": 4205, "owning_sig": "sig-node", "status": "implemented", "stage": "stable", "latest_milestone": "v1.36", "milestone_alpha": "v1.33", "milestone_beta": "v1.34", "milestone_stable": "v1.36", "creation_date": "2023-05-25", "metadata_invalid": false }	2	8	{ "1": { "feature_gates": 2, "sigs": 1, "people": 4 }, "2": { "keps": 1 } }	not in graph (merged pull requests only)	none	none	none	none	none
none	none	none	none	none	1	[ { "label": "FeatureGate", "key": "KubeletPSI", "title": "KubeletPSI", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4205-psi-metric/kep.yaml", "evidence_id": "6oeqvsxdvarq", "name": "KubeletPSI" }, { "label": "FeatureGate", "key": "PSINodeCondition", "title": "PSINodeCondition", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/5394-psi-node-conditions/kep.yaml", "evidence_id": "vxhwzuougkz7", "name": "PSINodeCondition" } ]	[ { "label": "SIG", "key": "sig-node", "title": "Node", "url": "https://github.com/kubernetes/community/tree/440e496d3a172234d81728df1bfe43849b589adf/sig-node", "evidence_id": "nrsuxu2xcxa7", "display_name": "Node", "sig_label": "node", "in_scope": true } ]	[ { "label": "Person", "key": "roycaihw", "title": "roycaihw", "url": "https://github.com/roycaihw", "evidence_id": "3ypbugygmk4m", "login": "roycaihw", "is_bot": false }, { "label": "Person", "key": "dragoncell", "title": "dragoncell", "url": "https://github.com/dragoncell", "evidence_id": "kk4igqvz4v5w", "login": "dragoncell", "is_bot": false }, { "label": "Person", "key": "ndixita", "title": "ndixita", "url": "https://github.com/ndixita", "evidence_id": "5fsm4q3w57ff", "login": "ndixita", "is_bot": false }, { "label": "Person", "key": "sig-node-leads", "title": "sig-node-leads", "url": "https://github.com/sig-node-leads", "evidence_id": "snb7ksiayvx5", "login": "sig-node-leads", "is_bot": false } ]	none
none	none	none	none	none	2	none	none	none	[ { "label": "KEP", "key": "keps/sig-node/5394-psi-node-conditions", "title": "PSI based Node Conditions", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/5394-psi-node-conditions", "evidence_id": "c6bypbg2zjqc", "number": 5394, "owning_sig": "sig-node", "status": "implementable", "stage": "alpha", "latest_milestone": "v1.36", "milestone_alpha": "v1.36", "creation_date": "2025-06-11", "metadata_invalid": false } ]

Rows returned by the tool
Kep	Depth	Reached	By hop	Open pull requests	Hop	Feature gates	Sigs	People	Keps
{ "label": "KEP", "key": "keps/sig-node/4205-psi-metric", "title": "Expose PSI Metrics", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4205-psi-metric", "evidence_id": "nicyhuv5gmv4", "number": 4205, "owning_sig": "sig-node", "status": "implemented", "stage": "stable", "latest_milestone": "v1.36", "milestone_alpha": "v1.33", "milestone_beta": "v1.34", "milestone_stable": "v1.36", "creation_date": "2023-05-25", "metadata_invalid": false }	2	8	{ "1": { "feature_gates": 2, "sigs": 1, "people": 4 }, "2": { "keps": 1 } }	not in graph (merged pull requests only)	none	none	none	none	none
none	none	none	none	none	1	[ { "label": "FeatureGate", "key": "KubeletPSI", "title": "KubeletPSI", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4205-psi-metric/kep.yaml", "evidence_id": "6oeqvsxdvarq", "name": "KubeletPSI" }, { "label": "FeatureGate", "key": "PSINodeCondition", "title": "PSINodeCondition", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/5394-psi-node-conditions/kep.yaml", "evidence_id": "vxhwzuougkz7", "name": "PSINodeCondition" } ]	[ { "label": "SIG", "key": "sig-node", "title": "Node", "url": "https://github.com/kubernetes/community/tree/440e496d3a172234d81728df1bfe43849b589adf/sig-node", "evidence_id": "nrsuxu2xcxa7", "display_name": "Node", "sig_label": "node", "in_scope": true } ]	[ { "label": "Person", "key": "roycaihw", "title": "roycaihw", "url": "https://github.com/roycaihw", "evidence_id": "3ypbugygmk4m", "login": "roycaihw", "is_bot": false }, { "label": "Person", "key": "dragoncell", "title": "dragoncell", "url": "https://github.com/dragoncell", "evidence_id": "kk4igqvz4v5w", "login": "dragoncell", "is_bot": false }, { "label": "Person", "key": "ndixita", "title": "ndixita", "url": "https://github.com/ndixita", "evidence_id": "5fsm4q3w57ff", "login": "ndixita", "is_bot": false }, { "label": "Person", "key": "sig-node-leads", "title": "sig-node-leads", "url": "https://github.com/sig-node-leads", "evidence_id": "snb7ksiayvx5", "login": "sig-node-leads", "is_bot": false } ]	none
none	none	none	none	none	2	none	none	none	[ { "label": "KEP", "key": "keps/sig-node/5394-psi-node-conditions", "title": "PSI based Node Conditions", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/5394-psi-node-conditions", "evidence_id": "c6bypbg2zjqc", "number": 5394, "owning_sig": "sig-node", "status": "implementable", "stage": "alpha", "latest_milestone": "v1.36", "milestone_alpha": "v1.36", "creation_date": "2025-06-11", "metadata_invalid": false } ]

Kep

Depth

Reached

By hop

Open pull requests

Hop

Feature gates

Sigs

People

Keps

{
  "label": "KEP",
  "key": "keps/sig-node/4205-psi-metric",
  "title": "Expose PSI Metrics",
  "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4205-psi-metric",
  "evidence_id": "nicyhuv5gmv4",
  "number": 4205,
  "owning_sig": "sig-node",
  "status": "implemented",
  "stage": "stable",
  "latest_milestone": "v1.36",
  "milestone_alpha": "v1.33",
  "milestone_beta": "v1.34",
  "milestone_stable": "v1.36",
  "creation_date": "2023-05-25",
  "metadata_invalid": false
}

{
  "1": {
    "feature_gates": 2,
    "sigs": 1,
    "people": 4
  },
  "2": {
    "keps": 1
  }
}

not in graph (merged pull requests only)

[
  {
    "label": "FeatureGate",
    "key": "KubeletPSI",
    "title": "KubeletPSI",
    "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4205-psi-metric/kep.yaml",
    "evidence_id": "6oeqvsxdvarq",
    "name": "KubeletPSI"
  },
  {
    "label": "FeatureGate",
    "key": "PSINodeCondition",
    "title": "PSINodeCondition",
    "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/5394-psi-node-conditions/kep.yaml",
    "evidence_id": "vxhwzuougkz7",
    "name": "PSINodeCondition"
  }
]

[
  {
    "label": "SIG",
    "key": "sig-node",
    "title": "Node",
    "url": "https://github.com/kubernetes/community/tree/440e496d3a172234d81728df1bfe43849b589adf/sig-node",
    "evidence_id": "nrsuxu2xcxa7",
    "display_name": "Node",
    "sig_label": "node",
    "in_scope": true
  }
]

[
  {
    "label": "Person",
    "key": "roycaihw",
    "title": "roycaihw",
    "url": "https://github.com/roycaihw",
    "evidence_id": "3ypbugygmk4m",
    "login": "roycaihw",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "dragoncell",
    "title": "dragoncell",
    "url": "https://github.com/dragoncell",
    "evidence_id": "kk4igqvz4v5w",
    "login": "dragoncell",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "ndixita",
    "title": "ndixita",
    "url": "https://github.com/ndixita",
    "evidence_id": "5fsm4q3w57ff",
    "login": "ndixita",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "sig-node-leads",
    "title": "sig-node-leads",
    "url": "https://github.com/sig-node-leads",
    "evidence_id": "snb7ksiayvx5",
    "login": "sig-node-leads",
    "is_bot": false
  }
]

[
  {
    "label": "KEP",
    "key": "keps/sig-node/5394-psi-node-conditions",
    "title": "PSI based Node Conditions",
    "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/5394-psi-node-conditions",
    "evidence_id": "c6bypbg2zjqc",
    "number": 5394,
    "owning_sig": "sig-node",
    "status": "implementable",
    "stage": "alpha",
    "latest_milestone": "v1.36",
    "milestone_alpha": "v1.36",
    "creation_date": "2025-06-11",
    "metadata_invalid": false
  }
]

MATCH (k:KEP {key: $key}) RETURN k LIMIT 1 ; MATCH (k:KEP {key: $key}) MATCH path = (k)-[:REPLACES|SUPERSEDED_BY|SEE_ALSO|GATED_BY*1..2]-(n) WHERE n <> k AND (n:KEP OR n:FeatureGate) AND all(x IN nodes(path)[1..-1] WHERE x <> k AND (x:KEP OR (x:FeatureGate AND NOT x.key IN $placeholders))) WITH n, path ORDER BY length(path), [x IN nodes(path) | x.key] WITH n, collect(path)[0] AS path RETURN n AS node, length(path) AS hop, path ORDER BY hop, n.key LIMIT 150 ; UNWIND $keys AS kk MATCH (k:KEP {key: kk}) RETURN k.key AS kep, [(k)-[r_0:OWNED_BY]->(s_0:SIG) WHERE coalesce(r_0.valid_to, $open) = $open | s_0] AS sigs, [(p_1:Person)-[r_1:AUTHORED]->(k) WHERE coalesce(r_1.valid_to, $open) = $open AND coalesce(p_1.is_bot, false) = false | p_1] AS authors, [(p_2:Person)-[r_2:APPROVES]->(k) WHERE coalesce(r_2.valid_to, $open) = $open AND coalesce(p_2.is_bot, false) = false | p_2] AS approvers, [(k)-[r_3:TRACKED_BY]->(i_3:Issue) WHERE coalesce(r_3.valid_to, $open) = $open AND i_3.state = 'open' | i_3] AS open_issues LIMIT 200

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