PreQueueingHint Extension Point for Scheduler Event Processing
needs-sig
### Enhancement Description
- One-line enhancement description (can be used as a release note): Add PreQueueingHintFn extension point to
the scheduling framework, allowing plugins to narrow the set of pods evaluated on cluster events from O(N)
to O(1).
- Kubernetes Enhancement Proposal:
https://github.com/kubernetes/enhancements/tree/master/keps/sig-scheduling/NNNN-prequeueing-hints
- Discussion Link: https://github.com/kubernetes/kubernetes/pull/138531#discussion_r3181733527
- PRs by stage and milestone:
- [ ] Alpha - v1.37
- [ ] KEP (`k/enhancements`) update PR(s):
- [ ] Code (`k/k`) update PR(s): https://github.com/kubernetes/kubernetes/pull/138916
- [ ] Docs (`k/website`) update PR(s):
<!-- Uncomment these as you prepare the enhancement for the next stage
- [ ] Beta - v1.38
- [ ] KEP (`k/enhancements`) update PR(s):
- [ ] Code (`k/k`) update PR(s):
- [ ] Docs (`k/website`) update(s):
- [ ] Stable - v1.39
- [ ] KEP (`k/enhancements`) update PR(s):
- [ ] Code (`k/k`) update PR(s):
- [ ] Docs (`k/website`) update(s):
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