KEP-5501keps/sig-scheduling/5501-reflect-preenqueue-rejections-in-pod-status
Reflect PreEnqueue rejections in Pod status
This KEP proposes enhancing the Kubernetes scheduler to update a Pod's status with a descriptive message when a PreEnqueue plugin rejects it. When a Pod is rejected at this early stage, it currently remains in a generic Pending state with no direct feedback in its status, making observability and debugging difficult. By reflecting the rejection reason in the… Full summary
This KEP proposes enhancing the Kubernetes scheduler to update a Pod's status with a descriptive message when a PreEnqueue plugin rejects it. When a Pod is rejected at this early stage, it currently remains in a generic Pending state with no direct feedback in its status, making observability and debugging difficult. By reflecting the rejection reason in the Pod's status (and emitting a corresponding event), cluster administrators and users will gain immediate insight into why a Pod is not being scheduled.
Facts
- Authors
- @macsko
- Approvers
- @dom4ha@sanposhiho
- Reviewers
- @dom4ha@sanposhiho
- PRR approvers
- @wojtek-tbeta
- Tracking issue
- #5501(opens GitHub in a new tab) opensig/schedulingstage/betalifecycle/rotten
- Milestones
- beta v1.35stable v1.37
- Participating SIGs
- none
- Feature gates
- SchedulerPreEnqueuePodStatus
- Created / last updated
- 2025-09-01 / none
Loading decisions and status history