KEP Exception Request

[kerthcet]

Hi, release team. I'd like to request an exception to promote a new feature to kubernetes 1.24. This request could be avoided but for the continuously code conflicts around the deadline, which delayed the code approval.

• Enhancement name: Take taints/tolerations into consideration when calculating PodTopologySpread skew
• Enhancement status (alpha/beta/stable): alpha
  
• SIG: sig/scheduling
• k/enhancements repo issue: https://github.com/kubernetes/enhancements/issues/3094
  
• PR #’s: 
• https://github.com/kubernetes/kubernetes/pull/108492
• https://github.com/kubernetes/kubernetes/pull/108884
• Additional time needed (in days): 2 (reviewed for several rounds, waiting for approval)
  
• Reason this enhancement is critical for this milestone: This enhancement provides a solution to prevent unnecessary pending in PodToplogySpread scheduling, in some cases, this may result in pod pending for almost 1 hour, we can refer to this for details https://github.com/kubernetes/kubernetes/issues/107191
• Risks from adding code late: (to k8s stability, testing, etc.) Unexpected scenario described above will still exists for a release time.
• Risks from cutting enhancement: (partial implementation, critical customer usecase, etc.) Risks are the same.

[Wei Huang]

+1.

The changes are straightforward and backward-compatible. APIs, implementations and tests bits have been thoroughly discussed. It's basically safe to be included ain 1.24.

Regards,
--------------
Wei Huang
hwe...@gmail.com

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[James Laverack]

Hi all,

Following discussion in Slack the release team is REJECTING this exception request. This is on the basis of risk from the exceptions guidelines.

If you have any questions, please reach out to us in the #sig-release Slack channel.

Thanks,

James Laverack,

1.24 Release Team Lead

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