community/sig-scheduling/annual-report-2023.md

2023 Annual Report: SIG Scheduling

Current initiatives and Project Health

1. What work did the SIG do this year that should be highlighted?

2. Are there any areas and/or subprojects that your group needs help with (e.g. fewer than 2 active OWNERS)?

3. Did you have community-wide updates in 2023 (e.g. KubeCon talks)?

4. KEP work in 2023 (v1.27, v1.28, v1.29):

• Alpha

  • 3280 - Guarantee PodDisruptionBudget When Preemption Happens - v1.27
  • 3633 - Introduce MatchLabelKeys and MismatchLabelKeys to PodAffinity and PodAntiAffinity - v1.29

• Beta

  • 3521 - Pod Scheduling Readiness - v1.27
  • 3838 - Pod Mutable Scheduling Directives - 1.27
  • 3902 - Decouple TaintManager from NodeLifeCycleController - v1.29
  • 4247 - Per-plugin callback functions for efficient requeueing in the scheduling queue - v1.28

• Stable

  • 2926 - Mutable Node Scheduling Directives for Jobs - v1.27
  • 3243 - Respect PodTopologySpread after rolling upgrades - v1.29

Subprojects

New in 2023:

• [kube-scheduler-wasm-extension](https://git.k8s.io/community/#kube-scheduler-wasm-extension) Retired in 2023:
• kube-batch Continuing:
• cluster-capacity
• descheduler
• kube-scheduler-simulator
• kueue
• kwok
• scheduler
• scheduler-plugins

Working groups

Retired in 2023:

• Multitenancy Continuing:
• Batch
• Policy
• Structured Logging

Operational

Operational tasks in sig-governance.md:

• README.md reviewed for accuracy and updated if needed
• CONTRIBUTING.md reviewed for accuracy and updated if needed
• Other contributing docs (e.g. in devel dir or contributor guide) reviewed for accuracy and updated if needed
• Subprojects list and linked OWNERS files in sigs.yaml reviewed for accuracy and updated if needed
• SIG leaders (chairs, tech leads, and subproject leads) in sigs.yaml are accurate and active, and updated if needed
• Meeting notes and recordings for 2023 are linked from README.md and updated/uploaded if needed