151 lines
6.8 KiB
Markdown
151 lines
6.8 KiB
Markdown
# 2021 Annual Report: SIG Scheduling
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## Current initiatives
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1. What work did the SIG do this year that should be highlighted?
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- Efficient re-queueing of pods, significantly cutting the number of failed scheduling cycles
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- Improvements to preemption performance
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- Simplified plugin configuration in component config
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- Scheduler simulator: https://github.com/kubernetes-sigs/kube-scheduler-simulator
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2. What initiatives are you working on that aren't being tracked in KEPs?
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- Performance improvements and benchmarking
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- Code refactorings and cleanups
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- Enhancements to node resource -based scoring (see [101946](https://github.com/kubernetes/kubernetes/pull/101946) and [101822](https://github.com/kubernetes/kubernetes/pull/101822))
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3. KEP work in 2021 (1.x, 1.y, 1.z):
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<!--
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In future, this will be generated from kubernetes/enhancements kep.yaml files
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1. with SIG as owning-sig or in participating-sigs
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2. listing 1.x, 1.y, or 1.z in milestones or in latest-milestone
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-->
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- Stable
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- [2249 - Multi-scheduling Profiles](https://github.com/kubernetes/enhancements/tree/master/keps/sig-scheduling/1451-multi-scheduling-profiles) - 1.22
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- [1845 - Prioritization on Volume Capacity](https://github.com/kubernetes/enhancements/tree/master/keps/sig-storage/1845-prioritization-on-volume-capacity) - 1.22
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- Beta
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- [2249 - Namespace Selector for Pod Affinity](https://github.com/kubernetes/enhancements/tree/master/keps/sig-scheduling/2249-pod-affinity-namespace-selector) - 1.22
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- [1923 - Prefer Nominated Node](https://github.com/kubernetes/enhancements/tree/master/keps/sig-scheduling/1923-prefer-nominated-node) - 1.22
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- [2458 - Resource Fit Scoring Strategy](https://github.com/kubernetes/enhancements/tree/master/keps/sig-scheduling/2458-node-resource-score-strategy) - 1.22
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- [2891 - Simplified Scheduler Config](https://github.com/kubernetes/enhancements/blob/master/keps/sig-scheduling/2891-simplified-config/kep.yaml) - 1.22
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- [785 - Scheduler Component Config API](https://github.com/kubernetes/enhancements/tree/master/keps/sig-scheduling/785-scheduler-component-config-api) - 1.23
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- [2926 - Job Mutable Scheduling Directives](https://github.com/kubernetes/enhancements/tree/master/keps/sig-scheduling/2926-job-mutable-scheduling-directives) - 1.23
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- Alpha
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- None
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- Pre-alpha
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- None
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## Project health
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1. What areas and/or subprojects does your group need the most help with?
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Any areas with 2 or fewer OWNERs? (link to more details)
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- https://github.com/kubernetes-sigs/kube-scheduler-simulator is short of reviewers/owners.
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2. What metrics/community health stats does your group care about and/or measure?
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- Diversity
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- Number of contributors
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- Meetings attendance
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3. Does your [CONTRIBUTING.md] help **new** contributors engage with your group specifically by pointing
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to activities or programs that provide useful context or allow easy participation?
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- It looks up-to-date
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4. If your group has special training, requirements for reviewers/approvers, or processes beyond the general [contributor guide],
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does your [CONTRIBUTING.md] document those to help **existing** contributors grow throughout the [contributor ladder]?
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- Nothing special.
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5. Does the group have contributors from multiple companies/affiliations?
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- Yes
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6. Are there ways end users/companies can contribute that they currently are not?
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If one of those ways is more full time support, what would they work on and why?
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-
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-
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## Membership
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- Primary slack channel member count: 2529
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- Primary mailing list member count: 586
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- Primary meeting attendee count (estimated, if needed): 10
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- Primary meeting participant count (estimated, if needed): 5
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- Unique reviewers for SIG-owned packages: 6 <!-- in future, this will be generated from OWNERS files referenced from subprojects, expanded with OWNERS_ALIASES files -->
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- Unique approvers for SIG-owned packages: 4 <!-- in future, this will be generated from OWNERS files referenced from subprojects, expanded with OWNERS_ALIASES files -->
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Include any other ways you measure group membership
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## Subprojects
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<!--
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In future, this will be generated from delta of sigs.yaml from $YYYY-01-01 to $YYYY-12-31
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Manually visible via `git diff HEAD@{$YYYY-01-01} HEAD@{$YYYY-12-31} -- $sig-id/README.md`
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-->
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New in 2021:
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- [kube scheduler simulator](https://github.com/kubernetes-sigs/kube-scheduler-simulator)
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-
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Retired in 2021:
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- None
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-
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Continuing:
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- [Descheduler](https://github.com/kubernetes-sigs/descheduler)
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- [Scheduler Plugins](https://github.com/kubernetes-sigs/scheduler-plugins)
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- [Cluster Capacity](https://github.com/kubernetes-sigs/cluster-capacity)
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- [Poseidon](https://github.com/kubernetes-sigs/poseidon)
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- [KubeBatch](https://github.com/kubernetes-sigs/kube-batch)
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## Working groups
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<!--
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In future, this will be generated from delta of sigs.yaml from $YYYY-01-01 to $YYYY-12-31
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Manually visible via `git diff HEAD@{$YYYY-01-01} HEAD@{$YYYY-12-31} -- $sig-id/README.md`
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-->
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New in 2021:
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- [Structured Logging](https://github.com/kubernetes/community/tree/master/wg-structured-logging)
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Retired in 2021:
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- None
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-
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Continuing:
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- [Policy](https://github.com/kubernetes/community/tree/master/wg-policy)
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- [Multitenancy](https://github.com/kubernetes/community/tree/master/wg-multitenancy)
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## Operational
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Operational tasks in [sig-governance.md]:
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- [X] [README.md] reviewed for accuracy and updated if needed
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- [X] [CONTRIBUTING.md] reviewed for accuracy and updated if needed
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(or created if missing and your contributor steps and experience are different or more
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in-depth than the documentation listed in the general [contributor guide] and [devel] folder.)
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- [x] Subprojects list and linked OWNERS files in [sigs.yaml] reviewed for accuracy and updated if needed
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- [X] SIG leaders (chairs, tech leads, and subproject owners) in [sigs.yaml] are accurate and active, and updated if needed
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- [X] Meeting notes and recordings for 2021 are linked from [README.md] and updated/uploaded if needed
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- [x] Did you have community-wide updates in 2021 (e.g. community meetings, kubecon, or kubernetes-dev@ emails)? Links to email, slides, or recordings:
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- [2021 KubeCon EU: SIG-Scheduling Intro & Deep Dive](https://sched.co/iE7P)
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- [2021 KubeCon NA: SIG-Scheduling Intro & Deep Dive](https://sched.co/lV8m)
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[CONTRIBUTING.md]: https://git.k8s.io/community/sig-scheduling/CONTRIBUTING.md
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[contributor ladder]: https://git.k8s.io/community/community-membership.md
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[sig-governance.md]: https://git.k8s.io/community/committee-steering/governance/sig-governance.md
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[README.md]: https://git.k8s.io/community/sig-scheduling/README.md
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[sigs.yaml]: https://git.k8s.io/community/sigs.yaml
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[contributor guide]: https://git.k8s.io/community/contributors/guide/README.md
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[devel]: https://git.k8s.io/community/contributors/devel/README.md
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