sig scalability annual report 2024
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Mengqi (David) Yu
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1. What work did the SIG do this year that should be highlighted?
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1. What work did the SIG do this year that should be highlighted?
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Notable work we produced in 2024 includes:
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Some example items that might be worth highlighting:
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- Helping validate scalability/performance impact and reliability for many features across the year as well as preventing regressions
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- Major KEP advancement
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- Enhancements to our scalability test framework around better instrumentation and reduction in flakiness
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- Important initiatives that aren't tracked via KEPs
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- Additional test coverage spanning across the Kubernetes project
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- Paying down significant tech debt
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- Driving/influencing a bunch of KEPs and fixes, mainly within Kubernetes core (API server, API machinery, etcd and kube-controller-manager)
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- Governance and leadership changes
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-->
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2. Are there any areas and/or subprojects that your group needs help with (e.g. fewer than 2 active OWNERS)?
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2. Are there any areas and/or subprojects that your group needs help with (e.g. fewer than 2 active OWNERS)?
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Overall in 2024 we have had healthy contributions from multiple companies (see these [devstats](https://k8s.devstats.cncf.io/d/8/company-statistics-by-repository-group?orgId=1&var-period=d7&var-metric=contributions&var-repogroup_name=SIG%20Scalability&var-repo_name=kubernetes%2Fkubernetes&var-companies=All&from=1672560000000&to=1704095999000).
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We continue to seek help from various SIGs to force-multiply scalability test coverage and regression hunting for features/components they own. We also encourage them to proactively identify and document SLIs/SLOs/limits for APIs and workflows they own. This allows each SIG to set a scalability bar for their systems (just like up-time/availability) and thereby make scalability a first class citizen of Kubernetes and related CNCF projects. As always, SIG scalability is eager to assist/guide with this process.
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3. Did you have community-wide updates in 2024 (e.g. KubeCon talks)?
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3. Did you have community-wide updates in 2024 (e.g. KubeCon talks)?
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<!--
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We presented SIG Scalability Intro + Deep-Dive updates at EU KubeCon:
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Examples include links to email, slides, or recordings.
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- [KubeCon Paris](https://kccnceu2024.sched.com/event/1Yhgs/intro-deep-dive-kubernetes-sig-scalability-wojciech-tyczynski-google-shyam-jeedigunta-amazon-web-services)
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-->
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- [Recording](https://www.youtube.com/watch?v=g75sjSmdneE)
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4. KEP work in 2024 (v1.30, v1.31, v1.32):
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4. KEP work in 2024 (v1.30, v1.31, v1.32):
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<!--
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TODO: Uncomment the following auto-generated list of KEPs, once reviewed & updated for correction.
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Note: This list is generated from the KEP metadata in kubernetes/enhancements repository.
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Notable KEPs, mostly co-owned with SIG API machinery and SIG etcd:
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If you find any discrepancy in the generated list here, please check the KEP metadata.
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- [2340 - Consistent Reads from Cache](https://github.com/kubernetes/enhancements/tree/master/keps/sig-api-machinery/2340-Consistent-reads-from-cache)
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Please raise an issue in kubernetes/community, if the KEP metadata is correct but the generated list is incorrect.
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- Beta in 1.31
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-->
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- [3157 - Streaming List](https://github.com/kubernetes/enhancements/tree/master/keps/sig-api-machinery/3157-watch-list)
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- Beta in 1.32
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- [4222 - CBOR Serializer](https://github.com/kubernetes/enhancements/tree/master/keps/sig-api-machinery/4222-cbor-serializer)
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- Alpha in 1.32
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- [4568 - Resilient watchcache initialization](https://github.com/kubernetes/enhancements/tree/master/keps/sig-api-machinery/4568-resilient-watchcache-initialization)
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- Beta in 1.31
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<!--
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-->
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## [Subprojects](https://git.k8s.io/community/sig-scalability#subprojects)
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## [Subprojects](https://git.k8s.io/community/sig-scalability#subprojects)
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## Operational
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## Operational
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Operational tasks in [sig-governance.md]:
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Operational tasks in [sig-governance.md]:
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- [ ] [README.md] reviewed for accuracy and updated if needed
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- [X] [README.md] reviewed for accuracy and updated if needed
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- [ ] [CONTRIBUTING.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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- [ ] Other contributing docs (e.g. in devel dir or contributor guide) reviewed for accuracy and updated if needed
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- [X] Other contributing docs (e.g. in devel dir or contributor guide) reviewed for accuracy and updated if needed
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- [ ] Subprojects list and linked OWNERS files in [sigs.yaml] reviewed for accuracy and updated if needed
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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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- [ ] SIG leaders (chairs, tech leads, and subproject leads) in [sigs.yaml] are accurate and active, and updated if needed
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- [X] SIG leaders (chairs, tech leads, and subproject leads) in [sigs.yaml] are accurate and active, and updated if needed
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- [ ] Meeting notes and recordings for 2024 are linked from [README.md] and updated/uploaded if needed
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- [X] Meeting notes and recordings for 2024 are linked from [README.md] and updated/uploaded if needed
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[CONTRIBUTING.md]: https://git.k8s.io/community/sig-scalability/CONTRIBUTING.md
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[CONTRIBUTING.md]: https://git.k8s.io/community/sig-scalability/CONTRIBUTING.md
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