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Merge pull request #6455 from marseel/annual_report_2021
Sig Scalability 2021 annual report
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sig-scalability/annual-report-2021.md

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1. What work did the SIG do this year that should be highlighted?
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- We helped validating scalability and reliability impact of many features across whole year.
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- We have started testing scalability of large services (1000+ pods).
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2. What initiatives are you working on that aren't being tracked in KEPs?
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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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- We've improved testing framework and infrastructure, for example:
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- Added support for modules in our tests
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- Started measuring availability of api-server
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- Added support for measuring cilium propagation delay, dns latency
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3. KEP work in 2021:
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- Stable
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- [$kep-number - $title](https://git.k8s.io/community/$link/README.md) - $milestone.stable
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- [$kep-number - $title](https://git.k8s.io/community/$link/README.md) - $milestone.stable
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- None
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- Beta
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- [$kep-number - $title](https://git.k8s.io/community/$link/README.md) - $milestone.beta
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- [$kep-number - $title](https://git.k8s.io/community/$link/README.md) - $milestone.beta
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- [1040 - Priority and Fairness for API Server Requests](https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/1040-priority-and-fairness/README.md) - 1.23
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- Alpha
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- [$kep-number - $title](https://git.k8s.io/community/$link/README.md) - $milestone.alpha
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- [$kep-number - $title](https://git.k8s.io/community/$link/README.md) - $milestone.alpha
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- [647 - APIServer Tracing](https://github.com/kubernetes/enhancements/blob/master/keps/sig-instrumentation/647-apiserver-tracing/README.md) - 1.22
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- [1669 - Proxy Terminating Endpoints](https://github.com/kubernetes/enhancements/blob/master/keps/sig-network/1669-proxy-terminating-endpoints/README.md) - 1.22
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- [2464 - Kubetest2 CI Migration](https://github.com/kubernetes/enhancements/blob/master/keps/sig-testing/2464-kubetest2-ci-migration/README.md) - 1.21
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- Pre-alpha
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- [$kep-number - $title](https://git.k8s.io/community/$link/README.md)
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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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- Each subproject could benefit from additional hands. However, the Scalability Test Frameworks and Scalability and Performance tests and validation are the ones where we can grow contributors - the other require both very deep and wide understanding of Kubernetes before making reasonable contributions.
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2. What metrics/community health stats does your group care about and/or measure?
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- We care mostly about metrics for our main repository [perf-tests]. We measure them through [devstats]. We keep track of number of reviewers, opened issues and PRs merged.
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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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- Yes, [CONTRIBUTING.md] points to maintained list of issues with label `good first issue`.
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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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- We don't have any special requirements for reviewers/approvers, but most of core areas of sig-scalability required deep and wide understanding of Kubernetes.
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5. Does the group have contributors from multiple companies/affiliations?
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- Yes, we have contributors from [multiple companies](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=1609477200000&to=1640926800000).
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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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- End users usually come with questions about scalability, they rarely want to contribute.
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## Membership
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- Primary slack channel member count:
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- Primary mailing list member count:
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- Primary meeting attendee count (estimated, if needed):
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- Primary meeting participant count (estimated, if needed):
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- Unique reviewers for SIG-owned packages: <!-- 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: <!-- in future, this will be generated from OWNERS files referenced from subprojects, expanded with OWNERS_ALIASES files -->
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- Primary slack channel member count: 2029
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- Primary mailing list member count: 236
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- Primary meeting attendee count (estimated, if needed): 5
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- Primary meeting participant count (estimated, if needed): 4
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- Unique reviewers for SIG-owned packages: 6
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- Unique approvers for SIG-owned packages: 5
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Include any other ways you measure group membership
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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 $YYYY:
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- [$subproject-name](https://git.k8s.io/community/$sig-id#$subproject-name)
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New in 2021:
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- None
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Retired in $YYYY:
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- [$subproject-name](https://git.k8s.io/community/$sig-id#$subproject-name)
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Retired in 2021:
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- None
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Continuing:
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- [$subproject-name](https://git.k8s.io/community/$sig-id#$subproject-name)
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-
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- [kubernetes-scalability-and-performance-tests-and-validation](https://git.k8s.io/community/sig-scalability#kubernetes-scalability-and-performance-tests-and-validation)
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- [kubernetes-scalability-bottlenecks-detection](https://git.k8s.io/community/sig-scalability#kubernetes-scalability-bottlenecks-detection)
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- [kubernetes-scalability-definition](https://git.k8s.io/community/sig-scalability#kubernetes-scalability-definition)
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- [kubernetes-scalability-governance](https://git.k8s.io/community/sig-scalability#kubernetes-scalability-governance)
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- [kubernetes-scalability-test-frameworks](https://git.k8s.io/community/sig-scalability#kubernetes-scalability-test-frameworks)
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## Working groups
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-->
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New in $YYYY:
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- [$wg-name](https://git.k8s.io/community/$wg-id/) ([$YYYY report](https://git.k8s.io/community/$wg-id/annual-report-$YYYY.md))
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New in 2021:
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- None
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Retired in $YYYY:
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- [$wg-name](https://git.k8s.io/community/$wg-id/) ([$YYYY report](https://git.k8s.io/community/$wg-id/annual-report-$YYYY.md))
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Retired in 2021:
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- None
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Continuing:
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- [$wg-name](https://git.k8s.io/community/$wg-id/) ([$YYYY report](https://git.k8s.io/community/$wg-id/annual-report-$YYYY.md))
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- [WG Reliability](https://git.k8s.io/community/wg-reliability/) ([2021 report](https://github.com/kubernetes/community/blob/master/wg-reliability/annual-report-2021.md))
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## Operational
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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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- [ ] [CONTRIBUTING.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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- [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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- [ ] 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 owners) in [sigs.yaml] are accurate and active, and updated if needed
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- [ ] Meeting notes and recordings for 2021 are linked from [README.md] and updated/uploaded if needed
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- [ ] 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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- [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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- [Kubecon NA 2021](https://www.youtube.com/watch?v=sEdSoWslQ6A)
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[CONTRIBUTING.md]: https://git.k8s.io/community/sig-scalability/CONTRIBUTING.md
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[contributor ladder]: https://git.k8s.io/community/community-membership.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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[perf-tests]: https://github.com/kubernetes/perf-tests
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[devstats]: k8s.devstats.cncf.io/

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