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annual-report-2024.md

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2024 Annual Report: SIG Scalability

Current initiatives and Project Health

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

Notable work we produced in 2024 includes:

  • Helping validate scalability/performance impact and reliability for many features across the year as well as preventing regressions
  • Enhancements to our scalability test framework around better instrumentation and reduction in flakiness
  • Additional test coverage spanning across the Kubernetes project
  • Driving/influencing a bunch of KEPs and fixes, mainly within Kubernetes core (API server, API machinery, etcd and kube-controller-manager)
  1. Are there any areas and/or subprojects that your group needs help with (e.g. fewer than 2 active OWNERS)?

Overall in 2024 we have had healthy contributions from multiple companies (see these devstats. 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.

  1. Did you have community-wide updates in 2024 (e.g. KubeCon talks)?

We presented SIG Scalability Intro + Deep-Dive updates at EU KubeCon:

  1. KEP work in 2024 (v1.30, v1.31, v1.32):

Notable KEPs, mostly co-owned with SIG API machinery and SIG etcd:

Subprojects

Continuing:

  • kubernetes-scalability-and-performance-tests-and-validation
  • kubernetes-scalability-bottlenecks-detection
  • kubernetes-scalability-definition
  • kubernetes-scalability-governance
  • kubernetes-scalability-test-frameworks

Working groups

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 2024 are linked from README.md and updated/uploaded if needed