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Kubernetes launches the Workload Conformance Working Group: scope, deliverables, and how to participate

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Kubernetes logo with a banner for the Workload Conformance Working Group
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Summary

  • Announcing the Workload Conformance Working Group
  • The working group is writing a shared standard for how workloads behave at runtime on Kubernetes.
  • Certified Kubernetes tests the cluster, and Kubernetes AI Conformance tests whether a cluster can run AI and ML workloads.
  • Nothing comparable exists for the workloads themselves, so cluster operators still check each application by hand before routine maintenance or a Kubernetes upgrade.

Kubernetes has launched a Workload Conformance Working Group tasked with creating a shared runtime standard for workloads running on Kubernetes.

The group invites input from developers who build workloads and operators who run clusters to ensure the standard reflects real-world needs.

THREE DELIVERABLES AND THE SCOPE

The charter outlines three concrete deliverables for the working group.

  • A specification of workload behavior for each Kubernetes minor version.
  • A method for testing each requirement against a running workload.
  • Upstream conformance tooling that implements those tests.

WHAT IS IN SCOPE AND WHAT ISN’T

The scope includes security, resilience during disruptions, resource use, networking, storage, API usage, and observability. However, the group has not yet agreed on the exact requirements or testing methods. The specification focuses on how a workload runs, not on the application’s logic, and will not mandate a particular packaging format or vendor tool.

GOVERNANCE AND SPONSORS

Two Special Interest Groups sponsor the effort: SIG Architecture will own the specification and tooling, and SIG Apps will contribute the application perspective.

  • If a requirement touches another SIG’s area, the group will engage with that SIG.

PARTICIPATION AND NEXT STEPS

The working group invites input and participation from operators and developers, with early testing of draft artifacts and ongoing collaboration.

  • You can join the Kubernetes Slack channel #wg-workload-conformance and follow meeting notes for Zoom links and agendas.
  • The group meets every other Wednesday at 15:00 UTC.

TIMELINES AND MILESTONES

Kubernetes aims for a stable first specification and working tests within two to three Kubernetes release cycles.