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October 24-28
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Wednesday, October 26 • 5:25pm - 6:00pm
Kcp: Towards 1,000,000 Clusters, Name^WWorkspaced CRDs - Stefan Schimanski, Red Hat

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In 2014, namespaces were added to Kubernetes. Many tried to implement multi-tenancy on-top, with limited success. What if namespaces are just the wrong tool, and we better invest into cluster-like isolation called workspaces, built deeply into the apiserver. The kcp project explors Kubernetes - with logical cluster support to implement workspaces - with ability to scale horizontally via sharding, towards 1,000,000 clusters - with novel API service models disrupting CRDs. In contrast to other projects like vcluster or OpenClusterManager, kcp challenges years old decisions in Kubernetes by going deep into API-Machinery and apiserver. Strategically, we reduce the size of clusters to those of namespaces, and by that open up the space between workspaces for innovation, while within a workspace kcp is just Kubernetes. Outline: 1. from namespaces to workspaces 2. APIExport and APIBindings, identity based security 3. scaling up kcp to 1,000,000 workspaces.

Speakers
avatar for Stefan Schimanski

Stefan Schimanski

Senior Principal Engineer, Red Hat
Stefan is a Senior Principal Software Developer at Red Hat working on Kubernetes and kcp, with a focus on API machinery, extension points and developer tools as part of Sig API Machinery. He contributed a major part of the CRD feature set. Stefan is a 2nd time GoogleSummer of Code... Read More →



Wednesday October 26, 2022 5:25pm - 6:00pm EDT
140 ABC
  Multi-tenancy