5. Scaling Fleet and Kubernetes to a Million Clusters

Scaling Fleet and Kubernetes to a Million Clusters


  • We created the Fleet Project to provide centralized GitOps-style management of a large number of Kubernetes clusters. A key design goal of Fleet is to be able to manage 1 million geographically distributed clusters. When we architected Fleet, we wanted to use a standard Kubernetes controller architecture. This meant in order to scale, we needed to prove we could scale Kubernetes much farther than we ever had. In this blog, I will cover Fleet’s architecture, the method we used to test scale and our findings.

    https://rancher.com/blog/2020/scaling-fleet-kubernetes-million-clusters/
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