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Self-nominate WG-multitenancy Lei (Harry) Zhang

Self-nominate WG-multitenancy Lei (Harry) Zhang

Lei (Harry) Zhang

June 04, 2019

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  1. Self-nominate
    • Lei (Harry) Zhang, Staff Engineer of Alibaba, Github: @resouer

    • Main contributor of Kubernetes main repo since 2015, 173+ commits
    merged in kube-scheduler & kubelet

    • Reviewer of SIG-Node (CRI, resource mgmt, CRI-shim) & SIG-scheduling
    (scheduling queue, perf tuning)

    • Co-maintaining CRI spec for KataContainers since 2017

    • Speak of WG-multitenancy Deep Dive during KubeCon NA 2017

    View Slide

  2. Alibaba in WG-multitenancy
    • Alibaba is investing WG-multitenancy as long term strategy

    • e.g. Virtual Cluster based multi-tenancy proposal

    View Slide

  3. Hard Multi-tenancy in Alibaba
    • Two models, different multi-tenancy views, same resource isolation model

    • Intra Cluster - one super cluster to serve all tenants

    • Virtual Cluster - per tenant per virtual cluster

    • Solid use cases & products

    • Alibaba Serverless Kubernetes (public cloud product)

    • Alibaba Serverless Infrastructure (internal web-scale cluster)

    View Slide

  4. Community
    • Contribute and engage in WG-multitenancy, move internal experience to community

    • Cooperate and organize to push both Intra Cluster & Virtual Cluster model to real
    practice and fix various issues including:

    • multi-tenancy view

    • multi-tenant Service & DNS

    • CNI & CSI implementation

    • sandboxed runtime

    • kubelet with tenant awareness

    View Slide