November 13–15, 2018 - Shanghai, China
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Thursday, November 15 • 11:30 - 12:05
Evolving Sigma: Adapting Kubernetes at Alibaba - Xiang Li, Alibaba

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Sigma is a cluster management system we use at Alibaba for running online services. The typical container cluster It manages has tens of thousands of servers which is beyond the capability of current Kubernetes. It also manages legacy workloads which are not container based.

With the increasing popularity of Kuberenetes, we tried to integrate Kubernetes into our Sigma system. However, there are significant challenges in doing so. How do we extend Kubernetes to support different types of workloads? How do we scale Kubernetes to manage thousands of nodes? How do we keep Kubernetes API while integrating Kubernetes with our infrastructure layer?

This talk we will first provide an overview of Sigma. Then we will cover the solutions on how we extend, scale and integrate Kubernetes into Sigma at Alibaba. We will also share the lessons learned in the process.


Xiang Li

Senior Staff Engineer, Alibaba
Xiang is a Senior Staff Engineer of Alibaba. He works on Alibaba’s cluster management system and helps with Kubernetes adoption for the entire Alibaba group. Prior to Alibaba, Xiang led the Kubernetes upstream team at CoreOS. He is also the creator of etcd and Kubernetes operator... Read More →

Thursday November 15, 2018 11:30 - 12:05
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