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Published: March 17, 2020, 6:33 p.m.

If you\u2019re running Kubernetes, you\u2019re running etcd. The distributed key-value store was started as an intern project at CoreOS by Xiang Li, who is still maintaining it but now working on infrastructure at Alibaba. Xiang joins your hosts to discuss.

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Links from the interview

• etcd
  • etcd on GitHub
• How Kubernetes uses etcd
• The history of etcd, including the famous garage
• Built to handle upgrading CoreOS Container Linux nodes
• Prior art:
  • Zookeeper: too much JVM
  • Doozer: not enough community
  • Chubby: too private to Google
• Paxos
  • The paper
  • Paxos Made Live - An Engineering Perspective
• Multi-Paxos
• raft
  • The paper
• Announcing etcd
  • Ben and Blake
• etcd3 moved from a tree keyspace to flat keyspace
  • Latest version: etcd 3.4
• etcd and Kubernetes at Alibaba:
  • Demystifying Kubernetes as a Service \u2013 How Alibaba Cloud Manages 10,000s of Kubernetes Clusters
  • Performance optimization of etcd in web scale data scenario
• The first etcd operator created by Xiang
• Jepsen tests of 0.4.1 and 3.4.3
• CNCF to host etcd in December 2018
• etcd roadmap
• Xiang Li on GitHub
• Xiang Li on Twitter