etcd, with Xiang Li

Mar 17, 2020

If you’re running Kubernetes, you’re 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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Chatter of the week

• Getting toilet paper be like
• So, stay at home and play with free synth apps!
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News of the week

• vSphere 7 and VMware Tanzu announcements
• Docker announces new strategy and roadmap
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• Lens, now from Lakend Labs
• KEDA and SMI join the CNCF Sandbox
• AWS Bottlerocket blog post and GitHub repo
• Enable encryption on App Mesh with custom or ACM certs
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• Firecracker thread by Micah Hausler
• gVisor thread by Ian Lewis
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• Analysis of Redis operators by Flant
• Bank Vaults 1.0 and HSM support by Banzai Cloud
• CNCF joins Google Summer of Code
• Lifemiles case study
• Rancher Labs raises $40m
  • Episode 57, with Darren Shepherd

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 – 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