DevOps and Docker Talk: Cloud Native Interviews and Tooling

Move K8s Stateful Pods Between Nodes

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Bret is joined by Philip Andrews and Dan Muret of Cast AI to discuss pod live migration between nodes in a Kubernetes cluster.

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Cast AI dynamically moves your pod to a different node without downtime or data lost. It copies your running pod data, memory, IP address, and TCP connections from one node to another in real time.

In this episode, we nerd out over how Cast AI works under the hood, use cases for it, including hardware and OS maintenance on a node. I've got a feeling Cast AI has a winning feature on their hands.

★Show Links★
Cast AI website
Cast AI YouTube Channel

Check out the video podcast version here: https://youtu.be/yINNWxRywv4

Creators & Guests

  • Cristi Cotovan - Editor
  • Bret Fisher - Host
  • Beth Fisher - Producer
  • Dan Muret - Guest
  • Philip Andrews - Guest

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    • (00:00) - Introduction
  • (02:21) - Cast AI Elevator Pitch
  • (06:57) - Stateful Workloads
  • (10:03) - Bin Packing in Live Migration
  • (13:35) - Stateful vs Stateless
  • (15:43) - Networking and Storage Considerations
  • (23:03) - Future Developments and Use Cases
  • (25:43) - ML Workloads
  • (28:25) - Live Migration of Spot Instances
  • (31:01) - Live Migration Process Explained
  • (39:02) - Challenges and Engineering Behind Live Migration
  • (43:56) - Getting Started with Cast AI
    • ...more
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    DevOps and Docker Talk: Cloud Native Interviews and ToolingBy Bret Fisher
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