jim walker, Head of Marketing
Published May 7, 2025
At KubeCon North America 2024 we demo'd just that: live-migrating a Kubernetes cluster (running a stateful Valkey database) from AWS to GCP to Azure in seconds, with zero downtime, and with a 90% reduction in compute costs.
Felicitas Pojtinger, who's the Head of R&D at Loophole Labs (and our resident KVM whisperer), gave a talk that explored how to build Kubernetes clusters that leverage spot instances and then how to move that cluster in its entirety across cloud providers and even to on-premise infrastructure.
A link to a video of the talk is below and we’ve also posted Felicitas’ full notes from the talk to our github repo.
The solution employs a combination of open-source projects that, when used together, allow not for live VM migrations, but also maintain data integrity and network connectivity in the process. Felicitas explains how each project works and how they come together to deliver Architect, the underlying project used in the demo. The projects uses:
The talk is available on the CNCF youtube channel:
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