#138 We Built Our Own Wormhole to Migrate 150 Kubernetes Clusters

#138 We Built Our Own Wormhole to Migrate 150 Kubernetes Clusters

July 7, 2026 · 38 min · Season 4 · Episode 13

About this episode

Ronald and Jan discuss migrating 150 Kubernetes clusters with Jannis and Michael at KubeCon.

In this episode, recorded live at KubeCon, Ronald and Jan talk with Jannis Relakis and Michael Seiwald-McCarty, both senior platform engineers at Celonis. Celonis manages over 150 Kubernetes clusters across GKE, AKS, and EKS, but it wasn't always that clean. They started with six different Kubernetes flavors, including Gardener, K-Ops, and OpenShift (both Rosa and ARO), spread across multiple cloud providers. In their KubeCon talk "No Shame in Just Paying," they shared how they tackled this c...

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