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AFAIK all the hyperscalers have replaced etcd for their managed Kubernetes services [1], [2], [3] - though Azure is the least clear about what they actually use currently.

[1]: https://aws.amazon.com/blogs/containers/under-the-hood-amazo...

[2]: https://cloud.google.com/blog/products/containers-kubernetes...

[3]: https://azure.microsoft.com/en-us/blog/a-cosmonaut-s-guide-t...

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While I can’t speak for the others, AWS doesn’t replace all of etcd. Only the raft consensus layer which is replaced with Journal which is an internal AWS service.

Interestingly the public of Azure’s etcd-compatible service was withdrawn before exiting preview.

[1] https://learn.microsoft.com/en-us/answers/questions/154061/a...

It's interesting they ever exposed it at all really! I don't think you can use Google's Spanner-based etcd replacement for a self-managed Kubernetes cluster, for example.

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