I'm not sure about the largest-scale single usage but the Phoenix Framework uses... | Hacker News

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dugmartin on Oct 1, 2021 | parent | context | favorite | on: Downsides of Offline First

I'm not sure about the largest-scale single usage but the Phoenix Framework uses CRDTs for handing user presence.

It isn't enabled by default but it is very easy to use and the CRDT backend is basically hidden away.

More info:

- https://hexdocs.pm/phoenix/presence.html - https://dockyard.com/blog/2016/03/25/what-makes-phoenix-pres...

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