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> and if the supervisor crashes then its supervisor will restart it, and so on

Enough of this and it will crash the node. You need to design for this in an Erlang system.

The ever-helpful jlouis has some useful writing on the subject: http://jlouisramblings.blogspot.it/2010/11/on-erlang-state-a...

As well as these: https://github.com/jlouis/fuse

Sadly, this is not discussed as much as it should be in Erlang land.



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