Race conditions in "data" module

[AndreiPashkin]

Description of Issue/Question

I was reviewing the "data" module code and I discovered, that there is no handling of the race conditions as far as I can see:

salt/salt/modules/data.py

Line 71 in 1c0c53b

if not isinstance(new_data, dict):

[gtmanfred]

We would love a PR to add some locking on the data module.

Thanks,
Daniel

[AndreiPashkin]

@gtmanfred, maybe it's better to use a database, like Berkley DB or SQLite?

[stale]

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