Scala data serialization framework

Question
1

What framework or libraries would you suggest if one wants to serialize data in production environment for Scala project?

I quite like Pickling (http://lampwww.epfl.ch/~hmiller/pickling/), but this project looks like discontinuous. Others include upickle (http://www.lihaoyi.com/upickle/), but I have not seen too much discussion.

Any other recommendation?

Thanks

2

If your classes are immutable, then all the internal fields are determined by the constructor arguments, hence you only need to serialize the constructor arguments. I created my own custom XML code to serialize my classes based on their constructor arguments. That may be slightly more work, but I had a reason for it.

3

Any specific requirements?

4

Note that there are a lot of alternatives – I suspect a dozen major options, and lots more minor ones. So as @nafg says, more requirements would be helpful. (Eg, do you prefer binary or JSON? Do you care about whether it is standards-based? Does it need to be compatible with external systems? Is this serialization for wire transport or persistence? Do you need schema evolution?)

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