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This doesn't fully answer what you're looking for, but there is a C/C++ API for working with Parquet that's not tied to JVM-Land : https://github.com/apache/parquet-cpp

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I've been keeping an eye on it, the last time I looked at it only reading was implemented.

You may be interested in what Wes McKinney has to say on the topic: http://wesmckinney.com/blog/outlook-for-2017/ (you can read/write using pyarrow)

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