Add ability to export H2OFrames to parquet files
Feature request: Support the ability to export H2OFrames as parquet files to local storage or S3 or equivalent. In R and python, this would mean modifying h2o.exportFile() to allow the choice to save to a parquet file. Or create a parallel h2o.exportParquet() function.
This would help a lot with workflows that otherwise use parquet format. In many respects, parquet is superior to csv format (type definitions, compression options, data access). Right now, R or python can use the arrow library to import and export parquet, spark can import/export parquet, and h2o can import parquet. So having to save the h2o frame to csv is really a step backwards in certain workflows.