title: Is there a possibility of parallel write into Parquet from python/pandas?
body: <p>Parquet file format allows data partitioning. 
  There's also a quite recent project <code>fastparquet</code> that provides python implementation. The question is if I have two dataframes with the same schema in two separate python processes is there a possibility to store them in parallel in two separate partitions of parquet file?</p>