Hi Ryan, Thanks for the update.
Ideally for Beam, it would be great to have the AvroParquetReader and AvroParquetWriter using the InputFile/OutputFile interfaces. It would allow me to directly leverage Beam FileIO. Do you have a rough date for the Parquet release with that ? Thanks Regards JB On 02/14/2018 02:01 AM, Ryan Blue wrote: > Jean-Baptiste, > > We're planning a release that will include the new OutputFile class, which I > think you should be able to use. Is there anything you'd change to make this > work more easily with Beam? > > rb > > On Tue, Feb 13, 2018 at 12:31 PM, Jean-Baptiste Onofré <j...@nanthrax.net > <mailto:j...@nanthrax.net>> wrote: > > Hi guys, > > I'm working on the Apache Beam ParquetIO: > > https://github.com/apache/beam/pull/1851 > <https://github.com/apache/beam/pull/1851> > > In Beam, thanks to FileIO, we support several filesystems (HDFS, S3, ...). > > If I was able to implement the Read part using AvroParquetReader > leveraging Beam > FileIO, I'm struggling on the writing part. > > I have to create ParquetSink implementing FileIO.Sink. Especially, I have > to > implement the open(WritableByteChannel channel) method. > > It's not possible to use AvroParquetWriter here as it takes a Path as > argument > (and from the channel, I can only have an OutputStream). > > As a workaround, I wanted to use > org.apache.parquet.hadoop.ParquetFileWriter, > providing my own implementation of org.apache.parquet.io > <http://org.apache.parquet.io>.OutputFile. > > Unfortunately OutputFile (and the updated method in ParquetFileWriter) > exists on > Parquet master branch, but it was different on Parquet 1.9.0. > > So, I have two questions: > - do you plan a Parquet 1.9.1 release including org.apache.parquet.io > <http://org.apache.parquet.io>.OutputFile > and updated org.apache.parquet.hadoop.ParquetFileWriter ? > - using Parquet 1.9.0, do you have any advice how to use > AvroParquetWriter/ParquetFileWriter with an OutputStream (or any object > that I > can get from WritableByteChannel) ? > > Thanks ! > > Regards > JB > -- > Jean-Baptiste Onofré > jbono...@apache.org <mailto:jbono...@apache.org> > http://blog.nanthrax.net > Talend - http://www.talend.com > > > > > -- > Ryan Blue > Software Engineer > Netflix -- Jean-Baptiste Onofré jbono...@apache.org http://blog.nanthrax.net Talend - http://www.talend.com
