bzip2 compression

Hi,

I have a requirement to implement Parquet with bzip2 compression because it's splitable. Right now, we can't provide bzip2 in PIG.

SET parquet.compression none/gzip/SNAPPY;

Is there any way to compress to bzip2 on top parquet ?

**Reporter**: [Rajasekhar Konda](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=rkonda)

_{**Note**: *This issue was originally created as [PARQUET-1011](https://issues.apache.org/jira/browse/PARQUET-1011). Please see the [migration documentation](https://issues.apache.org/jira/browse/PARQUET-2502) for further details.*}

No files or tests are named. Start by tracing the existing parquet.compression setting and how PIG passes codec choices; then determine the integration needed for bzip2. Done means bzip2 is accepted alongside none, gzip, and SNAPPY and works for the requested PIG use case.

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