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Posted to commits@beam.apache.org by "Chamikara Jayalath (JIRA)" <ji...@apache.org> on 2016/08/22 23:14:20 UTC

[jira] [Created] (BEAM-577) Update filebasedsource to support compressed files

Chamikara Jayalath created BEAM-577:
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             Summary: Update filebasedsource to support compressed files
                 Key: BEAM-577
                 URL: https://issues.apache.org/jira/browse/BEAM-577
             Project: Beam
          Issue Type: Improvement
          Components: sdk-py
            Reporter: Chamikara Jayalath
            Assignee: Frances Perry


FileBasedSource framework [1] should be updated to properly read compressed files.

One possible way to do this might be to update FileBasedSource.open_file() [2] to return a CompressedFile [3].

Similar to Java implementation, we may not be able to support dynamic work rebalancing for compressed files.

[1] https://github.com/apache/incubator-beam/blob/python-sdk/sdks/python/apache_beam/io/filebasedsource.py
[2] https://github.com/apache/incubator-beam/blob/python-sdk/sdks/python/apache_beam/io/filebasedsource.py#L125
[3] https://github.com/apache/incubator-beam/blob/python-sdk/sdks/python/apache_beam/io/fileio.py#L300



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