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Posted to dev@parquet.apache.org by "Uwe L. Korn (JIRA)" <ji...@apache.org> on 2016/05/04 17:36:13 UTC

[jira] [Created] (PARQUET-599) ColumnWriter::RleEncodeLevels' size estimation might be wrong

Uwe L. Korn created PARQUET-599:
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             Summary: ColumnWriter::RleEncodeLevels' size estimation might be wrong
                 Key: PARQUET-599
                 URL: https://issues.apache.org/jira/browse/PARQUET-599
             Project: Parquet
          Issue Type: Bug
          Components: parquet-cpp
            Reporter: Uwe L. Korn


The size estimation might be too small. Instead of adding a factor of 2 (which I guess we're off), we should add a call to LevelEncoder that redirects either to RleEncoder::MaxBufferSize or computes the value for the BitPacked encoding.



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