Uwe L. Korn created ARROW-357:
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             Summary: Default Parquet chunk_size of 64k is too small
                 Key: ARROW-357
                 URL: https://issues.apache.org/jira/browse/ARROW-357
             Project: Apache Arrow
          Issue Type: Bug
    Affects Versions: 0.1.0
            Reporter: Uwe L. Korn
            Assignee: Uwe L. Korn


The current default size of RowGroups when writing Parquet files is 64k rows. 
This produces a lot of RowGroups given large files which are then really 
ineffective to read.



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