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https://issues.apache.org/jira/browse/PARQUET-691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15833098#comment-15833098
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Wes McKinney commented on PARQUET-691:
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It's in the spec: https://github.com/apache/parquet-format/blob/master/README.md

I believe Hive may make use of this

> [C++] Write ColumnChunk metadata after each column chunk in the file
> --------------------------------------------------------------------
>
>                 Key: PARQUET-691
>                 URL: https://issues.apache.org/jira/browse/PARQUET-691
>             Project: Parquet
>          Issue Type: Bug
>          Components: parquet-cpp
>            Reporter: Wes McKinney
>
> While this feature is not frequently utilized (enabling row groups / column 
> chunks to be spread across multiple files), we have not yet implemented it 
> yet.
> https://github.com/apache/parquet-format#file-format



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