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https://issues.apache.org/jira/browse/ARROW-452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15890014#comment-15890014
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Wes McKinney commented on ARROW-452:
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[~jlafaye] there is no "compete" -- you should think of Feather as a "poor 
man's Arrow"; it implements a subset of Arrow but is very limited. This is a 
true merging of implementations, which the intent of eventually deprecating the 
more limited Feather file format and moving Python/R users to use the more 
general Arrow file format. Performance with the current Feather format will be 
much higher for Python because the integration with pandas has gotten 
considerably more development in Arrow in the last few months

> [C++/Python] Merge "Feather" file format implementation
> -------------------------------------------------------
>
>                 Key: ARROW-452
>                 URL: https://issues.apache.org/jira/browse/ARROW-452
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++, Python
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>
> See https://github.com/wesm/feather/tree/master/cpp -- this will assist with 
> code consolidation and reconciling metadata requirements for Python and R 
> users, with the goal of eventually using the Arrow IPC format for everything 
> and deprecating the less-flexible Feather format / metadata. 



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