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https://issues.apache.org/jira/browse/HIVE-4014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13631853#comment-13631853
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Ashutosh Chauhan commented on HIVE-4014:
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Thanks [~tamastarjanyi] for your investigation with different version 
combinations.
                
> Hive+RCFile is not doing column pruning and reading much more data than 
> necessary
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-4014
>                 URL: https://issues.apache.org/jira/browse/HIVE-4014
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>             Fix For: 0.10.0
>
>
> With even simple projection queries, I see that HDFS bytes read counter 
> doesn't show any reduction in the amount of data read.

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