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https://issues.apache.org/jira/browse/HIVE-20513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16606700#comment-16606700
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Matt McCline commented on HIVE-20513:
-------------------------------------

FYI [~kgyrtkirk]

> Vectorization: Improve Fast Vector MapJoin Bytes Hash Tables
> ------------------------------------------------------------
>
>                 Key: HIVE-20513
>                 URL: https://issues.apache.org/jira/browse/HIVE-20513
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-20513.01.patch
>
>
>  Based on HIVE-20491 discussions, improve Fast Vector MapJoin Bytes Hash 
> Tables by only storing a one word slot entry.



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