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https://issues.apache.org/jira/browse/HIVE-14437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15438447#comment-15438447
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Gopal V commented on HIVE-14437:
--------------------------------

Pushed to master, thanks [~mmccline].

> Vectorization: Optimize key misses in VectorMapJoinFastBytesHashTable
> ---------------------------------------------------------------------
>
>                 Key: HIVE-14437
>                 URL: https://issues.apache.org/jira/browse/HIVE-14437
>             Project: Hive
>          Issue Type: Improvement
>          Components: Vectorization
>    Affects Versions: 2.2.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>             Fix For: 2.2.0
>
>         Attachments: HIVE-14437.1.patch
>
>
> Currently, the lookup in VectorMapJoinFastBytesHashTable proceeds until the 
> max number of metric put conflicts have been reached.
> This can have a fast-exit when encountering the first empty slot during the 
> probe, to speed up looking for non-existent keys.



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