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Posted to issues@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2016/08/05 12:00:24 UTC

[jira] [Updated] (HIVE-14437) Vectorization: Optimize key misses in VectorMapJoinFastBytesHashTable

     [ https://issues.apache.org/jira/browse/HIVE-14437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gopal V updated HIVE-14437:
---------------------------
    Affects Version/s: 2.2.0

> Vectorization: Optimize key misses in VectorMapJoinFastBytesHashTable
> ---------------------------------------------------------------------
>
>                 Key: HIVE-14437
>                 URL: https://issues.apache.org/jira/browse/HIVE-14437
>             Project: Hive
>          Issue Type: Bug
>          Components: Vectorization
>    Affects Versions: 2.2.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>
> 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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