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Posted to issues@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2019/03/07 01:12:00 UTC

[jira] [Updated] (HIVE-21294) Vectorization: 1-reducer Shuffle can skip the object hash functions

     [ https://issues.apache.org/jira/browse/HIVE-21294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gopal V updated HIVE-21294:
---------------------------
       Resolution: Fixed
    Fix Version/s: 4.0.0
           Status: Resolved  (was: Patch Available)

> Vectorization: 1-reducer Shuffle can skip the object hash functions
> -------------------------------------------------------------------
>
>                 Key: HIVE-21294
>                 URL: https://issues.apache.org/jira/browse/HIVE-21294
>             Project: Hive
>          Issue Type: Bug
>          Components: Vectorization
>            Reporter: Gopal V
>            Assignee: Teddy Choi
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>         Attachments: HIVE-21294.2.patch, HIVE-21294.3.patch, HIVE-21294.4.patch
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> VectorReduceSinkObjectHashOperator can skip the object hashing entirely if the reducer count = 1.



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