[jira] [Work logged] (HIVE-23976) Enable vectorization for multi-col semi join reducers

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-23976?focusedWorklogId=508667&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-508667 ]

ASF GitHub Bot logged work on HIVE-23976:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Nov/20 00:40
            Start Date: 07/Nov/20 00:40
    Worklog Time Spent: 10m 
      Work Description: github-actions[bot] commented on pull request #1458:
URL: https://github.com/apache/hive/pull/1458#issuecomment-723360619


   This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
   Feel free to reach out on the dev@hive.apache.org list if the patch is in need of reviews.


----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
users@infra.apache.org


Issue Time Tracking
-------------------

    Worklog Id:     (was: 508667)
    Time Spent: 0.5h  (was: 20m)

> Enable vectorization for multi-col semi join reducers
> -----------------------------------------------------
>
>                 Key: HIVE-23976
>                 URL: https://issues.apache.org/jira/browse/HIVE-23976
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Stamatis Zampetakis
>            Assignee: László Bodor
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> HIVE-21196 introduces multi-column semi-join reducers in the query engine. However, the implementation relies on GenericUDFMurmurHash which is not vectorized thus the respective operators cannot be executed in vectorized mode. 



--
This message was sent by Atlassian Jira
(v8.3.4#803005)