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https://issues.apache.org/jira/browse/HIVE-23976?focusedWorklogId=509868&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-509868
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ASF GitHub Bot logged work on HIVE-23976:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Nov/20 18:24
Start Date: 10/Nov/20 18:24
Worklog Time Spent: 10m
Work Description: jcamachor merged pull request #1458:
URL: https://github.com/apache/hive/pull/1458
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Issue Time Tracking
-------------------
Worklog Id: (was: 509868)
Time Spent: 1h 20m (was: 1h 10m)
> 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: 1h 20m
> 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.
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