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https://issues.apache.org/jira/browse/HIVE-21294?focusedWorklogId=209428&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-209428
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ASF GitHub Bot logged work on HIVE-21294:
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Author: ASF GitHub Bot
Created on: 07/Mar/19 07:46
Start Date: 07/Mar/19 07:46
Worklog Time Spent: 10m
Work Description: pudidic commented on pull request #547: HIVE-21294:
Vectorization: 1-reducer Shuffle can skip the object hash…
URL: https://github.com/apache/hive/pull/547
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Issue Time Tracking
-------------------
Worklog Id: (was: 209428)
Time Spent: 0.5h (was: 20m)
> 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: 0.5h
> Remaining Estimate: 0h
>
> VectorReduceSinkObjectHashOperator can skip the object hashing entirely if
> the reducer count = 1.
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