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https://issues.apache.org/jira/browse/HIVE-21304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16969302#comment-16969302
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Zoltan Haindrich commented on HIVE-21304:
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I've rebased the patch to see how bad it is...
* in "bucket_many" something interesting is happening: reads with version 2
then continues with version 1
* join32_lessSize, optimize_nullscan similar
> Show Bucketing version for ReduceSinkOp in explain extended plan
> ----------------------------------------------------------------
>
> Key: HIVE-21304
> URL: https://issues.apache.org/jira/browse/HIVE-21304
> Project: Hive
> Issue Type: Bug
> Reporter: Deepak Jaiswal
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-21304.01.patch, HIVE-21304.02.patch,
> HIVE-21304.03.patch, HIVE-21304.04.patch, HIVE-21304.05.patch
>
>
> Show Bucketing version for ReduceSinkOp in explain extended plan.
> This helps identify what hashing algorithm is being used by by ReduceSinkOp.
>
> cc [~vgarg]
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