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https://issues.apache.org/jira/browse/HIVE-14307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15941956#comment-15941956
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Pengcheng Xiong commented on HIVE-14307:
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Hello, I am deferring this to Hive 3.0 as we are going to cut the first RC and
it is not marked as blocker. Please feel free to commit to the branch if this
can be resolved before the release.
> Account for top operator network cost to choose side table in MapJoin
> conversion
> --------------------------------------------------------------------------------
>
> Key: HIVE-14307
> URL: https://issues.apache.org/jira/browse/HIVE-14307
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Affects Versions: 2.1.0, 2.2.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-14307.patch
>
>
> This extends HIVE-13096 so the heuristic can take into account top operators
> that produce large number of rows. In the future, we should choose the side
> based on total latency for the input.
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