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https://issues.apache.org/jira/browse/HIVE-16260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15933997#comment-15933997
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Deepak Jaiswal commented on HIVE-16260:
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https://reviews.apache.org/r/57794/
> Remove parallel edges of semijoin with map joins.
> -------------------------------------------------
>
> Key: HIVE-16260
> URL: https://issues.apache.org/jira/browse/HIVE-16260
> Project: Hive
> Issue Type: Task
> Reporter: Deepak Jaiswal
> Assignee: Deepak Jaiswal
> Attachments: HIVE-16260.1.patch, HIVE-16260.2.patch
>
>
> Remove parallel edges of semijoin with map joins as they don't give any
> benefit to the query.
> Also, ensure that bloom filters are created to handle at least 1M entries and
> the semijoin is disabled if the big table has less than 1M rows.
> Both these features are configurable.
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