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https://issues.apache.org/jira/browse/HIVE-2385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13086539#comment-13086539
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Siying Dong commented on HIVE-2385:
-----------------------------------
I don't know why but I can't create review board using this patch.
> Local Mode can be more aggressive if LIMIT optimization is on
> -------------------------------------------------------------
>
> Key: HIVE-2385
> URL: https://issues.apache.org/jira/browse/HIVE-2385
> Project: Hive
> Issue Type: Improvement
> Reporter: Siying Dong
> Assignee: Siying Dong
> Priority: Minor
> Attachments: HIVE-2385.1.patch
>
>
> Local mode now depends on total input data, but for LIMIT queries with no
> filtering, the data actually scanned can be much less and it's relatively
> predictable. We can place local mode more aggressively.
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