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https://issues.apache.org/jira/browse/HIVE-2780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-2780:
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Status: Patch Available (was: Open)
Thanks for updating patch. Marking Patch Available. Reviewing it now.
> Implement more restrictive table sampler
> ----------------------------------------
>
> Key: HIVE-2780
> URL: https://issues.apache.org/jira/browse/HIVE-2780
> Project: Hive
> Issue Type: Improvement
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: ASF.LICENSE.NOT.GRANTED--HIVE-2780.D1623.1.patch,
> ASF.LICENSE.NOT.GRANTED--HIVE-2780.D1623.2.patch, HIVE-2780.D1623.3.patch
>
>
> Current table sampling scans whole block, making more rows included than
> expected especially for small tables.
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