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https://issues.apache.org/jira/browse/HIVE-2430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Wilfong updated HIVE-2430:
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Attachment: HIVE-2430.1.patch.txt
> Performance degradation in stats DB after JIRA HIVE-2144
> (https://issues.apache.org/jira/browse/HIVE-2144)
> ----------------------------------------------------------------------------------------------------------
>
> Key: HIVE-2430
> URL: https://issues.apache.org/jira/browse/HIVE-2430
> Project: Hive
> Issue Type: Bug
> Reporter: Kevin Wilfong
> Assignee: Kevin Wilfong
> Attachments: HIVE-2430.1.patch.txt
>
>
> After JIRA HIVE-2144 (https://issues.apache.org/jira/browse/HIVE-2144), the
> performance in stats DB degraded significantly due to MySQL's inefficient
> index maintenance.
> We should remove the primary index introduced in that JIRA and resolve
> duplicates in the stats aggregation
> phase.
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