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https://issues.apache.org/jira/browse/HIVE-561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zheng Shao updated HIVE-561:
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Attachment: HIVE-561.2.patch
Removed an unrelated change.
> Make Hash aggregation threshold configurable
> --------------------------------------------
>
> Key: HIVE-561
> URL: https://issues.apache.org/jira/browse/HIVE-561
> Project: Hadoop Hive
> Issue Type: Improvement
> Affects Versions: 0.3.0, 0.3.1
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Priority: Minor
> Fix For: 0.4.0
>
> Attachments: HIVE-561.1.patch, HIVE-561.2.patch
>
>
> Currently we stop doing Hash aggregation after seeing 100K rows and the
> reduction is below 50%. We should make it configurable.
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