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https://issues.apache.org/jira/browse/HIVE-3898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Wilfong updated HIVE-3898:
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Attachment: HIVE-3898.1.patch.txt
> getReducersBucketing in SemanticAnalyzer may return more than the max number
> of reducers
> ----------------------------------------------------------------------------------------
>
> Key: HIVE-3898
> URL: https://issues.apache.org/jira/browse/HIVE-3898
> Project: Hive
> Issue Type: New Feature
> Components: Query Processor
> Affects Versions: 0.11.0
> Reporter: Kevin Wilfong
> Assignee: Kevin Wilfong
> Attachments: HIVE-3898.1.patch.txt
>
>
> getReducersBucketing rounds totalFiles / maxReducers down, when it should be
> rounded up to the nearest integer.
> E.g. if totalFiles = 60 and maxReducers = 21,
> totalFiles / maxReducers = 2
> totalFiles / 2 = 30
> So the job will get 30 reducers, more than maxReducers.
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