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https://issues.apache.org/jira/browse/HIVE-1831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Namit Jain resolved HIVE-1831.
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Resolution: Fixed
Fix Version/s: 0.7.0
Hadoop Flags: [Reviewed]
Committed. Thanks Liyin
> Add a option to run task to check map-join possibility in non-local mode
> ------------------------------------------------------------------------
>
> Key: HIVE-1831
> URL: https://issues.apache.org/jira/browse/HIVE-1831
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Liyin Tang
> Fix For: 0.7.0
>
>
> In HIVE-1642, we run a local task to figure out if the small table can be
> held in memory, and then convert the join into a map-join.
> However, this can be a good idea for thin clients (which may not have enough
> memory).
> This should be made configurable - where the default can still be to run the
> task locally on the client machine, but an option
> should be added for thin clients, where the task would be run as a map-only
> task
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