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https://issues.apache.org/jira/browse/HIVE-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1642:
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Attachment: hive-1642_11.patch
When the local task runs out of memory, do NOT print any thing out and just
return from this process.
Because calling l4j to print will make it worse.
Sorry for so many minor changes in this afternoon.
> Convert join queries to map-join based on size of table/row
> -----------------------------------------------------------
>
> Key: HIVE-1642
> URL: https://issues.apache.org/jira/browse/HIVE-1642
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Liyin Tang
> Fix For: 0.7.0
>
> Attachments: hive-1642_10.patch, hive-1642_11.patch,
> hive-1642_5.patch, hive-1642_6.patch, hive-1642_7.patch, hive-1642_9.patch,
> hive_1642_1.patch, hive_1642_2.patch, hive_1642_4.patch
>
>
> Based on the number of rows and size of each table, Hive should automatically
> be able to convert a join into map-join.
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