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https://issues.apache.org/jira/browse/HIVE-15489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16098005#comment-16098005
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Lefty Leverenz commented on HIVE-15489:
---------------------------------------

The documentation is done:

* [hive.spark.use.file.size.for.mapjoin | 
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.spark.use.file.size.for.mapjoin]

Removing the TODOC label.

> Alternatively use table scan stats for HoS
> ------------------------------------------
>
>                 Key: HIVE-15489
>                 URL: https://issues.apache.org/jira/browse/HIVE-15489
>             Project: Hive
>          Issue Type: Improvement
>          Components: Spark, Statistics
>    Affects Versions: 2.2.0
>            Reporter: Chao Sun
>            Assignee: Chao Sun
>             Fix For: 2.3.0
>
>         Attachments: HIVE-15489.1.patch, HIVE-15489.2.patch, 
> HIVE-15489.3.patch, HIVE-15489.6.patch, HIVE-15489.7.patch, 
> HIVE-15489.wip.patch
>
>
> For MapJoin in HoS, we should provide an option to only use stats in the TS 
> rather than the populated stats in each of the join branch. This could be 
> pretty conservative but more reliable.



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