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https://issues.apache.org/jira/browse/HIVE-10403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524556#comment-14524556
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Lefty Leverenz commented on HIVE-10403:
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Doc note: This adds two configuration parameters
(*hive.mapjoin.hybridgrace.minwbsize* and
*hive.mapjoin.hybridgrace.minnumpartitions*) to HiveConf.java, so they need to
be documented in the wiki.
* [Configuration Properties -- Query and DDL Execution |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-QueryandDDLExecution]
> Add n-way join support for Hybrid Grace Hash Join
> -------------------------------------------------
>
> Key: HIVE-10403
> URL: https://issues.apache.org/jira/browse/HIVE-10403
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 1.2.0
> Reporter: Wei Zheng
> Assignee: Wei Zheng
> Labels: TODOC1.2
> Fix For: 1.2.0, 1.3.0
>
> Attachments: HIVE-10403.01.patch, HIVE-10403.02.patch,
> HIVE-10403.03.patch, HIVE-10403.04.patch, HIVE-10403.06.patch,
> HIVE-10403.07.patch, HIVE-10403.08.patch
>
>
> Currently Hybrid Grace Hash Join only supports 2-way join (one big table and
> one small table). This task will enable n-way join (one big table and
> multiple small tables).
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