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https://issues.apache.org/jira/browse/HIVE-1830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12969070#action_12969070
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Namit Jain commented on HIVE-1830:
----------------------------------

Add the new parameters description in hive-default.xml.
Move the memory threshold in the descriptors (for eg. all the needed confs 
should be copied in groupbydesc.
and accessed from there, instead of being accessed from HiveConf at runtime) - 
you already did it from
HashTableSinkOperator


> mappers in group followed by joins may die OOM
> ----------------------------------------------
>
>                 Key: HIVE-1830
>                 URL: https://issues.apache.org/jira/browse/HIVE-1830
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Namit Jain
>            Assignee: Liyin Tang
>         Attachments: hive-1830-1.patch, hive-1830-2.patch, hive-1830-3.patch
>
>


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