[jira] Commented: (HIVE-1830) mappers in group followed by joins may die OOM

[Namit Jain (JIRA)]

    [ 
https://issues.apache.org/jira/browse/HIVE-1830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12969203#action_12969203
 ] 

Namit Jain commented on HIVE-1830:
----------------------------------

      if (groupByOp.getConf() == null) {
91              System.out.println("Group by desc is null");
92              return null;
93            }




This should never happen


GroupByOperator:
    memoryThreshold = HiveConf.getFloatVar(hconf, 
HiveConf.ConfVars.HIVEMAPAGGRM⬅
EMORYTHRESHOLD);


This should also be in groupByDesc



> 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, 
> hive-1830-4.patch
>
>


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