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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4230) Hive: GroupBy should not pass the whole row from mapper to reducer
Date Tue, 21 Oct 2008 06:26:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur updated HADOOP-4230:
-------------------------------------

         Priority: Blocker  (was: Major)
    Fix Version/s: 0.19.0

I think this is a 0.19 release blocker.

> Hive: GroupBy should not pass the whole row from mapper to reducer
> ------------------------------------------------------------------
>
>                 Key: HADOOP-4230
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4230
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: contrib/hive
>            Reporter: Zheng Shao
>            Assignee: Namit Jain
>            Priority: Blocker
>             Fix For: 0.19.0
>
>         Attachments: 127367-2.patch
>
>
> We only need to pass fields that are needed.

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