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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-440) no way to know number of rows for a reducer and join keys
Date Wed, 22 Apr 2009 21:18:47 GMT

     [ https://issues.apache.org/jira/browse/HIVE-440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Namit Jain updated HIVE-440:
----------------------------

    Attachment: hive.440.2.patch

incorporated Zheng's comments

> no way to know number of rows for a reducer and join keys
> ---------------------------------------------------------
>
>                 Key: HIVE-440
>                 URL: https://issues.apache.org/jira/browse/HIVE-440
>             Project: Hadoop Hive
>          Issue Type: Wish
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.440.1.patch, hive.440.2.patch
>
>
> It is a good debugging tool to dump number of rows for a reducer, and to emit the number
of entries for a join key for a internal table

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