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Date: Tue, 24 Nov 2009 06:30:39 +0000 (UTC)
From: "Namit Jain (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Subject: [jira] Updated: (HIVE-945) custom mappers/reducers should not be
 initialized at compile time
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     [ https://issues.apache.org/jira/browse/HIVE-945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Namit Jain updated HIVE-945:
----------------------------

    Attachment: hive.945.2.patch

> custom mappers/reducers should not be initialized at compile time
> -----------------------------------------------------------------
>
>                 Key: HIVE-945
>                 URL: https://issues.apache.org/jira/browse/HIVE-945
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Query Processor
>    Affects Versions: 0.5.0
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.945.1.patch, hive.945.2.patch
>
>
> custom mappers/reducers should not be initialized at compile time
> Instead of being initialized at compile time, they should be initialized at the first row, since the custom job may be doing some redundant work or 
> some task specific work

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