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From "Ashish Thusoo (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-585) mapjoin may lead to timeouts
Date Sat, 27 Jun 2009 01:32:47 GMT

    [ https://issues.apache.org/jira/browse/HIVE-585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12724787#action_12724787
] 

Ashish Thusoo commented on HIVE-585:
------------------------------------

Write to stderr and use that as a proxy to send progress messages to the jobtracker.


> mapjoin may lead to timeouts
> ----------------------------
>
>                 Key: HIVE-585
>                 URL: https://issues.apache.org/jira/browse/HIVE-585
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.4.0
>            Reporter: Namit Jain
>
> MapJoin reads the entire mapper-side tables before emitting any output. 
> This causes timeouts - 
> I can employ similar approach to Script - any other suggestions !!!

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