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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1355) Hive should use NullOutputFormat for hadoop jobs
Date Wed, 02 Jun 2010 06:28:38 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874452#action_12874452
] 

Namit Jain commented on HIVE-1355:
----------------------------------

+1

will commit if the tests pass

> Hive should use NullOutputFormat for hadoop jobs
> ------------------------------------------------
>
>                 Key: HIVE-1355
>                 URL: https://issues.apache.org/jira/browse/HIVE-1355
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Joydeep Sen Sarma
>            Assignee: Joydeep Sen Sarma
>         Attachments: 1355.1.patch
>
>
> see https://issues.apache.org/jira/browse/MAPREDUCE-1802
> hive doesn't depend on hadoop job output folder. it produces output exclusively via side
effect folders. we should use an outputformat that can request hadoop skip cleanup/setup.
this could be nulloutputformat (unless there are any objections in hadoop to changing nulloutputformat
behavior).
> as a small side effect, it also avoids some totally unnecessary hdfs file creates and
deletes in hdfs.

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