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From "Joydeep Sen Sarma (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-1355) Hive should use NullOutputFormat for hadoop jobs
Date Thu, 20 May 2010 01:05:53 GMT
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


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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