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Posted to mapreduce-dev@hadoop.apache.org by "Bhallamudi Venkata Siva Kamesh (Created) (JIRA)" <ji...@apache.org> on 2011/11/24 19:24:39 UTC

[jira] [Created] (MAPREDUCE-3471) Provide NullOutputCommitter

Provide NullOutputCommitter
---------------------------

                 Key: MAPREDUCE-3471
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3471
             Project: Hadoop Map/Reduce
          Issue Type: New Feature
            Reporter: Bhallamudi Venkata Siva Kamesh


Hadoop by default provides only FileOutputCommitter and the same has been used internally except in the NOF.
There are cases where using FOC is not much appropriate.

Example
DBOutputFormat instantiates FOC, though it does nothing.
I think using NOC will be much more appropriate here.

And also it can be used along with other OFs, where taking special care of the task/job output directories may not be required.

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