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From "Joydeep Sen Sarma (JIRA)" <>
Subject [jira] Updated: (HIVE-1355) Hive should use NullOutputFormat for hadoop jobs
Date Tue, 01 Jun 2010 23:51:41 GMT


Joydeep Sen Sarma updated HIVE-1355:

    Attachment: 1355.1.patch

set nulloutputformat as hive output format
set option to omit setup/cleanup for hive submitted jobs

> Hive should use NullOutputFormat for hadoop jobs
> ------------------------------------------------
>                 Key: HIVE-1355
>                 URL:
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Joydeep Sen Sarma
>            Assignee: Joydeep Sen Sarma
>         Attachments: 1355.1.patch
> see
> 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
> as a small side effect, it also avoids some totally unnecessary hdfs file creates and
deletes in hdfs.

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