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https://issues.apache.org/jira/browse/OOZIE-862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Britt Cyr updated OOZIE-862:
----------------------------
Attachment: OOZIE-862.patch
> In Map-only Streaming (reducer=NONE), oozie runs reducer along with mapper(s).
> ------------------------------------------------------------------------------
>
> Key: OOZIE-862
> URL: https://issues.apache.org/jira/browse/OOZIE-862
> Project: Oozie
> Issue Type: Improvement
> Reporter: Britt Cyr
> Priority: Minor
> Attachments: OOZIE-862.patch
>
>
> Oozie runs map-only streaming job with reducer, which is not intended.
> It always creates reducer when I give any of the following in *workflow.xml*
> --------------------------------------------
> <streaming>
> <mapper>mule_perm.pl</mapper>
> <reducer>NONE</reducer>
> </streaming>
> --------------------------------------------
> Or
> --------------------------------------------
> <streaming>
> <mapper>mule_perm.pl</mapper>
> </streaming>
> --------------------------------------------
> No reducer is created only when, I give following in *workflow.xml* as
> configuration. (which is not intuitive/matching with hadoop jar streaming
> command).
> ------------------------------------------
> <configuration>
> <property>
> <name>mapred.reduce.tasks</name>
> <value>0</value>
> </property>
> ...
> ------------------------------------------
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