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From "Sreekanth Ramakrishnan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-1695) MapJoin followed by ReduceSink should be done as single MapReduce Job
Date Mon, 13 Dec 2010 12:16:01 GMT

     [ https://issues.apache.org/jira/browse/HIVE-1695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sreekanth Ramakrishnan updated HIVE-1695:
-----------------------------------------

    Attachment: hive-1695-1.patch

Attaching a patch which fixes the test case to include the plan changes which are required
in this new case.



> MapJoin followed by ReduceSink should be done as single MapReduce Job
> ---------------------------------------------------------------------
>
>                 Key: HIVE-1695
>                 URL: https://issues.apache.org/jira/browse/HIVE-1695
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Amareshwari Sriramadasu
>         Attachments: hive-1695-1.patch, hive-1695.patch
>
>
> Currently MapJoin followed by ReduceSink runs as two MapReduce jobs : One map only job
followed by a Map-Reduce job. It can be combined into single MapReduce Job.

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