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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5382) The new map/reduce api doesn't support combiners
Date Tue, 17 Mar 2009 20:59:50 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Owen O'Malley updated HADOOP-5382:
----------------------------------

    Attachment: h5382.patch

This patch pulls the combining functionality into an internal class with two implementations,
one for the old style combiners and one for the new style. Old and new combiners can  mix
and match with either new or old applications and therefore I removed the checks that forced
them to be consistent. 

> The new map/reduce api doesn't support combiners
> ------------------------------------------------
>
>                 Key: HADOOP-5382
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5382
>             Project: Hadoop Core
>          Issue Type: Bug
>    Affects Versions: 0.20.0
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: h5382.patch
>
>
> Currently, combiners are only called if they are defined using the old deprecated api.


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