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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-398) refactor the mapred package into small pieces
Date Tue, 01 Aug 2006 18:24:14 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-398?page=comments#action_12424970 ] 
            
Doug Cutting commented on HADOOP-398:
-------------------------------------

+1

I would name the "utils" package "common" or something instead, since "util" might imply it's
for users.

Should we also move the input & output format implementations to an "io" package, or to
the "lib" package?

> refactor the mapred package into small pieces
> ---------------------------------------------
>
>                 Key: HADOOP-398
>                 URL: http://issues.apache.org/jira/browse/HADOOP-398
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.4.0
>            Reporter: Owen O'Malley
>         Assigned To: Owen O'Malley
>
> The mapred package has gotten too big, so I propose changing it to split it into parts.
> I propose the following splits:
> org.apache.hadoop.mapred = client API
> org.apache.hadoop.mapred.task = code for task tracker
> org.apache.hadoop.mapred.job = code for job tracker
> org.apache.hadoop.mapred.utils = non public code that is shared between the servers
> Does anyone have any other divisions that would help?
> I would make the classes sent through RPC public classes in the server's package.
> Thoughts?

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