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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2600) MR-279: simplify the jars
Date Thu, 11 Aug 2011 16:51:27 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13083220#comment-13083220
] 

Luke Lu commented on MAPREDUCE-2600:
------------------------------------

bq. I don't see how it makes development easier or faster to have lots of little directories.

Smaller module means smaller code base to start for a typical feature and much faster to recompile
if one doesn't use an IDE. i.e, just mvn clean install in the module directory. yarn only
have 5 modules (including an integration test module), the mapreduce runtime has 6 modules.
Is this "lots of little directories" that's out of control?

> MR-279: simplify the jars 
> --------------------------
>
>                 Key: MAPREDUCE-2600
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2600
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Owen O'Malley
>            Assignee: Luke Lu
>
> Currently the MR-279 mapreduce project generates 59 jars from 59 source roots, which
can be dramatically simplified.

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