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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4415) Backport the Job.getInstance methods from MAPREDUCE-1505 to branch-1
Date Mon, 09 Jul 2012 20:56:35 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13409837#comment-13409837

Harsh J commented on MAPREDUCE-4415:

test-patch results:

     [exec] -1 overall.  
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]     +1 tests included.  The patch appears to include 12 new or modified tests.
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
     [exec]     -1 findbugs.  The patch appears to introduce 218 new Findbugs (version 2.0.1-rc3)
> Backport the Job.getInstance methods from MAPREDUCE-1505 to branch-1
> --------------------------------------------------------------------
>                 Key: MAPREDUCE-4415
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4415
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1
>    Affects Versions: 1.0.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>         Attachments: MAPREDUCE-4415.patch
> In 2.x MR, the Job constructors have all been deprecated in favor of Job.getInstance()
calls to get a Job object.
> However, these getInstance methods do not appear to be present in the 1.x MR API, and
thereby may cause additional pain to users moving from 1.x to 2.x going forward.
> This patch proposes to add in the getInstance style of methods with suitable test coverage
for both style of constructors, while not pulling in anything else from MAPREDUCE-1505 (as
we lack 'Cluster' in 1.x). As we're not going to be deprecating the regular ctors in a 1.x
release, this is not an incompatible change in any way.

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