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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3223) Remove MR1 configs from mapred-default.xml
Date Thu, 02 Aug 2012 16:22:03 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427418#comment-13427418
] 

Robert Joseph Evans commented on MAPREDUCE-3223:
------------------------------------------------

I did a quick look through the changes, and the tests pass so I am +1 on the change as is.

Are there any JIRAs to deprecate the configs from where they reside in the code? ./hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/server/jobtracker/JTConfig.java
for example. I know we cannot delete them out just yet, because MRV1 code still exists and
may be using it, but it would be good to mark all of those configs as deprecated. So that
we can delete them in trunk once the MRV1 code is completely removed.  A separate JIRA is
fine for that, which is why I am still +1 on the original patch.
                
> Remove MR1 configs from mapred-default.xml
> ------------------------------------------
>
>                 Key: MAPREDUCE-3223
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3223
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: documentation, mrv2
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: mr-3223.txt, mr-3223.txt
>
>
> All of the MRv1 configs are still in mapred-default.xml. This is confusing when trying
to make config changes. Since a lot of the input/output format tests still depend on MR1,
I'd like to move these to src/test/mapred-site.xml for now, and once that dependency is broken,
we can remove them entirely.

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