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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3150) Move task file promotion into the task
Date Wed, 04 Jun 2008 18:48:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12602403#action_12602403
] 

Doug Cutting commented on HADOOP-3150:
--------------------------------------

We should use the "context" style here.  We should add something like:

{code}
public class OutputContext {
  // no public ctor -- only created by framework
  public Progressible getProgressible() {...};
  public JobConf getJob();
}
{code}

Then the OutputFormat methods can replace the JobConf parameters with OutputContext parameters.
 If we ever need to add more items to the context we can easily do so without breaking application
code.


> Move task file promotion into the task
> --------------------------------------
>
>                 Key: HADOOP-3150
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3150
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Owen O'Malley
>            Assignee: Devaraj Das
>             Fix For: 0.18.0
>
>         Attachments: 3150.patch
>
>
> We need to move the task file promotion from the JobTracker to the Task and move it down
into the output format.

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