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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3150) Move task file promotion into the task
Date Wed, 27 Aug 2008 23:51:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12626370#action_12626370
] 

Owen O'Malley commented on HADOOP-3150:
---------------------------------------

Suggestions:
  * Move MRConstants.TMP_DIR_NAME to FileOutputFormat or FileOutputCommitter.
  * FileOutputCommitter.needsTaskCommit should throw the IOException rather than returning
true.
  * The comment on JobStatus.getCleanupProgress() is a cut and paste error.
  * JobTracker.getTasksToSave seems inefficient. Wouldn't it make more sense to get the TaskTrackerStatus
so that it could iterate over just the tasks that finished?

> 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: Amareshwari Sriramadasu
>             Fix For: 0.19.0
>
>         Attachments: 3150.patch, patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt,
patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt,
patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt,
patch-3150.txt, patch-3150.txt
>
>
> 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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