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Posted to common-dev@hadoop.apache.org by "Runping Qi (JIRA)" <ji...@apache.org> on 2008/05/10 08:09:55 UTC

[jira] Issue Comment Edited: (HADOOP-3297) The way in which ReduceTask/TaskTracker gets completion events during shuffle can be improved

    [ https://issues.apache.org/jira/browse/HADOOP-3297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595788#action_12595788 ] 

runping edited comment on HADOOP-3297 at 5/9/08 11:09 PM:
-------------------------------------------------------------

This jira was created because of  hadoop-3327


      was (Author: runping):
    This jira was created because of  hadoop-3323

  
> The way in which ReduceTask/TaskTracker gets completion events during shuffle can be improved
> ---------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3297
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3297
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>             Fix For: 0.18.0
>
>         Attachments: 3297.patch, 3297.patch
>
>
> Certain things like poll frequency, number of events fetched in one go, etc. can probably be improved to improve the shuffle performance. This would affect the task-->tasktracker and the tasktracker-->jobtracker shuffle related RPCs.

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