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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-3297) The way in which ReduceTask/TaskTracker gets completion events during shuffle can be improved
Date Wed, 07 May 2008 23:03:55 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Owen O'Malley updated HADOOP-3297:
----------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

I just committed this. Thanks, Devaraj!

> 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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