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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1274) Configuring different number of mappers and reducers per TaskTracker
Date Fri, 20 Apr 2007 23:22:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12490474
] 

Koji Noguchi commented on HADOOP-1274:
--------------------------------------

> Currently this is possible by setting mapred.tasktracker.tasks.maximum differently for
tasktrackers,

My subject was maybe misleading.
What I meant was to have more mappers than reducers within each TaskTracker.


> Configuring different number of mappers and reducers per TaskTracker
> --------------------------------------------------------------------
>
>                 Key: HADOOP-1274
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1274
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Koji Noguchi
>            Priority: Minor
>
> Depending on the application, it sometimes make sense to have more mappers than reducers
assigned to each node. 
> (I'm assuming user either has a dedicated cluster or use HOD.)

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