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From "Amr Awadallah (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5684) separate jvm param for mapper and reducer
Date Wed, 15 Apr 2009 21:06:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12699383#action_12699383
] 

Amr Awadallah commented on HADOOP-5684:
---------------------------------------

+1, I like this idea.

-- amr

> separate jvm param for mapper and reducer
> -----------------------------------------
>
>                 Key: HADOOP-5684
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5684
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Koji Noguchi
>            Priority: Minor
>
> Memory footprint of mapper and reducer can differ. 
> It would be nice if we can pass different jvm param (mapred.child.java.opts) for mappers
and reducers.

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