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Date: Thu, 27 Aug 2009 02:29:54 -0700 (PDT)
From: "Vinod K V (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Commented: (MAPREDUCE-829) When localizing job configuration
 from FS, TTs configuration on local disk is not loaded at all
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12748312#action_12748312 ] 

Vinod K V commented on MAPREDUCE-829:
-------------------------------------

This is not a problem in usual scenarios when TaskTracker process space creates JobConf objects and automatically loads mapred-default.xml and mapred-site.xml in it's classpath via JobConf's static block. But this is still a problem when these files are not used and instead TT is setup via a passed JobConf object, for e.g. in a test environment.

> When localizing job configuration from FS, TTs configuration on local disk is not loaded at all
> -----------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-829
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-829
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>            Reporter: Vinod K V
>
> We should first load the local configuration fConf, over which the job.xml from the JobTracker's file system should be loaded. This is needed so as to enforce settings specific to the TaskTracker if it has some.

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