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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-940) Distcp should not use mapred.system.dir
Date Mon, 31 Aug 2009 13:02:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12749481#action_12749481
] 

Ravi Gummadi commented on MAPREDUCE-940:
----------------------------------------

Amar is planning to change distcp also as part of MAPREDUCE-181

> Distcp should not use mapred.system.dir
> ---------------------------------------
>
>                 Key: MAPREDUCE-940
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-940
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: distcp
>            Reporter: Ravi Gummadi
>
> Distcp uses mapred.system.dir to create files like _distcp_src_files, _distcp_dst_files,
etc. Since MAPREDUCE-181 is removing exposing of mapred.stystem.dir, distcp needs to use something
like homeDir/.staging/  instead of mapred.system.dir. Please see the patch of MAPREDUCE-181
for more details.

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