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https://issues.apache.org/jira/browse/HADOOP-3626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat resolved HADOOP-3626.
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    Resolution: Duplicate

Duplicate of HADOOP-3578.

> map/reduce clients should not access the system dir directly
> ------------------------------------------------------------
>
>                 Key: HADOOP-3626
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3626
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Owen O'Malley
>
> Map/Reduce's use of the system directory with clients creating directories 
> and files directly is very insecure. We should change the job client to 
> create a staging directory in the user's home directory on the same file 
> system as the system directory. 

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