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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-890) After HADOOP-4491, the user who started mapred system is not able to run job.
Date Fri, 04 Sep 2009 09:39:57 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod K V updated MAPREDUCE-890:
--------------------------------

    Attachment: MAPREDUCE-890-20090904.txt

Attaching patch which should be applied over the latest patch at MAPREDUCE-856. It follows
a slight modification of the second proposal above, which is
bq. Set drwxrws--- on $job_cache and $dist_cache in all cases. This means user's tasks CAN
potentially create unwarranted files/dirs in the $job_cache or $dist-cache or delete their
own files themselves.
So now, the user-directory taskTracker/$user will have "2570 user-owner task-tracker-group"
and all the world under it will have "2570/0770 user-owner task-tracker-group".

> After HADOOP-4491, the user who started mapred system is not able to run job.
> -----------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-890
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-890
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>            Reporter: Karam Singh
>            Assignee: Vinod K V
>         Attachments: MAPREDUCE-890-20090904.txt
>
>
> Even setup and cleanup task of job fails due exception -: It fails to create job and
related directories under mapred.local.dir/taskTracker/jobcache
> Directories are created as -:
> [dr-xrws--- mapred   hadoop  ]  job_200908190916_0002
> mapred is not wrtie under this. Even manually I failed to touch file.
> mapred is use of started mr cluster 

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