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https://issues.apache.org/jira/browse/HADOOP-3182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587486#action_12587486
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Owen O'Malley commented on HADOOP-3182:
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+1 for the 777 on the directory for now.
In the medium term we need to remove the job client doing anything to the
system dir. The client should just submit using rpc and the job tracker should
be the one writing it to hdfs.
> JobClient creates submitJobDir with SYSTEM_DIR_PERMISSION ( rwx-wx-wx)
> ----------------------------------------------------------------------
>
> Key: HADOOP-3182
> URL: https://issues.apache.org/jira/browse/HADOOP-3182
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.16.2
> Reporter: lohit vijayarenu
> Assignee: Tsz Wo (Nicholas), SZE
> Priority: Blocker
> Fix For: 0.16.3, 0.17.0
>
> Attachments: 3182_20080408.patch, 3182_20080408.patch,
> 3182_20080408_0.16.patch
>
>
> JobClient creates submitJobDir with SYSTEM_DIR_PERMISSION ( rwx-wx-wx ) which
> causes problem while sharing a cluster.
> Consider the case where userA starts jobtracker/tasktrackers and userB
> submits a job to this cluster. When userB creates submitJobDir it is created
> with rwx-wx-wx which cannot be read by tasktracker started by userA
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