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https://issues.apache.org/jira/browse/HADOOP-3182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12585871#action_12585871
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Tsz Wo (Nicholas), SZE commented on HADOOP-3182:
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> Should the JobClient ask the JobTracker to create this directory for it,
> rather than creating it itself?
In the current implementation, job-dir is created by user (not JobTracker) and
then user put the job related files like jobconf, job.jar in job-dir.
If JobTracker creates and owns this dir, we need to provide some way (may be
RPC) for user sending jobconf, job.jar, etc. to JobTracker.
> 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
>
>
> 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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