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https://issues.apache.org/jira/browse/HADOOP-4491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod K V updated HADOOP-4491:
------------------------------
Attachment: HADOOP-4491-20090810.1.txt
Attaching patch including most of the above comments.
bq. hadoop.log.dir in task-controller.cfg is not needed?
hadoop.log.dir is still needed to set permissions on userlogs/attempt-id
directories to be writable by the user's tasks and readable by TT for serving
via web UI.
bq. One more point which I discussed with Vinod. The changes in common are at
this point just a simple convenience wrapper API around the java.io.File APIs
for setting permissions. I propose we move this into the mapred patch itself
and open a JIRA to discuss the changes to common more carefully.
Moved these changes into TaskTracker.PermissionsHandler. In future (via
MAPREDUCE-759), this along with most of the remaining localization related
code should be refactored into a separate class.
> Per-job local data on the TaskTracker node should have right access-control
> ---------------------------------------------------------------------------
>
> Key: HADOOP-4491
> URL: https://issues.apache.org/jira/browse/HADOOP-4491
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: security
> Reporter: Arun C Murthy
> Assignee: Vinod K V
> Attachments: HADOOP-4491-20090623-common.1.txt,
> HADOOP-4491-20090623-mapred.1.txt, HADOOP-4491-20090703-common.1.txt,
> HADOOP-4491-20090703-common.txt, HADOOP-4491-20090703.1.txt,
> HADOOP-4491-20090703.txt, HADOOP-4491-20090707-common.txt,
> HADOOP-4491-20090707.txt, HADOOP-4491-20090716-mapred.txt,
> HADOOP-4491-20090803.1.txt, HADOOP-4491-20090803.txt,
> HADOOP-4491-20090806.txt, HADOOP-4491-20090807.2.txt,
> HADOOP-4491-20090810.1.txt
>
>
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