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https://issues.apache.org/jira/browse/HADOOP-4783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12682155#action_12682155
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Hudson commented on HADOOP-4783:
--------------------------------
Integrated in Hadoop-trunk #780 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/780/])
. Change permissions on history files on the jobtracker to be only group
readable instead of world readable. Contributed by Amareshwari Sriramadasu.
> History files are given world readable permissions.
> ---------------------------------------------------
>
> Key: HADOOP-4783
> URL: https://issues.apache.org/jira/browse/HADOOP-4783
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.19.0
> Reporter: Hemanth Yamijala
> Assignee: Amareshwari Sriramadasu
> Priority: Blocker
> Fix For: 0.20.0
>
> Attachments: patch-4783-1.txt, patch-4783-2.txt, patch-4783-2.txt,
> patch-4783.txt
>
>
> It is found that history files are being created with permissions 0777. On
> shared clusters this is opening up too much. However, there is a requirement
> to allow Chukwa to read history files. (See HADOOP-4705). This issue is to
> set up appropriate permissions for the files to be as restrictive as
> required, while still fixing the problem for Chukwa.
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