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https://issues.apache.org/jira/browse/HDFS-2470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16911687#comment-16911687
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Siddharth Wagle commented on HDFS-2470:
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In 08 removed the root dir permission setting.
Regarding setting the default for StorageDirectory, I am not sure we should do
that since it might have a chance of breaking some dependency somewhere else,
as stated earlier with shortcircuit reads.
> NN should automatically set permissions on dfs.namenode.*.dir
> -------------------------------------------------------------
>
> Key: HDFS-2470
> URL: https://issues.apache.org/jira/browse/HDFS-2470
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.0.0-alpha
> Reporter: Aaron T. Myers
> Assignee: Siddharth Wagle
> Priority: Major
> Attachments: HDFS-2470.01.patch, HDFS-2470.02.patch,
> HDFS-2470.03.patch, HDFS-2470.04.patch, HDFS-2470.05.patch,
> HDFS-2470.06.patch, HDFS-2470.07.patch, HDFS-2470.08.patch
>
>
> Much as the DN currently sets the correct permissions for the
> dfs.datanode.data.dir, the NN should do the same for the
> dfs.namenode.(name|edit).dir.
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