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https://issues.apache.org/jira/browse/HADOOP-8460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13287430#comment-13287430
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Robert Joseph Evans commented on HADOOP-8460:
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Roman,
Most of Hadoop's packaging also sets the default up properly, I believe that I
saw /var/run... in the setup scripts too. It is not a big issue hence it is
just a major bug, and we could drop it to minor if you want. There is still a
potential security hole if you are installing from the TGZ, and it is good to
warn users about it so they don't misconfigure it themselves. If you want me
to change the text of the warning accordingly, I am happy to do so.
Aaron,
Thanks for the feedback I will update the patches.
> Document proper setting of HADOOP_PID_DIR and HADOOP_SECURE_DN_PID_DIR
> ----------------------------------------------------------------------
>
> Key: HADOOP-8460
> URL: https://issues.apache.org/jira/browse/HADOOP-8460
> Project: Hadoop Common
> Issue Type: Bug
> Components: documentation
> Affects Versions: 1.0.3, 2.0.0-alpha
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Attachments: HADOOP-8460-branch-1.txt, HADOOP-8460-trunk.txt
>
>
> We should document that in a properly setup cluster HADOOP_PID_DIR and
> HADOOP_SECURE_DN_PID_DIR should not point to /tmp, but should point to a
> directory that normal users do not have access to.
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