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From "Chuan Liu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8455) Address user name format on domain joined Windows machines
Date Thu, 31 May 2012 16:49:23 GMT
Chuan Liu created HADOOP-8455:
---------------------------------

             Summary: Address user name format on domain joined Windows machines
                 Key: HADOOP-8455
                 URL: https://issues.apache.org/jira/browse/HADOOP-8455
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 1.1.0, 0.24.0
            Reporter: Chuan Liu
            Assignee: Ivan Mitic
            Priority: Minor


For a domain joined Windows machine, user name along is not a unique identifier. User name
plus domain name is need in order to unique identify the user. For example, we can have both
‘Win1\Alex’ and ‘Redmond\Alex’ on a computer named Win1 that joins Redmond domain.
In order to avoid ambiguity, ‘whoami’ on Windows and the new ‘winutils’ created in
[Hadoop-8235|https://issues.apache.org/jira/browse/HADOOP-8235] both return [domain]\[username]
as the username. In Hadoop, we only use user name right now. This may lead to some inconsistency,
and production bugs if users of the same name exist on the machine.

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