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From "Gunnar Tapper (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-1574) Add user management to Ambari
Date Thu, 07 Mar 2013 21:38:15 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-1574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13596411#comment-13596411
] 

Gunnar Tapper commented on AMBARI-1574:
---------------------------------------

Exactly. 

For example, it took me a few seconds to figure out that I had to use the HDFS user to set
up the /user/<user-name> directories in HDFS -- I thought I could use root since I installed
Ambari using root. I haven't looked into whether I need to use different users for Hive and
other services. 

Overall, it would be good to understand which user IDs to use for what or, even better, hide
such questions under different screens in the client. For example, it wasn't obvious at first
which used to run the TestDFSIO benchmark until I took a look at the content of /etc/passwd
and figured out that there was an HDFS user and, therefore, it was the likely user ID to run
HDFS benchmarks from. (It is.) I might have missed were such information is kept -- the documentation
tab for the Ambari project only provides an installation guide.
                
> Add user management to Ambari
> -----------------------------
>
>                 Key: AMBARI-1574
>                 URL: https://issues.apache.org/jira/browse/AMBARI-1574
>             Project: Ambari
>          Issue Type: Wish
>          Components: client
>    Affects Versions: 1.2.1
>         Environment: Any
>            Reporter: Gunnar Tapper
>
> Today, Ambari alows you to install, start, and monitor most Hadoop services. However,
Ambari doesn't support user management for these services, which means that you cannot completely
use Ambari to enable the use of an Hadoop environment.

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