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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13673) Update sbin/start-* and sbin/stop-* to be smarter
Date Mon, 03 Oct 2016 17:49:20 GMT
Allen Wittenauer created HADOOP-13673:

             Summary: Update sbin/start-* and sbin/stop-* to be smarter
                 Key: HADOOP-13673
                 URL: https://issues.apache.org/jira/browse/HADOOP-13673
             Project: Hadoop Common
          Issue Type: Bug
          Components: scripts
    Affects Versions: 3.0.0-alpha1, 3.0.0-alpha2
            Reporter: Allen Wittenauer
            Assignee: Allen Wittenauer

As work continues on HADOOP-13397, it's become evident that we need better hooks to start
daemons as specifically configured users.  Via the (command)_(subcommand)_USER environment
variables in 3.x, we actually have a standardized way to do that.  This in turn means we can
make the sbin scripts super functional with a bit of updating:

* Consolidate start-dfs.sh and start-secure-dns.sh into one script
* Make start-*.sh and stop-*.sh know how to switch users when run as root
* Undeprecate start/stop-all.sh so that it could be used as root for production purposes and
as a single user for non-production users

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