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From "Nicolas Spiegelberg (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-6915) Add daemon restart option
Date Thu, 12 Aug 2010 22:00:25 GMT
Add daemon restart option
-------------------------

                 Key: HADOOP-6915
                 URL: https://issues.apache.org/jira/browse/HADOOP-6915
             Project: Hadoop Common
          Issue Type: Improvement
          Components: scripts
            Reporter: Nicolas Spiegelberg
            Priority: Minor
             Fix For: 0.22.0, 0.20-append


With the addition of AvatarNode, we are working on a rolling restart option for upgrading
a cluster.  It seems that a generic restart option would be useful for this purpose and perhaps
other administrative tasks.  Add a 'restart' option to hadoop-daemon.sh and also modify 'slaves.sh'
to run operations in parallel or serially.  

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