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From "Bikas Saha (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2913) HA: Need a way to shutdown the Name Node
Date Tue, 07 Feb 2012 23:51:01 GMT
HA: Need a way to shutdown the Name Node

                 Key: HDFS-2913
                 URL: https://issues.apache.org/jira/browse/HDFS-2913
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: name-node
    Affects Versions: HA branch (HDFS-1623)
            Reporter: Bikas Saha
            Assignee: Bikas Saha

Ideally, NameNode.stop() needs to be called because it will change the HA state and shutdown
all services. NameNode reference is not available anywhere. Hence it is not possible to shutdown
the name node gracefully.

A possible solution could be to have a Service interface that gets passed down to components
like FSNameSystem, via which they can inform the NameNode about irrecoverable errors. NameNode
could then decide to shutdown.

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