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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7374) Allow decommissioning of dead DataNodes
Date Thu, 06 Nov 2014 18:33:33 GMT
Zhe Zhang created HDFS-7374:

             Summary: Allow decommissioning of dead DataNodes
                 Key: HDFS-7374
                 URL: https://issues.apache.org/jira/browse/HDFS-7374
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Zhe Zhang
            Assignee: Zhe Zhang

We have seen the use case of decommissioning DataNodes that are already dead or unresponsive,
and not expected to rejoin the cluster.

The logic introduced by HDFS-6791 will mark those nodes as {{DECOMMISSION_INPROGRESS}}, with
a hope that they can come back and finish the decommission work. If an upper layer application
is monitoring the decommissioning progress, it will hang forever.

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