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From "Manoj Govindassamy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11378) Verify multiple DataNodes can be decommissioned/maintenance at the same time
Date Fri, 27 Jan 2017 02:59:24 GMT
Manoj Govindassamy created HDFS-11378:
-----------------------------------------

             Summary: Verify multiple DataNodes can be decommissioned/maintenance at the same
time
                 Key: HDFS-11378
                 URL: https://issues.apache.org/jira/browse/HDFS-11378
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs
    Affects Versions: 3.0.0-alpha1
            Reporter: Manoj Govindassamy
            Assignee: Manoj Govindassamy


DecommissionManager is capable of transitioning multiple DataNodes to Decommission/Maintenance
states. Current tests under TestDecommission and TestMaintenanceState only request for one
DataNode for Decommission/Maintenance. Better if we can simulate real world cases whereby
multiple DataNodes can be taken out of service and verify the resulting block replication
factor for the files.



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