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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-1629) Add a method to BlockPlacementPolicy for not removing the chosen nodes
Date Wed, 16 Feb 2011 07:38:58 GMT
Add a method to BlockPlacementPolicy for not removing the chosen nodes
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                 Key: HDFS-1629
                 URL: https://issues.apache.org/jira/browse/HDFS-1629
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Tsz Wo (Nicholas), SZE
            Assignee: Tsz Wo (Nicholas), SZE


{{BlockPlacementPolicy}} supports chosen nodes in some of the {{chooseTarget(..)}} methods.
 The chosen nodes will be removed from the output array.  For adding new datanodes to an existing
pipeline, it is useful to keep the chosen nodes in the output array.



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