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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6680) BlockPlacementPolicyDefault does not choose favored nodes correctly
Date Tue, 15 Jul 2014 01:08:05 GMT
Tsz Wo Nicholas Sze created HDFS-6680:
-----------------------------------------

             Summary: BlockPlacementPolicyDefault does not choose favored nodes correctly
                 Key: HDFS-6680
                 URL: https://issues.apache.org/jira/browse/HDFS-6680
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Tsz Wo Nicholas Sze


In one of the chooseTarget(..) methods, it tries all the favoredNodes to chooseLocalNode(..).
 It expects chooseLocalNode to return null if the local node is not a good target.  Unfortunately,
chooseLocalNode will fallback to chooseLocalRack but not returning null.



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