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From "James Kinley (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4946) Allow preferLocalNode in BlockPlacementPolicyDefault to be configurable
Date Mon, 01 Jul 2013 09:54:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Kinley updated HDFS-4946:
-------------------------------

    Summary: Allow preferLocalNode in BlockPlacementPolicyDefault to be configurable  (was:
Allow preferLocalNode to be configurable in BlockPlacementPolicyDefault)
    
> Allow preferLocalNode in BlockPlacementPolicyDefault to be configurable
> -----------------------------------------------------------------------
>
>                 Key: HDFS-4946
>                 URL: https://issues.apache.org/jira/browse/HDFS-4946
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.0.0-alpha
>            Reporter: James Kinley
>
> Allow preferLocalNode in BlockPlacementPolicyDefault to be disabled in configuration
to prevent a client from writing the first replica of every block (i.e. the entire file) to
the local DataNode.

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