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