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Posted to hdfs-dev@hadoop.apache.org by "Jeff Hammerbacher (JIRA)" <ji...@apache.org> on 2010/04/29 11:55:54 UTC

[jira] Created: (HDFS-1120) Make DataNode's block-to-device placement policy pluggable

Make DataNode's block-to-device placement policy pluggable
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                 Key: HDFS-1120
                 URL: https://issues.apache.org/jira/browse/HDFS-1120
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: data-node
            Reporter: Jeff Hammerbacher


As discussed on the mailing list, as the number of disk drives per server increases, it would be useful to allow the DataNode's policy for new block placement to grow in sophistication from the current round-robin strategy.

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