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From "Harold Lim (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-1451) Extend the pluggable block placement policy interface to handle/allow file-level intelligence
Date Mon, 11 Oct 2010 18:29:32 GMT
Extend the pluggable block placement policy interface to handle/allow file-level intelligence
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                 Key: HDFS-1451
                 URL: https://issues.apache.org/jira/browse/HDFS-1451
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 0.21.0
            Reporter: Harold Lim


The current pluggable block placement policy interface (https://issues.apache.org/jira/browse/HDFS-385)
sets the policy globally. I propose to have this interface be extended to allow setting the
policy on a file-level basis. For example, there may be cases where certain files may simply
need the default policy and certain other files need more complex block placement policies.





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