Istvan Toth created HDFS-17765:
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             Summary: Provide a mechanism for reordering datanode priority  
when reading
                 Key: HDFS-17765
                 URL: https://issues.apache.org/jira/browse/HDFS-17765
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: hdfs-client
            Reporter: Istvan Toth


HBASE-6435 has added an ugly hack to avoid long waits for HDFS timeouts when 
reading data whoose primary DataNode is known to be down.

With JEP-416 that solution is no longer working.

Provide some solution for HBASE-6435 that does require horrible reflection 
based hacks.



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