dead datanode set should be maintained in the file handle or file system for
hdfs
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Key: HADOOP-893
URL: https://issues.apache.org/jira/browse/HADOOP-893
Project: Hadoop
Issue Type: Bug
Components: dfs
Reporter: Owen O'Malley
Assigned To: Sameer Paranjpye
Currently each call to read is creating a new set of dead datanodes. It seems
like it would be more useful to keep a set of dead datanodes at either the file
handle or file system level since dead datanodes are probably not quite that
transient.
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