dragon created HDFS-10055:
-----------------------------

             Summary: CLONE - Erasure Coding: simplify the retry logic in 
DFSStripedInputStream (stateful read)
                 Key: HDFS-10055
                 URL: https://issues.apache.org/jira/browse/HDFS-10055
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: dragon
            Assignee: Jing Zhao
             Fix For: HDFS-7285


Currently in DFSStripedInputStream the retry logic is still the same with 
DFSInputStream. More specifically, every failed read will try to search for 
another source node. And an exception is thrown when no new source node can be 
identified. This logic is not appropriate for EC inputstream and can be 
simplified.



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