Kai Zheng created HDFS-8022:
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             Summary: Erasure Coding: handle read/write failure for 
non-stripping coding blocks
                 Key: HDFS-8022
                 URL: https://issues.apache.org/jira/browse/HDFS-8022
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Kai Zheng
            Assignee: Tsz Wo Nicholas Sze


In *non-stripping* case, for (6, 3)-Reed-Solomon, ECWorker reads 6 data blocks 
and writes 3 parity blocks. We need to handle datanode or network failures when 
reading or writing local or remote blocks.



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