Kai Zheng created HDFS-7866:
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             Summary: Erasure coding: Allow NameNode to load, list and sync 
predefined EC schemas
                 Key: HDFS-7866
                 URL: https://issues.apache.org/jira/browse/HDFS-7866
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Kai Zheng
            Assignee: Kai Zheng


This is to extend NameNode to load, list and sync predefine EC schemas in 
authorized and controlled approach. The provided facilities will be used to 
implement DFSAdmin commands so admin can list available EC schemas, then could 
choose some of them for target EC zones.



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