liuguanghua created HDFS-17581:
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Summary: Add FastCopy tool and support dfs -fastcp command
Key: HDFS-17581
URL: https://issues.apache.org/jira/browse/HDFS-17581
Project: Hadoop HDFS
Issue Type: Sub-task
Components: hdfs
Reporter: liuguanghua
Assignee: liuguanghua
Add FastCopy Tool ：
（1） support data replication with replication files
（2） support data replication with ec files
And add hdfs dfs -fastcp command for copy file use fastcopy. And the fastcp is
similar to cp command
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