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Posted to hdfs-dev@hadoop.apache.org by "Kai Zheng (JIRA)" <ji...@apache.org> on 2016/01/05 06:45:39 UTC

[jira] [Created] (HDFS-9613) Minor improvement and clean up in distcp

Kai Zheng created HDFS-9613:
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             Summary: Minor improvement and clean up in distcp
                 Key: HDFS-9613
                 URL: https://issues.apache.org/jira/browse/HDFS-9613
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Kai Zheng
            Assignee: Kai Zheng
            Priority: Minor


While working on related issue, it was noticed there are some places in {{distcp}} that's better to be improved and cleaned up. Particularly, after a file is coped to target cluster, it will check the copied file is fine or not. When checking, better to check block size first, then the checksum, because the later is a little expensive.



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