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Posted to hdfs-issues@hadoop.apache.org by "ZanderXu (Jira)" <ji...@apache.org> on 2022/09/06 07:23:00 UTC

[jira] [Created] (HDFS-16758) Add an optional RetriableFileFastCopyCommand to Distcp

ZanderXu created HDFS-16758:
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             Summary: Add an optional RetriableFileFastCopyCommand to Distcp
                 Key: HDFS-16758
                 URL: https://issues.apache.org/jira/browse/HDFS-16758
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: ZanderXu
            Assignee: ZanderXu


Add an optional RetriableFileFastCopyCommand to Distcp to support copying a contiguous file from one namespace to another via FastCopy.

RetriableFileFastCopyCommand will be a subClass of RetriableFileCopyCommand. If the files to be copied does not meet the conditions of FastCopy, it will automatically call the super method to copy the files.

 

Tips: Current task only supports copy the contiguous file.



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