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Posted to hdfs-dev@hadoop.apache.org by "liuguanghua (Jira)" <ji...@apache.org> on 2024/07/26 08:11:00 UTC

[jira] [Created] (HDFS-17592) FastCopy support data copy in different nameservices without federation

liuguanghua created HDFS-17592:
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             Summary: FastCopy support data copy in different nameservices without federation
                 Key: HDFS-17592
                 URL: https://issues.apache.org/jira/browse/HDFS-17592
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: liuguanghua


FastCopy is  a faster data copy tools.  In federation cluster  or a single cluster , FastCopy copy blocks via hardlink.  This is more much faster than original copy.

FastCopy can support data copy via transfer in different nameservices without federation. In theory, it could save almost half the time  compared to origianl  copy.



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