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https://issues.apache.org/jira/browse/HDFS-13254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17233481#comment-17233481
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JiangHua Zhu commented on HDFS-13254:
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Hi, all.
The content of your discussion is wonderful.
Here I want to add, whether we can consider moving data directly through cp/mv,
and it may be more efficient to move data through the bottom layer.
However, the content of ns, namenode, and datanode will be changed here.
> RBF: Cannot mv/cp file cross namespace
> --------------------------------------
>
> Key: HDFS-13254
> URL: https://issues.apache.org/jira/browse/HDFS-13254
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Wu Weiwei
> Assignee: Hemanth Boyina
> Priority: Major
>
> When I try to mv a file from a namespace to another, the client return an
> error.
>
> Do we have any plan to support cp/mv file cross namespace?
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