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From Daryn Sharp <da...@yahoo-inc.com>
Subject Re: easy mv or heavy mv
Date Fri, 24 Aug 2012 21:48:16 GMT
Yes, it just does a trivial update of the inodes (metainfo).

Daryn

On Aug 24, 2012, at 2:25 PM, Yue Guan <pipehappy@gmail.com> wrote:

> Hi, there
> 
> I'm just want to know that for hadoop dfs -mv. Does 'mv' just change the 
> meta info, or really copy data around on the hdfs? Thank you very much!
> 
> Thanks


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