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From "Bryan Duxbury (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-643) Strange behavior with bin/hadoop dfs -mv
Date Tue, 22 Sep 2009 23:11:17 GMT
Strange behavior with bin/hadoop dfs -mv

                 Key: HDFS-643
                 URL: https://issues.apache.org/jira/browse/HDFS-643
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 0.20.1
            Reporter: Bryan Duxbury

I had a very strange experience today with the bin/hadoop dfs -mv command. I accidentally
passed 3 parameters, like so:

bin/hadoop dfs -mv /1 /2 /3

My intent was to mv /1 to /3, but mis-pasted some stuff. However, to my surprise, the result
I got was that /1 had been moved to /2, and /2 had then been moved to /3! This seems like
totally confusing semantics - I would have expected a 3-parameter move to either ignore the
3rd parameter or error out altogether. Needless to say, a solid 10 minutes of confused scrambling

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