Strange behavior with bin/hadoop dfs -mv
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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:
{code}
bin/hadoop dfs -mv /1 /2 /3
{code}
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
commenced.
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