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Posted to mapreduce-dev@hadoop.apache.org by "tangshangwen (JIRA)" <ji...@apache.org> on 2018/05/11 09:10:00 UTC

[jira] [Created] (MAPREDUCE-7096) Distcp cannot copy files of the same name in different directories

tangshangwen created MAPREDUCE-7096:
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             Summary: Distcp cannot copy files of the same name in different directories
                 Key: MAPREDUCE-7096
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7096
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: distcp
    Affects Versions: 2.7.3
            Reporter: tangshangwen


When I tested distcp, I found that I could not copy files with the same name in different directories,here is my test case:

source:
/user/hadoop/dir1/a.txt
/user/hadoop/dir2/a.txt

target
/tmp/dist-cp/


hadoop distcp -m 2 -overwrite /user/hadoop/dir* /tmp/dist-cp/

result: failed


source:
/user/hadoop/dir1/a.txt
/user/hadoop/dir2/b.txt

target:
/tmp/dist-cp/


hadoop distcp -m 2 -overwrite /user/hadoop/dir* /tmp/dist-cp/

result: success



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