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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-6051) distcp does not skip copying file if we are updating single file
Date Tue, 16 Jun 2009 08:34:07 GMT
distcp does not skip copying file if we are updating single file
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                 Key: HADOOP-6051
                 URL: https://issues.apache.org/jira/browse/HADOOP-6051
             Project: Hadoop Core
          Issue Type: Bug
          Components: tools/distcp
    Affects Versions: 0.21.0
            Reporter: Ravi Gummadi
             Fix For: 0.21.0


distcp doesn't skip copying file when we do -update on single file if the destfile already
exists.

When we do 

hadoop distcp -update srcfilename destfilename

it seems to be comparing checksums of srcfilename and destfilename/srcfilename and so skip
is not done. It should compare checksums of srcfilename and destfilename.

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