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https://issues.apache.org/jira/browse/HADOOP-15211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16355832#comment-16355832
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Steve Loughran commented on HADOOP-15211:
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Do mean "copies permissions over"? Because update is different from non
updating distcp, in that it doesn't create dest, it copies src/**/* into the
already existing dest (at least I think so).
What happens if you try the command and dest doesn't exist?
> Distcp update not preserving root directory permissions
> -------------------------------------------------------
>
> Key: HADOOP-15211
> URL: https://issues.apache.org/jira/browse/HADOOP-15211
> Project: Hadoop Common
> Issue Type: Bug
> Components: tools/distcp
> Affects Versions: 2.6.0
> Reporter: PRASHANT GOLASH
> Priority: Minor
>
> "hadoop distcp -pugpb -update <SRC> <DEST>" does not preserve permission for
> <DEST> directory. Although, it preserves permissions for child directories
> (<DEST>/child1 etc.)
> Using hadoop-distcp', version:'2.6.0-cdh5.7.2
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