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https://issues.apache.org/jira/browse/HADOOP-3913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12623306#action_12623306
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Suman Sehgal commented on HADOOP-3913:
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Yeah the distcp operation was carried out by the same user who created
directory (as mentioned by you in previous comment). Superuser was able to
access the directory with 000 permissions but in normal Linux enviornment a
user who creates the directory, can't access its contents on 000 permission. If
its the special scenario of HDFS then it should be documented.
> Distcp allows copy even if directory permissions are 000.
> ---------------------------------------------------------
>
> Key: HADOOP-3913
> URL: https://issues.apache.org/jira/browse/HADOOP-3913
> Project: Hadoop Core
> Issue Type: Bug
> Components: tools/distcp
> Affects Versions: 0.18.0
> Reporter: Suman Sehgal
>
> distcp initiated from 0.17.0 and 0.18.0 permissions turned ON, directory with
> permission 000, data gets copied from
> 0.18.0 to 0.17.0
> Data gets copied between different versions of hadoop when tried by the same
> user. It gets failed only if other
> user(other than the user who started cluster) tries to copy data using distcp.
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