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https://issues.apache.org/jira/browse/HADOOP-6240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12753730#action_12753730
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Suresh Srinivas commented on HADOOP-6240:
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Owen actually educated me that protected will also work here.
rename2 functionality cannot be implemented in FileContext. Given the existing
implementation of rename, for rename2 we have to delete existing rename
destination (directories or files) before proceeding to call rename. That will
not be atomic. Additionally if rename2 is not being exposed to applications and
is not a public method.
> Rename operation is not consistent between different implementations of
> FileSystem
> ----------------------------------------------------------------------------------
>
> Key: HADOOP-6240
> URL: https://issues.apache.org/jira/browse/HADOOP-6240
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Fix For: 0.21.0
>
>
> The rename operation has many scenarios that are not consistently implemented
> across file systems.
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