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https://issues.apache.org/jira/browse/HADOOP-13402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15388537#comment-15388537
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Chris Nauroth commented on HADOOP-13402:
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Also relevant is the override of {{testRenameDirIntoExistingDir}} in
{{TestS3AContractRename}}. S3A is the only file system that provides a special
case override of that in its contract tests.
> S3A should allow renaming to a pre-existing destination directory to move the
> source path under that directory, similar to HDFS.
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-13402
> URL: https://issues.apache.org/jira/browse/HADOOP-13402
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Rajesh Balamohan
> Priority: Minor
>
> In HDFS, a rename to a destination path that is a pre-existing directory is
> interpreted as moving the source path relative to that pre-existing
> directory. In S3A, this operation currently fails (does nothing and returns
> {{false}}), unless that destination directory is empty. This issue proposes
> to change S3A to allow this behavior, so that it more closely matches the
> semantics of HDFS and other file systems.
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