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https://issues.apache.org/jira/browse/HADOOP-6240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755144#action_12755144
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Konstantin Shvachko commented on HADOOP-6240:
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> I could certainly be convinced that this kind of behavior is out of scope for
> HDFS and applications should use a database or zookeeper if they need
> semantics like this.
Yes. Rename with replace is usually used as locking mechanism. So why not to
use a locking service directly. like ZK.
> 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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