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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6240) Rename operation is not consistent between different implementations of FileSystem
Date Mon, 14 Sep 2009 19:28:57 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755144#action_12755144
] 

Konstantin Shvachko commented on HADOOP-6240:
---------------------------------------------

> 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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