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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-11452) Revisit FileSystem.rename(path, path, options)
Date Wed, 04 Jan 2017 11:40:58 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steve Loughran updated HADOOP-11452:
------------------------------------
             Assignee: Steve Loughran  (was: Yi Liu)
    Affects Version/s: 2.7.3
              Summary: Revisit FileSystem.rename(path, path, options)  (was: Revisit FileSystem#rename)

> Revisit FileSystem.rename(path, path, options)
> ----------------------------------------------
>
>                 Key: HADOOP-11452
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11452
>             Project: Hadoop Common
>          Issue Type: Task
>          Components: fs
>    Affects Versions: 2.7.3
>            Reporter: Yi Liu
>            Assignee: Steve Loughran
>
> Currently in {{FileSystem}}, {{rename}} with _Rename options_ is protected and with _deprecated_
annotation. And the default implementation is not atomic.
> So this method is not able to be used outside. On the other hand, HDFS has a good and
atomic implementation. (Also an interesting thing in {{DFSClient}}, the _deprecated_ annotations
for these two methods are opposite).
> It makes sense to make public for {{rename}} with _Rename options_, since it's atomic
for rename+overwrite, also it saves RPC calls if user desires rename+overwrite.



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