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Posted to common-issues@hadoop.apache.org by "Jonathan Turner Eagles (Jira)" <ji...@apache.org> on 2021/07/22 14:43:00 UTC
[jira] [Commented] (HADOOP-11452) Make FileSystem.rename(path,
path, options) public, specified, tested
[ https://issues.apache.org/jira/browse/HADOOP-11452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17385552#comment-17385552 ]
Jonathan Turner Eagles commented on HADOOP-11452:
-------------------------------------------------
[~stevel@apache.org], can we get this PR rebased? I like to help review this patch to get it checked in.
> Make FileSystem.rename(path, path, options) public, specified, tested
> ---------------------------------------------------------------------
>
> 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
> Priority: Major
> Labels: pull-request-available
> Attachments: HADOOP-11452-001.patch, HADOOP-11452-002.patch, HADOOP-14452-004.patch, HADOOP-14452-branch-2-003.patch
>
> Time Spent: 4h
> Remaining Estimate: 0h
>
> 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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