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https://issues.apache.org/jira/browse/HADOOP-8993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486389#comment-13486389
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Suresh Srinivas commented on HADOOP-8993:
-----------------------------------------
FileUtil is tagged as InterfaceAudience.Public. That means other hadoop
projects or applications could be using them.
> Remove unused methods from FileUtil class
> -----------------------------------------
>
> Key: HADOOP-8993
> URL: https://issues.apache.org/jira/browse/HADOOP-8993
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Ivan A. Veselovsky
> Assignee: Ivan A. Veselovsky
> Priority: Minor
> Attachments: HADOOP-8993-branch-0.23.patch, HADOOP-8993-branch-2.patch
>
>
> Some methods in class org.apache.hadoop.fs.FileUtil are used neither in
> project code nor in tests, that is, are a dead code.
> This lowers the overall coverage of that class.
> The suggested patches remove the unused methods.
> Note: one of #copy(5) method is unused in 0.23 branch, while is used in
> branch-2, so the patches for these branches are different.
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