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https://issues.apache.org/jira/browse/HDFS-15243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17068387#comment-17068387
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liuyanyu commented on HDFS-15243:
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Thanks [~ayushtkn] for reviewing this.
In our production cluster, When we protect a directory we mainly to protect the
data under this directory not just protect this directory . Because the
import business data directories are hundreds or thousands in our cluster, we
can not set so many directories to fs.protected.directories. So we want to
mark a parent directory of several business directories to protected directory,
then the child directories can not be delete or renamed.
> Child directory should not be deleted or renamed if parent directory is a
> protected directory
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-15243
> URL: https://issues.apache.org/jira/browse/HDFS-15243
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: 3.1.1
> Affects Versions: 3.1.1
> Reporter: liuyanyu
> Priority: Major
>
> HDFS-8983 add fs.protected.directories to support protected directories on
> NameNode. But as I test, when set a parent directory（eg /testA) to
> protected directory, the child directory (eg /testA/testB) still can be
> deleted or renamed. When we protect a directory mainly for protecting the
> data under this directory , So I think the child directory should not be
> delete or renamed if the parent directory is a protected directory.
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