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https://issues.apache.org/jira/browse/HDFS-16017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17341657#comment-17341657
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Ayush Saxena commented on HDFS-16017:
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Nopes, We can't do that. The mount entry will get preference always, Because if
we tend to read or access a directory the path will get resolved with respect
to the mount table first, so the reason for overwriting is that we won't be
able to access the directory overlapping with mount entry, that is why we
overwrite it with the mount entry in listing as well.
> RBF: The getListing method should not overwrite the Listings returned by the
> NameNode
> -------------------------------------------------------------------------------------
>
> Key: HDFS-16017
> URL: https://issues.apache.org/jira/browse/HDFS-16017
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.3.1
> Reporter: zhu
> Priority: Major
>
> Regarding the getListing method, when the directory returned by NameNode is a
> mount point in MountTable, the list returned by Namenode shall prevail.
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