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https://issues.apache.org/jira/browse/HDFS-11557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15949564#comment-15949564
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Chen Liang commented on HDFS-11557:
-----------------------------------
[~dmtucker], I'm no expert on this code path, but given that it looks like
delete dir is the only place where ignoreEmptyDir is set to true, I think this
must be intentionally written, otherwise there is simply no need to even have
this field.
[~wheat9], do you have any comments on this? Since this code is introduced in
HDFS-7573 where you are the author.
> Empty directories may be recursively deleted without being listable
> -------------------------------------------------------------------
>
> Key: HDFS-11557
> URL: https://issues.apache.org/jira/browse/HDFS-11557
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Affects Versions: 2.7.3
> Reporter: David Tucker
> Assignee: Chen Liang
>
> To reproduce, create a directory without read and/or execute permissions
> (i.e. 0666, 0333, or 0222), then call delete on it with can_recurse=True.
> Note that the delete succeeds even though the client is unable to check for
> emptiness and, therefore, cannot otherwise know that any/all children are
> deletable.
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