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https://issues.apache.org/jira/browse/HDFS-16011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18042029#comment-18042029
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ASF GitHub Bot commented on HDFS-16011:
---------------------------------------

github-actions[bot] closed pull request #2987: HDFS-16011. Support ViewFs 
nested mount
URL: https://github.com/apache/hadoop/pull/2987




> HDFS: Support viewfs nested mount
> ---------------------------------
>
>                 Key: HDFS-16011
>                 URL: https://issues.apache.org/jira/browse/HDFS-16011
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs, viewfs
>    Affects Versions: 3.2.2, 3.3.1, 3.4.0
>            Reporter: Xiangyi Zhu
>            Assignee: Xiangyi Zhu
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> The current viewfs does not support nested mount points. The current viewfs 
> does not support nested mount points. 
> *E.g:*
>     1./home/ => /home/
>     2./home/work => /home/work
> If mount point 1 is loaded, mount point 2 cannot be added, and the following 
> exception will be thrown when loading 2.
> {code:java}
> throw new FileAlreadyExistsException("Path " + nextInode.fullPath +
>  " already exists as link");
> {code}



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