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https://issues.apache.org/jira/browse/HDFS-16011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhu updated HDFS-16011:
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Affects Version/s: 3.4.0
> 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: zhu
> Assignee: zhu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> 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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