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https://issues.apache.org/jira/browse/HDFS-5523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14368106#comment-14368106
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Zhe Zhang commented on HDFS-5523:
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bq. if the exports are not allowed to be nested, do we want to allow users to
mount the subdirectory of the export? e.g., the export is /a, can user mount
/a/b even /a/b is not in the export table?
Sorry I misunderstood this question. I don't think we should allow mounting a
dir that is not in the export table.
What I think we should allow is to put {{/a/b}} in the mount table, even
thought it's not a top-level directory.
> Support multiple subdirectory exports in HDFS NFS gateway
> ----------------------------------------------------------
>
> Key: HDFS-5523
> URL: https://issues.apache.org/jira/browse/HDFS-5523
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: nfs
> Reporter: Brandon Li
>
> Currently, the HDFS NFS Gateway only supports configuring a single
> subdirectory export via the {{dfs.nfs3.export.point}} configuration setting.
> Supporting multiple subdirectory exports can make data and security
> management easier when using the HDFS NFS Gateway.
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