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https://issues.apache.org/jira/browse/HDFS-5523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14361225#comment-14361225
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Brandon Li commented on HDFS-5523:
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[~zhz], please feel free to take over. I am not working on it currently.
A few things/questions I can think about regarding the support of this feature:
1. if there are multiple exports, each export may need an access setting like
that in Linux export table
2. do we want to allow exporting both a directory and its subdirectory, e.g.,
export /a and /a/b?
3. 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?
> 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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