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From "Brandon Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5523) Support multiple subdirectory exports in HDFS NFS gateway
Date Wed, 18 Mar 2015 23:29:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14368136#comment-14368136
] 

Brandon Li commented on HDFS-5523:
----------------------------------

{quote}
What I think we should allow is to put /a/b in the mount table, even thought it's not a top-level
directory.
{quote}
Then we will have the tricky problem as I mentioned above: if /a and /a/b are both in export
table, "export /a is read-only but /a/b is read-write, when user traverse from /a to /a/b,
it's tricky to decide which access the user should have"

> 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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