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From "Brandon Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4750) Support NFSv3 interface to HDFS
Date Tue, 30 Apr 2013 05:26:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13645272#comment-13645272
] 

Brandon Li commented on HDFS-4750:
----------------------------------

@Allen{quote}Any clients besides Linux and Mac OS X? (FWIW: OS X's NFS client has always been
a bit flaky...) Have we thought about YANFS support?{quote}
Weeks ago, did some manual tests with Window NFSv3 client before we changed the RPC authentication
support form AUTH_NULL to AUTH_SYS. We didn't try it again after the change. Mapping Windows
users to Unix users may be needed to test it again.

We looked a few other NFS implementations. Eventually we decide to implement one. The major
reason is that, the NFS should work around a few HDFS limitations, and also tightly coupled
with HDFS protocols. 
                
> Support NFSv3 interface to HDFS
> -------------------------------
>
>                 Key: HDFS-4750
>                 URL: https://issues.apache.org/jira/browse/HDFS-4750
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>    Affects Versions: 3.0.0
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>         Attachments: HADOOP-NFS-Proposal.pdf, nfs-trunk.patch
>
>
> Access HDFS is usually done through HDFS Client or webHDFS. Lack of seamless integration
with client’s file system makes it difficult for users and impossible for some applications
to access HDFS. NFS interface support is one way for HDFS to have such easy integration.
> This JIRA is to track the NFS protocol support for accessing HDFS. With HDFS client,
webHDFS and the NFS interface, HDFS will be easier to access and be able support more applications
and use cases. 
> We will upload the design document and the initial implementation. 

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