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https://issues.apache.org/jira/browse/HDFS-4750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13649369#comment-13649369
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Brandon Li commented on HDFS-4750:
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Hi Brock,
Thanks for the review!
{quote} I don't see any concept of controlling export by hostname or ip range.
FWWIW, that code can probably be taken directly from the NFS4 proxy.{quote}
Cool, thanks! :-)
{quote}Can you speak to the reason you chose to use DFSClient directly as
opposed to using FileSystem?{quote}
DFSClient provides finer control of HDFS RPC parameters. Also it could be
easier to add new interfaces to DFSClient than FileSystem in case we need some
special support from HDFS for NFS. The drawback is that, we have to provide the
utilities in FileSystem but not DFSClient, e.g., statistics and cache.
> 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, HDFS-4750.patch, 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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