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Date: Fri, 24 Mar 2017 15:56:41 +0000 (UTC)
From: "Mukul Kumar Singh (JIRA)" <jira@apache.org>
To: hdfs-dev@hadoop.apache.org
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Subject: [jira] [Created] (HDFS-11575) Supporting HDFS NFS gateway with
 Federated HDFS
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archived-at: Fri, 24 Mar 2017 15:56:48 -0000

Mukul Kumar Singh created HDFS-11575:
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             Summary: Supporting HDFS NFS gateway with Federated HDFS
                 Key: HDFS-11575
                 URL: https://issues.apache.org/jira/browse/HDFS-11575
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: nfs
            Reporter: Mukul Kumar Singh
            Assignee: Mukul Kumar Singh


Currently HDFS NFS gateway only supports HDFS as the underlying filesystem.

Federated HDFS with ViewFS helps in improving the scalability of the name nodes. However NFS is not supported with ViewFS.

With this change, ViewFS using HDFS as the underlying filesystem can be exported using NFS. ViewFS mount table will be used to determine the exports which needs to be supported.

Please find the pdf document which helps in explaining the design and the solution. I will upload the patch in couple of days.
 

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