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Date: Tue, 11 Jul 2017 18:07:00 +0000 (UTC)
From: "Nandakumar (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Created] (HDFS-12123) Ozone: OzoneClient: Abstraction of
 OzoneClient and default implementation
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archived-at: Tue, 11 Jul 2017 18:07:13 -0000

Nandakumar created HDFS-12123:
---------------------------------

             Summary: Ozone: OzoneClient: Abstraction of OzoneClient and default implementation
                 Key: HDFS-12123
                 URL: https://issues.apache.org/jira/browse/HDFS-12123
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ozone
            Reporter: Nandakumar
            Assignee: Nandakumar


{{OzoneClient}} interface defines all the client operations supported by Ozone. 
{{OzoneClientImpl}} will have the default implementation, it should connects to KSM, SCM and DataNode through RPC to execute client calls.
Similarly we should have a client implementation which implements {{OzoneClient}} and uses REST protocol to execute client calls.
This will provide lots of flexibility to Ozone applications, when applications are running inside the cluster, they can use RPC protocol, but when running from outside the cluster, the same applications can speak REST protocol to communicate with Ozone.


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