[jira] [Work started] (HDFS-12123) Ozone: OzoneClient: Abstraction of OzoneClient and default implementation

["Nandakumar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-12123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HDFS-12123 started by Nandakumar.
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> 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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