Nandakumar created HDFS-12123:
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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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