[jira] [Created] (HBASE-16516) Revisit the implementation of PayloadCarryingRpcController

[Duo Zhang (JIRA)]

Duo Zhang created HBASE-16516:
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             Summary: Revisit the implementation of PayloadCarryingRpcController
                 Key: HBASE-16516
                 URL: https://issues.apache.org/jira/browse/HBASE-16516
             Project: HBase
          Issue Type: Sub-task
            Reporter: Duo Zhang
            Assignee: Duo Zhang


First, it should be an interface, the current implementation of 
{{DelegatingPayloadCarryingRpcController}} is weird.

Second, we need to be more careful when dealing with cancel.



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