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https://issues.apache.org/jira/browse/HADOOP-17680?focusedWorklogId=598059&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-598059
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ASF GitHub Bot logged work on HADOOP-17680:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 17/May/21 18:28
            Start Date: 17/May/21 18:28
    Worklog Time Spent: 10m 
      Work Description: jojochuang closed pull request #2905:
URL: https://github.com/apache/hadoop/pull/2905


   


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 598059)
    Time Spent: 2h 10m  (was: 2h)

> Allow ProtobufRpcEngine to be extensible
> ----------------------------------------
>
>                 Key: HADOOP-17680
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17680
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: common
>            Reporter: Hector Sandoval Chaverri
>            Assignee: Hector Sandoval Chaverri
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.3.1, 3.4.0, 3.1.5, 2.10.2, 3.2.3
>
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> The ProtobufRpcEngine class doesn't allow for new RpcEngine implementations 
> to extend some of its inner classes (e.g. Invoker and 
> Server.ProtoBufRpcInvoker). Also, some of its methods are long enough such 
> that overriding them would result in a lot of code duplication (e.g. 
> Invoker#invoke and Server.ProtoBufRpcInvoker#call).
> When implementing a new RpcEngine, it would be helpful to reuse most of the 
> code already in ProtobufRpcEngine. This would allow new fields to be added to 
> the RPC header or message with minimal code changes.



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