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Posted to common-issues@hadoop.apache.org by "Wei-Chiu Chuang (Jira)" <ji...@apache.org> on 2021/05/17 03:00:00 UTC

[jira] [Updated] (HADOOP-17680) Allow ProtobufRpcEngine to be extensible

     [ https://issues.apache.org/jira/browse/HADOOP-17680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wei-Chiu Chuang updated HADOOP-17680:
-------------------------------------
    Fix Version/s: 3.2.3
                   3.1.5
                   3.4.0
                   3.3.1

> 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
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.3.1, 3.4.0, 3.1.5, 3.2.3
>
>          Time Spent: 1h 40m
>  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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