[jira] [Updated] (HADOOP-19864) Cut WritableRPCEngine

["Steve Loughran (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-19864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran updated HADOOP-19864:
------------------------------------
    Description: 
Cut {{WritableRpcEngine}} from the code

It's been obsolete for over a decade, with MAPREDUCE-6706 not needed internally.
Tez still uses it (TEZ-4708 ) so this removal will be incompatible for them. 

Note: there is a small followup patch which simply disables WritableRPCEngine on endpoints where protobuf is the wire format. That can be pulled back without compatibility risks.

  was:
Cut {{WritableRpcEngine}} from the code

It's been obsolete for over a decade, with MAPREDUCE-6706 not needed internally.
Tez still uses it (TEZ-4708 ) so this removal will be incompatible for them. 


> Cut WritableRPCEngine
> ---------------------
>
>                 Key: HADOOP-19864
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19864
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>    Affects Versions: 3.6.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.6.0
>
>
> Cut {{WritableRpcEngine}} from the code
> It's been obsolete for over a decade, with MAPREDUCE-6706 not needed internally.
> Tez still uses it (TEZ-4708 ) so this removal will be incompatible for them. 
> Note: there is a small followup patch which simply disables WritableRPCEngine on endpoints where protobuf is the wire format. That can be pulled back without compatibility risks.



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