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https://issues.apache.org/jira/browse/HADOOP-9151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13544180#comment-13544180
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Suresh Srinivas commented on HADOOP-9151:
-----------------------------------------

bq.  think it's beneficial for Hadoop 2.0.x and 2.1.x to remain wire-compatible 
with 2.0.2 and earlier
I do not think this is such a big issue. I have not seen any reply to the 
following question I asked earlier.

bq. Do you know how many production deployments are there on apache 
2.0.2-alpha? Why they will be reluctant to upgrade their entire stack, inspite 
of having chosen an alpha release and what justifies the expectation of wire 
compatibility that has never been promised on Apache releases?

Lets no add unnecessary complexity to the Apache code.

                
> Include RPC error info in RpcResponseHeader instead of sending it separately
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-9151
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9151
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>         Attachments: HADOOP-9151.patch
>
>


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