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https://issues.apache.org/jira/browse/HDFS-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121603#comment-13121603
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Todd Lipcon commented on HDFS-2181:
-----------------------------------

Hi Sanjay. One question:

bq. As we add new types in future releases, the protocol version will NOT 
change (recall the rule - add new types and new methods)

Is that still true, after this feature? I thought that, with this new protocol 
selection feature, we would simply duplicate the "protocolR23" package to 
"protocolR24" when R24 was released, etc? So we only had to worry about 
method/field compatibility within a release, but between releases, we could 
change the wire format as we liked?
                
> Seperate HDFS wire protocol data types
> --------------------------------------
>
>                 Key: HDFS-2181
>                 URL: https://issues.apache.org/jira/browse/HDFS-2181
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>         Attachments: separateDataType1.patch, separateDataType10.patch, 
> separateDataType11.patch, separateDataType12.patch, separateDataType13.patch, 
> separateDataType14.patch, separateDataType16.patch, separateDataType19.patch, 
> separateDataType2.patch, separateDataType6.patch, separateDataType7.patch, 
> separateDataType8.patch, separateDataType9.patch
>
>


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