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From "Sanjay Radia (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7557) Make IPC and RPC headers be extensible
Date Tue, 04 Oct 2011 18:43:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13120370#comment-13120370
] 

Sanjay Radia commented on HADOOP-7557:
--------------------------------------

* One can define interoperable well-specified standards in several ways including using PB.

* Interoperable well-specified standards have to be defined not just for the connection header
but for the HDFS and MR protocols. I am sure you are not suggesting that we drop the use of
tools like PB and Avro completely at all layers.
* Given that we are going to use PB/Avro at upper layers, we don't want to make a special
case for the connection header. PB makes it easy to extend the headers. Yes I know we can
do this manually but this is much easier with PB. Indeed one can argue that all of what PB
and Avro do can be manually done and have been manually done in various protocols for the
last 30 years.
                
> Make  IPC and RPC headers be extensible
> ---------------------------------------
>
>                 Key: HADOOP-7557
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7557
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>         Attachments: IpcHeader.proto
>
>


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