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https://issues.apache.org/jira/browse/HADOOP-9151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13537620#comment-13537620
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Todd Lipcon commented on HADOOP-9151:
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bq. getting rid of writable in serialized rpc request and response is equally
important
It's not a custom writable. It's a 4-byte length-prefixed string (which happens
to be implemented by a class called WritableUtils). This is super easy to
serialize in any language. In fact, anyone implementing RPC already needs to
implement length-prefixed strings in order to send the protos themselves.
I won't debate it's a wart. It's just not worth the pain to fix it in branch-2
when it doesn't buy us any real advantages.
bq. I and Sanjay have spent quite a lot of time on this
It's a 5kb patch...?
> 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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