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From "Sanjay Radia (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7557) Make IPC header be extensible
Date Wed, 26 Oct 2011 01:06:32 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13135599#comment-13135599
] 

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

Update on the  current Wire protocol:
ConnectionHeader IpcConnectionHeader [IpcCallHeader,RpcPayload] [IpcCallHeader,RpcPayload]
...
Currently IpcCallHeader is simply the CallId (an int); and it is not even defined as a header
but is simply serialized before the RpcPayload is serialized:
{code}
// d is the data output buffer and param is rpcPayload.
d.writeInt(call.id);
call.param.write(d);
{code}

I suggest that we make the ipcCallHeader a real header.


                
> Make  IPC  header 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: HADOOP-7557.patch, IpcHeader.proto, ipcHeader1.patch, ipcHeader2.patch
>
>


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