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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9683) Wrap IpcConnectionContext in RPC headers
Date Wed, 03 Jul 2013 18:28:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13699289#comment-13699289
] 

Hadoop QA commented on HADOOP-9683:
-----------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12590683/HADOOP-9683.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-common-project/hadoop-common.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/2730//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/2730//console

This message is automatically generated.
                
> Wrap IpcConnectionContext in RPC headers
> ----------------------------------------
>
>                 Key: HADOOP-9683
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9683
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: ipc
>            Reporter: Luke Lu
>            Assignee: Daryn Sharp
>            Priority: Blocker
>         Attachments: HADOOP-9683.patch
>
>
> After HADOOP-9421, all RPC exchanges (including SASL) are wrapped in RPC headers except
IpcConnectionContext, which is still raw protobuf, which makes request pipelining (a desirable
feature for things like HDFS-2856) impossible to achieve in a backward compatible way. Let's
finish the job and wrap IpcConnectionContext with the RPC request header with the call id
of SET_IPC_CONNECTION_CONTEXT. Or simply make it an optional field in the RPC request header
that gets set for the first RPC call of a given stream.

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