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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9683) Wrap IpcConnectionContext in RPC headers
Date Wed, 17 Jul 2013 13:18:54 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13711059#comment-13711059
] 

Hudson commented on HADOOP-9683:
--------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1463 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1463/])
HADOOP-9683. [RPC v9] Wrap IpcConnectionContext in RPC headers (daryn) (daryn: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1503811)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/RpcConstants.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestSaslRPC.java

                
> 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
>             Fix For: 3.0.0, 2.1.0-beta, 2.3.0
>
>         Attachments: HADOOP-9683.branch-2.patch, HADOOP-9683.patch, HADOOP-9683.trunk.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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