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Date: Fri, 9 Aug 2013 10:55:49 +0000 (UTC)
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Subject: [jira] [Commented] (HADOOP-9820) RPCv9 wire protocol is
 insufficient to support multiplexing
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    [ https://issues.apache.org/jira/browse/HADOOP-9820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13734663#comment-13734663 ] 

Hudson commented on HADOOP-9820:
--------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #296 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/296/])
HADOOP-9820. RPCv9 wire protocol is insufficient to support multiplexing. Contributed by Daryn Sharp. (jitendra: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1512091)
* /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/Server.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SaslRpcClient.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/proto/RpcHeader.proto

                
> RPCv9 wire protocol is insufficient to support multiplexing
> -----------------------------------------------------------
>
>                 Key: HADOOP-9820
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9820
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc, security
>    Affects Versions: 3.0.0, 2.1.0-beta
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>             Fix For: 3.0.0, 2.1.0-beta, 2.3.0, 2.1.1-beta
>
>         Attachments: HADOOP-9820.patch, HADOOP-9820.patch
>
>
> RPCv9 is intended to allow future support of multiplexing.  This requires all wire messages to be tagged with a RPC header so a demux can decode and route the messages accordingly.
> RPC ping packets and SASL QOP wrapped data is known to not be tagged with a header.

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