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Posted to common-issues@hadoop.apache.org by "Daryn Sharp (JIRA)" <ji...@apache.org> on 2013/08/02 02:17:49 UTC

[jira] [Commented] (HADOOP-9820) RPCv9 wire protocol is insufficient to support multiplexing

    [ https://issues.apache.org/jira/browse/HADOOP-9820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13727142#comment-13727142 ] 

Daryn Sharp commented on HADOOP-9820:
-------------------------------------

Sanjay and I spoke that this will be incompatible to fix in the future.
                
> 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
>
> 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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