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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2278) YARN RPC should support Protocol Version in client/server
Date Fri, 11 Jul 2014 07:40:04 GMT

     [ https://issues.apache.org/jira/browse/YARN-2278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Junping Du updated YARN-2278:
-----------------------------

    Attachment: YARN-2278-demo.patch

Update a demo patch to show a fix in client side. 

> YARN RPC should support Protocol Version in client/server
> ---------------------------------------------------------
>
>                 Key: YARN-2278
>                 URL: https://issues.apache.org/jira/browse/YARN-2278
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 2.4.1
>            Reporter: Junping Du
>            Assignee: Junping Du
>         Attachments: YARN-2278-demo.patch
>
>
> Currently in HadoopYarnProtoRPC.java, we are put a fix version number (1) in getting
client proxy.
> {code}
> return RpcFactoryProvider.getClientFactory(conf).getClient(protocol, 1, addr, conf);
> {code}
> In rolling-upgrade scenario, it is possible that the client and server of YARN components
could in different versions. We should fix this with getting version number from ProtocolPB
(ProtocolInfo annotation) as HDFS already did.



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