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Posted to yarn-issues@hadoop.apache.org by "Junping Du (JIRA)" <ji...@apache.org> on 2014/07/11 09:36:04 UTC

[jira] [Created] (YARN-2278) YARN RPC should support Protocol Version in client/server

Junping Du created YARN-2278:
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             Summary: 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


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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