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From "Suresh Srinivas (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2660) Turn off TestDFSOverAvroRpc
Date Tue, 13 Dec 2011 01:01:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168012#comment-13168012
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Suresh Srinivas commented on HDFS-2660:
---------------------------------------

Okay with your patch the protobuf based RPCs are failing.

Before protobuf conversion, the RPC server had protocol and corresponding implementation was
implementation of that interface. With protobuf, the server has been changed to use <Protocol>PB
interface. However the implementation that is passed is BlockingService (which is does not
have the same interface as <Protocol>PB). Can Avro work with this?

In order to support Avro, the right way to do it is, change the getServer() calls and addProtocol()
calls to use WireProtocol and no longer just setting the RPC engine. Does RPC engine pluggability
mean, just change the RPC engine to some other engine and every thing continues work fine?
                
> Turn off TestDFSOverAvroRpc
> ---------------------------
>
>                 Key: HDFS-2660
>                 URL: https://issues.apache.org/jira/browse/HDFS-2660
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: test
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: 0.24.0
>
>         Attachments: HDFS-2660.patch, HDFS-2660.txt
>
>
> With HDFS-2647, protobuf based RPCs are enabled for some of the protocol. With this,
Avro RPC based protocol is not working. Avro based RPC needs to be turned on similar to how
protobuf based RPCs are done. Until such a time, I propose turning off the test.

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