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https://issues.apache.org/jira/browse/HADOOP-6047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721575#action_12721575
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Suresh Srinivas commented on HADOOP-6047:
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# It would be good to move all the code from DataXceiver.run() that reads
operations and the switch statement to DataTransferProtocol.Receiver and just
call right opXXX() method implemented by subclasses
# DataTransferProtocol.opBlockCheckSum() calls opCopyBlock() instead of
opBlockCheckSum()
> Code Refactoring: separate codes which implement DataTransferProtocol
> ---------------------------------------------------------------------
>
> Key: HADOOP-6047
> URL: https://issues.apache.org/jira/browse/HADOOP-6047
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: 6047_20090618.patch
>
>
> Codes implementing DataTransferProtocol are separated in DataNode, DFSClient,
> etc. Also, DataTransferProtocol only define constants but not methods.
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