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https://issues.apache.org/jira/browse/HADOOP-3935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12621859#action_12621859
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Raghu Angadi commented on HADOOP-3935:
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BlockReceiver and PacketResponder implement parts of the same
operation/protocol. Should they be in the same file?
> Extract classes from DataNode.java
> ----------------------------------
>
> Key: HADOOP-3935
> URL: https://issues.apache.org/jira/browse/HADOOP-3935
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Reporter: Johan Oskarsson
> Assignee: Johan Oskarsson
> Priority: Trivial
> Attachments: HADOOP-3935.patch
>
>
> DataNode.java is becoming hard to navigate with over 3000 lines of code. I
> suggest moving some of the classes out into their own files in the same
> package. This will also make it easier to see how the classes depend on each
> other and to see what code belongs where.
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