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https://issues.apache.org/jira/browse/HDFS-2990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13214992#comment-13214992
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Tsz Wo (Nicholas), SZE commented on HDFS-2990:
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> ... The classes I'm interested in aren't utilities, they are part of the core
> of the NameNode. For example, EditLogInputStream, FSEditLogOp, and so forth.
> ...
How about moving only EditLogInputStream, FSEditLogOp, and so forth (frankly, I
don't know what is "so forth") to a new package? It makes some progress on
cleaning up the code. As you mentioned, the current image/edit code is quite
messy.
> Move OfflineImageViewer, OfflineEditsViewer into the same package as the
> NameNode
> ---------------------------------------------------------------------------------
>
> Key: HDFS-2990
> URL: https://issues.apache.org/jira/browse/HDFS-2990
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-2990.patch
>
>
> Since OfflineImageviewer and OfflineEditsVeiwer are in different namespaces
> than the NameNode, we can't ruuse a lot of the code from the NameNode without
> making things public that we probably don't want to make public. Let's move
> them into the NameNode namespace to avoid this problem. These tools will
> always be tightly tied to the NameNode anyway (they are parsing the same
> on-disk structures, after all), so that is where they belong.
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