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https://issues.apache.org/jira/browse/HDFS-13364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16420793#comment-16420793
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Íñigo Goiri commented on HDFS-13364:
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[~linyiqun], thanks for the comments.
* I renamed NamenodeProto to RouterNamenodeProtocol and made it implement
NamenodeProtocol; this should keep compatibility easy to maintain.
* I added tests for the missing methods.
* I wished we had multiple inheritance and this could be split in modules
cleanly without having to call everything twice (maybe we could leverage
reflection). Anyway, yes, it would be a good idea to split ClientProtocol into
a RouterClientProtocol module. I would create a separate JIRA for that.
> RBF: Support NamenodeProtocol in the Router
> -------------------------------------------
>
> Key: HDFS-13364
> URL: https://issues.apache.org/jira/browse/HDFS-13364
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
> Attachments: HDFS-13364.000.patch, HDFS-13364.001.patch,
> HDFS-13364.002.patch, HDFS-13364.003.patch, HDFS-13365.004.patch
>
>
> The Router should support the NamenodeProtocol to get blocks, versions, etc.
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