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https://issues.apache.org/jira/browse/HDFS-15767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17259942#comment-17259942
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Íñigo Goiri commented on HDFS-15767:
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Let's try to isolate the code for the distributed rename a little.
* Can we move the core of the changes to RouterClientProtocol into a separate
file?
* In RouterRpcServer, can we move the code to initialize the renamer into a
separate method?
* The name scheduler in RouterRpcServer is a little vague, can we add some
reference to rename?
* Can we leave TestRouterRpc without any of the renaming across namespaces and
create a full new file with the renaming?
* I'm a little concerned with the distcp dependency for testing in RBF; they
are only for testing but not sure is the cleanest to have this implicit
circular dependencies.
> RBF: Router federation rename of directory.
> -------------------------------------------
>
> Key: HDFS-15767
> URL: https://issues.apache.org/jira/browse/HDFS-15767
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jinglun
> Assignee: Jinglun
> Priority: Major
> Attachments: HDFS-15767.001.patch
>
>
> This Jira trys to support rename of directory across namespaces using
> fedbalance framework.
> We can do the router federation rename when:
> # Both the src and dst has only one remote location.
> # The src and dst remote locations are at different namespaces.
> # The src is a directory.(Fedbalance depends on snapshot).
> # The dst doesn't exist.
> We can implement router federation rename of file in a new task so the patch
> won't be too big to review.
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