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https://issues.apache.org/jira/browse/HDFS-15767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17261069#comment-17261069
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Jinglun commented on HDFS-15767:
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Hi [~elgoiri], thanks your nice suggestions ! Take the 1th~4th advice and
submit v02.
{quote}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.
{quote}
I don't figure out a cleaner way. So I'm thinking what if in the future we need
the DistCp to use classes from hadoop-hdfs-rbf ? I think by that time we can
create a new module named hadoop-rbf-distcp depending on hadoop-hdfs-rbf and
hadoop-distcp. Then in this new module we can extend the DistCp to handle the
Router.
> 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, HDFS-15767.002.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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