Jinglun created HDFS-15767:
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Summary: 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
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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