Fengnan Li created HDFS-16487:
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Summary: RBF: getListing uses raw mount table points
Key: HDFS-16487
URL: https://issues.apache.org/jira/browse/HDFS-16487
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Fengnan Li
Assignee: Fengnan Li
In getListing, the result is a union of subclusters results and mount points.
However these two are of different concepts and the latter one is something
Router internal. It is very possible that the actual path doesn't exist in the
dest HDFS yet.
Can we choose a different strategy that check each children mount point and
confirm there is the HDFS path in the dest cluster? If so, we can add it;
otherwise we should skip this mount because it confuses clients. (Clients could
directly create a subdir under a dangling mount point)
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