He Xiaoqiao created HDFS-11231:
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Summary: federation support to linux-like mount type
Key: HDFS-11231
URL: https://issues.apache.org/jira/browse/HDFS-11231
Project: Hadoop HDFS
Issue Type: Improvement
Components: federation
Reporter: He Xiaoqiao
Based on Federation Arch, it can mount multi namespaces using mount table,
currently, mount point only support leaf node of mount tree as mount point, it
is hard to one directory, especially there are many children dir, for instance
you have to mount hundreds of path /foo/ children dir in mount table if you
have mount one child of path /foo/. this issue will implement linux-like mount
type, and it may be more convenient to partition existing dir or add new dir to
one of arbitrary namespace.
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