Method MountTableResolver->getMountPoint will traverse mount table and return the first mount point which the input path starts with, but the condition is not sufficient.
Suppose the mount point table contains: "/user" "/user/test" "/user/test1", if the input path is "/user/test111", the return mount point is "/user/test1", but the correct one should be "/user".
- is broken by
HDFS-10880 Federation Mount Table State Store internal API
- is related to
HDFS-13253 RBF: Quota management incorrect parent-child relationship judgement