[jira] [Resolved] (HDFS-16724) RBF should support get the information about ancestor mount points

["Íñigo Goiri (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Íñigo Goiri resolved HDFS-16724.
--------------------------------
    Fix Version/s: 3.4.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

> RBF should support get the information about ancestor mount points
> ------------------------------------------------------------------
>
>                 Key: HDFS-16724
>                 URL: https://issues.apache.org/jira/browse/HDFS-16724
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: ZanderXu
>            Assignee: ZanderXu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>
> Suppose RBF cluster have 2 nameservices and to mount point as below:
>  * /user/ns1 -> ns1 -> /user/ns1
>  * /usre/ns2 -> ns2 -> /user/ns2
> Suppose we disable default nameservice of the RBF cluster and try to getFileInfo of the path /user, RBF will throw one IOException to client due to can not find locations for path /user. 
> But as this case, RBF should should return one valid response to client, because /user has two sub mount point ns1 and ns2.



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