[jira] [Commented] (HDFS-17723) RBF: Optimize multiple mount point removal

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-17723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18069770#comment-18069770 ] 

ASF GitHub Bot commented on HDFS-17723:
---------------------------------------

kokonguyen191 opened a new pull request, #8396:
URL: https://github.com/apache/hadoop/pull/8396

   ### Description of PR
   
   https://issues.apache.org/jira/browse/HDFS-17723
   
   Since each remove operation forces an update on all routers, removing a lot of mount points in one go when there are a decent number of routers can take a long time. It's better to just remove all of them in a batch and force update only once. Useful for nuking old unused mount points.
   
   Reopened to add some small fixes and since it was bot closed
   
   ### How was this patch tested?
   
   UTs + have been in use in production environment for over a year




> RBF: Optimize multiple mount point removal
> ------------------------------------------
>
>                 Key: HDFS-17723
>                 URL: https://issues.apache.org/jira/browse/HDFS-17723
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Felix N
>            Assignee: Felix N
>            Priority: Minor
>              Labels: pull-request-available
>
> Since each remove operation forces an update on all routers, removing a lot of mount points in one go when there are a decent number of routers can take a long time. It's better to just remove all of them in a batch and force update only once. Useful for nuking old unused mount points.



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