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https://issues.apache.org/jira/browse/HDFS-14150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16735578#comment-16735578
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Hadoop QA commented on HDFS-14150:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  6s{color} 
| {color:red} HDFS-14150 does not apply to trunk. Rebase required? Wrong 
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-14150 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12953958/HDFS-14150.2.patch |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/25924/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> RBF: Quotas of the sub-cluster should be removed when removing the mount point
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-14150
>                 URL: https://issues.apache.org/jira/browse/HDFS-14150
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Takanobu Asanuma
>            Assignee: Takanobu Asanuma
>            Priority: Major
>              Labels: RBF
>         Attachments: HDFS-14150.1.patch, HDFS-14150.2.patch
>
>
> From HDFS-14143
> {noformat}
> $ hdfs dfsrouteradmin -add /ns1_data ns1 /data
> $ hdfs dfsrouteradmin -setQuota /ns1_data -nsQuota 10 -ssQuota 10
> $ hdfs dfsrouteradmin -ls /ns1_data
> Source                    Destinations              Owner                     
> Group                     Mode                      Quota/Usage
> /ns1_data                ns1->/data                 tasanuma                
> users                      rwxr-xr-x                 [NsQuota: 10/1, SsQuota: 
> 10 B/0 B]
> $ hdfs dfsrouteradmin -rm /ns1_data
> $ hdfs dfsrouteradmin -add /ns1_data ns1 /data
> $ hdfs dfsrouteradmin -ls /ns1_data
> Source                    Destinations              Owner                     
> Group                     Mode                      Quota/Usage
> /ns1_data                ns1->/data                 tasanuma                
> users                      rwxr-xr-x                 [NsQuota: -/-, SsQuota: 
> -/-]
> $ hadoop fs -put file1 /ns1_data/file1
> put: The DiskSpace quota of /data is exceeded: quota = 10 B = 10 B but 
> diskspace consumed = 402653184 B = 384 MB
> {noformat}
> This is because the quotas of the subclusters still remain after "hdfs 
> dfsrouteradmin -rm". And "hdfs dfsrouteradmin -add" doesn't reflect the 
> existing quotas.



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