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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-14150) RBF: Quotas of the sub-cluster should be removed when removing the mount point
Date Fri, 14 Dec 2018 06:57:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720998#comment-16720998
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Brahma Reddy Battula commented on HDFS-14150:
---------------------------------------------

IMO, if this will be real case, retaining old values can be better..? 

> 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
>
> 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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