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https://issues.apache.org/jira/browse/HDFS-12972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16323118#comment-16323118
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Íñigo Goiri commented on HDFS-12972:
------------------------------------

[~linyiqun], tested it in our cluster and a couple comments:
* In {{MountTable}}, the new {{if}} added, should have a space (I'm surprised 
that the checkstyle didn't call this out)
* For entries created before where the {{QuotaUsage}} of the {{MountTable}} are 
not set, it returns {{null}}. This is probably OK, but then in the Web UI and 
the admin tool, it shows as {{null}}. Those should consider this situation and 
show something more user-friendly.

> RBF: Display mount table quota info in Web UI and admin command
> ---------------------------------------------------------------
>
>                 Key: HDFS-12972
>                 URL: https://issues.apache.org/jira/browse/HDFS-12972
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: 3.0.0
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>         Attachments: HDFS-12972.001.patch
>
>
> Display mount table quota info in Web UI and admin command



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