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https://issues.apache.org/jira/browse/HDFS-9193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Chang Li updated HDFS-9193:
---------------------------
    Status: Patch Available  (was: Open)

the error is caused by a reference error happened in dfshealth.js when trying 
to load datanodes tab page
{code}
} else if (u.usedPercentage < 85) {
{code}
the u is defined no where
uploaded patch fix this problem

> when a datanode's usage go above 70 percent, we can't open datanodes tab in 
> NN UI
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-9193
>                 URL: https://issues.apache.org/jira/browse/HDFS-9193
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Chang Li
>            Assignee: Chang Li
>            Priority: Blocker
>         Attachments: HDFS-9193.patch
>
>




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