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https://issues.apache.org/jira/browse/HDFS-8816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14641293#comment-14641293
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Ravi Prakash commented on HDFS-8816:
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Also, I'm not a fan of using moment.js to decrease the granularity of the "Last 
contact" information. If I had a timestamp there, it would make it a lot easier 
for me to grep through logs.

> Improve visualization for the Datanode tab in the NN UI
> -------------------------------------------------------
>
>                 Key: HDFS-8816
>                 URL: https://issues.apache.org/jira/browse/HDFS-8816
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         Attachments: HDFS-8816.000.patch, HDFS-8816.001.patch, 
> HDFS-8816.002.patch, HDFS-8816.png, Screen Shot 2015-07-23 at 10.24.24 AM.png
>
>
> The information of the datanode tab in the NN UI is clogged. This jira 
> proposes to improve the visualization of the datanode tab in the UI.



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