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https://issues.apache.org/jira/browse/HDFS-13059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16338574#comment-16338574
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Allen Wittenauer commented on HDFS-13059:
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bq. Is that our case here? I think so.
Some questions to think about:
a) How does one compare the pie chart from multiple clusters?
b) Given that there will be times when two or more of the slices of the pie
charts will be nearly the same size, what does that tell the user?
c) When storage is added to a cluster, how is that reflected in the pie chart
over time?
> Add pie chart in NN UI to show storage used
> -------------------------------------------
>
> Key: HDFS-13059
> URL: https://issues.apache.org/jira/browse/HDFS-13059
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ajay Kumar
> Assignee: Ajay Kumar
> Priority: Major
> Attachments: HDFS-13059.001.patch, HDFS-13059.002.patch, Screen Shot
> 2018-01-24 at 1.58.28 PM.png, Screen Shot 2018-01-24 at 1.58.33 PM.png,
> Screen Shot 2018-01-24 at 3.04.17 PM.png
>
>
> This jira proposes to add a pie chart in NN UI to show storage used by:
> * DFS Used (Tooltip : "Storage currently used for DFS.")
> * DFS available (Tooltip : "Storage available for DFS use.")
> * Non DFS Used (Tooltip : "Storage allocated for DFS but currently" +
> " used by Non DFS storage.")
> Tooltip will help users better understand what these terms mean.
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