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https://issues.apache.org/jira/browse/HDFS-7483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14630115#comment-14630115
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Haohui Mai commented on HDFS-7483:
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bq. As I mentioned, there is no good way of displaying percentage using math
helper and fmt_percentage filter.
I haven't gotten the time to play around with it yet. If this is the case then
the right thing to do is to calculate the percentage in the JavaScript and use
the {{fmt_percentage}} helper in the template. Please see {{dfshealth.js}} for
more references.
> Display information per tier on the Namenode UI
> -----------------------------------------------
>
> Key: HDFS-7483
> URL: https://issues.apache.org/jira/browse/HDFS-7483
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Attachments: HDFS-7483-001.patch, HDFS-7483-002.patch, overview.png,
> storagetypes.png, storagetypes_withnostorage.png, withOneStorageType.png,
> withTwoStorageType.png
>
>
> If cluster has different types of storage, it is useful to display the
> storage information per type.
> The information will be available via JMX (HDFS-7390)
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