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From "Jiaqi Tan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-429) Refine the HDFS heatmap color map to look like rainbow color map
Date Fri, 11 Dec 2009 06:32:18 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12789139#action_12789139
] 

Jiaqi Tan commented on CHUKWA-429:
----------------------------------

It looks like there are only a fixed number of colours available, and the colours don't smoothly
move with the values--is that true? Would it be difficult to have rainbow colours with smoothly
scaled colours?

> Refine the HDFS heatmap color map to look like rainbow color map
> ----------------------------------------------------------------
>
>                 Key: CHUKWA-429
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-429
>             Project: Hadoop Chukwa
>          Issue Type: Improvement
>          Components: User Interface
>         Environment: Redhat EL 5.1, Java 6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>            Priority: Trivial
>         Attachments: CHUKWA-429.patch, Picture 2.png, Picture 4.png
>
>
> The current red shade of HDFS heatmap isn't very obvious to represent the intensity of
the state machine.  The color rainbow color heat map might be more suitable for visualization.

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