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Rubella heatmap library
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=======================
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Rubella is a library to generate heatmaps to monitor visualize measured values
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easier. Like the load of multiple CPU cores over time.
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Therefore every CPU core gets its own JSON array over the measured time. So the
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array gets it's own row in the headmap. The more the color itensity the higher
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is the load.
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(The values are in percent. So they must be beween 0 and 100.)
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During the time you can see, if an unusual behavior occurs, because the image
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shows a different load distribution.
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see also:
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http://dtrace.org/blogs/brendan/2011/12/18/visualizing-device-utilization/
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Usage
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-----
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Coming soon.
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