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[Nicholas Leskiw <question204079@xxxxxxxxxxxxxxxxxxxxx>]

Question #204079 on Graphite changed:
https://answers.launchpad.net/graphite/+question/204079

    Status: Open => Answered

Nicholas Leskiw proposed the following answer:
You have more datapoints than horizontal pixels, so graphite is
averaging the y values. The master branch in github now has a function
to grab max or min values instead of averaging them.

See https://bugs.launchpad.net/graphite/+bug/886411 and Michael's
excellent explanation here:
https://answers.launchpad.net/graphite/+question/199322

-Nick

thomas chen <question204079@xxxxxxxxxxxxxxxxxxxxx> wrote:

>Question #204079 on Graphite changed:
>https://answers.launchpad.net/graphite/+question/204079
>
>Description changed to:
>I recently set up a StatsD + Graphite box. The shape of the graphs look
>correct, but the y-axis scale and minor increments on it look incorrect.
>For any increment() calls I make, the graph that I see in Graphite has a
>maximum value for the y-axis that is always one. I took the same graph
>and changed the range from 5 days to 5 hours and the y-axis stayed the
>same despite the max data point in the 5 hour window being much smaller
>than the max data point in the 5 day range.
>
>It seems like timing() calls work correctly and the y-axis is correct,
>but for my increment() calls the y-axis is off.
>
>I am using the node-statsd JS client for statsd (https://github.com/sivy
>/node-statsd).
>
>5day range: http://i46.tinypic.com/1428w2q.png
>5hour range: http://i46.tinypic.com/70zuib.png
>Notice: both scales are the same, but in the 5 day range you can clearly see the lines in the far right would not be 0.25 but something far less. When I go to the 5hour range the y-axis still says it's 0.25 in value.
>
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