Hello Is there a way to highlight high or critical values in a time series? Take for instance this chart: [grafana1] Both Active (yellow, the current value) and Pool size (green, the max possible value) are taken from the underlying Prometheus data, because I’m repeating this chart for multiple…

PS. I’m not particular about lines, if highlighting critical values is easier to do with bars, for instance by stacking or replacing the whole bar, it would be just as good. Here is another mockup: [grafana3] (these were made in Gimp, I don’t know yet if this is possible in Grafana)

do something like this in the override section graph style → gradient mode = scheme standard options → color scheme = from treshold → define your value graph style → fill opacity = 0 [image] with your treshold value

[image] tobia: because I’m repeating this chart for multiple services and each may have a different max value. indicates to me that your max value, i.e. the threshold by which you wish to color the lines, will change. For that reason, I do not think it’s possible unless you go in and define …

I did it! [grafana_threshold] I simply decided what my dynamic threshold should be (in my case, 80% of Pool size) and I wrote a PromQL expression that returns the Active value only when it’s above the threshold; null (not zero) otherwise. My series now are: dbpool_size as Pool size dbpool_activ…

No, they are not static. Both the maximum value (20 above) and the threshold which is used to compute the red critical bars (in my case: 80% of 20 = 16) are taken straight from the data source and can be change instance by instance and from time to time. To reiterate, my data source has 2 source ve…

Got it. So just for those following along, the threshold you have created & displayed comes from your own query, which you called “Threshold”. The Threshold that Grafana offers (and which I showed in my screenshot) is static and cannot be tied to a query.

Hi, I’m struggling to get this type of threshold display as the threshold cannot be dynamic. I have a metric from which I’m reading the count of no of ports for a particular system. I want to put a threshold value which I can get from another query. How can I do that? Could anyone help me with the q…

Highlight high or critical values

Grafana Configuration

grant2 August 16, 2021, 9:36am 6

Awesome and well done!

Just to be clear, how are you defining the 20 in you graph? Like my screenshot below? If yes, then you’ll have to change it, right? That’s what I meant by dynamic not being available.

1 Like

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Highlight high or critical values

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