Hello, I’m trying to generate an alert for a data source that has lots of variables and because of that I was forced to break it into multiple data sources in the alert For say of argument I have A,B,C I tried then AR = Reduce A on last BR = Reduce B on last CR = Reduce C on last Then J = …

Hello, I did upgrade to Grafana 9.2.x but that didn’t make a difference. Also, after reading the resampling documentation some more , I found the following bit: Resample changes the time stamps in each time series to have a consistent time interval. The main use case is so you can resample time …

Here too: prometheus - Grafana 8 - reduced alert on multiple queries - Stack Overflow

[image] Jose Nunez (GTS): But then I get no data for this last aggregation step. Why is this so? What is the message / output that is shown in Grafana when you preview the alert?

It says no data. José Vicente Nuñez

What is your data source? Can you post all of the queries and expressions used in your alert?

All the datasources are similar to this (I’m using the Zabbix plugin) [image] And they produce a proper time series. The I reduce each time series (Like A → REDUCEA): [image] And then I do math with all the reduced series (Because I do want to be able to extract the labels): [image] I trie…

Everything you showed and explained looks fine to me. Are you alerting off the correct expression? (MATHALL?) [image]

Apologies, missed that. Yep, looks like it is the case: [image]

Which version of Grafana are you using? I am using v9.2 OSS. I noticed my screenshot says “Set Alert Condition”, while yours says “Define Alert Condition” and you do not have a radio button like I do.

Mine is 8.5.4. Maybe is time to upgrade. José Vicente Nuñez

Alerting from multiple sources

Grafana Alerting

jnunez2 October 28, 2022, 7:42pm 2

Looks like this was asked already, not much luck: [Grafana 8] [Unified Alerting] Single alert on multiple queries using different data sources - #3 by whatsupbros

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Alerting from multiple sources

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