I have no problems getting my panels to work when I query for cloudwatch ECS data. They display properly. However, when I try to do any math expressions on them, it breaks and throws the Query Error seen in the pic attached. My queries work as long as I don’t include math expressions. This worked in…

[image] Total 5xx/4xx % calculation InfluxDB Use cloudwatch math expressions. Use search forum function and you will find topics about it, e. g. Disappointing First Experience with Grafana - can't do simple math? - #8 by jangaraj

@jangaraj Thank you for your response. However, I still fail to understand it. So, I can’t reference my fields with “$A” or “$B” because my fields are “A” and “B”, right? Then, how am I supposed to reference them? I tried renaming the fields with a dollar sign upfront, but that didn’t work. How do …

No, your $A*100/$B is Grafana expresion. But don’t use Grafana expression. Use CloudWatch math. CloudWatch math (math calculated by ClouddWatch) != Grafana expression (math, calculated by Grafana), be familiar with these terms: [image] How to populate CloudWatch metric with zeros? C…

This still means nothing to me and I don’t know how to apply this to my case. Why isn’t Grafana math working in 10.4 when it worked on version 8?

Got it. Check your (debug) logs and spend time to narrow why expressions are not working based on Grafana server logs/traces (of course read also release notes, breaking changes - blind guess: data format is a problem). IMHO it’s not worth it to debug why expressions are not working - just use Clou…

Math expressions broken in AWS Grafana 10.4?

Grafana

jangaraj September 30, 2024, 10:06am 2

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Math expressions broken in AWS Grafana 10.4?

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