GRAFANA Dashboard does not display Data

Grafana InfluxDB
1

Hello
please should be informed that telegraf how all data of measurements however in grafana does not show all data

image
image1109×256 19.5 KB

grafana
grafana1238×729 30.1 KB

can you help please

2

espechly these lines not displayed

Serial_Number=“3322659325”
,Systemname=“WorkCentre 5330 RDJ1”

3

What is shown if you hover over the red error icon?

4

I will check and back to you with an answer

5

hello here is the error displayed

grafana unsupported mean iterator type: *query.stringInterruptIterator

6

Try removing the GROUP BY time($__interval) fill(null) and see what happens.

Source: InfluxDB Error: unsupported mean iterator type: *query.booleanInterruptIterator - InfluxDB 1 - InfluxData Community Forums

7

Thanks you very much

8

systemname is string field and it doesn’t make sense to calculate mean value from the string.
Use some numeric field in mean agg function.

9

@secretgarden2

If the above fixed the issue, please mark it as Solution so others can find this in the future.