Hi,
you could for example make a separate process/program which obtains the data from your different data sources and pre-processes the data obtained in the way you need and then feeds the result to grafana via websockets or http request as outlined here:
https://community.grafana.com/t/how-to-connect-streaming-data-source-to-websocket/54927/4
The grafana configuration is roughly described here:
https://grafana.com/tutorials/stream-metrics-from-telegraf-to-grafana/
in the section " Create dashboard with streaming data"
I made some trials and it works, but haven’t yet gone into fine tuning this method.
Have a great day,
Olivier
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