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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Turns out, the UDM-Pro supports dockers, which are containerized applications. So something like the multicast-relay docker would be a good solution for your Sonos gear.
Have a look at udm-utilities by boostchicken as a starting point. Lots of good stuff there. People are doing cool things!
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