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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.
There is work being done on the RPi4, for example the SHA1 HMAC protecting the boot on the RPi4 had to be cracked (and was easily), I hear future versions have RSA signing support, so the proprietary firmware might become mandatory at some point.
https://github.com/librerpi/rpi-open-firmware/blob/master/do...
from 2018: Is this project dead? KB - No not dead but on hold, see my response · Issue #37
https://github.com/christinaa/rpi-open-firmware/issues/37
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