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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.
It may or may not be easier to do it by writing a plugin for Profanity. It basically provides a python module with a bunch of functions. In fact, this might get it done: https://github.com/Neo-Oli/profanity-notifycmd
This should be easy enough with any simple scripting language; I prefer aioxmpp, but depending on your level of comfort with Python this may or may not be an option. They have some examples of using it and the echobot one might be close (you'd need to remove the sending part and possibly remove or replace all the flag/option parsing stuff, which is a bit confusing in an example).