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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.
I don't have any experience with running a server, but maybe AzerothCore could be an option? From what I can tell it is actively being worked on with the help of ChromieCraft.
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