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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 guess that ActiveInteraction is what you're looking for: https://github.com/AaronLasseigne/active_interaction
I found that https://github.com/sunny/actor offers the simplest approach. It’s really nice. Has nice DSL methods and enforces some rules.
NOTE:
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