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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 use realtime() for a project of mine that uses a PID controller, without any issues. Timing with that is very critical, especially for things like managing the Integral & Derivative terms.
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