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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 code that describes the processor, the VHDL is also open source. You can get the some similar implementations for older ARM implementations but you may have to pay to use them commercially.
NOTE:
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