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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'm not going to explain how this solution works to avoid spoilers, if you want an explanation and the "code" behind this, my solutions are on github along with explanations for each one.
NOTE:
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