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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.
It's open-source and the code for the clients, etc. can be found on Github. The architecture overview can be found here - https://github.com/ipfs/specs/blob/main/ARCHITECTURE.md
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