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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.
The closest thing I could find is a read-only FS called DwarFS (https://github.com/mhx/dwarfs) but I don't know if it's the same thing you were using.
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