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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.
later on I met a guy who has the same idea and focus on building the web version (https://github.com/tuanchauict/MonoSketch), so I gave up on web :D
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