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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.
Here is a decent example of a competitive coding problem solved with java and go. Both about 80 lines (the solution should be like 5-10 lines, but I couldn't get it working).
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