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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.
You need to fetch the data from those URLs in order to be able to display them. I'd consider something like curlpp, maybe? That's a C++ wrapper around libcurl.
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