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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.
There exist a few libraries to work with graphs, most notably I think is NetworkX. Aside from this there are also several algorithms which are usually mentioned in this context eg. Dijkstra.
There is a very good github repo with implementations of various algorithms which might be useful.
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