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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.
Your last approach is how I'd, and some other people do it, DPDK for example. So I'd say it's a pretty good approach, when it comes to readability, maintainability and extensibility. If you need another kind of do_something that takes a string, you can extend the private implementation and keep the signatures of the existing do_something's the same. Also, this way, your intentions are clear.
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