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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.
After reading your post, it seems as if you are interested in something called Inter Process Communication (IPC). There are as many solutions to this as there are birds in the sky (not really, but almost). If you want _speed_, take a look at this benchmark comparison: https://github.com/goldsborough/ipc-bench.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.