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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.
Look into WSUS Offline community edition. I use it all the time to update offline systems. https://gitlab.com/wsusoffline/wsusoffline/-/releases
NOTE:
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