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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.
And even though Arch stability heavily depends on the user and package maintainers doing everything right (I'm looking at you TimeShift), openSUSE, being backed by a company, have way more resources and robust infrastructure for ensuring their system is stable than Arch does (I have said this a couple of times, SUSE's openQA is incredible).
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.