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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.
I found this to be a much better approach for medium+ size projects, it seems a little overly complicated at first, but it's cleaner, more stable and it's testable.
Shameless plug: https://github.com/roanutil/CoreDataRepository
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