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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.
If you are using the official software, you could try the open source version to see if that works. Or the other way around if you are using the open source version already. The biggest difference between the two is specifically how they control the volume.
NOTE:
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Hence, a higher number means a more popular project.