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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.
It's open-source, comes with Docker and Helm v3 support (for orchestration). The guys at uNetworking did a great job for building such fast C applications, and even porting them to Node.js.
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