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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.
As mentioned, look into better solutions. Personally I love laravel. Implement a package like this and you're all set: https://github.com/dacastro4/laravel-gmail
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