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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 haven’t tried it with the MySQL-connection, I use the in-memory version, but paratest (https://github.com/paratestphp/paratest) has never failed me. Not an answer to your question, but an answer to your problem I guess.
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