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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.
Even a full SSD should be nowhere as slow as an HDD, especially yours as it has DRAM cache. I'd check if TRIM is actually working, I like this little utility called TRIMcheck which you can download from here.
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