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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 would argue that spikes are points in time and are NOT symbolic in nature. They can be expressed as symbols (timestamps) however. Here is more info: https://github.com/rand3289/PerceptionTime
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