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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.
There's no mention of IRAM_ATTR in https://github.com/espressif/ESP8266_NONOS_SDK, guess you'll have to add your own __attribute__((section(…))) definition ;)
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