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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.
Oh you can't get AmberELEC for the 503, You can get UnofficialOS which is also easy to use https://github.com/RetroGFX/UnofficialOS/releases/download/20230208/UnofficialOS-RG503.aarch64-20230208.img.gz
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