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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 use this one which has a PCI-E ethernet controller. With the performance tweaks described in this post, including interrupt coalescing on eth0, it has solid gigabit routing performance without spiking the CPU. No POE on this one, though, and no RTC.
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