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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.
ara could probably help from a reporting perspective but there is a performance overhead and it was designed for simplicity, not for running against 40 000 machines simultaneously :)
On a high level, here are the super basics that I think about when planning for huge networks, and for the inevitable performance testing you'll be doing. And of course, to actually figure out wtf is actually happening at such massive scales, my trusty ELK clusters have never failed me! But I genuinely commiserate with you about the pain and suffering that comes with sifting through millions of lines of logs to find...whatever you're looking for.
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