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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.
That's kind of the issue, I'm not aware of anything nice that does this in the open-source world. There is polaris-gslb, but it doesn't seem to be maintained any more. Most of the more common implementations I've seen have been slapped on the sides of load balancer products.
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