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docs/CaseStudies.md: actualize Wix numbers

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Aliaksandr Valialkin 2020-10-06 16:09:19 +03:00
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@ -73,13 +73,14 @@ See [Monitoring K8S with VictoriaMetrics](https://docs.google.com/presentation/d
Numbers:
* The number of active time series per VictoriaMetrics instance is 20M.
* The number of active time series per VictoriaMetrics instance is 40M.
* The total number of time series per VictoriaMetrics instance is 400M+.
* Ingestion rate per VictoriaMetrics instance is 800K data points per second.
* Ingestion rate per VictoriaMetrics instance is 1M data points per second.
* The total number of datapoints per VictoriaMetrics instance is 8 trillions.
* The average time series churn rate is ~3M per day.
* The average query rate is ~1K per minute (mostly alert queries).
* Query duration: median is ~70ms, 99th percentile is ~2sec.
* Retention: 6 months.
* The average query rate is ~100 per second (mostly alert queries).
* Query duration: median is ~70ms, 99th percentile is ~1.5sec.
* Retention: 3 months.
> Alternatives that we’ve played with before choosing VictoriaMetrics are: federated Prometheus, Cortex, IronDB and Thanos.
> Points that were critical to us when we were choosing a central tsdb, in order of importance: