docs/CaseStudies.md: add a link to a post about VictoriaMetrics histograms in Zerodha case study

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Aliaksandr Valialkin 2020-05-23 12:44:32 +03:00
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@ -52,7 +52,7 @@ Thanos, Cortex and VictoriaMetrics were evaluated as a long-term storage for Pro
* Blazing fast benchmarks for a single node setup.
* Single binary mode. Easy to scale vertically, very less operational headache.
* Considerable improvements on creating Histograms.
* Considerable [improvements on creating Histograms](https://medium.com/@valyala/improving-histogram-usability-for-prometheus-and-grafana-bc7e5df0e350).
* [MetricsQL](https://github.com/VictoriaMetrics/VictoriaMetrics/wiki/MetricsQL) gives us the ability to extend PromQL with more aggregation operators.
* API is compatible with Prometheus, almost all standard PromQL queries just work out of the box.
* Handles storage well, with periodic compaction. Makes it easy to take snapshots.