Prometheus, started by SoundCloud in 2012, is a CNCF-graduated open-source monitoring and alerting system that uses a Pull model with built-in PromQL - the de-facto monitoring standard for cloud-native and Kubernetes environments.
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1 results shownDesigning Prometheus Alert Rules: PromQL and Alertmanager Routing
Good alert rules first suppress noise, then notify precisely. Based on the official Prometheus docs, this article explains PromQL rule expressions and how to design Alertmanager grouping, routing, inhibition, and silences.